diff --git a/packages/@jsonql/client/index.js b/packages/@jsonql/client/index.js
index 06189780a8f5a9dee80d5e90d86b1b5f50cc270f..a5f3c7e45fcff62cb25c6bb38e81a0af3951de7b 100644
--- a/packages/@jsonql/client/index.js
+++ b/packages/@jsonql/client/index.js
@@ -1,2 +1,2 @@
 // this is the default export entry point
-import jsonqlClient from 'jsonql-client/module'
+import { jsonqlClient } from 'jsonql-client/module'
diff --git a/packages/@jsonql/client/io.js b/packages/@jsonql/client/io.js
new file mode 100644
index 0000000000000000000000000000000000000000..7616eff7a72616df379b1938d473c8974fd46d29
--- /dev/null
+++ b/packages/@jsonql/client/io.js
@@ -0,0 +1,3 @@
+// when you want to use the jsonql with socket.io
+// then import this one with
+// import jsonqlClient from '@jsonql/client/io'
diff --git a/packages/@jsonql/client/package.json b/packages/@jsonql/client/package.json
index e6fa570ad552b8732502d7e279e508984a3cb098..f21a8c4a1427f60fc76cdd1f96c73315541e28df 100644
--- a/packages/@jsonql/client/package.json
+++ b/packages/@jsonql/client/package.json
@@ -49,24 +49,25 @@
   },
   "license": "MIT",
   "dependencies": {
-    "jsonql-client": "^1.4.0"
+    "jsonql-client": "^1.4.2"
   },
   "optionalDependencies": {
     "jsonql-ws-client": "^1.3.3"
   },
   "devDependencies": {
+    "@jsonql/koa": "^0.7.0",
     "ava": "^2.4.0",
-    "browser-env": "^3.2.6",
+    "browser-env": "^3.3.0",
     "debug": "^4.1.1",
     "esm": "^3.2.25",
-    "glob": "^7.1.4",
+    "glob": "^7.1.6",
     "koa-favicon": "^2.0.1",
     "nyc": "^14.1.1",
     "promise-polyfill": "8.1.3",
-    "qunit": "^2.9.2",
-    "rollup": "^1.21.4",
-    "rollup-plugin-alias": "^2.0.0",
-    "rollup-plugin-analyzer": "^3.2.1",
+    "qunit": "^2.9.3",
+    "rollup": "^1.27.5",
+    "rollup-plugin-alias": "^2.2.0",
+    "rollup-plugin-analyzer": "^3.2.2",
     "rollup-plugin-async": "^1.2.0",
     "rollup-plugin-buble": "^0.19.8",
     "rollup-plugin-bundle-size": "^1.0.3",
diff --git a/packages/@jsonql/client/ws.js b/packages/@jsonql/client/ws.js
new file mode 100644
index 0000000000000000000000000000000000000000..b4857b75ba343ad2d9024264026878f4ff3fd50c
--- /dev/null
+++ b/packages/@jsonql/client/ws.js
@@ -0,0 +1,2 @@
+// this is the jsonql client with ws
+// use like import jsonqlClient from '@jsonql/client/ws'
diff --git a/packages/@jsonql/koa/cli.js b/packages/@jsonql/koa/cli.js
index fe5dd97b21ceae8b8e95f64182288b8c448abdd6..958d28723f50e905a7e9147a7cf63fed1b7cc98b 100644
--- a/packages/@jsonql/koa/cli.js
+++ b/packages/@jsonql/koa/cli.js
@@ -9,10 +9,11 @@ const { join, extname } = require('path')
 const fsx = require('fs-extra')
 const debug = require('debug')('jsonql-koa:cli')
 const argv = require('yargs').argv
+const args = argv._
 let config = {}
 
-if (argv._.length) {
-  const configFile = argv._[0]
+if (args.length) {
+  const configFile = args[0]
   if (fsx.existsSync(configFile)) {
     // if it's json
     const ext = extname(configFile).toLowerCase()
@@ -29,7 +30,10 @@ if (argv._.length) {
   } else {
     console.error(`config file can not be found in: ${configFile}`)
   }
+} else {
+  console.info(`Using default option to start server`)
 }
+// @TODO we should look at the config files to see if there is two parts as well
 
 jsonqlKoaServer(config)
 
diff --git a/packages/@jsonql/koa/index.js b/packages/@jsonql/koa/index.js
index 5e0336483fde3cf7dc290918c4761102be13ce6e..4232e92081e59b0eea03e809a71ba42240e803aa 100644
--- a/packages/@jsonql/koa/index.js
+++ b/packages/@jsonql/koa/index.js
@@ -1,44 +1,10 @@
 // main
-const debug = require('debug')('jsonql-koa:main')
-const checkOptions = require('./src/options')
-const { initServer } = require('./src/init-server')
-const { version } = require('./package.json')
-
+const JsonqlKoaServer = require('./src/jsonql-koa-server')
 /**
- * We need to create this as a class to protect the property
- * @param {object} config options
- * @return {object} with several method to control the server
+ * @param {object} [config={}]
+ * @param {array} [middlewares=[]]
+ * @public
  */
-class JsonqlKoaServer {
-
-  constructor(config = {}, middlewares = []) {
-    // keep a copy of the original config - do we need this anymore?
-    // const originalConfig = Object.assign({}, config)
-    this.opts = checkOptions(config)
-    const { server, app, ws } = initServer(this.opts, middlewares)
-    this.server = server;
-    this.app = app;
-    this.ws = ws;
-    this.started = false;
-    if (this.opts.autoStart && this.opts.port) {
-      this.start()
-    }
-  }
-
-  // start the server
-  start(port) {
-    if (!this.started) {
-      console.info(`Server version: ${version} start on ${port || this.opts.port}`)
-      this.server.listen(port || this.opts.port)
-      this.started = true;
-    }
-  }
-
-  // stop the server
-  stop() {
-    this.server.close()
-  }
+module.exports = function createJsonqlKoaServer(config = {}, middlewares = []) {
+  return new JsonqlKoaServer(config, middlewares)
 }
-
-// default export
-module.exports = JsonqlKoaServer
diff --git a/packages/@jsonql/koa/package.json b/packages/@jsonql/koa/package.json
index e32cf583a0676669baac53f6df4951293934794f..670bb1808fb3642315bea6a448ce163f946463b5 100644
--- a/packages/@jsonql/koa/package.json
+++ b/packages/@jsonql/koa/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@jsonql/koa",
-  "version": "0.5.2",
+  "version": "0.7.0",
   "description": "This is the all in one package to start your jsonql project with Koa, jsonql-koa, jsonql-ws-server and more",
   "main": "index.js",
   "files": [
@@ -10,10 +10,12 @@
   ],
   "scripts": {
     "test": "ava --verbose",
+    "prepare": "npm run test",
     "test:basic": "DEBUG=jsonql-koa* ava --verbose ./tests/basic.test.js",
     "test:auth": "DEBUG=jsonql-* ava --verbose ./tests/auth.test.js",
     "test:socket": "DEBUG=jsonql-koa:test:socket ava --verbose ./tests/socket.test.js",
     "test:ms": "DEBUG=jsonql-koa:test* ava --verbose ./tests/ms.test.js",
+    "test:msm": "DEBUG=jsonql-koa:test* ava --verbose ./tests/ms-multi.test.js",
     "test:cli": "DEBUG=jsonql-koa* node ./cli.js"
   },
   "keywords": [
@@ -57,10 +59,10 @@
   "dependencies": {
     "debug": "^4.1.1",
     "fs-extra": "^8.1.0",
-    "jsonql-constants": "^1.8.11",
-    "jsonql-koa": "^1.4.18",
+    "jsonql-constants": "^1.8.12",
+    "jsonql-koa": "^1.4.19",
     "jsonql-params-validator": "^1.4.11",
-    "jsonql-utils": "^0.8.5",
+    "jsonql-utils": "^0.8.8",
     "koa": "^2.11.0",
     "koa-bodyparser": "^4.2.1",
     "koa-cors": "0.0.16",
diff --git a/packages/@jsonql/koa/src/jsonql-koa-server.js b/packages/@jsonql/koa/src/jsonql-koa-server.js
new file mode 100644
index 0000000000000000000000000000000000000000..4b3423734ea9d366fcf89bb10e5747f1afd9e034
--- /dev/null
+++ b/packages/@jsonql/koa/src/jsonql-koa-server.js
@@ -0,0 +1,44 @@
+// main
+const debug = require('debug')('jsonql-koa:jsonql-koa-server')
+const checkOptions = require('./options')
+const { initServer } = require('./init-server')
+const { version } = require('../package.json')
+
+/**
+ * We need to create this as a class to protect the property
+ * @param {object} config options
+ * @return {object} with several method to control the server
+ */
+class JsonqlKoaServer {
+
+  constructor(config = {}, middlewares = []) {
+    // keep a copy of the original config - do we need this anymore?
+    // const originalConfig = Object.assign({}, config)
+    this.opts = checkOptions(config)
+    const { server, app, ws } = initServer(this.opts, middlewares)
+    this.server = server;
+    this.app = app;
+    this.ws = ws;
+    this.started = false;
+    if (this.opts.autoStart && this.opts.port) {
+      this.start()
+    }
+  }
+
+  // start the server
+  start(port) {
+    if (!this.started) {
+      console.info(`Server version: ${version} start on ${port || this.opts.port}`)
+      this.server.listen(port || this.opts.port)
+      this.started = true;
+    }
+  }
+
+  // stop the server
+  stop() {
+    this.server.close()
+  }
+}
+
+// default export
+module.exports = JsonqlKoaServer
diff --git a/packages/@jsonql/koa/tests/fixtures/ms-test-servers.js b/packages/@jsonql/koa/tests/fixtures/ms-test-servers.js
index 2b90b652784623645877c5d52bdcba74c45c1d67..c77ed258c54090d23618c50ee647a6350051b537 100644
--- a/packages/@jsonql/koa/tests/fixtures/ms-test-servers.js
+++ b/packages/@jsonql/koa/tests/fixtures/ms-test-servers.js
@@ -1,5 +1,5 @@
 // server for the ms test only
-const JsonqlKoaServer = require('../../index')
+const jsonqlKoaServer = require('../../index')
 const { join } = require('path')
 const {
   resolverDir,
@@ -10,29 +10,39 @@ const {
   SOCKET_DIR,
   MS_A_DIR,
   MS_B_DIR,
+  MS_C_DIR,
   PORT_A,
-  PORT_B
+  PORT_B,
+  PORT_C
 } = require('./options')
 
-module.exports = function createMsTestServer(name) {
+module.exports = function createMsTestServer(name, extraClientConfig = false) {
   let opts = { serverType: 'ws' }
-  if (name === 'A') { // use all the default options here
+  if (name === 'A' || name === 'A1') { // use all the default options here
     let cbd = join(contractBaseDir, MS_A_DIR)
     opts.resolverDir = resolverDir
     opts.contractDir = cbd
-    opts.port = PORT_A
+    opts.port = name === 'A1' ? PORT_A + 5 : PORT_A
     opts.name = 'serverA'
     opts.clientConfig = [{
-      hostname: `http://localhost:${PORT_B}`,
+      hostname: `http://localhost:${ name === 'A1' ? PORT_B + 5 : PORT_B }`,
       name: 'client0',
       serverType: 'ws',
       contractDir: join(cbd, 'client0')
     }]
+    if (extraClientConfig) {
+      opts.clientConfig.push(extraClientConfig)
+    }
+  } else if (name === 'C') {
+    opts.resolverDir = join(__dirname, 'resolvers-ext')
+    opts.contractDir = join(contractBaseDir, MS_C_DIR)
+    opts.port = PORT_C
+    opts.name = 'serverC'
   } else {
     opts.resolverDir = join(__dirname, 'resolvers-ext')
     opts.contractDir = join(contractBaseDir, MS_B_DIR)
-    opts.port = PORT_B
+    opts.port = name === 'B1' ? PORT_B + 5 : PORT_B
     opts.name = 'serverB'
   }
-  return new JsonqlKoaServer(opts)
+  return jsonqlKoaServer(opts)
 }
diff --git a/packages/@jsonql/koa/tests/fixtures/options.js b/packages/@jsonql/koa/tests/fixtures/options.js
index f34f293e1e3ca76343ca93986ec9b0f501eb0f01..9375bff0cf16f8c47738fa70ddaf2a5d775a4e64 100644
--- a/packages/@jsonql/koa/tests/fixtures/options.js
+++ b/packages/@jsonql/koa/tests/fixtures/options.js
@@ -8,8 +8,10 @@ const SOCKET_DIR = 'socket'
 const MAIN_DIR = 'main'
 const MS_A_DIR = 'ms-a'
 const MS_B_DIR = 'ms-b'
+const MS_C_DIR = 'ms-c'
 const PORT_A = 8084
 const PORT_B = 8085
+const PORT_C = 8086
 
 
 module.exports = {
@@ -21,7 +23,9 @@ module.exports = {
   SOCKET_DIR,
   MS_A_DIR,
   MS_B_DIR,
+  MS_C_DIR,
   PORT_A,
   PORT_B,
+  PORT_C,
   MAIN_DIR
 }
diff --git a/packages/@jsonql/koa/tests/fixtures/resolvers-ext/mutation/save-something.js b/packages/@jsonql/koa/tests/fixtures/resolvers-ext/mutation/save-something.js
new file mode 100644
index 0000000000000000000000000000000000000000..77ffff3337f280045c281507da03d5801d489935
--- /dev/null
+++ b/packages/@jsonql/koa/tests/fixtures/resolvers-ext/mutation/save-something.js
@@ -0,0 +1,14 @@
+/**
+ * this is for a remote C server to call
+ * @param {object} payload
+ * @param {number} condition
+ * @return {object} result
+ */
+module.exports = function saveSomething(payload, condition) {
+  // just pack it up and return it
+  return {
+    payload,
+    ctn: condition,
+    timestamp: [Date.now()]
+  }
+}
diff --git a/packages/@jsonql/koa/tests/fixtures/resolvers/mutation/save-remote.js b/packages/@jsonql/koa/tests/fixtures/resolvers/mutation/save-remote.js
new file mode 100644
index 0000000000000000000000000000000000000000..7139b4b422ff85efcd67867af3d4380d5b6a2cfa
--- /dev/null
+++ b/packages/@jsonql/koa/tests/fixtures/resolvers/mutation/save-remote.js
@@ -0,0 +1,21 @@
+const debug = require('debug')('jsonql-koa:tests:mutation:save-remote')
+/**
+ * This will call the remote ms to save the result then modified it
+ * @param {object} payload something to save
+ * @param {number} condition
+ * @return {object} with array of timestamp
+ */
+module.exports = async function saveRemote(payload, condition) {
+
+  // @NOTE without the await and see if it works, and it should?
+  const client = saveRemote.client('client2c')
+
+  const result = await client.mutation.saveSomething(payload, condition)
+
+  if (result.timestamp && Array.isArray(result.timestamp)) {
+    result.timestamp.push(Date.now())
+    return result;
+  }
+  debug(result)
+  throw new Error(`The result is not expected!`)
+}
diff --git a/packages/@jsonql/koa/tests/fixtures/resolvers/query/get-something.js b/packages/@jsonql/koa/tests/fixtures/resolvers/query/get-something.js
index 0529c38c847c62ee7103ff63348e5a89601c522d..de54360422687508bcacac10fe1610f58129fe01 100644
--- a/packages/@jsonql/koa/tests/fixtures/resolvers/query/get-something.js
+++ b/packages/@jsonql/koa/tests/fixtures/resolvers/query/get-something.js
@@ -1,10 +1,14 @@
-
+// const debug = require('debug')('jsonql-koa:test:get-something')
 /**
  * just a pass over method to get something from server b
  * @return {object} an object contains two different time stamps
  */
 module.exports = async function getSomething() {
-  const client = await getSomething.client()
+  const client = getSomething.client('client0')
+  // @NOTE when there are more than one client
+  // we must pass the name prop otherwise it return false
+  // debug(client)
+
   // just pass it straight through
   const msg = await client.query.sendingOutSomething()
   return `${msg} via getSomething()`
diff --git a/packages/@jsonql/koa/tests/fixtures/test-server.js b/packages/@jsonql/koa/tests/fixtures/test-server.js
index dddd5c477706bcaaad00c4253aba9c625e73cb5c..cb536f59f1d69322be7c39486840db163f797195 100644
--- a/packages/@jsonql/koa/tests/fixtures/test-server.js
+++ b/packages/@jsonql/koa/tests/fixtures/test-server.js
@@ -1,5 +1,5 @@
 // create server for testing
-const JsonqlKoaServer = require('../../index')
+const jsonqlKoaServer = require('../../index')
 const { join } = require('path')
 const {
   resolverDir,
@@ -29,5 +29,5 @@ module.exports = function testServer(config = {}) {
     contractDir,
     keysDir
   }
-  return new JsonqlKoaServer(Object.assign(baseConfig, config))
+  return jsonqlKoaServer(Object.assign(baseConfig, config))
 }
diff --git a/packages/@jsonql/koa/tests/ms-multi.test.js b/packages/@jsonql/koa/tests/ms-multi.test.js
new file mode 100644
index 0000000000000000000000000000000000000000..739d855f7b4cb5236a61cfefc6f77fd97354b3cb
--- /dev/null
+++ b/packages/@jsonql/koa/tests/ms-multi.test.js
@@ -0,0 +1,75 @@
+// multiple clients to multiple server test
+const test = require('ava')
+const fsx = require('fs-extra')
+const { join } = require('path')
+const jsonqlNodeClient = require('jsonql-node-client')
+const debug = require('debug')('jsonql-koa:test:msm')
+const { JS_WS_NAME, HELLO } = require('jsonql-constants')
+
+const { contractBaseDir, MS_A_DIR, MS_B_DIR, MS_C_DIR, PORT_A, PORT_B, PORT_C } = require('./fixtures/options')
+const contractDirA = join(contractBaseDir, MS_A_DIR)
+const contractDirB = join(contractBaseDir, MS_B_DIR)
+const contractDirC = join(contractBaseDir, MS_C_DIR)
+
+const createMsTestServer = require('./fixtures/ms-test-servers')
+const clientConfig = {
+  hostname: `http://localhost:${PORT_C}`,
+  name: 'client2c',
+  contractDir: join(contractBaseDir, 'client2c')
+}
+
+const getClient = async (name = 'A') => (
+  await jsonqlNodeClient(
+    name === 'A' ? {
+      hostname: `http://localhost:${PORT_A + 5}`,
+      contractDir: join(contractBaseDir, 'client1'),
+      serverType: 'ws'
+    } : clientConfig
+  )
+)
+
+test.before(t => {
+
+  t.context.serverA = createMsTestServer('A1', clientConfig)
+  t.context.serverB = createMsTestServer('B1')
+  t.context.serverC = createMsTestServer('C')
+})
+
+test.after(t => {
+
+  t.context.serverA.stop()
+  t.context.serverB.stop()
+  t.context.serverC.stop()
+
+  fsx.removeSync(join(contractBaseDir, 'client2c'))
+
+})
+
+test(`It should able to connect to service C directly`, async t => {
+  const client = await getClient('C')
+
+  const res = await client.query.helloWorld()
+
+  t.is(res, HELLO)
+})
+
+test(`It should able to connect to another service via the internal nodeClient using query`, async t => {
+  const client1 = await getClient()
+
+  const msg = await client1.query.getSomething()
+
+  debug(msg)
+
+  t.truthy(msg)
+})
+
+
+test(`It should able to connect to another service via the internal nodeClient using mutation`, async t => {
+  const client1 = await getClient()
+  const payload = { name: 'John Doe' }
+  const result = await client1.mutation.saveRemote(payload, 1)
+
+  debug(result)
+
+  t.true(Array.isArray(result.timestamp))
+})
diff --git a/packages/@jsonql/koa/tests/ms.test.js b/packages/@jsonql/koa/tests/ms.test.js
index 8e4f0add73f453a500c9d7e49d0e1b123bfd6e46..faf759d0c1abe0281ebfcc7bfe7f8c9e96fe86fb 100644
--- a/packages/@jsonql/koa/tests/ms.test.js
+++ b/packages/@jsonql/koa/tests/ms.test.js
@@ -30,9 +30,8 @@ test.after(t => {
   t.context.serverA.stop()
   t.context.serverB.stop()
 
-  fsx.removeSync(contractDirA)
-  fsx.removeSync(contractDirB)
-
+  // fsx.removeSync(contractDirA)
+  // fsx.removeSync(contractDirB)
   // fsx.removeSync(join(contractBaseDir, 'client1'))
   // fsx.removeSync(join(contractBaseDir, 'client2'))
 })
diff --git a/packages/http-client/core.js b/packages/http-client/core.js
index 70523e2b30892a7ac934c36d9c2dec5c9c31ac57..1ff3d7442700cbccd50d1a6953fff7cbad72fb64 100644
--- a/packages/http-client/core.js
+++ b/packages/http-client/core.js
@@ -1,2 +1,2 @@
-!function(t,e){"object"==typeof exports&&"undefined"!=typeof module?module.exports=e():"function"==typeof define&&define.amd?define(e):(t=t||self).jsonqlClient=e()}(this,(function(){"use strict";var t="application/vnd.api+json",e={Accept:t,"Content-Type":[t,"charset=utf-8"].join(";")},r=["POST","PUT"],n="type",o="optional",i="enumv",a="args",u="checker",c="alias",s={desc:"y"},f="No message";var l="undefined"!=typeof global?global:"undefined"!=typeof self?self:"undefined"!=typeof window?window:{},p="object"==typeof l&&l&&l.Object===Object&&l,h="object"==typeof self&&self&&self.Object===Object&&self,d=p||h||Function("return this")(),v=d.Symbol;function g(t,e){for(var r=-1,n=null==t?0:t.length,o=Array(n);++r<n;)o[r]=e(t[r],r,t);return o}var y=Array.isArray,b=Object.prototype,m=b.hasOwnProperty,_=b.toString,w=v?v.toStringTag:void 0;var j=Object.prototype.toString;var O="[object Null]",S="[object Undefined]",A=v?v.toStringTag:void 0;function E(t){return null==t?void 0===t?S:O:A&&A in Object(t)?function(t){var e=m.call(t,w),r=t[w];try{t[w]=void 0;var n=!0}catch(t){}var o=_.call(t);return n&&(e?t[w]=r:delete t[w]),o}(t):function(t){return j.call(t)}(t)}function k(t){return null!=t&&"object"==typeof t}var T="[object Symbol]";function x(t){return"symbol"==typeof t||k(t)&&E(t)==T}var P=1/0,q=v?v.prototype:void 0,C=q?q.toString:void 0;function $(t){if("string"==typeof t)return t;if(y(t))return g(t,$)+"";if(x(t))return C?C.call(t):"";var e=t+"";return"0"==e&&1/t==-P?"-0":e}function z(t,e,r){var n=t.length;return r=void 0===r?n:r,!e&&r>=n?t:function(t,e,r){var n=-1,o=t.length;e<0&&(e=-e>o?0:o+e),(r=r>o?o:r)<0&&(r+=o),o=e>r?0:r-e>>>0,e>>>=0;for(var i=Array(o);++n<o;)i[n]=t[n+e];return i}(t,e,r)}function N(t){return t!=t}function F(t,e,r){return e==e?function(t,e,r){for(var n=r-1,o=t.length;++n<o;)if(t[n]===e)return n;return-1}(t,e,r):function(t,e,r,n){for(var o=t.length,i=r+(n?1:-1);n?i--:++i<o;)if(e(t[i],i,t))return i;return-1}(t,N,r)}var 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diff --git a/packages/http-client/core.js.map b/packages/http-client/core.js.map
index 4f37a6a55ec1d341290fbbf6a6f72cfec1242adb..b15c3a5b150359212acba0d15401f455cf226cd3 100644
--- a/packages/http-client/core.js.map
+++ b/packages/http-client/core.js.map
@@ -1 +1 @@
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\ No newline at end of file
+{"version":3,"file":"core.js","sources":["node_modules/store/plugins/defaults.js","node_modules/store/plugins/expire.js"],"sourcesContent":["module.exports = defaultsPlugin\n\nfunction defaultsPlugin() {\n\tvar defaultValues = {}\n\t\n\treturn {\n\t\tdefaults: defaults,\n\t\tget: get\n\t}\n\t\n\tfunction defaults(_, values) {\n\t\tdefaultValues = values\n\t}\n\t\n\tfunction get(super_fn, key) {\n\t\tvar val = super_fn()\n\t\treturn (val !== undefined ? val : defaultValues[key])\n\t}\n}\n","var namespace = 'expire_mixin'\n\nmodule.exports = expirePlugin\n\nfunction expirePlugin() {\n\tvar expirations = this.createStore(this.storage, null, this._namespacePrefix+namespace)\n\t\n\treturn {\n\t\tset: expire_set,\n\t\tget: expire_get,\n\t\tremove: expire_remove,\n\t\tgetExpiration: getExpiration,\n\t\tremoveExpiredKeys: removeExpiredKeys\n\t}\n\t\n\tfunction expire_set(super_fn, key, val, expiration) {\n\t\tif (!this.hasNamespace(namespace)) {\n\t\t\texpirations.set(key, expiration)\n\t\t}\n\t\treturn super_fn()\n\t}\n\t\n\tfunction expire_get(super_fn, key) {\n\t\tif (!this.hasNamespace(namespace)) {\n\t\t\t_checkExpiration.call(this, key)\n\t\t}\n\t\treturn super_fn()\n\t}\n\t\n\tfunction expire_remove(super_fn, key) {\n\t\tif (!this.hasNamespace(namespace)) {\n\t\t\texpirations.remove(key)\n\t\t}\n\t\treturn super_fn()\n\t}\n\t\n\tfunction getExpiration(_, key) {\n\t\treturn expirations.get(key)\n\t}\n\t\n\tfunction removeExpiredKeys(_) {\n\t\tvar keys = []\n\t\tthis.each(function(val, key) {\n\t\t\tkeys.push(key)\n\t\t})\n\t\tfor (var i=0; i<keys.length; i++) {\n\t\t\t_checkExpiration.call(this, keys[i])\n\t\t}\n\t}\n\t\n\tfunction _checkExpiration(key) {\n\t\tvar expiration = expirations.get(key, Number.MAX_VALUE)\n\t\tif (expiration <= new Date().getTime()) {\n\t\t\tthis.raw.remove(key)\n\t\t\texpirations.remove(key)\n\t\t}\n\t}\n\t\n}\n"],"names":[],"mappings":"ujrCAAA,sHCAA"}
\ No newline at end of file
diff --git a/packages/http-client/dist/jsonql-client.static.js b/packages/http-client/dist/jsonql-client.static.js
index 05ab8e80e96418b41f36b5f732a1d3acbcff2ca1..e8f747a32b1c1e2d119a57e4e4a30ebc22f3862f 100644
--- a/packages/http-client/dist/jsonql-client.static.js
+++ b/packages/http-client/dist/jsonql-client.static.js
@@ -1,2 +1,9885 @@
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Exit now."),!1;for(var u=Array.from(i.get(t)),c=u.length,s=!1,f=0;f<c;++f){++o;var l=u[f],p=(l[0],l[1]),h=l[2],d=l[3];this.logger("($trigger)","call run for "+t),this.run(p,e,r||h),"once"!==d&&"onlyOnce"!==d||(s=!0)}return s&&i.delete(t),o}return this.addToLazyStore(t,e,r,n),o},e.prototype.$call=function(t,e,r,n){void 0===r&&(r=!1),void 0===n&&(n=null);var o=[t,e,n,r];return Reflect.apply(this.$trigger,this,o)},e.prototype.$off=function(t){var e=this;this.validateEvt(t);var r=[this.lazyStore,this.normalStore],n=!1;return r.forEach((function(r){r.has(t)&&(n=!0,e.logger("($off)",t),r.delete(t))})),n},e.prototype.$get=function(t,e){void 0===e&&(e=!1),this.validateEvt(t);var r=this.normalStore;return!!r.has(t)&&Array.from(r.get(t)).map((function(t){if(e)return t;t[0];return t[1]}))},r.$done.set=function(t){this.logger("($done)","value: ",t),this.keep?this.result.push(t):this.result=t},r.$done.get=function(){return this.keep?(this.logger("(get $done)",this.result),this.result[this.result.length-1]):this.result},Object.defineProperties(e.prototype,r),e}(function(t){function e(e){void 0===e&&(e={}),t.call(this),e.logger&&"function"==typeof e.logger&&(this.logger=e.logger),this.keep=e.keep,this.result=e.keep?[]:null,this.normalStore=new Map,this.lazyStore=new Map}t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e;var r={normalStore:{configurable:!0},lazyStore:{configurable:!0}};return e.prototype.validateEvt=function(){for(var t=this,e=[],r=arguments.length;r--;)e[r]=arguments[r];return e.forEach((function(e){if("string"!=typeof e)throw t.logger("(validateEvt)",e),new Error("event name must be string type!")})),!0},e.prototype.validate=function(t,e){if(this.validateEvt(t)&&"function"==typeof e)return!0;throw new Error("callback required to be function type!")},e.prototype.validateType=function(t){return!!["on","only","once","onlyOnce"].filter((function(e){return t===e})).length},e.prototype.run=function(t,e,r){this.logger("(run)",t,e,r),this.$done=Reflect.apply(t,r,this.toArray(e))},e.prototype.takeFromStore=function(t,e){void 0===e&&(e="lazyStore");var r=this[e];if(r){if(this.logger("(takeFromStore)",e,r),r.has(t)){var n=r.get(t);return this.logger("(takeFromStore)","has "+t,n),r.delete(t),n}return!1}throw new Error(e+" is not supported!")},e.prototype.addToStore=function(t,e){for(var r,n=[],o=arguments.length-2;o-- >0;)n[o]=arguments[o+2];if(t.has(e)?(this.logger("(addToStore)",e+" existed"),r=t.get(e)):(this.logger("(addToStore)","create new Set for "+e),r=new Set),n.length>2)if(Array.isArray(n[0])){var i=n[2];this.checkTypeInLazyStore(e,i)||r.add(n)}else this.checkContentExist(n,r)||(this.logger("(addToStore)","insert new",n),r.add(n));else r.add(n);return t.set(e,r),[t,r.size]},e.prototype.checkContentExist=function(t,e){return!!Array.from(e).filter((function(e){return e[0]===t[0]})).length},e.prototype.checkTypeInStore=function(t,e){this.validateEvt(t,e);var r=this.$get(t,!0);return!1===r||!r.filter((function(t){var r=t[3];return e!==r})).length},e.prototype.checkTypeInLazyStore=function(t,e){this.validateEvt(t,e);var r=this.lazyStore.get(t);return this.logger("(checkTypeInLazyStore)",r),!!r&&!!Array.from(r).filter((function(t){return t[2]!==e})).length},e.prototype.addToNormalStore=function(t,e,r,n){if(void 0===n&&(n=null),this.logger("(addToNormalStore)",t,e,"try to add to normal store"),this.checkTypeInStore(t,e)){this.logger("(addToNormalStore)",e+" can add to "+t+" normal store");var o=this.hashFnToKey(r),i=[this.normalStore,t,o,r,n,e],a=Reflect.apply(this.addToStore,this,i),u=a[0],c=a[1];return this.normalStore=u,c}return!1},e.prototype.addToLazyStore=function(t,e,r,n){void 0===e&&(e=[]),void 0===r&&(r=null),void 0===n&&(n=!1);var o=[this.lazyStore,t,this.toArray(e),r];n&&o.push(n);var i=Reflect.apply(this.addToStore,this,o),a=i[0],u=i[1];return this.lazyStore=a,u},e.prototype.toArray=function(t){return Array.isArray(t)?t:[t]},r.normalStore.set=function(t){uu.set(this,t)},r.normalStore.get=function(){return uu.get(this)},r.lazyStore.set=function(t){cu.set(this,t)},r.lazyStore.get=function(){return cu.get(this)},e.prototype.hashFnToKey=function(t){return t.toString().split("").reduce((function(t,e){return(t=(t<<5)-t+e.charCodeAt(0))&t}),0)+""},Object.defineProperties(e.prototype,r),e}(su));function pu(t,e){void 0===e&&(e={});var r,n=e.contract,o=function(t){return Mo(t,au,iu)}(e),i=new ou(o,t),a=Ni(i,n),u=(r=o.debugOn,new lu({logger:r?function(){for(var t=[],e=arguments.length;e--;)t[e]=arguments[e];t.unshift("[NBS]"),console.log.apply(null,t)}:void 0})),c=Ii(i,o,a,u);return c.eventEmitter=u,c}return function(t){return void 0===t&&(t={}),pu(o,t)}}));
+(function (global, factory) {
+	typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
+	typeof define === 'function' && define.amd ? define(factory) :
+	(global = global || self, global.jsonqlClientStatic = factory());
+}(this, (function () { 'use strict';
+
+	var commonjsGlobal = typeof globalThis !== 'undefined' ? globalThis : typeof window !== 'undefined' ? window : typeof global !== 'undefined' ? global : typeof self !== 'undefined' ? self : {};
+
+	function unwrapExports (x) {
+		return x && x.__esModule && Object.prototype.hasOwnProperty.call(x, 'default') ? x['default'] : x;
+	}
+
+	function createCommonjsModule(fn, module) {
+		return module = { exports: {} }, fn(module, module.exports), module.exports;
+	}
+
+	var fly = createCommonjsModule(function (module, exports) {
+	(function webpackUniversalModuleDefinition(root, factory) {
+		{ module.exports = factory(); }
+	})(commonjsGlobal, function() {
+	return /******/ (function(modules) { // webpackBootstrap
+	/******/ 	// The module cache
+	/******/ 	var installedModules = {};
+	/******/
+	/******/ 	// The require function
+	/******/ 	function __webpack_require__(moduleId) {
+	/******/
+	/******/ 		// Check if module is in cache
+	/******/ 		if(installedModules[moduleId]) {
+	/******/ 			return installedModules[moduleId].exports;
+	/******/ 		}
+	/******/ 		// Create a new module (and put it into the cache)
+	/******/ 		var module = installedModules[moduleId] = {
+	/******/ 			i: moduleId,
+	/******/ 			l: false,
+	/******/ 			exports: {}
+	/******/ 		};
+	/******/
+	/******/ 		// Execute the module function
+	/******/ 		modules[moduleId].call(module.exports, module, module.exports, __webpack_require__);
+	/******/
+	/******/ 		// Flag the module as loaded
+	/******/ 		module.l = true;
+	/******/
+	/******/ 		// Return the exports of the module
+	/******/ 		return module.exports;
+	/******/ 	}
+	/******/
+	/******/
+	/******/ 	// expose the modules object (__webpack_modules__)
+	/******/ 	__webpack_require__.m = modules;
+	/******/
+	/******/ 	// expose the module cache
+	/******/ 	__webpack_require__.c = installedModules;
+	/******/
+	/******/ 	// identity function for calling harmony imports with the correct context
+	/******/ 	__webpack_require__.i = function(value) { return value; };
+	/******/
+	/******/ 	// define getter function for harmony exports
+	/******/ 	__webpack_require__.d = function(exports, name, getter) {
+	/******/ 		if(!__webpack_require__.o(exports, name)) {
+	/******/ 			Object.defineProperty(exports, name, {
+	/******/ 				configurable: false,
+	/******/ 				enumerable: true,
+	/******/ 				get: getter
+	/******/ 			});
+	/******/ 		}
+	/******/ 	};
+	/******/
+	/******/ 	// getDefaultExport function for compatibility with non-harmony modules
+	/******/ 	__webpack_require__.n = function(module) {
+	/******/ 		var getter = module && module.__esModule ?
+	/******/ 			function getDefault() { return module['default']; } :
+	/******/ 			function getModuleExports() { return module; };
+	/******/ 		__webpack_require__.d(getter, 'a', getter);
+	/******/ 		return getter;
+	/******/ 	};
+	/******/
+	/******/ 	// Object.prototype.hasOwnProperty.call
+	/******/ 	__webpack_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };
+	/******/
+	/******/ 	// __webpack_public_path__
+	/******/ 	__webpack_require__.p = "";
+	/******/
+	/******/ 	// Load entry module and return exports
+	/******/ 	return __webpack_require__(__webpack_require__.s = 2);
+	/******/ })
+	/************************************************************************/
+	/******/ ([
+	/* 0 */
+	/***/ (function(module, exports, __webpack_require__) {
+
+
+	var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
+
+	module.exports = {
+	    type: function type(ob) {
+	        return Object.prototype.toString.call(ob).slice(8, -1).toLowerCase();
+	    },
+	    isObject: function isObject(ob, real) {
+	        if (real) {
+	            return this.type(ob) === "object";
+	        } else {
+	            return ob && (typeof ob === 'undefined' ? 'undefined' : _typeof(ob)) === 'object';
+	        }
+	    },
+	    isFormData: function isFormData(val) {
+	        return typeof FormData !== 'undefined' && val instanceof FormData;
+	    },
+	    trim: function trim(str) {
+	        return str.replace(/(^\s*)|(\s*$)/g, '');
+	    },
+	    encode: function encode(val) {
+	        return encodeURIComponent(val).replace(/%40/gi, '@').replace(/%3A/gi, ':').replace(/%24/g, '$').replace(/%2C/gi, ',').replace(/%20/g, '+').replace(/%5B/gi, '[').replace(/%5D/gi, ']');
+	    },
+	    formatParams: function formatParams(data) {
+	        var str = "";
+	        var first = true;
+	        var that = this;
+	        if (!this.isObject(data)) {
+	            return data;
+	        }
+
+	        function _encode(sub, path) {
+	            var encode = that.encode;
+	            var type = that.type(sub);
+	            if (type == "array") {
+	                sub.forEach(function (e, i) {
+	                    if (!that.isObject(e)) { i = ""; }
+	                    _encode(e, path + ('%5B' + i + '%5D'));
+	                });
+	            } else if (type == "object") {
+	                for (var key in sub) {
+	                    if (path) {
+	                        _encode(sub[key], path + "%5B" + encode(key) + "%5D");
+	                    } else {
+	                        _encode(sub[key], encode(key));
+	                    }
+	                }
+	            } else {
+	                if (!first) {
+	                    str += "&";
+	                }
+	                first = false;
+	                str += path + "=" + encode(sub);
+	            }
+	        }
+
+	        _encode(data, "");
+	        return str;
+	    },
+
+	    // Do not overwrite existing attributes
+	    merge: function merge(a, b) {
+	        for (var key in b) {
+	            if (!a.hasOwnProperty(key)) {
+	                a[key] = b[key];
+	            } else if (this.isObject(b[key], 1) && this.isObject(a[key], 1)) {
+	                this.merge(a[key], b[key]);
+	            }
+	        }
+	        return a;
+	    }
+	};
+
+	/***/ }),
+	/* 1 */,
+	/* 2 */
+	/***/ (function(module, exports, __webpack_require__) {
+
+	var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) { descriptor.writable = true; } Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) { defineProperties(Constructor.prototype, protoProps); } if (staticProps) { defineProperties(Constructor, staticProps); } return Constructor; }; }();
+
+	function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+	var utils = __webpack_require__(0);
+	var isBrowser = typeof document !== "undefined";
+
+	var Fly = function () {
+	    function Fly(engine) {
+	        _classCallCheck(this, Fly);
+
+	        this.engine = engine || XMLHttpRequest;
+
+	        this.default = this; //For typeScript
+
+	        /**
+	         * Add  lock/unlock API for interceptor.
+	         *
+	         * Once an request/response interceptor is locked, the incoming request/response
+	         * will be added to a queue before they enter the interceptor, they will not be
+	         * continued  until the interceptor is unlocked.
+	         *
+	         * @param [interceptor] either is interceptors.request or interceptors.response
+	         */
+	        function wrap(interceptor) {
+	            var resolve = void 0;
+	            var reject = void 0;
+
+	            function _clear() {
+	                interceptor.p = resolve = reject = null;
+	            }
+
+	            utils.merge(interceptor, {
+	                lock: function lock() {
+	                    if (!resolve) {
+	                        interceptor.p = new Promise(function (_resolve, _reject) {
+	                            resolve = _resolve;
+	                            reject = _reject;
+	                        });
+	                    }
+	                },
+	                unlock: function unlock() {
+	                    if (resolve) {
+	                        resolve();
+	                        _clear();
+	                    }
+	                },
+	                clear: function clear() {
+	                    if (reject) {
+	                        reject("cancel");
+	                        _clear();
+	                    }
+	                }
+	            });
+	        }
+
+	        var interceptors = this.interceptors = {
+	            response: {
+	                use: function use(handler, onerror) {
+	                    this.handler = handler;
+	                    this.onerror = onerror;
+	                }
+	            },
+	            request: {
+	                use: function use(handler) {
+	                    this.handler = handler;
+	                }
+	            }
+	        };
+
+	        var irq = interceptors.request;
+	        var irp = interceptors.response;
+	        wrap(irp);
+	        wrap(irq);
+
+	        this.config = {
+	            method: "GET",
+	            baseURL: "",
+	            headers: {},
+	            timeout: 0,
+	            params: {}, // Default Url params
+	            parseJson: true, // Convert response data to JSON object automatically.
+	            withCredentials: false
+	        };
+	    }
+
+	    _createClass(Fly, [{
+	        key: "request",
+	        value: function request(url, data, options) {
+	            var _this = this;
+
+	            var engine = new this.engine();
+	            var contentType = "Content-Type";
+	            var contentTypeLowerCase = contentType.toLowerCase();
+	            var interceptors = this.interceptors;
+	            var requestInterceptor = interceptors.request;
+	            var responseInterceptor = interceptors.response;
+	            var requestInterceptorHandler = requestInterceptor.handler;
+	            var promise = new Promise(function (resolve, reject) {
+	                if (utils.isObject(url)) {
+	                    options = url;
+	                    url = options.url;
+	                }
+	                options = options || {};
+	                options.headers = options.headers || {};
+
+	                function isPromise(p) {
+	                    // some  polyfill implementation of Promise may be not standard,
+	                    // so, we test by duck-typing
+	                    return p && p.then && p.catch;
+	                }
+
+	                /**
+	                 * If the request/response interceptor has been locked，
+	                 * the new request/response will enter a queue. otherwise, it will be performed directly.
+	                 * @param [promise] if the promise exist, means the interceptor is  locked.
+	                 * @param [callback]
+	                 */
+	                function enqueueIfLocked(promise, callback) {
+	                    if (promise) {
+	                        promise.then(function () {
+	                            callback();
+	                        });
+	                    } else {
+	                        callback();
+	                    }
+	                }
+
+	                // make the http request
+	                function makeRequest(options) {
+	                    data = options.body;
+	                    // Normalize the request url
+	                    url = utils.trim(options.url);
+	                    var baseUrl = utils.trim(options.baseURL || "");
+	                    if (!url && isBrowser && !baseUrl) { url = location.href; }
+	                    if (url.indexOf("http") !== 0) {
+	                        var isAbsolute = url[0] === "/";
+	                        if (!baseUrl && isBrowser) {
+	                            var arr = location.pathname.split("/");
+	                            arr.pop();
+	                            baseUrl = location.protocol + "//" + location.host + (isAbsolute ? "" : arr.join("/"));
+	                        }
+	                        if (baseUrl[baseUrl.length - 1] !== "/") {
+	                            baseUrl += "/";
+	                        }
+	                        url = baseUrl + (isAbsolute ? url.substr(1) : url);
+	                        if (isBrowser) {
+
+	                            // Normalize the url which contains the ".." or ".", such as
+	                            // "http://xx.com/aa/bb/../../xx" to "http://xx.com/xx" .
+	                            var t = document.createElement("a");
+	                            t.href = url;
+	                            url = t.href;
+	                        }
+	                    }
+
+	                    var responseType = utils.trim(options.responseType || "");
+	                    var needQuery = ["GET", "HEAD", "DELETE", "OPTION"].indexOf(options.method) !== -1;
+	                    var dataType = utils.type(data);
+	                    var params = options.params || {};
+
+	                    // merge url params when the method is "GET" (data is object)
+	                    if (needQuery && dataType === "object") {
+	                        params = utils.merge(data, params);
+	                    }
+	                    // encode params to String
+	                    params = utils.formatParams(params);
+
+	                    // save url params
+	                    var _params = [];
+	                    if (params) {
+	                        _params.push(params);
+	                    }
+	                    // Add data to url params when the method is "GET" (data is String)
+	                    if (needQuery && data && dataType === "string") {
+	                        _params.push(data);
+	                    }
+
+	                    // make the final url
+	                    if (_params.length > 0) {
+	                        url += (url.indexOf("?") === -1 ? "?" : "&") + _params.join("&");
+	                    }
+
+	                    engine.open(options.method, url);
+
+	                    // try catch for ie >=9
+	                    try {
+	                        engine.withCredentials = !!options.withCredentials;
+	                        engine.timeout = options.timeout || 0;
+	                        if (responseType !== "stream") {
+	                            engine.responseType = responseType;
+	                        }
+	                    } catch (e) {}
+
+	                    var customContentType = options.headers[contentType] || options.headers[contentTypeLowerCase];
+
+	                    // default content type
+	                    var _contentType = "application/x-www-form-urlencoded";
+	                    // If the request data is json object, transforming it  to json string,
+	                    // and set request content-type to "json". In browser,  the data will
+	                    // be sent as RequestBody instead of FormData
+	                    if (utils.trim((customContentType || "").toLowerCase()) === _contentType) {
+	                        data = utils.formatParams(data);
+	                    } else if (!utils.isFormData(data) && ["object", "array"].indexOf(utils.type(data)) !== -1) {
+	                        _contentType = 'application/json;charset=utf-8';
+	                        data = JSON.stringify(data);
+	                    }
+	                    //If user doesn't set content-type, set default.
+	                    if (!(customContentType || needQuery)) {
+	                        options.headers[contentType] = _contentType;
+	                    }
+
+	                    for (var k in options.headers) {
+	                        if (k === contentType && utils.isFormData(data)) {
+	                            // Delete the content-type, Let the browser set it
+	                            delete options.headers[k];
+	                        } else {
+	                            try {
+	                                // In browser environment, some header fields are readonly,
+	                                // write will cause the exception .
+	                                engine.setRequestHeader(k, options.headers[k]);
+	                            } catch (e) {}
+	                        }
+	                    }
+
+	                    function onresult(handler, data, type) {
+	                        enqueueIfLocked(responseInterceptor.p, function () {
+	                            if (handler) {
+	                                //如果失败，添加请求信息
+	                                if (type) {
+	                                    data.request = options;
+	                                }
+	                                var ret = handler.call(responseInterceptor, data, Promise);
+	                                data = ret === undefined ? data : ret;
+	                            }
+	                            if (!isPromise(data)) {
+	                                data = Promise[type === 0 ? "resolve" : "reject"](data);
+	                            }
+	                            data.then(function (d) {
+	                                resolve(d);
+	                            }).catch(function (e) {
+	                                reject(e);
+	                            });
+	                        });
+	                    }
+
+	                    function onerror(e) {
+	                        e.engine = engine;
+	                        onresult(responseInterceptor.onerror, e, -1);
+	                    }
+
+	                    function Err(msg, status) {
+	                        this.message = msg;
+	                        this.status = status;
+	                    }
+
+	                    engine.onload = function () {
+	                        try {
+	                            // The xhr of IE9 has not response field
+	                            var response = engine.response || engine.responseText;
+	                            if (response && options.parseJson && (engine.getResponseHeader(contentType) || "").indexOf("json") !== -1
+	                            // Some third engine implementation may transform the response text to json object automatically,
+	                            // so we should test the type of response before transforming it
+	                            && !utils.isObject(response)) {
+	                                response = JSON.parse(response);
+	                            }
+
+	                            var headers = engine.responseHeaders;
+	                            // In browser
+	                            if (!headers) {
+	                                headers = {};
+	                                var items = (engine.getAllResponseHeaders() || "").split("\r\n");
+	                                items.pop();
+	                                items.forEach(function (e) {
+	                                    if (!e) { return; }
+	                                    var key = e.split(":")[0];
+	                                    headers[key] = engine.getResponseHeader(key);
+	                                });
+	                            }
+	                            var status = engine.status;
+	                            var statusText = engine.statusText;
+	                            var _data = { data: response, headers: headers, status: status, statusText: statusText };
+	                            // The _response filed of engine is set in  adapter which be called in engine-wrapper.js
+	                            utils.merge(_data, engine._response);
+	                            if (status >= 200 && status < 300 || status === 304) {
+	                                _data.engine = engine;
+	                                _data.request = options;
+	                                onresult(responseInterceptor.handler, _data, 0);
+	                            } else {
+	                                var e = new Err(statusText, status);
+	                                e.response = _data;
+	                                onerror(e);
+	                            }
+	                        } catch (e) {
+	                            onerror(new Err(e.msg, engine.status));
+	                        }
+	                    };
+
+	                    engine.onerror = function (e) {
+	                        onerror(new Err(e.msg || "Network Error", 0));
+	                    };
+
+	                    engine.ontimeout = function () {
+	                        onerror(new Err("timeout [ " + engine.timeout + "ms ]", 1));
+	                    };
+	                    engine._options = options;
+	                    setTimeout(function () {
+	                        engine.send(needQuery ? null : data);
+	                    }, 0);
+	                }
+
+	                enqueueIfLocked(requestInterceptor.p, function () {
+	                    utils.merge(options, JSON.parse(JSON.stringify(_this.config)));
+	                    var headers = options.headers;
+	                    headers[contentType] = headers[contentType] || headers[contentTypeLowerCase] || "";
+	                    delete headers[contentTypeLowerCase];
+	                    options.body = data || options.body;
+	                    url = utils.trim(url || "");
+	                    options.method = options.method.toUpperCase();
+	                    options.url = url;
+	                    var ret = options;
+	                    if (requestInterceptorHandler) {
+	                        ret = requestInterceptorHandler.call(requestInterceptor, options, Promise) || options;
+	                    }
+	                    if (!isPromise(ret)) {
+	                        ret = Promise.resolve(ret);
+	                    }
+	                    ret.then(function (d) {
+	                        //if options continue
+	                        if (d === options) {
+	                            makeRequest(d);
+	                        } else {
+	                            resolve(d);
+	                        }
+	                    }, function (err) {
+	                        reject(err);
+	                    });
+	                });
+	            });
+	            promise.engine = engine;
+	            return promise;
+	        }
+	    }, {
+	        key: "all",
+	        value: function all(promises) {
+	            return Promise.all(promises);
+	        }
+	    }, {
+	        key: "spread",
+	        value: function spread(callback) {
+	            return function (arr) {
+	                return callback.apply(null, arr);
+	            };
+	        }
+	    }]);
+
+	    return Fly;
+	}();
+
+	//For typeScript
+
+
+	Fly.default = Fly;
+
+	["get", "post", "put", "patch", "head", "delete"].forEach(function (e) {
+	    Fly.prototype[e] = function (url, data, option) {
+	        return this.request(url, data, utils.merge({ method: e }, option));
+	    };
+	});
+	["lock", "unlock", "clear"].forEach(function (e) {
+	    Fly.prototype[e] = function () {
+	        this.interceptors.request[e]();
+	    };
+	});
+	module.exports = Fly;
+
+	/***/ })
+	/******/ ]);
+	});
+	});
+
+	var Fly$1 = unwrapExports(fly);
+
+	// the core stuff to id if it's calling with jsonql
+	var DATA_KEY = 'data';
+	var ERROR_KEY = 'error';
+
+	var JSONQL_PATH = 'jsonql';
+	// according to the json query spec
+	var CONTENT_TYPE = 'application/vnd.api+json';
+	var CHARSET = 'charset=utf-8';
+	var DEFAULT_HEADER = {
+	  'Accept': CONTENT_TYPE,
+	  'Content-Type': [ CONTENT_TYPE, CHARSET ].join(';')
+	};
+
+	// export const INDEX = 'index'; use INDEX_KEY instead
+	var DEFAULT_TYPE = 'any';
+	// new jsonp
+	var JSONP_CALLBACK_NAME = 'jsonqlJsonpCallback';
+
+	// methods allow
+	var API_REQUEST_METHODS = ['POST', 'PUT'];
+	// for  contract-cli
+	var KEY_WORD = 'continue';
+
+	var TYPE_KEY = 'type';
+	var OPTIONAL_KEY = 'optional';
+	var ENUM_KEY = 'enumv';  // need to change this because enum is a reserved word
+	var ARGS_KEY = 'args';
+	var CHECKER_KEY = 'checker';
+	var ALIAS_KEY = 'alias';
+	var CHECKED_KEY = '__checked__';
+	var LOGIN_NAME = 'login';
+	var ISSUER_NAME = LOGIN_NAME; // legacy issue need to replace them later
+	var LOGOUT_NAME = 'logout';
+
+	var AUTH_HEADER = 'Authorization';
+	var BEARER = 'Bearer';
+
+	// for client use @TODO need to clean this up some of them are not in use
+	var CREDENTIAL_STORAGE_KEY = 'credential';
+	var CLIENT_STORAGE_KEY = 'storageKey';
+	var CLIENT_AUTH_KEY = 'authKey';
+	// contract key
+	var CONTRACT_KEY_NAME = 'X-JSONQL-CV-KEY';
+	var SHOW_CONTRACT_DESC_PARAM = {desc: 'y'};
+
+	var OR_SEPERATOR = '|';
+
+	var STRING_TYPE = 'string';
+	var BOOLEAN_TYPE = 'boolean';
+	var ARRAY_TYPE = 'array';
+	var OBJECT_TYPE = 'object';
+
+	var NUMBER_TYPE = 'number';
+	var ARRAY_TYPE_LFT = 'array.<';
+	var ARRAY_TYPE_RGT = '>';
+
+	var NO_ERROR_MSG = 'No message';
+	var NO_STATUS_CODE = -1;
+	var ON_RESULT_PROP_NAME = 'onResult';
+	var ON_ERROR_PROP_NAME = 'onError';
+	var HSA_ALGO = 'HS256';
+
+	/**
+	 * This is a custom error to throw when server throw a 406
+	 * This help us to capture the right error, due to the call happens in sequence
+	 * @param {string} message to tell what happen
+	 * @param {mixed} extra things we want to add, 500?
+	 */
+	var Jsonql406Error = /*@__PURE__*/(function (Error) {
+	  function Jsonql406Error() {
+	    var args = [], len = arguments.length;
+	    while ( len-- ) args[ len ] = arguments[ len ];
+
+	    Error.apply(this, args);
+	    this.message = args[0];
+	    this.detail = args[1];
+	    // We can't access the static name from an instance
+	    // but we can do it like this
+	    this.className = Jsonql406Error.name;
+
+	    if (Error.captureStackTrace) {
+	      Error.captureStackTrace(this, Jsonql406Error);
+	    }
+	  }
+
+	  if ( Error ) Jsonql406Error.__proto__ = Error;
+	  Jsonql406Error.prototype = Object.create( Error && Error.prototype );
+	  Jsonql406Error.prototype.constructor = Jsonql406Error;
+
+	  var staticAccessors = { statusCode: { configurable: true },name: { configurable: true } };
+
+	  staticAccessors.statusCode.get = function () {
+	    return 406;
+	  };
+
+	  staticAccessors.name.get = function () {
+	    return 'Jsonql406Error';
+	  };
+
+	  Object.defineProperties( Jsonql406Error, staticAccessors );
+
+	  return Jsonql406Error;
+	}(Error));
+
+	/**
+	 * This is a custom error to throw when server throw a 500
+	 * This help us to capture the right error, due to the call happens in sequence
+	 * @param {string} message to tell what happen
+	 * @param {mixed} extra things we want to add, 500?
+	 */
+	var Jsonql500Error = /*@__PURE__*/(function (Error) {
+	  function Jsonql500Error() {
+	    var args = [], len = arguments.length;
+	    while ( len-- ) args[ len ] = arguments[ len ];
+
+	    Error.apply(this, args);
+
+	    this.message = args[0];
+	    this.detail = args[1];
+
+	    this.className = Jsonql500Error.name;
+
+	    if (Error.captureStackTrace) {
+	      Error.captureStackTrace(this, Jsonql500Error);
+	    }
+	  }
+
+	  if ( Error ) Jsonql500Error.__proto__ = Error;
+	  Jsonql500Error.prototype = Object.create( Error && Error.prototype );
+	  Jsonql500Error.prototype.constructor = Jsonql500Error;
+
+	  var staticAccessors = { statusCode: { configurable: true },name: { configurable: true } };
+
+	  staticAccessors.statusCode.get = function () {
+	    return 500;
+	  };
+
+	  staticAccessors.name.get = function () {
+	    return 'Jsonql500Error';
+	  };
+
+	  Object.defineProperties( Jsonql500Error, staticAccessors );
+
+	  return Jsonql500Error;
+	}(Error));
+
+	/**
+	 * This is a custom error to throw when pass credential but fail
+	 * This help us to capture the right error, due to the call happens in sequence
+	 * @param {string} message to tell what happen
+	 * @param {mixed} extra things we want to add, 500?
+	 */
+	var JsonqlAuthorisationError = /*@__PURE__*/(function (Error) {
+	  function JsonqlAuthorisationError() {
+	    var args = [], len = arguments.length;
+	    while ( len-- ) args[ len ] = arguments[ len ];
+
+	    Error.apply(this, args);
+	    this.message = args[0];
+	    this.detail = args[1];
+
+	    this.className = JsonqlAuthorisationError.name;
+
+	    if (Error.captureStackTrace) {
+	      Error.captureStackTrace(this, JsonqlAuthorisationError);
+	    }
+	  }
+
+	  if ( Error ) JsonqlAuthorisationError.__proto__ = Error;
+	  JsonqlAuthorisationError.prototype = Object.create( Error && Error.prototype );
+	  JsonqlAuthorisationError.prototype.constructor = JsonqlAuthorisationError;
+
+	  var staticAccessors = { statusCode: { configurable: true },name: { configurable: true } };
+
+	  staticAccessors.statusCode.get = function () {
+	    return 401;
+	  };
+
+	  staticAccessors.name.get = function () {
+	    return 'JsonqlAuthorisationError';
+	  };
+
+	  Object.defineProperties( JsonqlAuthorisationError, staticAccessors );
+
+	  return JsonqlAuthorisationError;
+	}(Error));
+
+	/**
+	 * This is a custom error when not supply the credential and try to get contract
+	 * This help us to capture the right error, due to the call happens in sequence
+	 * @param {string} message to tell what happen
+	 * @param {mixed} extra things we want to add, 500?
+	 */
+	var JsonqlContractAuthError = /*@__PURE__*/(function (Error) {
+	  function JsonqlContractAuthError() {
+	    var args = [], len = arguments.length;
+	    while ( len-- ) args[ len ] = arguments[ len ];
+
+	    Error.apply(this, args);
+	    this.message = args[0];
+	    this.detail = args[1];
+
+	    this.className = JsonqlContractAuthError.name;
+
+	    if (Error.captureStackTrace) {
+	      Error.captureStackTrace(this, JsonqlContractAuthError);
+	    }
+	  }
+
+	  if ( Error ) JsonqlContractAuthError.__proto__ = Error;
+	  JsonqlContractAuthError.prototype = Object.create( Error && Error.prototype );
+	  JsonqlContractAuthError.prototype.constructor = JsonqlContractAuthError;
+
+	  var staticAccessors = { statusCode: { configurable: true },name: { configurable: true } };
+
+	  staticAccessors.statusCode.get = function () {
+	    return 401;
+	  };
+
+	  staticAccessors.name.get = function () {
+	    return 'JsonqlContractAuthError';
+	  };
+
+	  Object.defineProperties( JsonqlContractAuthError, staticAccessors );
+
+	  return JsonqlContractAuthError;
+	}(Error));
+
+	/**
+	 * This is a custom error to throw when the resolver throw error and capture inside the middleware
+	 * This help us to capture the right error, due to the call happens in sequence
+	 * @param {string} message to tell what happen
+	 * @param {mixed} extra things we want to add, 500?
+	 */
+	var JsonqlResolverAppError = /*@__PURE__*/(function (Error) {
+	  function JsonqlResolverAppError() {
+	    var args = [], len = arguments.length;
+	    while ( len-- ) args[ len ] = arguments[ len ];
+
+	    Error.apply(this, args);
+
+	    this.message = args[0];
+	    this.detail = args[1];
+
+	    this.className = JsonqlResolverAppError.name;
+
+	    if (Error.captureStackTrace) {
+	      Error.captureStackTrace(this, JsonqlResolverAppError);
+	    }
+	  }
+
+	  if ( Error ) JsonqlResolverAppError.__proto__ = Error;
+	  JsonqlResolverAppError.prototype = Object.create( Error && Error.prototype );
+	  JsonqlResolverAppError.prototype.constructor = JsonqlResolverAppError;
+
+	  var staticAccessors = { statusCode: { configurable: true },name: { configurable: true } };
+
+	  staticAccessors.statusCode.get = function () {
+	    return 500;
+	  };
+
+	  staticAccessors.name.get = function () {
+	    return 'JsonqlResolverAppError';
+	  };
+
+	  Object.defineProperties( JsonqlResolverAppError, staticAccessors );
+
+	  return JsonqlResolverAppError;
+	}(Error));
+
+	/**
+	 * This is a custom error to throw when could not find the resolver
+	 * This help us to capture the right error, due to the call happens in sequence
+	 * @param {string} message to tell what happen
+	 * @param {mixed} extra things we want to add, 500?
+	 */
+	var JsonqlResolverNotFoundError = /*@__PURE__*/(function (Error) {
+	  function JsonqlResolverNotFoundError() {
+	    var args = [], len = arguments.length;
+	    while ( len-- ) args[ len ] = arguments[ len ];
+
+	    Error.apply(this, args);
+
+	    this.message = args[0];
+	    this.detail = args[1];
+
+	    this.className = JsonqlResolverNotFoundError.name;
+
+	    if (Error.captureStackTrace) {
+	      Error.captureStackTrace(this, JsonqlResolverNotFoundError);
+	    }
+	  }
+
+	  if ( Error ) JsonqlResolverNotFoundError.__proto__ = Error;
+	  JsonqlResolverNotFoundError.prototype = Object.create( Error && Error.prototype );
+	  JsonqlResolverNotFoundError.prototype.constructor = JsonqlResolverNotFoundError;
+
+	  var staticAccessors = { statusCode: { configurable: true },name: { configurable: true } };
+
+	  staticAccessors.statusCode.get = function () {
+	    return 404;
+	  };
+
+	  staticAccessors.name.get = function () {
+	    return 'JsonqlResolverNotFoundError';
+	  };
+
+	  Object.defineProperties( JsonqlResolverNotFoundError, staticAccessors );
+
+	  return JsonqlResolverNotFoundError;
+	}(Error));
+
+	// this get throw from within the checkOptions when run through the enum failed
+	var JsonqlEnumError = /*@__PURE__*/(function (Error) {
+	  function JsonqlEnumError() {
+	    var args = [], len = arguments.length;
+	    while ( len-- ) args[ len ] = arguments[ len ];
+
+	    Error.apply(this, args);
+	    
+	    this.message = args[0];
+	    this.detail = args[1];
+
+	    this.className = JsonqlEnumError.name;
+
+	    if (Error.captureStackTrace) {
+	      Error.captureStackTrace(this, JsonqlEnumError);
+	    }
+	  }
+
+	  if ( Error ) JsonqlEnumError.__proto__ = Error;
+	  JsonqlEnumError.prototype = Object.create( Error && Error.prototype );
+	  JsonqlEnumError.prototype.constructor = JsonqlEnumError;
+
+	  var staticAccessors = { name: { configurable: true } };
+
+	  staticAccessors.name.get = function () {
+	    return 'JsonqlEnumError';
+	  };
+
+	  Object.defineProperties( JsonqlEnumError, staticAccessors );
+
+	  return JsonqlEnumError;
+	}(Error));
+
+	// this will throw from inside the checkOptions
+	var JsonqlTypeError = /*@__PURE__*/(function (Error) {
+	  function JsonqlTypeError() {
+	    var args = [], len = arguments.length;
+	    while ( len-- ) args[ len ] = arguments[ len ];
+
+	    Error.apply(this, args);
+
+	    this.message = args[0];
+	    this.detail = args[1];
+
+	    this.className = JsonqlTypeError.name;
+
+	    if (Error.captureStackTrace) {
+	      Error.captureStackTrace(this, JsonqlTypeError);
+	    }
+	  }
+
+	  if ( Error ) JsonqlTypeError.__proto__ = Error;
+	  JsonqlTypeError.prototype = Object.create( Error && Error.prototype );
+	  JsonqlTypeError.prototype.constructor = JsonqlTypeError;
+
+	  var staticAccessors = { name: { configurable: true } };
+
+	  staticAccessors.name.get = function () {
+	    return 'JsonqlTypeError';
+	  };
+
+	  Object.defineProperties( JsonqlTypeError, staticAccessors );
+
+	  return JsonqlTypeError;
+	}(Error));
+
+	// allow supply a custom checker function
+	// if that failed then we throw this error
+	var JsonqlCheckerError = /*@__PURE__*/(function (Error) {
+	  function JsonqlCheckerError() {
+	    var args = [], len = arguments.length;
+	    while ( len-- ) args[ len ] = arguments[ len ];
+
+	    Error.apply(this, args);
+	    this.message = args[0];
+	    this.detail = args[1];
+
+	    this.className = JsonqlCheckerError.name;
+
+	    if (Error.captureStackTrace) {
+	      Error.captureStackTrace(this, JsonqlCheckerError);
+	    }
+	  }
+
+	  if ( Error ) JsonqlCheckerError.__proto__ = Error;
+	  JsonqlCheckerError.prototype = Object.create( Error && Error.prototype );
+	  JsonqlCheckerError.prototype.constructor = JsonqlCheckerError;
+
+	  var staticAccessors = { name: { configurable: true } };
+
+	  staticAccessors.name.get = function () {
+	    return 'JsonqlCheckerError';
+	  };
+
+	  Object.defineProperties( JsonqlCheckerError, staticAccessors );
+
+	  return JsonqlCheckerError;
+	}(Error));
+
+	// custom validation error class
+	// when validaton failed
+	var JsonqlValidationError = /*@__PURE__*/(function (Error) {
+	  function JsonqlValidationError() {
+	    var args = [], len = arguments.length;
+	    while ( len-- ) args[ len ] = arguments[ len ];
+
+	    Error.apply(this, args);
+
+	    this.message = args[0];
+	    this.detail = args[1];
+
+	    this.className = JsonqlValidationError.name;
+
+	    if (Error.captureStackTrace) {
+	      Error.captureStackTrace(this, JsonqlValidationError);
+	    }
+	  }
+
+	  if ( Error ) JsonqlValidationError.__proto__ = Error;
+	  JsonqlValidationError.prototype = Object.create( Error && Error.prototype );
+	  JsonqlValidationError.prototype.constructor = JsonqlValidationError;
+
+	  var staticAccessors = { name: { configurable: true } };
+
+	  staticAccessors.name.get = function () {
+	    return 'JsonqlValidationError';
+	  };
+
+	  Object.defineProperties( JsonqlValidationError, staticAccessors );
+
+	  return JsonqlValidationError;
+	}(Error));
+
+	/**
+	 * This is a custom error to throw whenever a error happen inside the jsonql
+	 * This help us to capture the right error, due to the call happens in sequence
+	 * @param {string} message to tell what happen
+	 * @param {mixed} extra things we want to add, 500?
+	 */
+	var JsonqlError = /*@__PURE__*/(function (Error) {
+	  function JsonqlError() {
+	    var args = [], len = arguments.length;
+	    while ( len-- ) args[ len ] = arguments[ len ];
+
+	    Error.apply(this, args);
+
+	    this.message = args[0];
+	    this.detail = args[1];
+
+	    this.className = JsonqlError.name;
+
+	    if (Error.captureStackTrace) {
+	      Error.captureStackTrace(this, JsonqlError);
+	      // this.detail = this.stack;
+	    }
+	  }
+
+	  if ( Error ) JsonqlError.__proto__ = Error;
+	  JsonqlError.prototype = Object.create( Error && Error.prototype );
+	  JsonqlError.prototype.constructor = JsonqlError;
+
+	  var staticAccessors = { name: { configurable: true },statusCode: { configurable: true } };
+
+	  staticAccessors.name.get = function () {
+	    return 'JsonqlError';
+	  };
+
+	  staticAccessors.statusCode.get = function () {
+	    return NO_STATUS_CODE;
+	  };
+
+	  Object.defineProperties( JsonqlError, staticAccessors );
+
+	  return JsonqlError;
+	}(Error));
+
+	// this is from an example from Koa team to use for internal middleware ctx.throw
+	// but after the test the res.body part is unable to extract the required data
+	// I keep this one here for future reference
+
+	var JsonqlServerError = /*@__PURE__*/(function (Error) {
+	  function JsonqlServerError(statusCode, message) {
+	    Error.call(this, message);
+	    this.statusCode = statusCode;
+	    this.className = JsonqlServerError.name;
+	  }
+
+	  if ( Error ) JsonqlServerError.__proto__ = Error;
+	  JsonqlServerError.prototype = Object.create( Error && Error.prototype );
+	  JsonqlServerError.prototype.constructor = JsonqlServerError;
+
+	  var staticAccessors = { name: { configurable: true } };
+
+	  staticAccessors.name.get = function () {
+	    return 'JsonqlServerError';
+	  };
+
+	  Object.defineProperties( JsonqlServerError, staticAccessors );
+
+	  return JsonqlServerError;
+	}(Error));
+
+	// server side
+
+	var errors = /*#__PURE__*/Object.freeze({
+		__proto__: null,
+		Jsonql406Error: Jsonql406Error,
+		Jsonql500Error: Jsonql500Error,
+		JsonqlAuthorisationError: JsonqlAuthorisationError,
+		JsonqlContractAuthError: JsonqlContractAuthError,
+		JsonqlResolverAppError: JsonqlResolverAppError,
+		JsonqlResolverNotFoundError: JsonqlResolverNotFoundError,
+		JsonqlEnumError: JsonqlEnumError,
+		JsonqlTypeError: JsonqlTypeError,
+		JsonqlCheckerError: JsonqlCheckerError,
+		JsonqlValidationError: JsonqlValidationError,
+		JsonqlError: JsonqlError,
+		JsonqlServerError: JsonqlServerError
+	});
+
+	// this will add directly to the then call in each http call
+	var JsonqlError$1 = JsonqlError;
+
+	/**
+	 * We can not just check something like result.data what if the result if false?
+	 * @param {object} obj the result object
+	 * @param {string} key we want to check if its exist or not
+	 * @return {boolean} true on found
+	 */
+	var isObjectHasKey = function (obj, key) {
+	  var keys = Object.keys(obj);
+	  return !!keys.filter(function (k) { return key === k; }).length;
+	};
+
+	/**
+	 * It will ONLY have our own jsonql specific implement check
+	 * @param {object} result the server return result
+	 * @return {object} this will just throw error
+	 */
+	function clientErrorsHandler(result) {
+	  if (isObjectHasKey(result, 'error')) {
+	    var error = result.error;
+	    var className = error.className;
+	    var name = error.name;
+	    var errorName = className || name;
+	    // just throw the whole thing back
+	    var msg = error.message || NO_ERROR_MSG;
+	    var detail = error.detail || error;
+	    if (errorName && errors[errorName]) {
+	      throw new errors[className](msg, detail)
+	    }
+	    throw new JsonqlError$1(msg, detail)
+	  }
+	  // pass through to the next
+	  return result;
+	}
+
+	/**
+	 * this will put into generator call at the very end and catch
+	 * the error throw from inside then throw again
+	 * this is necessary because we split calls inside and the throw
+	 * will not reach the actual client unless we do it this way
+	 * @param {object} e Error
+	 * @return {void} just throw
+	 */
+	function finalCatch(e) {
+	  // this is a hack to get around the validateAsync not actually throw error
+	  // instead it just rejected it with the array of failed parameters
+	  if (Array.isArray(e)) {
+	    // if we want the message then I will have to create yet another function
+	    // to wrap this function to provide the name prop
+	    throw new JsonqlValidationError('', e)
+	  }
+	  var msg = e.message || NO_ERROR_MSG;
+	  var detail = e.detail || e;
+	  switch (true) {
+	    case e instanceof Jsonql406Error:
+	      throw new Jsonql406Error(msg, detail)
+	    case e instanceof Jsonql500Error:
+	      throw new Jsonql500Error(msg, detail)
+	    case e instanceof JsonqlAuthorisationError:
+	      throw new JsonqlAuthorisationError(msg, detail)
+	    case e instanceof JsonqlContractAuthError:
+	      throw new JsonqlContractAuthError(msg, detail)
+	    case e instanceof JsonqlResolverAppError:
+	      throw new JsonqlResolverAppError(msg, detail)
+	    case e instanceof JsonqlResolverNotFoundError:
+	      throw new JsonqlResolverNotFoundError(msg, detail)
+	    case e instanceof JsonqlEnumError:
+	      throw new JsonqlEnumError(msg, detail)
+	    case e instanceof JsonqlTypeError:
+	      throw new JsonqlTypeError(msg, detail)
+	    case e instanceof JsonqlCheckerError:
+	      throw new JsonqlCheckerError(msg, detail)
+	    case e instanceof JsonqlValidationError:
+	      throw new JsonqlValidationError(msg, detail)
+	    case e instanceof JsonqlServerError:
+	      throw new JsonqlServerError(msg, detail)
+	    default:
+	      throw new JsonqlError(msg, detail)
+	  }
+	}
+
+	/**
+	 * Checks if `value` is `null`.
+	 *
+	 * @static
+	 * @memberOf _
+	 * @since 0.1.0
+	 * @category Lang
+	 * @param {*} value The value to check.
+	 * @returns {boolean} Returns `true` if `value` is `null`, else `false`.
+	 * @example
+	 *
+	 * _.isNull(null);
+	 * // => true
+	 *
+	 * _.isNull(void 0);
+	 * // => false
+	 */
+	function isNull(value) {
+	  return value === null;
+	}
+
+	var global$1 = (typeof global !== "undefined" ? global :
+	            typeof self !== "undefined" ? self :
+	            typeof window !== "undefined" ? window : {});
+
+	/** Detect free variable `global` from Node.js. */
+	var freeGlobal = typeof global$1 == 'object' && global$1 && global$1.Object === Object && global$1;
+
+	/** Detect free variable `self`. */
+	var freeSelf = typeof self == 'object' && self && self.Object === Object && self;
+
+	/** Used as a reference to the global object. */
+	var root = freeGlobal || freeSelf || Function('return this')();
+
+	/** Built-in value references. */
+	var Symbol$1 = root.Symbol;
+
+	/**
+	 * A specialized version of `_.map` for arrays without support for iteratee
+	 * shorthands.
+	 *
+	 * @private
+	 * @param {Array} [array] The array to iterate over.
+	 * @param {Function} iteratee The function invoked per iteration.
+	 * @returns {Array} Returns the new mapped array.
+	 */
+	function arrayMap(array, iteratee) {
+	  var index = -1,
+	      length = array == null ? 0 : array.length,
+	      result = Array(length);
+
+	  while (++index < length) {
+	    result[index] = iteratee(array[index], index, array);
+	  }
+	  return result;
+	}
+
+	/**
+	 * Checks if `value` is classified as an `Array` object.
+	 *
+	 * @static
+	 * @memberOf _
+	 * @since 0.1.0
+	 * @category Lang
+	 * @param {*} value The value to check.
+	 * @returns {boolean} Returns `true` if `value` is an array, else `false`.
+	 * @example
+	 *
+	 * _.isArray([1, 2, 3]);
+	 * // => true
+	 *
+	 * _.isArray(document.body.children);
+	 * // => false
+	 *
+	 * _.isArray('abc');
+	 * // => false
+	 *
+	 * _.isArray(_.noop);
+	 * // => false
+	 */
+	var isArray = Array.isArray;
+
+	/** Used for built-in method references. */
+	var objectProto = Object.prototype;
+
+	/** Used to check objects for own properties. */
+	var hasOwnProperty = objectProto.hasOwnProperty;
+
+	/**
+	 * Used to resolve the
+	 * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)
+	 * of values.
+	 */
+	var nativeObjectToString = objectProto.toString;
+
+	/** Built-in value references. */
+	var symToStringTag = Symbol$1 ? Symbol$1.toStringTag : undefined;
+
+	/**
+	 * A specialized version of `baseGetTag` which ignores `Symbol.toStringTag` values.
+	 *
+	 * @private
+	 * @param {*} value The value to query.
+	 * @returns {string} Returns the raw `toStringTag`.
+	 */
+	function getRawTag(value) {
+	  var isOwn = hasOwnProperty.call(value, symToStringTag),
+	      tag = value[symToStringTag];
+
+	  try {
+	    value[symToStringTag] = undefined;
+	    var unmasked = true;
+	  } catch (e) {}
+
+	  var result = nativeObjectToString.call(value);
+	  if (unmasked) {
+	    if (isOwn) {
+	      value[symToStringTag] = tag;
+	    } else {
+	      delete value[symToStringTag];
+	    }
+	  }
+	  return result;
+	}
+
+	/** Used for built-in method references. */
+	var objectProto$1 = Object.prototype;
+
+	/**
+	 * Used to resolve the
+	 * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)
+	 * of values.
+	 */
+	var nativeObjectToString$1 = objectProto$1.toString;
+
+	/**
+	 * Converts `value` to a string using `Object.prototype.toString`.
+	 *
+	 * @private
+	 * @param {*} value The value to convert.
+	 * @returns {string} Returns the converted string.
+	 */
+	function objectToString(value) {
+	  return nativeObjectToString$1.call(value);
+	}
+
+	/** `Object#toString` result references. */
+	var nullTag = '[object Null]',
+	    undefinedTag = '[object Undefined]';
+
+	/** Built-in value references. */
+	var symToStringTag$1 = Symbol$1 ? Symbol$1.toStringTag : undefined;
+
+	/**
+	 * The base implementation of `getTag` without fallbacks for buggy environments.
+	 *
+	 * @private
+	 * @param {*} value The value to query.
+	 * @returns {string} Returns the `toStringTag`.
+	 */
+	function baseGetTag(value) {
+	  if (value == null) {
+	    return value === undefined ? undefinedTag : nullTag;
+	  }
+	  return (symToStringTag$1 && symToStringTag$1 in Object(value))
+	    ? getRawTag(value)
+	    : objectToString(value);
+	}
+
+	/**
+	 * Checks if `value` is object-like. A value is object-like if it's not `null`
+	 * and has a `typeof` result of "object".
+	 *
+	 * @static
+	 * @memberOf _
+	 * @since 4.0.0
+	 * @category Lang
+	 * @param {*} value The value to check.
+	 * @returns {boolean} Returns `true` if `value` is object-like, else `false`.
+	 * @example
+	 *
+	 * _.isObjectLike({});
+	 * // => true
+	 *
+	 * _.isObjectLike([1, 2, 3]);
+	 * // => true
+	 *
+	 * _.isObjectLike(_.noop);
+	 * // => false
+	 *
+	 * _.isObjectLike(null);
+	 * // => false
+	 */
+	function isObjectLike(value) {
+	  return value != null && typeof value == 'object';
+	}
+
+	/** `Object#toString` result references. */
+	var symbolTag = '[object Symbol]';
+
+	/**
+	 * Checks if `value` is classified as a `Symbol` primitive or object.
+	 *
+	 * @static
+	 * @memberOf _
+	 * @since 4.0.0
+	 * @category Lang
+	 * @param {*} value The value to check.
+	 * @returns {boolean} Returns `true` if `value` is a symbol, else `false`.
+	 * @example
+	 *
+	 * _.isSymbol(Symbol.iterator);
+	 * // => true
+	 *
+	 * _.isSymbol('abc');
+	 * // => false
+	 */
+	function isSymbol(value) {
+	  return typeof value == 'symbol' ||
+	    (isObjectLike(value) && baseGetTag(value) == symbolTag);
+	}
+
+	/** Used as references for various `Number` constants. */
+	var INFINITY = 1 / 0;
+
+	/** Used to convert symbols to primitives and strings. */
+	var symbolProto = Symbol$1 ? Symbol$1.prototype : undefined,
+	    symbolToString = symbolProto ? symbolProto.toString : undefined;
+
+	/**
+	 * The base implementation of `_.toString` which doesn't convert nullish
+	 * values to empty strings.
+	 *
+	 * @private
+	 * @param {*} value The value to process.
+	 * @returns {string} Returns the string.
+	 */
+	function baseToString(value) {
+	  // Exit early for strings to avoid a performance hit in some environments.
+	  if (typeof value == 'string') {
+	    return value;
+	  }
+	  if (isArray(value)) {
+	    // Recursively convert values (susceptible to call stack limits).
+	    return arrayMap(value, baseToString) + '';
+	  }
+	  if (isSymbol(value)) {
+	    return symbolToString ? symbolToString.call(value) : '';
+	  }
+	  var result = (value + '');
+	  return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;
+	}
+
+	/**
+	 * The base implementation of `_.slice` without an iteratee call guard.
+	 *
+	 * @private
+	 * @param {Array} array The array to slice.
+	 * @param {number} [start=0] The start position.
+	 * @param {number} [end=array.length] The end position.
+	 * @returns {Array} Returns the slice of `array`.
+	 */
+	function baseSlice(array, start, end) {
+	  var index = -1,
+	      length = array.length;
+
+	  if (start < 0) {
+	    start = -start > length ? 0 : (length + start);
+	  }
+	  end = end > length ? length : end;
+	  if (end < 0) {
+	    end += length;
+	  }
+	  length = start > end ? 0 : ((end - start) >>> 0);
+	  start >>>= 0;
+
+	  var result = Array(length);
+	  while (++index < length) {
+	    result[index] = array[index + start];
+	  }
+	  return result;
+	}
+
+	/**
+	 * Casts `array` to a slice if it's needed.
+	 *
+	 * @private
+	 * @param {Array} array The array to inspect.
+	 * @param {number} start The start position.
+	 * @param {number} [end=array.length] The end position.
+	 * @returns {Array} Returns the cast slice.
+	 */
+	function castSlice(array, start, end) {
+	  var length = array.length;
+	  end = end === undefined ? length : end;
+	  return (!start && end >= length) ? array : baseSlice(array, start, end);
+	}
+
+	/**
+	 * The base implementation of `_.findIndex` and `_.findLastIndex` without
+	 * support for iteratee shorthands.
+	 *
+	 * @private
+	 * @param {Array} array The array to inspect.
+	 * @param {Function} predicate The function invoked per iteration.
+	 * @param {number} fromIndex The index to search from.
+	 * @param {boolean} [fromRight] Specify iterating from right to left.
+	 * @returns {number} Returns the index of the matched value, else `-1`.
+	 */
+	function baseFindIndex(array, predicate, fromIndex, fromRight) {
+	  var length = array.length,
+	      index = fromIndex + (fromRight ? 1 : -1);
+
+	  while ((fromRight ? index-- : ++index < length)) {
+	    if (predicate(array[index], index, array)) {
+	      return index;
+	    }
+	  }
+	  return -1;
+	}
+
+	/**
+	 * The base implementation of `_.isNaN` without support for number objects.
+	 *
+	 * @private
+	 * @param {*} value The value to check.
+	 * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.
+	 */
+	function baseIsNaN(value) {
+	  return value !== value;
+	}
+
+	/**
+	 * A specialized version of `_.indexOf` which performs strict equality
+	 * comparisons of values, i.e. `===`.
+	 *
+	 * @private
+	 * @param {Array} array The array to inspect.
+	 * @param {*} value The value to search for.
+	 * @param {number} fromIndex The index to search from.
+	 * @returns {number} Returns the index of the matched value, else `-1`.
+	 */
+	function strictIndexOf(array, value, fromIndex) {
+	  var index = fromIndex - 1,
+	      length = array.length;
+
+	  while (++index < length) {
+	    if (array[index] === value) {
+	      return index;
+	    }
+	  }
+	  return -1;
+	}
+
+	/**
+	 * The base implementation of `_.indexOf` without `fromIndex` bounds checks.
+	 *
+	 * @private
+	 * @param {Array} array The array to inspect.
+	 * @param {*} value The value to search for.
+	 * @param {number} fromIndex The index to search from.
+	 * @returns {number} Returns the index of the matched value, else `-1`.
+	 */
+	function baseIndexOf(array, value, fromIndex) {
+	  return value === value
+	    ? strictIndexOf(array, value, fromIndex)
+	    : baseFindIndex(array, baseIsNaN, fromIndex);
+	}
+
+	/**
+	 * Used by `_.trim` and `_.trimEnd` to get the index of the last string symbol
+	 * that is not found in the character symbols.
+	 *
+	 * @private
+	 * @param {Array} strSymbols The string symbols to inspect.
+	 * @param {Array} chrSymbols The character symbols to find.
+	 * @returns {number} Returns the index of the last unmatched string symbol.
+	 */
+	function charsEndIndex(strSymbols, chrSymbols) {
+	  var index = strSymbols.length;
+
+	  while (index-- && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}
+	  return index;
+	}
+
+	/**
+	 * Used by `_.trim` and `_.trimStart` to get the index of the first string symbol
+	 * that is not found in the character symbols.
+	 *
+	 * @private
+	 * @param {Array} strSymbols The string symbols to inspect.
+	 * @param {Array} chrSymbols The character symbols to find.
+	 * @returns {number} Returns the index of the first unmatched string symbol.
+	 */
+	function charsStartIndex(strSymbols, chrSymbols) {
+	  var index = -1,
+	      length = strSymbols.length;
+
+	  while (++index < length && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}
+	  return index;
+	}
+
+	/**
+	 * Converts an ASCII `string` to an array.
+	 *
+	 * @private
+	 * @param {string} string The string to convert.
+	 * @returns {Array} Returns the converted array.
+	 */
+	function asciiToArray(string) {
+	  return string.split('');
+	}
+
+	/** Used to compose unicode character classes. */
+	var rsAstralRange = '\\ud800-\\udfff',
+	    rsComboMarksRange = '\\u0300-\\u036f',
+	    reComboHalfMarksRange = '\\ufe20-\\ufe2f',
+	    rsComboSymbolsRange = '\\u20d0-\\u20ff',
+	    rsComboRange = rsComboMarksRange + reComboHalfMarksRange + rsComboSymbolsRange,
+	    rsVarRange = '\\ufe0e\\ufe0f';
+
+	/** Used to compose unicode capture groups. */
+	var rsZWJ = '\\u200d';
+
+	/** Used to detect strings with [zero-width joiners or code points from the astral planes](http://eev.ee/blog/2015/09/12/dark-corners-of-unicode/). */
+	var reHasUnicode = RegExp('[' + rsZWJ + rsAstralRange  + rsComboRange + rsVarRange + ']');
+
+	/**
+	 * Checks if `string` contains Unicode symbols.
+	 *
+	 * @private
+	 * @param {string} string The string to inspect.
+	 * @returns {boolean} Returns `true` if a symbol is found, else `false`.
+	 */
+	function hasUnicode(string) {
+	  return reHasUnicode.test(string);
+	}
+
+	/** Used to compose unicode character classes. */
+	var rsAstralRange$1 = '\\ud800-\\udfff',
+	    rsComboMarksRange$1 = '\\u0300-\\u036f',
+	    reComboHalfMarksRange$1 = '\\ufe20-\\ufe2f',
+	    rsComboSymbolsRange$1 = '\\u20d0-\\u20ff',
+	    rsComboRange$1 = rsComboMarksRange$1 + reComboHalfMarksRange$1 + rsComboSymbolsRange$1,
+	    rsVarRange$1 = '\\ufe0e\\ufe0f';
+
+	/** Used to compose unicode capture groups. */
+	var rsAstral = '[' + rsAstralRange$1 + ']',
+	    rsCombo = '[' + rsComboRange$1 + ']',
+	    rsFitz = '\\ud83c[\\udffb-\\udfff]',
+	    rsModifier = '(?:' + rsCombo + '|' + rsFitz + ')',
+	    rsNonAstral = '[^' + rsAstralRange$1 + ']',
+	    rsRegional = '(?:\\ud83c[\\udde6-\\uddff]){2}',
+	    rsSurrPair = '[\\ud800-\\udbff][\\udc00-\\udfff]',
+	    rsZWJ$1 = '\\u200d';
+
+	/** Used to compose unicode regexes. */
+	var reOptMod = rsModifier + '?',
+	    rsOptVar = '[' + rsVarRange$1 + ']?',
+	    rsOptJoin = '(?:' + rsZWJ$1 + '(?:' + [rsNonAstral, rsRegional, rsSurrPair].join('|') + ')' + rsOptVar + reOptMod + ')*',
+	    rsSeq = rsOptVar + reOptMod + rsOptJoin,
+	    rsSymbol = '(?:' + [rsNonAstral + rsCombo + '?', rsCombo, rsRegional, rsSurrPair, rsAstral].join('|') + ')';
+
+	/** Used to match [string symbols](https://mathiasbynens.be/notes/javascript-unicode). */
+	var reUnicode = RegExp(rsFitz + '(?=' + rsFitz + ')|' + rsSymbol + rsSeq, 'g');
+
+	/**
+	 * Converts a Unicode `string` to an array.
+	 *
+	 * @private
+	 * @param {string} string The string to convert.
+	 * @returns {Array} Returns the converted array.
+	 */
+	function unicodeToArray(string) {
+	  return string.match(reUnicode) || [];
+	}
+
+	/**
+	 * Converts `string` to an array.
+	 *
+	 * @private
+	 * @param {string} string The string to convert.
+	 * @returns {Array} Returns the converted array.
+	 */
+	function stringToArray(string) {
+	  return hasUnicode(string)
+	    ? unicodeToArray(string)
+	    : asciiToArray(string);
+	}
+
+	/**
+	 * Converts `value` to a string. An empty string is returned for `null`
+	 * and `undefined` values. The sign of `-0` is preserved.
+	 *
+	 * @static
+	 * @memberOf _
+	 * @since 4.0.0
+	 * @category Lang
+	 * @param {*} value The value to convert.
+	 * @returns {string} Returns the converted string.
+	 * @example
+	 *
+	 * _.toString(null);
+	 * // => ''
+	 *
+	 * _.toString(-0);
+	 * // => '-0'
+	 *
+	 * _.toString([1, 2, 3]);
+	 * // => '1,2,3'
+	 */
+	function toString(value) {
+	  return value == null ? '' : baseToString(value);
+	}
+
+	/** Used to match leading and trailing whitespace. */
+	var reTrim = /^\s+|\s+$/g;
+
+	/**
+	 * Removes leading and trailing whitespace or specified characters from `string`.
+	 *
+	 * @static
+	 * @memberOf _
+	 * @since 3.0.0
+	 * @category String
+	 * @param {string} [string=''] The string to trim.
+	 * @param {string} [chars=whitespace] The characters to trim.
+	 * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+	 * @returns {string} Returns the trimmed string.
+	 * @example
+	 *
+	 * _.trim('  abc  ');
+	 * // => 'abc'
+	 *
+	 * _.trim('-_-abc-_-', '_-');
+	 * // => 'abc'
+	 *
+	 * _.map(['  foo  ', '  bar  '], _.trim);
+	 * // => ['foo', 'bar']
+	 */
+	function trim(string, chars, guard) {
+	  string = toString(string);
+	  if (string && (guard || chars === undefined)) {
+	    return string.replace(reTrim, '');
+	  }
+	  if (!string || !(chars = baseToString(chars))) {
+	    return string;
+	  }
+	  var strSymbols = stringToArray(string),
+	      chrSymbols = stringToArray(chars),
+	      start = charsStartIndex(strSymbols, chrSymbols),
+	      end = charsEndIndex(strSymbols, chrSymbols) + 1;
+
+	  return castSlice(strSymbols, start, end).join('');
+	}
+
+	/**
+	 * Checks if `value` is `undefined`.
+	 *
+	 * @static
+	 * @since 0.1.0
+	 * @memberOf _
+	 * @category Lang
+	 * @param {*} value The value to check.
+	 * @returns {boolean} Returns `true` if `value` is `undefined`, else `false`.
+	 * @example
+	 *
+	 * _.isUndefined(void 0);
+	 * // => true
+	 *
+	 * _.isUndefined(null);
+	 * // => false
+	 */
+	function isUndefined(value) {
+	  return value === undefined;
+	}
+
+	/** `Object#toString` result references. */
+	var boolTag = '[object Boolean]';
+
+	/**
+	 * Checks if `value` is classified as a boolean primitive or object.
+	 *
+	 * @static
+	 * @memberOf _
+	 * @since 0.1.0
+	 * @category Lang
+	 * @param {*} value The value to check.
+	 * @returns {boolean} Returns `true` if `value` is a boolean, else `false`.
+	 * @example
+	 *
+	 * _.isBoolean(false);
+	 * // => true
+	 *
+	 * _.isBoolean(null);
+	 * // => false
+	 */
+	function isBoolean(value) {
+	  return value === true || value === false ||
+	    (isObjectLike(value) && baseGetTag(value) == boolTag);
+	}
+
+	/** `Object#toString` result references. */
+	var numberTag = '[object Number]';
+
+	/**
+	 * Checks if `value` is classified as a `Number` primitive or object.
+	 *
+	 * **Note:** To exclude `Infinity`, `-Infinity`, and `NaN`, which are
+	 * classified as numbers, use the `_.isFinite` method.
+	 *
+	 * @static
+	 * @memberOf _
+	 * @since 0.1.0
+	 * @category Lang
+	 * @param {*} value The value to check.
+	 * @returns {boolean} Returns `true` if `value` is a number, else `false`.
+	 * @example
+	 *
+	 * _.isNumber(3);
+	 * // => true
+	 *
+	 * _.isNumber(Number.MIN_VALUE);
+	 * // => true
+	 *
+	 * _.isNumber(Infinity);
+	 * // => true
+	 *
+	 * _.isNumber('3');
+	 * // => false
+	 */
+	function isNumber(value) {
+	  return typeof value == 'number' ||
+	    (isObjectLike(value) && baseGetTag(value) == numberTag);
+	}
+
+	/**
+	 * Checks if `value` is `NaN`.
+	 *
+	 * **Note:** This method is based on
+	 * [`Number.isNaN`](https://mdn.io/Number/isNaN) and is not the same as
+	 * global [`isNaN`](https://mdn.io/isNaN) which returns `true` for
+	 * `undefined` and other non-number values.
+	 *
+	 * @static
+	 * @memberOf _
+	 * @since 0.1.0
+	 * @category Lang
+	 * @param {*} value The value to check.
+	 * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.
+	 * @example
+	 *
+	 * _.isNaN(NaN);
+	 * // => true
+	 *
+	 * _.isNaN(new Number(NaN));
+	 * // => true
+	 *
+	 * isNaN(undefined);
+	 * // => true
+	 *
+	 * _.isNaN(undefined);
+	 * // => false
+	 */
+	function isNaN$1(value) {
+	  // An `NaN` primitive is the only value that is not equal to itself.
+	  // Perform the `toStringTag` check first to avoid errors with some
+	  // ActiveX objects in IE.
+	  return isNumber(value) && value != +value;
+	}
+
+	/** `Object#toString` result references. */
+	var stringTag = '[object String]';
+
+	/**
+	 * Checks if `value` is classified as a `String` primitive or object.
+	 *
+	 * @static
+	 * @since 0.1.0
+	 * @memberOf _
+	 * @category Lang
+	 * @param {*} value The value to check.
+	 * @returns {boolean} Returns `true` if `value` is a string, else `false`.
+	 * @example
+	 *
+	 * _.isString('abc');
+	 * // => true
+	 *
+	 * _.isString(1);
+	 * // => false
+	 */
+	function isString(value) {
+	  return typeof value == 'string' ||
+	    (!isArray(value) && isObjectLike(value) && baseGetTag(value) == stringTag);
+	}
+
+	/**
+	 * Creates a unary function that invokes `func` with its argument transformed.
+	 *
+	 * @private
+	 * @param {Function} func The function to wrap.
+	 * @param {Function} transform The argument transform.
+	 * @returns {Function} Returns the new function.
+	 */
+	function overArg(func, transform) {
+	  return function(arg) {
+	    return func(transform(arg));
+	  };
+	}
+
+	/** Built-in value references. */
+	var getPrototype = overArg(Object.getPrototypeOf, Object);
+
+	/** `Object#toString` result references. */
+	var objectTag = '[object Object]';
+
+	/** Used for built-in method references. */
+	var funcProto = Function.prototype,
+	    objectProto$2 = Object.prototype;
+
+	/** Used to resolve the decompiled source of functions. */
+	var funcToString = funcProto.toString;
+
+	/** Used to check objects for own properties. */
+	var hasOwnProperty$1 = objectProto$2.hasOwnProperty;
+
+	/** Used to infer the `Object` constructor. */
+	var objectCtorString = funcToString.call(Object);
+
+	/**
+	 * Checks if `value` is a plain object, that is, an object created by the
+	 * `Object` constructor or one with a `[[Prototype]]` of `null`.
+	 *
+	 * @static
+	 * @memberOf _
+	 * @since 0.8.0
+	 * @category Lang
+	 * @param {*} value The value to check.
+	 * @returns {boolean} Returns `true` if `value` is a plain object, else `false`.
+	 * @example
+	 *
+	 * function Foo() {
+	 *   this.a = 1;
+	 * }
+	 *
+	 * _.isPlainObject(new Foo);
+	 * // => false
+	 *
+	 * _.isPlainObject([1, 2, 3]);
+	 * // => false
+	 *
+	 * _.isPlainObject({ 'x': 0, 'y': 0 });
+	 * // => true
+	 *
+	 * _.isPlainObject(Object.create(null));
+	 * // => true
+	 */
+	function isPlainObject(value) {
+	  if (!isObjectLike(value) || baseGetTag(value) != objectTag) {
+	    return false;
+	  }
+	  var proto = getPrototype(value);
+	  if (proto === null) {
+	    return true;
+	  }
+	  var Ctor = hasOwnProperty$1.call(proto, 'constructor') && proto.constructor;
+	  return typeof Ctor == 'function' && Ctor instanceof Ctor &&
+	    funcToString.call(Ctor) == objectCtorString;
+	}
+
+	/**
+	 * A specialized version of `_.filter` for arrays without support for
+	 * iteratee shorthands.
+	 *
+	 * @private
+	 * @param {Array} [array] The array to iterate over.
+	 * @param {Function} predicate The function invoked per iteration.
+	 * @returns {Array} Returns the new filtered array.
+	 */
+	function arrayFilter(array, predicate) {
+	  var index = -1,
+	      length = array == null ? 0 : array.length,
+	      resIndex = 0,
+	      result = [];
+
+	  while (++index < length) {
+	    var value = array[index];
+	    if (predicate(value, index, array)) {
+	      result[resIndex++] = value;
+	    }
+	  }
+	  return result;
+	}
+
+	/**
+	 * Creates a base function for methods like `_.forIn` and `_.forOwn`.
+	 *
+	 * @private
+	 * @param {boolean} [fromRight] Specify iterating from right to left.
+	 * @returns {Function} Returns the new base function.
+	 */
+	function createBaseFor(fromRight) {
+	  return function(object, iteratee, keysFunc) {
+	    var index = -1,
+	        iterable = Object(object),
+	        props = keysFunc(object),
+	        length = props.length;
+
+	    while (length--) {
+	      var key = props[fromRight ? length : ++index];
+	      if (iteratee(iterable[key], key, iterable) === false) {
+	        break;
+	      }
+	    }
+	    return object;
+	  };
+	}
+
+	/**
+	 * The base implementation of `baseForOwn` which iterates over `object`
+	 * properties returned by `keysFunc` and invokes `iteratee` for each property.
+	 * Iteratee functions may exit iteration early by explicitly returning `false`.
+	 *
+	 * @private
+	 * @param {Object} object The object to iterate over.
+	 * @param {Function} iteratee The function invoked per iteration.
+	 * @param {Function} keysFunc The function to get the keys of `object`.
+	 * @returns {Object} Returns `object`.
+	 */
+	var baseFor = createBaseFor();
+
+	/**
+	 * The base implementation of `_.times` without support for iteratee shorthands
+	 * or max array length checks.
+	 *
+	 * @private
+	 * @param {number} n The number of times to invoke `iteratee`.
+	 * @param {Function} iteratee The function invoked per iteration.
+	 * @returns {Array} Returns the array of results.
+	 */
+	function baseTimes(n, iteratee) {
+	  var index = -1,
+	      result = Array(n);
+
+	  while (++index < n) {
+	    result[index] = iteratee(index);
+	  }
+	  return result;
+	}
+
+	/** `Object#toString` result references. */
+	var argsTag = '[object Arguments]';
+
+	/**
+	 * The base implementation of `_.isArguments`.
+	 *
+	 * @private
+	 * @param {*} value The value to check.
+	 * @returns {boolean} Returns `true` if `value` is an `arguments` object,
+	 */
+	function baseIsArguments(value) {
+	  return isObjectLike(value) && baseGetTag(value) == argsTag;
+	}
+
+	/** Used for built-in method references. */
+	var objectProto$3 = Object.prototype;
+
+	/** Used to check objects for own properties. */
+	var hasOwnProperty$2 = objectProto$3.hasOwnProperty;
+
+	/** Built-in value references. */
+	var propertyIsEnumerable = objectProto$3.propertyIsEnumerable;
+
+	/**
+	 * Checks if `value` is likely an `arguments` object.
+	 *
+	 * @static
+	 * @memberOf _
+	 * @since 0.1.0
+	 * @category Lang
+	 * @param {*} value The value to check.
+	 * @returns {boolean} Returns `true` if `value` is an `arguments` object,
+	 *  else `false`.
+	 * @example
+	 *
+	 * _.isArguments(function() { return arguments; }());
+	 * // => true
+	 *
+	 * _.isArguments([1, 2, 3]);
+	 * // => false
+	 */
+	var isArguments = baseIsArguments(function() { return arguments; }()) ? baseIsArguments : function(value) {
+	  return isObjectLike(value) && hasOwnProperty$2.call(value, 'callee') &&
+	    !propertyIsEnumerable.call(value, 'callee');
+	};
+
+	/**
+	 * This method returns `false`.
+	 *
+	 * @static
+	 * @memberOf _
+	 * @since 4.13.0
+	 * @category Util
+	 * @returns {boolean} Returns `false`.
+	 * @example
+	 *
+	 * _.times(2, _.stubFalse);
+	 * // => [false, false]
+	 */
+	function stubFalse() {
+	  return false;
+	}
+
+	/** Detect free variable `exports`. */
+	var freeExports = typeof exports == 'object' && exports && !exports.nodeType && exports;
+
+	/** Detect free variable `module`. */
+	var freeModule = freeExports && typeof module == 'object' && module && !module.nodeType && module;
+
+	/** Detect the popular CommonJS extension `module.exports`. */
+	var moduleExports = freeModule && freeModule.exports === freeExports;
+
+	/** Built-in value references. */
+	var Buffer = moduleExports ? root.Buffer : undefined;
+
+	/* Built-in method references for those with the same name as other `lodash` methods. */
+	var nativeIsBuffer = Buffer ? Buffer.isBuffer : undefined;
+
+	/**
+	 * Checks if `value` is a buffer.
+	 *
+	 * @static
+	 * @memberOf _
+	 * @since 4.3.0
+	 * @category Lang
+	 * @param {*} value The value to check.
+	 * @returns {boolean} Returns `true` if `value` is a buffer, else `false`.
+	 * @example
+	 *
+	 * _.isBuffer(new Buffer(2));
+	 * // => true
+	 *
+	 * _.isBuffer(new Uint8Array(2));
+	 * // => false
+	 */
+	var isBuffer = nativeIsBuffer || stubFalse;
+
+	/** Used as references for various `Number` constants. */
+	var MAX_SAFE_INTEGER = 9007199254740991;
+
+	/** Used to detect unsigned integer values. */
+	var reIsUint = /^(?:0|[1-9]\d*)$/;
+
+	/**
+	 * Checks if `value` is a valid array-like index.
+	 *
+	 * @private
+	 * @param {*} value The value to check.
+	 * @param {number} [length=MAX_SAFE_INTEGER] The upper bounds of a valid index.
+	 * @returns {boolean} Returns `true` if `value` is a valid index, else `false`.
+	 */
+	function isIndex(value, length) {
+	  var type = typeof value;
+	  length = length == null ? MAX_SAFE_INTEGER : length;
+
+	  return !!length &&
+	    (type == 'number' ||
+	      (type != 'symbol' && reIsUint.test(value))) &&
+	        (value > -1 && value % 1 == 0 && value < length);
+	}
+
+	/** Used as references for various `Number` constants. */
+	var MAX_SAFE_INTEGER$1 = 9007199254740991;
+
+	/**
+	 * Checks if `value` is a valid array-like length.
+	 *
+	 * **Note:** This method is loosely based on
+	 * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).
+	 *
+	 * @static
+	 * @memberOf _
+	 * @since 4.0.0
+	 * @category Lang
+	 * @param {*} value The value to check.
+	 * @returns {boolean} Returns `true` if `value` is a valid length, else `false`.
+	 * @example
+	 *
+	 * _.isLength(3);
+	 * // => true
+	 *
+	 * _.isLength(Number.MIN_VALUE);
+	 * // => false
+	 *
+	 * _.isLength(Infinity);
+	 * // => false
+	 *
+	 * _.isLength('3');
+	 * // => false
+	 */
+	function isLength(value) {
+	  return typeof value == 'number' &&
+	    value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER$1;
+	}
+
+	/** `Object#toString` result references. */
+	var argsTag$1 = '[object Arguments]',
+	    arrayTag = '[object Array]',
+	    boolTag$1 = '[object Boolean]',
+	    dateTag = '[object Date]',
+	    errorTag = '[object Error]',
+	    funcTag = '[object Function]',
+	    mapTag = '[object Map]',
+	    numberTag$1 = '[object Number]',
+	    objectTag$1 = '[object Object]',
+	    regexpTag = '[object RegExp]',
+	    setTag = '[object Set]',
+	    stringTag$1 = '[object String]',
+	    weakMapTag = '[object WeakMap]';
+
+	var arrayBufferTag = '[object ArrayBuffer]',
+	    dataViewTag = '[object DataView]',
+	    float32Tag = '[object Float32Array]',
+	    float64Tag = '[object Float64Array]',
+	    int8Tag = '[object Int8Array]',
+	    int16Tag = '[object Int16Array]',
+	    int32Tag = '[object Int32Array]',
+	    uint8Tag = '[object Uint8Array]',
+	    uint8ClampedTag = '[object Uint8ClampedArray]',
+	    uint16Tag = '[object Uint16Array]',
+	    uint32Tag = '[object Uint32Array]';
+
+	/** Used to identify `toStringTag` values of typed arrays. */
+	var typedArrayTags = {};
+	typedArrayTags[float32Tag] = typedArrayTags[float64Tag] =
+	typedArrayTags[int8Tag] = typedArrayTags[int16Tag] =
+	typedArrayTags[int32Tag] = typedArrayTags[uint8Tag] =
+	typedArrayTags[uint8ClampedTag] = typedArrayTags[uint16Tag] =
+	typedArrayTags[uint32Tag] = true;
+	typedArrayTags[argsTag$1] = typedArrayTags[arrayTag] =
+	typedArrayTags[arrayBufferTag] = typedArrayTags[boolTag$1] =
+	typedArrayTags[dataViewTag] = typedArrayTags[dateTag] =
+	typedArrayTags[errorTag] = typedArrayTags[funcTag] =
+	typedArrayTags[mapTag] = typedArrayTags[numberTag$1] =
+	typedArrayTags[objectTag$1] = typedArrayTags[regexpTag] =
+	typedArrayTags[setTag] = typedArrayTags[stringTag$1] =
+	typedArrayTags[weakMapTag] = false;
+
+	/**
+	 * The base implementation of `_.isTypedArray` without Node.js optimizations.
+	 *
+	 * @private
+	 * @param {*} value The value to check.
+	 * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.
+	 */
+	function baseIsTypedArray(value) {
+	  return isObjectLike(value) &&
+	    isLength(value.length) && !!typedArrayTags[baseGetTag(value)];
+	}
+
+	/**
+	 * The base implementation of `_.unary` without support for storing metadata.
+	 *
+	 * @private
+	 * @param {Function} func The function to cap arguments for.
+	 * @returns {Function} Returns the new capped function.
+	 */
+	function baseUnary(func) {
+	  return function(value) {
+	    return func(value);
+	  };
+	}
+
+	/** Detect free variable `exports`. */
+	var freeExports$1 = typeof exports == 'object' && exports && !exports.nodeType && exports;
+
+	/** Detect free variable `module`. */
+	var freeModule$1 = freeExports$1 && typeof module == 'object' && module && !module.nodeType && module;
+
+	/** Detect the popular CommonJS extension `module.exports`. */
+	var moduleExports$1 = freeModule$1 && freeModule$1.exports === freeExports$1;
+
+	/** Detect free variable `process` from Node.js. */
+	var freeProcess = moduleExports$1 && freeGlobal.process;
+
+	/** Used to access faster Node.js helpers. */
+	var nodeUtil = (function() {
+	  try {
+	    // Use `util.types` for Node.js 10+.
+	    var types = freeModule$1 && freeModule$1.require && freeModule$1.require('util').types;
+
+	    if (types) {
+	      return types;
+	    }
+
+	    // Legacy `process.binding('util')` for Node.js < 10.
+	    return freeProcess && freeProcess.binding && freeProcess.binding('util');
+	  } catch (e) {}
+	}());
+
+	/* Node.js helper references. */
+	var nodeIsTypedArray = nodeUtil && nodeUtil.isTypedArray;
+
+	/**
+	 * Checks if `value` is classified as a typed array.
+	 *
+	 * @static
+	 * @memberOf _
+	 * @since 3.0.0
+	 * @category Lang
+	 * @param {*} value The value to check.
+	 * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.
+	 * @example
+	 *
+	 * _.isTypedArray(new Uint8Array);
+	 * // => true
+	 *
+	 * _.isTypedArray([]);
+	 * // => false
+	 */
+	var isTypedArray = nodeIsTypedArray ? baseUnary(nodeIsTypedArray) : baseIsTypedArray;
+
+	/** Used for built-in method references. */
+	var objectProto$4 = Object.prototype;
+
+	/** Used to check objects for own properties. */
+	var hasOwnProperty$3 = objectProto$4.hasOwnProperty;
+
+	/**
+	 * Creates an array of the enumerable property names of the array-like `value`.
+	 *
+	 * @private
+	 * @param {*} value The value to query.
+	 * @param {boolean} inherited Specify returning inherited property names.
+	 * @returns {Array} Returns the array of property names.
+	 */
+	function arrayLikeKeys(value, inherited) {
+	  var isArr = isArray(value),
+	      isArg = !isArr && isArguments(value),
+	      isBuff = !isArr && !isArg && isBuffer(value),
+	      isType = !isArr && !isArg && !isBuff && isTypedArray(value),
+	      skipIndexes = isArr || isArg || isBuff || isType,
+	      result = skipIndexes ? baseTimes(value.length, String) : [],
+	      length = result.length;
+
+	  for (var key in value) {
+	    if ((inherited || hasOwnProperty$3.call(value, key)) &&
+	        !(skipIndexes && (
+	           // Safari 9 has enumerable `arguments.length` in strict mode.
+	           key == 'length' ||
+	           // Node.js 0.10 has enumerable non-index properties on buffers.
+	           (isBuff && (key == 'offset' || key == 'parent')) ||
+	           // PhantomJS 2 has enumerable non-index properties on typed arrays.
+	           (isType && (key == 'buffer' || key == 'byteLength' || key == 'byteOffset')) ||
+	           // Skip index properties.
+	           isIndex(key, length)
+	        ))) {
+	      result.push(key);
+	    }
+	  }
+	  return result;
+	}
+
+	/** Used for built-in method references. */
+	var objectProto$5 = Object.prototype;
+
+	/**
+	 * Checks if `value` is likely a prototype object.
+	 *
+	 * @private
+	 * @param {*} value The value to check.
+	 * @returns {boolean} Returns `true` if `value` is a prototype, else `false`.
+	 */
+	function isPrototype(value) {
+	  var Ctor = value && value.constructor,
+	      proto = (typeof Ctor == 'function' && Ctor.prototype) || objectProto$5;
+
+	  return value === proto;
+	}
+
+	/* Built-in method references for those with the same name as other `lodash` methods. */
+	var nativeKeys = overArg(Object.keys, Object);
+
+	/** Used for built-in method references. */
+	var objectProto$6 = Object.prototype;
+
+	/** Used to check objects for own properties. */
+	var hasOwnProperty$4 = objectProto$6.hasOwnProperty;
+
+	/**
+	 * The base implementation of `_.keys` which doesn't treat sparse arrays as dense.
+	 *
+	 * @private
+	 * @param {Object} object The object to query.
+	 * @returns {Array} Returns the array of property names.
+	 */
+	function baseKeys(object) {
+	  if (!isPrototype(object)) {
+	    return nativeKeys(object);
+	  }
+	  var result = [];
+	  for (var key in Object(object)) {
+	    if (hasOwnProperty$4.call(object, key) && key != 'constructor') {
+	      result.push(key);
+	    }
+	  }
+	  return result;
+	}
+
+	/**
+	 * Checks if `value` is the
+	 * [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types)
+	 * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)
+	 *
+	 * @static
+	 * @memberOf _
+	 * @since 0.1.0
+	 * @category Lang
+	 * @param {*} value The value to check.
+	 * @returns {boolean} Returns `true` if `value` is an object, else `false`.
+	 * @example
+	 *
+	 * _.isObject({});
+	 * // => true
+	 *
+	 * _.isObject([1, 2, 3]);
+	 * // => true
+	 *
+	 * _.isObject(_.noop);
+	 * // => true
+	 *
+	 * _.isObject(null);
+	 * // => false
+	 */
+	function isObject(value) {
+	  var type = typeof value;
+	  return value != null && (type == 'object' || type == 'function');
+	}
+
+	/** `Object#toString` result references. */
+	var asyncTag = '[object AsyncFunction]',
+	    funcTag$1 = '[object Function]',
+	    genTag = '[object GeneratorFunction]',
+	    proxyTag = '[object Proxy]';
+
+	/**
+	 * Checks if `value` is classified as a `Function` object.
+	 *
+	 * @static
+	 * @memberOf _
+	 * @since 0.1.0
+	 * @category Lang
+	 * @param {*} value The value to check.
+	 * @returns {boolean} Returns `true` if `value` is a function, else `false`.
+	 * @example
+	 *
+	 * _.isFunction(_);
+	 * // => true
+	 *
+	 * _.isFunction(/abc/);
+	 * // => false
+	 */
+	function isFunction(value) {
+	  if (!isObject(value)) {
+	    return false;
+	  }
+	  // The use of `Object#toString` avoids issues with the `typeof` operator
+	  // in Safari 9 which returns 'object' for typed arrays and other constructors.
+	  var tag = baseGetTag(value);
+	  return tag == funcTag$1 || tag == genTag || tag == asyncTag || tag == proxyTag;
+	}
+
+	/**
+	 * Checks if `value` is array-like. A value is considered array-like if it's
+	 * not a function and has a `value.length` that's an integer greater than or
+	 * equal to `0` and less than or equal to `Number.MAX_SAFE_INTEGER`.
+	 *
+	 * @static
+	 * @memberOf _
+	 * @since 4.0.0
+	 * @category Lang
+	 * @param {*} value The value to check.
+	 * @returns {boolean} Returns `true` if `value` is array-like, else `false`.
+	 * @example
+	 *
+	 * _.isArrayLike([1, 2, 3]);
+	 * // => true
+	 *
+	 * _.isArrayLike(document.body.children);
+	 * // => true
+	 *
+	 * _.isArrayLike('abc');
+	 * // => true
+	 *
+	 * _.isArrayLike(_.noop);
+	 * // => false
+	 */
+	function isArrayLike(value) {
+	  return value != null && isLength(value.length) && !isFunction(value);
+	}
+
+	/**
+	 * Creates an array of the own enumerable property names of `object`.
+	 *
+	 * **Note:** Non-object values are coerced to objects. See the
+	 * [ES spec](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)
+	 * for more details.
+	 *
+	 * @static
+	 * @since 0.1.0
+	 * @memberOf _
+	 * @category Object
+	 * @param {Object} object The object to query.
+	 * @returns {Array} Returns the array of property names.
+	 * @example
+	 *
+	 * function Foo() {
+	 *   this.a = 1;
+	 *   this.b = 2;
+	 * }
+	 *
+	 * Foo.prototype.c = 3;
+	 *
+	 * _.keys(new Foo);
+	 * // => ['a', 'b'] (iteration order is not guaranteed)
+	 *
+	 * _.keys('hi');
+	 * // => ['0', '1']
+	 */
+	function keys(object) {
+	  return isArrayLike(object) ? arrayLikeKeys(object) : baseKeys(object);
+	}
+
+	/**
+	 * The base implementation of `_.forOwn` without support for iteratee shorthands.
+	 *
+	 * @private
+	 * @param {Object} object The object to iterate over.
+	 * @param {Function} iteratee The function invoked per iteration.
+	 * @returns {Object} Returns `object`.
+	 */
+	function baseForOwn(object, iteratee) {
+	  return object && baseFor(object, iteratee, keys);
+	}
+
+	/**
+	 * Removes all key-value entries from the list cache.
+	 *
+	 * @private
+	 * @name clear
+	 * @memberOf ListCache
+	 */
+	function listCacheClear() {
+	  this.__data__ = [];
+	  this.size = 0;
+	}
+
+	/**
+	 * Performs a
+	 * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
+	 * comparison between two values to determine if they are equivalent.
+	 *
+	 * @static
+	 * @memberOf _
+	 * @since 4.0.0
+	 * @category Lang
+	 * @param {*} value The value to compare.
+	 * @param {*} other The other value to compare.
+	 * @returns {boolean} Returns `true` if the values are equivalent, else `false`.
+	 * @example
+	 *
+	 * var object = { 'a': 1 };
+	 * var other = { 'a': 1 };
+	 *
+	 * _.eq(object, object);
+	 * // => true
+	 *
+	 * _.eq(object, other);
+	 * // => false
+	 *
+	 * _.eq('a', 'a');
+	 * // => true
+	 *
+	 * _.eq('a', Object('a'));
+	 * // => false
+	 *
+	 * _.eq(NaN, NaN);
+	 * // => true
+	 */
+	function eq(value, other) {
+	  return value === other || (value !== value && other !== other);
+	}
+
+	/**
+	 * Gets the index at which the `key` is found in `array` of key-value pairs.
+	 *
+	 * @private
+	 * @param {Array} array The array to inspect.
+	 * @param {*} key The key to search for.
+	 * @returns {number} Returns the index of the matched value, else `-1`.
+	 */
+	function assocIndexOf(array, key) {
+	  var length = array.length;
+	  while (length--) {
+	    if (eq(array[length][0], key)) {
+	      return length;
+	    }
+	  }
+	  return -1;
+	}
+
+	/** Used for built-in method references. */
+	var arrayProto = Array.prototype;
+
+	/** Built-in value references. */
+	var splice = arrayProto.splice;
+
+	/**
+	 * Removes `key` and its value from the list cache.
+	 *
+	 * @private
+	 * @name delete
+	 * @memberOf ListCache
+	 * @param {string} key The key of the value to remove.
+	 * @returns {boolean} Returns `true` if the entry was removed, else `false`.
+	 */
+	function listCacheDelete(key) {
+	  var data = this.__data__,
+	      index = assocIndexOf(data, key);
+
+	  if (index < 0) {
+	    return false;
+	  }
+	  var lastIndex = data.length - 1;
+	  if (index == lastIndex) {
+	    data.pop();
+	  } else {
+	    splice.call(data, index, 1);
+	  }
+	  --this.size;
+	  return true;
+	}
+
+	/**
+	 * Gets the list cache value for `key`.
+	 *
+	 * @private
+	 * @name get
+	 * @memberOf ListCache
+	 * @param {string} key The key of the value to get.
+	 * @returns {*} Returns the entry value.
+	 */
+	function listCacheGet(key) {
+	  var data = this.__data__,
+	      index = assocIndexOf(data, key);
+
+	  return index < 0 ? undefined : data[index][1];
+	}
+
+	/**
+	 * Checks if a list cache value for `key` exists.
+	 *
+	 * @private
+	 * @name has
+	 * @memberOf ListCache
+	 * @param {string} key The key of the entry to check.
+	 * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
+	 */
+	function listCacheHas(key) {
+	  return assocIndexOf(this.__data__, key) > -1;
+	}
+
+	/**
+	 * Sets the list cache `key` to `value`.
+	 *
+	 * @private
+	 * @name set
+	 * @memberOf ListCache
+	 * @param {string} key The key of the value to set.
+	 * @param {*} value The value to set.
+	 * @returns {Object} Returns the list cache instance.
+	 */
+	function listCacheSet(key, value) {
+	  var data = this.__data__,
+	      index = assocIndexOf(data, key);
+
+	  if (index < 0) {
+	    ++this.size;
+	    data.push([key, value]);
+	  } else {
+	    data[index][1] = value;
+	  }
+	  return this;
+	}
+
+	/**
+	 * Creates an list cache object.
+	 *
+	 * @private
+	 * @constructor
+	 * @param {Array} [entries] The key-value pairs to cache.
+	 */
+	function ListCache(entries) {
+	  var index = -1,
+	      length = entries == null ? 0 : entries.length;
+
+	  this.clear();
+	  while (++index < length) {
+	    var entry = entries[index];
+	    this.set(entry[0], entry[1]);
+	  }
+	}
+
+	// Add methods to `ListCache`.
+	ListCache.prototype.clear = listCacheClear;
+	ListCache.prototype['delete'] = listCacheDelete;
+	ListCache.prototype.get = listCacheGet;
+	ListCache.prototype.has = listCacheHas;
+	ListCache.prototype.set = listCacheSet;
+
+	/**
+	 * Removes all key-value entries from the stack.
+	 *
+	 * @private
+	 * @name clear
+	 * @memberOf Stack
+	 */
+	function stackClear() {
+	  this.__data__ = new ListCache;
+	  this.size = 0;
+	}
+
+	/**
+	 * Removes `key` and its value from the stack.
+	 *
+	 * @private
+	 * @name delete
+	 * @memberOf Stack
+	 * @param {string} key The key of the value to remove.
+	 * @returns {boolean} Returns `true` if the entry was removed, else `false`.
+	 */
+	function stackDelete(key) {
+	  var data = this.__data__,
+	      result = data['delete'](key);
+
+	  this.size = data.size;
+	  return result;
+	}
+
+	/**
+	 * Gets the stack value for `key`.
+	 *
+	 * @private
+	 * @name get
+	 * @memberOf Stack
+	 * @param {string} key The key of the value to get.
+	 * @returns {*} Returns the entry value.
+	 */
+	function stackGet(key) {
+	  return this.__data__.get(key);
+	}
+
+	/**
+	 * Checks if a stack value for `key` exists.
+	 *
+	 * @private
+	 * @name has
+	 * @memberOf Stack
+	 * @param {string} key The key of the entry to check.
+	 * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
+	 */
+	function stackHas(key) {
+	  return this.__data__.has(key);
+	}
+
+	/** Used to detect overreaching core-js shims. */
+	var coreJsData = root['__core-js_shared__'];
+
+	/** Used to detect methods masquerading as native. */
+	var maskSrcKey = (function() {
+	  var uid = /[^.]+$/.exec(coreJsData && coreJsData.keys && coreJsData.keys.IE_PROTO || '');
+	  return uid ? ('Symbol(src)_1.' + uid) : '';
+	}());
+
+	/**
+	 * Checks if `func` has its source masked.
+	 *
+	 * @private
+	 * @param {Function} func The function to check.
+	 * @returns {boolean} Returns `true` if `func` is masked, else `false`.
+	 */
+	function isMasked(func) {
+	  return !!maskSrcKey && (maskSrcKey in func);
+	}
+
+	/** Used for built-in method references. */
+	var funcProto$1 = Function.prototype;
+
+	/** Used to resolve the decompiled source of functions. */
+	var funcToString$1 = funcProto$1.toString;
+
+	/**
+	 * Converts `func` to its source code.
+	 *
+	 * @private
+	 * @param {Function} func The function to convert.
+	 * @returns {string} Returns the source code.
+	 */
+	function toSource(func) {
+	  if (func != null) {
+	    try {
+	      return funcToString$1.call(func);
+	    } catch (e) {}
+	    try {
+	      return (func + '');
+	    } catch (e) {}
+	  }
+	  return '';
+	}
+
+	/**
+	 * Used to match `RegExp`
+	 * [syntax characters](http://ecma-international.org/ecma-262/7.0/#sec-patterns).
+	 */
+	var reRegExpChar = /[\\^$.*+?()[\]{}|]/g;
+
+	/** Used to detect host constructors (Safari). */
+	var reIsHostCtor = /^\[object .+?Constructor\]$/;
+
+	/** Used for built-in method references. */
+	var funcProto$2 = Function.prototype,
+	    objectProto$7 = Object.prototype;
+
+	/** Used to resolve the decompiled source of functions. */
+	var funcToString$2 = funcProto$2.toString;
+
+	/** Used to check objects for own properties. */
+	var hasOwnProperty$5 = objectProto$7.hasOwnProperty;
+
+	/** Used to detect if a method is native. */
+	var reIsNative = RegExp('^' +
+	  funcToString$2.call(hasOwnProperty$5).replace(reRegExpChar, '\\$&')
+	  .replace(/hasOwnProperty|(function).*?(?=\\\()| for .+?(?=\\\])/g, '$1.*?') + '$'
+	);
+
+	/**
+	 * The base implementation of `_.isNative` without bad shim checks.
+	 *
+	 * @private
+	 * @param {*} value The value to check.
+	 * @returns {boolean} Returns `true` if `value` is a native function,
+	 *  else `false`.
+	 */
+	function baseIsNative(value) {
+	  if (!isObject(value) || isMasked(value)) {
+	    return false;
+	  }
+	  var pattern = isFunction(value) ? reIsNative : reIsHostCtor;
+	  return pattern.test(toSource(value));
+	}
+
+	/**
+	 * Gets the value at `key` of `object`.
+	 *
+	 * @private
+	 * @param {Object} [object] The object to query.
+	 * @param {string} key The key of the property to get.
+	 * @returns {*} Returns the property value.
+	 */
+	function getValue(object, key) {
+	  return object == null ? undefined : object[key];
+	}
+
+	/**
+	 * Gets the native function at `key` of `object`.
+	 *
+	 * @private
+	 * @param {Object} object The object to query.
+	 * @param {string} key The key of the method to get.
+	 * @returns {*} Returns the function if it's native, else `undefined`.
+	 */
+	function getNative(object, key) {
+	  var value = getValue(object, key);
+	  return baseIsNative(value) ? value : undefined;
+	}
+
+	/* Built-in method references that are verified to be native. */
+	var Map$1 = getNative(root, 'Map');
+
+	/* Built-in method references that are verified to be native. */
+	var nativeCreate = getNative(Object, 'create');
+
+	/**
+	 * Removes all key-value entries from the hash.
+	 *
+	 * @private
+	 * @name clear
+	 * @memberOf Hash
+	 */
+	function hashClear() {
+	  this.__data__ = nativeCreate ? nativeCreate(null) : {};
+	  this.size = 0;
+	}
+
+	/**
+	 * Removes `key` and its value from the hash.
+	 *
+	 * @private
+	 * @name delete
+	 * @memberOf Hash
+	 * @param {Object} hash The hash to modify.
+	 * @param {string} key The key of the value to remove.
+	 * @returns {boolean} Returns `true` if the entry was removed, else `false`.
+	 */
+	function hashDelete(key) {
+	  var result = this.has(key) && delete this.__data__[key];
+	  this.size -= result ? 1 : 0;
+	  return result;
+	}
+
+	/** Used to stand-in for `undefined` hash values. */
+	var HASH_UNDEFINED = '__lodash_hash_undefined__';
+
+	/** Used for built-in method references. */
+	var objectProto$8 = Object.prototype;
+
+	/** Used to check objects for own properties. */
+	var hasOwnProperty$6 = objectProto$8.hasOwnProperty;
+
+	/**
+	 * Gets the hash value for `key`.
+	 *
+	 * @private
+	 * @name get
+	 * @memberOf Hash
+	 * @param {string} key The key of the value to get.
+	 * @returns {*} Returns the entry value.
+	 */
+	function hashGet(key) {
+	  var data = this.__data__;
+	  if (nativeCreate) {
+	    var result = data[key];
+	    return result === HASH_UNDEFINED ? undefined : result;
+	  }
+	  return hasOwnProperty$6.call(data, key) ? data[key] : undefined;
+	}
+
+	/** Used for built-in method references. */
+	var objectProto$9 = Object.prototype;
+
+	/** Used to check objects for own properties. */
+	var hasOwnProperty$7 = objectProto$9.hasOwnProperty;
+
+	/**
+	 * Checks if a hash value for `key` exists.
+	 *
+	 * @private
+	 * @name has
+	 * @memberOf Hash
+	 * @param {string} key The key of the entry to check.
+	 * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
+	 */
+	function hashHas(key) {
+	  var data = this.__data__;
+	  return nativeCreate ? (data[key] !== undefined) : hasOwnProperty$7.call(data, key);
+	}
+
+	/** Used to stand-in for `undefined` hash values. */
+	var HASH_UNDEFINED$1 = '__lodash_hash_undefined__';
+
+	/**
+	 * Sets the hash `key` to `value`.
+	 *
+	 * @private
+	 * @name set
+	 * @memberOf Hash
+	 * @param {string} key The key of the value to set.
+	 * @param {*} value The value to set.
+	 * @returns {Object} Returns the hash instance.
+	 */
+	function hashSet(key, value) {
+	  var data = this.__data__;
+	  this.size += this.has(key) ? 0 : 1;
+	  data[key] = (nativeCreate && value === undefined) ? HASH_UNDEFINED$1 : value;
+	  return this;
+	}
+
+	/**
+	 * Creates a hash object.
+	 *
+	 * @private
+	 * @constructor
+	 * @param {Array} [entries] The key-value pairs to cache.
+	 */
+	function Hash(entries) {
+	  var index = -1,
+	      length = entries == null ? 0 : entries.length;
+
+	  this.clear();
+	  while (++index < length) {
+	    var entry = entries[index];
+	    this.set(entry[0], entry[1]);
+	  }
+	}
+
+	// Add methods to `Hash`.
+	Hash.prototype.clear = hashClear;
+	Hash.prototype['delete'] = hashDelete;
+	Hash.prototype.get = hashGet;
+	Hash.prototype.has = hashHas;
+	Hash.prototype.set = hashSet;
+
+	/**
+	 * Removes all key-value entries from the map.
+	 *
+	 * @private
+	 * @name clear
+	 * @memberOf MapCache
+	 */
+	function mapCacheClear() {
+	  this.size = 0;
+	  this.__data__ = {
+	    'hash': new Hash,
+	    'map': new (Map$1 || ListCache),
+	    'string': new Hash
+	  };
+	}
+
+	/**
+	 * Checks if `value` is suitable for use as unique object key.
+	 *
+	 * @private
+	 * @param {*} value The value to check.
+	 * @returns {boolean} Returns `true` if `value` is suitable, else `false`.
+	 */
+	function isKeyable(value) {
+	  var type = typeof value;
+	  return (type == 'string' || type == 'number' || type == 'symbol' || type == 'boolean')
+	    ? (value !== '__proto__')
+	    : (value === null);
+	}
+
+	/**
+	 * Gets the data for `map`.
+	 *
+	 * @private
+	 * @param {Object} map The map to query.
+	 * @param {string} key The reference key.
+	 * @returns {*} Returns the map data.
+	 */
+	function getMapData(map, key) {
+	  var data = map.__data__;
+	  return isKeyable(key)
+	    ? data[typeof key == 'string' ? 'string' : 'hash']
+	    : data.map;
+	}
+
+	/**
+	 * Removes `key` and its value from the map.
+	 *
+	 * @private
+	 * @name delete
+	 * @memberOf MapCache
+	 * @param {string} key The key of the value to remove.
+	 * @returns {boolean} Returns `true` if the entry was removed, else `false`.
+	 */
+	function mapCacheDelete(key) {
+	  var result = getMapData(this, key)['delete'](key);
+	  this.size -= result ? 1 : 0;
+	  return result;
+	}
+
+	/**
+	 * Gets the map value for `key`.
+	 *
+	 * @private
+	 * @name get
+	 * @memberOf MapCache
+	 * @param {string} key The key of the value to get.
+	 * @returns {*} Returns the entry value.
+	 */
+	function mapCacheGet(key) {
+	  return getMapData(this, key).get(key);
+	}
+
+	/**
+	 * Checks if a map value for `key` exists.
+	 *
+	 * @private
+	 * @name has
+	 * @memberOf MapCache
+	 * @param {string} key The key of the entry to check.
+	 * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
+	 */
+	function mapCacheHas(key) {
+	  return getMapData(this, key).has(key);
+	}
+
+	/**
+	 * Sets the map `key` to `value`.
+	 *
+	 * @private
+	 * @name set
+	 * @memberOf MapCache
+	 * @param {string} key The key of the value to set.
+	 * @param {*} value The value to set.
+	 * @returns {Object} Returns the map cache instance.
+	 */
+	function mapCacheSet(key, value) {
+	  var data = getMapData(this, key),
+	      size = data.size;
+
+	  data.set(key, value);
+	  this.size += data.size == size ? 0 : 1;
+	  return this;
+	}
+
+	/**
+	 * Creates a map cache object to store key-value pairs.
+	 *
+	 * @private
+	 * @constructor
+	 * @param {Array} [entries] The key-value pairs to cache.
+	 */
+	function MapCache(entries) {
+	  var index = -1,
+	      length = entries == null ? 0 : entries.length;
+
+	  this.clear();
+	  while (++index < length) {
+	    var entry = entries[index];
+	    this.set(entry[0], entry[1]);
+	  }
+	}
+
+	// Add methods to `MapCache`.
+	MapCache.prototype.clear = mapCacheClear;
+	MapCache.prototype['delete'] = mapCacheDelete;
+	MapCache.prototype.get = mapCacheGet;
+	MapCache.prototype.has = mapCacheHas;
+	MapCache.prototype.set = mapCacheSet;
+
+	/** Used as the size to enable large array optimizations. */
+	var LARGE_ARRAY_SIZE = 200;
+
+	/**
+	 * Sets the stack `key` to `value`.
+	 *
+	 * @private
+	 * @name set
+	 * @memberOf Stack
+	 * @param {string} key The key of the value to set.
+	 * @param {*} value The value to set.
+	 * @returns {Object} Returns the stack cache instance.
+	 */
+	function stackSet(key, value) {
+	  var data = this.__data__;
+	  if (data instanceof ListCache) {
+	    var pairs = data.__data__;
+	    if (!Map$1 || (pairs.length < LARGE_ARRAY_SIZE - 1)) {
+	      pairs.push([key, value]);
+	      this.size = ++data.size;
+	      return this;
+	    }
+	    data = this.__data__ = new MapCache(pairs);
+	  }
+	  data.set(key, value);
+	  this.size = data.size;
+	  return this;
+	}
+
+	/**
+	 * Creates a stack cache object to store key-value pairs.
+	 *
+	 * @private
+	 * @constructor
+	 * @param {Array} [entries] The key-value pairs to cache.
+	 */
+	function Stack(entries) {
+	  var data = this.__data__ = new ListCache(entries);
+	  this.size = data.size;
+	}
+
+	// Add methods to `Stack`.
+	Stack.prototype.clear = stackClear;
+	Stack.prototype['delete'] = stackDelete;
+	Stack.prototype.get = stackGet;
+	Stack.prototype.has = stackHas;
+	Stack.prototype.set = stackSet;
+
+	/** Used to stand-in for `undefined` hash values. */
+	var HASH_UNDEFINED$2 = '__lodash_hash_undefined__';
+
+	/**
+	 * Adds `value` to the array cache.
+	 *
+	 * @private
+	 * @name add
+	 * @memberOf SetCache
+	 * @alias push
+	 * @param {*} value The value to cache.
+	 * @returns {Object} Returns the cache instance.
+	 */
+	function setCacheAdd(value) {
+	  this.__data__.set(value, HASH_UNDEFINED$2);
+	  return this;
+	}
+
+	/**
+	 * Checks if `value` is in the array cache.
+	 *
+	 * @private
+	 * @name has
+	 * @memberOf SetCache
+	 * @param {*} value The value to search for.
+	 * @returns {number} Returns `true` if `value` is found, else `false`.
+	 */
+	function setCacheHas(value) {
+	  return this.__data__.has(value);
+	}
+
+	/**
+	 *
+	 * Creates an array cache object to store unique values.
+	 *
+	 * @private
+	 * @constructor
+	 * @param {Array} [values] The values to cache.
+	 */
+	function SetCache(values) {
+	  var index = -1,
+	      length = values == null ? 0 : values.length;
+
+	  this.__data__ = new MapCache;
+	  while (++index < length) {
+	    this.add(values[index]);
+	  }
+	}
+
+	// Add methods to `SetCache`.
+	SetCache.prototype.add = SetCache.prototype.push = setCacheAdd;
+	SetCache.prototype.has = setCacheHas;
+
+	/**
+	 * A specialized version of `_.some` for arrays without support for iteratee
+	 * shorthands.
+	 *
+	 * @private
+	 * @param {Array} [array] The array to iterate over.
+	 * @param {Function} predicate The function invoked per iteration.
+	 * @returns {boolean} Returns `true` if any element passes the predicate check,
+	 *  else `false`.
+	 */
+	function arraySome(array, predicate) {
+	  var index = -1,
+	      length = array == null ? 0 : array.length;
+
+	  while (++index < length) {
+	    if (predicate(array[index], index, array)) {
+	      return true;
+	    }
+	  }
+	  return false;
+	}
+
+	/**
+	 * Checks if a `cache` value for `key` exists.
+	 *
+	 * @private
+	 * @param {Object} cache The cache to query.
+	 * @param {string} key The key of the entry to check.
+	 * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
+	 */
+	function cacheHas(cache, key) {
+	  return cache.has(key);
+	}
+
+	/** Used to compose bitmasks for value comparisons. */
+	var COMPARE_PARTIAL_FLAG = 1,
+	    COMPARE_UNORDERED_FLAG = 2;
+
+	/**
+	 * A specialized version of `baseIsEqualDeep` for arrays with support for
+	 * partial deep comparisons.
+	 *
+	 * @private
+	 * @param {Array} array The array to compare.
+	 * @param {Array} other The other array to compare.
+	 * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.
+	 * @param {Function} customizer The function to customize comparisons.
+	 * @param {Function} equalFunc The function to determine equivalents of values.
+	 * @param {Object} stack Tracks traversed `array` and `other` objects.
+	 * @returns {boolean} Returns `true` if the arrays are equivalent, else `false`.
+	 */
+	function equalArrays(array, other, bitmask, customizer, equalFunc, stack) {
+	  var isPartial = bitmask & COMPARE_PARTIAL_FLAG,
+	      arrLength = array.length,
+	      othLength = other.length;
+
+	  if (arrLength != othLength && !(isPartial && othLength > arrLength)) {
+	    return false;
+	  }
+	  // Assume cyclic values are equal.
+	  var stacked = stack.get(array);
+	  if (stacked && stack.get(other)) {
+	    return stacked == other;
+	  }
+	  var index = -1,
+	      result = true,
+	      seen = (bitmask & COMPARE_UNORDERED_FLAG) ? new SetCache : undefined;
+
+	  stack.set(array, other);
+	  stack.set(other, array);
+
+	  // Ignore non-index properties.
+	  while (++index < arrLength) {
+	    var arrValue = array[index],
+	        othValue = other[index];
+
+	    if (customizer) {
+	      var compared = isPartial
+	        ? customizer(othValue, arrValue, index, other, array, stack)
+	        : customizer(arrValue, othValue, index, array, other, stack);
+	    }
+	    if (compared !== undefined) {
+	      if (compared) {
+	        continue;
+	      }
+	      result = false;
+	      break;
+	    }
+	    // Recursively compare arrays (susceptible to call stack limits).
+	    if (seen) {
+	      if (!arraySome(other, function(othValue, othIndex) {
+	            if (!cacheHas(seen, othIndex) &&
+	                (arrValue === othValue || equalFunc(arrValue, othValue, bitmask, customizer, stack))) {
+	              return seen.push(othIndex);
+	            }
+	          })) {
+	        result = false;
+	        break;
+	      }
+	    } else if (!(
+	          arrValue === othValue ||
+	            equalFunc(arrValue, othValue, bitmask, customizer, stack)
+	        )) {
+	      result = false;
+	      break;
+	    }
+	  }
+	  stack['delete'](array);
+	  stack['delete'](other);
+	  return result;
+	}
+
+	/** Built-in value references. */
+	var Uint8Array$1 = root.Uint8Array;
+
+	/**
+	 * Converts `map` to its key-value pairs.
+	 *
+	 * @private
+	 * @param {Object} map The map to convert.
+	 * @returns {Array} Returns the key-value pairs.
+	 */
+	function mapToArray(map) {
+	  var index = -1,
+	      result = Array(map.size);
+
+	  map.forEach(function(value, key) {
+	    result[++index] = [key, value];
+	  });
+	  return result;
+	}
+
+	/**
+	 * Converts `set` to an array of its values.
+	 *
+	 * @private
+	 * @param {Object} set The set to convert.
+	 * @returns {Array} Returns the values.
+	 */
+	function setToArray(set) {
+	  var index = -1,
+	      result = Array(set.size);
+
+	  set.forEach(function(value) {
+	    result[++index] = value;
+	  });
+	  return result;
+	}
+
+	/** Used to compose bitmasks for value comparisons. */
+	var COMPARE_PARTIAL_FLAG$1 = 1,
+	    COMPARE_UNORDERED_FLAG$1 = 2;
+
+	/** `Object#toString` result references. */
+	var boolTag$2 = '[object Boolean]',
+	    dateTag$1 = '[object Date]',
+	    errorTag$1 = '[object Error]',
+	    mapTag$1 = '[object Map]',
+	    numberTag$2 = '[object Number]',
+	    regexpTag$1 = '[object RegExp]',
+	    setTag$1 = '[object Set]',
+	    stringTag$2 = '[object String]',
+	    symbolTag$1 = '[object Symbol]';
+
+	var arrayBufferTag$1 = '[object ArrayBuffer]',
+	    dataViewTag$1 = '[object DataView]';
+
+	/** Used to convert symbols to primitives and strings. */
+	var symbolProto$1 = Symbol$1 ? Symbol$1.prototype : undefined,
+	    symbolValueOf = symbolProto$1 ? symbolProto$1.valueOf : undefined;
+
+	/**
+	 * A specialized version of `baseIsEqualDeep` for comparing objects of
+	 * the same `toStringTag`.
+	 *
+	 * **Note:** This function only supports comparing values with tags of
+	 * `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`.
+	 *
+	 * @private
+	 * @param {Object} object The object to compare.
+	 * @param {Object} other The other object to compare.
+	 * @param {string} tag The `toStringTag` of the objects to compare.
+	 * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.
+	 * @param {Function} customizer The function to customize comparisons.
+	 * @param {Function} equalFunc The function to determine equivalents of values.
+	 * @param {Object} stack Tracks traversed `object` and `other` objects.
+	 * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
+	 */
+	function equalByTag(object, other, tag, bitmask, customizer, equalFunc, stack) {
+	  switch (tag) {
+	    case dataViewTag$1:
+	      if ((object.byteLength != other.byteLength) ||
+	          (object.byteOffset != other.byteOffset)) {
+	        return false;
+	      }
+	      object = object.buffer;
+	      other = other.buffer;
+
+	    case arrayBufferTag$1:
+	      if ((object.byteLength != other.byteLength) ||
+	          !equalFunc(new Uint8Array$1(object), new Uint8Array$1(other))) {
+	        return false;
+	      }
+	      return true;
+
+	    case boolTag$2:
+	    case dateTag$1:
+	    case numberTag$2:
+	      // Coerce booleans to `1` or `0` and dates to milliseconds.
+	      // Invalid dates are coerced to `NaN`.
+	      return eq(+object, +other);
+
+	    case errorTag$1:
+	      return object.name == other.name && object.message == other.message;
+
+	    case regexpTag$1:
+	    case stringTag$2:
+	      // Coerce regexes to strings and treat strings, primitives and objects,
+	      // as equal. See http://www.ecma-international.org/ecma-262/7.0/#sec-regexp.prototype.tostring
+	      // for more details.
+	      return object == (other + '');
+
+	    case mapTag$1:
+	      var convert = mapToArray;
+
+	    case setTag$1:
+	      var isPartial = bitmask & COMPARE_PARTIAL_FLAG$1;
+	      convert || (convert = setToArray);
+
+	      if (object.size != other.size && !isPartial) {
+	        return false;
+	      }
+	      // Assume cyclic values are equal.
+	      var stacked = stack.get(object);
+	      if (stacked) {
+	        return stacked == other;
+	      }
+	      bitmask |= COMPARE_UNORDERED_FLAG$1;
+
+	      // Recursively compare objects (susceptible to call stack limits).
+	      stack.set(object, other);
+	      var result = equalArrays(convert(object), convert(other), bitmask, customizer, equalFunc, stack);
+	      stack['delete'](object);
+	      return result;
+
+	    case symbolTag$1:
+	      if (symbolValueOf) {
+	        return symbolValueOf.call(object) == symbolValueOf.call(other);
+	      }
+	  }
+	  return false;
+	}
+
+	/**
+	 * Appends the elements of `values` to `array`.
+	 *
+	 * @private
+	 * @param {Array} array The array to modify.
+	 * @param {Array} values The values to append.
+	 * @returns {Array} Returns `array`.
+	 */
+	function arrayPush(array, values) {
+	  var index = -1,
+	      length = values.length,
+	      offset = array.length;
+
+	  while (++index < length) {
+	    array[offset + index] = values[index];
+	  }
+	  return array;
+	}
+
+	/**
+	 * The base implementation of `getAllKeys` and `getAllKeysIn` which uses
+	 * `keysFunc` and `symbolsFunc` to get the enumerable property names and
+	 * symbols of `object`.
+	 *
+	 * @private
+	 * @param {Object} object The object to query.
+	 * @param {Function} keysFunc The function to get the keys of `object`.
+	 * @param {Function} symbolsFunc The function to get the symbols of `object`.
+	 * @returns {Array} Returns the array of property names and symbols.
+	 */
+	function baseGetAllKeys(object, keysFunc, symbolsFunc) {
+	  var result = keysFunc(object);
+	  return isArray(object) ? result : arrayPush(result, symbolsFunc(object));
+	}
+
+	/**
+	 * This method returns a new empty array.
+	 *
+	 * @static
+	 * @memberOf _
+	 * @since 4.13.0
+	 * @category Util
+	 * @returns {Array} Returns the new empty array.
+	 * @example
+	 *
+	 * var arrays = _.times(2, _.stubArray);
+	 *
+	 * console.log(arrays);
+	 * // => [[], []]
+	 *
+	 * console.log(arrays[0] === arrays[1]);
+	 * // => false
+	 */
+	function stubArray() {
+	  return [];
+	}
+
+	/** Used for built-in method references. */
+	var objectProto$a = Object.prototype;
+
+	/** Built-in value references. */
+	var propertyIsEnumerable$1 = objectProto$a.propertyIsEnumerable;
+
+	/* Built-in method references for those with the same name as other `lodash` methods. */
+	var nativeGetSymbols = Object.getOwnPropertySymbols;
+
+	/**
+	 * Creates an array of the own enumerable symbols of `object`.
+	 *
+	 * @private
+	 * @param {Object} object The object to query.
+	 * @returns {Array} Returns the array of symbols.
+	 */
+	var getSymbols = !nativeGetSymbols ? stubArray : function(object) {
+	  if (object == null) {
+	    return [];
+	  }
+	  object = Object(object);
+	  return arrayFilter(nativeGetSymbols(object), function(symbol) {
+	    return propertyIsEnumerable$1.call(object, symbol);
+	  });
+	};
+
+	/**
+	 * Creates an array of own enumerable property names and symbols of `object`.
+	 *
+	 * @private
+	 * @param {Object} object The object to query.
+	 * @returns {Array} Returns the array of property names and symbols.
+	 */
+	function getAllKeys(object) {
+	  return baseGetAllKeys(object, keys, getSymbols);
+	}
+
+	/** Used to compose bitmasks for value comparisons. */
+	var COMPARE_PARTIAL_FLAG$2 = 1;
+
+	/** Used for built-in method references. */
+	var objectProto$b = Object.prototype;
+
+	/** Used to check objects for own properties. */
+	var hasOwnProperty$8 = objectProto$b.hasOwnProperty;
+
+	/**
+	 * A specialized version of `baseIsEqualDeep` for objects with support for
+	 * partial deep comparisons.
+	 *
+	 * @private
+	 * @param {Object} object The object to compare.
+	 * @param {Object} other The other object to compare.
+	 * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.
+	 * @param {Function} customizer The function to customize comparisons.
+	 * @param {Function} equalFunc The function to determine equivalents of values.
+	 * @param {Object} stack Tracks traversed `object` and `other` objects.
+	 * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
+	 */
+	function equalObjects(object, other, bitmask, customizer, equalFunc, stack) {
+	  var isPartial = bitmask & COMPARE_PARTIAL_FLAG$2,
+	      objProps = getAllKeys(object),
+	      objLength = objProps.length,
+	      othProps = getAllKeys(other),
+	      othLength = othProps.length;
+
+	  if (objLength != othLength && !isPartial) {
+	    return false;
+	  }
+	  var index = objLength;
+	  while (index--) {
+	    var key = objProps[index];
+	    if (!(isPartial ? key in other : hasOwnProperty$8.call(other, key))) {
+	      return false;
+	    }
+	  }
+	  // Assume cyclic values are equal.
+	  var stacked = stack.get(object);
+	  if (stacked && stack.get(other)) {
+	    return stacked == other;
+	  }
+	  var result = true;
+	  stack.set(object, other);
+	  stack.set(other, object);
+
+	  var skipCtor = isPartial;
+	  while (++index < objLength) {
+	    key = objProps[index];
+	    var objValue = object[key],
+	        othValue = other[key];
+
+	    if (customizer) {
+	      var compared = isPartial
+	        ? customizer(othValue, objValue, key, other, object, stack)
+	        : customizer(objValue, othValue, key, object, other, stack);
+	    }
+	    // Recursively compare objects (susceptible to call stack limits).
+	    if (!(compared === undefined
+	          ? (objValue === othValue || equalFunc(objValue, othValue, bitmask, customizer, stack))
+	          : compared
+	        )) {
+	      result = false;
+	      break;
+	    }
+	    skipCtor || (skipCtor = key == 'constructor');
+	  }
+	  if (result && !skipCtor) {
+	    var objCtor = object.constructor,
+	        othCtor = other.constructor;
+
+	    // Non `Object` object instances with different constructors are not equal.
+	    if (objCtor != othCtor &&
+	        ('constructor' in object && 'constructor' in other) &&
+	        !(typeof objCtor == 'function' && objCtor instanceof objCtor &&
+	          typeof othCtor == 'function' && othCtor instanceof othCtor)) {
+	      result = false;
+	    }
+	  }
+	  stack['delete'](object);
+	  stack['delete'](other);
+	  return result;
+	}
+
+	/* Built-in method references that are verified to be native. */
+	var DataView = getNative(root, 'DataView');
+
+	/* Built-in method references that are verified to be native. */
+	var Promise$1 = getNative(root, 'Promise');
+
+	/* Built-in method references that are verified to be native. */
+	var Set$1 = getNative(root, 'Set');
+
+	/* Built-in method references that are verified to be native. */
+	var WeakMap$1 = getNative(root, 'WeakMap');
+
+	/** `Object#toString` result references. */
+	var mapTag$2 = '[object Map]',
+	    objectTag$2 = '[object Object]',
+	    promiseTag = '[object Promise]',
+	    setTag$2 = '[object Set]',
+	    weakMapTag$1 = '[object WeakMap]';
+
+	var dataViewTag$2 = '[object DataView]';
+
+	/** Used to detect maps, sets, and weakmaps. */
+	var dataViewCtorString = toSource(DataView),
+	    mapCtorString = toSource(Map$1),
+	    promiseCtorString = toSource(Promise$1),
+	    setCtorString = toSource(Set$1),
+	    weakMapCtorString = toSource(WeakMap$1);
+
+	/**
+	 * Gets the `toStringTag` of `value`.
+	 *
+	 * @private
+	 * @param {*} value The value to query.
+	 * @returns {string} Returns the `toStringTag`.
+	 */
+	var getTag = baseGetTag;
+
+	// Fallback for data views, maps, sets, and weak maps in IE 11 and promises in Node.js < 6.
+	if ((DataView && getTag(new DataView(new ArrayBuffer(1))) != dataViewTag$2) ||
+	    (Map$1 && getTag(new Map$1) != mapTag$2) ||
+	    (Promise$1 && getTag(Promise$1.resolve()) != promiseTag) ||
+	    (Set$1 && getTag(new Set$1) != setTag$2) ||
+	    (WeakMap$1 && getTag(new WeakMap$1) != weakMapTag$1)) {
+	  getTag = function(value) {
+	    var result = baseGetTag(value),
+	        Ctor = result == objectTag$2 ? value.constructor : undefined,
+	        ctorString = Ctor ? toSource(Ctor) : '';
+
+	    if (ctorString) {
+	      switch (ctorString) {
+	        case dataViewCtorString: return dataViewTag$2;
+	        case mapCtorString: return mapTag$2;
+	        case promiseCtorString: return promiseTag;
+	        case setCtorString: return setTag$2;
+	        case weakMapCtorString: return weakMapTag$1;
+	      }
+	    }
+	    return result;
+	  };
+	}
+
+	var getTag$1 = getTag;
+
+	/** Used to compose bitmasks for value comparisons. */
+	var COMPARE_PARTIAL_FLAG$3 = 1;
+
+	/** `Object#toString` result references. */
+	var argsTag$2 = '[object Arguments]',
+	    arrayTag$1 = '[object Array]',
+	    objectTag$3 = '[object Object]';
+
+	/** Used for built-in method references. */
+	var objectProto$c = Object.prototype;
+
+	/** Used to check objects for own properties. */
+	var hasOwnProperty$9 = objectProto$c.hasOwnProperty;
+
+	/**
+	 * A specialized version of `baseIsEqual` for arrays and objects which performs
+	 * deep comparisons and tracks traversed objects enabling objects with circular
+	 * references to be compared.
+	 *
+	 * @private
+	 * @param {Object} object The object to compare.
+	 * @param {Object} other The other object to compare.
+	 * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.
+	 * @param {Function} customizer The function to customize comparisons.
+	 * @param {Function} equalFunc The function to determine equivalents of values.
+	 * @param {Object} [stack] Tracks traversed `object` and `other` objects.
+	 * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
+	 */
+	function baseIsEqualDeep(object, other, bitmask, customizer, equalFunc, stack) {
+	  var objIsArr = isArray(object),
+	      othIsArr = isArray(other),
+	      objTag = objIsArr ? arrayTag$1 : getTag$1(object),
+	      othTag = othIsArr ? arrayTag$1 : getTag$1(other);
+
+	  objTag = objTag == argsTag$2 ? objectTag$3 : objTag;
+	  othTag = othTag == argsTag$2 ? objectTag$3 : othTag;
+
+	  var objIsObj = objTag == objectTag$3,
+	      othIsObj = othTag == objectTag$3,
+	      isSameTag = objTag == othTag;
+
+	  if (isSameTag && isBuffer(object)) {
+	    if (!isBuffer(other)) {
+	      return false;
+	    }
+	    objIsArr = true;
+	    objIsObj = false;
+	  }
+	  if (isSameTag && !objIsObj) {
+	    stack || (stack = new Stack);
+	    return (objIsArr || isTypedArray(object))
+	      ? equalArrays(object, other, bitmask, customizer, equalFunc, stack)
+	      : equalByTag(object, other, objTag, bitmask, customizer, equalFunc, stack);
+	  }
+	  if (!(bitmask & COMPARE_PARTIAL_FLAG$3)) {
+	    var objIsWrapped = objIsObj && hasOwnProperty$9.call(object, '__wrapped__'),
+	        othIsWrapped = othIsObj && hasOwnProperty$9.call(other, '__wrapped__');
+
+	    if (objIsWrapped || othIsWrapped) {
+	      var objUnwrapped = objIsWrapped ? object.value() : object,
+	          othUnwrapped = othIsWrapped ? other.value() : other;
+
+	      stack || (stack = new Stack);
+	      return equalFunc(objUnwrapped, othUnwrapped, bitmask, customizer, stack);
+	    }
+	  }
+	  if (!isSameTag) {
+	    return false;
+	  }
+	  stack || (stack = new Stack);
+	  return equalObjects(object, other, bitmask, customizer, equalFunc, stack);
+	}
+
+	/**
+	 * The base implementation of `_.isEqual` which supports partial comparisons
+	 * and tracks traversed objects.
+	 *
+	 * @private
+	 * @param {*} value The value to compare.
+	 * @param {*} other The other value to compare.
+	 * @param {boolean} bitmask The bitmask flags.
+	 *  1 - Unordered comparison
+	 *  2 - Partial comparison
+	 * @param {Function} [customizer] The function to customize comparisons.
+	 * @param {Object} [stack] Tracks traversed `value` and `other` objects.
+	 * @returns {boolean} Returns `true` if the values are equivalent, else `false`.
+	 */
+	function baseIsEqual(value, other, bitmask, customizer, stack) {
+	  if (value === other) {
+	    return true;
+	  }
+	  if (value == null || other == null || (!isObjectLike(value) && !isObjectLike(other))) {
+	    return value !== value && other !== other;
+	  }
+	  return baseIsEqualDeep(value, other, bitmask, customizer, baseIsEqual, stack);
+	}
+
+	/** Used to compose bitmasks for value comparisons. */
+	var COMPARE_PARTIAL_FLAG$4 = 1,
+	    COMPARE_UNORDERED_FLAG$2 = 2;
+
+	/**
+	 * The base implementation of `_.isMatch` without support for iteratee shorthands.
+	 *
+	 * @private
+	 * @param {Object} object The object to inspect.
+	 * @param {Object} source The object of property values to match.
+	 * @param {Array} matchData The property names, values, and compare flags to match.
+	 * @param {Function} [customizer] The function to customize comparisons.
+	 * @returns {boolean} Returns `true` if `object` is a match, else `false`.
+	 */
+	function baseIsMatch(object, source, matchData, customizer) {
+	  var index = matchData.length,
+	      length = index,
+	      noCustomizer = !customizer;
+
+	  if (object == null) {
+	    return !length;
+	  }
+	  object = Object(object);
+	  while (index--) {
+	    var data = matchData[index];
+	    if ((noCustomizer && data[2])
+	          ? data[1] !== object[data[0]]
+	          : !(data[0] in object)
+	        ) {
+	      return false;
+	    }
+	  }
+	  while (++index < length) {
+	    data = matchData[index];
+	    var key = data[0],
+	        objValue = object[key],
+	        srcValue = data[1];
+
+	    if (noCustomizer && data[2]) {
+	      if (objValue === undefined && !(key in object)) {
+	        return false;
+	      }
+	    } else {
+	      var stack = new Stack;
+	      if (customizer) {
+	        var result = customizer(objValue, srcValue, key, object, source, stack);
+	      }
+	      if (!(result === undefined
+	            ? baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG$4 | COMPARE_UNORDERED_FLAG$2, customizer, stack)
+	            : result
+	          )) {
+	        return false;
+	      }
+	    }
+	  }
+	  return true;
+	}
+
+	/**
+	 * Checks if `value` is suitable for strict equality comparisons, i.e. `===`.
+	 *
+	 * @private
+	 * @param {*} value The value to check.
+	 * @returns {boolean} Returns `true` if `value` if suitable for strict
+	 *  equality comparisons, else `false`.
+	 */
+	function isStrictComparable(value) {
+	  return value === value && !isObject(value);
+	}
+
+	/**
+	 * Gets the property names, values, and compare flags of `object`.
+	 *
+	 * @private
+	 * @param {Object} object The object to query.
+	 * @returns {Array} Returns the match data of `object`.
+	 */
+	function getMatchData(object) {
+	  var result = keys(object),
+	      length = result.length;
+
+	  while (length--) {
+	    var key = result[length],
+	        value = object[key];
+
+	    result[length] = [key, value, isStrictComparable(value)];
+	  }
+	  return result;
+	}
+
+	/**
+	 * A specialized version of `matchesProperty` for source values suitable
+	 * for strict equality comparisons, i.e. `===`.
+	 *
+	 * @private
+	 * @param {string} key The key of the property to get.
+	 * @param {*} srcValue The value to match.
+	 * @returns {Function} Returns the new spec function.
+	 */
+	function matchesStrictComparable(key, srcValue) {
+	  return function(object) {
+	    if (object == null) {
+	      return false;
+	    }
+	    return object[key] === srcValue &&
+	      (srcValue !== undefined || (key in Object(object)));
+	  };
+	}
+
+	/**
+	 * The base implementation of `_.matches` which doesn't clone `source`.
+	 *
+	 * @private
+	 * @param {Object} source The object of property values to match.
+	 * @returns {Function} Returns the new spec function.
+	 */
+	function baseMatches(source) {
+	  var matchData = getMatchData(source);
+	  if (matchData.length == 1 && matchData[0][2]) {
+	    return matchesStrictComparable(matchData[0][0], matchData[0][1]);
+	  }
+	  return function(object) {
+	    return object === source || baseIsMatch(object, source, matchData);
+	  };
+	}
+
+	/** Used to match property names within property paths. */
+	var reIsDeepProp = /\.|\[(?:[^[\]]*|(["'])(?:(?!\1)[^\\]|\\.)*?\1)\]/,
+	    reIsPlainProp = /^\w*$/;
+
+	/**
+	 * Checks if `value` is a property name and not a property path.
+	 *
+	 * @private
+	 * @param {*} value The value to check.
+	 * @param {Object} [object] The object to query keys on.
+	 * @returns {boolean} Returns `true` if `value` is a property name, else `false`.
+	 */
+	function isKey(value, object) {
+	  if (isArray(value)) {
+	    return false;
+	  }
+	  var type = typeof value;
+	  if (type == 'number' || type == 'symbol' || type == 'boolean' ||
+	      value == null || isSymbol(value)) {
+	    return true;
+	  }
+	  return reIsPlainProp.test(value) || !reIsDeepProp.test(value) ||
+	    (object != null && value in Object(object));
+	}
+
+	/** Error message constants. */
+	var FUNC_ERROR_TEXT = 'Expected a function';
+
+	/**
+	 * Creates a function that memoizes the result of `func`. If `resolver` is
+	 * provided, it determines the cache key for storing the result based on the
+	 * arguments provided to the memoized function. By default, the first argument
+	 * provided to the memoized function is used as the map cache key. The `func`
+	 * is invoked with the `this` binding of the memoized function.
+	 *
+	 * **Note:** The cache is exposed as the `cache` property on the memoized
+	 * function. Its creation may be customized by replacing the `_.memoize.Cache`
+	 * constructor with one whose instances implement the
+	 * [`Map`](http://ecma-international.org/ecma-262/7.0/#sec-properties-of-the-map-prototype-object)
+	 * method interface of `clear`, `delete`, `get`, `has`, and `set`.
+	 *
+	 * @static
+	 * @memberOf _
+	 * @since 0.1.0
+	 * @category Function
+	 * @param {Function} func The function to have its output memoized.
+	 * @param {Function} [resolver] The function to resolve the cache key.
+	 * @returns {Function} Returns the new memoized function.
+	 * @example
+	 *
+	 * var object = { 'a': 1, 'b': 2 };
+	 * var other = { 'c': 3, 'd': 4 };
+	 *
+	 * var values = _.memoize(_.values);
+	 * values(object);
+	 * // => [1, 2]
+	 *
+	 * values(other);
+	 * // => [3, 4]
+	 *
+	 * object.a = 2;
+	 * values(object);
+	 * // => [1, 2]
+	 *
+	 * // Modify the result cache.
+	 * values.cache.set(object, ['a', 'b']);
+	 * values(object);
+	 * // => ['a', 'b']
+	 *
+	 * // Replace `_.memoize.Cache`.
+	 * _.memoize.Cache = WeakMap;
+	 */
+	function memoize(func, resolver) {
+	  if (typeof func != 'function' || (resolver != null && typeof resolver != 'function')) {
+	    throw new TypeError(FUNC_ERROR_TEXT);
+	  }
+	  var memoized = function() {
+	    var args = arguments,
+	        key = resolver ? resolver.apply(this, args) : args[0],
+	        cache = memoized.cache;
+
+	    if (cache.has(key)) {
+	      return cache.get(key);
+	    }
+	    var result = func.apply(this, args);
+	    memoized.cache = cache.set(key, result) || cache;
+	    return result;
+	  };
+	  memoized.cache = new (memoize.Cache || MapCache);
+	  return memoized;
+	}
+
+	// Expose `MapCache`.
+	memoize.Cache = MapCache;
+
+	/** Used as the maximum memoize cache size. */
+	var MAX_MEMOIZE_SIZE = 500;
+
+	/**
+	 * A specialized version of `_.memoize` which clears the memoized function's
+	 * cache when it exceeds `MAX_MEMOIZE_SIZE`.
+	 *
+	 * @private
+	 * @param {Function} func The function to have its output memoized.
+	 * @returns {Function} Returns the new memoized function.
+	 */
+	function memoizeCapped(func) {
+	  var result = memoize(func, function(key) {
+	    if (cache.size === MAX_MEMOIZE_SIZE) {
+	      cache.clear();
+	    }
+	    return key;
+	  });
+
+	  var cache = result.cache;
+	  return result;
+	}
+
+	/** Used to match property names within property paths. */
+	var rePropName = /[^.[\]]+|\[(?:(-?\d+(?:\.\d+)?)|(["'])((?:(?!\2)[^\\]|\\.)*?)\2)\]|(?=(?:\.|\[\])(?:\.|\[\]|$))/g;
+
+	/** Used to match backslashes in property paths. */
+	var reEscapeChar = /\\(\\)?/g;
+
+	/**
+	 * Converts `string` to a property path array.
+	 *
+	 * @private
+	 * @param {string} string The string to convert.
+	 * @returns {Array} Returns the property path array.
+	 */
+	var stringToPath = memoizeCapped(function(string) {
+	  var result = [];
+	  if (string.charCodeAt(0) === 46 /* . */) {
+	    result.push('');
+	  }
+	  string.replace(rePropName, function(match, number, quote, subString) {
+	    result.push(quote ? subString.replace(reEscapeChar, '$1') : (number || match));
+	  });
+	  return result;
+	});
+
+	/**
+	 * Casts `value` to a path array if it's not one.
+	 *
+	 * @private
+	 * @param {*} value The value to inspect.
+	 * @param {Object} [object] The object to query keys on.
+	 * @returns {Array} Returns the cast property path array.
+	 */
+	function castPath(value, object) {
+	  if (isArray(value)) {
+	    return value;
+	  }
+	  return isKey(value, object) ? [value] : stringToPath(toString(value));
+	}
+
+	/** Used as references for various `Number` constants. */
+	var INFINITY$1 = 1 / 0;
+
+	/**
+	 * Converts `value` to a string key if it's not a string or symbol.
+	 *
+	 * @private
+	 * @param {*} value The value to inspect.
+	 * @returns {string|symbol} Returns the key.
+	 */
+	function toKey(value) {
+	  if (typeof value == 'string' || isSymbol(value)) {
+	    return value;
+	  }
+	  var result = (value + '');
+	  return (result == '0' && (1 / value) == -INFINITY$1) ? '-0' : result;
+	}
+
+	/**
+	 * The base implementation of `_.get` without support for default values.
+	 *
+	 * @private
+	 * @param {Object} object The object to query.
+	 * @param {Array|string} path The path of the property to get.
+	 * @returns {*} Returns the resolved value.
+	 */
+	function baseGet(object, path) {
+	  path = castPath(path, object);
+
+	  var index = 0,
+	      length = path.length;
+
+	  while (object != null && index < length) {
+	    object = object[toKey(path[index++])];
+	  }
+	  return (index && index == length) ? object : undefined;
+	}
+
+	/**
+	 * Gets the value at `path` of `object`. If the resolved value is
+	 * `undefined`, the `defaultValue` is returned in its place.
+	 *
+	 * @static
+	 * @memberOf _
+	 * @since 3.7.0
+	 * @category Object
+	 * @param {Object} object The object to query.
+	 * @param {Array|string} path The path of the property to get.
+	 * @param {*} [defaultValue] The value returned for `undefined` resolved values.
+	 * @returns {*} Returns the resolved value.
+	 * @example
+	 *
+	 * var object = { 'a': [{ 'b': { 'c': 3 } }] };
+	 *
+	 * _.get(object, 'a[0].b.c');
+	 * // => 3
+	 *
+	 * _.get(object, ['a', '0', 'b', 'c']);
+	 * // => 3
+	 *
+	 * _.get(object, 'a.b.c', 'default');
+	 * // => 'default'
+	 */
+	function get(object, path, defaultValue) {
+	  var result = object == null ? undefined : baseGet(object, path);
+	  return result === undefined ? defaultValue : result;
+	}
+
+	/**
+	 * The base implementation of `_.hasIn` without support for deep paths.
+	 *
+	 * @private
+	 * @param {Object} [object] The object to query.
+	 * @param {Array|string} key The key to check.
+	 * @returns {boolean} Returns `true` if `key` exists, else `false`.
+	 */
+	function baseHasIn(object, key) {
+	  return object != null && key in Object(object);
+	}
+
+	/**
+	 * Checks if `path` exists on `object`.
+	 *
+	 * @private
+	 * @param {Object} object The object to query.
+	 * @param {Array|string} path The path to check.
+	 * @param {Function} hasFunc The function to check properties.
+	 * @returns {boolean} Returns `true` if `path` exists, else `false`.
+	 */
+	function hasPath(object, path, hasFunc) {
+	  path = castPath(path, object);
+
+	  var index = -1,
+	      length = path.length,
+	      result = false;
+
+	  while (++index < length) {
+	    var key = toKey(path[index]);
+	    if (!(result = object != null && hasFunc(object, key))) {
+	      break;
+	    }
+	    object = object[key];
+	  }
+	  if (result || ++index != length) {
+	    return result;
+	  }
+	  length = object == null ? 0 : object.length;
+	  return !!length && isLength(length) && isIndex(key, length) &&
+	    (isArray(object) || isArguments(object));
+	}
+
+	/**
+	 * Checks if `path` is a direct or inherited property of `object`.
+	 *
+	 * @static
+	 * @memberOf _
+	 * @since 4.0.0
+	 * @category Object
+	 * @param {Object} object The object to query.
+	 * @param {Array|string} path The path to check.
+	 * @returns {boolean} Returns `true` if `path` exists, else `false`.
+	 * @example
+	 *
+	 * var object = _.create({ 'a': _.create({ 'b': 2 }) });
+	 *
+	 * _.hasIn(object, 'a');
+	 * // => true
+	 *
+	 * _.hasIn(object, 'a.b');
+	 * // => true
+	 *
+	 * _.hasIn(object, ['a', 'b']);
+	 * // => true
+	 *
+	 * _.hasIn(object, 'b');
+	 * // => false
+	 */
+	function hasIn(object, path) {
+	  return object != null && hasPath(object, path, baseHasIn);
+	}
+
+	/** Used to compose bitmasks for value comparisons. */
+	var COMPARE_PARTIAL_FLAG$5 = 1,
+	    COMPARE_UNORDERED_FLAG$3 = 2;
+
+	/**
+	 * The base implementation of `_.matchesProperty` which doesn't clone `srcValue`.
+	 *
+	 * @private
+	 * @param {string} path The path of the property to get.
+	 * @param {*} srcValue The value to match.
+	 * @returns {Function} Returns the new spec function.
+	 */
+	function baseMatchesProperty(path, srcValue) {
+	  if (isKey(path) && isStrictComparable(srcValue)) {
+	    return matchesStrictComparable(toKey(path), srcValue);
+	  }
+	  return function(object) {
+	    var objValue = get(object, path);
+	    return (objValue === undefined && objValue === srcValue)
+	      ? hasIn(object, path)
+	      : baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG$5 | COMPARE_UNORDERED_FLAG$3);
+	  };
+	}
+
+	/**
+	 * This method returns the first argument it receives.
+	 *
+	 * @static
+	 * @since 0.1.0
+	 * @memberOf _
+	 * @category Util
+	 * @param {*} value Any value.
+	 * @returns {*} Returns `value`.
+	 * @example
+	 *
+	 * var object = { 'a': 1 };
+	 *
+	 * console.log(_.identity(object) === object);
+	 * // => true
+	 */
+	function identity(value) {
+	  return value;
+	}
+
+	/**
+	 * The base implementation of `_.property` without support for deep paths.
+	 *
+	 * @private
+	 * @param {string} key The key of the property to get.
+	 * @returns {Function} Returns the new accessor function.
+	 */
+	function baseProperty(key) {
+	  return function(object) {
+	    return object == null ? undefined : object[key];
+	  };
+	}
+
+	/**
+	 * A specialized version of `baseProperty` which supports deep paths.
+	 *
+	 * @private
+	 * @param {Array|string} path The path of the property to get.
+	 * @returns {Function} Returns the new accessor function.
+	 */
+	function basePropertyDeep(path) {
+	  return function(object) {
+	    return baseGet(object, path);
+	  };
+	}
+
+	/**
+	 * Creates a function that returns the value at `path` of a given object.
+	 *
+	 * @static
+	 * @memberOf _
+	 * @since 2.4.0
+	 * @category Util
+	 * @param {Array|string} path The path of the property to get.
+	 * @returns {Function} Returns the new accessor function.
+	 * @example
+	 *
+	 * var objects = [
+	 *   { 'a': { 'b': 2 } },
+	 *   { 'a': { 'b': 1 } }
+	 * ];
+	 *
+	 * _.map(objects, _.property('a.b'));
+	 * // => [2, 1]
+	 *
+	 * _.map(_.sortBy(objects, _.property(['a', 'b'])), 'a.b');
+	 * // => [1, 2]
+	 */
+	function property(path) {
+	  return isKey(path) ? baseProperty(toKey(path)) : basePropertyDeep(path);
+	}
+
+	/**
+	 * The base implementation of `_.iteratee`.
+	 *
+	 * @private
+	 * @param {*} [value=_.identity] The value to convert to an iteratee.
+	 * @returns {Function} Returns the iteratee.
+	 */
+	function baseIteratee(value) {
+	  // Don't store the `typeof` result in a variable to avoid a JIT bug in Safari 9.
+	  // See https://bugs.webkit.org/show_bug.cgi?id=156034 for more details.
+	  if (typeof value == 'function') {
+	    return value;
+	  }
+	  if (value == null) {
+	    return identity;
+	  }
+	  if (typeof value == 'object') {
+	    return isArray(value)
+	      ? baseMatchesProperty(value[0], value[1])
+	      : baseMatches(value);
+	  }
+	  return property(value);
+	}
+
+	var defineProperty = (function() {
+	  try {
+	    var func = getNative(Object, 'defineProperty');
+	    func({}, '', {});
+	    return func;
+	  } catch (e) {}
+	}());
+
+	/**
+	 * The base implementation of `assignValue` and `assignMergeValue` without
+	 * value checks.
+	 *
+	 * @private
+	 * @param {Object} object The object to modify.
+	 * @param {string} key The key of the property to assign.
+	 * @param {*} value The value to assign.
+	 */
+	function baseAssignValue(object, key, value) {
+	  if (key == '__proto__' && defineProperty) {
+	    defineProperty(object, key, {
+	      'configurable': true,
+	      'enumerable': true,
+	      'value': value,
+	      'writable': true
+	    });
+	  } else {
+	    object[key] = value;
+	  }
+	}
+
+	/**
+	 * This function is like `assignValue` except that it doesn't assign
+	 * `undefined` values.
+	 *
+	 * @private
+	 * @param {Object} object The object to modify.
+	 * @param {string} key The key of the property to assign.
+	 * @param {*} value The value to assign.
+	 */
+	function assignMergeValue(object, key, value) {
+	  if ((value !== undefined && !eq(object[key], value)) ||
+	      (value === undefined && !(key in object))) {
+	    baseAssignValue(object, key, value);
+	  }
+	}
+
+	/** Detect free variable `exports`. */
+	var freeExports$2 = typeof exports == 'object' && exports && !exports.nodeType && exports;
+
+	/** Detect free variable `module`. */
+	var freeModule$2 = freeExports$2 && typeof module == 'object' && module && !module.nodeType && module;
+
+	/** Detect the popular CommonJS extension `module.exports`. */
+	var moduleExports$2 = freeModule$2 && freeModule$2.exports === freeExports$2;
+
+	/** Built-in value references. */
+	var Buffer$1 = moduleExports$2 ? root.Buffer : undefined,
+	    allocUnsafe = Buffer$1 ? Buffer$1.allocUnsafe : undefined;
+
+	/**
+	 * Creates a clone of  `buffer`.
+	 *
+	 * @private
+	 * @param {Buffer} buffer The buffer to clone.
+	 * @param {boolean} [isDeep] Specify a deep clone.
+	 * @returns {Buffer} Returns the cloned buffer.
+	 */
+	function cloneBuffer(buffer, isDeep) {
+	  if (isDeep) {
+	    return buffer.slice();
+	  }
+	  var length = buffer.length,
+	      result = allocUnsafe ? allocUnsafe(length) : new buffer.constructor(length);
+
+	  buffer.copy(result);
+	  return result;
+	}
+
+	/**
+	 * Creates a clone of `arrayBuffer`.
+	 *
+	 * @private
+	 * @param {ArrayBuffer} arrayBuffer The array buffer to clone.
+	 * @returns {ArrayBuffer} Returns the cloned array buffer.
+	 */
+	function cloneArrayBuffer(arrayBuffer) {
+	  var result = new arrayBuffer.constructor(arrayBuffer.byteLength);
+	  new Uint8Array$1(result).set(new Uint8Array$1(arrayBuffer));
+	  return result;
+	}
+
+	/**
+	 * Creates a clone of `typedArray`.
+	 *
+	 * @private
+	 * @param {Object} typedArray The typed array to clone.
+	 * @param {boolean} [isDeep] Specify a deep clone.
+	 * @returns {Object} Returns the cloned typed array.
+	 */
+	function cloneTypedArray(typedArray, isDeep) {
+	  var buffer = isDeep ? cloneArrayBuffer(typedArray.buffer) : typedArray.buffer;
+	  return new typedArray.constructor(buffer, typedArray.byteOffset, typedArray.length);
+	}
+
+	/**
+	 * Copies the values of `source` to `array`.
+	 *
+	 * @private
+	 * @param {Array} source The array to copy values from.
+	 * @param {Array} [array=[]] The array to copy values to.
+	 * @returns {Array} Returns `array`.
+	 */
+	function copyArray(source, array) {
+	  var index = -1,
+	      length = source.length;
+
+	  array || (array = Array(length));
+	  while (++index < length) {
+	    array[index] = source[index];
+	  }
+	  return array;
+	}
+
+	/** Built-in value references. */
+	var objectCreate = Object.create;
+
+	/**
+	 * The base implementation of `_.create` without support for assigning
+	 * properties to the created object.
+	 *
+	 * @private
+	 * @param {Object} proto The object to inherit from.
+	 * @returns {Object} Returns the new object.
+	 */
+	var baseCreate = (function() {
+	  function object() {}
+	  return function(proto) {
+	    if (!isObject(proto)) {
+	      return {};
+	    }
+	    if (objectCreate) {
+	      return objectCreate(proto);
+	    }
+	    object.prototype = proto;
+	    var result = new object;
+	    object.prototype = undefined;
+	    return result;
+	  };
+	}());
+
+	/**
+	 * Initializes an object clone.
+	 *
+	 * @private
+	 * @param {Object} object The object to clone.
+	 * @returns {Object} Returns the initialized clone.
+	 */
+	function initCloneObject(object) {
+	  return (typeof object.constructor == 'function' && !isPrototype(object))
+	    ? baseCreate(getPrototype(object))
+	    : {};
+	}
+
+	/**
+	 * This method is like `_.isArrayLike` except that it also checks if `value`
+	 * is an object.
+	 *
+	 * @static
+	 * @memberOf _
+	 * @since 4.0.0
+	 * @category Lang
+	 * @param {*} value The value to check.
+	 * @returns {boolean} Returns `true` if `value` is an array-like object,
+	 *  else `false`.
+	 * @example
+	 *
+	 * _.isArrayLikeObject([1, 2, 3]);
+	 * // => true
+	 *
+	 * _.isArrayLikeObject(document.body.children);
+	 * // => true
+	 *
+	 * _.isArrayLikeObject('abc');
+	 * // => false
+	 *
+	 * _.isArrayLikeObject(_.noop);
+	 * // => false
+	 */
+	function isArrayLikeObject(value) {
+	  return isObjectLike(value) && isArrayLike(value);
+	}
+
+	/**
+	 * Gets the value at `key`, unless `key` is "__proto__" or "constructor".
+	 *
+	 * @private
+	 * @param {Object} object The object to query.
+	 * @param {string} key The key of the property to get.
+	 * @returns {*} Returns the property value.
+	 */
+	function safeGet(object, key) {
+	  if (key === 'constructor' && typeof object[key] === 'function') {
+	    return;
+	  }
+
+	  if (key == '__proto__') {
+	    return;
+	  }
+
+	  return object[key];
+	}
+
+	/** Used for built-in method references. */
+	var objectProto$d = Object.prototype;
+
+	/** Used to check objects for own properties. */
+	var hasOwnProperty$a = objectProto$d.hasOwnProperty;
+
+	/**
+	 * Assigns `value` to `key` of `object` if the existing value is not equivalent
+	 * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
+	 * for equality comparisons.
+	 *
+	 * @private
+	 * @param {Object} object The object to modify.
+	 * @param {string} key The key of the property to assign.
+	 * @param {*} value The value to assign.
+	 */
+	function assignValue(object, key, value) {
+	  var objValue = object[key];
+	  if (!(hasOwnProperty$a.call(object, key) && eq(objValue, value)) ||
+	      (value === undefined && !(key in object))) {
+	    baseAssignValue(object, key, value);
+	  }
+	}
+
+	/**
+	 * Copies properties of `source` to `object`.
+	 *
+	 * @private
+	 * @param {Object} source The object to copy properties from.
+	 * @param {Array} props The property identifiers to copy.
+	 * @param {Object} [object={}] The object to copy properties to.
+	 * @param {Function} [customizer] The function to customize copied values.
+	 * @returns {Object} Returns `object`.
+	 */
+	function copyObject(source, props, object, customizer) {
+	  var isNew = !object;
+	  object || (object = {});
+
+	  var index = -1,
+	      length = props.length;
+
+	  while (++index < length) {
+	    var key = props[index];
+
+	    var newValue = customizer
+	      ? customizer(object[key], source[key], key, object, source)
+	      : undefined;
+
+	    if (newValue === undefined) {
+	      newValue = source[key];
+	    }
+	    if (isNew) {
+	      baseAssignValue(object, key, newValue);
+	    } else {
+	      assignValue(object, key, newValue);
+	    }
+	  }
+	  return object;
+	}
+
+	/**
+	 * This function is like
+	 * [`Object.keys`](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)
+	 * except that it includes inherited enumerable properties.
+	 *
+	 * @private
+	 * @param {Object} object The object to query.
+	 * @returns {Array} Returns the array of property names.
+	 */
+	function nativeKeysIn(object) {
+	  var result = [];
+	  if (object != null) {
+	    for (var key in Object(object)) {
+	      result.push(key);
+	    }
+	  }
+	  return result;
+	}
+
+	/** Used for built-in method references. */
+	var objectProto$e = Object.prototype;
+
+	/** Used to check objects for own properties. */
+	var hasOwnProperty$b = objectProto$e.hasOwnProperty;
+
+	/**
+	 * The base implementation of `_.keysIn` which doesn't treat sparse arrays as dense.
+	 *
+	 * @private
+	 * @param {Object} object The object to query.
+	 * @returns {Array} Returns the array of property names.
+	 */
+	function baseKeysIn(object) {
+	  if (!isObject(object)) {
+	    return nativeKeysIn(object);
+	  }
+	  var isProto = isPrototype(object),
+	      result = [];
+
+	  for (var key in object) {
+	    if (!(key == 'constructor' && (isProto || !hasOwnProperty$b.call(object, key)))) {
+	      result.push(key);
+	    }
+	  }
+	  return result;
+	}
+
+	/**
+	 * Creates an array of the own and inherited enumerable property names of `object`.
+	 *
+	 * **Note:** Non-object values are coerced to objects.
+	 *
+	 * @static
+	 * @memberOf _
+	 * @since 3.0.0
+	 * @category Object
+	 * @param {Object} object The object to query.
+	 * @returns {Array} Returns the array of property names.
+	 * @example
+	 *
+	 * function Foo() {
+	 *   this.a = 1;
+	 *   this.b = 2;
+	 * }
+	 *
+	 * Foo.prototype.c = 3;
+	 *
+	 * _.keysIn(new Foo);
+	 * // => ['a', 'b', 'c'] (iteration order is not guaranteed)
+	 */
+	function keysIn(object) {
+	  return isArrayLike(object) ? arrayLikeKeys(object, true) : baseKeysIn(object);
+	}
+
+	/**
+	 * Converts `value` to a plain object flattening inherited enumerable string
+	 * keyed properties of `value` to own properties of the plain object.
+	 *
+	 * @static
+	 * @memberOf _
+	 * @since 3.0.0
+	 * @category Lang
+	 * @param {*} value The value to convert.
+	 * @returns {Object} Returns the converted plain object.
+	 * @example
+	 *
+	 * function Foo() {
+	 *   this.b = 2;
+	 * }
+	 *
+	 * Foo.prototype.c = 3;
+	 *
+	 * _.assign({ 'a': 1 }, new Foo);
+	 * // => { 'a': 1, 'b': 2 }
+	 *
+	 * _.assign({ 'a': 1 }, _.toPlainObject(new Foo));
+	 * // => { 'a': 1, 'b': 2, 'c': 3 }
+	 */
+	function toPlainObject(value) {
+	  return copyObject(value, keysIn(value));
+	}
+
+	/**
+	 * A specialized version of `baseMerge` for arrays and objects which performs
+	 * deep merges and tracks traversed objects enabling objects with circular
+	 * references to be merged.
+	 *
+	 * @private
+	 * @param {Object} object The destination object.
+	 * @param {Object} source The source object.
+	 * @param {string} key The key of the value to merge.
+	 * @param {number} srcIndex The index of `source`.
+	 * @param {Function} mergeFunc The function to merge values.
+	 * @param {Function} [customizer] The function to customize assigned values.
+	 * @param {Object} [stack] Tracks traversed source values and their merged
+	 *  counterparts.
+	 */
+	function baseMergeDeep(object, source, key, srcIndex, mergeFunc, customizer, stack) {
+	  var objValue = safeGet(object, key),
+	      srcValue = safeGet(source, key),
+	      stacked = stack.get(srcValue);
+
+	  if (stacked) {
+	    assignMergeValue(object, key, stacked);
+	    return;
+	  }
+	  var newValue = customizer
+	    ? customizer(objValue, srcValue, (key + ''), object, source, stack)
+	    : undefined;
+
+	  var isCommon = newValue === undefined;
+
+	  if (isCommon) {
+	    var isArr = isArray(srcValue),
+	        isBuff = !isArr && isBuffer(srcValue),
+	        isTyped = !isArr && !isBuff && isTypedArray(srcValue);
+
+	    newValue = srcValue;
+	    if (isArr || isBuff || isTyped) {
+	      if (isArray(objValue)) {
+	        newValue = objValue;
+	      }
+	      else if (isArrayLikeObject(objValue)) {
+	        newValue = copyArray(objValue);
+	      }
+	      else if (isBuff) {
+	        isCommon = false;
+	        newValue = cloneBuffer(srcValue, true);
+	      }
+	      else if (isTyped) {
+	        isCommon = false;
+	        newValue = cloneTypedArray(srcValue, true);
+	      }
+	      else {
+	        newValue = [];
+	      }
+	    }
+	    else if (isPlainObject(srcValue) || isArguments(srcValue)) {
+	      newValue = objValue;
+	      if (isArguments(objValue)) {
+	        newValue = toPlainObject(objValue);
+	      }
+	      else if (!isObject(objValue) || isFunction(objValue)) {
+	        newValue = initCloneObject(srcValue);
+	      }
+	    }
+	    else {
+	      isCommon = false;
+	    }
+	  }
+	  if (isCommon) {
+	    // Recursively merge objects and arrays (susceptible to call stack limits).
+	    stack.set(srcValue, newValue);
+	    mergeFunc(newValue, srcValue, srcIndex, customizer, stack);
+	    stack['delete'](srcValue);
+	  }
+	  assignMergeValue(object, key, newValue);
+	}
+
+	/**
+	 * The base implementation of `_.merge` without support for multiple sources.
+	 *
+	 * @private
+	 * @param {Object} object The destination object.
+	 * @param {Object} source The source object.
+	 * @param {number} srcIndex The index of `source`.
+	 * @param {Function} [customizer] The function to customize merged values.
+	 * @param {Object} [stack] Tracks traversed source values and their merged
+	 *  counterparts.
+	 */
+	function baseMerge(object, source, srcIndex, customizer, stack) {
+	  if (object === source) {
+	    return;
+	  }
+	  baseFor(source, function(srcValue, key) {
+	    stack || (stack = new Stack);
+	    if (isObject(srcValue)) {
+	      baseMergeDeep(object, source, key, srcIndex, baseMerge, customizer, stack);
+	    }
+	    else {
+	      var newValue = customizer
+	        ? customizer(safeGet(object, key), srcValue, (key + ''), object, source, stack)
+	        : undefined;
+
+	      if (newValue === undefined) {
+	        newValue = srcValue;
+	      }
+	      assignMergeValue(object, key, newValue);
+	    }
+	  }, keysIn);
+	}
+
+	/**
+	 * A faster alternative to `Function#apply`, this function invokes `func`
+	 * with the `this` binding of `thisArg` and the arguments of `args`.
+	 *
+	 * @private
+	 * @param {Function} func The function to invoke.
+	 * @param {*} thisArg The `this` binding of `func`.
+	 * @param {Array} args The arguments to invoke `func` with.
+	 * @returns {*} Returns the result of `func`.
+	 */
+	function apply(func, thisArg, args) {
+	  switch (args.length) {
+	    case 0: return func.call(thisArg);
+	    case 1: return func.call(thisArg, args[0]);
+	    case 2: return func.call(thisArg, args[0], args[1]);
+	    case 3: return func.call(thisArg, args[0], args[1], args[2]);
+	  }
+	  return func.apply(thisArg, args);
+	}
+
+	/* Built-in method references for those with the same name as other `lodash` methods. */
+	var nativeMax = Math.max;
+
+	/**
+	 * A specialized version of `baseRest` which transforms the rest array.
+	 *
+	 * @private
+	 * @param {Function} func The function to apply a rest parameter to.
+	 * @param {number} [start=func.length-1] The start position of the rest parameter.
+	 * @param {Function} transform The rest array transform.
+	 * @returns {Function} Returns the new function.
+	 */
+	function overRest(func, start, transform) {
+	  start = nativeMax(start === undefined ? (func.length - 1) : start, 0);
+	  return function() {
+	    var args = arguments,
+	        index = -1,
+	        length = nativeMax(args.length - start, 0),
+	        array = Array(length);
+
+	    while (++index < length) {
+	      array[index] = args[start + index];
+	    }
+	    index = -1;
+	    var otherArgs = Array(start + 1);
+	    while (++index < start) {
+	      otherArgs[index] = args[index];
+	    }
+	    otherArgs[start] = transform(array);
+	    return apply(func, this, otherArgs);
+	  };
+	}
+
+	/**
+	 * Creates a function that returns `value`.
+	 *
+	 * @static
+	 * @memberOf _
+	 * @since 2.4.0
+	 * @category Util
+	 * @param {*} value The value to return from the new function.
+	 * @returns {Function} Returns the new constant function.
+	 * @example
+	 *
+	 * var objects = _.times(2, _.constant({ 'a': 1 }));
+	 *
+	 * console.log(objects);
+	 * // => [{ 'a': 1 }, { 'a': 1 }]
+	 *
+	 * console.log(objects[0] === objects[1]);
+	 * // => true
+	 */
+	function constant(value) {
+	  return function() {
+	    return value;
+	  };
+	}
+
+	/**
+	 * The base implementation of `setToString` without support for hot loop shorting.
+	 *
+	 * @private
+	 * @param {Function} func The function to modify.
+	 * @param {Function} string The `toString` result.
+	 * @returns {Function} Returns `func`.
+	 */
+	var baseSetToString = !defineProperty ? identity : function(func, string) {
+	  return defineProperty(func, 'toString', {
+	    'configurable': true,
+	    'enumerable': false,
+	    'value': constant(string),
+	    'writable': true
+	  });
+	};
+
+	/** Used to detect hot functions by number of calls within a span of milliseconds. */
+	var HOT_COUNT = 800,
+	    HOT_SPAN = 16;
+
+	/* Built-in method references for those with the same name as other `lodash` methods. */
+	var nativeNow = Date.now;
+
+	/**
+	 * Creates a function that'll short out and invoke `identity` instead
+	 * of `func` when it's called `HOT_COUNT` or more times in `HOT_SPAN`
+	 * milliseconds.
+	 *
+	 * @private
+	 * @param {Function} func The function to restrict.
+	 * @returns {Function} Returns the new shortable function.
+	 */
+	function shortOut(func) {
+	  var count = 0,
+	      lastCalled = 0;
+
+	  return function() {
+	    var stamp = nativeNow(),
+	        remaining = HOT_SPAN - (stamp - lastCalled);
+
+	    lastCalled = stamp;
+	    if (remaining > 0) {
+	      if (++count >= HOT_COUNT) {
+	        return arguments[0];
+	      }
+	    } else {
+	      count = 0;
+	    }
+	    return func.apply(undefined, arguments);
+	  };
+	}
+
+	/**
+	 * Sets the `toString` method of `func` to return `string`.
+	 *
+	 * @private
+	 * @param {Function} func The function to modify.
+	 * @param {Function} string The `toString` result.
+	 * @returns {Function} Returns `func`.
+	 */
+	var setToString = shortOut(baseSetToString);
+
+	/**
+	 * The base implementation of `_.rest` which doesn't validate or coerce arguments.
+	 *
+	 * @private
+	 * @param {Function} func The function to apply a rest parameter to.
+	 * @param {number} [start=func.length-1] The start position of the rest parameter.
+	 * @returns {Function} Returns the new function.
+	 */
+	function baseRest(func, start) {
+	  return setToString(overRest(func, start, identity), func + '');
+	}
+
+	/**
+	 * Checks if the given arguments are from an iteratee call.
+	 *
+	 * @private
+	 * @param {*} value The potential iteratee value argument.
+	 * @param {*} index The potential iteratee index or key argument.
+	 * @param {*} object The potential iteratee object argument.
+	 * @returns {boolean} Returns `true` if the arguments are from an iteratee call,
+	 *  else `false`.
+	 */
+	function isIterateeCall(value, index, object) {
+	  if (!isObject(object)) {
+	    return false;
+	  }
+	  var type = typeof index;
+	  if (type == 'number'
+	        ? (isArrayLike(object) && isIndex(index, object.length))
+	        : (type == 'string' && index in object)
+	      ) {
+	    return eq(object[index], value);
+	  }
+	  return false;
+	}
+
+	/**
+	 * Creates a function like `_.assign`.
+	 *
+	 * @private
+	 * @param {Function} assigner The function to assign values.
+	 * @returns {Function} Returns the new assigner function.
+	 */
+	function createAssigner(assigner) {
+	  return baseRest(function(object, sources) {
+	    var index = -1,
+	        length = sources.length,
+	        customizer = length > 1 ? sources[length - 1] : undefined,
+	        guard = length > 2 ? sources[2] : undefined;
+
+	    customizer = (assigner.length > 3 && typeof customizer == 'function')
+	      ? (length--, customizer)
+	      : undefined;
+
+	    if (guard && isIterateeCall(sources[0], sources[1], guard)) {
+	      customizer = length < 3 ? undefined : customizer;
+	      length = 1;
+	    }
+	    object = Object(object);
+	    while (++index < length) {
+	      var source = sources[index];
+	      if (source) {
+	        assigner(object, source, index, customizer);
+	      }
+	    }
+	    return object;
+	  });
+	}
+
+	/**
+	 * This method is like `_.assign` except that it recursively merges own and
+	 * inherited enumerable string keyed properties of source objects into the
+	 * destination object. Source properties that resolve to `undefined` are
+	 * skipped if a destination value exists. Array and plain object properties
+	 * are merged recursively. Other objects and value types are overridden by
+	 * assignment. Source objects are applied from left to right. Subsequent
+	 * sources overwrite property assignments of previous sources.
+	 *
+	 * **Note:** This method mutates `object`.
+	 *
+	 * @static
+	 * @memberOf _
+	 * @since 0.5.0
+	 * @category Object
+	 * @param {Object} object The destination object.
+	 * @param {...Object} [sources] The source objects.
+	 * @returns {Object} Returns `object`.
+	 * @example
+	 *
+	 * var object = {
+	 *   'a': [{ 'b': 2 }, { 'd': 4 }]
+	 * };
+	 *
+	 * var other = {
+	 *   'a': [{ 'c': 3 }, { 'e': 5 }]
+	 * };
+	 *
+	 * _.merge(object, other);
+	 * // => { 'a': [{ 'b': 2, 'c': 3 }, { 'd': 4, 'e': 5 }] }
+	 */
+	var merge = createAssigner(function(object, source, srcIndex) {
+	  baseMerge(object, source, srcIndex);
+	});
+
+	/**
+	 * Creates an object with the same keys as `object` and values generated
+	 * by running each own enumerable string keyed property of `object` thru
+	 * `iteratee`. The iteratee is invoked with three arguments:
+	 * (value, key, object).
+	 *
+	 * @static
+	 * @memberOf _
+	 * @since 2.4.0
+	 * @category Object
+	 * @param {Object} object The object to iterate over.
+	 * @param {Function} [iteratee=_.identity] The function invoked per iteration.
+	 * @returns {Object} Returns the new mapped object.
+	 * @see _.mapKeys
+	 * @example
+	 *
+	 * var users = {
+	 *   'fred':    { 'user': 'fred',    'age': 40 },
+	 *   'pebbles': { 'user': 'pebbles', 'age': 1 }
+	 * };
+	 *
+	 * _.mapValues(users, function(o) { return o.age; });
+	 * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed)
+	 *
+	 * // The `_.property` iteratee shorthand.
+	 * _.mapValues(users, 'age');
+	 * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed)
+	 */
+	function mapValues(object, iteratee) {
+	  var result = {};
+	  iteratee = baseIteratee(iteratee);
+
+	  baseForOwn(object, function(value, key, object) {
+	    baseAssignValue(result, key, iteratee(value, key, object));
+	  });
+	  return result;
+	}
+
+	/**
+	 * The opposite of `_.mapValues`; this method creates an object with the
+	 * same values as `object` and keys generated by running each own enumerable
+	 * string keyed property of `object` thru `iteratee`. The iteratee is invoked
+	 * with three arguments: (value, key, object).
+	 *
+	 * @static
+	 * @memberOf _
+	 * @since 3.8.0
+	 * @category Object
+	 * @param {Object} object The object to iterate over.
+	 * @param {Function} [iteratee=_.identity] The function invoked per iteration.
+	 * @returns {Object} Returns the new mapped object.
+	 * @see _.mapValues
+	 * @example
+	 *
+	 * _.mapKeys({ 'a': 1, 'b': 2 }, function(value, key) {
+	 *   return key + value;
+	 * });
+	 * // => { 'a1': 1, 'b2': 2 }
+	 */
+	function mapKeys(object, iteratee) {
+	  var result = {};
+	  iteratee = baseIteratee(iteratee);
+
+	  baseForOwn(object, function(value, key, object) {
+	    baseAssignValue(result, iteratee(value, key, object), value);
+	  });
+	  return result;
+	}
+
+	/** Error message constants. */
+	var FUNC_ERROR_TEXT$1 = 'Expected a function';
+
+	/**
+	 * Creates a function that negates the result of the predicate `func`. The
+	 * `func` predicate is invoked with the `this` binding and arguments of the
+	 * created function.
+	 *
+	 * @static
+	 * @memberOf _
+	 * @since 3.0.0
+	 * @category Function
+	 * @param {Function} predicate The predicate to negate.
+	 * @returns {Function} Returns the new negated function.
+	 * @example
+	 *
+	 * function isEven(n) {
+	 *   return n % 2 == 0;
+	 * }
+	 *
+	 * _.filter([1, 2, 3, 4, 5, 6], _.negate(isEven));
+	 * // => [1, 3, 5]
+	 */
+	function negate(predicate) {
+	  if (typeof predicate != 'function') {
+	    throw new TypeError(FUNC_ERROR_TEXT$1);
+	  }
+	  return function() {
+	    var args = arguments;
+	    switch (args.length) {
+	      case 0: return !predicate.call(this);
+	      case 1: return !predicate.call(this, args[0]);
+	      case 2: return !predicate.call(this, args[0], args[1]);
+	      case 3: return !predicate.call(this, args[0], args[1], args[2]);
+	    }
+	    return !predicate.apply(this, args);
+	  };
+	}
+
+	/**
+	 * The base implementation of `_.set`.
+	 *
+	 * @private
+	 * @param {Object} object The object to modify.
+	 * @param {Array|string} path The path of the property to set.
+	 * @param {*} value The value to set.
+	 * @param {Function} [customizer] The function to customize path creation.
+	 * @returns {Object} Returns `object`.
+	 */
+	function baseSet(object, path, value, customizer) {
+	  if (!isObject(object)) {
+	    return object;
+	  }
+	  path = castPath(path, object);
+
+	  var index = -1,
+	      length = path.length,
+	      lastIndex = length - 1,
+	      nested = object;
+
+	  while (nested != null && ++index < length) {
+	    var key = toKey(path[index]),
+	        newValue = value;
+
+	    if (index != lastIndex) {
+	      var objValue = nested[key];
+	      newValue = customizer ? customizer(objValue, key, nested) : undefined;
+	      if (newValue === undefined) {
+	        newValue = isObject(objValue)
+	          ? objValue
+	          : (isIndex(path[index + 1]) ? [] : {});
+	      }
+	    }
+	    assignValue(nested, key, newValue);
+	    nested = nested[key];
+	  }
+	  return object;
+	}
+
+	/**
+	 * The base implementation of  `_.pickBy` without support for iteratee shorthands.
+	 *
+	 * @private
+	 * @param {Object} object The source object.
+	 * @param {string[]} paths The property paths to pick.
+	 * @param {Function} predicate The function invoked per property.
+	 * @returns {Object} Returns the new object.
+	 */
+	function basePickBy(object, paths, predicate) {
+	  var index = -1,
+	      length = paths.length,
+	      result = {};
+
+	  while (++index < length) {
+	    var path = paths[index],
+	        value = baseGet(object, path);
+
+	    if (predicate(value, path)) {
+	      baseSet(result, castPath(path, object), value);
+	    }
+	  }
+	  return result;
+	}
+
+	/* Built-in method references for those with the same name as other `lodash` methods. */
+	var nativeGetSymbols$1 = Object.getOwnPropertySymbols;
+
+	/**
+	 * Creates an array of the own and inherited enumerable symbols of `object`.
+	 *
+	 * @private
+	 * @param {Object} object The object to query.
+	 * @returns {Array} Returns the array of symbols.
+	 */
+	var getSymbolsIn = !nativeGetSymbols$1 ? stubArray : function(object) {
+	  var result = [];
+	  while (object) {
+	    arrayPush(result, getSymbols(object));
+	    object = getPrototype(object);
+	  }
+	  return result;
+	};
+
+	/**
+	 * Creates an array of own and inherited enumerable property names and
+	 * symbols of `object`.
+	 *
+	 * @private
+	 * @param {Object} object The object to query.
+	 * @returns {Array} Returns the array of property names and symbols.
+	 */
+	function getAllKeysIn(object) {
+	  return baseGetAllKeys(object, keysIn, getSymbolsIn);
+	}
+
+	/**
+	 * Creates an object composed of the `object` properties `predicate` returns
+	 * truthy for. The predicate is invoked with two arguments: (value, key).
+	 *
+	 * @static
+	 * @memberOf _
+	 * @since 4.0.0
+	 * @category Object
+	 * @param {Object} object The source object.
+	 * @param {Function} [predicate=_.identity] The function invoked per property.
+	 * @returns {Object} Returns the new object.
+	 * @example
+	 *
+	 * var object = { 'a': 1, 'b': '2', 'c': 3 };
+	 *
+	 * _.pickBy(object, _.isNumber);
+	 * // => { 'a': 1, 'c': 3 }
+	 */
+	function pickBy(object, predicate) {
+	  if (object == null) {
+	    return {};
+	  }
+	  var props = arrayMap(getAllKeysIn(object), function(prop) {
+	    return [prop];
+	  });
+	  predicate = baseIteratee(predicate);
+	  return basePickBy(object, props, function(value, path) {
+	    return predicate(value, path[0]);
+	  });
+	}
+
+	/**
+	 * The opposite of `_.pickBy`; this method creates an object composed of
+	 * the own and inherited enumerable string keyed properties of `object` that
+	 * `predicate` doesn't return truthy for. The predicate is invoked with two
+	 * arguments: (value, key).
+	 *
+	 * @static
+	 * @memberOf _
+	 * @since 4.0.0
+	 * @category Object
+	 * @param {Object} object The source object.
+	 * @param {Function} [predicate=_.identity] The function invoked per property.
+	 * @returns {Object} Returns the new object.
+	 * @example
+	 *
+	 * var object = { 'a': 1, 'b': '2', 'c': 3 };
+	 *
+	 * _.omitBy(object, _.isNumber);
+	 * // => { 'b': '2' }
+	 */
+	function omitBy(object, predicate) {
+	  return pickBy(object, negate(baseIteratee(predicate)));
+	}
+
+	/**
+	 * Performs a deep comparison between two values to determine if they are
+	 * equivalent.
+	 *
+	 * **Note:** This method supports comparing arrays, array buffers, booleans,
+	 * date objects, error objects, maps, numbers, `Object` objects, regexes,
+	 * sets, strings, symbols, and typed arrays. `Object` objects are compared
+	 * by their own, not inherited, enumerable properties. Functions and DOM
+	 * nodes are compared by strict equality, i.e. `===`.
+	 *
+	 * @static
+	 * @memberOf _
+	 * @since 0.1.0
+	 * @category Lang
+	 * @param {*} value The value to compare.
+	 * @param {*} other The other value to compare.
+	 * @returns {boolean} Returns `true` if the values are equivalent, else `false`.
+	 * @example
+	 *
+	 * var object = { 'a': 1 };
+	 * var other = { 'a': 1 };
+	 *
+	 * _.isEqual(object, other);
+	 * // => true
+	 *
+	 * object === other;
+	 * // => false
+	 */
+	function isEqual(value, other) {
+	  return baseIsEqual(value, other);
+	}
+
+	/**
+	 * The base implementation of methods like `_.findKey` and `_.findLastKey`,
+	 * without support for iteratee shorthands, which iterates over `collection`
+	 * using `eachFunc`.
+	 *
+	 * @private
+	 * @param {Array|Object} collection The collection to inspect.
+	 * @param {Function} predicate The function invoked per iteration.
+	 * @param {Function} eachFunc The function to iterate over `collection`.
+	 * @returns {*} Returns the found element or its key, else `undefined`.
+	 */
+	function baseFindKey(collection, predicate, eachFunc) {
+	  var result;
+	  eachFunc(collection, function(value, key, collection) {
+	    if (predicate(value, key, collection)) {
+	      result = key;
+	      return false;
+	    }
+	  });
+	  return result;
+	}
+
+	/**
+	 * This method is like `_.find` except that it returns the key of the first
+	 * element `predicate` returns truthy for instead of the element itself.
+	 *
+	 * @static
+	 * @memberOf _
+	 * @since 1.1.0
+	 * @category Object
+	 * @param {Object} object The object to inspect.
+	 * @param {Function} [predicate=_.identity] The function invoked per iteration.
+	 * @returns {string|undefined} Returns the key of the matched element,
+	 *  else `undefined`.
+	 * @example
+	 *
+	 * var users = {
+	 *   'barney':  { 'age': 36, 'active': true },
+	 *   'fred':    { 'age': 40, 'active': false },
+	 *   'pebbles': { 'age': 1,  'active': true }
+	 * };
+	 *
+	 * _.findKey(users, function(o) { return o.age < 40; });
+	 * // => 'barney' (iteration order is not guaranteed)
+	 *
+	 * // The `_.matches` iteratee shorthand.
+	 * _.findKey(users, { 'age': 1, 'active': true });
+	 * // => 'pebbles'
+	 *
+	 * // The `_.matchesProperty` iteratee shorthand.
+	 * _.findKey(users, ['active', false]);
+	 * // => 'fred'
+	 *
+	 * // The `_.property` iteratee shorthand.
+	 * _.findKey(users, 'active');
+	 * // => 'barney'
+	 */
+	function findKey(object, predicate) {
+	  return baseFindKey(object, baseIteratee(predicate), baseForOwn);
+	}
+
+	/**
+	 * Check several parameter that there is something in the param
+	 * @param {*} param input
+	 * @return {boolean}
+	 */
+
+	function notEmpty (a) {
+	  if (isArray(a)) {
+	    return true;
+	  }
+	  return a !== undefined && a !== null && trim(a) !== '';
+	}
+
+	// validator numbers
+	/**
+	 * @2015-05-04 found a problem if the value is a number like string
+	 * it will pass, so add a check if it's string before we pass to next
+	 * @param {number} value expected value
+	 * @return {boolean} true if OK
+	 */
+	var checkIsNumber = function(value) {
+	  return isString(value) ? false : !isNaN$1( parseFloat(value) )
+	};
+
+	// validate string type
+	/**
+	 * @param {string} value expected value
+	 * @return {boolean} true if OK
+	 */
+	var checkIsString = function(value) {
+	  return (trim(value) !== '') ? isString(value) : false;
+	};
+
+	// check for boolean
+	/**
+	 * @param {boolean} value expected
+	 * @return {boolean} true if OK
+	 */
+	var checkIsBoolean = function(value) {
+	  return isBoolean(value);
+	};
+
+	// validate any thing only check if there is something
+	/**
+	 * @param {*} value the value
+	 * @param {boolean} [checkNull=true] strict check if there is null value
+	 * @return {boolean} true is OK
+	 */
+	var checkIsAny = function(value, checkNull) {
+	  if ( checkNull === void 0 ) checkNull = true;
+
+	  if (!isUndefined(value) && value !== '' && trim(value) !== '') {
+	    if (checkNull === false || (checkNull === true && !isNull(value))) {
+	      return true;
+	    }
+	  }
+	  return false;
+	};
+
+	// Good practice rule - No magic number
+
+	var ARGS_NOT_ARRAY_ERR = "args is not an array! You might want to do: ES6 Array.from(arguments) or ES5 Array.prototype.slice.call(arguments)";
+	var PARAMS_NOT_ARRAY_ERR = "params is not an array! Did something gone wrong when you generate the contract.json?";
+	var EXCEPTION_CASE_ERR = 'Could not understand your arguments and parameter structure!';
+	// @TODO the jsdoc return array.<type> and we should also allow array<type> syntax
+	var DEFAULT_TYPE$1 = DEFAULT_TYPE;
+	var ARRAY_TYPE_LFT$1 = ARRAY_TYPE_LFT;
+	var ARRAY_TYPE_RGT$1 = ARRAY_TYPE_RGT;
+
+	var TYPE_KEY$1 = TYPE_KEY;
+	var OPTIONAL_KEY$1 = OPTIONAL_KEY;
+	var ENUM_KEY$1 = ENUM_KEY;
+	var ARGS_KEY$1 = ARGS_KEY;
+	var CHECKER_KEY$1 = CHECKER_KEY;
+	var ALIAS_KEY$1 = ALIAS_KEY;
+
+	var ARRAY_TYPE$1 = ARRAY_TYPE;
+	var OBJECT_TYPE$1 = OBJECT_TYPE;
+	var STRING_TYPE$1 = STRING_TYPE;
+	var BOOLEAN_TYPE$1 = BOOLEAN_TYPE;
+	var NUMBER_TYPE$1 = NUMBER_TYPE;
+	var KEY_WORD$1 = KEY_WORD;
+	var OR_SEPERATOR$1 = OR_SEPERATOR;
+
+	// not actually in use
+	// export const NUMBER_TYPES = JSONQL_CONSTANTS.NUMBER_TYPES;
+
+	// primitive types
+
+	/**
+	 * this is a wrapper method to call different one based on their type
+	 * @param {string} type to check
+	 * @return {function} a function to handle the type
+	 */
+	var combineFn = function(type) {
+	  switch (type) {
+	    case NUMBER_TYPE$1:
+	      return checkIsNumber;
+	    case STRING_TYPE$1:
+	      return checkIsString;
+	    case BOOLEAN_TYPE$1:
+	      return checkIsBoolean;
+	    default:
+	      return checkIsAny;
+	  }
+	};
+
+	// validate array type
+
+	/**
+	 * @param {array} value expected
+	 * @param {string} [type=''] pass the type if we encounter array.<T> then we need to check the value as well
+	 * @return {boolean} true if OK
+	 */
+	var checkIsArray = function(value, type) {
+	  if ( type === void 0 ) type='';
+
+	  if (isArray(value)) {
+	    if (type === '' || trim(type)==='') {
+	      return true;
+	    }
+	    // we test it in reverse
+	    // @TODO if the type is an array (OR) then what?
+	    // we need to take into account this could be an array
+	    var c = value.filter(function (v) { return !combineFn(type)(v); });
+	    return !(c.length > 0)
+	  }
+	  return false;
+	};
+
+	/**
+	 * check if it matches the array.<T> pattern
+	 * @param {string} type
+	 * @return {boolean|array} false means NO, always return array
+	 */
+	var isArrayLike$1 = function(type) {
+	  // @TODO could that have something like array<> instead of array.<>? missing the dot?
+	  // because type script is Array<T> without the dot
+	  if (type.indexOf(ARRAY_TYPE_LFT$1) > -1 && type.indexOf(ARRAY_TYPE_RGT$1) > -1) {
+	    var _type = type.replace(ARRAY_TYPE_LFT$1, '').replace(ARRAY_TYPE_RGT$1, '');
+	    if (_type.indexOf(OR_SEPERATOR$1)) {
+	      return _type.split(OR_SEPERATOR$1)
+	    }
+	    return [_type]
+	  }
+	  return false;
+	};
+
+	/**
+	 * we might encounter something like array.<T> then we need to take it apart
+	 * @param {object} p the prepared object for processing
+	 * @param {string|array} type the type came from <T>
+	 * @return {boolean} for the filter to operate on
+	 */
+	var arrayTypeHandler = function(p, type) {
+	  var arg = p.arg;
+	  // need a special case to handle the OR type
+	  // we need to test the args instead of the type(s)
+	  if (type.length > 1) {
+	    return !arg.filter(function (v) { return (
+	      !(type.length > type.filter(function (t) { return !combineFn(t)(v); }).length)
+	    ); }).length;
+	  }
+	  // type is array so this will be or!
+	  return type.length > type.filter(function (t) { return !checkIsArray(arg, t); }).length;
+	};
+
+	// validate object type
+	/**
+	 * @TODO if provide with the keys then we need to check if the key:value type as well
+	 * @param {object} value expected
+	 * @param {array} [keys=null] if it has the keys array to compare as well
+	 * @return {boolean} true if OK
+	 */
+	var checkIsObject = function(value, keys) {
+	  if ( keys === void 0 ) keys=null;
+
+	  if (isPlainObject(value)) {
+	    if (!keys) {
+	      return true;
+	    }
+	    if (checkIsArray(keys)) {
+	      // please note we DON'T care if some is optional
+	      // plese refer to the contract.json for the keys
+	      return !keys.filter(function (key) {
+	        var _value = value[key.name];
+	        return !(key.type.length > key.type.filter(function (type) {
+	          var tmp;
+	          if (!isUndefined(_value)) {
+	            if ((tmp = isArrayLike$1(type)) !== false) {
+	              return !arrayTypeHandler({arg: _value}, tmp)
+	              // return tmp.filter(t => !checkIsArray(_value, t)).length;
+	              // @TODO there might be an object within an object with keys as well :S
+	            }
+	            return !combineFn(type)(_value)
+	          }
+	          return true;
+	        }).length)
+	      }).length;
+	    }
+	  }
+	  return false;
+	};
+
+	/**
+	 * fold this into it's own function to handler different object type
+	 * @param {object} p the prepared object for process
+	 * @return {boolean}
+	 */
+	var objectTypeHandler = function(p) {
+	  var arg = p.arg;
+	  var param = p.param;
+	  var _args = [arg];
+	  if (Array.isArray(param.keys) && param.keys.length) {
+	    _args.push(param.keys);
+	  }
+	  // just simple check
+	  return checkIsObject.apply(null, _args)
+	};
+
+	/**
+	 * just a simple util for helping to debug
+	 * @param {array} args arguments
+	 * @return {void}
+	 */
+	function log() {
+	  var args = [], len = arguments.length;
+	  while ( len-- ) args[ len ] = arguments[ len ];
+
+	  try {
+	    if (window && window.console) {
+	      Reflect.apply(console.log, console, args);
+	    }
+	  } catch(e) {}
+	}
+
+	// move the index.js code here that make more sense to find where things are
+	// import debug from 'debug'
+	// const debugFn = debug('jsonql-params-validator:validator')
+	// also export this for use in other places
+
+	/**
+	 * We need to handle those optional parameter without a default value
+	 * @param {object} params from contract.json
+	 * @return {boolean} for filter operation false is actually OK
+	 */
+	var optionalHandler = function( params ) {
+	  var arg = params.arg;
+	  var param = params.param;
+	  if (notEmpty(arg)) {
+	    // debug('call optional handler', arg, params);
+	    // loop through the type in param
+	    return !(param.type.length > param.type.filter(function (type) { return validateHandler(type, params); }
+	    ).length)
+	  }
+	  return false;
+	};
+
+	/**
+	 * actually picking the validator
+	 * @param {*} type for checking
+	 * @param {*} value for checking
+	 * @return {boolean} true on OK
+	 */
+	var validateHandler = function(type, value) {
+	  var tmp;
+	  switch (true) {
+	    case type === OBJECT_TYPE$1:
+	      // debugFn('call OBJECT_TYPE')
+	      return !objectTypeHandler(value)
+	    case type === ARRAY_TYPE$1:
+	      // debugFn('call ARRAY_TYPE')
+	      return !checkIsArray(value.arg)
+	    // @TODO when the type is not present, it always fall through here
+	    // so we need to find a way to actually pre-check the type first
+	    // AKA check the contract.json map before running here
+	    case (tmp = isArrayLike$1(type)) !== false:
+	      // debugFn('call ARRAY_LIKE: %O', value)
+	      return !arrayTypeHandler(value, tmp)
+	    default:
+	      return !combineFn(type)(value.arg)
+	  }
+	};
+
+	/**
+	 * it get too longer to fit in one line so break it out from the fn below
+	 * @param {*} arg value
+	 * @param {object} param config
+	 * @return {*} value or apply default value
+	 */
+	var getOptionalValue = function(arg, param) {
+	  if (!isUndefined(arg)) {
+	    return arg;
+	  }
+	  return (param.optional === true && !isUndefined(param.defaultvalue) ? param.defaultvalue : null)
+	};
+
+	/**
+	 * padding the arguments with defaultValue if the arguments did not provide the value
+	 * this will be the name export
+	 * @param {array} args normalized arguments
+	 * @param {array} params from contract.json
+	 * @return {array} merge the two together
+	 */
+	var normalizeArgs = function(args, params) {
+	  // first we should check if this call require a validation at all
+	  // there will be situation where the function doesn't need args and params
+	  if (!checkIsArray(params)) {
+	    // debugFn('params value', params)
+	    throw new JsonqlError(PARAMS_NOT_ARRAY_ERR)
+	  }
+	  if (params.length === 0) {
+	    return [];
+	  }
+	  if (!checkIsArray(args)) {
+	    throw new JsonqlError(ARGS_NOT_ARRAY_ERR)
+	  }
+	  // debugFn(args, params);
+	  // fall through switch
+	  switch(true) {
+	    case args.length == params.length: // standard
+	      log(1);
+	      return args.map(function (arg, i) { return (
+	        {
+	          arg: arg,
+	          index: i,
+	          param: params[i]
+	        }
+	      ); })
+	    case params[0].variable === true: // using spread syntax
+	      log(2);
+	      var type = params[0].type;
+	      return args.map(function (arg, i) { return (
+	        {
+	          arg: arg,
+	          index: i, // keep the index for reference
+	          param: params[i] || { type: type, name: '_' }
+	        }
+	      ); })
+	    // with optional defaultValue parameters
+	    case args.length < params.length:
+	      log(3);
+	      return params.map(function (param, i) { return (
+	        {
+	          param: param,
+	          index: i,
+	          arg: getOptionalValue(args[i], param),
+	          optional: param.optional || false
+	        }
+	      ); })
+	    // this one pass more than it should have anything after the args.length will be cast as any type
+	    case args.length > params.length:
+	      log(4);
+	      var ctn = params.length;
+	      // this happens when we have those array.<number> type
+	      var _type = [ DEFAULT_TYPE$1 ];
+	      // we only looking at the first one, this might be a @BUG
+	      /*
+	      if ((tmp = isArrayLike(params[0].type[0])) !== false) {
+	        _type = tmp;
+	      } */
+	      // if we use the params as guide then the rest will get throw out
+	      // which is not what we want, instead, anything without the param
+	      // will get a any type and optional flag
+	      return args.map(function (arg, i) {
+	        var optional = i >= ctn ? true : !!params[i].optional;
+	        var param = params[i] || { type: _type, name: ("_" + i) };
+	        return {
+	          arg: optional ? getOptionalValue(arg, param) : arg,
+	          index: i,
+	          param: param,
+	          optional: optional
+	        }
+	      })
+	    // @TODO find out if there is more cases not cover
+	    default: // this should never happen
+	      log(5);
+	      // debugFn('args', args)
+	      // debugFn('params', params)
+	      // this is unknown therefore we just throw it!
+	      throw new JsonqlError(EXCEPTION_CASE_ERR, { args: args, params: params })
+	  }
+	};
+
+	// what we want is after the validaton we also get the normalized result
+	// which is with the optional property if the argument didn't provide it
+	/**
+	 * process the array of params back to their arguments
+	 * @param {array} result the params result
+	 * @return {array} arguments
+	 */
+	var processReturn = function (result) { return result.map(function (r) { return r.arg; }); };
+
+	/**
+	 * validator main interface
+	 * @param {array} args the arguments pass to the method call
+	 * @param {array} params from the contract for that method
+	 * @param {boolean} [withResul=false] if true then this will return the normalize result as well
+	 * @return {array} empty array on success, or failed parameter and reasons
+	 */
+	var validateSync = function(args, params, withResult) {
+	  var obj;
+
+	  if ( withResult === void 0 ) withResult = false;
+	  var cleanArgs = normalizeArgs(args, params);
+	  var checkResult = cleanArgs.filter(function (p) {
+	    // v1.4.4 this fixed the problem, the root level optional is from the last fn
+	    if (p.optional === true || p.param.optional === true) {
+	      return optionalHandler(p)
+	    }
+	    // because array of types means OR so if one pass means pass
+	    return !(p.param.type.length > p.param.type.filter(
+	      function (type) { return validateHandler(type, p); }
+	    ).length)
+	  });
+	  // using the same convention we been using all this time
+	  return !withResult ? checkResult : ( obj = {}, obj[ERROR_KEY] = checkResult, obj[DATA_KEY] = processReturn(cleanArgs), obj )
+	};
+
+	/**
+	 * A wrapper method that return promise
+	 * @param {array} args arguments
+	 * @param {array} params from contract.json
+	 * @param {boolean} [withResul=false] if true then this will return the normalize result as well
+	 * @return {object} promise.then or catch
+	 */
+	var validateAsync = function(args, params, withResult) {
+	  if ( withResult === void 0 ) withResult = false;
+
+	  return new Promise(function (resolver, rejecter) {
+	    var result = validateSync(args, params, withResult);
+	    if (withResult) {
+	      return result[ERROR_KEY].length ? rejecter(result[ERROR_KEY])
+	                                      : resolver(result[DATA_KEY])
+	    }
+	    // the different is just in the then or catch phrase
+	    return result.length ? rejecter(result) : resolver([])
+	  })
+	};
+
+	/**
+	 * @param {array} arr Array for check
+	 * @param {*} value target
+	 * @return {boolean} true on successs
+	 */
+	var isInArray = function(arr, value) {
+	  return !!arr.filter(function (a) { return a === value; }).length;
+	};
+
+	var isKeyInObject = function(obj, key) {
+	  var keys = Object.keys(obj);
+	  return isInArray(keys, key)
+	};
+
+	// just not to make my head hurt
+	var isEmpty = function (value) { return !notEmpty(value); };
+
+	/**
+	 * Map the alias to their key then grab their value over
+	 * @param {object} config the user supplied config
+	 * @param {object} appProps the default option map
+	 * @return {object} the config keys replaced with the appProps key by the ALIAS
+	 */
+	function mapAliasConfigKeys(config, appProps) {
+	  // need to do two steps
+	  // 1. take key with alias key
+	  var aliasMap = omitBy(appProps, function (value, k) { return !value[ALIAS_KEY$1]; } );
+	  if (isEqual(aliasMap, {})) {
+	    return config;
+	  }
+	  return mapKeys(config, function (v, key) { return findKey(aliasMap, function (o) { return o.alias === key; }) || key; })
+	}
+
+	/**
+	 * We only want to run the valdiation against the config (user supplied) value
+	 * but keep the defaultOptions untouch
+	 * @param {object} config configuraton supplied by user
+	 * @param {object} appProps the default options map
+	 * @return {object} the pristine values that will add back to the final output
+	 */
+	function preservePristineValues(config, appProps) {
+	  // @BUG this will filter out those that is alias key
+	  // we need to first map the alias keys back to their full key
+	  var _config = mapAliasConfigKeys(config, appProps);
+	  // take the default value out
+	  var pristineValues = mapValues(
+	    omitBy(appProps, function (value, key) { return isKeyInObject(_config, key); }),
+	    function (value) { return value.args; }
+	  );
+	  // for testing the value
+	  var checkAgainstAppProps = omitBy(appProps, function (value, key) { return !isKeyInObject(_config, key); });
+	  // output
+	  return {
+	    pristineValues: pristineValues,
+	    checkAgainstAppProps: checkAgainstAppProps,
+	    config: _config // passing this correct values back
+	  }
+	}
+
+	/**
+	 * This will take the value that is ONLY need to check
+	 * @param {object} config that one
+	 * @param {object} props map for creating checking
+	 * @return {object} put that arg into the args
+	 */
+	function processConfigAction(config, props) {
+	  // debugFn('processConfigAction', props)
+	  // v.1.2.0 add checking if its mark optional and the value is empty then pass
+	  return mapValues(props, function (value, key) {
+	    var obj, obj$1;
+
+	    return (
+	    isUndefined(config[key]) || (value[OPTIONAL_KEY$1] === true && isEmpty(config[key]))
+	      ? merge({}, value, ( obj = {}, obj[KEY_WORD$1] = true, obj ))
+	      : ( obj$1 = {}, obj$1[ARGS_KEY$1] = config[key], obj$1[TYPE_KEY$1] = value[TYPE_KEY$1], obj$1[OPTIONAL_KEY$1] = value[OPTIONAL_KEY$1] || false, obj$1[ENUM_KEY$1] = value[ENUM_KEY$1] || false, obj$1[CHECKER_KEY$1] = value[CHECKER_KEY$1] || false, obj$1 )
+	    );
+	  }
+	  )
+	}
+
+	/**
+	 * Quick transform
+	 * @TODO we should only validate those that is pass from the config
+	 * and pass through those values that is from the defaultOptions
+	 * @param {object} opts that one
+	 * @param {object} appProps mutation configuration options
+	 * @return {object} put that arg into the args
+	 */
+	function prepareArgsForValidation(opts, appProps) {
+	  var ref = preservePristineValues(opts, appProps);
+	  var config = ref.config;
+	  var pristineValues = ref.pristineValues;
+	  var checkAgainstAppProps = ref.checkAgainstAppProps;
+	  // output
+	  return [
+	    processConfigAction(config, checkAgainstAppProps),
+	    pristineValues
+	  ]
+	}
+
+	// breaking the whole thing up to see what cause the multiple calls issue
+
+	// import debug from 'debug';
+	// const debugFn = debug('jsonql-params-validator:options:validation')
+
+	/**
+	 * just make sure it returns an array to use
+	 * @param {*} arg input
+	 * @return {array} output
+	 */
+	var toArray = function (arg) { return checkIsArray(arg) ? arg : [arg]; };
+
+	/**
+	 * DIY in array
+	 * @param {array} arr to check against
+	 * @param {*} value to check
+	 * @return {boolean} true on OK
+	 */
+	var inArray = function (arr, value) { return (
+	  !!arr.filter(function (v) { return v === value; }).length
+	); };
+
+	/**
+	 * break out to make the code easier to read
+	 * @param {object} value to process
+	 * @param {function} cb the validateSync
+	 * @return {array} empty on success
+	 */
+	function validateHandler$1(value, cb) {
+	  var obj;
+
+	  // cb is the validateSync methods
+	  var args = [
+	    [ value[ARGS_KEY$1] ],
+	    [( obj = {}, obj[TYPE_KEY$1] = toArray(value[TYPE_KEY$1]), obj[OPTIONAL_KEY$1] = value[OPTIONAL_KEY$1], obj )]
+	  ];
+	  // debugFn('validateHandler', args)
+	  return Reflect.apply(cb, null, args)
+	}
+
+	/**
+	 * Check against the enum value if it's provided
+	 * @param {*} value to check
+	 * @param {*} enumv to check against if it's not false
+	 * @return {boolean} true on OK
+	 */
+	var enumHandler = function (value, enumv) {
+	  if (checkIsArray(enumv)) {
+	    return inArray(enumv, value)
+	  }
+	  return true;
+	};
+
+	/**
+	 * Allow passing a function to check the value
+	 * There might be a problem here if the function is incorrect
+	 * and that will makes it hard to debug what is going on inside
+	 * @TODO there could be a few feature add to this one under different circumstance
+	 * @param {*} value to check
+	 * @param {function} checker for checking
+	 */
+	var checkerHandler = function (value, checker) {
+	  try {
+	    return isFunction(checker) ? checker.apply(null, [value]) : false;
+	  } catch (e) {
+	    return false;
+	  }
+	};
+
+	/**
+	 * Taken out from the runValidaton this only validate the required values
+	 * @param {array} args from the config2argsAction
+	 * @param {function} cb validateSync
+	 * @return {array} of configuration values
+	 */
+	function runValidationAction(cb) {
+	  return function (value, key) {
+	    // debugFn('runValidationAction', key, value)
+	    if (value[KEY_WORD$1]) {
+	      return value[ARGS_KEY$1]
+	    }
+	    var check = validateHandler$1(value, cb);
+	    if (check.length) {
+	      log('runValidationAction', key, value);
+	      throw new JsonqlTypeError(key, check)
+	    }
+	    if (value[ENUM_KEY$1] !== false && !enumHandler(value[ARGS_KEY$1], value[ENUM_KEY$1])) {
+	      log(ENUM_KEY$1, value[ENUM_KEY$1]);
+	      throw new JsonqlEnumError(key)
+	    }
+	    if (value[CHECKER_KEY$1] !== false && !checkerHandler(value[ARGS_KEY$1], value[CHECKER_KEY$1])) {
+	      log(CHECKER_KEY$1, value[CHECKER_KEY$1]);
+	      throw new JsonqlCheckerError(key)
+	    }
+	    return value[ARGS_KEY$1]
+	  }
+	}
+
+	/**
+	 * @param {object} args from the config2argsAction
+	 * @param {function} cb validateSync
+	 * @return {object} of configuration values
+	 */
+	function runValidation(args, cb) {
+	  var argsForValidate = args[0];
+	  var pristineValues = args[1];
+	  // turn the thing into an array and see what happen here
+	  // debugFn('_args', argsForValidate)
+	  var result = mapValues(argsForValidate, runValidationAction(cb));
+	  return merge(result, pristineValues)
+	}
+
+	// this is port back from the client to share across all projects
+
+	/**
+	 * @param {object} config user provide configuration option
+	 * @param {object} appProps mutation configuration options
+	 * @param {object} constProps the immutable configuration options
+	 * @param {function} cb the validateSync method
+	 * @return {object} Promise resolve merge config object
+	 */
+	function checkOptionsSync(config, appProps, constProps, cb) {
+	  if ( config === void 0 ) config = {};
+
+	  return merge(
+	    runValidation(
+	      prepareArgsForValidation(config, appProps),
+	      cb
+	    ),
+	    constProps
+	  )
+	}
+
+	// create function to construct the config entry so we don't need to keep building object
+	// import debug from 'debug';
+	// const debugFn = debug('jsonql-params-validator:construct-config');
+	/**
+	 * @param {*} args value
+	 * @param {string} type for value
+	 * @param {boolean} [optional=false]
+	 * @param {boolean|array} [enumv=false]
+	 * @param {boolean|function} [checker=false]
+	 * @return {object} config entry
+	 */
+	function constructConfigFn(args, type, optional, enumv, checker, alias) {
+	  if ( optional === void 0 ) optional=false;
+	  if ( enumv === void 0 ) enumv=false;
+	  if ( checker === void 0 ) checker=false;
+	  if ( alias === void 0 ) alias=false;
+
+	  var base = {};
+	  base[ARGS_KEY] = args;
+	  base[TYPE_KEY] = type;
+	  if (optional === true) {
+	    base[OPTIONAL_KEY] = true;
+	  }
+	  if (checkIsArray(enumv)) {
+	    base[ENUM_KEY] = enumv;
+	  }
+	  if (isFunction(checker)) {
+	    base[CHECKER_KEY] = checker;
+	  }
+	  if (isString(alias)) {
+	    base[ALIAS_KEY] = alias;
+	  }
+	  return base;
+	}
+
+	// export also create wrapper methods
+
+	// import debug from 'debug';
+	// const debugFn = debug('jsonql-params-validator:options:index');
+
+	/**
+	 * This has a different interface
+	 * @param {*} value to supply
+	 * @param {string|array} type for checking
+	 * @param {object} params to map against the config check
+	 * @param {array} params.enumv NOT enum
+	 * @param {boolean} params.optional false then nothing
+	 * @param {function} params.checker need more work on this one later
+	 * @param {string} params.alias mostly for cmd
+	 */
+	var createConfig = function (value, type, params) {
+	  if ( params === void 0 ) params = {};
+
+	  // Note the enumv not ENUM
+	  // const { enumv, optional, checker, alias } = params;
+	  // let args = [value, type, optional, enumv, checker, alias];
+	  var o = params[OPTIONAL_KEY];
+	  var e = params[ENUM_KEY];
+	  var c = params[CHECKER_KEY];
+	  var a = params[ALIAS_KEY];
+	  return constructConfigFn.apply(null,  [value, type, o, e, c, a])
+	};
+
+	// copy of above but it's sync
+	var checkConfig = function(validateSync) {
+	  return function(config, appProps, constantProps) {
+	    if ( constantProps === void 0 ) constantProps = {};
+
+	    return checkOptionsSync(config, appProps, constantProps, validateSync)
+	  }
+	};
+
+	// export
+	var isString$1 = checkIsString;
+	var isArray$1 = checkIsArray;
+	var validateAsync$1 = validateAsync;
+
+	var createConfig$1 = createConfig;
+	var checkConfig$1 = checkConfig(validateSync);
+
+	// bunch of generic helpers
+
+	// quick and dirty to turn non array to array
+	var toArray$1 = function (arg) { return isArray(arg) ? arg : [arg]; };
+
+	/**
+	 * using just the map reduce to chain multiple functions together
+	 * @param {function} mainFn the init function
+	 * @param {array} moreFns as many as you want to take the last value and return a new one
+	 * @return {function} accept value for the mainFn
+	 */
+	var chainFns = function (mainFn) {
+	  var moreFns = [], len = arguments.length - 1;
+	  while ( len-- > 0 ) moreFns[ len ] = arguments[ len + 1 ];
+
+	  return (
+	  function () {
+	    var args = [], len = arguments.length;
+	    while ( len-- ) args[ len ] = arguments[ len ];
+
+	    return (
+	    moreFns.reduce(function (value, nextFn) { return (
+	      // change here to check if the return value is array then we spread it 
+	      Reflect.apply(nextFn, null, toArray$1(value))
+	    ); }, Reflect.apply(mainFn, null, args))
+	  );
+	  }
+	);
+	};
+
+	/**
+	 * check if the object has name property
+	 * @param {object} obj the object to check
+	 * @param {string} name the prop name
+	 * @return {*} the value or undefined
+	 */
+	function objHasProp(obj, name) {
+	  var prop = Object.getOwnPropertyDescriptor(obj, name);
+	  return prop !== undefined && prop.value ? prop.value : prop;
+	}
+
+	/**
+	 * After the user login we will use this Object.define add a new property
+	 * to the resolver with the decoded user data
+	 * @param {function} resolver target resolver
+	 * @param {string} name the name of the object to get inject also for checking
+	 * @param {object} data to inject into the function static interface
+	 * @param {boolean} [overwrite=false] if we want to overwrite the existing data
+	 * @return {function} added property resolver
+	 */
+	function injectToFn(resolver, name, data, overwrite) {
+	  if ( overwrite === void 0 ) overwrite = false;
+
+	  var check = objHasProp(resolver, name);
+	  if (overwrite === false && check !== undefined) {
+	    // console.info(`NOT INJECTED`)
+	    return resolver;
+	  }
+	  /* this will throw error!
+	  if (overwrite === true && check !== undefined) {
+	    delete resolver[name] // delete this property
+	  }
+	  */
+	  // console.info(`INJECTED`)
+	  Object.defineProperty(resolver, name, {
+	    value: data,
+	    writable: overwrite // if its set to true then we should able to overwrite it
+	  });
+
+	  return resolver;
+	}
+
+	// breaking out the inner methods generator in here
+
+	/**
+	 * generate authorisation specific methods
+	 * @param {object} jsonqlInstance instance of this
+	 * @param {string} name of method
+	 * @param {object} opts configuration
+	 * @param {object} contract to match
+	 * @return {function} for use
+	 */
+	var authMethodGenerator = function (jsonqlInstance, name, opts, contract) {
+	  return function () {
+	    var args = [], len = arguments.length;
+	    while ( len-- ) args[ len ] = arguments[ len ];
+
+	    var params = contract.auth[name].params;
+	    var values = params.map(function (p, i) { return args[i]; });
+	    var header = args[params.length] || {};
+	    return validateAsync$1(args, params)
+	      .then(function () { return jsonqlInstance
+	          .query
+	          .apply(jsonqlInstance, [name, values, header]); }
+	      )
+	      .catch(finalCatch)
+	  }
+	};
+
+	/**
+	 * Break up the different type each - create query methods
+	 * @param {object} obj to hold all the objects
+	 * @param {object} jsonqlInstance jsonql class instance
+	 * @param {object} ee eventEmitter
+	 * @param {object} config configuration
+	 * @param {object} contract json
+	 * @return {object} modified output for next op
+	 */
+	var createQueryMethods = function (obj, jsonqlInstance, ee, config, contract) {
+	  var query = {};
+	  var loop = function ( queryFn ) {
+	    // to keep it clean we use a param to id the auth method
+	    // const fn = (_contract.query[queryFn].auth === true) ? 'auth' : queryFn;
+	    // generate the query method
+	    query = injectToFn(query, queryFn, function queryFnHandler() {
+	      var args = [], len = arguments.length;
+	      while ( len-- ) args[ len ] = arguments[ len ];
+
+	    // obj.query[queryFn] = (...args) => {
+	      var params = contract.query[queryFn].params;
+	      var _args = params.map(function (param, i) { return args[i]; });
+	      // debug('query', queryFn, _params);
+	      // @TODO this need to change
+	      // the +1 parameter is the extra headers we want to pass
+	      var header = args[params.length] || {};
+	      // @TODO validate against the type
+	      return validateAsync$1(_args, params)
+	        .then(function () { return jsonqlInstance
+	            .query
+	            .apply(jsonqlInstance, [queryFn, _args, header]); }
+	        )
+	        .catch(finalCatch)
+	    });
+	  };
+
+	  for (var queryFn in contract.query) loop( queryFn );
+	  obj.query = query;
+	  // create an alias to the helloWorld method
+	  obj.helloWorld = query.helloWorld;
+	  return [ obj, jsonqlInstance, ee, config, contract ]
+	};
+
+	/**
+	 * create mutation methods
+	 * @param {object} obj to hold all the objects
+	 * @param {object} jsonqlInstance jsonql class instance
+	 * @param {object} ee eventEmitter
+	 * @param {object} config configuration
+	 * @param {object} contract json
+	 * @return {object} modified output for next op
+	 */
+	var createMutationMethods = function (obj, jsonqlInstance, ee, config, contract) {
+	  var mutation = {};
+	  // process the mutation, the reason the mutation has a fixed number of parameters
+	  // there is only the payload, and conditions parameters
+	  // plus a header at the end
+	  var loop = function ( mutationFn ) {
+	    mutation = injectToFn(mutation, mutationFn, function mutationFnHandler(payload, conditions, header) {
+	      if ( header === void 0 ) header = {};
+
+	    //obj.mutation[mutationFn] = (payload, conditions, header = {}) => {
+	      var args = [payload, conditions];
+	      var params = contract.mutation[mutationFn].params;
+	      return validateAsync$1(args, params)
+	        .then(function () { return jsonqlInstance
+	            .mutation
+	            .apply(jsonqlInstance, [mutationFn, payload, conditions, header]); }
+	        )
+	        .catch(finalCatch)
+	    });
+	  };
+
+	  for (var mutationFn in contract.mutation) loop( mutationFn );
+	  obj.mutation = mutation;
+	  return [ obj, jsonqlInstance, ee, config, contract ]
+	};
+
+	/**
+	 * create auth methods
+	 * @param {object} obj to hold all the objects
+	 * @param {object} jsonqlInstance jsonql class instance
+	 * @param {object} ee eventEmitter
+	 * @param {object} config configuration
+	 * @param {object} contract json
+	 * @return {object} modified output for next op
+	 */
+	var createAuthMethods = function (obj, jsonqlInstance, ee, config, contract) {
+	  if (config.enableAuth && contract.auth) {
+	    var auth = {}; // v1.3.1 add back the auth prop name in contract
+	    var loginHandlerName = config.loginHandlerName;
+	    var logoutHandlerName = config.logoutHandlerName;
+	    if (contract.auth[loginHandlerName]) {
+	      // changing to the name the config specify
+	      auth[loginHandlerName] = function loginHandlerFn() {
+	        var args = [], len = arguments.length;
+	        while ( len-- ) args[ len ] = arguments[ len ];
+
+	        var fn = authMethodGenerator(jsonqlInstance, loginHandlerName, config, contract);
+	        return fn.apply(null, args)
+	          .then(jsonqlInstance.postLoginAction)
+	          .then(function (token) {
+	            ee.$trigger(ISSUER_NAME, token);
+	            return token;
+	          })
+	      };
+	    }
+	    if (contract.auth[logoutHandlerName]) {
+	      auth[logoutHandlerName] = function logoutHandlerFn() {
+	        var args = [], len = arguments.length;
+	        while ( len-- ) args[ len ] = arguments[ len ];
+
+	        var fn = authMethodGenerator(jsonqlInstance, logoutHandlerName, config, contract);
+	        return fn.apply(null, args)
+	          .then(jsonqlInstance.postLogoutAction)
+	          .then(function (r) {
+	            ee.$trigger(LOGOUT_NAME, r);
+	            return r;
+	          })
+	      };
+	    } else {
+	      auth[logoutHandlerName] = function logoutHandlerFn() {
+	        jsonqlInstance.postLogoutAction(KEY_WORD);
+	        ee.$trigger(LOGOUT_NAME, KEY_WORD);
+	      };
+	    }
+	    obj.auth = auth;
+	  }
+	  return obj;
+	};
+
+	/**
+	 * Here just generate the methods calls
+	 * @param {object} jsonqlInstance what it said
+	 * @param {object} ee event emitter
+	 * @param {object} config configuration
+	 * @param {object} contract the map
+	 * @return {object} with mapped methods
+	 */
+	function methodsGenerator(jsonqlInstance, ee, config, contract) {
+	  var obj = {};
+	  var executor = chainFns(createQueryMethods, createMutationMethods, createAuthMethods);
+	  return executor(obj, jsonqlInstance, ee, config, contract)
+	}
+
+	/**
+	 * Checks if `value` is classified as an `Array` object.
+	 *
+	 * @static
+	 * @memberOf _
+	 * @since 0.1.0
+	 * @category Lang
+	 * @param {*} value The value to check.
+	 * @returns {boolean} Returns `true` if `value` is an array, else `false`.
+	 * @example
+	 *
+	 * _.isArray([1, 2, 3]);
+	 * // => true
+	 *
+	 * _.isArray(document.body.children);
+	 * // => false
+	 *
+	 * _.isArray('abc');
+	 * // => false
+	 *
+	 * _.isArray(_.noop);
+	 * // => false
+	 */
+	var isArray$2 = Array.isArray;
+
+	var global$1$1 = (typeof global$1 !== "undefined" ? global$1 :
+	            typeof self !== "undefined" ? self :
+	            typeof window !== "undefined" ? window : {});
+
+	/** Detect free variable `global` from Node.js. */
+	var freeGlobal$1 = typeof global$1$1 == 'object' && global$1$1 && global$1$1.Object === Object && global$1$1;
+
+	/** Detect free variable `self`. */
+	var freeSelf$1 = typeof self == 'object' && self && self.Object === Object && self;
+
+	/** Used as a reference to the global object. */
+	var root$1 = freeGlobal$1 || freeSelf$1 || Function('return this')();
+
+	/** Built-in value references. */
+	var Symbol$2 = root$1.Symbol;
+
+	/** Used for built-in method references. */
+	var objectProto$f = Object.prototype;
+
+	/** Used to check objects for own properties. */
+	var hasOwnProperty$c = objectProto$f.hasOwnProperty;
+
+	/**
+	 * Used to resolve the
+	 * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)
+	 * of values.
+	 */
+	var nativeObjectToString$2 = objectProto$f.toString;
+
+	/** Built-in value references. */
+	var symToStringTag$2 = Symbol$2 ? Symbol$2.toStringTag : undefined;
+
+	/**
+	 * A specialized version of `baseGetTag` which ignores `Symbol.toStringTag` values.
+	 *
+	 * @private
+	 * @param {*} value The value to query.
+	 * @returns {string} Returns the raw `toStringTag`.
+	 */
+	function getRawTag$1(value) {
+	  var isOwn = hasOwnProperty$c.call(value, symToStringTag$2),
+	      tag = value[symToStringTag$2];
+
+	  try {
+	    value[symToStringTag$2] = undefined;
+	    var unmasked = true;
+	  } catch (e) {}
+
+	  var result = nativeObjectToString$2.call(value);
+	  if (unmasked) {
+	    if (isOwn) {
+	      value[symToStringTag$2] = tag;
+	    } else {
+	      delete value[symToStringTag$2];
+	    }
+	  }
+	  return result;
+	}
+
+	/** Used for built-in method references. */
+	var objectProto$1$1 = Object.prototype;
+
+	/**
+	 * Used to resolve the
+	 * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)
+	 * of values.
+	 */
+	var nativeObjectToString$1$1 = objectProto$1$1.toString;
+
+	/**
+	 * Converts `value` to a string using `Object.prototype.toString`.
+	 *
+	 * @private
+	 * @param {*} value The value to convert.
+	 * @returns {string} Returns the converted string.
+	 */
+	function objectToString$1(value) {
+	  return nativeObjectToString$1$1.call(value);
+	}
+
+	/** `Object#toString` result references. */
+	var nullTag$1 = '[object Null]',
+	    undefinedTag$1 = '[object Undefined]';
+
+	/** Built-in value references. */
+	var symToStringTag$1$1 = Symbol$2 ? Symbol$2.toStringTag : undefined;
+
+	/**
+	 * The base implementation of `getTag` without fallbacks for buggy environments.
+	 *
+	 * @private
+	 * @param {*} value The value to query.
+	 * @returns {string} Returns the `toStringTag`.
+	 */
+	function baseGetTag$1(value) {
+	  if (value == null) {
+	    return value === undefined ? undefinedTag$1 : nullTag$1;
+	  }
+	  return (symToStringTag$1$1 && symToStringTag$1$1 in Object(value))
+	    ? getRawTag$1(value)
+	    : objectToString$1(value);
+	}
+
+	/**
+	 * Creates a unary function that invokes `func` with its argument transformed.
+	 *
+	 * @private
+	 * @param {Function} func The function to wrap.
+	 * @param {Function} transform The argument transform.
+	 * @returns {Function} Returns the new function.
+	 */
+	function overArg$1(func, transform) {
+	  return function(arg) {
+	    return func(transform(arg));
+	  };
+	}
+
+	/** Built-in value references. */
+	var getPrototype$1 = overArg$1(Object.getPrototypeOf, Object);
+
+	/**
+	 * Checks if `value` is object-like. A value is object-like if it's not `null`
+	 * and has a `typeof` result of "object".
+	 *
+	 * @static
+	 * @memberOf _
+	 * @since 4.0.0
+	 * @category Lang
+	 * @param {*} value The value to check.
+	 * @returns {boolean} Returns `true` if `value` is object-like, else `false`.
+	 * @example
+	 *
+	 * _.isObjectLike({});
+	 * // => true
+	 *
+	 * _.isObjectLike([1, 2, 3]);
+	 * // => true
+	 *
+	 * _.isObjectLike(_.noop);
+	 * // => false
+	 *
+	 * _.isObjectLike(null);
+	 * // => false
+	 */
+	function isObjectLike$1(value) {
+	  return value != null && typeof value == 'object';
+	}
+
+	/** `Object#toString` result references. */
+	var objectTag$4 = '[object Object]';
+
+	/** Used for built-in method references. */
+	var funcProto$3 = Function.prototype,
+	    objectProto$2$1 = Object.prototype;
+
+	/** Used to resolve the decompiled source of functions. */
+	var funcToString$3 = funcProto$3.toString;
+
+	/** Used to check objects for own properties. */
+	var hasOwnProperty$1$1 = objectProto$2$1.hasOwnProperty;
+
+	/** Used to infer the `Object` constructor. */
+	var objectCtorString$1 = funcToString$3.call(Object);
+
+	/**
+	 * Checks if `value` is a plain object, that is, an object created by the
+	 * `Object` constructor or one with a `[[Prototype]]` of `null`.
+	 *
+	 * @static
+	 * @memberOf _
+	 * @since 0.8.0
+	 * @category Lang
+	 * @param {*} value The value to check.
+	 * @returns {boolean} Returns `true` if `value` is a plain object, else `false`.
+	 * @example
+	 *
+	 * function Foo() {
+	 *   this.a = 1;
+	 * }
+	 *
+	 * _.isPlainObject(new Foo);
+	 * // => false
+	 *
+	 * _.isPlainObject([1, 2, 3]);
+	 * // => false
+	 *
+	 * _.isPlainObject({ 'x': 0, 'y': 0 });
+	 * // => true
+	 *
+	 * _.isPlainObject(Object.create(null));
+	 * // => true
+	 */
+	function isPlainObject$1(value) {
+	  if (!isObjectLike$1(value) || baseGetTag$1(value) != objectTag$4) {
+	    return false;
+	  }
+	  var proto = getPrototype$1(value);
+	  if (proto === null) {
+	    return true;
+	  }
+	  var Ctor = hasOwnProperty$1$1.call(proto, 'constructor') && proto.constructor;
+	  return typeof Ctor == 'function' && Ctor instanceof Ctor &&
+	    funcToString$3.call(Ctor) == objectCtorString$1;
+	}
+
+	/** Used to convert symbols to primitives and strings. */
+	var symbolProto$2 = Symbol$2 ? Symbol$2.prototype : undefined,
+	    symbolToString$1 = symbolProto$2 ? symbolProto$2.toString : undefined;
+
+	/** `Object#toString` result references. */
+	var stringTag$3 = '[object String]';
+
+	/**
+	 * Checks if `value` is classified as a `String` primitive or object.
+	 *
+	 * @static
+	 * @since 0.1.0
+	 * @memberOf _
+	 * @category Lang
+	 * @param {*} value The value to check.
+	 * @returns {boolean} Returns `true` if `value` is a string, else `false`.
+	 * @example
+	 *
+	 * _.isString('abc');
+	 * // => true
+	 *
+	 * _.isString(1);
+	 * // => false
+	 */
+	function isString$2(value) {
+	  return typeof value == 'string' ||
+	    (!isArray$2(value) && isObjectLike$1(value) && baseGetTag$1(value) == stringTag$3);
+	}
+
+	// bunch of generic helpers
+
+	/**
+	 * DIY in Array
+	 * @param {array} arr to check from
+	 * @param {*} value to check against
+	 * @return {boolean} true on found
+	 */
+	var inArray$1 = function (arr, value) { return !!arr.filter(function (a) { return a === value; }).length; };
+
+	/**
+	 * @param {object} obj for search
+	 * @param {string} key target
+	 * @return {boolean} true on success
+	 */
+	var isObjectHasKey$1 = function(obj, key) {
+	  var keys = Object.keys(obj);
+	  return inArray$1(keys, key)
+	};
+
+	/**
+	 * create a event name
+	 * @param {string[]} args
+	 * @return {string} event name for use
+	 */
+	var createEvt = function () {
+	  var arguments$1 = arguments;
+
+	  var args = [], len = arguments.length;
+	  while ( len-- ) { args[ len ] = arguments$1[ len ]; }
+
+	  return args.join('_');
+	};
+
+	/**
+	 * @param {boolean} sec return in second or not
+	 * @return {number} timestamp
+	 */
+	var timestamp = function (sec) {
+	  if ( sec === void 0 ) { sec = false; }
+
+	  var time = Date.now();
+	  return sec ? Math.floor( time / 1000 ) : time;
+	};
+
+	/**
+	 * @return {object} _cb as key with timestamp
+	 */
+	var cacheBurst = function () { return ({ _cb: timestamp() }); };
+
+	// the core stuff to id if it's calling with jsonql
+	var DATA_KEY$1 = 'data';
+	var ERROR_KEY$1 = 'error';
+
+	// @TODO remove this is not in use
+	// export const CLIENT_CONFIG_FILE = '.clients.json';
+	// export const CONTRACT_CONFIG_FILE = 'jsonql-contract-config.js';
+	// type of resolvers
+	var QUERY_NAME = 'query';
+	var MUTATION_NAME = 'mutation';
+	var SOCKET_NAME = 'socket';
+	// for calling the mutation
+	var PAYLOAD_PARAM_NAME = 'payload';
+	var CONDITION_PARAM_NAME = 'condition';
+	var QUERY_ARG_NAME = 'args';
+
+	/**
+	 * some time it's hard to tell where the error is throw from
+	 * because client server throw the same, therefore this util fn
+	 * to add a property to the error object to tell if it's throw
+	 * from client or server
+	 *
+	 */
+
+	var isBrowser = function () {
+	  try {
+	    if (window || document) {
+	      return true;
+	    }
+	  } catch(e) {}
+	  return false;
+	};
+
+	var isNode = function () {
+	  try {
+	    if (!isBrowser() && global$1$1) {
+	      return true;
+	    }
+	  } catch(e) {}
+	  return false;
+	};
+
+	function whereAmI() {
+	  if (isBrowser()) {
+	    return 'browser'
+	  }
+	  if (isNode()) {
+	    return 'node'
+	  }
+	  return 'unknown'
+	}
+
+	// The base Error of all
+
+	var JsonqlBaseError = /*@__PURE__*/(function (Error) {
+	  function JsonqlBaseError() {
+	    var arguments$1 = arguments;
+
+	    var args = [], len = arguments.length;
+	    while ( len-- ) { args[ len ] = arguments$1[ len ]; }
+
+	    Error.apply(this, args);
+	  }
+
+	  if ( Error ) { JsonqlBaseError.__proto__ = Error; }
+	  JsonqlBaseError.prototype = Object.create( Error && Error.prototype );
+	  JsonqlBaseError.prototype.constructor = JsonqlBaseError;
+
+	  JsonqlBaseError.where = function where () {
+	    return whereAmI()
+	  };
+
+	  return JsonqlBaseError;
+	}(Error));
+
+	// custom validation error class
+	// when validaton failed
+	var JsonqlValidationError$1 = /*@__PURE__*/(function (JsonqlBaseError) {
+	  function JsonqlValidationError() {
+	    var arguments$1 = arguments;
+
+	    var args = [], len = arguments.length;
+	    while ( len-- ) { args[ len ] = arguments$1[ len ]; }
+
+	    JsonqlBaseError.apply(this, args);
+
+	    this.message = args[0];
+	    this.detail = args[1];
+
+	    this.className = JsonqlValidationError.name;
+
+	    if (Error.captureStackTrace) {
+	      Error.captureStackTrace(this, JsonqlValidationError);
+	    }
+	  }
+
+	  if ( JsonqlBaseError ) { JsonqlValidationError.__proto__ = JsonqlBaseError; }
+	  JsonqlValidationError.prototype = Object.create( JsonqlBaseError && JsonqlBaseError.prototype );
+	  JsonqlValidationError.prototype.constructor = JsonqlValidationError;
+
+	  var staticAccessors = { name: { configurable: true } };
+
+	  staticAccessors.name.get = function () {
+	    return 'JsonqlValidationError';
+	  };
+
+	  Object.defineProperties( JsonqlValidationError, staticAccessors );
+
+	  return JsonqlValidationError;
+	}(JsonqlBaseError));
+
+	// split the contract into the node side and the generic side
+	/**
+	 * Check if the json is a contract file or not
+	 * @param {object} contract json object
+	 * @return {boolean} true
+	 */
+	function checkIsContract(contract) {
+	  return isPlainObject$1(contract)
+	  && (
+	    isObjectHasKey$1(contract, QUERY_NAME)
+	 || isObjectHasKey$1(contract, MUTATION_NAME)
+	 || isObjectHasKey$1(contract, SOCKET_NAME)
+	  )
+	}
+
+	/**
+	 * @param {*} args arguments to send
+	 *@return {object} formatted payload
+	 */
+	var formatPayload = function (args) {
+	  var obj;
+
+	  return (
+	  ( obj = {}, obj[QUERY_ARG_NAME] = args, obj )
+	);
+	};
+
+	/**
+	 * Get name from the payload (ported back from jsonql-koa)
+	 * @param {*} payload to extract from
+	 * @return {string} name
+	 */
+	function getNameFromPayload(payload) {
+	  return Object.keys(payload)[0]
+	}
+
+	/**
+	 * @param {string} resolverName name of function
+	 * @param {array} [args=[]] from the ...args
+	 * @param {boolean} [jsonp = false] add v1.3.0 to koa
+	 * @return {object} formatted argument
+	 */
+	function createQuery(resolverName, args, jsonp) {
+	  var obj;
+
+	  if ( args === void 0 ) { args = []; }
+	  if ( jsonp === void 0 ) { jsonp = false; }
+	  if (isString$2(resolverName) && isArray$2(args)) {
+	    var payload = formatPayload(args);
+	    if (jsonp === true) {
+	      return payload;
+	    }
+	    return ( obj = {}, obj[resolverName] = payload, obj )
+	  }
+	  throw new JsonqlValidationError$1("[createQuery] expect resolverName to be string and args to be array!", { resolverName: resolverName, args: args })
+	}
+
+	/**
+	 * @param {string} resolverName name of function
+	 * @param {*} payload to send
+	 * @param {object} [condition={}] for what
+	 * @param {boolean} [jsonp = false] add v1.3.0 to koa
+	 * @return {object} formatted argument
+	 */
+	function createMutation(resolverName, payload, condition, jsonp) {
+	  var obj;
+
+	  if ( condition === void 0 ) { condition = {}; }
+	  if ( jsonp === void 0 ) { jsonp = false; }
+	  var _payload = {};
+	  _payload[PAYLOAD_PARAM_NAME] = payload;
+	  _payload[CONDITION_PARAM_NAME] = condition;
+	  if (jsonp === true) {
+	    return _payload;
+	  }
+	  if (isString$2(resolverName)) {
+	    return ( obj = {}, obj[resolverName] = _payload, obj )
+	  }
+	  throw new JsonqlValidationError$1("[createMutation] expect resolverName to be string!", { resolverName: resolverName, payload: payload, condition: condition })
+	}
+
+	// ported from http-client
+
+	/**
+	 * handle the return data
+	 * @param {object} result return from server
+	 * @return {object} strip the data part out, or if the error is presented
+	 */
+	var resultHandler = function (result) { return (
+	  (isObjectHasKey$1(result, DATA_KEY$1) && !isObjectHasKey$1(result, ERROR_KEY$1)) ? result[DATA_KEY$1] : result
+	); };
+
+	// exportfor ES modules
+
+	// alias
+	var isContract = checkIsContract;
+
+	// take only the module part which is what we use here
+
+	/**
+	 * @param {object} jsonqlInstance the init instance of jsonql client
+	 * @param {object} contract the static contract
+	 * @return {object} contract may be from server
+	 */
+	var getContractFromConfig = function(jsonqlInstance, contract) {
+	  if ( contract === void 0 ) contract = {};
+
+	  if (isContract(contract)) {
+	    return Promise.resolve(contract)
+	  }
+	  return jsonqlInstance.getContract()
+	};
+
+	// export some constants as well
+	// since it's only use here there is no point of adding it to the constants module
+	// or may be we add it back later
+	var ENDPOINT_TABLE = 'endpoint';
+	var USERDATA_TABLE = 'userdata';
+
+	// This generator will use the old style
+
+
+	/**
+	 * Group all the same methods together
+	 * @param {object} ee event emitter
+	 * @param {string} type query, mutation or auth
+	 * @param {string} resolverName use as the guide
+	 * @param {array} args from the call
+	 * @return {function} the handler itself
+	 */
+	var handler = function (ee, type) {
+	  // we don't run validate here because we want until the contract is ready
+	  return function (resolverName) {
+	    var args = [], len = arguments.length - 1;
+	    while ( len-- > 0 ) args[ len ] = arguments[ len + 1 ];
+
+	    return (
+	    new Promise(function (resolver, rejecter) {
+	      // this are the callbacks
+	      ee.$only(createEvt(type, resolverName, ON_RESULT_PROP_NAME), resolver);
+	      ee.$only(createEvt(type, resolverName, ON_ERROR_PROP_NAME), rejecter);
+	      // this is the main call
+	      ee.$trigger(type, { resolverName: resolverName, args: args });
+	    })
+	  );
+	  }
+	};
+
+	/**
+	 * @param {object} ee eventEmitter
+	 * @param {object} contract the map
+	 * @param {object} config configuration
+	 */
+	var validateRegisteredEvents = function (ee, contract, config) {
+	  var storedEvt = ee.$queues;
+	  var debug = config.debugOn;
+	  if (debug) {
+	    console.info('(validateRegisteredEvents)', 'storedEvt', storedEvt);
+	  }
+	  storedEvt.forEach(function (args) {
+	    var type = args[0];
+	    var payload = args[1];
+	    var resolverName = payload.resolverName;
+	    if (debug) {
+	      console.info('(validateRegisteredEvents)', type, resolverName);
+	    }
+	    if (!contract[type][resolverName]) {
+	      throw new Error((type + "." + resolverName + " not existed in contract!"))
+	    }
+	  });
+	};
+
+	/**
+	 * set up all the event handlers once the contract is ready
+	 * @param {object} jsonqlInstance what the name said
+	 * @param {object} ee event emitter
+	 * @param {object} config the configuration
+	 * @param {object} contract the map
+	 * @return {void} nothing
+	 */
+	function setupEventHandlers(jsonqlInstance, ee, config, contract) {
+	  var methods = methodsGenerator(jsonqlInstance, ee, config, contract);
+	  validateRegisteredEvents(ee, contract, config);
+	  // create handler
+	  var loop = function ( type ) {
+	    // setup event listeners - only one listener per type
+	    ee.$only(type, function(ref) {
+	      var resolverName = ref.resolverName;
+	      var args = ref.args;
+
+	      if (methods[type][resolverName]) {
+	        Reflect.apply(methods[type][resolverName], null, args)
+	          .then(function (result) {
+	            ee.$trigger(createEvt(type, resolverName, ON_RESULT_PROP_NAME), result);
+	          })
+	          .catch(function (err) {
+	            ee.$trigger(createEvt(type, resolverName, ON_ERROR_PROP_NAME), err);
+	          });
+	      } else {
+	        console.error((resolverName + " is not defined in the contract!"));
+	      }
+	    });
+	  };
+
+	  for (var type in methods) loop( type );
+	  // all done now release the queue if any
+	  setTimeout(function () {
+	    ee.$suspend = false;
+	  }, 1);
+	}
+
+	/**
+	 * @param {object} jsonqlInstance jsonql class instance
+	 * @param {object} config options
+	 * @param {object} contractPromise an unresolve promise
+	 * @param {object} ee eventEmitter
+	 * @return {object} constructed functions call
+	 */
+	var generator = function (jsonqlInstance, config, contractPromise, ee) {
+	  ee.$suspend = true; // hold all the calls
+	  // wait for the promise to resolve
+	  contractPromise.then(function (contract) {
+	    setupEventHandlers(jsonqlInstance, ee, config, contract);
+	  });
+	  // construct the api
+	  var obj = {
+	    query: handler(ee, 'query'),
+	    mutation: handler(ee, 'mutation'),
+	    auth: handler(ee, 'auth')
+	  };
+	  // allow getting the token for valdiate agains the socket
+	  obj.getToken = function () { return jsonqlInstance.rawAuthToken; };
+	  // this will pass to the ws-client if needed
+	  // obj.eventEmitter = ee;
+	  // this will require a param
+	  if (config.exposeContract) {
+	    obj.getContract = function () { return jsonqlInstance.get(); };
+	  }
+	  if (config.enableAuth) {
+	    obj.userdata = function () { return jsonqlInstance.userdata; };
+	  }
+	  obj.version = '1.4.3';
+	  // output
+	  return obj;
+	};
+
+	var assign = make_assign();
+	var create = make_create();
+	var trim$1 = make_trim();
+	var Global = (typeof window !== 'undefined' ? window : commonjsGlobal);
+
+	var util = {
+		assign: assign,
+		create: create,
+		trim: trim$1,
+		bind: bind,
+		slice: slice,
+		each: each,
+		map: map,
+		pluck: pluck,
+		isList: isList,
+		isFunction: isFunction$1,
+		isObject: isObject$1,
+		Global: Global
+	};
+
+	function make_assign() {
+		if (Object.assign) {
+			return Object.assign
+		} else {
+			return function shimAssign(obj, props1, props2, etc) {
+				var arguments$1 = arguments;
+
+				for (var i = 1; i < arguments.length; i++) {
+					each(Object(arguments$1[i]), function(val, key) {
+						obj[key] = val;
+					});
+				}			
+				return obj
+			}
+		}
+	}
+
+	function make_create() {
+		if (Object.create) {
+			return function create(obj, assignProps1, assignProps2, etc) {
+				var assignArgsList = slice(arguments, 1);
+				return assign.apply(this, [Object.create(obj)].concat(assignArgsList))
+			}
+		} else {
+			function F() {} // eslint-disable-line no-inner-declarations
+			return function create(obj, assignProps1, assignProps2, etc) {
+				var assignArgsList = slice(arguments, 1);
+				F.prototype = obj;
+				return assign.apply(this, [new F()].concat(assignArgsList))
+			}
+		}
+	}
+
+	function make_trim() {
+		if (String.prototype.trim) {
+			return function trim(str) {
+				return String.prototype.trim.call(str)
+			}
+		} else {
+			return function trim(str) {
+				return str.replace(/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g, '')
+			}
+		}
+	}
+
+	function bind(obj, fn) {
+		return function() {
+			return fn.apply(obj, Array.prototype.slice.call(arguments, 0))
+		}
+	}
+
+	function slice(arr, index) {
+		return Array.prototype.slice.call(arr, index || 0)
+	}
+
+	function each(obj, fn) {
+		pluck(obj, function(val, key) {
+			fn(val, key);
+			return false
+		});
+	}
+
+	function map(obj, fn) {
+		var res = (isList(obj) ? [] : {});
+		pluck(obj, function(v, k) {
+			res[k] = fn(v, k);
+			return false
+		});
+		return res
+	}
+
+	function pluck(obj, fn) {
+		if (isList(obj)) {
+			for (var i=0; i<obj.length; i++) {
+				if (fn(obj[i], i)) {
+					return obj[i]
+				}
+			}
+		} else {
+			for (var key in obj) {
+				if (obj.hasOwnProperty(key)) {
+					if (fn(obj[key], key)) {
+						return obj[key]
+					}
+				}
+			}
+		}
+	}
+
+	function isList(val) {
+		return (val != null && typeof val != 'function' && typeof val.length == 'number')
+	}
+
+	function isFunction$1(val) {
+		return val && {}.toString.call(val) === '[object Function]'
+	}
+
+	function isObject$1(val) {
+		return val && {}.toString.call(val) === '[object Object]'
+	}
+
+	var slice$1 = util.slice;
+	var pluck$1 = util.pluck;
+	var each$1 = util.each;
+	var bind$1 = util.bind;
+	var create$1 = util.create;
+	var isList$1 = util.isList;
+	var isFunction$2 = util.isFunction;
+	var isObject$2 = util.isObject;
+
+	var storeEngine = {
+		createStore: createStore
+	};
+
+	var storeAPI = {
+		version: '2.0.12',
+		enabled: false,
+		
+		// get returns the value of the given key. If that value
+		// is undefined, it returns optionalDefaultValue instead.
+		get: function(key, optionalDefaultValue) {
+			var data = this.storage.read(this._namespacePrefix + key);
+			return this._deserialize(data, optionalDefaultValue)
+		},
+
+		// set will store the given value at key and returns value.
+		// Calling set with value === undefined is equivalent to calling remove.
+		set: function(key, value) {
+			if (value === undefined) {
+				return this.remove(key)
+			}
+			this.storage.write(this._namespacePrefix + key, this._serialize(value));
+			return value
+		},
+
+		// remove deletes the key and value stored at the given key.
+		remove: function(key) {
+			this.storage.remove(this._namespacePrefix + key);
+		},
+
+		// each will call the given callback once for each key-value pair
+		// in this store.
+		each: function(callback) {
+			var self = this;
+			this.storage.each(function(val, namespacedKey) {
+				callback.call(self, self._deserialize(val), (namespacedKey || '').replace(self._namespaceRegexp, ''));
+			});
+		},
+
+		// clearAll will remove all the stored key-value pairs in this store.
+		clearAll: function() {
+			this.storage.clearAll();
+		},
+
+		// additional functionality that can't live in plugins
+		// ---------------------------------------------------
+
+		// hasNamespace returns true if this store instance has the given namespace.
+		hasNamespace: function(namespace) {
+			return (this._namespacePrefix == '__storejs_'+namespace+'_')
+		},
+
+		// createStore creates a store.js instance with the first
+		// functioning storage in the list of storage candidates,
+		// and applies the the given mixins to the instance.
+		createStore: function() {
+			return createStore.apply(this, arguments)
+		},
+		
+		addPlugin: function(plugin) {
+			this._addPlugin(plugin);
+		},
+		
+		namespace: function(namespace) {
+			return createStore(this.storage, this.plugins, namespace)
+		}
+	};
+
+	function _warn() {
+		var _console = (typeof console == 'undefined' ? null : console);
+		if (!_console) { return }
+		var fn = (_console.warn ? _console.warn : _console.log);
+		fn.apply(_console, arguments);
+	}
+
+	function createStore(storages, plugins, namespace) {
+		if (!namespace) {
+			namespace = '';
+		}
+		if (storages && !isList$1(storages)) {
+			storages = [storages];
+		}
+		if (plugins && !isList$1(plugins)) {
+			plugins = [plugins];
+		}
+
+		var namespacePrefix = (namespace ? '__storejs_'+namespace+'_' : '');
+		var namespaceRegexp = (namespace ? new RegExp('^'+namespacePrefix) : null);
+		var legalNamespaces = /^[a-zA-Z0-9_\-]*$/; // alpha-numeric + underscore and dash
+		if (!legalNamespaces.test(namespace)) {
+			throw new Error('store.js namespaces can only have alphanumerics + underscores and dashes')
+		}
+		
+		var _privateStoreProps = {
+			_namespacePrefix: namespacePrefix,
+			_namespaceRegexp: namespaceRegexp,
+
+			_testStorage: function(storage) {
+				try {
+					var testStr = '__storejs__test__';
+					storage.write(testStr, testStr);
+					var ok = (storage.read(testStr) === testStr);
+					storage.remove(testStr);
+					return ok
+				} catch(e) {
+					return false
+				}
+			},
+
+			_assignPluginFnProp: function(pluginFnProp, propName) {
+				var oldFn = this[propName];
+				this[propName] = function pluginFn() {
+					var args = slice$1(arguments, 0);
+					var self = this;
+
+					// super_fn calls the old function which was overwritten by
+					// this mixin.
+					function super_fn() {
+						if (!oldFn) { return }
+						each$1(arguments, function(arg, i) {
+							args[i] = arg;
+						});
+						return oldFn.apply(self, args)
+					}
+
+					// Give mixing function access to super_fn by prefixing all mixin function
+					// arguments with super_fn.
+					var newFnArgs = [super_fn].concat(args);
+
+					return pluginFnProp.apply(self, newFnArgs)
+				};
+			},
+
+			_serialize: function(obj) {
+				return JSON.stringify(obj)
+			},
+
+			_deserialize: function(strVal, defaultVal) {
+				if (!strVal) { return defaultVal }
+				// It is possible that a raw string value has been previously stored
+				// in a storage without using store.js, meaning it will be a raw
+				// string value instead of a JSON serialized string. By defaulting
+				// to the raw string value in case of a JSON parse error, we allow
+				// for past stored values to be forwards-compatible with store.js
+				var val = '';
+				try { val = JSON.parse(strVal); }
+				catch(e) { val = strVal; }
+
+				return (val !== undefined ? val : defaultVal)
+			},
+			
+			_addStorage: function(storage) {
+				if (this.enabled) { return }
+				if (this._testStorage(storage)) {
+					this.storage = storage;
+					this.enabled = true;
+				}
+			},
+
+			_addPlugin: function(plugin) {
+				var self = this;
+
+				// If the plugin is an array, then add all plugins in the array.
+				// This allows for a plugin to depend on other plugins.
+				if (isList$1(plugin)) {
+					each$1(plugin, function(plugin) {
+						self._addPlugin(plugin);
+					});
+					return
+				}
+
+				// Keep track of all plugins we've seen so far, so that we
+				// don't add any of them twice.
+				var seenPlugin = pluck$1(this.plugins, function(seenPlugin) {
+					return (plugin === seenPlugin)
+				});
+				if (seenPlugin) {
+					return
+				}
+				this.plugins.push(plugin);
+
+				// Check that the plugin is properly formed
+				if (!isFunction$2(plugin)) {
+					throw new Error('Plugins must be function values that return objects')
+				}
+
+				var pluginProperties = plugin.call(this);
+				if (!isObject$2(pluginProperties)) {
+					throw new Error('Plugins must return an object of function properties')
+				}
+
+				// Add the plugin function properties to this store instance.
+				each$1(pluginProperties, function(pluginFnProp, propName) {
+					if (!isFunction$2(pluginFnProp)) {
+						throw new Error('Bad plugin property: '+propName+' from plugin '+plugin.name+'. Plugins should only return functions.')
+					}
+					self._assignPluginFnProp(pluginFnProp, propName);
+				});
+			},
+			
+			// Put deprecated properties in the private API, so as to not expose it to accidential
+			// discovery through inspection of the store object.
+			
+			// Deprecated: addStorage
+			addStorage: function(storage) {
+				_warn('store.addStorage(storage) is deprecated. Use createStore([storages])');
+				this._addStorage(storage);
+			}
+		};
+
+		var store = create$1(_privateStoreProps, storeAPI, {
+			plugins: []
+		});
+		store.raw = {};
+		each$1(store, function(prop, propName) {
+			if (isFunction$2(prop)) {
+				store.raw[propName] = bind$1(store, prop);			
+			}
+		});
+		each$1(storages, function(storage) {
+			store._addStorage(storage);
+		});
+		each$1(plugins, function(plugin) {
+			store._addPlugin(plugin);
+		});
+		return store
+	}
+
+	var Global$1 = util.Global;
+
+	var localStorage_1 = {
+		name: 'localStorage',
+		read: read,
+		write: write,
+		each: each$2,
+		remove: remove,
+		clearAll: clearAll,
+	};
+
+	function localStorage$1() {
+		return Global$1.localStorage
+	}
+
+	function read(key) {
+		return localStorage$1().getItem(key)
+	}
+
+	function write(key, data) {
+		return localStorage$1().setItem(key, data)
+	}
+
+	function each$2(fn) {
+		for (var i = localStorage$1().length - 1; i >= 0; i--) {
+			var key = localStorage$1().key(i);
+			fn(read(key), key);
+		}
+	}
+
+	function remove(key) {
+		return localStorage$1().removeItem(key)
+	}
+
+	function clearAll() {
+		return localStorage$1().clear()
+	}
+
+	// cookieStorage is useful Safari private browser mode, where localStorage
+	// doesn't work but cookies do. This implementation is adopted from
+	// https://developer.mozilla.org/en-US/docs/Web/API/Storage/LocalStorage
+
+
+	var Global$2 = util.Global;
+	var trim$2 = util.trim;
+
+	var cookieStorage = {
+		name: 'cookieStorage',
+		read: read$1,
+		write: write$1,
+		each: each$3,
+		remove: remove$1,
+		clearAll: clearAll$1,
+	};
+
+	var doc = Global$2.document;
+
+	function read$1(key) {
+		if (!key || !_has(key)) { return null }
+		var regexpStr = "(?:^|.*;\\s*)" +
+			escape(key).replace(/[\-\.\+\*]/g, "\\$&") +
+			"\\s*\\=\\s*((?:[^;](?!;))*[^;]?).*";
+		return unescape(doc.cookie.replace(new RegExp(regexpStr), "$1"))
+	}
+
+	function each$3(callback) {
+		var cookies = doc.cookie.split(/; ?/g);
+		for (var i = cookies.length - 1; i >= 0; i--) {
+			if (!trim$2(cookies[i])) {
+				continue
+			}
+			var kvp = cookies[i].split('=');
+			var key = unescape(kvp[0]);
+			var val = unescape(kvp[1]);
+			callback(val, key);
+		}
+	}
+
+	function write$1(key, data) {
+		if(!key) { return }
+		doc.cookie = escape(key) + "=" + escape(data) + "; expires=Tue, 19 Jan 2038 03:14:07 GMT; path=/";
+	}
+
+	function remove$1(key) {
+		if (!key || !_has(key)) {
+			return
+		}
+		doc.cookie = escape(key) + "=; expires=Thu, 01 Jan 1970 00:00:00 GMT; path=/";
+	}
+
+	function clearAll$1() {
+		each$3(function(_, key) {
+			remove$1(key);
+		});
+	}
+
+	function _has(key) {
+		return (new RegExp("(?:^|;\\s*)" + escape(key).replace(/[\-\.\+\*]/g, "\\$&") + "\\s*\\=")).test(doc.cookie)
+	}
+
+	var defaults = defaultsPlugin;
+
+	function defaultsPlugin() {
+		var defaultValues = {};
+		
+		return {
+			defaults: defaults,
+			get: get
+		}
+		
+		function defaults(_, values) {
+			defaultValues = values;
+		}
+		
+		function get(super_fn, key) {
+			var val = super_fn();
+			return (val !== undefined ? val : defaultValues[key])
+		}
+	}
+
+	var namespace = 'expire_mixin';
+
+	var expire = expirePlugin;
+
+	function expirePlugin() {
+		var expirations = this.createStore(this.storage, null, this._namespacePrefix+namespace);
+		
+		return {
+			set: expire_set,
+			get: expire_get,
+			remove: expire_remove,
+			getExpiration: getExpiration,
+			removeExpiredKeys: removeExpiredKeys
+		}
+		
+		function expire_set(super_fn, key, val, expiration) {
+			if (!this.hasNamespace(namespace)) {
+				expirations.set(key, expiration);
+			}
+			return super_fn()
+		}
+		
+		function expire_get(super_fn, key) {
+			if (!this.hasNamespace(namespace)) {
+				_checkExpiration.call(this, key);
+			}
+			return super_fn()
+		}
+		
+		function expire_remove(super_fn, key) {
+			if (!this.hasNamespace(namespace)) {
+				expirations.remove(key);
+			}
+			return super_fn()
+		}
+		
+		function getExpiration(_, key) {
+			return expirations.get(key)
+		}
+		
+		function removeExpiredKeys(_) {
+			var keys = [];
+			this.each(function(val, key) {
+				keys.push(key);
+			});
+			for (var i=0; i<keys.length; i++) {
+				_checkExpiration.call(this, keys[i]);
+			}
+		}
+		
+		function _checkExpiration(key) {
+			var expiration = expirations.get(key, Number.MAX_VALUE);
+			if (expiration <= new Date().getTime()) {
+				this.raw.remove(key);
+				expirations.remove(key);
+			}
+		}
+		
+	}
+
+	var bind$2 = util.bind;
+	var each$4 = util.each;
+	var create$2 = util.create;
+	var slice$2 = util.slice;
+
+	var events = eventsPlugin;
+
+	function eventsPlugin() {
+		var pubsub = _newPubSub();
+
+		return {
+			watch: watch,
+			unwatch: unwatch,
+			once: once,
+
+			set: set,
+			remove: remove,
+			clearAll: clearAll
+		}
+
+		// new pubsub functions
+		function watch(_, key, listener) {
+			return pubsub.on(key, bind$2(this, listener))
+		}
+		function unwatch(_, subId) {
+			pubsub.off(subId);
+		}
+		function once(_, key, listener) {
+			pubsub.once(key, bind$2(this, listener));
+		}
+
+		// overwrite function to fire when appropriate
+		function set(super_fn, key, val) {
+			var oldVal = this.get(key);
+			super_fn();
+			pubsub.fire(key, val, oldVal);
+		}
+		function remove(super_fn, key) {
+			var oldVal = this.get(key);
+			super_fn();
+			pubsub.fire(key, undefined, oldVal);
+		}
+		function clearAll(super_fn) {
+			var oldVals = {};
+			this.each(function(val, key) {
+				oldVals[key] = val;
+			});
+			super_fn();
+			each$4(oldVals, function(oldVal, key) {
+				pubsub.fire(key, undefined, oldVal);
+			});
+		}
+	}
+
+
+	function _newPubSub() {
+		return create$2(_pubSubBase, {
+			_id: 0,
+			_subSignals: {},
+			_subCallbacks: {}
+		})
+	}
+
+	var _pubSubBase = {
+		_id: null,
+		_subCallbacks: null,
+		_subSignals: null,
+		on: function(signal, callback) {
+			if (!this._subCallbacks[signal]) {
+				this._subCallbacks[signal] = {};
+			}
+			this._id += 1;
+			this._subCallbacks[signal][this._id] = callback;
+			this._subSignals[this._id] = signal;
+			return this._id
+		},
+		off: function(subId) {
+			var signal = this._subSignals[subId];
+			delete this._subCallbacks[signal][subId];
+			delete this._subSignals[subId];
+		},
+		once: function(signal, callback) {
+			var subId = this.on(signal, bind$2(this, function() {
+				callback.apply(this, arguments);
+				this.off(subId);
+			}));
+		},
+		fire: function(signal) {
+			var args = slice$2(arguments, 1);
+			each$4(this._subCallbacks[signal], function(callback) {
+				callback.apply(this, args);
+			});
+		}
+	};
+
+	var lzString = createCommonjsModule(function (module) {
+	/* eslint-disable */
+	// Copyright (c) 2013 Pieroxy <pieroxy@pieroxy.net>
+	// This work is free. You can redistribute it and/or modify it
+	// under the terms of the WTFPL, Version 2
+	// For more information see LICENSE.txt or http://www.wtfpl.net/
+	//
+	// For more information, the home page:
+	// http://pieroxy.net/blog/pages/lz-string/testing.html
+	//
+	// LZ-based compression algorithm, version 1.4.4
+	var LZString = (function() {
+
+	// private property
+	var f = String.fromCharCode;
+	var keyStrBase64 = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
+	var keyStrUriSafe = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+-$";
+	var baseReverseDic = {};
+
+	function getBaseValue(alphabet, character) {
+	  if (!baseReverseDic[alphabet]) {
+	    baseReverseDic[alphabet] = {};
+	    for (var i=0 ; i<alphabet.length ; i++) {
+	      baseReverseDic[alphabet][alphabet.charAt(i)] = i;
+	    }
+	  }
+	  return baseReverseDic[alphabet][character];
+	}
+
+	var LZString = {
+	  compressToBase64 : function (input) {
+	    if (input == null) { return ""; }
+	    var res = LZString._compress(input, 6, function(a){return keyStrBase64.charAt(a);});
+	    switch (res.length % 4) { // To produce valid Base64
+	    default: // When could this happen ?
+	    case 0 : return res;
+	    case 1 : return res+"===";
+	    case 2 : return res+"==";
+	    case 3 : return res+"=";
+	    }
+	  },
+
+	  decompressFromBase64 : function (input) {
+	    if (input == null) { return ""; }
+	    if (input == "") { return null; }
+	    return LZString._decompress(input.length, 32, function(index) { return getBaseValue(keyStrBase64, input.charAt(index)); });
+	  },
+
+	  compressToUTF16 : function (input) {
+	    if (input == null) { return ""; }
+	    return LZString._compress(input, 15, function(a){return f(a+32);}) + " ";
+	  },
+
+	  decompressFromUTF16: function (compressed) {
+	    if (compressed == null) { return ""; }
+	    if (compressed == "") { return null; }
+	    return LZString._decompress(compressed.length, 16384, function(index) { return compressed.charCodeAt(index) - 32; });
+	  },
+
+	  //compress into uint8array (UCS-2 big endian format)
+	  compressToUint8Array: function (uncompressed) {
+	    var compressed = LZString.compress(uncompressed);
+	    var buf=new Uint8Array(compressed.length*2); // 2 bytes per character
+
+	    for (var i=0, TotalLen=compressed.length; i<TotalLen; i++) {
+	      var current_value = compressed.charCodeAt(i);
+	      buf[i*2] = current_value >>> 8;
+	      buf[i*2+1] = current_value % 256;
+	    }
+	    return buf;
+	  },
+
+	  //decompress from uint8array (UCS-2 big endian format)
+	  decompressFromUint8Array:function (compressed) {
+	    if (compressed===null || compressed===undefined){
+	        return LZString.decompress(compressed);
+	    } else {
+	        var buf=new Array(compressed.length/2); // 2 bytes per character
+	        for (var i=0, TotalLen=buf.length; i<TotalLen; i++) {
+	          buf[i]=compressed[i*2]*256+compressed[i*2+1];
+	        }
+
+	        var result = [];
+	        buf.forEach(function (c) {
+	          result.push(f(c));
+	        });
+	        return LZString.decompress(result.join(''));
+
+	    }
+
+	  },
+
+
+	  //compress into a string that is already URI encoded
+	  compressToEncodedURIComponent: function (input) {
+	    if (input == null) { return ""; }
+	    return LZString._compress(input, 6, function(a){return keyStrUriSafe.charAt(a);});
+	  },
+
+	  //decompress from an output of compressToEncodedURIComponent
+	  decompressFromEncodedURIComponent:function (input) {
+	    if (input == null) { return ""; }
+	    if (input == "") { return null; }
+	    input = input.replace(/ /g, "+");
+	    return LZString._decompress(input.length, 32, function(index) { return getBaseValue(keyStrUriSafe, input.charAt(index)); });
+	  },
+
+	  compress: function (uncompressed) {
+	    return LZString._compress(uncompressed, 16, function(a){return f(a);});
+	  },
+	  _compress: function (uncompressed, bitsPerChar, getCharFromInt) {
+	    if (uncompressed == null) { return ""; }
+	    var i, value,
+	        context_dictionary= {},
+	        context_dictionaryToCreate= {},
+	        context_c="",
+	        context_wc="",
+	        context_w="",
+	        context_enlargeIn= 2, // Compensate for the first entry which should not count
+	        context_dictSize= 3,
+	        context_numBits= 2,
+	        context_data=[],
+	        context_data_val=0,
+	        context_data_position=0,
+	        ii;
+
+	    for (ii = 0; ii < uncompressed.length; ii += 1) {
+	      context_c = uncompressed.charAt(ii);
+	      if (!Object.prototype.hasOwnProperty.call(context_dictionary,context_c)) {
+	        context_dictionary[context_c] = context_dictSize++;
+	        context_dictionaryToCreate[context_c] = true;
+	      }
+
+	      context_wc = context_w + context_c;
+	      if (Object.prototype.hasOwnProperty.call(context_dictionary,context_wc)) {
+	        context_w = context_wc;
+	      } else {
+	        if (Object.prototype.hasOwnProperty.call(context_dictionaryToCreate,context_w)) {
+	          if (context_w.charCodeAt(0)<256) {
+	            for (i=0 ; i<context_numBits ; i++) {
+	              context_data_val = (context_data_val << 1);
+	              if (context_data_position == bitsPerChar-1) {
+	                context_data_position = 0;
+	                context_data.push(getCharFromInt(context_data_val));
+	                context_data_val = 0;
+	              } else {
+	                context_data_position++;
+	              }
+	            }
+	            value = context_w.charCodeAt(0);
+	            for (i=0 ; i<8 ; i++) {
+	              context_data_val = (context_data_val << 1) | (value&1);
+	              if (context_data_position == bitsPerChar-1) {
+	                context_data_position = 0;
+	                context_data.push(getCharFromInt(context_data_val));
+	                context_data_val = 0;
+	              } else {
+	                context_data_position++;
+	              }
+	              value = value >> 1;
+	            }
+	          } else {
+	            value = 1;
+	            for (i=0 ; i<context_numBits ; i++) {
+	              context_data_val = (context_data_val << 1) | value;
+	              if (context_data_position ==bitsPerChar-1) {
+	                context_data_position = 0;
+	                context_data.push(getCharFromInt(context_data_val));
+	                context_data_val = 0;
+	              } else {
+	                context_data_position++;
+	              }
+	              value = 0;
+	            }
+	            value = context_w.charCodeAt(0);
+	            for (i=0 ; i<16 ; i++) {
+	              context_data_val = (context_data_val << 1) | (value&1);
+	              if (context_data_position == bitsPerChar-1) {
+	                context_data_position = 0;
+	                context_data.push(getCharFromInt(context_data_val));
+	                context_data_val = 0;
+	              } else {
+	                context_data_position++;
+	              }
+	              value = value >> 1;
+	            }
+	          }
+	          context_enlargeIn--;
+	          if (context_enlargeIn == 0) {
+	            context_enlargeIn = Math.pow(2, context_numBits);
+	            context_numBits++;
+	          }
+	          delete context_dictionaryToCreate[context_w];
+	        } else {
+	          value = context_dictionary[context_w];
+	          for (i=0 ; i<context_numBits ; i++) {
+	            context_data_val = (context_data_val << 1) | (value&1);
+	            if (context_data_position == bitsPerChar-1) {
+	              context_data_position = 0;
+	              context_data.push(getCharFromInt(context_data_val));
+	              context_data_val = 0;
+	            } else {
+	              context_data_position++;
+	            }
+	            value = value >> 1;
+	          }
+
+
+	        }
+	        context_enlargeIn--;
+	        if (context_enlargeIn == 0) {
+	          context_enlargeIn = Math.pow(2, context_numBits);
+	          context_numBits++;
+	        }
+	        // Add wc to the dictionary.
+	        context_dictionary[context_wc] = context_dictSize++;
+	        context_w = String(context_c);
+	      }
+	    }
+
+	    // Output the code for w.
+	    if (context_w !== "") {
+	      if (Object.prototype.hasOwnProperty.call(context_dictionaryToCreate,context_w)) {
+	        if (context_w.charCodeAt(0)<256) {
+	          for (i=0 ; i<context_numBits ; i++) {
+	            context_data_val = (context_data_val << 1);
+	            if (context_data_position == bitsPerChar-1) {
+	              context_data_position = 0;
+	              context_data.push(getCharFromInt(context_data_val));
+	              context_data_val = 0;
+	            } else {
+	              context_data_position++;
+	            }
+	          }
+	          value = context_w.charCodeAt(0);
+	          for (i=0 ; i<8 ; i++) {
+	            context_data_val = (context_data_val << 1) | (value&1);
+	            if (context_data_position == bitsPerChar-1) {
+	              context_data_position = 0;
+	              context_data.push(getCharFromInt(context_data_val));
+	              context_data_val = 0;
+	            } else {
+	              context_data_position++;
+	            }
+	            value = value >> 1;
+	          }
+	        } else {
+	          value = 1;
+	          for (i=0 ; i<context_numBits ; i++) {
+	            context_data_val = (context_data_val << 1) | value;
+	            if (context_data_position == bitsPerChar-1) {
+	              context_data_position = 0;
+	              context_data.push(getCharFromInt(context_data_val));
+	              context_data_val = 0;
+	            } else {
+	              context_data_position++;
+	            }
+	            value = 0;
+	          }
+	          value = context_w.charCodeAt(0);
+	          for (i=0 ; i<16 ; i++) {
+	            context_data_val = (context_data_val << 1) | (value&1);
+	            if (context_data_position == bitsPerChar-1) {
+	              context_data_position = 0;
+	              context_data.push(getCharFromInt(context_data_val));
+	              context_data_val = 0;
+	            } else {
+	              context_data_position++;
+	            }
+	            value = value >> 1;
+	          }
+	        }
+	        context_enlargeIn--;
+	        if (context_enlargeIn == 0) {
+	          context_enlargeIn = Math.pow(2, context_numBits);
+	          context_numBits++;
+	        }
+	        delete context_dictionaryToCreate[context_w];
+	      } else {
+	        value = context_dictionary[context_w];
+	        for (i=0 ; i<context_numBits ; i++) {
+	          context_data_val = (context_data_val << 1) | (value&1);
+	          if (context_data_position == bitsPerChar-1) {
+	            context_data_position = 0;
+	            context_data.push(getCharFromInt(context_data_val));
+	            context_data_val = 0;
+	          } else {
+	            context_data_position++;
+	          }
+	          value = value >> 1;
+	        }
+
+
+	      }
+	      context_enlargeIn--;
+	      if (context_enlargeIn == 0) {
+	        context_enlargeIn = Math.pow(2, context_numBits);
+	        context_numBits++;
+	      }
+	    }
+
+	    // Mark the end of the stream
+	    value = 2;
+	    for (i=0 ; i<context_numBits ; i++) {
+	      context_data_val = (context_data_val << 1) | (value&1);
+	      if (context_data_position == bitsPerChar-1) {
+	        context_data_position = 0;
+	        context_data.push(getCharFromInt(context_data_val));
+	        context_data_val = 0;
+	      } else {
+	        context_data_position++;
+	      }
+	      value = value >> 1;
+	    }
+
+	    // Flush the last char
+	    while (true) {
+	      context_data_val = (context_data_val << 1);
+	      if (context_data_position == bitsPerChar-1) {
+	        context_data.push(getCharFromInt(context_data_val));
+	        break;
+	      }
+	      else { context_data_position++; }
+	    }
+	    return context_data.join('');
+	  },
+
+	  decompress: function (compressed) {
+	    if (compressed == null) { return ""; }
+	    if (compressed == "") { return null; }
+	    return LZString._decompress(compressed.length, 32768, function(index) { return compressed.charCodeAt(index); });
+	  },
+
+	  _decompress: function (length, resetValue, getNextValue) {
+	    var dictionary = [],
+	        next,
+	        enlargeIn = 4,
+	        dictSize = 4,
+	        numBits = 3,
+	        entry = "",
+	        result = [],
+	        i,
+	        w,
+	        bits, resb, maxpower, power,
+	        c,
+	        data = {val:getNextValue(0), position:resetValue, index:1};
+
+	    for (i = 0; i < 3; i += 1) {
+	      dictionary[i] = i;
+	    }
+
+	    bits = 0;
+	    maxpower = Math.pow(2,2);
+	    power=1;
+	    while (power!=maxpower) {
+	      resb = data.val & data.position;
+	      data.position >>= 1;
+	      if (data.position == 0) {
+	        data.position = resetValue;
+	        data.val = getNextValue(data.index++);
+	      }
+	      bits |= (resb>0 ? 1 : 0) * power;
+	      power <<= 1;
+	    }
+
+	    switch (next = bits) {
+	      case 0:
+	          bits = 0;
+	          maxpower = Math.pow(2,8);
+	          power=1;
+	          while (power!=maxpower) {
+	            resb = data.val & data.position;
+	            data.position >>= 1;
+	            if (data.position == 0) {
+	              data.position = resetValue;
+	              data.val = getNextValue(data.index++);
+	            }
+	            bits |= (resb>0 ? 1 : 0) * power;
+	            power <<= 1;
+	          }
+	        c = f(bits);
+	        break;
+	      case 1:
+	          bits = 0;
+	          maxpower = Math.pow(2,16);
+	          power=1;
+	          while (power!=maxpower) {
+	            resb = data.val & data.position;
+	            data.position >>= 1;
+	            if (data.position == 0) {
+	              data.position = resetValue;
+	              data.val = getNextValue(data.index++);
+	            }
+	            bits |= (resb>0 ? 1 : 0) * power;
+	            power <<= 1;
+	          }
+	        c = f(bits);
+	        break;
+	      case 2:
+	        return "";
+	    }
+	    dictionary[3] = c;
+	    w = c;
+	    result.push(c);
+	    while (true) {
+	      if (data.index > length) {
+	        return "";
+	      }
+
+	      bits = 0;
+	      maxpower = Math.pow(2,numBits);
+	      power=1;
+	      while (power!=maxpower) {
+	        resb = data.val & data.position;
+	        data.position >>= 1;
+	        if (data.position == 0) {
+	          data.position = resetValue;
+	          data.val = getNextValue(data.index++);
+	        }
+	        bits |= (resb>0 ? 1 : 0) * power;
+	        power <<= 1;
+	      }
+
+	      switch (c = bits) {
+	        case 0:
+	          bits = 0;
+	          maxpower = Math.pow(2,8);
+	          power=1;
+	          while (power!=maxpower) {
+	            resb = data.val & data.position;
+	            data.position >>= 1;
+	            if (data.position == 0) {
+	              data.position = resetValue;
+	              data.val = getNextValue(data.index++);
+	            }
+	            bits |= (resb>0 ? 1 : 0) * power;
+	            power <<= 1;
+	          }
+
+	          dictionary[dictSize++] = f(bits);
+	          c = dictSize-1;
+	          enlargeIn--;
+	          break;
+	        case 1:
+	          bits = 0;
+	          maxpower = Math.pow(2,16);
+	          power=1;
+	          while (power!=maxpower) {
+	            resb = data.val & data.position;
+	            data.position >>= 1;
+	            if (data.position == 0) {
+	              data.position = resetValue;
+	              data.val = getNextValue(data.index++);
+	            }
+	            bits |= (resb>0 ? 1 : 0) * power;
+	            power <<= 1;
+	          }
+	          dictionary[dictSize++] = f(bits);
+	          c = dictSize-1;
+	          enlargeIn--;
+	          break;
+	        case 2:
+	          return result.join('');
+	      }
+
+	      if (enlargeIn == 0) {
+	        enlargeIn = Math.pow(2, numBits);
+	        numBits++;
+	      }
+
+	      if (dictionary[c]) {
+	        entry = dictionary[c];
+	      } else {
+	        if (c === dictSize) {
+	          entry = w + w.charAt(0);
+	        } else {
+	          return null;
+	        }
+	      }
+	      result.push(entry);
+
+	      // Add w+entry[0] to the dictionary.
+	      dictionary[dictSize++] = w + entry.charAt(0);
+	      enlargeIn--;
+
+	      w = entry;
+
+	      if (enlargeIn == 0) {
+	        enlargeIn = Math.pow(2, numBits);
+	        numBits++;
+	      }
+
+	    }
+	  }
+	};
+	  return LZString;
+	})();
+
+	if(  module != null ) {
+	  module.exports = LZString;
+	}
+	});
+
+	var compression = compressionPlugin;
+
+	function compressionPlugin() {
+		return {
+			get: get,
+			set: set,
+		}
+
+		function get(super_fn, key) {
+			var val = super_fn(key);
+			if (!val) { return val }
+			var decompressed = lzString.decompress(val);
+			// fallback to existing values that are not compressed
+			return (decompressed == null) ? val : this._deserialize(decompressed)
+		}
+
+		function set(super_fn, key, val) {
+			var compressed = lzString.compress(this._serialize(val));
+			super_fn(key, compressed);
+		}
+	}
+
+	// sort of persist on the user side
+
+	var storages = [localStorage_1, cookieStorage];
+	var plugins = [defaults, expire, events, compression];
+
+	var localStore = storeEngine.createStore(storages, plugins);
+
+	var Global$3 = util.Global;
+
+	var sessionStorage_1 = {
+		name: 'sessionStorage',
+		read: read$2,
+		write: write$2,
+		each: each$5,
+		remove: remove$2,
+		clearAll: clearAll$2
+	};
+
+	function sessionStorage() {
+		return Global$3.sessionStorage
+	}
+
+	function read$2(key) {
+		return sessionStorage().getItem(key)
+	}
+
+	function write$2(key, data) {
+		return sessionStorage().setItem(key, data)
+	}
+
+	function each$5(fn) {
+		for (var i = sessionStorage().length - 1; i >= 0; i--) {
+			var key = sessionStorage().key(i);
+			fn(read$2(key), key);
+		}
+	}
+
+	function remove$2(key) {
+		return sessionStorage().removeItem(key)
+	}
+
+	function clearAll$2() {
+		return sessionStorage().clear()
+	}
+
+	// session store with watch
+
+	var storages$1 = [sessionStorage_1, cookieStorage];
+	var plugins$1 = [defaults, expire];
+
+	var sessionStore = storeEngine.createStore(storages$1, plugins$1);
+
+	// export store interface
+
+	// export back the raw version for development purposes
+	var localStore$1 = localStore;
+	var sessionStore$1 = sessionStore;
+
+	/**
+	 * The code was extracted from:
+	 * https://github.com/davidchambers/Base64.js
+	 */
+
+	var chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';
+
+	function InvalidCharacterError(message) {
+	  this.message = message;
+	}
+
+	InvalidCharacterError.prototype = new Error();
+	InvalidCharacterError.prototype.name = 'InvalidCharacterError';
+
+	function polyfill (input) {
+	  var str = String(input).replace(/=+$/, '');
+	  if (str.length % 4 == 1) {
+	    throw new InvalidCharacterError("'atob' failed: The string to be decoded is not correctly encoded.");
+	  }
+	  for (
+	    // initialize result and counters
+	    var bc = 0, bs, buffer, idx = 0, output = '';
+	    // get next character
+	    buffer = str.charAt(idx++);
+	    // character found in table? initialize bit storage and add its ascii value;
+	    ~buffer && (bs = bc % 4 ? bs * 64 + buffer : buffer,
+	      // and if not first of each 4 characters,
+	      // convert the first 8 bits to one ascii character
+	      bc++ % 4) ? output += String.fromCharCode(255 & bs >> (-2 * bc & 6)) : 0
+	  ) {
+	    // try to find character in table (0-63, not found => -1)
+	    buffer = chars.indexOf(buffer);
+	  }
+	  return output;
+	}
+
+
+	var atob = typeof window !== 'undefined' && window.atob && window.atob.bind(window) || polyfill;
+
+	function b64DecodeUnicode(str) {
+	  return decodeURIComponent(atob(str).replace(/(.)/g, function (m, p) {
+	    var code = p.charCodeAt(0).toString(16).toUpperCase();
+	    if (code.length < 2) {
+	      code = '0' + code;
+	    }
+	    return '%' + code;
+	  }));
+	}
+
+	var base64_url_decode = function(str) {
+	  var output = str.replace(/-/g, "+").replace(/_/g, "/");
+	  switch (output.length % 4) {
+	    case 0:
+	      break;
+	    case 2:
+	      output += "==";
+	      break;
+	    case 3:
+	      output += "=";
+	      break;
+	    default:
+	      throw "Illegal base64url string!";
+	  }
+
+	  try{
+	    return b64DecodeUnicode(output);
+	  } catch (err) {
+	    return atob(output);
+	  }
+	};
+
+	function InvalidTokenError(message) {
+	  this.message = message;
+	}
+
+	InvalidTokenError.prototype = new Error();
+	InvalidTokenError.prototype.name = 'InvalidTokenError';
+
+	var lib = function (token,options) {
+	  if (typeof token !== 'string') {
+	    throw new InvalidTokenError('Invalid token specified');
+	  }
+
+	  options = options || {};
+	  var pos = options.header === true ? 0 : 1;
+	  try {
+	    return JSON.parse(base64_url_decode(token.split('.')[pos]));
+	  } catch (e) {
+	    throw new InvalidTokenError('Invalid token specified: ' + e.message);
+	  }
+	};
+
+	var InvalidTokenError_1 = InvalidTokenError;
+	lib.InvalidTokenError = InvalidTokenError_1;
+
+	// when the user is login with the jwt
+
+	var timestamp$1 = function (sec) {
+	  if ( sec === void 0 ) { sec = false; }
+
+	  var time = Date.now();
+	  return sec ? Math.floor( time / 1000 ) : time;
+	};
+
+	/**
+	 * We only check the nbf and exp
+	 * @param {object} token for checking
+	 * @return {object} token on success
+	 */
+	function validate(token) {
+	  var start = token.iat || timestamp$1(true);
+	  // we only check the exp for the time being
+	  if (token.exp) {
+	    if (start >= token.exp) {
+	      var expired = new Date(token.exp).toISOString();
+	      throw new JsonqlError(("Token has expired on " + expired), token)
+	    }
+	  }
+	  return token;
+	}
+
+	/**
+	 * The browser client version it has far fewer options and it doesn't verify it
+	 * because it couldn't this is the job for the server
+	 * @TODO we need to add some extra proessing here to check for the exp field
+	 * @param {string} token to decrypted
+	 * @return {object} decrypted object
+	 */
+	function jwtDecode(token) {
+	  if (isString$1(token)) {
+	    var t = lib(token);
+	    return validate(t)
+	  }
+	  throw new JsonqlError('Token must be a string!')
+	}
+
+	var obj, obj$1, obj$2, obj$3, obj$4, obj$5, obj$6, obj$7, obj$8;
+
+	var appProps = {
+	  algorithm: createConfig$1(HSA_ALGO, [STRING_TYPE]),
+	  expiresIn: createConfig$1(false, [BOOLEAN_TYPE, NUMBER_TYPE, STRING_TYPE], ( obj = {}, obj[ALIAS_KEY] = 'exp', obj[OPTIONAL_KEY] = true, obj )),
+	  notBefore: createConfig$1(false, [BOOLEAN_TYPE, NUMBER_TYPE, STRING_TYPE], ( obj$1 = {}, obj$1[ALIAS_KEY] = 'nbf', obj$1[OPTIONAL_KEY] = true, obj$1 )),
+	  audience: createConfig$1(false, [BOOLEAN_TYPE, STRING_TYPE], ( obj$2 = {}, obj$2[ALIAS_KEY] = 'iss', obj$2[OPTIONAL_KEY] = true, obj$2 )),
+	  subject: createConfig$1(false, [BOOLEAN_TYPE, STRING_TYPE], ( obj$3 = {}, obj$3[ALIAS_KEY] = 'sub', obj$3[OPTIONAL_KEY] = true, obj$3 )),
+	  issuer: createConfig$1(false, [BOOLEAN_TYPE, STRING_TYPE], ( obj$4 = {}, obj$4[ALIAS_KEY] = 'iss', obj$4[OPTIONAL_KEY] = true, obj$4 )),
+	  noTimestamp: createConfig$1(false, [BOOLEAN_TYPE], ( obj$5 = {}, obj$5[OPTIONAL_KEY] = true, obj$5 )),
+	  header: createConfig$1(false, [BOOLEAN_TYPE, STRING_TYPE], ( obj$6 = {}, obj$6[OPTIONAL_KEY] = true, obj$6 )),
+	  keyid: createConfig$1(false, [BOOLEAN_TYPE, STRING_TYPE], ( obj$7 = {}, obj$7[OPTIONAL_KEY] = true, obj$7 )),
+	  mutatePayload: createConfig$1(false, [BOOLEAN_TYPE], ( obj$8 = {}, obj$8[OPTIONAL_KEY] = true, obj$8 ))
+	};
+
+	// base HttpClass
+
+	// extract the one we need
+	var POST = API_REQUEST_METHODS[0];
+	var PUT = API_REQUEST_METHODS[1];
+
+	var _log = function () {
+	  var args = [], len = arguments.length;
+	  while ( len-- ) args[ len ] = arguments[ len ];
+
+	  try {
+	    if (window && window.console) {
+	      Reflect.apply(console.log, null, args);
+	    }
+	  } catch(e) {}
+	};
+
+	var HttpClass = function HttpClass(opts) {
+	  // change the way how we init Fly
+	  // flyio now become external depedencies and it makes it easier to switch
+	  // @BUG should we run test to check if we have the windows object?
+	  _log(opts);
+	  this.fly = opts.Fly ? new opts.Fly() : new Fly();
+	  // to a different environment like WeChat mini app
+	  this.opts = opts;
+	  this.extraHeader = {};
+	  // @1.2.1 for adding query to the call on the fly
+	  this.extraParams = {};
+	  // this.log('start up opts', opts);
+	  this.reqInterceptor();
+	  this.resInterceptor();
+	};
+
+	var prototypeAccessors = { headers: { configurable: true } };
+
+	// set headers for that one call
+	prototypeAccessors.headers.set = function (header) {
+	  this.extraHeader = header;
+	};
+
+	/**
+	 * Create the reusage request method
+	 * @param {object} payload jsonql payload
+	 * @param {object} options extra options add the request
+	 * @param {object} headers extra headers add to the call
+	 * @return {object} the fly request instance
+	 */
+	HttpClass.prototype.request = function request (payload, options, headers) {
+	    var obj;
+
+	    if ( options === void 0 ) options = {};
+	    if ( headers === void 0 ) headers = {};
+	  this.headers = headers;
+	  var params = merge({}, cacheBurst(), this.extraParams);
+	  // @TODO need to add a jsonp url and payload
+	  if (this.opts.enableJsonp) {
+	    var resolverName = getNameFromPayload(payload);
+	    params = merge({}, params, ( obj = {}, obj[JSONP_CALLBACK_NAME] = resolverName, obj ));
+	    payload = payload[resolverName];
+	  }
+	  return this.fly.request(
+	    this.jsonqlEndpoint,
+	    payload,
+	    merge({}, { method: POST, params: params }, options)
+	  )
+	};
+
+	/**
+	 * This will replace the create baseRequest method
+	 *
+	 */
+	HttpClass.prototype.reqInterceptor = function reqInterceptor () {
+	    var this$1 = this;
+
+	  this.fly.interceptors.request.use(
+	    function (req) {
+	      var headers = this$1.getHeaders();
+	      this$1.log('request interceptor call', headers);
+
+	      for (var key in headers) {
+	        req.headers[key] = headers[key];
+	      }
+	      return req;
+	    }
+	  );
+	};
+
+	// @TODO
+	HttpClass.prototype.processJsonp = function processJsonp (result) {
+	  return resultHandler(result)
+	};
+
+	/**
+	 * This will be replacement of the first then call
+	 *
+	 */
+	HttpClass.prototype.resInterceptor = function resInterceptor () {
+	    var this$1 = this;
+
+	  var self = this;
+	  var jsonp = self.opts.enableJsonp;
+	  this.fly.interceptors.response.use(
+	    function (res) {
+	      this$1.log('response interceptor call');
+	      self.cleanUp();
+	      // now more processing here
+	      // there is a problem if we throw the result.error here
+	      // the original data is lost, so we need to do what we did before
+	      // deal with that error in the first then instead
+	      var result = isString$1(res.data) ? JSON.parse(res.data) : res.data;
+	      if (jsonp) {
+	        return self.processJsonp(result)
+	      }
+	      return resultHandler(result)
+	    },
+	    // this get call when it's not 200
+	    function (err) {
+	      self.cleanUp();
+	      console.error(err);
+	      throw new JsonqlServerError('Server side error', err)
+	    }
+	  );
+	};
+
+	/**
+	 * Get the headers inject into the call
+	 * @return {object} headers
+	 */
+	HttpClass.prototype.getHeaders = function getHeaders () {
+	  if (this.opts.enableAuth) {
+	    return merge({}, DEFAULT_HEADER, this.getAuthHeader(), this.extraHeader)
+	  }
+	  return merge({}, DEFAULT_HEADER, this.extraHeader)
+	};
+
+	/**
+	 * Post http call operation to clean up things we need
+	 */
+	HttpClass.prototype.cleanUp = function cleanUp () {
+	  this.extraHeader = {};
+	  this.extraParams = {};
+	};
+
+	/**
+	 * GET for contract only
+	 */
+	HttpClass.prototype.get = function get () {
+	    var this$1 = this;
+
+	  if (this.opts.showContractDesc) {
+	    this.extraParams = merge({}, this.extraParams, SHOW_CONTRACT_DESC_PARAM);
+	  }
+	  return this.request({}, {method: 'GET'}, this.contractHeader)
+	    .then(clientErrorsHandler)
+	    .then(function (result) {
+	      this$1.log('get contract result', result);
+	      // when refresh the window the result is different!
+	      // @TODO need to check the Koa side about why is that
+	      // also it should set a flag if we want the description or not
+	      if (result.cache && result.contract) {
+	        return result.contract;
+	      }
+	      // just the normal result
+	      return result
+	    })
+	};
+
+	 /**
+	* POST to server - query
+	* @param {object} name of the resolver
+	* @param {array} args arguments
+	* @return {object} promise resolve to the resolver return
+	*/
+	 HttpClass.prototype.query = function query (name, args) {
+	   if ( args === void 0 ) args = [];
+
+	 return this.request(createQuery(name, args))
+	  .then(clientErrorsHandler)
+	 };
+
+	 /**
+	* PUT to server - mutation
+	* @param {string} name of resolver
+	* @param {object} payload what it said
+	* @param {object} conditions what it said
+	* @return {object} promise resolve to the resolver return
+	*/
+	 HttpClass.prototype.mutation = function mutation (name, payload, conditions) {
+	   if ( payload === void 0 ) payload = {};
+	   if ( conditions === void 0 ) conditions = {};
+
+	 return this.request(createMutation(name, payload, conditions), {method: PUT})
+	  .then(clientErrorsHandler)
+	 };
+
+	Object.defineProperties( HttpClass.prototype, prototypeAccessors );
+
+	// all the contract related methods will be here
+
+	// export
+	var ContractClass = /*@__PURE__*/(function (HttpClass) {
+	  function ContractClass(opts) {
+	    HttpClass.call(this, opts);
+	  }
+
+	  if ( HttpClass ) ContractClass.__proto__ = HttpClass;
+	  ContractClass.prototype = Object.create( HttpClass && HttpClass.prototype );
+	  ContractClass.prototype.constructor = ContractClass;
+
+	  var prototypeAccessors = { contractHeader: { configurable: true } };
+
+	  /**
+	   * return the contract public api
+	   * @return {object} contract
+	   */
+	  ContractClass.prototype.getContract = function getContract () {
+	    var contracts = this.readContract();
+	    this.log('getContract first call', contracts);
+	    if (contracts && Array.isArray(contracts)) {
+	      var contract = contracts[ this[ENDPOINT_TABLE + 'Index'] || 0 ];
+	      if (contract) {
+	        return Promise.resolve(contract)
+	      }
+	    }
+	    return this.get()
+	      .then( this.storeContract.bind(this) )
+	  };
+
+	  /**
+	   * We are changing the way how to auth to get the contract.json
+	   * Instead of in the url, we will be putting that key value in the header
+	   * @return {object} header
+	   */
+	  prototypeAccessors.contractHeader.get = function () {
+	    var base = {};
+	    if (this.opts.contractKey !== false) {
+	      base[this.opts.contractKeyName] = this.opts.contractKey;
+	    }
+	    return base;
+	  };
+
+	  /**
+	   * Save the contract to local store
+	   * @param {object} contract to save
+	   * @return {object|boolean} false when its not a contract or contract on OK
+	   */
+	  ContractClass.prototype.storeContract = function storeContract (contract) {
+	    // first need to check if the contract is a contract
+	    if (!isContract(contract)) {
+	      throw new JsonqlValidationError("Contract is malformed!")
+	      //return false;
+	    }
+	    var args = [contract];
+	    if (this.opts.contractExpired) {
+	      var expired = parseFloat(this.opts.contractExpired);
+	      if (!isNaN(expired) && expired > 0) {
+	        args.push(expired);
+	      }
+	    }
+	    // calling the setter
+	    this.jsonqlContract = args;
+	    // return it
+	    this.log('storeContract return result', contract);
+	    return contract;
+	  };
+
+	  /**
+	   * return the contract from options or localStore
+	   * @return {object} contract
+	   */
+	  ContractClass.prototype.readContract = function readContract () {
+	    var contract = isContract(this.opts.contract);
+	    return contract ? this.opts.contract : localStore$1.get(this.opts.storageKey)
+	  };
+
+	  Object.defineProperties( ContractClass.prototype, prototypeAccessors );
+
+	  return ContractClass;
+	}(HttpClass));
+
+	// this is the new auth class that integrate with the jsonql-jwt
+	// export
+	var AuthClass = /*@__PURE__*/(function (ContractClass) {
+	  function AuthClass(opts) {
+	    ContractClass.call(this, opts);
+	    if (opts.enableAuth && opts.useJwt) {
+	      this.setDecoder = jwtDecode;
+	    }
+	  }
+
+	  if ( ContractClass ) AuthClass.__proto__ = ContractClass;
+	  AuthClass.prototype = Object.create( ContractClass && ContractClass.prototype );
+	  AuthClass.prototype.constructor = AuthClass;
+
+	  var prototypeAccessors = { userdata: { configurable: true },rawAuthToken: { configurable: true },setDecoder: { configurable: true } };
+
+	  /**
+	   * Getter to get the login userdata
+	   * @return {mixed} userdata
+	   */
+	  prototypeAccessors.userdata.get = function () {
+	    return this.jsonqlUserdata; // see base-cls
+	  };
+
+	  /**
+	   * Return the token from session store
+	   * @return {string} token
+	   */
+	  prototypeAccessors.rawAuthToken.get = function () {
+	    // this should return from the base
+	    return this.jsonqlToken; // see base-cls
+	  };
+
+	  /**
+	   * Setter to add a decoder when retrieve user token
+	   * @param {function} d a decoder
+	   */
+	  prototypeAccessors.setDecoder.set = function (d) {
+	    if (typeof d === 'function') {
+	      this.decoder = d;
+	    }
+	  };
+
+	  /**
+	   * Setter after login success
+	   * @TODO this move to a new class to handle multiple login
+	   * @param {string} token to store
+	   * @return {*} success store
+	   */
+	  AuthClass.prototype.storeToken = function storeToken (token) {
+	    return this.jsonqlToken = token;
+	  };
+
+	  /**
+	   * for overwrite
+	   * @param {string} token stored token
+	   * @return {string} token
+	   */
+	  AuthClass.prototype.decoder = function decoder (token) {
+	    return token;
+	  };
+
+	  /**
+	   * Construct the auth header
+	   * @return {object} header
+	   */
+	  AuthClass.prototype.getAuthHeader = function getAuthHeader () {
+	    var obj;
+
+	    var token = this.rawAuthToken;
+	    return token ? ( obj = {}, obj[this.opts.AUTH_HEADER] = (BEARER + " " + token), obj ) : {};
+	  };
+
+	  Object.defineProperties( AuthClass.prototype, prototypeAccessors );
+
+	  return AuthClass;
+	}(ContractClass));
+
+	// this the core of the internal storage management
+
+	// This class will only focus on the storage system
+	var JsonqlBaseClient = /*@__PURE__*/(function (AuthCls) {
+	  function JsonqlBaseClient(opts, Fly) {
+	    if ( Fly === void 0 ) Fly = null;
+
+	    if (Fly) {
+	      opts.Fly = Fly;
+	    }
+	    AuthCls.call(this, opts);
+	  }
+
+	  if ( AuthCls ) JsonqlBaseClient.__proto__ = AuthCls;
+	  JsonqlBaseClient.prototype = Object.create( AuthCls && AuthCls.prototype );
+	  JsonqlBaseClient.prototype.constructor = JsonqlBaseClient;
+
+	  var prototypeAccessors = { storeIt: { configurable: true },jsonqlEndpoint: { configurable: true },jsonqlContract: { configurable: true },jsonqlToken: { configurable: true },jsonqlUserdata: { configurable: true } };
+
+	  // @TODO
+	  prototypeAccessors.storeIt.set = function (args) {
+	    console.info('storeIt', args);
+	    // the args MUST contain [0] the key , [1] the content [2] optional expired in
+	    if (isArray$1(args) && args.length >= 2) {
+	      Reflect.apply(localStore$1.set, localStore$1, args);
+	    }
+	    throw new JsonqlValidationError("Expect argument to be array and least 2 items!")
+	  };
+
+	  // this table index key will drive the contract
+	  // also it should not allow to change dynamicly
+	  // because this is how different client can id itself
+	  // OK this could be self manage because when init a new client
+	  // it will add a new endpoint and we will know if they are the same or not
+	  // but the check here
+	  prototypeAccessors.jsonqlEndpoint.set = function (endpoint) {
+	    var urls = localStore$1.get(ENDPOINT_TABLE) || [];
+	    // should check if this url already existed?
+	    if (!inArray$1(urls, endpoint)) {
+	      urls.push(endpoint);
+	      this.storeId = [ENDPOINT_TABLE, urls];
+	      this[ENDPOINT_TABLE + 'Index'] = urls.length - 1;
+	    }
+	  };
+
+	  // by the time it call the save contract already been checked
+	  prototypeAccessors.jsonqlContract.set = function (args) {
+	    var key = this.opts.storageKey;
+	    var _args = [ key ];
+	    var contract = args[0];
+	    var expired = args[1];
+	    // get the endpoint index
+	    var contracts = localStore$1.get(key) || [];
+	    contracts[ this[ENDPOINT_TABLE + 'Index'] || 0 ] = contract;
+	    _args.push(contracts);
+	    if (expired) {
+	      _args.push(expired);
+	    }
+	    if (this.opts.keepContract) {
+	      this.storeIt = _args;
+	    }
+	  };
+
+	  /**
+	   * save token
+	   * @param {string} token to store
+	   * @return {string|boolean} false on failed
+	   */
+	  prototypeAccessors.jsonqlToken.set = function (token) {
+	    var key = CREDENTIAL_STORAGE_KEY;
+	    var tokens = localStorage.get(key) || [];
+	    if (!inArray$1(tokens, token)) {
+	      var index = tokens.length - 1;
+	      tokens[ index ] = token;
+	      this[key + 'Index'] = index;
+	      var args = [key, tokens];
+	      if (this.opts.tokenExpired) {
+	        var expired = parseFloat(this.opts.tokenExpired);
+	        if (!isNaN(expired) && expired > 0) {
+	          var ts = timestamp();
+	          args.push( ts + parseFloat(expired) );
+	        }
+	      }
+	      this.storeIt = args;
+	      // now decode it and store in the userdata
+	      this.jsonqlUserdata = this.decoder(token);
+	      return token;
+	    }
+	    return false;
+	  };
+
+	  /**
+	   * this one will use the sessionStore
+	   * basically we hook this onto the token store and decode it to store here
+	   */
+	  prototypeAccessors.jsonqlUserdata.set = function (userdata) {
+	    var args = [USERDATA_TABLE, userdata];
+	    if (userdata.exp) {
+	      args.push(userdata.exp);
+	    }
+	    return Reflect.apply(localStore$1.set, localStore$1, args)
+	  };
+
+	  /**
+	   * This also manage the index internally
+	   * There is NO need to store them in an array
+	   * because each instance contain one end point
+	   * @return {string} the end point to call
+	   */
+	  prototypeAccessors.jsonqlEndpoint.get = function () {
+	    var urls = localStore$1.get(ENDPOINT_TABLE);
+	    if (!urls) {
+	      var ref = this.opts;
+	      var hostname = ref.hostname;
+	      var jsonqlPath = ref.jsonqlPath;
+	      var url = [hostname, jsonqlPath].join('/');
+	      this.jsonqlEndpoint = url;
+	      return url;
+	    }
+	    return urls[this[ENDPOINT_TABLE + 'Index']]
+	  };
+
+	  /**
+	   * If already stored then return it by the end point index
+	   * or false when there is none
+	   * 1.2.0 start using the keepContract option (replace the useLocalStorage)
+	   * @return {object|boolean} as described above
+	   */
+	  prototypeAccessors.jsonqlContract.get = function () {
+	    var key = this.opts.storageKey;
+	    var contracts = localStore$1.get(key) || [];
+	    return contracts[ this[ENDPOINT_TABLE + 'Index'] ] || false
+	  };
+
+	  /**
+	   * Jsonql token getter
+	   * @return {string|boolean} false when failed
+	   */
+	  prototypeAccessors.jsonqlToken.get = function () {
+	    var key = CREDENTIAL_STORAGE_KEY;
+	    var tokens = localStorage.get(key);
+	    if (tokens) {
+	      return tokens[ this[key + 'Index'] ]
+	    }
+	    return false;
+	  };
+
+	  /**
+	   * this one store in the session store
+	   * get login userdata decoded jwt
+	   * @return {object|null}
+	   */
+	  prototypeAccessors.jsonqlUserdata.get = function () {
+	    return sessionStore$1.get(USERDATA_TABLE)
+	  };
+
+	  /**
+	   * simple log
+	   */
+	  JsonqlBaseClient.prototype.log = function log () {
+	    var args = [], len = arguments.length;
+	    while ( len-- ) args[ len ] = arguments[ len ];
+
+	    if (this.opts.debugOn === true) {
+	      Reflect.apply(console.info, console, args);
+	    }
+	  };
+
+	  Object.defineProperties( JsonqlBaseClient.prototype, prototypeAccessors );
+
+	  return JsonqlBaseClient;
+	}(AuthClass));
+
+	// export interface
+
+	// all the client configuration options here
+	var constProps = {
+	  contract: false,
+	  MUTATION_ARGS: ['name', 'payload', 'conditions'], // this seems wrong?
+	  CONTENT_TYPE: CONTENT_TYPE,
+	  BEARER: BEARER,
+	  AUTH_HEADER: AUTH_HEADER
+	};
+
+	// grab the localhost name and put into the hostname as default
+	var getHostName = function () { return (
+	  [window.location.protocol, window.location.host].join('//')
+	); };
+
+	var appProps$1 = {
+
+	  hostname: createConfig$1(getHostName(), [STRING_TYPE]), // required the hostname
+	  jsonqlPath: createConfig$1(JSONQL_PATH, [STRING_TYPE]), // The path on the server
+
+	  loginHandlerName: createConfig$1(ISSUER_NAME, [STRING_TYPE]),
+	  logoutHandlerName: createConfig$1(LOGOUT_NAME, [STRING_TYPE]),
+	  // add to koa v1.3.0 - this might remove in the future
+	  enableJsonp: createConfig$1(false, [BOOLEAN_TYPE]),
+	  enableAuth: createConfig$1(false, [BOOLEAN_TYPE]),
+	  // enable useJwt by default
+	  useJwt: createConfig$1(true, [BOOLEAN_TYPE]),
+
+	   // the header
+	   // v1.2.0 we are using this option during the dev
+	   // so it won't save anything to the localstorage and fetch a new contract
+	   // whenever the browser reload
+	  useLocalstorage: createConfig$1(true, [BOOLEAN_TYPE]), // should we store the contract into localStorage
+	  storageKey: createConfig$1(CLIENT_STORAGE_KEY, [STRING_TYPE]),// the key to use when store into localStorage
+	  authKey: createConfig$1(CLIENT_AUTH_KEY, [STRING_TYPE]),// the key to use when store into the sessionStorage
+	  contractExpired: createConfig$1(0, [NUMBER_TYPE]),// -1 always fetch contract,
+	                      // 0 never expired,
+	                      // > 0 then compare the timestamp with the current one to see if we need to get contract again
+	  // useful during development
+	  keepContract: createConfig$1(true, [BOOLEAN_TYPE]),
+	  exposeContract: createConfig$1(false, [BOOLEAN_TYPE]),
+	  // @1.2.1 new option for the contract-console to fetch the contract with description
+	  showContractDesc: createConfig$1(false, [BOOLEAN_TYPE]),
+	  contractKey: createConfig$1(false, [BOOLEAN_TYPE]), // if the server side is lock by the key you need this
+	  contractKeyName: createConfig$1(CONTRACT_KEY_NAME, [STRING_TYPE]), // same as above they go in pairs
+	  enableTimeout: createConfig$1(false, [BOOLEAN_TYPE]), // @TODO
+	  timeout: createConfig$1(5000, [NUMBER_TYPE]), // 5 seconds
+	  returnInstance: createConfig$1(false, [BOOLEAN_TYPE]),
+	  allowReturnRawToken: createConfig$1(false, [BOOLEAN_TYPE]),
+	  debugOn: createConfig$1(false, [BOOLEAN_TYPE])
+	};
+
+	// This is for the sync version therefore we don't need to care about the contract options
+
+	function checkOptions(config) {
+	  return checkConfig$1(config, appProps$1, constProps)
+	}
+
+	// export interface
+
+	function checkOptions$1(config) {
+	  return config[CHECKED_KEY] ? config : checkOptions(config)
+	}
+
+	var NB_EVENT_SERVICE_PRIVATE_STORE = new WeakMap();
+	var NB_EVENT_SERVICE_PRIVATE_LAZY = new WeakMap();
+
+	/**
+	 * generate a 32bit hash based on the function.toString()
+	 * _from http://stackoverflow.com/questions/7616461/generate-a-hash-_from-string-in-javascript-jquery
+	 * @param {string} s the converted to string function
+	 * @return {string} the hashed function string
+	 */
+	function hashCode(s) {
+		return s.split("").reduce(function(a,b){a=((a<<5)-a)+b.charCodeAt(0);return a&a},0)
+	}
+
+	// making all the functionality on it's own
+	// import { WatchClass } from './watch'
+
+	var SuspendClass = function SuspendClass() {
+	  // suspend, release and queue
+	  this.__suspend__ = null;
+	  this.queueStore = new Set();
+	  /*
+	  this.watch('suspend', function(value, prop, oldValue) {
+	    this.logger(`${prop} set from ${oldValue} to ${value}`)
+	    // it means it set the suspend = true then release it
+	    if (oldValue === true && value === false) {
+	      // we want this happen after the return happens
+	      setTimeout(() => {
+	        this.release()
+	      }, 1)
+	    }
+	    return value; // we need to return the value to store it
+	  })
+	  */
+	};
+
+	var prototypeAccessors$1 = { $suspend: { configurable: true },$queues: { configurable: true } };
+
+	/**
+	 * setter to set the suspend and check if it's boolean value
+	 * @param {boolean} value to trigger
+	 */
+	prototypeAccessors$1.$suspend.set = function (value) {
+	    var this$1 = this;
+
+	  if (typeof value === 'boolean') {
+	    var lastValue = this.__suspend__;
+	    this.__suspend__ = value;
+	    this.logger('($suspend)', ("Change from " + lastValue + " --> " + value));
+	    if (lastValue === true && value === false) {
+	      setTimeout(function () {
+	        this$1.release();
+	      }, 1);
+	    }
+	  } else {
+	    throw new Error("$suspend only accept Boolean value!")
+	  }
+	};
+
+	/**
+	 * queuing call up when it's in suspend mode
+	 * @param {any} value
+	 * @return {Boolean} true when added or false when it's not
+	 */
+	SuspendClass.prototype.$queue = function $queue () {
+	    var args = [], len = arguments.length;
+	    while ( len-- ) args[ len ] = arguments[ len ];
+
+	  if (this.__suspend__ === true) {
+	    this.logger('($queue)', 'added to $queue', args);
+	    // there shouldn't be any duplicate ...
+	    this.queueStore.add(args);
+	  }
+	  return this.__suspend__;
+	};
+
+	/**
+	 * a getter to get all the store queue
+	 * @return {array} Set turn into Array before return
+	 */
+	prototypeAccessors$1.$queues.get = function () {
+	  var size = this.queueStore.size;
+	  this.logger('($queues)', ("size: " + size));
+	  if (size > 0) {
+	    return Array.from(this.queueStore)
+	  }
+	  return []
+	};
+
+	/**
+	 * Release the queue
+	 * @return {int} size if any
+	 */
+	SuspendClass.prototype.release = function release () {
+	    var this$1 = this;
+
+	  var size = this.queueStore.size;
+	  this.logger('(release)', ("Release was called " + size));
+	  if (size > 0) {
+	    var queue = Array.from(this.queueStore);
+	    this.queueStore.clear();
+	    this.logger('queue', queue);
+	    queue.forEach(function (args) {
+	      this$1.logger(args);
+	      Reflect.apply(this$1.$trigger, this$1, args);
+	    });
+	    this.logger(("Release size " + (this.queueStore.size)));
+	  }
+	};
+
+	Object.defineProperties( SuspendClass.prototype, prototypeAccessors$1 );
+
+	// break up the main file because its getting way too long
+
+	var NbEventServiceBase = /*@__PURE__*/(function (SuspendClass) {
+	  function NbEventServiceBase(config) {
+	    if ( config === void 0 ) config = {};
+
+	    SuspendClass.call(this);
+	    if (config.logger && typeof config.logger === 'function') {
+	      this.logger = config.logger;
+	    }
+	    this.keep = config.keep;
+	    // for the $done setter
+	    this.result = config.keep ? [] : null;
+	    // we need to init the store first otherwise it could be a lot of checking later
+	    this.normalStore = new Map();
+	    this.lazyStore = new Map();
+	  }
+
+	  if ( SuspendClass ) NbEventServiceBase.__proto__ = SuspendClass;
+	  NbEventServiceBase.prototype = Object.create( SuspendClass && SuspendClass.prototype );
+	  NbEventServiceBase.prototype.constructor = NbEventServiceBase;
+
+	  var prototypeAccessors = { normalStore: { configurable: true },lazyStore: { configurable: true } };
+
+	  /**
+	   * validate the event name(s)
+	   * @param {string[]} evt event name
+	   * @return {boolean} true when OK
+	   */
+	  NbEventServiceBase.prototype.validateEvt = function validateEvt () {
+	    var this$1 = this;
+	    var evt = [], len = arguments.length;
+	    while ( len-- ) evt[ len ] = arguments[ len ];
+
+	    evt.forEach(function (e) {
+	      if (typeof e !== 'string') {
+	        this$1.logger('(validateEvt)', e);
+	        throw new Error("event name must be string type!")
+	      }
+	    });
+	    return true;
+	  };
+
+	  /**
+	   * Simple quick check on the two main parameters
+	   * @param {string} evt event name
+	   * @param {function} callback function to call
+	   * @return {boolean} true when OK
+	   */
+	  NbEventServiceBase.prototype.validate = function validate (evt, callback) {
+	    if (this.validateEvt(evt)) {
+	      if (typeof callback === 'function') {
+	        return true;
+	      }
+	    }
+	    throw new Error("callback required to be function type!")
+	  };
+
+	  /**
+	   * Check if this type is correct or not added in V1.5.0
+	   * @param {string} type for checking
+	   * @return {boolean} true on OK
+	   */
+	  NbEventServiceBase.prototype.validateType = function validateType (type) {
+	    var types = ['on', 'only', 'once', 'onlyOnce'];
+	    return !!types.filter(function (t) { return type === t; }).length;
+	  };
+
+	  /**
+	   * Run the callback
+	   * @param {function} callback function to execute
+	   * @param {array} payload for callback
+	   * @param {object} ctx context or null
+	   * @return {void} the result store in $done
+	   */
+	  NbEventServiceBase.prototype.run = function run (callback, payload, ctx) {
+	    this.logger('(run)', callback, payload, ctx);
+	    this.$done = Reflect.apply(callback, ctx, this.toArray(payload));
+	  };
+
+	  /**
+	   * Take the content out and remove it from store id by the name
+	   * @param {string} evt event name
+	   * @param {string} [storeName = lazyStore] name of store
+	   * @return {object|boolean} content or false on not found
+	   */
+	  NbEventServiceBase.prototype.takeFromStore = function takeFromStore (evt, storeName) {
+	    if ( storeName === void 0 ) storeName = 'lazyStore';
+
+	    var store = this[storeName]; // it could be empty at this point
+	    if (store) {
+	      this.logger('(takeFromStore)', storeName, store);
+	      if (store.has(evt)) {
+	        var content = store.get(evt);
+	        this.logger('(takeFromStore)', ("has " + evt), content);
+	        store.delete(evt);
+	        return content;
+	      }
+	      return false;
+	    }
+	    throw new Error((storeName + " is not supported!"))
+	  };
+
+	  /**
+	   * The add to store step is similar so make it generic for resuse
+	   * @param {object} store which store to use
+	   * @param {string} evt event name
+	   * @param {spread} args because the lazy store and normal store store different things
+	   * @return {array} store and the size of the store
+	   */
+	  NbEventServiceBase.prototype.addToStore = function addToStore (store, evt) {
+	    var args = [], len = arguments.length - 2;
+	    while ( len-- > 0 ) args[ len ] = arguments[ len + 2 ];
+
+	    var fnSet;
+	    if (store.has(evt)) {
+	      this.logger('(addToStore)', (evt + " existed"));
+	      fnSet = store.get(evt);
+	    } else {
+	      this.logger('(addToStore)', ("create new Set for " + evt));
+	      // this is new
+	      fnSet = new Set();
+	    }
+	    // lazy only store 2 items - this is not the case in V1.6.0 anymore
+	    // we need to check the first parameter is string or not
+	    if (args.length > 2) {
+	      if (Array.isArray(args[0])) { // lazy store
+	        // check if this type of this event already register in the lazy store
+	        var t = args[2];
+	        if (!this.checkTypeInLazyStore(evt, t)) {
+	          fnSet.add(args);
+	        }
+	      } else {
+	        if (!this.checkContentExist(args, fnSet)) {
+	          this.logger('(addToStore)', "insert new", args);
+	          fnSet.add(args);
+	        }
+	      }
+	    } else { // add straight to lazy store
+	      fnSet.add(args);
+	    }
+	    store.set(evt, fnSet);
+	    return [store, fnSet.size]
+	  };
+
+	  /**
+	   * @param {array} args for compare
+	   * @param {object} fnSet A Set to search from
+	   * @return {boolean} true on exist
+	   */
+	  NbEventServiceBase.prototype.checkContentExist = function checkContentExist (args, fnSet) {
+	    var list = Array.from(fnSet);
+	    return !!list.filter(function (l) {
+	      var hash = l[0];
+	      if (hash === args[0]) {
+	        return true;
+	      }
+	      return false;
+	    }).length;
+	  };
+
+	  /**
+	   * get the existing type to make sure no mix type add to the same store
+	   * @param {string} evtName event name
+	   * @param {string} type the type to check
+	   * @return {boolean} true you can add, false then you can't add this type
+	   */
+	  NbEventServiceBase.prototype.checkTypeInStore = function checkTypeInStore (evtName, type) {
+	    this.validateEvt(evtName, type);
+	    var all = this.$get(evtName, true);
+	    if (all === false) {
+	       // pristine it means you can add
+	      return true;
+	    }
+	    // it should only have ONE type in ONE event store
+	    return !all.filter(function (list) {
+	      var t = list[3];
+	      return type !== t;
+	    }).length;
+	  };
+
+	  /**
+	   * This is checking just the lazy store because the structure is different
+	   * therefore we need to use a new method to check it
+	   */
+	  NbEventServiceBase.prototype.checkTypeInLazyStore = function checkTypeInLazyStore (evtName, type) {
+	    this.validateEvt(evtName, type);
+	    var store = this.lazyStore.get(evtName);
+	    this.logger('(checkTypeInLazyStore)', store);
+	    if (store) {
+	      return !!Array
+	        .from(store)
+	        .filter(function (l) {
+	          var t = l[2];
+	          return t !== type;
+	        }).length
+	    }
+	    return false;
+	  };
+
+	  /**
+	   * wrapper to re-use the addToStore,
+	   * V1.3.0 add extra check to see if this type can add to this evt
+	   * @param {string} evt event name
+	   * @param {string} type on or once
+	   * @param {function} callback function
+	   * @param {object} context the context the function execute in or null
+	   * @return {number} size of the store
+	   */
+	  NbEventServiceBase.prototype.addToNormalStore = function addToNormalStore (evt, type, callback, context) {
+	    if ( context === void 0 ) context = null;
+
+	    this.logger('(addToNormalStore)', evt, type, 'try to add to normal store');
+	    // @TODO we need to check the existing store for the type first!
+	    if (this.checkTypeInStore(evt, type)) {
+	      this.logger('(addToNormalStore)', (type + " can add to " + evt + " normal store"));
+	      var key = this.hashFnToKey(callback);
+	      var args = [this.normalStore, evt, key, callback, context, type];
+	      var ref = Reflect.apply(this.addToStore, this, args);
+	      var _store = ref[0];
+	      var size = ref[1];
+	      this.normalStore = _store;
+	      return size;
+	    }
+	    return false;
+	  };
+
+	  /**
+	   * Add to lazy store this get calls when the callback is not register yet
+	   * so we only get a payload object or even nothing
+	   * @param {string} evt event name
+	   * @param {array} payload of arguments or empty if there is none
+	   * @param {object} [context=null] the context the callback execute in
+	   * @param {string} [type=false] register a type so no other type can add to this evt
+	   * @return {number} size of the store
+	   */
+	  NbEventServiceBase.prototype.addToLazyStore = function addToLazyStore (evt, payload, context, type) {
+	    if ( payload === void 0 ) payload = [];
+	    if ( context === void 0 ) context = null;
+	    if ( type === void 0 ) type = false;
+
+	    // this is add in V1.6.0
+	    // when there is type then we will need to check if this already added in lazy store
+	    // and no other type can add to this lazy store
+	    var args = [this.lazyStore, evt, this.toArray(payload), context];
+	    if (type) {
+	      args.push(type);
+	    }
+	    var ref = Reflect.apply(this.addToStore, this, args);
+	    var _store = ref[0];
+	    var size = ref[1];
+	    this.lazyStore = _store;
+	    return size;
+	  };
+
+	  /**
+	   * make sure we store the argument correctly
+	   * @param {*} arg could be array
+	   * @return {array} make sured
+	   */
+	  NbEventServiceBase.prototype.toArray = function toArray (arg) {
+	    return Array.isArray(arg) ? arg : [arg];
+	  };
+
+	  /**
+	   * setter to store the Set in private
+	   * @param {object} obj a Set
+	   */
+	  prototypeAccessors.normalStore.set = function (obj) {
+	    NB_EVENT_SERVICE_PRIVATE_STORE.set(this, obj);
+	  };
+
+	  /**
+	   * @return {object} Set object
+	   */
+	  prototypeAccessors.normalStore.get = function () {
+	    return NB_EVENT_SERVICE_PRIVATE_STORE.get(this)
+	  };
+
+	  /**
+	   * setter to store the Set in lazy store
+	   * @param {object} obj a Set
+	   */
+	  prototypeAccessors.lazyStore.set = function (obj) {
+	    NB_EVENT_SERVICE_PRIVATE_LAZY.set(this , obj);
+	  };
+
+	  /**
+	   * @return {object} the lazy store Set
+	   */
+	  prototypeAccessors.lazyStore.get = function () {
+	    return NB_EVENT_SERVICE_PRIVATE_LAZY.get(this)
+	  };
+
+	  /**
+	   * generate a hashKey to identify the function call
+	   * The build-in store some how could store the same values!
+	   * @param {function} fn the converted to string function
+	   * @return {string} hashKey
+	   */
+	  NbEventServiceBase.prototype.hashFnToKey = function hashFnToKey (fn) {
+	    return hashCode(fn.toString()) + '';
+	  };
+
+	  Object.defineProperties( NbEventServiceBase.prototype, prototypeAccessors );
+
+	  return NbEventServiceBase;
+	}(SuspendClass));
+
+	// The top level
+	// export
+	var EventService = /*@__PURE__*/(function (NbStoreService) {
+	  function EventService(config) {
+	    if ( config === void 0 ) config = {};
+
+	    NbStoreService.call(this, config);
+	  }
+
+	  if ( NbStoreService ) EventService.__proto__ = NbStoreService;
+	  EventService.prototype = Object.create( NbStoreService && NbStoreService.prototype );
+	  EventService.prototype.constructor = EventService;
+
+	  var prototypeAccessors = { $done: { configurable: true } };
+
+	  /**
+	   * logger function for overwrite
+	   */
+	  EventService.prototype.logger = function logger () {};
+
+	  //////////////////////////
+	  //    PUBLIC METHODS    //
+	  //////////////////////////
+
+	  /**
+	   * Register your evt handler, note we don't check the type here,
+	   * we expect you to be sensible and know what you are doing.
+	   * @param {string} evt name of event
+	   * @param {function} callback bind method --> if it's array or not
+	   * @param {object} [context=null] to execute this call in
+	   * @return {number} the size of the store
+	   */
+	  EventService.prototype.$on = function $on (evt , callback , context) {
+	    var this$1 = this;
+	    if ( context === void 0 ) context = null;
+
+	    var type = 'on';
+	    this.validate(evt, callback);
+	    // first need to check if this evt is in lazy store
+	    var lazyStoreContent = this.takeFromStore(evt);
+	    // this is normal register first then call later
+	    if (lazyStoreContent === false) {
+	      this.logger('($on)', (evt + " callback is not in lazy store"));
+	      // @TODO we need to check if there was other listener to this
+	      // event and are they the same type then we could solve that
+	      // register the different type to the same event name
+
+	      return this.addToNormalStore(evt, type, callback, context)
+	    }
+	    this.logger('($on)', (evt + " found in lazy store"));
+	    // this is when they call $trigger before register this callback
+	    var size = 0;
+	    lazyStoreContent.forEach(function (content) {
+	      var payload = content[0];
+	      var ctx = content[1];
+	      var t = content[2];
+	      if (t && t !== type) {
+	        throw new Error(("You are trying to register an event already been taken by other type: " + t))
+	      }
+	      this$1.logger("($on)", ("call run on " + evt));
+	      this$1.run(callback, payload, context || ctx);
+	      size += this$1.addToNormalStore(evt, type, callback, context || ctx);
+	    });
+	    return size;
+	  };
+
+	  /**
+	   * once only registered it once, there is no overwrite option here
+	   * @NOTE change in v1.3.0 $once can add multiple listeners
+	   *       but once the event fired, it will remove this event (see $only)
+	   * @param {string} evt name
+	   * @param {function} callback to execute
+	   * @param {object} [context=null] the handler execute in
+	   * @return {boolean} result
+	   */
+	  EventService.prototype.$once = function $once (evt , callback , context) {
+	    if ( context === void 0 ) context = null;
+
+	    this.validate(evt, callback);
+	    var type = 'once';
+	    var lazyStoreContent = this.takeFromStore(evt);
+	    // this is normal register before call $trigger
+	    var nStore = this.normalStore;
+	    if (lazyStoreContent === false) {
+	      this.logger('($once)', (evt + " not in the lazy store"));
+	      // v1.3.0 $once now allow to add multiple listeners
+	      return this.addToNormalStore(evt, type, callback, context)
+	    } else {
+	      // now this is the tricky bit
+	      // there is a potential bug here that cause by the developer
+	      // if they call $trigger first, the lazy won't know it's a once call
+	      // so if in the middle they register any call with the same evt name
+	      // then this $once call will be fucked - add this to the documentation
+	      this.logger('($once)', lazyStoreContent);
+	      var list = Array.from(lazyStoreContent);
+	      // should never have more than 1
+	      var ref = list[0];
+	      var payload = ref[0];
+	      var ctx = ref[1];
+	      var t = ref[2];
+	      if (t && t !== type) {
+	        throw new Error(("You are trying to register an event already been taken by other type: " + t))
+	      }
+	      this.logger('($once)', ("call run for " + evt));
+	      this.run(callback, payload, context || ctx);
+	      // remove this evt from store
+	      this.$off(evt);
+	    }
+	  };
+
+	  /**
+	   * This one event can only bind one callbackback
+	   * @param {string} evt event name
+	   * @param {function} callback event handler
+	   * @param {object} [context=null] the context the event handler execute in
+	   * @return {boolean} true bind for first time, false already existed
+	   */
+	  EventService.prototype.$only = function $only (evt, callback, context) {
+	    var this$1 = this;
+	    if ( context === void 0 ) context = null;
+
+	    this.validate(evt, callback);
+	    var type = 'only';
+	    var added = false;
+	    var lazyStoreContent = this.takeFromStore(evt);
+	    // this is normal register before call $trigger
+	    var nStore = this.normalStore;
+	    if (!nStore.has(evt)) {
+	      this.logger("($only)", (evt + " add to store"));
+	      added = this.addToNormalStore(evt, type, callback, context);
+	    }
+	    if (lazyStoreContent !== false) {
+	      // there are data store in lazy store
+	      this.logger('($only)', (evt + " found data in lazy store to execute"));
+	      var list = Array.from(lazyStoreContent);
+	      // $only allow to trigger this multiple time on the single handler
+	      list.forEach( function (l) {
+	        var payload = l[0];
+	        var ctx = l[1];
+	        var t = l[2];
+	        if (t && t !== type) {
+	          throw new Error(("You are trying to register an event already been taken by other type: " + t))
+	        }
+	        this$1.logger("($only)", ("call run for " + evt));
+	        this$1.run(callback, payload, context || ctx);
+	      });
+	    }
+	    return added;
+	  };
+
+	  /**
+	   * $only + $once this is because I found a very subtile bug when we pass a
+	   * resolver, rejecter - and it never fire because that's OLD added in v1.4.0
+	   * @param {string} evt event name
+	   * @param {function} callback to call later
+	   * @param {object} [context=null] exeucte context
+	   * @return {void}
+	   */
+	  EventService.prototype.$onlyOnce = function $onlyOnce (evt, callback, context) {
+	    if ( context === void 0 ) context = null;
+
+	    this.validate(evt, callback);
+	    var type = 'onlyOnce';
+	    var added = false;
+	    var lazyStoreContent = this.takeFromStore(evt);
+	    // this is normal register before call $trigger
+	    var nStore = this.normalStore;
+	    if (!nStore.has(evt)) {
+	      this.logger("($onlyOnce)", (evt + " add to store"));
+	      added = this.addToNormalStore(evt, type, callback, context);
+	    }
+	    if (lazyStoreContent !== false) {
+	      // there are data store in lazy store
+	      this.logger('($onlyOnce)', lazyStoreContent);
+	      var list = Array.from(lazyStoreContent);
+	      // should never have more than 1
+	      var ref = list[0];
+	      var payload = ref[0];
+	      var ctx = ref[1];
+	      var t = ref[2];
+	      if (t && t !== 'onlyOnce') {
+	        throw new Error(("You are trying to register an event already been taken by other type: " + t))
+	      }
+	      this.logger("($onlyOnce)", ("call run for " + evt));
+	      this.run(callback, payload, context || ctx);
+	      // remove this evt from store
+	      this.$off(evt);
+	    }
+	    return added;
+	  };
+
+	  /**
+	   * This is a shorthand of $off + $on added in V1.5.0
+	   * @param {string} evt event name
+	   * @param {function} callback to exeucte
+	   * @param {object} [context = null] or pass a string as type
+	   * @param {string} [type=on] what type of method to replace
+	   * @return {}
+	   */
+	  EventService.prototype.$replace = function $replace (evt, callback, context, type) {
+	    if ( context === void 0 ) context = null;
+	    if ( type === void 0 ) type = 'on';
+
+	    if (this.validateType(type)) {
+	      this.$off(evt);
+	      var method = this['$' + type];
+	      this.logger("($replace)", evt, callback);
+	      return Reflect.apply(method, this, [evt, callback, context])
+	    }
+	    throw new Error((type + " is not supported!"))
+	  };
+
+	  /**
+	   * trigger the event
+	   * @param {string} evt name NOT allow array anymore!
+	   * @param {mixed} [payload = []] pass to fn
+	   * @param {object|string} [context = null] overwrite what stored
+	   * @param {string} [type=false] if pass this then we need to add type to store too
+	   * @return {number} if it has been execute how many times
+	   */
+	  EventService.prototype.$trigger = function $trigger (evt , payload , context, type) {
+	    if ( payload === void 0 ) payload = [];
+	    if ( context === void 0 ) context = null;
+	    if ( type === void 0 ) type = false;
+
+	    this.validateEvt(evt);
+	    var found = 0;
+	    // first check the normal store
+	    var nStore = this.normalStore;
+	    this.logger('($trigger)', 'normalStore', nStore);
+	    if (nStore.has(evt)) {
+	      // @1.8.0 to add the suspend queue
+	      var added = this.$queue(evt, payload, context, type);
+	      this.logger('($trigger)', evt, 'found; add to queue: ', added);
+	      if (added === true) {
+	        this.logger('($trigger)', evt, 'not executed. Exit now.');
+	        return false; // not executed
+	      }
+	      var nSet = Array.from(nStore.get(evt));
+	      var ctn = nSet.length;
+	      var hasOnce = false;
+	      for (var i=0; i < ctn; ++i) {
+	        ++found;
+	        // this.logger('found', found)
+	        var ref = nSet[i];
+	        var _ = ref[0];
+	        var callback = ref[1];
+	        var ctx = ref[2];
+	        var type$1 = ref[3];
+	        this.logger("($trigger)", ("call run for " + evt));
+	        this.run(callback, payload, context || ctx);
+	        if (type$1 === 'once' || type$1 === 'onlyOnce') {
+	          hasOnce = true;
+	        }
+	      }
+	      if (hasOnce) {
+	        nStore.delete(evt);
+	      }
+	      return found;
+	    }
+	    // now this is not register yet
+	    this.addToLazyStore(evt, payload, context, type);
+	    return found;
+	  };
+
+	  /**
+	   * this is an alias to the $trigger
+	   * @NOTE breaking change in V1.6.0 we swap the parameter around
+	   * @param {string} evt event name
+	   * @param {*} params pass to the callback
+	   * @param {string} type of call
+	   * @param {object} context what context callback execute in
+	   * @return {*} from $trigger
+	   */
+	  EventService.prototype.$call = function $call (evt, params, type, context) {
+	    if ( type === void 0 ) type = false;
+	    if ( context === void 0 ) context = null;
+
+	    var args = [evt, params, context, type];
+	    return Reflect.apply(this.$trigger, this, args)
+	  };
+
+	  /**
+	   * remove the evt from all the stores
+	   * @param {string} evt name
+	   * @return {boolean} true actually delete something
+	   */
+	  EventService.prototype.$off = function $off (evt) {
+	    var this$1 = this;
+
+	    this.validateEvt(evt);
+	    var stores = [ this.lazyStore, this.normalStore ];
+	    var found = false;
+	    stores.forEach(function (store) {
+	      if (store.has(evt)) {
+	        found = true;
+	        this$1.logger('($off)', evt);
+	        store.delete(evt);
+	      }
+	    });
+	    return found;
+	  };
+
+	  /**
+	   * return all the listener from the event
+	   * @param {string} evtName event name
+	   * @param {boolean} [full=false] if true then return the entire content
+	   * @return {array|boolean} listerner(s) or false when not found
+	   */
+	  EventService.prototype.$get = function $get (evt, full) {
+	    if ( full === void 0 ) full = false;
+
+	    this.validateEvt(evt);
+	    var store = this.normalStore;
+	    if (store.has(evt)) {
+	      return Array
+	        .from(store.get(evt))
+	        .map( function (l) {
+	          if (full) {
+	            return l;
+	          }
+	          var key = l[0];
+	          var callback = l[1];
+	          return callback;
+	        })
+	    }
+	    return false;
+	  };
+
+	  /**
+	   * store the return result from the run
+	   * @param {*} value whatever return from callback
+	   */
+	  prototypeAccessors.$done.set = function (value) {
+	    this.logger('($done)', 'value: ', value);
+	    if (this.keep) {
+	      this.result.push(value);
+	    } else {
+	      this.result = value;
+	    }
+	  };
+
+	  /**
+	   * @TODO is there any real use with the keep prop?
+	   * getter for $done
+	   * @return {*} whatever last store result
+	   */
+	  prototypeAccessors.$done.get = function () {
+	    if (this.keep) {
+	      this.logger('(get $done)', this.result);
+	      return this.result[this.result.length - 1]
+	    }
+	    return this.result;
+	  };
+
+	  Object.defineProperties( EventService.prototype, prototypeAccessors );
+
+	  return EventService;
+	}(NbEventServiceBase));
+
+	// default
+
+	// this will generate a event emitter and will be use everywhere
+	// output
+	function getEventEmitter(debugOn) {
+	  var logger = debugOn ? function () {
+	    var args = [], len = arguments.length;
+	    while ( len-- ) args[ len ] = arguments[ len ];
+
+	    args.unshift('[NBS]');
+	    console.log.apply(null, args);
+	  }: undefined;
+	  return new EventService({ logger: logger })
+	}
+
+	// this is the new Event base interface
+	/**
+	 * this is the slim client without Fly, you pick the version of Fly to use
+	 * This is a breaking change because it swap the input positions
+	 * @param {object} Fly fly.js
+	 * @param {object} config configuration
+	 * @return {object} the jsonql client instance
+	 */
+	function jsonqlStaticClient(Fly, config) {
+	  if ( config === void 0 ) config = {};
+
+	  var contract = config.contract;
+	  var opts = checkOptions$1(config);
+	  var jsonqlBase = new JsonqlBaseClient(opts, Fly);
+	  var contractPromise = getContractFromConfig(jsonqlBase, contract);
+	  var ee = getEventEmitter(opts.debugOn);
+	  // finally
+	  var methods = generator(jsonqlBase, opts, contractPromise, ee);
+	  methods.eventEmitter = ee;
+	  return methods;
+	}
+
+	// This is the static version that build with the Fly for Browser
+
+	// this is the slim client without Fly
+	function jsonqlStaticClientFull(config) {
+	  if ( config === void 0 ) config = {};
+
+	  return jsonqlStaticClient(Fly$1, config)
+	}
+
+	return jsonqlStaticClientFull;
+
+})));
 //# sourceMappingURL=jsonql-client.static.js.map
diff --git a/packages/http-client/dist/jsonql-client.static.js.map b/packages/http-client/dist/jsonql-client.static.js.map
index bec633e147d76dd3910bfa74f0c484b023b8e1e9..d936fdcfc38f01212be8558c0acbdcdc444ab73b 100644
--- a/packages/http-client/dist/jsonql-client.static.js.map
+++ b/packages/http-client/dist/jsonql-client.static.js.map
@@ -1 +1 @@
-{"version":3,"file":"jsonql-client.static.js","sources":["../node_modules/store/plugins/defaults.js","../node_modules/store/plugins/expire.js"],"sourcesContent":["module.exports = defaultsPlugin\n\nfunction defaultsPlugin() {\n\tvar defaultValues = {}\n\t\n\treturn {\n\t\tdefaults: defaults,\n\t\tget: get\n\t}\n\t\n\tfunction defaults(_, values) {\n\t\tdefaultValues = values\n\t}\n\t\n\tfunction get(super_fn, key) {\n\t\tvar val = super_fn()\n\t\treturn (val !== undefined ? val : defaultValues[key])\n\t}\n}\n","var namespace = 'expire_mixin'\n\nmodule.exports = expirePlugin\n\nfunction expirePlugin() {\n\tvar expirations = this.createStore(this.storage, null, this._namespacePrefix+namespace)\n\t\n\treturn {\n\t\tset: expire_set,\n\t\tget: expire_get,\n\t\tremove: expire_remove,\n\t\tgetExpiration: getExpiration,\n\t\tremoveExpiredKeys: removeExpiredKeys\n\t}\n\t\n\tfunction expire_set(super_fn, key, val, expiration) {\n\t\tif (!this.hasNamespace(namespace)) {\n\t\t\texpirations.set(key, expiration)\n\t\t}\n\t\treturn super_fn()\n\t}\n\t\n\tfunction expire_get(super_fn, key) {\n\t\tif (!this.hasNamespace(namespace)) {\n\t\t\t_checkExpiration.call(this, key)\n\t\t}\n\t\treturn super_fn()\n\t}\n\t\n\tfunction expire_remove(super_fn, key) {\n\t\tif (!this.hasNamespace(namespace)) {\n\t\t\texpirations.remove(key)\n\t\t}\n\t\treturn super_fn()\n\t}\n\t\n\tfunction getExpiration(_, key) {\n\t\treturn expirations.get(key)\n\t}\n\t\n\tfunction removeExpiredKeys(_) {\n\t\tvar keys = []\n\t\tthis.each(function(val, key) {\n\t\t\tkeys.push(key)\n\t\t})\n\t\tfor (var i=0; i<keys.length; i++) {\n\t\t\t_checkExpiration.call(this, keys[i])\n\t\t}\n\t}\n\t\n\tfunction _checkExpiration(key) {\n\t\tvar expiration = expirations.get(key, Number.MAX_VALUE)\n\t\tif (expiration <= new Date().getTime()) {\n\t\t\tthis.raw.remove(key)\n\t\t\texpirations.remove(key)\n\t\t}\n\t}\n\t\n}\n"],"names":[],"mappings":"q0iDAAA,sHCAA"}
\ No newline at end of file
+{"version":3,"file":"jsonql-client.static.js","sources":["../node_modules/jsonql-errors/src/500-error.js","../node_modules/jsonql-errors/src/resolver-not-found-error.js","../node_modules/jsonql-errors/src/enum-error.js","../node_modules/jsonql-errors/src/type-error.js","../node_modules/jsonql-errors/src/checker-error.js","../node_modules/jsonql-errors/src/validation-error.js","../node_modules/jsonql-errors/src/server-error.js","../node_modules/jsonql-errors/src/index.js","../node_modules/jsonql-errors/src/client-errors-handler.js","../node_modules/lodash-es/isNull.js","../node_modules/rollup-plugin-node-globals/src/global.js","../node_modules/lodash-es/_arrayMap.js","../node_modules/lodash-es/isArray.js","../node_modules/lodash-es/_objectToString.js","../node_modules/lodash-es/isObjectLike.js","../node_modules/lodash-es/_baseSlice.js","../node_modules/lodash-es/_baseFindIndex.js","../node_modules/lodash-es/_baseIsNaN.js","../node_modules/lodash-es/_strictIndexOf.js","../node_modules/lodash-es/_asciiToArray.js","../node_modules/lodash-es/_hasUnicode.js","../node_modules/lodash-es/_unicodeToArray.js","../node_modules/lodash-es/isUndefined.js","../node_modules/lodash-es/_overArg.js","../node_modules/lodash-es/_arrayFilter.js","../node_modules/lodash-es/_createBaseFor.js","../node_modules/lodash-es/_baseTimes.js","../node_modules/lodash-es/stubFalse.js","../node_modules/lodash-es/_isIndex.js","../node_modules/lodash-es/isLength.js","../node_modules/lodash-es/_baseUnary.js","../node_modules/lodash-es/_isPrototype.js","../node_modules/lodash-es/isObject.js","../node_modules/lodash-es/_listCacheClear.js","../node_modules/lodash-es/eq.js","../node_modules/lodash-es/_stackDelete.js","../node_modules/lodash-es/_stackGet.js","../node_modules/lodash-es/_stackHas.js","../node_modules/lodash-es/_toSource.js","../node_modules/lodash-es/_getValue.js","../node_modules/lodash-es/_hashDelete.js","../node_modules/lodash-es/_isKeyable.js","../node_modules/lodash-es/_setCacheAdd.js","../node_modules/lodash-es/_setCacheHas.js","../node_modules/lodash-es/_arraySome.js","../node_modules/lodash-es/_cacheHas.js","../node_modules/lodash-es/_mapToArray.js","../node_modules/lodash-es/_setToArray.js","../node_modules/lodash-es/_arrayPush.js","../node_modules/lodash-es/stubArray.js","../node_modules/lodash-es/_matchesStrictComparable.js","../node_modules/lodash-es/_baseHasIn.js","../node_modules/lodash-es/identity.js","../node_modules/lodash-es/_baseProperty.js","../node_modules/lodash-es/_copyArray.js","../node_modules/lodash-es/_safeGet.js","../node_modules/lodash-es/_nativeKeysIn.js","../node_modules/lodash-es/_apply.js","../node_modules/lodash-es/constant.js","../node_modules/lodash-es/_shortOut.js","../node_modules/lodash-es/negate.js","../node_modules/lodash-es/_baseFindKey.js","../node_modules/jsonql-params-validator/src/not-empty.js","../node_modules/jsonql-params-validator/src/number.js","../node_modules/jsonql-params-validator/src/string.js","../node_modules/jsonql-params-validator/src/boolean.js","../node_modules/jsonql-params-validator/src/any.js","../node_modules/jsonql-params-validator/src/constants.js","../node_modules/jsonql-params-validator/src/combine.js","../node_modules/jsonql-params-validator/src/array.js","../node_modules/jsonql-params-validator/src/object.js","../node_modules/jsonql-params-validator/src/log.js","../node_modules/jsonql-params-validator/src/validator.js","../node_modules/jsonql-params-validator/src/is-in-array.js","../node_modules/jsonql-params-validator/src/options/run-validation.js","../node_modules/jsonql-params-validator/src/options/check-options-sync.js","../node_modules/jsonql-params-validator/src/options/construct-config.js","../node_modules/jsonql-params-validator/src/options/index.js","../node_modules/jsonql-params-validator/index.js","../node_modules/jsonql-utils/src/generic.js","../src/core/methods-generator.js","../src/utils.js","../src/core/jsonql-static-generator.js","../node_modules/store/plugins/defaults.js","../node_modules/store/plugins/expire.js","../src/stores/local-store.js","../src/stores/session-store.js","../src/stores/index.js","../node_modules/jwt-decode/lib/atob.js","../node_modules/jsonql-jwt/src/client/decode-token/decode-token.js","../src/base/http-cls.js","../src/base/contract-cls.js","../src/base/auth-cls.js","../src/base/base-cls.js","../src/base/index.js","../src/options/base-options.js","../src/options/check-options.js","../src/options/index.js","../node_modules/nb-event-service/src/hash-code.js","../node_modules/nb-event-service/src/suspend.js","../node_modules/nb-event-service/src/store-service.js","../node_modules/nb-event-service/src/event-service.js","../node_modules/nb-event-service/index.js","../src/ee.js","../src/static.js","../src/static-full.js"],"sourcesContent":["/**\n * This is a custom error to throw when server throw a 500\n * This help us to capture the right error, due to the call happens in sequence\n * @param {string} message to tell what happen\n * @param {mixed} extra things we want to add, 500?\n */\nexport default class Jsonql500Error extends Error {\n  constructor(...args) {\n    super(...args);\n\n    this.message = args[0];\n    this.detail = args[1];\n\n    this.className = Jsonql500Error.name;\n\n    if (Error.captureStackTrace) {\n      Error.captureStackTrace(this, Jsonql500Error);\n    }\n  }\n\n  static get statusCode() {\n    return 500;\n  }\n\n  static get name() {\n    return 'Jsonql500Error';\n  }\n\n}\n","/**\n * This is a custom error to throw when could not find the resolver\n * This help us to capture the right error, due to the call happens in sequence\n * @param {string} message to tell what happen\n * @param {mixed} extra things we want to add, 500?\n */\nexport default class JsonqlResolverNotFoundError extends Error {\n  constructor(...args) {\n    super(...args);\n\n    this.message = args[0];\n    this.detail = args[1];\n\n    this.className = JsonqlResolverNotFoundError.name;\n\n    if (Error.captureStackTrace) {\n      Error.captureStackTrace(this, JsonqlResolverNotFoundError);\n    }\n  }\n\n  static get statusCode() {\n    return 404;\n  }\n\n  static get name() {\n    return 'JsonqlResolverNotFoundError';\n  }\n}\n","// this get throw from within the checkOptions when run through the enum failed\nexport default class JsonqlEnumError extends Error {\n  constructor(...args) {\n    super(...args);\n    \n    this.message = args[0];\n    this.detail = args[1];\n\n    this.className = JsonqlEnumError.name;\n\n    if (Error.captureStackTrace) {\n      Error.captureStackTrace(this, JsonqlEnumError);\n    }\n  }\n\n  static get name() {\n    return 'JsonqlEnumError';\n  }\n}\n","// this will throw from inside the checkOptions\nexport default class JsonqlTypeError extends Error {\n  constructor(...args) {\n    super(...args);\n\n    this.message = args[0];\n    this.detail = args[1];\n\n    this.className = JsonqlTypeError.name;\n\n    if (Error.captureStackTrace) {\n      Error.captureStackTrace(this, JsonqlTypeError);\n    }\n  }\n\n  static get name() {\n    return 'JsonqlTypeError';\n  }\n}\n","// allow supply a custom checker function\n// if that failed then we throw this error\nexport default class JsonqlCheckerError extends Error {\n  constructor(...args) {\n    super(...args);\n    this.message = args[0];\n    this.detail = args[1];\n\n    this.className = JsonqlCheckerError.name;\n\n    if (Error.captureStackTrace) {\n      Error.captureStackTrace(this, JsonqlCheckerError);\n    }\n  }\n\n  static get name() {\n    return 'JsonqlCheckerError';\n  }\n}\n","// custom validation error class\n// when validaton failed\nexport default class JsonqlValidationError extends Error {\n  constructor(...args) {\n    super(...args);\n\n    this.message = args[0];\n    this.detail = args[1];\n\n    this.className = JsonqlValidationError.name;\n\n    if (Error.captureStackTrace) {\n      Error.captureStackTrace(this, JsonqlValidationError);\n    }\n  }\n\n  static get name() {\n    return 'JsonqlValidationError';\n  }\n}\n","// this is from an example from Koa team to use for internal middleware ctx.throw\n// but after the test the res.body part is unable to extract the required data\n// I keep this one here for future reference\n\nexport default class JsonqlServerError extends Error {\n\n  constructor(statusCode, message) {\n    super(message);\n    this.statusCode = statusCode;\n    this.className = JsonqlServerError.name;\n  }\n\n  static get name() {\n    return 'JsonqlServerError';\n  }\n}\n","// server side\nimport Jsonql406Error from './406-error';\nimport Jsonql500Error from './500-error';\nimport JsonqlAuthorisationError from './authorisation-error';\nimport JsonqlContractAuthError from './contract-auth-error';\nimport JsonqlResolverAppError from './resolver-app-error';\nimport JsonqlResolverNotFoundError from './resolver-not-found-error';\n\n// check options error\nimport JsonqlEnumError from './enum-error';\nimport JsonqlTypeError from './type-error';\nimport JsonqlCheckerError from './checker-error';\n// share\nimport JsonqlValidationError from './validation-error';\nimport JsonqlError from './error';\n\nimport JsonqlServerError from './server-error';\n\nexport {\n  Jsonql406Error,\n  Jsonql500Error,\n  JsonqlAuthorisationError,\n  JsonqlContractAuthError,\n  JsonqlResolverAppError,\n  JsonqlResolverNotFoundError,\n\n  JsonqlEnumError,\n  JsonqlTypeError,\n  JsonqlCheckerError,\n\n  JsonqlValidationError,\n  JsonqlError,\n\n  JsonqlServerError\n};\n","// this will add directly to the then call in each http call\n\nimport * as errors from './index';\nimport getErrorByStatus from './get-error-by-status';\nimport { NO_ERROR_MSG } from 'jsonql-constants';\nconst { JsonqlError } = errors;\n\n/**\n * We can not just check something like result.data what if the result if false?\n * @param {object} obj the result object\n * @param {string} key we want to check if its exist or not\n * @return {boolean} true on found\n */\nconst isObjectHasKey = (obj, key) => {\n  const keys = Object.keys(obj)\n  return !!keys.filter(k => key === k).length;\n}\n\n/**\n * It will ONLY have our own jsonql specific implement check\n * @param {object} result the server return result\n * @return {object} this will just throw error\n */\nexport default function clientErrorsHandler(result) {\n  if (isObjectHasKey(result, 'error')) {\n    const { error } = result;\n    const { className, name } = error;\n    const errorName = className || name;\n    // just throw the whole thing back\n    const msg = error.message || NO_ERROR_MSG;\n    const detail = error.detail || error;\n    if (errorName && errors[errorName]) {\n      throw new errors[className](msg, detail)\n    }\n    throw new JsonqlError(msg, detail)\n  }\n  // pass through to the next\n  return result;\n}\n","/**\n * Checks if `value` is `null`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is `null`, else `false`.\n * @example\n *\n * _.isNull(null);\n * // => true\n *\n * _.isNull(void 0);\n * // => false\n */\nfunction isNull(value) {\n  return value === null;\n}\n\nexport default isNull;\n","export default (typeof global !== \"undefined\" ? global :\n            typeof self !== \"undefined\" ? self :\n            typeof window !== \"undefined\" ? window : {});\n","/**\n * A specialized version of `_.map` for arrays without support for iteratee\n * shorthands.\n *\n * @private\n * @param {Array} [array] The array to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {Array} Returns the new mapped array.\n */\nfunction arrayMap(array, iteratee) {\n  var index = -1,\n      length = array == null ? 0 : array.length,\n      result = Array(length);\n\n  while (++index < length) {\n    result[index] = iteratee(array[index], index, array);\n  }\n  return result;\n}\n\nexport default arrayMap;\n","/**\n * Checks if `value` is classified as an `Array` object.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an array, else `false`.\n * @example\n *\n * _.isArray([1, 2, 3]);\n * // => true\n *\n * _.isArray(document.body.children);\n * // => false\n *\n * _.isArray('abc');\n * // => false\n *\n * _.isArray(_.noop);\n * // => false\n */\nvar isArray = Array.isArray;\n\nexport default isArray;\n","/** Used for built-in method references. */\nvar objectProto = Object.prototype;\n\n/**\n * Used to resolve the\n * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)\n * of values.\n */\nvar nativeObjectToString = objectProto.toString;\n\n/**\n * Converts `value` to a string using `Object.prototype.toString`.\n *\n * @private\n * @param {*} value The value to convert.\n * @returns {string} Returns the converted string.\n */\nfunction objectToString(value) {\n  return nativeObjectToString.call(value);\n}\n\nexport default objectToString;\n","/**\n * Checks if `value` is object-like. A value is object-like if it's not `null`\n * and has a `typeof` result of \"object\".\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is object-like, else `false`.\n * @example\n *\n * _.isObjectLike({});\n * // => true\n *\n * _.isObjectLike([1, 2, 3]);\n * // => true\n *\n * _.isObjectLike(_.noop);\n * // => false\n *\n * _.isObjectLike(null);\n * // => false\n */\nfunction isObjectLike(value) {\n  return value != null && typeof value == 'object';\n}\n\nexport default isObjectLike;\n","/**\n * The base implementation of `_.slice` without an iteratee call guard.\n *\n * @private\n * @param {Array} array The array to slice.\n * @param {number} [start=0] The start position.\n * @param {number} [end=array.length] The end position.\n * @returns {Array} Returns the slice of `array`.\n */\nfunction baseSlice(array, start, end) {\n  var index = -1,\n      length = array.length;\n\n  if (start < 0) {\n    start = -start > length ? 0 : (length + start);\n  }\n  end = end > length ? length : end;\n  if (end < 0) {\n    end += length;\n  }\n  length = start > end ? 0 : ((end - start) >>> 0);\n  start >>>= 0;\n\n  var result = Array(length);\n  while (++index < length) {\n    result[index] = array[index + start];\n  }\n  return result;\n}\n\nexport default baseSlice;\n","/**\n * The base implementation of `_.findIndex` and `_.findLastIndex` without\n * support for iteratee shorthands.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {Function} predicate The function invoked per iteration.\n * @param {number} fromIndex The index to search from.\n * @param {boolean} [fromRight] Specify iterating from right to left.\n * @returns {number} Returns the index of the matched value, else `-1`.\n */\nfunction baseFindIndex(array, predicate, fromIndex, fromRight) {\n  var length = array.length,\n      index = fromIndex + (fromRight ? 1 : -1);\n\n  while ((fromRight ? index-- : ++index < length)) {\n    if (predicate(array[index], index, array)) {\n      return index;\n    }\n  }\n  return -1;\n}\n\nexport default baseFindIndex;\n","/**\n * The base implementation of `_.isNaN` without support for number objects.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.\n */\nfunction baseIsNaN(value) {\n  return value !== value;\n}\n\nexport default baseIsNaN;\n","/**\n * A specialized version of `_.indexOf` which performs strict equality\n * comparisons of values, i.e. `===`.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {*} value The value to search for.\n * @param {number} fromIndex The index to search from.\n * @returns {number} Returns the index of the matched value, else `-1`.\n */\nfunction strictIndexOf(array, value, fromIndex) {\n  var index = fromIndex - 1,\n      length = array.length;\n\n  while (++index < length) {\n    if (array[index] === value) {\n      return index;\n    }\n  }\n  return -1;\n}\n\nexport default strictIndexOf;\n","/**\n * Converts an ASCII `string` to an array.\n *\n * @private\n * @param {string} string The string to convert.\n * @returns {Array} Returns the converted array.\n */\nfunction asciiToArray(string) {\n  return string.split('');\n}\n\nexport default asciiToArray;\n","/** Used to compose unicode character classes. */\nvar rsAstralRange = '\\\\ud800-\\\\udfff',\n    rsComboMarksRange = '\\\\u0300-\\\\u036f',\n    reComboHalfMarksRange = '\\\\ufe20-\\\\ufe2f',\n    rsComboSymbolsRange = '\\\\u20d0-\\\\u20ff',\n    rsComboRange = rsComboMarksRange + reComboHalfMarksRange + rsComboSymbolsRange,\n    rsVarRange = '\\\\ufe0e\\\\ufe0f';\n\n/** Used to compose unicode capture groups. */\nvar rsZWJ = '\\\\u200d';\n\n/** Used to detect strings with [zero-width joiners or code points from the astral planes](http://eev.ee/blog/2015/09/12/dark-corners-of-unicode/). */\nvar reHasUnicode = RegExp('[' + rsZWJ + rsAstralRange  + rsComboRange + rsVarRange + ']');\n\n/**\n * Checks if `string` contains Unicode symbols.\n *\n * @private\n * @param {string} string The string to inspect.\n * @returns {boolean} Returns `true` if a symbol is found, else `false`.\n */\nfunction hasUnicode(string) {\n  return reHasUnicode.test(string);\n}\n\nexport default hasUnicode;\n","/** Used to compose unicode character classes. */\nvar rsAstralRange = '\\\\ud800-\\\\udfff',\n    rsComboMarksRange = '\\\\u0300-\\\\u036f',\n    reComboHalfMarksRange = '\\\\ufe20-\\\\ufe2f',\n    rsComboSymbolsRange = '\\\\u20d0-\\\\u20ff',\n    rsComboRange = rsComboMarksRange + reComboHalfMarksRange + rsComboSymbolsRange,\n    rsVarRange = '\\\\ufe0e\\\\ufe0f';\n\n/** Used to compose unicode capture groups. */\nvar rsAstral = '[' + rsAstralRange + ']',\n    rsCombo = '[' + rsComboRange + ']',\n    rsFitz = '\\\\ud83c[\\\\udffb-\\\\udfff]',\n    rsModifier = '(?:' + rsCombo + '|' + rsFitz + ')',\n    rsNonAstral = '[^' + rsAstralRange + ']',\n    rsRegional = '(?:\\\\ud83c[\\\\udde6-\\\\uddff]){2}',\n    rsSurrPair = '[\\\\ud800-\\\\udbff][\\\\udc00-\\\\udfff]',\n    rsZWJ = '\\\\u200d';\n\n/** Used to compose unicode regexes. */\nvar reOptMod = rsModifier + '?',\n    rsOptVar = '[' + rsVarRange + ']?',\n    rsOptJoin = '(?:' + rsZWJ + '(?:' + [rsNonAstral, rsRegional, rsSurrPair].join('|') + ')' + rsOptVar + reOptMod + ')*',\n    rsSeq = rsOptVar + reOptMod + rsOptJoin,\n    rsSymbol = '(?:' + [rsNonAstral + rsCombo + '?', rsCombo, rsRegional, rsSurrPair, rsAstral].join('|') + ')';\n\n/** Used to match [string symbols](https://mathiasbynens.be/notes/javascript-unicode). */\nvar reUnicode = RegExp(rsFitz + '(?=' + rsFitz + ')|' + rsSymbol + rsSeq, 'g');\n\n/**\n * Converts a Unicode `string` to an array.\n *\n * @private\n * @param {string} string The string to convert.\n * @returns {Array} Returns the converted array.\n */\nfunction unicodeToArray(string) {\n  return string.match(reUnicode) || [];\n}\n\nexport default unicodeToArray;\n","/**\n * Checks if `value` is `undefined`.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is `undefined`, else `false`.\n * @example\n *\n * _.isUndefined(void 0);\n * // => true\n *\n * _.isUndefined(null);\n * // => false\n */\nfunction isUndefined(value) {\n  return value === undefined;\n}\n\nexport default isUndefined;\n","/**\n * Creates a unary function that invokes `func` with its argument transformed.\n *\n * @private\n * @param {Function} func The function to wrap.\n * @param {Function} transform The argument transform.\n * @returns {Function} Returns the new function.\n */\nfunction overArg(func, transform) {\n  return function(arg) {\n    return func(transform(arg));\n  };\n}\n\nexport default overArg;\n","/**\n * A specialized version of `_.filter` for arrays without support for\n * iteratee shorthands.\n *\n * @private\n * @param {Array} [array] The array to iterate over.\n * @param {Function} predicate The function invoked per iteration.\n * @returns {Array} Returns the new filtered array.\n */\nfunction arrayFilter(array, predicate) {\n  var index = -1,\n      length = array == null ? 0 : array.length,\n      resIndex = 0,\n      result = [];\n\n  while (++index < length) {\n    var value = array[index];\n    if (predicate(value, index, array)) {\n      result[resIndex++] = value;\n    }\n  }\n  return result;\n}\n\nexport default arrayFilter;\n","/**\n * Creates a base function for methods like `_.forIn` and `_.forOwn`.\n *\n * @private\n * @param {boolean} [fromRight] Specify iterating from right to left.\n * @returns {Function} Returns the new base function.\n */\nfunction createBaseFor(fromRight) {\n  return function(object, iteratee, keysFunc) {\n    var index = -1,\n        iterable = Object(object),\n        props = keysFunc(object),\n        length = props.length;\n\n    while (length--) {\n      var key = props[fromRight ? length : ++index];\n      if (iteratee(iterable[key], key, iterable) === false) {\n        break;\n      }\n    }\n    return object;\n  };\n}\n\nexport default createBaseFor;\n","/**\n * The base implementation of `_.times` without support for iteratee shorthands\n * or max array length checks.\n *\n * @private\n * @param {number} n The number of times to invoke `iteratee`.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {Array} Returns the array of results.\n */\nfunction baseTimes(n, iteratee) {\n  var index = -1,\n      result = Array(n);\n\n  while (++index < n) {\n    result[index] = iteratee(index);\n  }\n  return result;\n}\n\nexport default baseTimes;\n","/**\n * This method returns `false`.\n *\n * @static\n * @memberOf _\n * @since 4.13.0\n * @category Util\n * @returns {boolean} Returns `false`.\n * @example\n *\n * _.times(2, _.stubFalse);\n * // => [false, false]\n */\nfunction stubFalse() {\n  return false;\n}\n\nexport default stubFalse;\n","/** Used as references for various `Number` constants. */\nvar MAX_SAFE_INTEGER = 9007199254740991;\n\n/** Used to detect unsigned integer values. */\nvar reIsUint = /^(?:0|[1-9]\\d*)$/;\n\n/**\n * Checks if `value` is a valid array-like index.\n *\n * @private\n * @param {*} value The value to check.\n * @param {number} [length=MAX_SAFE_INTEGER] The upper bounds of a valid index.\n * @returns {boolean} Returns `true` if `value` is a valid index, else `false`.\n */\nfunction isIndex(value, length) {\n  var type = typeof value;\n  length = length == null ? MAX_SAFE_INTEGER : length;\n\n  return !!length &&\n    (type == 'number' ||\n      (type != 'symbol' && reIsUint.test(value))) &&\n        (value > -1 && value % 1 == 0 && value < length);\n}\n\nexport default isIndex;\n","/** Used as references for various `Number` constants. */\nvar MAX_SAFE_INTEGER = 9007199254740991;\n\n/**\n * Checks if `value` is a valid array-like length.\n *\n * **Note:** This method is loosely based on\n * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a valid length, else `false`.\n * @example\n *\n * _.isLength(3);\n * // => true\n *\n * _.isLength(Number.MIN_VALUE);\n * // => false\n *\n * _.isLength(Infinity);\n * // => false\n *\n * _.isLength('3');\n * // => false\n */\nfunction isLength(value) {\n  return typeof value == 'number' &&\n    value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER;\n}\n\nexport default isLength;\n","/**\n * The base implementation of `_.unary` without support for storing metadata.\n *\n * @private\n * @param {Function} func The function to cap arguments for.\n * @returns {Function} Returns the new capped function.\n */\nfunction baseUnary(func) {\n  return function(value) {\n    return func(value);\n  };\n}\n\nexport default baseUnary;\n","/** Used for built-in method references. */\nvar objectProto = Object.prototype;\n\n/**\n * Checks if `value` is likely a prototype object.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a prototype, else `false`.\n */\nfunction isPrototype(value) {\n  var Ctor = value && value.constructor,\n      proto = (typeof Ctor == 'function' && Ctor.prototype) || objectProto;\n\n  return value === proto;\n}\n\nexport default isPrototype;\n","/**\n * Checks if `value` is the\n * [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types)\n * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an object, else `false`.\n * @example\n *\n * _.isObject({});\n * // => true\n *\n * _.isObject([1, 2, 3]);\n * // => true\n *\n * _.isObject(_.noop);\n * // => true\n *\n * _.isObject(null);\n * // => false\n */\nfunction isObject(value) {\n  var type = typeof value;\n  return value != null && (type == 'object' || type == 'function');\n}\n\nexport default isObject;\n","/**\n * Removes all key-value entries from the list cache.\n *\n * @private\n * @name clear\n * @memberOf ListCache\n */\nfunction listCacheClear() {\n  this.__data__ = [];\n  this.size = 0;\n}\n\nexport default listCacheClear;\n","/**\n * Performs a\n * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n * comparison between two values to determine if they are equivalent.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n * @example\n *\n * var object = { 'a': 1 };\n * var other = { 'a': 1 };\n *\n * _.eq(object, object);\n * // => true\n *\n * _.eq(object, other);\n * // => false\n *\n * _.eq('a', 'a');\n * // => true\n *\n * _.eq('a', Object('a'));\n * // => false\n *\n * _.eq(NaN, NaN);\n * // => true\n */\nfunction eq(value, other) {\n  return value === other || (value !== value && other !== other);\n}\n\nexport default eq;\n","/**\n * Removes `key` and its value from the stack.\n *\n * @private\n * @name delete\n * @memberOf Stack\n * @param {string} key The key of the value to remove.\n * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n */\nfunction stackDelete(key) {\n  var data = this.__data__,\n      result = data['delete'](key);\n\n  this.size = data.size;\n  return result;\n}\n\nexport default stackDelete;\n","/**\n * Gets the stack value for `key`.\n *\n * @private\n * @name get\n * @memberOf Stack\n * @param {string} key The key of the value to get.\n * @returns {*} Returns the entry value.\n */\nfunction stackGet(key) {\n  return this.__data__.get(key);\n}\n\nexport default stackGet;\n","/**\n * Checks if a stack value for `key` exists.\n *\n * @private\n * @name has\n * @memberOf Stack\n * @param {string} key The key of the entry to check.\n * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n */\nfunction stackHas(key) {\n  return this.__data__.has(key);\n}\n\nexport default stackHas;\n","/** Used for built-in method references. */\nvar funcProto = Function.prototype;\n\n/** Used to resolve the decompiled source of functions. */\nvar funcToString = funcProto.toString;\n\n/**\n * Converts `func` to its source code.\n *\n * @private\n * @param {Function} func The function to convert.\n * @returns {string} Returns the source code.\n */\nfunction toSource(func) {\n  if (func != null) {\n    try {\n      return funcToString.call(func);\n    } catch (e) {}\n    try {\n      return (func + '');\n    } catch (e) {}\n  }\n  return '';\n}\n\nexport default toSource;\n","/**\n * Gets the value at `key` of `object`.\n *\n * @private\n * @param {Object} [object] The object to query.\n * @param {string} key The key of the property to get.\n * @returns {*} Returns the property value.\n */\nfunction getValue(object, key) {\n  return object == null ? undefined : object[key];\n}\n\nexport default getValue;\n","/**\n * Removes `key` and its value from the hash.\n *\n * @private\n * @name delete\n * @memberOf Hash\n * @param {Object} hash The hash to modify.\n * @param {string} key The key of the value to remove.\n * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n */\nfunction hashDelete(key) {\n  var result = this.has(key) && delete this.__data__[key];\n  this.size -= result ? 1 : 0;\n  return result;\n}\n\nexport default hashDelete;\n","/**\n * Checks if `value` is suitable for use as unique object key.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is suitable, else `false`.\n */\nfunction isKeyable(value) {\n  var type = typeof value;\n  return (type == 'string' || type == 'number' || type == 'symbol' || type == 'boolean')\n    ? (value !== '__proto__')\n    : (value === null);\n}\n\nexport default isKeyable;\n","/** Used to stand-in for `undefined` hash values. */\nvar HASH_UNDEFINED = '__lodash_hash_undefined__';\n\n/**\n * Adds `value` to the array cache.\n *\n * @private\n * @name add\n * @memberOf SetCache\n * @alias push\n * @param {*} value The value to cache.\n * @returns {Object} Returns the cache instance.\n */\nfunction setCacheAdd(value) {\n  this.__data__.set(value, HASH_UNDEFINED);\n  return this;\n}\n\nexport default setCacheAdd;\n","/**\n * Checks if `value` is in the array cache.\n *\n * @private\n * @name has\n * @memberOf SetCache\n * @param {*} value The value to search for.\n * @returns {number} Returns `true` if `value` is found, else `false`.\n */\nfunction setCacheHas(value) {\n  return this.__data__.has(value);\n}\n\nexport default setCacheHas;\n","/**\n * A specialized version of `_.some` for arrays without support for iteratee\n * shorthands.\n *\n * @private\n * @param {Array} [array] The array to iterate over.\n * @param {Function} predicate The function invoked per iteration.\n * @returns {boolean} Returns `true` if any element passes the predicate check,\n *  else `false`.\n */\nfunction arraySome(array, predicate) {\n  var index = -1,\n      length = array == null ? 0 : array.length;\n\n  while (++index < length) {\n    if (predicate(array[index], index, array)) {\n      return true;\n    }\n  }\n  return false;\n}\n\nexport default arraySome;\n","/**\n * Checks if a `cache` value for `key` exists.\n *\n * @private\n * @param {Object} cache The cache to query.\n * @param {string} key The key of the entry to check.\n * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n */\nfunction cacheHas(cache, key) {\n  return cache.has(key);\n}\n\nexport default cacheHas;\n","/**\n * Converts `map` to its key-value pairs.\n *\n * @private\n * @param {Object} map The map to convert.\n * @returns {Array} Returns the key-value pairs.\n */\nfunction mapToArray(map) {\n  var index = -1,\n      result = Array(map.size);\n\n  map.forEach(function(value, key) {\n    result[++index] = [key, value];\n  });\n  return result;\n}\n\nexport default mapToArray;\n","/**\n * Converts `set` to an array of its values.\n *\n * @private\n * @param {Object} set The set to convert.\n * @returns {Array} Returns the values.\n */\nfunction setToArray(set) {\n  var index = -1,\n      result = Array(set.size);\n\n  set.forEach(function(value) {\n    result[++index] = value;\n  });\n  return result;\n}\n\nexport default setToArray;\n","/**\n * Appends the elements of `values` to `array`.\n *\n * @private\n * @param {Array} array The array to modify.\n * @param {Array} values The values to append.\n * @returns {Array} Returns `array`.\n */\nfunction arrayPush(array, values) {\n  var index = -1,\n      length = values.length,\n      offset = array.length;\n\n  while (++index < length) {\n    array[offset + index] = values[index];\n  }\n  return array;\n}\n\nexport default arrayPush;\n","/**\n * This method returns a new empty array.\n *\n * @static\n * @memberOf _\n * @since 4.13.0\n * @category Util\n * @returns {Array} Returns the new empty array.\n * @example\n *\n * var arrays = _.times(2, _.stubArray);\n *\n * console.log(arrays);\n * // => [[], []]\n *\n * console.log(arrays[0] === arrays[1]);\n * // => false\n */\nfunction stubArray() {\n  return [];\n}\n\nexport default stubArray;\n","/**\n * A specialized version of `matchesProperty` for source values suitable\n * for strict equality comparisons, i.e. `===`.\n *\n * @private\n * @param {string} key The key of the property to get.\n * @param {*} srcValue The value to match.\n * @returns {Function} Returns the new spec function.\n */\nfunction matchesStrictComparable(key, srcValue) {\n  return function(object) {\n    if (object == null) {\n      return false;\n    }\n    return object[key] === srcValue &&\n      (srcValue !== undefined || (key in Object(object)));\n  };\n}\n\nexport default matchesStrictComparable;\n","/**\n * The base implementation of `_.hasIn` without support for deep paths.\n *\n * @private\n * @param {Object} [object] The object to query.\n * @param {Array|string} key The key to check.\n * @returns {boolean} Returns `true` if `key` exists, else `false`.\n */\nfunction baseHasIn(object, key) {\n  return object != null && key in Object(object);\n}\n\nexport default baseHasIn;\n","/**\n * This method returns the first argument it receives.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Util\n * @param {*} value Any value.\n * @returns {*} Returns `value`.\n * @example\n *\n * var object = { 'a': 1 };\n *\n * console.log(_.identity(object) === object);\n * // => true\n */\nfunction identity(value) {\n  return value;\n}\n\nexport default identity;\n","/**\n * The base implementation of `_.property` without support for deep paths.\n *\n * @private\n * @param {string} key The key of the property to get.\n * @returns {Function} Returns the new accessor function.\n */\nfunction baseProperty(key) {\n  return function(object) {\n    return object == null ? undefined : object[key];\n  };\n}\n\nexport default baseProperty;\n","/**\n * Copies the values of `source` to `array`.\n *\n * @private\n * @param {Array} source The array to copy values from.\n * @param {Array} [array=[]] The array to copy values to.\n * @returns {Array} Returns `array`.\n */\nfunction copyArray(source, array) {\n  var index = -1,\n      length = source.length;\n\n  array || (array = Array(length));\n  while (++index < length) {\n    array[index] = source[index];\n  }\n  return array;\n}\n\nexport default copyArray;\n","/**\n * Gets the value at `key`, unless `key` is \"__proto__\" or \"constructor\".\n *\n * @private\n * @param {Object} object The object to query.\n * @param {string} key The key of the property to get.\n * @returns {*} Returns the property value.\n */\nfunction safeGet(object, key) {\n  if (key === 'constructor' && typeof object[key] === 'function') {\n    return;\n  }\n\n  if (key == '__proto__') {\n    return;\n  }\n\n  return object[key];\n}\n\nexport default safeGet;\n","/**\n * This function is like\n * [`Object.keys`](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)\n * except that it includes inherited enumerable properties.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property names.\n */\nfunction nativeKeysIn(object) {\n  var result = [];\n  if (object != null) {\n    for (var key in Object(object)) {\n      result.push(key);\n    }\n  }\n  return result;\n}\n\nexport default nativeKeysIn;\n","/**\n * A faster alternative to `Function#apply`, this function invokes `func`\n * with the `this` binding of `thisArg` and the arguments of `args`.\n *\n * @private\n * @param {Function} func The function to invoke.\n * @param {*} thisArg The `this` binding of `func`.\n * @param {Array} args The arguments to invoke `func` with.\n * @returns {*} Returns the result of `func`.\n */\nfunction apply(func, thisArg, args) {\n  switch (args.length) {\n    case 0: return func.call(thisArg);\n    case 1: return func.call(thisArg, args[0]);\n    case 2: return func.call(thisArg, args[0], args[1]);\n    case 3: return func.call(thisArg, args[0], args[1], args[2]);\n  }\n  return func.apply(thisArg, args);\n}\n\nexport default apply;\n","/**\n * Creates a function that returns `value`.\n *\n * @static\n * @memberOf _\n * @since 2.4.0\n * @category Util\n * @param {*} value The value to return from the new function.\n * @returns {Function} Returns the new constant function.\n * @example\n *\n * var objects = _.times(2, _.constant({ 'a': 1 }));\n *\n * console.log(objects);\n * // => [{ 'a': 1 }, { 'a': 1 }]\n *\n * console.log(objects[0] === objects[1]);\n * // => true\n */\nfunction constant(value) {\n  return function() {\n    return value;\n  };\n}\n\nexport default constant;\n","/** Used to detect hot functions by number of calls within a span of milliseconds. */\nvar HOT_COUNT = 800,\n    HOT_SPAN = 16;\n\n/* Built-in method references for those with the same name as other `lodash` methods. */\nvar nativeNow = Date.now;\n\n/**\n * Creates a function that'll short out and invoke `identity` instead\n * of `func` when it's called `HOT_COUNT` or more times in `HOT_SPAN`\n * milliseconds.\n *\n * @private\n * @param {Function} func The function to restrict.\n * @returns {Function} Returns the new shortable function.\n */\nfunction shortOut(func) {\n  var count = 0,\n      lastCalled = 0;\n\n  return function() {\n    var stamp = nativeNow(),\n        remaining = HOT_SPAN - (stamp - lastCalled);\n\n    lastCalled = stamp;\n    if (remaining > 0) {\n      if (++count >= HOT_COUNT) {\n        return arguments[0];\n      }\n    } else {\n      count = 0;\n    }\n    return func.apply(undefined, arguments);\n  };\n}\n\nexport default shortOut;\n","/** Error message constants. */\nvar FUNC_ERROR_TEXT = 'Expected a function';\n\n/**\n * Creates a function that negates the result of the predicate `func`. The\n * `func` predicate is invoked with the `this` binding and arguments of the\n * created function.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Function\n * @param {Function} predicate The predicate to negate.\n * @returns {Function} Returns the new negated function.\n * @example\n *\n * function isEven(n) {\n *   return n % 2 == 0;\n * }\n *\n * _.filter([1, 2, 3, 4, 5, 6], _.negate(isEven));\n * // => [1, 3, 5]\n */\nfunction negate(predicate) {\n  if (typeof predicate != 'function') {\n    throw new TypeError(FUNC_ERROR_TEXT);\n  }\n  return function() {\n    var args = arguments;\n    switch (args.length) {\n      case 0: return !predicate.call(this);\n      case 1: return !predicate.call(this, args[0]);\n      case 2: return !predicate.call(this, args[0], args[1]);\n      case 3: return !predicate.call(this, args[0], args[1], args[2]);\n    }\n    return !predicate.apply(this, args);\n  };\n}\n\nexport default negate;\n","/**\n * The base implementation of methods like `_.findKey` and `_.findLastKey`,\n * without support for iteratee shorthands, which iterates over `collection`\n * using `eachFunc`.\n *\n * @private\n * @param {Array|Object} collection The collection to inspect.\n * @param {Function} predicate The function invoked per iteration.\n * @param {Function} eachFunc The function to iterate over `collection`.\n * @returns {*} Returns the found element or its key, else `undefined`.\n */\nfunction baseFindKey(collection, predicate, eachFunc) {\n  var result;\n  eachFunc(collection, function(value, key, collection) {\n    if (predicate(value, key, collection)) {\n      result = key;\n      return false;\n    }\n  });\n  return result;\n}\n\nexport default baseFindKey;\n","/**\n * Check several parameter that there is something in the param\n * @param {*} param input\n * @return {boolean}\n */\nimport { trim, isArray } from './lodash'\n\nexport default a => {\n  if (isArray(a)) {\n    return true;\n  }\n  return a !== undefined && a !== null && trim(a) !== '';\n}\n","// validator numbers\n// import { NUMBER_TYPES } from './constants';\nimport { isNaN, isString } from './lodash'\n/**\n * @2015-05-04 found a problem if the value is a number like string\n * it will pass, so add a check if it's string before we pass to next\n * @param {number} value expected value\n * @return {boolean} true if OK\n */\nconst checkIsNumber = function(value) {\n  return isString(value) ? false : !isNaN( parseFloat(value) )\n}\n\nexport default checkIsNumber\n","// validate string type\nimport { isString, trim } from './lodash'\n/**\n * @param {string} value expected value\n * @return {boolean} true if OK\n */\nconst checkIsString = function(value) {\n  return (trim(value) !== '') ? isString(value) : false;\n}\n\nexport default checkIsString;\n","// check for boolean\nimport { isBoolean } from './lodash'\n/**\n * @param {boolean} value expected\n * @return {boolean} true if OK\n */\nconst checkIsBoolean = function(value) {\n  return isBoolean(value);\n};\n\nexport default checkIsBoolean\n","// validate any thing only check if there is something\n\nimport { isNull, trim, isUndefined } from './lodash'\n/**\n * @param {*} value the value\n * @param {boolean} [checkNull=true] strict check if there is null value\n * @return {boolean} true is OK\n */\nconst checkIsAny = function(value, checkNull = true) {\n  if (!isUndefined(value) && value !== '' && trim(value) !== '') {\n    if (checkNull === false || (checkNull === true && !isNull(value))) {\n      return true;\n    }\n  }\n  return false;\n};\n\nexport default checkIsAny\n","// Good practice rule - No magic number\n\nexport const ARGS_NOT_ARRAY_ERR = `args is not an array! You might want to do: ES6 Array.from(arguments) or ES5 Array.prototype.slice.call(arguments)`;\nexport const PARAMS_NOT_ARRAY_ERR = `params is not an array! Did something gone wrong when you generate the contract.json?`;\nexport const EXCEPTION_CASE_ERR = 'Could not understand your arguments and parameter structure!';\nexport const UNUSUAL_CASE_ERR = 'This is an unusual situation where the arguments are more than the params, but not mark as spread';\n\n// re-export\nimport * as JSONQL_CONSTANTS from 'jsonql-constants';\n// @TODO the jsdoc return array.<type> and we should also allow array<type> syntax\nexport const DEFAULT_TYPE = JSONQL_CONSTANTS.DEFAULT_TYPE;\nexport const ARRAY_TYPE_LFT = JSONQL_CONSTANTS.ARRAY_TYPE_LFT;\nexport const ARRAY_TYPE_RGT = JSONQL_CONSTANTS.ARRAY_TYPE_RGT;\n\nexport const TYPE_KEY = JSONQL_CONSTANTS.TYPE_KEY;\nexport const OPTIONAL_KEY = JSONQL_CONSTANTS.OPTIONAL_KEY;\nexport const ENUM_KEY = JSONQL_CONSTANTS.ENUM_KEY;\nexport const ARGS_KEY = JSONQL_CONSTANTS.ARGS_KEY;\nexport const CHECKER_KEY = JSONQL_CONSTANTS.CHECKER_KEY;\nexport const ALIAS_KEY = JSONQL_CONSTANTS.ALIAS_KEY;\n\nexport const ARRAY_TYPE = JSONQL_CONSTANTS.ARRAY_TYPE;\nexport const OBJECT_TYPE = JSONQL_CONSTANTS.OBJECT_TYPE;\nexport const STRING_TYPE = JSONQL_CONSTANTS.STRING_TYPE;\nexport const BOOLEAN_TYPE = JSONQL_CONSTANTS.BOOLEAN_TYPE;\nexport const NUMBER_TYPE = JSONQL_CONSTANTS.NUMBER_TYPE;\nexport const KEY_WORD = JSONQL_CONSTANTS.KEY_WORD;\nexport const OR_SEPERATOR = JSONQL_CONSTANTS.OR_SEPERATOR;\n\n// not actually in use\n// export const NUMBER_TYPES = JSONQL_CONSTANTS.NUMBER_TYPES;\n","// primitive types\nimport checkIsNumber from './number'\nimport checkIsString from './string'\nimport checkIsBoolean from './boolean'\nimport checkIsAny from './any'\nimport { NUMBER_TYPE, STRING_TYPE, BOOLEAN_TYPE } from './constants'\n\n/**\n * this is a wrapper method to call different one based on their type\n * @param {string} type to check\n * @return {function} a function to handle the type\n */\nconst combineFn = function(type) {\n  switch (type) {\n    case NUMBER_TYPE:\n      return checkIsNumber;\n    case STRING_TYPE:\n      return checkIsString;\n    case BOOLEAN_TYPE:\n      return checkIsBoolean;\n    default:\n      return checkIsAny;\n  }\n}\n\nexport default combineFn\n","// validate array type\nimport { isArray, trim } from './lodash'\nimport combineFn from './combine'\nimport {\n  ARRAY_TYPE_LFT,\n  ARRAY_TYPE_RGT,\n  OR_SEPERATOR\n} from './constants'\n\n/**\n * @param {array} value expected\n * @param {string} [type=''] pass the type if we encounter array.<T> then we need to check the value as well\n * @return {boolean} true if OK\n */\nexport const checkIsArray = function(value, type='') {\n  if (isArray(value)) {\n    if (type === '' || trim(type)==='') {\n      return true;\n    }\n    // we test it in reverse\n    // @TODO if the type is an array (OR) then what?\n    // we need to take into account this could be an array\n    const c = value.filter(v => !combineFn(type)(v))\n    return !(c.length > 0)\n  }\n  return false;\n}\n\n/**\n * check if it matches the array.<T> pattern\n * @param {string} type\n * @return {boolean|array} false means NO, always return array\n */\nexport const isArrayLike = function(type) {\n  // @TODO could that have something like array<> instead of array.<>? missing the dot?\n  // because type script is Array<T> without the dot\n  if (type.indexOf(ARRAY_TYPE_LFT) > -1 && type.indexOf(ARRAY_TYPE_RGT) > -1) {\n    const _type = type.replace(ARRAY_TYPE_LFT, '').replace(ARRAY_TYPE_RGT, '')\n    if (_type.indexOf(OR_SEPERATOR)) {\n      return _type.split(OR_SEPERATOR)\n    }\n    return [_type]\n  }\n  return false;\n}\n\n/**\n * we might encounter something like array.<T> then we need to take it apart\n * @param {object} p the prepared object for processing\n * @param {string|array} type the type came from <T>\n * @return {boolean} for the filter to operate on\n */\nexport const arrayTypeHandler = function(p, type) {\n  const { arg } = p;\n  // need a special case to handle the OR type\n  // we need to test the args instead of the type(s)\n  if (type.length > 1) {\n    return !arg.filter(v => (\n      !(type.length > type.filter(t => !combineFn(t)(v)).length)\n    )).length;\n  }\n  // type is array so this will be or!\n  return type.length > type.filter(t => !checkIsArray(arg, t)).length;\n}\n","// validate object type\nimport { isPlainObject, isUndefined, filter } from './lodash'\nimport combineFn from './combine'\nimport { checkIsArray, isArrayLike, arrayTypeHandler } from './array'\n/**\n * @TODO if provide with the keys then we need to check if the key:value type as well\n * @param {object} value expected\n * @param {array} [keys=null] if it has the keys array to compare as well\n * @return {boolean} true if OK\n */\nexport const checkIsObject = function(value, keys=null) {\n  if (isPlainObject(value)) {\n    if (!keys) {\n      return true;\n    }\n    if (checkIsArray(keys)) {\n      // please note we DON'T care if some is optional\n      // plese refer to the contract.json for the keys\n      return !keys.filter(key => {\n        let _value = value[key.name];\n        return !(key.type.length > key.type.filter(type => {\n          let tmp;\n          if (!isUndefined(_value)) {\n            if ((tmp = isArrayLike(type)) !== false) {\n              return !arrayTypeHandler({arg: _value}, tmp)\n              // return tmp.filter(t => !checkIsArray(_value, t)).length;\n              // @TODO there might be an object within an object with keys as well :S\n            }\n            return !combineFn(type)(_value)\n          }\n          return true;\n        }).length)\n      }).length;\n    }\n  }\n  return false;\n}\n\n/**\n * fold this into it's own function to handler different object type\n * @param {object} p the prepared object for process\n * @return {boolean}\n */\nexport const objectTypeHandler = function(p) {\n  const { arg, param } = p;\n  let _args = [arg];\n  if (Array.isArray(param.keys) && param.keys.length) {\n    _args.push(param.keys)\n  }\n  // just simple check\n  return checkIsObject.apply(null, _args)\n}\n","/**\n * just a simple util for helping to debug\n * @param {array} args arguments\n * @return {void}\n */\nexport default function log(...args) {\n  try {\n    if (window && window.console) {\n      Reflect.apply(console.log, console, args)\n    }\n  } catch(e) {}\n}\n","// move the index.js code here that make more sense to find where things are\nimport { isUndefined } from './lodash'\nimport {\n  checkIsArray,\n  isArrayLike,\n  arrayTypeHandler,\n  objectTypeHandler,\n  checkIsObject,\n  combineFn,\n  notEmpty\n} from './index'\nimport {\n  DEFAULT_TYPE,\n  ARRAY_TYPE,\n  OBJECT_TYPE,\n  ARGS_NOT_ARRAY_ERR,\n  PARAMS_NOT_ARRAY_ERR,\n  EXCEPTION_CASE_ERR,\n  UNUSUAL_CASE_ERR\n} from './constants'\nimport { DATA_KEY, ERROR_KEY } from 'jsonql-constants'\nimport { JsonqlError }  from 'jsonql-errors'\nimport log from './log'\n// import debug from 'debug'\n// const debugFn = debug('jsonql-params-validator:validator')\n// also export this for use in other places\n\n/**\n * We need to handle those optional parameter without a default value\n * @param {object} params from contract.json\n * @return {boolean} for filter operation false is actually OK\n */\nconst optionalHandler = function( params ) {\n  const { arg, param } = params;\n  if (notEmpty(arg)) {\n    // debug('call optional handler', arg, params);\n    // loop through the type in param\n    return !(param.type.length > param.type.filter(type =>\n        validateHandler(type, params)\n    ).length)\n  }\n  return false;\n}\n\n/**\n * actually picking the validator\n * @param {*} type for checking\n * @param {*} value for checking\n * @return {boolean} true on OK\n */\nconst validateHandler = function(type, value) {\n  let tmp;\n  switch (true) {\n    case type === OBJECT_TYPE:\n      // debugFn('call OBJECT_TYPE')\n      return !objectTypeHandler(value)\n    case type === ARRAY_TYPE:\n      // debugFn('call ARRAY_TYPE')\n      return !checkIsArray(value.arg)\n    // @TODO when the type is not present, it always fall through here\n    // so we need to find a way to actually pre-check the type first\n    // AKA check the contract.json map before running here\n    case (tmp = isArrayLike(type)) !== false:\n      // debugFn('call ARRAY_LIKE: %O', value)\n      return !arrayTypeHandler(value, tmp)\n    default:\n      return !combineFn(type)(value.arg)\n  }\n}\n\n/**\n * it get too longer to fit in one line so break it out from the fn below\n * @param {*} arg value\n * @param {object} param config\n * @return {*} value or apply default value\n */\nconst getOptionalValue = function(arg, param) {\n  if (!isUndefined(arg)) {\n    return arg;\n  }\n  return (param.optional === true && !isUndefined(param.defaultvalue) ? param.defaultvalue : null)\n}\n\n/**\n * padding the arguments with defaultValue if the arguments did not provide the value\n * this will be the name export\n * @param {array} args normalized arguments\n * @param {array} params from contract.json\n * @return {array} merge the two together\n */\nexport const normalizeArgs = function(args, params) {\n  // first we should check if this call require a validation at all\n  // there will be situation where the function doesn't need args and params\n  if (!checkIsArray(params)) {\n    // debugFn('params value', params)\n    throw new JsonqlError(PARAMS_NOT_ARRAY_ERR)\n  }\n  if (params.length === 0) {\n    return [];\n  }\n  if (!checkIsArray(args)) {\n    throw new JsonqlError(ARGS_NOT_ARRAY_ERR)\n  }\n  // debugFn(args, params);\n  // fall through switch\n  switch(true) {\n    case args.length == params.length: // standard\n      log(1)\n      return args.map((arg, i) => (\n        {\n          arg,\n          index: i,\n          param: params[i]\n        }\n      ))\n    case params[0].variable === true: // using spread syntax\n      log(2)\n      const type = params[0].type;\n      return args.map((arg, i) => (\n        {\n          arg,\n          index: i, // keep the index for reference\n          param: params[i] || { type, name: '_' }\n        }\n      ))\n    // with optional defaultValue parameters\n    case args.length < params.length:\n      log(3)\n      return params.map((param, i) => (\n        {\n          param,\n          index: i,\n          arg: getOptionalValue(args[i], param),\n          optional: param.optional || false\n        }\n      ))\n    // this one pass more than it should have anything after the args.length will be cast as any type\n    case args.length > params.length:\n      log(4)\n      let ctn = params.length;\n      // this happens when we have those array.<number> type\n      let _type = [ DEFAULT_TYPE ]\n      // we only looking at the first one, this might be a @BUG\n      /*\n      if ((tmp = isArrayLike(params[0].type[0])) !== false) {\n        _type = tmp;\n      } */\n      // if we use the params as guide then the rest will get throw out\n      // which is not what we want, instead, anything without the param\n      // will get a any type and optional flag\n      return args.map((arg, i) => {\n        let optional = i >= ctn ? true : !!params[i].optional\n        let param = params[i] || { type: _type, name: `_${i}` }\n        return {\n          arg: optional ? getOptionalValue(arg, param) : arg,\n          index: i,\n          param,\n          optional\n        }\n      })\n    // @TODO find out if there is more cases not cover\n    default: // this should never happen\n      log(5)\n      // debugFn('args', args)\n      // debugFn('params', params)\n      // this is unknown therefore we just throw it!\n      throw new JsonqlError(EXCEPTION_CASE_ERR, { args, params })\n  }\n}\n\n// what we want is after the validaton we also get the normalized result\n// which is with the optional property if the argument didn't provide it\n/**\n * process the array of params back to their arguments\n * @param {array} result the params result\n * @return {array} arguments\n */\nconst processReturn = result => result.map(r => r.arg)\n\n/**\n * validator main interface\n * @param {array} args the arguments pass to the method call\n * @param {array} params from the contract for that method\n * @param {boolean} [withResul=false] if true then this will return the normalize result as well\n * @return {array} empty array on success, or failed parameter and reasons\n */\nexport const validateSync = function(args, params, withResult = false) {\n  let cleanArgs = normalizeArgs(args, params)\n  let checkResult = cleanArgs.filter(p => {\n    // v1.4.4 this fixed the problem, the root level optional is from the last fn\n    if (p.optional === true || p.param.optional === true) {\n      return optionalHandler(p)\n    }\n    // because array of types means OR so if one pass means pass\n    return !(p.param.type.length > p.param.type.filter(\n      type => validateHandler(type, p)\n    ).length)\n  })\n  // using the same convention we been using all this time\n  return !withResult ? checkResult : {\n    [ERROR_KEY]: checkResult,\n    [DATA_KEY]: processReturn(cleanArgs)\n  }\n}\n\n/**\n * A wrapper method that return promise\n * @param {array} args arguments\n * @param {array} params from contract.json\n * @param {boolean} [withResul=false] if true then this will return the normalize result as well\n * @return {object} promise.then or catch\n */\nexport const validateAsync = function(args, params, withResult = false) {\n  return new Promise((resolver, rejecter) => {\n    const result = validateSync(args, params, withResult)\n    if (withResult) {\n      return result[ERROR_KEY].length ? rejecter(result[ERROR_KEY])\n                                      : resolver(result[DATA_KEY])\n    }\n    // the different is just in the then or catch phrase\n    return result.length ? rejecter(result) : resolver([])\n  })\n}\n","/**\n * @param {array} arr Array for check\n * @param {*} value target\n * @return {boolean} true on successs\n */\nconst isInArray = function(arr, value) {\n  return !!arr.filter(a => a === value).length;\n}\n\nexport default isInArray\n","// breaking the whole thing up to see what cause the multiple calls issue\n\nimport { isFunction, merge, mapValues } from '../lodash'\nimport {\n  JsonqlEnumError,\n  JsonqlTypeError,\n  JsonqlCheckerError\n} from 'jsonql-errors'\nimport log from '../log'\nimport {\n  TYPE_KEY,\n  OPTIONAL_KEY,\n  ENUM_KEY,\n  ARGS_KEY,\n  CHECKER_KEY,\n  KEY_WORD\n} from '../constants'\nimport { checkIsArray } from '../array'\n\n// import debug from 'debug';\n// const debugFn = debug('jsonql-params-validator:options:validation')\n\n/**\n * just make sure it returns an array to use\n * @param {*} arg input\n * @return {array} output\n */\nconst toArray = arg => checkIsArray(arg) ? arg : [arg]\n\n/**\n * DIY in array\n * @param {array} arr to check against\n * @param {*} value to check\n * @return {boolean} true on OK\n */\nconst inArray = (arr, value) => (\n  !!arr.filter(v => v === value).length\n)\n\n/**\n * break out to make the code easier to read\n * @param {object} value to process\n * @param {function} cb the validateSync\n * @return {array} empty on success\n */\nfunction validateHandler(value, cb) {\n  // cb is the validateSync methods\n  let args = [\n    [ value[ARGS_KEY] ],\n    [{\n        [TYPE_KEY]: toArray(value[TYPE_KEY]),\n        [OPTIONAL_KEY]: value[OPTIONAL_KEY]\n    }]\n  ]\n  // debugFn('validateHandler', args)\n  return Reflect.apply(cb, null, args)\n}\n\n/**\n * Check against the enum value if it's provided\n * @param {*} value to check\n * @param {*} enumv to check against if it's not false\n * @return {boolean} true on OK\n */\nconst enumHandler = (value, enumv) => {\n  if (checkIsArray(enumv)) {\n    return inArray(enumv, value)\n  }\n  return true;\n}\n\n/**\n * Allow passing a function to check the value\n * There might be a problem here if the function is incorrect\n * and that will makes it hard to debug what is going on inside\n * @TODO there could be a few feature add to this one under different circumstance\n * @param {*} value to check\n * @param {function} checker for checking\n */\nconst checkerHandler = (value, checker) => {\n  try {\n    return isFunction(checker) ? checker.apply(null, [value]) : false;\n  } catch (e) {\n    return false;\n  }\n}\n\n/**\n * Taken out from the runValidaton this only validate the required values\n * @param {array} args from the config2argsAction\n * @param {function} cb validateSync\n * @return {array} of configuration values\n */\nfunction runValidationAction(cb) {\n  return (value, key) => {\n    // debugFn('runValidationAction', key, value)\n    if (value[KEY_WORD]) {\n      return value[ARGS_KEY]\n    }\n    const check = validateHandler(value, cb)\n    if (check.length) {\n      log('runValidationAction', key, value)\n      throw new JsonqlTypeError(key, check)\n    }\n    if (value[ENUM_KEY] !== false && !enumHandler(value[ARGS_KEY], value[ENUM_KEY])) {\n      log(ENUM_KEY, value[ENUM_KEY])\n      throw new JsonqlEnumError(key)\n    }\n    if (value[CHECKER_KEY] !== false && !checkerHandler(value[ARGS_KEY], value[CHECKER_KEY])) {\n      log(CHECKER_KEY, value[CHECKER_KEY])\n      throw new JsonqlCheckerError(key)\n    }\n    return value[ARGS_KEY]\n  }\n}\n\n/**\n * @param {object} args from the config2argsAction\n * @param {function} cb validateSync\n * @return {object} of configuration values\n */\nexport default function runValidation(args, cb) {\n  const [ argsForValidate, pristineValues ] = args;\n  // turn the thing into an array and see what happen here\n  // debugFn('_args', argsForValidate)\n  const result = mapValues(argsForValidate, runValidationAction(cb))\n  return merge(result, pristineValues)\n}\n","// this is port back from the client to share across all projects\nimport { merge } from '../lodash'\nimport { prepareArgsForValidation } from './prepare-args-for-validation'\nimport runValidation from './run-validation'\n\n/**\n * @param {object} config user provide configuration option\n * @param {object} appProps mutation configuration options\n * @param {object} constProps the immutable configuration options\n * @param {function} cb the validateSync method\n * @return {object} Promise resolve merge config object\n */\nexport default function(config = {}, appProps, constProps, cb) {\n  return merge(\n    runValidation(\n      prepareArgsForValidation(config, appProps),\n      cb\n    ),\n    constProps\n  )\n}\n","// create function to construct the config entry so we don't need to keep building object\nimport { isFunction, isString } from '../lodash'\nimport {\n  ARGS_KEY,\n  TYPE_KEY,\n  CHECKER_KEY,\n  ENUM_KEY,\n  OPTIONAL_KEY,\n  ALIAS_KEY\n} from 'jsonql-constants'\n\nimport { checkIsArray } from '../array'\nimport checkIsBoolean from '../boolean'\n// import debug from 'debug';\n// const debugFn = debug('jsonql-params-validator:construct-config');\n/**\n * @param {*} args value\n * @param {string} type for value\n * @param {boolean} [optional=false]\n * @param {boolean|array} [enumv=false]\n * @param {boolean|function} [checker=false]\n * @return {object} config entry\n */\nexport default function(args, type, optional=false, enumv=false, checker=false, alias=false) {\n  let base = {\n    [ARGS_KEY]: args,\n    [TYPE_KEY]: type\n  };\n  if (optional === true) {\n    base[OPTIONAL_KEY] = true;\n  }\n  if (checkIsArray(enumv)) {\n    base[ENUM_KEY] = enumv;\n  }\n  if (isFunction(checker)) {\n    base[CHECKER_KEY] = checker;\n  }\n  if (isString(alias)) {\n    base[ALIAS_KEY] = alias;\n  }\n  return base;\n}\n","// export also create wrapper methods\nimport checkOptionsAsync from './check-options-async'\nimport checkOptionsSync from './check-options-sync'\nimport constructConfigFn from './construct-config'\nimport {\n  ENUM_KEY,\n  CHECKER_KEY,\n  ALIAS_KEY,\n  OPTIONAL_KEY\n} from 'jsonql-constants'\n\n// import debug from 'debug';\n// const debugFn = debug('jsonql-params-validator:options:index');\n\n/**\n * This has a different interface\n * @param {*} value to supply\n * @param {string|array} type for checking\n * @param {object} params to map against the config check\n * @param {array} params.enumv NOT enum\n * @param {boolean} params.optional false then nothing\n * @param {function} params.checker need more work on this one later\n * @param {string} params.alias mostly for cmd\n */\nconst createConfig = (value, type, params = {}) => {\n  // Note the enumv not ENUM\n  // const { enumv, optional, checker, alias } = params;\n  // let args = [value, type, optional, enumv, checker, alias];\n  const {\n    [OPTIONAL_KEY]: o,\n    [ENUM_KEY]: e,\n    [CHECKER_KEY]: c,\n    [ALIAS_KEY]: a\n  } = params;\n  return constructConfigFn.apply(null,  [value, type, o, e, c, a])\n}\n\n// for testing purpose\nconst JSONQL_PARAMS_VALIDATOR_INFO = '__PLACEHOLDER__';\n\n/**\n * We recreate the method here to avoid the circlar import\n * @param {object} config user supply configuration\n * @param {object} appProps mutation options\n * @param {object} [constantProps={}] optional: immutation options\n * @return {object} all checked configuration\n */\nconst checkConfigAsync = function(validateSync) {\n  return function(config, appProps, constantProps= {}) {\n    return checkOptionsAsync(config, appProps, constantProps, validateSync)\n  }\n}\n\n// copy of above but it's sync\nconst checkConfig = function(validateSync) {\n  return function(config, appProps, constantProps = {}) {\n    return checkOptionsSync(config, appProps, constantProps, validateSync)\n  }\n}\n\n// re-export\nexport {\n  createConfig,\n  constructConfigFn,\n  checkConfigAsync,\n  checkConfig,\n  JSONQL_PARAMS_VALIDATOR_INFO\n}\n","// export\nimport {\n  checkIsObject,\n  notEmpty,\n  checkIsAny,\n  checkIsString,\n  checkIsBoolean,\n  checkIsNumber,\n  checkIsArray\n} from './src'\n// PIA syntax\nexport const isObject = checkIsObject;\nexport const isAny = checkIsAny;\nexport const isString = checkIsString;\nexport const isBoolean = checkIsBoolean;\nexport const isNumber = checkIsNumber;\nexport const isArray = checkIsArray;\nexport const isNotEmpty = notEmpty;\n\nimport * as validator from './src/validator'\n\nexport const normalizeArgs = validator.normalizeArgs;\nexport const validateSync = validator.validateSync;\nexport const validateAsync = validator.validateAsync;\n\n// configuration checking\n\nimport * as jsonqlOptions from './src/options'\n\nexport const JSONQL_PARAMS_VALIDATOR_INFO = jsonqlOptions.JSONQL_PARAMS_VALIDATOR_INFO;\n\nexport const createConfig = jsonqlOptions.createConfig;\nexport const constructConfig = jsonqlOptions.constructConfigFn;\n\nexport const checkConfigAsync = jsonqlOptions.checkConfigAsync(validator.validateSync)\nexport const checkConfig = jsonqlOptions.checkConfig(validator.validateSync)\n\n// export the two extra functions\nimport isInArray from './src/is-in-array'\nimport isKeyInObjectFn from './src/is-key-in-object'\n\nexport const inArray = isInArray;\nexport const isKeyInObject = isKeyInObjectFn;\n","// bunch of generic helpers\n\nimport isArray from 'lodash-es/isArray'\nimport isPlainObject from 'lodash-es/isPlainObject'\nimport trim from 'lodash-es/trim'\n\n/**\n * DIY in Array\n * @param {array} arr to check from\n * @param {*} value to check against\n * @return {boolean} true on found\n */\nexport const inArray = (arr, value) => !!arr.filter(a => a === value).length;\n\n// quick and dirty to turn non array to array\nexport const toArray = (arg) => isArray(arg) ? arg : [arg];\n\n/**\n * parse string to json or just return the original value if error happened\n * @param {*} n input\n * @return {*} json object on success\n */\nconst parse = function(n) {\n  try {\n    return JSON.parse(n)\n  } catch(e) {\n    return n;\n  }\n}\n\n/**\n * @param {object} obj for search\n * @param {string} key target\n * @return {boolean} true on success\n */\nexport const isObjectHasKey = function(obj, key) {\n  try {\n    const keys = Object.keys(obj)\n    return inArray(keys, key)\n  } catch(e) {\n    // @BUG when the obj is not an OBJECT we got some weird output\n    return false;\n    /*\n    console.info('obj', obj)\n    console.error(e)\n    throw new Error(e)\n    */\n  }\n}\n\n/**\n * create a event name\n * @param {string[]} args\n * @return {string} event name for use\n */\nexport const createEvt = (...args) => args.join('_')\n\n/**\n * @param {boolean} sec return in second or not\n * @return {number} timestamp\n */\nexport const timestamp = (sec = false) => {\n  let time = Date.now()\n  return sec ? Math.floor( time / 1000 ) : time;\n}\n\n/**\n * construct a url with query parameters\n * @param {string} url to append\n * @param {object} params to append to url\n * @return {string} url with appended params\n */\nexport const urlParams = (url, params) => {\n  let parts = [];\n  for (let key in params) {\n    parts.push( [key, params[key]].join('=') )\n  }\n  return [url, parts.join('&')].join('?')\n}\n\n/**\n * construct a url with cache burster\n * @param {string} url to append to\n * @return {object} _cb key timestamp\n */\nexport const cacheBurstUrl = url => urlParams(url, cacheBurst())\n\n/**\n * @return {object} _cb as key with timestamp\n */\nexport const cacheBurst = () => ({ _cb: timestamp() })\n\n/**\n * From underscore.string library\n * @BUG there is a bug here with the non-standard name start with _\n * @param {string} str string\n * @return {string} dasherize string\n */\nexport const dasherize = str => (\n  trim(str)\n    .replace(/([A-Z])/g, '-$1')\n    .replace(/[-_\\s]+/g, '-')\n    .toLowerCase()\n)\n\n/**\n * simple util method to get the value\n * @param {string} name of the key\n * @param {object} obj to take value from\n * @return {*} the object value id by name or undefined\n */\nexport const getConfigValue = (name, obj) => (\n  obj && isPlainObject(obj) ? ( (name in obj) ? obj[name] : undefined ) : undefined\n)\n\n/**\n * small util to make sure the return value is valid JSON object\n * @param {*} n input\n * @return {object} correct JSON object\n */\nexport const toJson = (n) => {\n  if (typeof n === 'string') {\n    return parse(n)\n  }\n  return JSON.parse(JSON.stringify(n))\n}\n\n/**\n * Check several parameter that there is something in the param\n * @param {*} param input\n * @return {boolean}\n */\nexport const isNotEmpty = function(param) {\n  return param !== undefined && param !== false && param !== null && trim(param) !== '';\n}\n\n/**\n * Simple check if the prop is function\n * @param {*} prop input\n * @return {boolean} true on success\n */\nexport const isFunc = prop => {\n  if (typeof prop === 'function') {\n    return true;\n  }\n  console.error(`Expect to be Function type!`)\n}\n","// breaking out the inner methods generator in here\nimport {\n  JsonqlValidationError,\n  JsonqlError,\n  clientErrorsHandler,\n  finalCatch\n} from 'jsonql-errors'\nimport { validateAsync } from 'jsonql-params-validator'\nimport { LOGOUT_NAME, ISSUER_NAME, KEY_WORD } from 'jsonql-constants'\nimport { injectToFn, chainFns } from 'jsonql-utils/module'\n\n/**\n * generate authorisation specific methods\n * @param {object} jsonqlInstance instance of this\n * @param {string} name of method\n * @param {object} opts configuration\n * @param {object} contract to match\n * @return {function} for use\n */\nconst authMethodGenerator = (jsonqlInstance, name, opts, contract) => {\n  return (...args) => {\n    const params = contract.auth[name].params;\n    const values = params.map((p, i) => args[i])\n    const header = args[params.length] || {};\n    return validateAsync(args, params)\n      .then(() => jsonqlInstance\n          .query\n          .apply(jsonqlInstance, [name, values, header])\n      )\n      .catch(finalCatch)\n  }\n}\n\n/**\n * Break up the different type each - create query methods\n * @param {object} obj to hold all the objects\n * @param {object} jsonqlInstance jsonql class instance\n * @param {object} ee eventEmitter\n * @param {object} config configuration\n * @param {object} contract json\n * @return {object} modified output for next op\n */\nconst createQueryMethods = (obj, jsonqlInstance, ee, config, contract) => {\n  let query = {}\n  for (let queryFn in contract.query) {\n    // to keep it clean we use a param to id the auth method\n    // const fn = (_contract.query[queryFn].auth === true) ? 'auth' : queryFn;\n    // generate the query method\n    query = injectToFn(query, queryFn, function queryFnHandler(...args) {\n    // obj.query[queryFn] = (...args) => {\n      const params = contract.query[queryFn].params;\n      const _args = params.map((param, i) => args[i])\n      // debug('query', queryFn, _params);\n      // @TODO this need to change\n      // the +1 parameter is the extra headers we want to pass\n      const header = args[params.length] || {};\n      // @TODO validate against the type\n      return validateAsync(_args, params)\n        .then(() => jsonqlInstance\n            .query\n            .apply(jsonqlInstance, [queryFn, _args, header])\n        )\n        .catch(finalCatch)\n    })\n  }\n  obj.query = query;\n  // create an alias to the helloWorld method\n  obj.helloWorld = query.helloWorld;\n  return [ obj, jsonqlInstance, ee, config, contract ]\n}\n\n/**\n * create mutation methods\n * @param {object} obj to hold all the objects\n * @param {object} jsonqlInstance jsonql class instance\n * @param {object} ee eventEmitter\n * @param {object} config configuration\n * @param {object} contract json\n * @return {object} modified output for next op\n */\nconst createMutationMethods = (obj, jsonqlInstance, ee, config, contract) => {\n  let mutation = {}\n  // process the mutation, the reason the mutation has a fixed number of parameters\n  // there is only the payload, and conditions parameters\n  // plus a header at the end\n  for (let mutationFn in contract.mutation) {\n    mutation = injectToFn(mutation, mutationFn, function mutationFnHandler(payload, conditions, header = {}) {\n    //obj.mutation[mutationFn] = (payload, conditions, header = {}) => {\n      const args = [payload, conditions];\n      const params = contract.mutation[mutationFn].params;\n      return validateAsync(args, params)\n        .then(() => jsonqlInstance\n            .mutation\n            .apply(jsonqlInstance, [mutationFn, payload, conditions, header])\n        )\n        .catch(finalCatch)\n    })\n  }\n  obj.mutation = mutation;\n  return [ obj, jsonqlInstance, ee, config, contract ]\n}\n\n/**\n * create auth methods\n * @param {object} obj to hold all the objects\n * @param {object} jsonqlInstance jsonql class instance\n * @param {object} ee eventEmitter\n * @param {object} config configuration\n * @param {object} contract json\n * @return {object} modified output for next op\n */\nconst createAuthMethods = (obj, jsonqlInstance, ee, config, contract) => {\n  if (config.enableAuth && contract.auth) {\n    let auth = {} // v1.3.1 add back the auth prop name in contract\n    const { loginHandlerName, logoutHandlerName } = config;\n    if (contract.auth[loginHandlerName]) {\n      // changing to the name the config specify\n      auth[loginHandlerName] = function loginHandlerFn(...args) {\n        const fn = authMethodGenerator(jsonqlInstance, loginHandlerName, config, contract)\n        return fn.apply(null, args)\n          .then(jsonqlInstance.postLoginAction)\n          .then(token => {\n            ee.$trigger(ISSUER_NAME, token)\n            return token;\n          })\n      }\n    }\n    if (contract.auth[logoutHandlerName]) {\n      auth[logoutHandlerName] = function logoutHandlerFn(...args) {\n        const fn = authMethodGenerator(jsonqlInstance, logoutHandlerName, config, contract)\n        return fn.apply(null, args)\n          .then(jsonqlInstance.postLogoutAction)\n          .then(r => {\n            ee.$trigger(LOGOUT_NAME, r)\n            return r;\n          })\n      }\n    } else {\n      auth[logoutHandlerName] = function logoutHandlerFn() {\n        jsonqlInstance.postLogoutAction(KEY_WORD)\n        ee.$trigger(LOGOUT_NAME, KEY_WORD)\n      }\n    }\n    obj.auth = auth;\n  }\n  return obj;\n}\n\n/**\n * Here just generate the methods calls\n * @param {object} jsonqlInstance what it said\n * @param {object} ee event emitter\n * @param {object} config configuration\n * @param {object} contract the map\n * @return {object} with mapped methods\n */\nexport default function methodsGenerator(jsonqlInstance, ee, config, contract) {\n  let obj = {}\n  const executor = chainFns(createQueryMethods, createMutationMethods, createAuthMethods)\n  return executor(obj, jsonqlInstance, ee, config, contract)\n}\n","// take only the module part which is what we use here\n// and export it again to use through out the client\n// this way we avoid those that we don't want node.js module got build into the code\nimport {\n    createEvt,\n\n    createQuery,\n    createMutation,\n    getNameFromPayload,\n    cacheBurst,\n    urlParams,\n    resultHandler,\n\n    isContract,\n    timestamp,\n    inArray,\n    isObjectHasKey\n} from './jsonql-utils' // this should point to the module.js\n\n/**\n * @param {object} jsonqlInstance the init instance of jsonql client\n * @param {object} contract the static contract\n * @return {object} contract may be from server\n */\nconst getContractFromConfig = function(jsonqlInstance, contract = {}) {\n  if (isContract(contract)) {\n    return Promise.resolve(contract)\n  }\n  return jsonqlInstance.getContract()\n}\n\n// export some constants as well\n// since it's only use here there is no point of adding it to the constants module\n// or may be we add it back later\nconst ENDPOINT_TABLE = 'endpoint';\nconst USERDATA_TABLE = 'userdata';\n\n// simple util to check if an object has any properties\nconst hasProp = obj => isObject(obj) && Object.keys(obj).length\n\n// export\nexport {\n  getContractFromConfig,\n  ENDPOINT_TABLE,\n  USERDATA_TABLE,\n  createEvt,\n\n  createQuery,\n  createMutation,\n  getNameFromPayload,\n  cacheBurst,\n  urlParams,\n  resultHandler,\n\n  isContract,\n  timestamp,\n  inArray,\n  isObjectHasKey,\n  hasProp\n}\n","// This generator will use the old style\n// with default methods\nimport { ON_RESULT_PROP_NAME, ON_ERROR_PROP_NAME } from 'jsonql-constants'\n\nimport methodsGenerator from './methods-generator'\nimport { createEvt } from '../utils'\n\n\n/**\n * Group all the same methods together\n * @param {object} ee event emitter\n * @param {string} type query, mutation or auth\n * @param {string} resolverName use as the guide\n * @param {array} args from the call\n * @return {function} the handler itself\n */\nconst handler = (ee, type) => {\n  // we don't run validate here because we want until the contract is ready\n  return (resolverName, ...args) => (\n    new Promise((resolver, rejecter) => {\n      // this are the callbacks\n      ee.$only(createEvt(type, resolverName, ON_RESULT_PROP_NAME), resolver)\n      ee.$only(createEvt(type, resolverName, ON_ERROR_PROP_NAME), rejecter)\n      // this is the main call\n      ee.$trigger(type, { resolverName, args })\n    })\n  )\n}\n\n/**\n * @param {object} ee eventEmitter\n * @param {object} contract the map\n * @param {object} config configuration\n */\nconst validateRegisteredEvents = (ee, contract, config) => {\n  const storedEvt = ee.$queues;\n  const debug = config.debugOn;\n  if (debug) {\n    console.info('(validateRegisteredEvents)', 'storedEvt', storedEvt)\n  }\n  storedEvt.forEach(args => {\n    let [type, payload] = args;\n    let { resolverName } = payload;\n    if (debug) {\n      console.info('(validateRegisteredEvents)', type, resolverName)\n    }\n    if (!contract[type][resolverName]) {\n      throw new Error(`${type}.${resolverName} not existed in contract!`)\n    }\n  })\n}\n\n/**\n * set up all the event handlers once the contract is ready\n * @param {object} jsonqlInstance what the name said\n * @param {object} ee event emitter\n * @param {object} config the configuration\n * @param {object} contract the map\n * @return {void} nothing\n */\nfunction setupEventHandlers(jsonqlInstance, ee, config, contract) {\n  let methods = methodsGenerator(jsonqlInstance, ee, config, contract)\n  validateRegisteredEvents(ee, contract, config)\n  // create handler\n  for (let type in methods) {\n    // setup event listeners - only one listener per type\n    ee.$only(type, function({resolverName, args}) {\n      if (methods[type][resolverName]) {\n        Reflect.apply(methods[type][resolverName], null, args)\n          .then(result => {\n            ee.$trigger(createEvt(type, resolverName, ON_RESULT_PROP_NAME), result)\n          })\n          .catch(err => {\n            ee.$trigger(createEvt(type, resolverName, ON_ERROR_PROP_NAME), err)\n          })\n      } else {\n        console.error(`${resolverName} is not defined in the contract!`)\n      }\n    })\n  }\n  // all done now release the queue if any\n  setTimeout(() => {\n    ee.$suspend = false;\n  }, 1)\n}\n\n/**\n * @param {object} jsonqlInstance jsonql class instance\n * @param {object} config options\n * @param {object} contractPromise an unresolve promise\n * @param {object} ee eventEmitter\n * @return {object} constructed functions call\n */\nconst generator = (jsonqlInstance, config, contractPromise, ee) => {\n  ee.$suspend = true; // hold all the calls\n  // wait for the promise to resolve\n  contractPromise.then(contract => {\n    setupEventHandlers(jsonqlInstance, ee, config, contract)\n  })\n  // construct the api\n  let obj = {\n    query: handler(ee, 'query'),\n    mutation: handler(ee, 'mutation'),\n    auth: handler(ee, 'auth')\n  }\n  // allow getting the token for valdiate agains the socket\n  obj.getToken = () => jsonqlInstance.rawAuthToken;\n  // this will pass to the ws-client if needed\n  // obj.eventEmitter = ee;\n  // this will require a param\n  if (config.exposeContract) {\n    obj.getContract = () => jsonqlInstance.get()\n  }\n  if (config.enableAuth) {\n    obj.userdata = () => jsonqlInstance.userdata;\n  }\n  obj.version = '__VERSION__';\n  // output\n  return obj;\n}\n\nexport default generator;\n","module.exports = defaultsPlugin\n\nfunction defaultsPlugin() {\n\tvar defaultValues = {}\n\t\n\treturn {\n\t\tdefaults: defaults,\n\t\tget: get\n\t}\n\t\n\tfunction defaults(_, values) {\n\t\tdefaultValues = values\n\t}\n\t\n\tfunction get(super_fn, key) {\n\t\tvar val = super_fn()\n\t\treturn (val !== undefined ? val : defaultValues[key])\n\t}\n}\n","var namespace = 'expire_mixin'\n\nmodule.exports = expirePlugin\n\nfunction expirePlugin() {\n\tvar expirations = this.createStore(this.storage, null, this._namespacePrefix+namespace)\n\t\n\treturn {\n\t\tset: expire_set,\n\t\tget: expire_get,\n\t\tremove: expire_remove,\n\t\tgetExpiration: getExpiration,\n\t\tremoveExpiredKeys: removeExpiredKeys\n\t}\n\t\n\tfunction expire_set(super_fn, key, val, expiration) {\n\t\tif (!this.hasNamespace(namespace)) {\n\t\t\texpirations.set(key, expiration)\n\t\t}\n\t\treturn super_fn()\n\t}\n\t\n\tfunction expire_get(super_fn, key) {\n\t\tif (!this.hasNamespace(namespace)) {\n\t\t\t_checkExpiration.call(this, key)\n\t\t}\n\t\treturn super_fn()\n\t}\n\t\n\tfunction expire_remove(super_fn, key) {\n\t\tif (!this.hasNamespace(namespace)) {\n\t\t\texpirations.remove(key)\n\t\t}\n\t\treturn super_fn()\n\t}\n\t\n\tfunction getExpiration(_, key) {\n\t\treturn expirations.get(key)\n\t}\n\t\n\tfunction removeExpiredKeys(_) {\n\t\tvar keys = []\n\t\tthis.each(function(val, key) {\n\t\t\tkeys.push(key)\n\t\t})\n\t\tfor (var i=0; i<keys.length; i++) {\n\t\t\t_checkExpiration.call(this, keys[i])\n\t\t}\n\t}\n\t\n\tfunction _checkExpiration(key) {\n\t\tvar expiration = expirations.get(key, Number.MAX_VALUE)\n\t\tif (expiration <= new Date().getTime()) {\n\t\t\tthis.raw.remove(key)\n\t\t\texpirations.remove(key)\n\t\t}\n\t}\n\t\n}\n","// sort of persist on the user side\nimport engine from 'store/src/store-engine'\n\nimport localStorage from 'store/storages/localStorage'\nimport cookieStorage from 'store/storages/cookieStorage'\n\nimport defaultPlugin from 'store/plugins/defaults'\nimport expiredPlugin from 'store/plugins/expire'\nimport eventsPlugin from 'store/plugins/events'\nimport compressionPlugin from 'store/plugins/compression'\n\nconst storages = [localStorage, cookieStorage]\nconst plugins = [defaultPlugin, expiredPlugin, eventsPlugin, compressionPlugin]\n\nconst localStore = engine.createStore(storages, plugins)\n\nexport default localStore\n","// session store with watch\nimport engine from 'store/src/store-engine'\n\nimport sessionStorage from 'store/storages/sessionStorage'\nimport cookieStorage from 'store/storages/cookieStorage'\n\nimport defaultPlugin from 'store/plugins/defaults'\nimport expiredPlugin from 'store/plugins/expire'\n\nconst storages = [sessionStorage, cookieStorage]\nconst plugins = [defaultPlugin, expiredPlugin]\n\nconst sessionStore = engine.createStore(storages, plugins)\n\nexport default sessionStore\n","// export store interface\nimport localStoreEngine from './local-store'\nimport sessionStoreEngine from './session-store'\n\n// export back the raw version for development purposes\nexport const localStore = localStoreEngine\nexport const sessionStore = sessionStoreEngine\n","/**\n * The code was extracted from:\n * https://github.com/davidchambers/Base64.js\n */\n\nvar chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';\n\nfunction InvalidCharacterError(message) {\n  this.message = message;\n}\n\nInvalidCharacterError.prototype = new Error();\nInvalidCharacterError.prototype.name = 'InvalidCharacterError';\n\nfunction polyfill (input) {\n  var str = String(input).replace(/=+$/, '');\n  if (str.length % 4 == 1) {\n    throw new InvalidCharacterError(\"'atob' failed: The string to be decoded is not correctly encoded.\");\n  }\n  for (\n    // initialize result and counters\n    var bc = 0, bs, buffer, idx = 0, output = '';\n    // get next character\n    buffer = str.charAt(idx++);\n    // character found in table? initialize bit storage and add its ascii value;\n    ~buffer && (bs = bc % 4 ? bs * 64 + buffer : buffer,\n      // and if not first of each 4 characters,\n      // convert the first 8 bits to one ascii character\n      bc++ % 4) ? output += String.fromCharCode(255 & bs >> (-2 * bc & 6)) : 0\n  ) {\n    // try to find character in table (0-63, not found => -1)\n    buffer = chars.indexOf(buffer);\n  }\n  return output;\n}\n\n\nmodule.exports = typeof window !== 'undefined' && window.atob && window.atob.bind(window) || polyfill;\n","// when the user is login with the jwt\n// we use call this to decode the token and then add the payload\n// to the resolver so the user can call ResolverName.userdata\n// and get back the payload\nimport jwt_decode from 'jwt-decode'\nimport { isString } from 'jsonql-params-validator'\nimport { JsonqlError } from 'jsonql-errors'\n\nconst timestamp = function (sec) {\n  if ( sec === void 0 ) sec = false;\n\n  var time = Date.now();\n  return sec ? Math.floor( time / 1000 ) : time;\n}\n\n/**\n * We only check the nbf and exp\n * @param {object} token for checking\n * @return {object} token on success\n */\nfunction validate(token) {\n  const start = token.iat || timestamp(true)\n  // we only check the exp for the time being\n  if (token.exp) {\n    if (start >= token.exp) {\n      const expired = new Date(token.exp).toISOString()\n      throw new JsonqlError(`Token has expired on ${expired}`, token)\n    }\n  }\n  return token;\n}\n\n/**\n * The browser client version it has far fewer options and it doesn't verify it\n * because it couldn't this is the job for the server\n * @TODO we need to add some extra proessing here to check for the exp field\n * @param {string} token to decrypted\n * @return {object} decrypted object\n */\nexport default function jwtDecode(token) {\n  if (isString(token)) {\n    const t = jwt_decode(token)\n    return validate(t)\n  }\n  throw new JsonqlError('Token must be a string!')\n}\n","// base HttpClass\nimport merge from 'lodash-es/merge'\nimport {\n  createQuery,\n  createMutation,\n  getNameFromPayload,\n  cacheBurst,\n  urlParams,\n  resultHandler\n} from '../utils'\nimport {\n  isObject,\n  isString\n} from 'jsonql-params-validator'\nimport {\n  JsonqlValidationError,\n  JsonqlServerError,\n  clientErrorsHandler\n} from 'jsonql-errors'\nimport {\n  API_REQUEST_METHODS,\n  DEFAULT_HEADER,\n  JSONP_CALLBACK_NAME,\n  SHOW_CONTRACT_DESC_PARAM\n} from 'jsonql-constants'\n\n// extract the one we need\nconst [ POST, PUT ] = API_REQUEST_METHODS\n\nconst _log = (...args) => {\n  try {\n    if (window && window.console) {\n      Reflect.apply(console.log, null, args)\n    }\n  } catch(e) {}\n}\n\nexport default class HttpClass {\n  /**\n   * The opts has been check at the init stage\n   * @param {object} opts configuration options\n   */\n  constructor(opts) {\n    // change the way how we init Fly\n    // flyio now become external depedencies and it makes it easier to switch\n    // @BUG should we run test to check if we have the windows object?\n    _log(opts)\n    this.fly = opts.Fly ? new opts.Fly() : new Fly()\n    // to a different environment like WeChat mini app\n    this.opts = opts;\n    this.extraHeader = {};\n    // @1.2.1 for adding query to the call on the fly\n    this.extraParams = {};\n    // this.log('start up opts', opts);\n    this.reqInterceptor()\n    this.resInterceptor()\n  }\n\n  // set headers for that one call\n  set headers(header) {\n    this.extraHeader = header;\n  }\n\n  /**\n   * Create the reusage request method\n   * @param {object} payload jsonql payload\n   * @param {object} options extra options add the request\n   * @param {object} headers extra headers add to the call\n   * @return {object} the fly request instance\n   */\n  request(payload, options = {}, headers = {}) {\n    this.headers = headers;\n    let params = merge({}, cacheBurst(), this.extraParams)\n    // @TODO need to add a jsonp url and payload\n    if (this.opts.enableJsonp) {\n      let resolverName = getNameFromPayload(payload)\n      params = merge({}, params, {[JSONP_CALLBACK_NAME]: resolverName})\n      payload = payload[resolverName]\n    }\n    return this.fly.request(\n      this.jsonqlEndpoint,\n      payload,\n      merge({}, { method: POST, params }, options)\n    )\n  }\n\n  /**\n   * This will replace the create baseRequest method\n   *\n   */\n  reqInterceptor() {\n    this.fly.interceptors.request.use(\n      req => {\n        const headers = this.getHeaders()\n        this.log('request interceptor call', headers)\n\n        for (let key in headers) {\n          req.headers[key] = headers[key]\n        }\n        return req;\n      }\n    )\n  }\n\n  // @TODO\n  processJsonp(result) {\n    return resultHandler(result)\n  }\n\n  /**\n   * This will be replacement of the first then call\n   *\n   */\n  resInterceptor() {\n    const self = this;\n    const jsonp = self.opts.enableJsonp;\n    this.fly.interceptors.response.use(\n      res => {\n        this.log('response interceptor call')\n        self.cleanUp()\n        // now more processing here\n        // there is a problem if we throw the result.error here\n        // the original data is lost, so we need to do what we did before\n        // deal with that error in the first then instead\n        const result = isString(res.data) ? JSON.parse(res.data) : res.data;\n        if (jsonp) {\n          return self.processJsonp(result)\n        }\n        return resultHandler(result)\n      },\n      // this get call when it's not 200\n      err => {\n        self.cleanUp()\n        console.error(err)\n        throw new JsonqlServerError('Server side error', err)\n      }\n    )\n  }\n\n  /**\n   * Get the headers inject into the call\n   * @return {object} headers\n   */\n  getHeaders() {\n    if (this.opts.enableAuth) {\n      return merge({}, DEFAULT_HEADER, this.getAuthHeader(), this.extraHeader)\n    }\n    return merge({}, DEFAULT_HEADER, this.extraHeader)\n  }\n\n  /**\n   * Post http call operation to clean up things we need\n   */\n  cleanUp() {\n    this.extraHeader = {}\n    this.extraParams = {}\n  }\n\n  /**\n   * GET for contract only\n   */\n  get() {\n    if (this.opts.showContractDesc) {\n      this.extraParams = merge({}, this.extraParams, SHOW_CONTRACT_DESC_PARAM)\n    }\n    return this.request({}, {method: 'GET'}, this.contractHeader)\n      .then(clientErrorsHandler)\n      .then(result => {\n        this.log('get contract result', result)\n        // when refresh the window the result is different!\n        // @TODO need to check the Koa side about why is that\n        // also it should set a flag if we want the description or not\n        if (result.cache && result.contract) {\n          return result.contract;\n        }\n        // just the normal result\n        return result\n      })\n  }\n\n /**\n  * POST to server - query\n  * @param {object} name of the resolver\n  * @param {array} args arguments\n  * @return {object} promise resolve to the resolver return\n  */\n query(name, args = []) {\n   return this.request(createQuery(name, args))\n    .then(clientErrorsHandler)\n }\n\n /**\n  * PUT to server - mutation\n  * @param {string} name of resolver\n  * @param {object} payload what it said\n  * @param {object} conditions what it said\n  * @return {object} promise resolve to the resolver return\n  */\n mutation(name, payload = {}, conditions = {}) {\n   return this.request(createMutation(name, payload, conditions), {method: PUT})\n    .then(clientErrorsHandler)\n }\n\n}\n","// all the contract related methods will be here\nimport { JsonqlValidationError } from 'jsonql-errors'\n\nimport { timestamp, isContract, ENDPOINT_TABLE } from '../utils'\nimport { localStore } from '../stores'\n\nimport HttpClass from './http-cls';\n\n// export\nexport default class ContractClass extends HttpClass {\n\n  constructor(opts) {\n    super(opts)\n  }\n\n  /**\n   * return the contract public api\n   * @return {object} contract\n   */\n  getContract() {\n    const contracts = this.readContract()\n    this.log('getContract first call', contracts)\n    if (contracts && Array.isArray(contracts)) {\n      const contract = contracts[ this[ENDPOINT_TABLE + 'Index'] || 0 ]\n      if (contract) {\n        return Promise.resolve(contract)\n      }\n    }\n    return this.get()\n      .then( this.storeContract.bind(this) )\n  }\n\n  /**\n   * We are changing the way how to auth to get the contract.json\n   * Instead of in the url, we will be putting that key value in the header\n   * @return {object} header\n   */\n  get contractHeader() {\n    let base = {};\n    if (this.opts.contractKey !== false) {\n      base[this.opts.contractKeyName] = this.opts.contractKey;\n    }\n    return base;\n  }\n\n  /**\n   * Save the contract to local store\n   * @param {object} contract to save\n   * @return {object|boolean} false when its not a contract or contract on OK\n   */\n  storeContract(contract) {\n    // first need to check if the contract is a contract\n    if (!isContract(contract)) {\n      throw new JsonqlValidationError(`Contract is malformed!`)\n      //return false;\n    }\n    let args = [contract]\n    if (this.opts.contractExpired) {\n      let expired = parseFloat(this.opts.contractExpired)\n      if (!isNaN(expired) && expired > 0) {\n        args.push(expired)\n      }\n    }\n    // calling the setter\n    this.jsonqlContract = args;\n    // return it\n    this.log('storeContract return result', contract)\n    return contract;\n  }\n\n  /**\n   * return the contract from options or localStore\n   * @return {object} contract\n   */\n  readContract() {\n    let contract = isContract(this.opts.contract)\n    return contract ? this.opts.contract : localStore.get(this.opts.storageKey)\n  }\n}\n","// this is the new auth class that integrate with the jsonql-jwt\n// all the auth related methods will be here\nimport { decodeToken } from 'jsonql-jwt'\nimport {\n  CREDENTIAL_STORAGE_KEY,\n  AUTH_HEADER,\n  BEARER\n} from 'jsonql-constants'\n// chain\nimport ContractClass from './contract-cls'\n// export\nexport default class AuthClass extends ContractClass {\n\n  constructor(opts) {\n    super(opts)\n    if (opts.enableAuth && opts.useJwt) {\n      this.setDecoder = decodeToken;\n    }\n  }\n\n  /**\n   * Getter to get the login userdata\n   * @return {mixed} userdata\n   */\n  get userdata() {\n    return this.jsonqlUserdata; // see base-cls\n  }\n\n  /**\n   * Return the token from session store\n   * @return {string} token\n   */\n  get rawAuthToken() {\n    // this should return from the base\n    return this.jsonqlToken; // see base-cls\n  }\n\n  /**\n   * Setter to add a decoder when retrieve user token\n   * @param {function} d a decoder\n   */\n  set setDecoder(d) {\n    if (typeof d === 'function') {\n      this.decoder = d;\n    }\n  }\n\n  /**\n   * Setter after login success\n   * @TODO this move to a new class to handle multiple login\n   * @param {string} token to store\n   * @return {*} success store\n   */\n  storeToken(token) {\n    return this.jsonqlToken = token;\n  }\n\n  /**\n   * for overwrite\n   * @param {string} token stored token\n   * @return {string} token\n   */\n  decoder(token) {\n    return token;\n  }\n\n  /**\n   * Construct the auth header\n   * @return {object} header\n   */\n  getAuthHeader() {\n    const token = this.rawAuthToken;\n    return token ? {[this.opts.AUTH_HEADER]: `${BEARER} ${token}`} : {};\n  }\n\n}\n","// this the core of the internal storage management\nimport { CREDENTIAL_STORAGE_KEY } from 'jsonql-constants'\nimport { isObject, isArray } from 'jsonql-params-validator'\nimport { JsonqlValidationError } from 'jsonql-errors'\n// chaining into the classes\nimport { localStore, sessionStore } from '../stores'\nimport { timestamp, inArray, ENDPOINT_TABLE, USERDATA_TABLE } from '../utils'\n\nimport AuthCls from './auth-cls'\n\n// This class will only focus on the storage system\nexport default class JsonqlBaseClient extends AuthCls {\n\n  constructor(opts, Fly = null) {\n    if (Fly) {\n      opts.Fly = Fly;\n    }\n    super(opts)\n  }\n\n  // @TODO\n  set storeIt(args) {\n    console.info('storeIt', args)\n    // the args MUST contain [0] the key , [1] the content [2] optional expired in\n    if (isArray(args) && args.length >= 2) {\n      Reflect.apply(localStore.set, localStore, args)\n    }\n    throw new JsonqlValidationError(`Expect argument to be array and least 2 items!`)\n  }\n\n  // this table index key will drive the contract\n  // also it should not allow to change dynamicly\n  // because this is how different client can id itself\n  // OK this could be self manage because when init a new client\n  // it will add a new endpoint and we will know if they are the same or not\n  // but the check here\n  set jsonqlEndpoint(endpoint) {\n    let urls = localStore.get(ENDPOINT_TABLE) || []\n    // should check if this url already existed?\n    if (!inArray(urls, endpoint)) {\n      urls.push(endpoint)\n      this.storeId = [ENDPOINT_TABLE, urls]\n      this[ENDPOINT_TABLE + 'Index'] = urls.length - 1;\n    }\n  }\n\n  // by the time it call the save contract already been checked\n  set jsonqlContract(args) {\n    const key = this.opts.storageKey;\n    let _args = [ key ]\n    let [ contract, expired ] = args;\n    // get the endpoint index\n    let contracts = localStore.get(key) || []\n    contracts[ this[ENDPOINT_TABLE + 'Index'] || 0 ] = contract;\n    _args.push(contracts)\n    if (expired) {\n      _args.push(expired)\n    }\n    if (this.opts.keepContract) {\n      this.storeIt = _args;\n    }\n  }\n\n  /**\n   * save token\n   * @param {string} token to store\n   * @return {string|boolean} false on failed\n   */\n  set jsonqlToken(token) {\n    const key = CREDENTIAL_STORAGE_KEY;\n    let tokens = localStorage.get(key) || []\n    if (!inArray(tokens, token)) {\n      let index = tokens.length - 1;\n      tokens[ index ] = token;\n      this[key + 'Index'] = index;\n      let args = [key, tokens]\n      if (this.opts.tokenExpired) {\n        const expired = parseFloat(this.opts.tokenExpired)\n        if (!isNaN(expired) && expired > 0) {\n          const ts = timestamp()\n          args.push( ts + parseFloat(expired) )\n        }\n      }\n      this.storeIt = args;\n      // now decode it and store in the userdata\n      this.jsonqlUserdata = this.decoder(token)\n      return token;\n    }\n    return false;\n  }\n\n  /**\n   * this one will use the sessionStore\n   * basically we hook this onto the token store and decode it to store here\n   */\n  set jsonqlUserdata(userdata) {\n    const args = [USERDATA_TABLE, userdata]\n    if (userdata.exp) {\n      args.push(userdata.exp)\n    }\n    return Reflect.apply(localStore.set, localStore, args)\n  }\n\n  /**\n   * This also manage the index internally\n   * There is NO need to store them in an array\n   * because each instance contain one end point\n   * @return {string} the end point to call\n   */\n  get jsonqlEndpoint() {\n    let urls = localStore.get(ENDPOINT_TABLE)\n    if (!urls) {\n      const { hostname, jsonqlPath } = this.opts;\n      let url = [hostname, jsonqlPath].join('/')\n      this.jsonqlEndpoint = url;\n      return url;\n    }\n    return urls[this[ENDPOINT_TABLE + 'Index']]\n  }\n\n  /**\n   * If already stored then return it by the end point index\n   * or false when there is none\n   * 1.2.0 start using the keepContract option (replace the useLocalStorage)\n   * @return {object|boolean} as described above\n   */\n  get jsonqlContract() {\n    const key = this.opts.storageKey\n    let contracts = localStore.get(key) || []\n    return contracts[ this[ENDPOINT_TABLE + 'Index'] ] || false\n  }\n\n  /**\n   * Jsonql token getter\n   * @return {string|boolean} false when failed\n   */\n  get jsonqlToken() {\n    const key = CREDENTIAL_STORAGE_KEY;\n    let tokens = localStorage.get(key)\n    if (tokens) {\n      return tokens[ this[key + 'Index'] ]\n    }\n    return false;\n  }\n\n  /**\n   * this one store in the session store\n   * get login userdata decoded jwt\n   * @return {object|null}\n   */\n  get jsonqlUserdata() {\n    return sessionStore.get(USERDATA_TABLE)\n  }\n\n  /**\n   * simple log\n   */\n  log(...args) {\n    if (this.opts.debugOn === true) {\n      Reflect.apply(console.info, console, args)\n    }\n  }\n\n}\n","// export interface\n// @public\nimport JsonqlBaseClient from './base-cls'\n\nexport default JsonqlBaseClient\n","// all the client configuration options here\nimport {\n  JSONQL_PATH,\n  CONTENT_TYPE,\n  BEARER,\n  CLIENT_STORAGE_KEY,\n  CLIENT_AUTH_KEY,\n  CONTRACT_KEY_NAME,\n  AUTH_HEADER,\n  ISSUER_NAME,\n  LOGOUT_NAME,\n  BOOLEAN_TYPE,\n  STRING_TYPE,\n  NUMBER_TYPE,\n  DEFAULT_HEADER\n} from 'jsonql-constants'\nimport { createConfig } from 'jsonql-params-validator'\nexport const constProps = {\n  contract: false,\n  MUTATION_ARGS: ['name', 'payload', 'conditions'], // this seems wrong?\n  CONTENT_TYPE,\n  BEARER,\n  AUTH_HEADER\n}\n\n// grab the localhost name and put into the hostname as default\nconst getHostName = () => (\n  [window.location.protocol, window.location.host].join('//')\n)\n\nexport const appProps = {\n\n  hostname: createConfig(getHostName(), [STRING_TYPE]), // required the hostname\n  jsonqlPath: createConfig(JSONQL_PATH, [STRING_TYPE]), // The path on the server\n\n  loginHandlerName: createConfig(ISSUER_NAME, [STRING_TYPE]),\n  logoutHandlerName: createConfig(LOGOUT_NAME, [STRING_TYPE]),\n  // add to koa v1.3.0 - this might remove in the future\n  enableJsonp: createConfig(false, [BOOLEAN_TYPE]),\n  enableAuth: createConfig(false, [BOOLEAN_TYPE]),\n  // enable useJwt by default\n  useJwt: createConfig(true, [BOOLEAN_TYPE]),\n\n   // the header\n   // v1.2.0 we are using this option during the dev\n   // so it won't save anything to the localstorage and fetch a new contract\n   // whenever the browser reload\n  useLocalstorage: createConfig(true, [BOOLEAN_TYPE]), // should we store the contract into localStorage\n  storageKey: createConfig(CLIENT_STORAGE_KEY, [STRING_TYPE]),// the key to use when store into localStorage\n  authKey: createConfig(CLIENT_AUTH_KEY, [STRING_TYPE]),// the key to use when store into the sessionStorage\n  contractExpired: createConfig(0, [NUMBER_TYPE]),// -1 always fetch contract,\n                      // 0 never expired,\n                      // > 0 then compare the timestamp with the current one to see if we need to get contract again\n  // useful during development\n  keepContract: createConfig(true, [BOOLEAN_TYPE]),\n  exposeContract: createConfig(false, [BOOLEAN_TYPE]),\n  // @1.2.1 new option for the contract-console to fetch the contract with description\n  showContractDesc: createConfig(false, [BOOLEAN_TYPE]),\n  contractKey: createConfig(false, [BOOLEAN_TYPE]), // if the server side is lock by the key you need this\n  contractKeyName: createConfig(CONTRACT_KEY_NAME, [STRING_TYPE]), // same as above they go in pairs\n  enableTimeout: createConfig(false, [BOOLEAN_TYPE]), // @TODO\n  timeout: createConfig(5000, [NUMBER_TYPE]), // 5 seconds\n  returnInstance: createConfig(false, [BOOLEAN_TYPE]),\n  allowReturnRawToken: createConfig(false, [BOOLEAN_TYPE]),\n  debugOn: createConfig(false, [BOOLEAN_TYPE])\n}\n","// This is for the sync version therefore we don't need to care about the contract options\nimport { appProps, constProps } from './base-options'\nimport { checkConfig } from 'jsonql-params-validator'\n\nexport default function checkOptions(config) {\n  return checkConfig(config, appProps, constProps)\n}\n","// export interface\nimport checkOptionsAsyncLocal from './check-options-async'\nimport checkOptionsLocal from './check-options'\nimport { CHECKED_KEY } from 'jsonql-constants'\n/**\n * 1.5.0 overload the orginal functions to pass over the check\n */\nfunction checkOptionsAsync(config) {\n  return config[CHECKED_KEY] ? config : checkOptionsAsyncLocal(config)\n}\n\nfunction checkOptions(config) {\n  return config[CHECKED_KEY] ? config : checkOptionsLocal(config)\n}\n\nexport {\n  checkOptionsAsync,\n  checkOptions\n}\n","/**\n * generate a 32bit hash based on the function.toString()\n * _from http://stackoverflow.com/questions/7616461/generate-a-hash-_from-string-in-javascript-jquery\n * @param {string} s the converted to string function\n * @return {string} the hashed function string\n */\nexport default function hashCode(s) {\n\treturn s.split(\"\").reduce(function(a,b){a=((a<<5)-a)+b.charCodeAt(0);return a&a},0)\n}\n","// making all the functionality on it's own\n// import { WatchClass } from './watch'\n\nexport default class SuspendClass {\n\n  constructor() {\n    // suspend, release and queue\n    this.__suspend__ = null;\n    this.queueStore = new Set()\n    /*\n    this.watch('suspend', function(value, prop, oldValue) {\n      this.logger(`${prop} set from ${oldValue} to ${value}`)\n      // it means it set the suspend = true then release it\n      if (oldValue === true && value === false) {\n        // we want this happen after the return happens\n        setTimeout(() => {\n          this.release()\n        }, 1)\n      }\n      return value; // we need to return the value to store it\n    })\n    */\n  }\n\n  /**\n   * setter to set the suspend and check if it's boolean value\n   * @param {boolean} value to trigger\n   */\n  set $suspend(value) {\n    if (typeof value === 'boolean') {\n      const lastValue = this.__suspend__;\n      this.__suspend__ = value;\n      this.logger('($suspend)', `Change from ${lastValue} --> ${value}`)\n      if (lastValue === true && value === false) {\n        setTimeout(() => {\n          this.release()\n        }, 1)\n      }\n    } else {\n      throw new Error(`$suspend only accept Boolean value!`)\n    }\n  }\n\n  /**\n   * queuing call up when it's in suspend mode\n   * @param {any} value\n   * @return {Boolean} true when added or false when it's not\n   */\n  $queue(...args) {\n    if (this.__suspend__ === true) {\n      this.logger('($queue)', 'added to $queue', args)\n      // there shouldn't be any duplicate ...\n      this.queueStore.add(args)\n    }\n    return this.__suspend__;\n  }\n\n  /**\n   * a getter to get all the store queue\n   * @return {array} Set turn into Array before return\n   */\n  get $queues() {\n    let size = this.queueStore.size;\n    this.logger('($queues)', `size: ${size}`)\n    if (size > 0) {\n      return Array.from(this.queueStore)\n    }\n    return []\n  }\n\n  /**\n   * Release the queue\n   * @return {int} size if any\n   */\n  release() {\n    let size = this.queueStore.size\n    this.logger('(release)', `Release was called ${size}`)\n    if (size > 0) {\n      const queue = Array.from(this.queueStore)\n      this.queueStore.clear()\n      this.logger('queue', queue)\n      queue.forEach(args => {\n        this.logger(args)\n        Reflect.apply(this.$trigger, this, args)\n      })\n      this.logger(`Release size ${this.queueStore.size}`)\n    }\n  }\n}\n","// break up the main file because its getting way too long\nimport {\n  NB_EVENT_SERVICE_PRIVATE_STORE,\n  NB_EVENT_SERVICE_PRIVATE_LAZY\n} from './store'\nimport genHaskKey from './hash-code'\nimport SuspendClass from './suspend'\n\nexport default class NbEventServiceBase extends SuspendClass {\n\n  constructor(config = {}) {\n    super()\n    if (config.logger && typeof config.logger === 'function') {\n      this.logger = config.logger;\n    }\n    this.keep = config.keep;\n    // for the $done setter\n    this.result = config.keep ? [] : null;\n    // we need to init the store first otherwise it could be a lot of checking later\n    this.normalStore = new Map()\n    this.lazyStore = new Map()\n  }\n\n  /**\n   * validate the event name(s)\n   * @param {string[]} evt event name\n   * @return {boolean} true when OK\n   */\n  validateEvt(...evt) {\n    evt.forEach(e => {\n      if (typeof e !== 'string') {\n        this.logger('(validateEvt)', e)\n        throw new Error(`event name must be string type!`)\n      }\n    })\n    return true;\n  }\n\n  /**\n   * Simple quick check on the two main parameters\n   * @param {string} evt event name\n   * @param {function} callback function to call\n   * @return {boolean} true when OK\n   */\n  validate(evt, callback) {\n    if (this.validateEvt(evt)) {\n      if (typeof callback === 'function') {\n        return true;\n      }\n    }\n    throw new Error(`callback required to be function type!`)\n  }\n\n  /**\n   * Check if this type is correct or not added in V1.5.0\n   * @param {string} type for checking\n   * @return {boolean} true on OK\n   */\n  validateType(type) {\n    const types = ['on', 'only', 'once', 'onlyOnce']\n    return !!types.filter(t => type === t).length;\n  }\n\n  /**\n   * Run the callback\n   * @param {function} callback function to execute\n   * @param {array} payload for callback\n   * @param {object} ctx context or null\n   * @return {void} the result store in $done\n   */\n  run(callback, payload, ctx) {\n    this.logger('(run)', callback, payload, ctx)\n    this.$done = Reflect.apply(callback, ctx, this.toArray(payload))\n  }\n\n  /**\n   * Take the content out and remove it from store id by the name\n   * @param {string} evt event name\n   * @param {string} [storeName = lazyStore] name of store\n   * @return {object|boolean} content or false on not found\n   */\n  takeFromStore(evt, storeName = 'lazyStore') {\n    let store = this[storeName]; // it could be empty at this point\n    if (store) {\n      this.logger('(takeFromStore)', storeName, store)\n      if (store.has(evt)) {\n        let content = store.get(evt)\n        this.logger('(takeFromStore)', `has ${evt}`, content)\n        store.delete(evt)\n        return content;\n      }\n      return false;\n    }\n    throw new Error(`${storeName} is not supported!`)\n  }\n\n  /**\n   * The add to store step is similar so make it generic for resuse\n   * @param {object} store which store to use\n   * @param {string} evt event name\n   * @param {spread} args because the lazy store and normal store store different things\n   * @return {array} store and the size of the store\n   */\n  addToStore(store, evt, ...args) {\n    let fnSet;\n    if (store.has(evt)) {\n      this.logger('(addToStore)', `${evt} existed`)\n      fnSet = store.get(evt)\n    } else {\n      this.logger('(addToStore)', `create new Set for ${evt}`)\n      // this is new\n      fnSet = new Set()\n    }\n    // lazy only store 2 items - this is not the case in V1.6.0 anymore\n    // we need to check the first parameter is string or not\n    if (args.length > 2) {\n      if (Array.isArray(args[0])) { // lazy store\n        // check if this type of this event already register in the lazy store\n        let [,,t] = args;\n        if (!this.checkTypeInLazyStore(evt, t)) {\n          fnSet.add(args)\n        }\n      } else {\n        if (!this.checkContentExist(args, fnSet)) {\n          this.logger('(addToStore)', `insert new`, args)\n          fnSet.add(args)\n        }\n      }\n    } else { // add straight to lazy store\n      fnSet.add(args)\n    }\n    store.set(evt, fnSet)\n    return [store, fnSet.size]\n  }\n\n  /**\n   * @param {array} args for compare\n   * @param {object} fnSet A Set to search from\n   * @return {boolean} true on exist\n   */\n  checkContentExist(args, fnSet) {\n    let list = Array.from(fnSet)\n    return !!list.filter(l => {\n      let [hash,] = l;\n      if (hash === args[0]) {\n        return true;\n      }\n      return false;\n    }).length;\n  }\n\n  /**\n   * get the existing type to make sure no mix type add to the same store\n   * @param {string} evtName event name\n   * @param {string} type the type to check\n   * @return {boolean} true you can add, false then you can't add this type\n   */\n  checkTypeInStore(evtName, type) {\n    this.validateEvt(evtName, type)\n    let all = this.$get(evtName, true)\n    if (all === false) {\n       // pristine it means you can add\n      return true;\n    }\n    // it should only have ONE type in ONE event store\n    return !all.filter(list => {\n      let [ ,,,t ] = list;\n      return type !== t;\n    }).length;\n  }\n\n  /**\n   * This is checking just the lazy store because the structure is different\n   * therefore we need to use a new method to check it\n   */\n  checkTypeInLazyStore(evtName, type) {\n    this.validateEvt(evtName, type)\n    let store = this.lazyStore.get(evtName)\n    this.logger('(checkTypeInLazyStore)', store)\n    if (store) {\n      return !!Array\n        .from(store)\n        .filter(l => {\n          let [,,t] = l;\n          return t !== type;\n        }).length\n    }\n    return false;\n  }\n\n  /**\n   * wrapper to re-use the addToStore,\n   * V1.3.0 add extra check to see if this type can add to this evt\n   * @param {string} evt event name\n   * @param {string} type on or once\n   * @param {function} callback function\n   * @param {object} context the context the function execute in or null\n   * @return {number} size of the store\n   */\n  addToNormalStore(evt, type, callback, context = null) {\n    this.logger('(addToNormalStore)', evt, type, 'try to add to normal store')\n    // @TODO we need to check the existing store for the type first!\n    if (this.checkTypeInStore(evt, type)) {\n      this.logger('(addToNormalStore)', `${type} can add to ${evt} normal store`)\n      let key = this.hashFnToKey(callback)\n      let args = [this.normalStore, evt, key, callback, context, type]\n      let [_store, size] = Reflect.apply(this.addToStore, this, args)\n      this.normalStore = _store;\n      return size;\n    }\n    return false;\n  }\n\n  /**\n   * Add to lazy store this get calls when the callback is not register yet\n   * so we only get a payload object or even nothing\n   * @param {string} evt event name\n   * @param {array} payload of arguments or empty if there is none\n   * @param {object} [context=null] the context the callback execute in\n   * @param {string} [type=false] register a type so no other type can add to this evt\n   * @return {number} size of the store\n   */\n  addToLazyStore(evt, payload = [], context = null, type = false) {\n    // this is add in V1.6.0\n    // when there is type then we will need to check if this already added in lazy store\n    // and no other type can add to this lazy store\n    let args = [this.lazyStore, evt, this.toArray(payload), context]\n    if (type) {\n      args.push(type)\n    }\n    let [_store, size] = Reflect.apply(this.addToStore, this, args)\n    this.lazyStore = _store;\n    return size;\n  }\n\n  /**\n   * make sure we store the argument correctly\n   * @param {*} arg could be array\n   * @return {array} make sured\n   */\n  toArray(arg) {\n    return Array.isArray(arg) ? arg : [arg];\n  }\n\n  /**\n   * setter to store the Set in private\n   * @param {object} obj a Set\n   */\n  set normalStore(obj) {\n    NB_EVENT_SERVICE_PRIVATE_STORE.set(this, obj)\n  }\n\n  /**\n   * @return {object} Set object\n   */\n  get normalStore() {\n    return NB_EVENT_SERVICE_PRIVATE_STORE.get(this)\n  }\n\n  /**\n   * setter to store the Set in lazy store\n   * @param {object} obj a Set\n   */\n  set lazyStore(obj) {\n    NB_EVENT_SERVICE_PRIVATE_LAZY.set(this , obj)\n  }\n\n  /**\n   * @return {object} the lazy store Set\n   */\n  get lazyStore() {\n    return NB_EVENT_SERVICE_PRIVATE_LAZY.get(this)\n  }\n\n  /**\n   * generate a hashKey to identify the function call\n   * The build-in store some how could store the same values!\n   * @param {function} fn the converted to string function\n   * @return {string} hashKey\n   */\n  hashFnToKey(fn) {\n    return genHaskKey(fn.toString()) + '';\n  }\n}\n","// The top level\nimport NbStoreService from './store-service'\n// export\nexport default class EventService extends NbStoreService {\n  /**\n   * class constructor\n   */\n  constructor(config = {}) {\n    super(config)\n  }\n\n  /**\n   * logger function for overwrite\n   */\n  logger() {}\n\n  //////////////////////////\n  //    PUBLIC METHODS    //\n  //////////////////////////\n\n  /**\n   * Register your evt handler, note we don't check the type here,\n   * we expect you to be sensible and know what you are doing.\n   * @param {string} evt name of event\n   * @param {function} callback bind method --> if it's array or not\n   * @param {object} [context=null] to execute this call in\n   * @return {number} the size of the store\n   */\n  $on(evt , callback , context = null) {\n    const type = 'on';\n    this.validate(evt, callback)\n    // first need to check if this evt is in lazy store\n    let lazyStoreContent = this.takeFromStore(evt)\n    // this is normal register first then call later\n    if (lazyStoreContent === false) {\n      this.logger('($on)', `${evt} callback is not in lazy store`)\n      // @TODO we need to check if there was other listener to this\n      // event and are they the same type then we could solve that\n      // register the different type to the same event name\n\n      return this.addToNormalStore(evt, type, callback, context)\n    }\n    this.logger('($on)', `${evt} found in lazy store`)\n    // this is when they call $trigger before register this callback\n    let size = 0;\n    lazyStoreContent.forEach(content => {\n      let [ payload, ctx, t ] = content;\n      if (t && t !== type) {\n        throw new Error(`You are trying to register an event already been taken by other type: ${t}`)\n      }\n      this.logger(`($on)`, `call run on ${evt}`)\n      this.run(callback, payload, context || ctx)\n      size += this.addToNormalStore(evt, type, callback, context || ctx)\n    })\n    return size;\n  }\n\n  /**\n   * once only registered it once, there is no overwrite option here\n   * @NOTE change in v1.3.0 $once can add multiple listeners\n   *       but once the event fired, it will remove this event (see $only)\n   * @param {string} evt name\n   * @param {function} callback to execute\n   * @param {object} [context=null] the handler execute in\n   * @return {boolean} result\n   */\n  $once(evt , callback , context = null) {\n    this.validate(evt, callback)\n    const type = 'once';\n    let lazyStoreContent = this.takeFromStore(evt)\n    // this is normal register before call $trigger\n    let nStore = this.normalStore;\n    if (lazyStoreContent === false) {\n      this.logger('($once)', `${evt} not in the lazy store`)\n      // v1.3.0 $once now allow to add multiple listeners\n      return this.addToNormalStore(evt, type, callback, context)\n    } else {\n      // now this is the tricky bit\n      // there is a potential bug here that cause by the developer\n      // if they call $trigger first, the lazy won't know it's a once call\n      // so if in the middle they register any call with the same evt name\n      // then this $once call will be fucked - add this to the documentation\n      this.logger('($once)', lazyStoreContent)\n      const list = Array.from(lazyStoreContent)\n      // should never have more than 1\n      const [ payload, ctx, t ] = list[0]\n      if (t && t !== type) {\n        throw new Error(`You are trying to register an event already been taken by other type: ${t}`)\n      }\n      this.logger('($once)', `call run for ${evt}`)\n      this.run(callback, payload, context || ctx)\n      // remove this evt from store\n      this.$off(evt)\n    }\n  }\n\n  /**\n   * This one event can only bind one callbackback\n   * @param {string} evt event name\n   * @param {function} callback event handler\n   * @param {object} [context=null] the context the event handler execute in\n   * @return {boolean} true bind for first time, false already existed\n   */\n  $only(evt, callback, context = null) {\n    this.validate(evt, callback)\n    const type = 'only';\n    let added = false;\n    let lazyStoreContent = this.takeFromStore(evt)\n    // this is normal register before call $trigger\n    let nStore = this.normalStore;\n    if (!nStore.has(evt)) {\n      this.logger(`($only)`, `${evt} add to store`)\n      added = this.addToNormalStore(evt, type, callback, context)\n    }\n    if (lazyStoreContent !== false) {\n      // there are data store in lazy store\n      this.logger('($only)', `${evt} found data in lazy store to execute`)\n      const list = Array.from(lazyStoreContent)\n      // $only allow to trigger this multiple time on the single handler\n      list.forEach( l => {\n        const [ payload, ctx, t ] = l;\n        if (t && t !== type) {\n          throw new Error(`You are trying to register an event already been taken by other type: ${t}`)\n        }\n        this.logger(`($only)`, `call run for ${evt}`)\n        this.run(callback, payload, context || ctx)\n      })\n    }\n    return added;\n  }\n\n  /**\n   * $only + $once this is because I found a very subtile bug when we pass a\n   * resolver, rejecter - and it never fire because that's OLD added in v1.4.0\n   * @param {string} evt event name\n   * @param {function} callback to call later\n   * @param {object} [context=null] exeucte context\n   * @return {void}\n   */\n  $onlyOnce(evt, callback, context = null) {\n    this.validate(evt, callback)\n    const type = 'onlyOnce';\n    let added = false;\n    let lazyStoreContent = this.takeFromStore(evt)\n    // this is normal register before call $trigger\n    let nStore = this.normalStore;\n    if (!nStore.has(evt)) {\n      this.logger(`($onlyOnce)`, `${evt} add to store`)\n      added = this.addToNormalStore(evt, type, callback, context)\n    }\n    if (lazyStoreContent !== false) {\n      // there are data store in lazy store\n      this.logger('($onlyOnce)', lazyStoreContent)\n      const list = Array.from(lazyStoreContent)\n      // should never have more than 1\n      const [ payload, ctx, t ] = list[0]\n      if (t && t !== 'onlyOnce') {\n        throw new Error(`You are trying to register an event already been taken by other type: ${t}`)\n      }\n      this.logger(`($onlyOnce)`, `call run for ${evt}`)\n      this.run(callback, payload, context || ctx)\n      // remove this evt from store\n      this.$off(evt)\n    }\n    return added;\n  }\n\n  /**\n   * This is a shorthand of $off + $on added in V1.5.0\n   * @param {string} evt event name\n   * @param {function} callback to exeucte\n   * @param {object} [context = null] or pass a string as type\n   * @param {string} [type=on] what type of method to replace\n   * @return {}\n   */\n  $replace(evt, callback, context = null, type = 'on') {\n    if (this.validateType(type)) {\n      this.$off(evt)\n      let method = this['$' + type]\n      this.logger(`($replace)`, evt, callback)\n      return Reflect.apply(method, this, [evt, callback, context])\n    }\n    throw new Error(`${type} is not supported!`)\n  }\n\n  /**\n   * trigger the event\n   * @param {string} evt name NOT allow array anymore!\n   * @param {mixed} [payload = []] pass to fn\n   * @param {object|string} [context = null] overwrite what stored\n   * @param {string} [type=false] if pass this then we need to add type to store too\n   * @return {number} if it has been execute how many times\n   */\n  $trigger(evt , payload = [] , context = null, type = false) {\n    this.validateEvt(evt)\n    let found = 0;\n    // first check the normal store\n    let nStore = this.normalStore;\n    this.logger('($trigger)', 'normalStore', nStore)\n    if (nStore.has(evt)) {\n      // @1.8.0 to add the suspend queue\n      let added = this.$queue(evt, payload, context, type)\n      this.logger('($trigger)', evt, 'found; add to queue: ', added)\n      if (added === true) {\n        this.logger('($trigger)', evt, 'not executed. Exit now.')\n        return false; // not executed\n      }\n      let nSet = Array.from(nStore.get(evt))\n      let ctn = nSet.length;\n      let hasOnce = false;\n      let hasOnly = false;\n      for (let i=0; i < ctn; ++i) {\n        ++found;\n        // this.logger('found', found)\n        let [ _, callback, ctx, type ] = nSet[i]\n        this.logger(`($trigger)`, `call run for ${evt}`)\n        this.run(callback, payload, context || ctx)\n        if (type === 'once' || type === 'onlyOnce') {\n          hasOnce = true;\n        }\n      }\n      if (hasOnce) {\n        nStore.delete(evt)\n      }\n      return found;\n    }\n    // now this is not register yet\n    this.addToLazyStore(evt, payload, context, type)\n    return found;\n  }\n\n  /**\n   * this is an alias to the $trigger\n   * @NOTE breaking change in V1.6.0 we swap the parameter around\n   * @param {string} evt event name\n   * @param {*} params pass to the callback\n   * @param {string} type of call\n   * @param {object} context what context callback execute in\n   * @return {*} from $trigger\n   */\n  $call(evt, params, type = false, context = null) {\n    let args = [evt, params, context, type]\n    return Reflect.apply(this.$trigger, this, args)\n  }\n\n  /**\n   * remove the evt from all the stores\n   * @param {string} evt name\n   * @return {boolean} true actually delete something\n   */\n  $off(evt) {\n    this.validateEvt(evt)\n    let stores = [ this.lazyStore, this.normalStore ]\n    let found = false;\n    stores.forEach(store => {\n      if (store.has(evt)) {\n        found = true;\n        this.logger('($off)', evt)\n        store.delete(evt)\n      }\n    })\n    return found;\n  }\n\n  /**\n   * return all the listener from the event\n   * @param {string} evtName event name\n   * @param {boolean} [full=false] if true then return the entire content\n   * @return {array|boolean} listerner(s) or false when not found\n   */\n  $get(evt, full = false) {\n    this.validateEvt(evt)\n    let store = this.normalStore;\n    if (store.has(evt)) {\n      return Array\n        .from(store.get(evt))\n        .map( l => {\n          if (full) {\n            return l;\n          }\n          let [key, callback, ] = l;\n          return callback;\n        })\n    }\n    return false;\n  }\n\n  /**\n   * store the return result from the run\n   * @param {*} value whatever return from callback\n   */\n  set $done(value) {\n    this.logger('($done)', 'value: ', value)\n    if (this.keep) {\n      this.result.push(value)\n    } else {\n      this.result = value;\n    }\n  }\n\n  /**\n   * @TODO is there any real use with the keep prop?\n   * getter for $done\n   * @return {*} whatever last store result\n   */\n  get $done() {\n    if (this.keep) {\n      this.logger('(get $done)', this.result)\n      return this.result[this.result.length - 1]\n    }\n    return this.result;\n  }\n\n\n}\n","// default\nimport NBEventService from './src/event-service'\n\nexport default NBEventService\n","// this will generate a event emitter and will be use everywhere\nimport NBEventService from 'nb-event-service'\n// output\nexport default function(debugOn) {\n  let logger = debugOn ? (...args) => {\n    args.unshift('[NBS]')\n    console.log.apply(null, args)\n  }: undefined;\n  return new NBEventService({ logger })\n}\n","// this is the new Event base interface\n// the export will be different and purposely design for framework that\n// is very hard to use Promise such as Vue\nimport jsonqlStaticGenerator from './core/jsonql-static-generator'\nimport JsonqlBaseClient from './base'\nimport { checkOptions } from './options'\nimport { getContractFromConfig } from './utils'\nimport getEventEmitter from './ee'\n/**\n * this is the slim client without Fly, you pick the version of Fly to use\n * This is a breaking change because it swap the input positions\n * @param {object} Fly fly.js\n * @param {object} config configuration\n * @return {object} the jsonql client instance\n */\nexport default function jsonqlStaticClient(Fly, config = {}) {\n  const { contract } = config;\n  const opts = checkOptions(config)\n  const jsonqlBase = new JsonqlBaseClient(opts, Fly)\n  const contractPromise = getContractFromConfig(jsonqlBase, contract)\n  const ee = getEventEmitter(opts.debugOn)\n  // finally\n  let methods = jsonqlStaticGenerator(jsonqlBase, opts, contractPromise, ee)\n  methods.eventEmitter = ee;\n  return methods;\n}\n","// This is the static version that build with the Fly for Browser\nimport Fly from 'flyio/dist/npm/fly'\nimport jsonqlStaticClient from './static'\n\n// this is the slim client without Fly\nexport default function jsonqlStaticClientFull(config = {}) {\n  return jsonqlStaticClient(Fly, config)\n}\n"],"names":[],"mappings":";;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CAAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;ACAA;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;CCAA;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;"}
\ No newline at end of file
diff --git a/packages/http-client/dist/jsonql-client.umd.js b/packages/http-client/dist/jsonql-client.umd.js
index ef04c413c634182603d71d272c10ae55ab32a1aa..11f900fa3913c1560c4cf881d814f02b74ef3424 100644
--- a/packages/http-client/dist/jsonql-client.umd.js
+++ b/packages/http-client/dist/jsonql-client.umd.js
@@ -1,2 +1,9831 @@
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this.logger("($queues)","size: "+t),t>0?Array.from(this.queueStore):[]},iu.prototype.release=function(){var t=this,e=this.queueStore.size;if(this.logger("(release)","Release was called "+e),e>0){var r=Array.from(this.queueStore);this.queueStore.clear(),this.logger("queue",r),r.forEach((function(e){t.logger(e),Reflect.apply(t.$trigger,t,e)})),this.logger("Release size "+this.queueStore.size)}},Object.defineProperties(iu.prototype,au);var uu=function(t){function e(e){void 0===e&&(e={}),t.call(this,e)}t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e;var r={$done:{configurable:!0}};return e.prototype.logger=function(){},e.prototype.$on=function(t,e,r){var n=this;void 0===r&&(r=null);this.validate(t,e);var o=this.takeFromStore(t);if(!1===o)return this.logger("($on)",t+" callback is not in lazy store"),this.addToNormalStore(t,"on",e,r);this.logger("($on)",t+" found in lazy store");var i=0;return o.forEach((function(o){var a=o[0],u=o[1],c=o[2];if(c&&"on"!==c)throw new Error("You are trying to register an event already been taken by other type: "+c);n.logger("($on)","call run on "+t),n.run(e,a,r||u),i+=n.addToNormalStore(t,"on",e,r||u)})),i},e.prototype.$once=function(t,e,r){void 0===r&&(r=null),this.validate(t,e);var n=this.takeFromStore(t);this.normalStore;if(!1===n)return this.logger("($once)",t+" not in the lazy store"),this.addToNormalStore(t,"once",e,r);this.logger("($once)",n);var o=Array.from(n)[0],i=o[0],a=o[1],u=o[2];if(u&&"once"!==u)throw new Error("You are trying to register an event already been taken by other type: "+u);this.logger("($once)","call run for "+t),this.run(e,i,r||a),this.$off(t)},e.prototype.$only=function(t,e,r){var n=this;void 0===r&&(r=null),this.validate(t,e);var o=!1,i=this.takeFromStore(t);(this.normalStore.has(t)||(this.logger("($only)",t+" add to store"),o=this.addToNormalStore(t,"only",e,r)),!1!==i)&&(this.logger("($only)",t+" found data in lazy store to execute"),Array.from(i).forEach((function(o){var i=o[0],a=o[1],u=o[2];if(u&&"only"!==u)throw new Error("You are trying to register an event already been taken by other type: "+u);n.logger("($only)","call run for "+t),n.run(e,i,r||a)})));return o},e.prototype.$onlyOnce=function(t,e,r){void 0===r&&(r=null),this.validate(t,e);var n=!1,o=this.takeFromStore(t);if(this.normalStore.has(t)||(this.logger("($onlyOnce)",t+" add to store"),n=this.addToNormalStore(t,"onlyOnce",e,r)),!1!==o){this.logger("($onlyOnce)",o);var i=Array.from(o)[0],a=i[0],u=i[1],c=i[2];if(c&&"onlyOnce"!==c)throw new Error("You are trying to register an event already been taken by other type: "+c);this.logger("($onlyOnce)","call run for "+t),this.run(e,a,r||u),this.$off(t)}return n},e.prototype.$replace=function(t,e,r,n){if(void 0===r&&(r=null),void 0===n&&(n="on"),this.validateType(n)){this.$off(t);var o=this["$"+n];return this.logger("($replace)",t,e),Reflect.apply(o,this,[t,e,r])}throw new Error(n+" is not supported!")},e.prototype.$trigger=function(t,e,r,n){void 0===e&&(e=[]),void 0===r&&(r=null),void 0===n&&(n=!1),this.validateEvt(t);var o=0,i=this.normalStore;if(this.logger("($trigger)","normalStore",i),i.has(t)){var a=this.$queue(t,e,r,n);if(this.logger("($trigger)",t,"found; add to queue: ",a),!0===a)return this.logger("($trigger)",t,"not executed. Exit now."),!1;for(var u=Array.from(i.get(t)),c=u.length,s=!1,f=0;f<c;++f){++o;var l=u[f],p=(l[0],l[1]),h=l[2],d=l[3];this.logger("($trigger)","call run for "+t),this.run(p,e,r||h),"once"!==d&&"onlyOnce"!==d||(s=!0)}return s&&i.delete(t),o}return this.addToLazyStore(t,e,r,n),o},e.prototype.$call=function(t,e,r,n){void 0===r&&(r=!1),void 0===n&&(n=null);var o=[t,e,n,r];return Reflect.apply(this.$trigger,this,o)},e.prototype.$off=function(t){var e=this;this.validateEvt(t);var r=[this.lazyStore,this.normalStore],n=!1;return r.forEach((function(r){r.has(t)&&(n=!0,e.logger("($off)",t),r.delete(t))})),n},e.prototype.$get=function(t,e){void 0===e&&(e=!1),this.validateEvt(t);var r=this.normalStore;return!!r.has(t)&&Array.from(r.get(t)).map((function(t){if(e)return t;t[0];return t[1]}))},r.$done.set=function(t){this.logger("($done)","value: ",t),this.keep?this.result.push(t):this.result=t},r.$done.get=function(){return this.keep?(this.logger("(get $done)",this.result),this.result[this.result.length-1]):this.result},Object.defineProperties(e.prototype,r),e}(function(t){function e(e){void 0===e&&(e={}),t.call(this),e.logger&&"function"==typeof e.logger&&(this.logger=e.logger),this.keep=e.keep,this.result=e.keep?[]:null,this.normalStore=new Map,this.lazyStore=new Map}t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e;var r={normalStore:{configurable:!0},lazyStore:{configurable:!0}};return e.prototype.validateEvt=function(){for(var t=this,e=[],r=arguments.length;r--;)e[r]=arguments[r];return e.forEach((function(e){if("string"!=typeof e)throw t.logger("(validateEvt)",e),new Error("event name must be string type!")})),!0},e.prototype.validate=function(t,e){if(this.validateEvt(t)&&"function"==typeof e)return!0;throw new Error("callback required to be function type!")},e.prototype.validateType=function(t){return!!["on","only","once","onlyOnce"].filter((function(e){return t===e})).length},e.prototype.run=function(t,e,r){this.logger("(run)",t,e,r),this.$done=Reflect.apply(t,r,this.toArray(e))},e.prototype.takeFromStore=function(t,e){void 0===e&&(e="lazyStore");var r=this[e];if(r){if(this.logger("(takeFromStore)",e,r),r.has(t)){var n=r.get(t);return this.logger("(takeFromStore)","has "+t,n),r.delete(t),n}return!1}throw new Error(e+" is not supported!")},e.prototype.addToStore=function(t,e){for(var r,n=[],o=arguments.length-2;o-- >0;)n[o]=arguments[o+2];if(t.has(e)?(this.logger("(addToStore)",e+" existed"),r=t.get(e)):(this.logger("(addToStore)","create new Set for "+e),r=new Set),n.length>2)if(Array.isArray(n[0])){var i=n[2];this.checkTypeInLazyStore(e,i)||r.add(n)}else this.checkContentExist(n,r)||(this.logger("(addToStore)","insert new",n),r.add(n));else r.add(n);return t.set(e,r),[t,r.size]},e.prototype.checkContentExist=function(t,e){return!!Array.from(e).filter((function(e){return e[0]===t[0]})).length},e.prototype.checkTypeInStore=function(t,e){this.validateEvt(t,e);var r=this.$get(t,!0);return!1===r||!r.filter((function(t){var r=t[3];return e!==r})).length},e.prototype.checkTypeInLazyStore=function(t,e){this.validateEvt(t,e);var r=this.lazyStore.get(t);return this.logger("(checkTypeInLazyStore)",r),!!r&&!!Array.from(r).filter((function(t){return t[2]!==e})).length},e.prototype.addToNormalStore=function(t,e,r,n){if(void 0===n&&(n=null),this.logger("(addToNormalStore)",t,e,"try to add to normal store"),this.checkTypeInStore(t,e)){this.logger("(addToNormalStore)",e+" can add to "+t+" normal store");var o=this.hashFnToKey(r),i=[this.normalStore,t,o,r,n,e],a=Reflect.apply(this.addToStore,this,i),u=a[0],c=a[1];return this.normalStore=u,c}return!1},e.prototype.addToLazyStore=function(t,e,r,n){void 0===e&&(e=[]),void 0===r&&(r=null),void 0===n&&(n=!1);var o=[this.lazyStore,t,this.toArray(e),r];n&&o.push(n);var i=Reflect.apply(this.addToStore,this,o),a=i[0],u=i[1];return this.lazyStore=a,u},e.prototype.toArray=function(t){return Array.isArray(t)?t:[t]},r.normalStore.set=function(t){nu.set(this,t)},r.normalStore.get=function(){return nu.get(this)},r.lazyStore.set=function(t){ou.set(this,t)},r.lazyStore.get=function(){return ou.get(this)},e.prototype.hashFnToKey=function(t){return t.toString().split("").reduce((function(t,e){return(t=(t<<5)-t+e.charCodeAt(0))&t}),0)+""},Object.defineProperties(e.prototype,r),e}(iu));function cu(t,e){var r;return ru((r=e.debugOn,new uu({logger:r?function(){for(var t=[],e=arguments.length;e--;)t[e]=arguments[e];t.unshift("[NBS]"),console.log.apply(null,t)}:void 0})),e,t)}return function(t){return void 0===t&&(t={}),cu(o,t)}}));
+(function (global, factory) {
+	typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
+	typeof define === 'function' && define.amd ? define(factory) :
+	(global = global || self, global.jsonqlClient = factory());
+}(this, (function () { 'use strict';
+
+	var commonjsGlobal = typeof globalThis !== 'undefined' ? globalThis : typeof window !== 'undefined' ? window : typeof global !== 'undefined' ? global : typeof self !== 'undefined' ? self : {};
+
+	function unwrapExports (x) {
+		return x && x.__esModule && Object.prototype.hasOwnProperty.call(x, 'default') ? x['default'] : x;
+	}
+
+	function createCommonjsModule(fn, module) {
+		return module = { exports: {} }, fn(module, module.exports), module.exports;
+	}
+
+	var fly = createCommonjsModule(function (module, exports) {
+	(function webpackUniversalModuleDefinition(root, factory) {
+		{ module.exports = factory(); }
+	})(commonjsGlobal, function() {
+	return /******/ (function(modules) { // webpackBootstrap
+	/******/ 	// The module cache
+	/******/ 	var installedModules = {};
+	/******/
+	/******/ 	// The require function
+	/******/ 	function __webpack_require__(moduleId) {
+	/******/
+	/******/ 		// Check if module is in cache
+	/******/ 		if(installedModules[moduleId]) {
+	/******/ 			return installedModules[moduleId].exports;
+	/******/ 		}
+	/******/ 		// Create a new module (and put it into the cache)
+	/******/ 		var module = installedModules[moduleId] = {
+	/******/ 			i: moduleId,
+	/******/ 			l: false,
+	/******/ 			exports: {}
+	/******/ 		};
+	/******/
+	/******/ 		// Execute the module function
+	/******/ 		modules[moduleId].call(module.exports, module, module.exports, __webpack_require__);
+	/******/
+	/******/ 		// Flag the module as loaded
+	/******/ 		module.l = true;
+	/******/
+	/******/ 		// Return the exports of the module
+	/******/ 		return module.exports;
+	/******/ 	}
+	/******/
+	/******/
+	/******/ 	// expose the modules object (__webpack_modules__)
+	/******/ 	__webpack_require__.m = modules;
+	/******/
+	/******/ 	// expose the module cache
+	/******/ 	__webpack_require__.c = installedModules;
+	/******/
+	/******/ 	// identity function for calling harmony imports with the correct context
+	/******/ 	__webpack_require__.i = function(value) { return value; };
+	/******/
+	/******/ 	// define getter function for harmony exports
+	/******/ 	__webpack_require__.d = function(exports, name, getter) {
+	/******/ 		if(!__webpack_require__.o(exports, name)) {
+	/******/ 			Object.defineProperty(exports, name, {
+	/******/ 				configurable: false,
+	/******/ 				enumerable: true,
+	/******/ 				get: getter
+	/******/ 			});
+	/******/ 		}
+	/******/ 	};
+	/******/
+	/******/ 	// getDefaultExport function for compatibility with non-harmony modules
+	/******/ 	__webpack_require__.n = function(module) {
+	/******/ 		var getter = module && module.__esModule ?
+	/******/ 			function getDefault() { return module['default']; } :
+	/******/ 			function getModuleExports() { return module; };
+	/******/ 		__webpack_require__.d(getter, 'a', getter);
+	/******/ 		return getter;
+	/******/ 	};
+	/******/
+	/******/ 	// Object.prototype.hasOwnProperty.call
+	/******/ 	__webpack_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };
+	/******/
+	/******/ 	// __webpack_public_path__
+	/******/ 	__webpack_require__.p = "";
+	/******/
+	/******/ 	// Load entry module and return exports
+	/******/ 	return __webpack_require__(__webpack_require__.s = 2);
+	/******/ })
+	/************************************************************************/
+	/******/ ([
+	/* 0 */
+	/***/ (function(module, exports, __webpack_require__) {
+
+
+	var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
+
+	module.exports = {
+	    type: function type(ob) {
+	        return Object.prototype.toString.call(ob).slice(8, -1).toLowerCase();
+	    },
+	    isObject: function isObject(ob, real) {
+	        if (real) {
+	            return this.type(ob) === "object";
+	        } else {
+	            return ob && (typeof ob === 'undefined' ? 'undefined' : _typeof(ob)) === 'object';
+	        }
+	    },
+	    isFormData: function isFormData(val) {
+	        return typeof FormData !== 'undefined' && val instanceof FormData;
+	    },
+	    trim: function trim(str) {
+	        return str.replace(/(^\s*)|(\s*$)/g, '');
+	    },
+	    encode: function encode(val) {
+	        return encodeURIComponent(val).replace(/%40/gi, '@').replace(/%3A/gi, ':').replace(/%24/g, '$').replace(/%2C/gi, ',').replace(/%20/g, '+').replace(/%5B/gi, '[').replace(/%5D/gi, ']');
+	    },
+	    formatParams: function formatParams(data) {
+	        var str = "";
+	        var first = true;
+	        var that = this;
+	        if (!this.isObject(data)) {
+	            return data;
+	        }
+
+	        function _encode(sub, path) {
+	            var encode = that.encode;
+	            var type = that.type(sub);
+	            if (type == "array") {
+	                sub.forEach(function (e, i) {
+	                    if (!that.isObject(e)) { i = ""; }
+	                    _encode(e, path + ('%5B' + i + '%5D'));
+	                });
+	            } else if (type == "object") {
+	                for (var key in sub) {
+	                    if (path) {
+	                        _encode(sub[key], path + "%5B" + encode(key) + "%5D");
+	                    } else {
+	                        _encode(sub[key], encode(key));
+	                    }
+	                }
+	            } else {
+	                if (!first) {
+	                    str += "&";
+	                }
+	                first = false;
+	                str += path + "=" + encode(sub);
+	            }
+	        }
+
+	        _encode(data, "");
+	        return str;
+	    },
+
+	    // Do not overwrite existing attributes
+	    merge: function merge(a, b) {
+	        for (var key in b) {
+	            if (!a.hasOwnProperty(key)) {
+	                a[key] = b[key];
+	            } else if (this.isObject(b[key], 1) && this.isObject(a[key], 1)) {
+	                this.merge(a[key], b[key]);
+	            }
+	        }
+	        return a;
+	    }
+	};
+
+	/***/ }),
+	/* 1 */,
+	/* 2 */
+	/***/ (function(module, exports, __webpack_require__) {
+
+	var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) { descriptor.writable = true; } Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) { defineProperties(Constructor.prototype, protoProps); } if (staticProps) { defineProperties(Constructor, staticProps); } return Constructor; }; }();
+
+	function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+	var utils = __webpack_require__(0);
+	var isBrowser = typeof document !== "undefined";
+
+	var Fly = function () {
+	    function Fly(engine) {
+	        _classCallCheck(this, Fly);
+
+	        this.engine = engine || XMLHttpRequest;
+
+	        this.default = this; //For typeScript
+
+	        /**
+	         * Add  lock/unlock API for interceptor.
+	         *
+	         * Once an request/response interceptor is locked, the incoming request/response
+	         * will be added to a queue before they enter the interceptor, they will not be
+	         * continued  until the interceptor is unlocked.
+	         *
+	         * @param [interceptor] either is interceptors.request or interceptors.response
+	         */
+	        function wrap(interceptor) {
+	            var resolve = void 0;
+	            var reject = void 0;
+
+	            function _clear() {
+	                interceptor.p = resolve = reject = null;
+	            }
+
+	            utils.merge(interceptor, {
+	                lock: function lock() {
+	                    if (!resolve) {
+	                        interceptor.p = new Promise(function (_resolve, _reject) {
+	                            resolve = _resolve;
+	                            reject = _reject;
+	                        });
+	                    }
+	                },
+	                unlock: function unlock() {
+	                    if (resolve) {
+	                        resolve();
+	                        _clear();
+	                    }
+	                },
+	                clear: function clear() {
+	                    if (reject) {
+	                        reject("cancel");
+	                        _clear();
+	                    }
+	                }
+	            });
+	        }
+
+	        var interceptors = this.interceptors = {
+	            response: {
+	                use: function use(handler, onerror) {
+	                    this.handler = handler;
+	                    this.onerror = onerror;
+	                }
+	            },
+	            request: {
+	                use: function use(handler) {
+	                    this.handler = handler;
+	                }
+	            }
+	        };
+
+	        var irq = interceptors.request;
+	        var irp = interceptors.response;
+	        wrap(irp);
+	        wrap(irq);
+
+	        this.config = {
+	            method: "GET",
+	            baseURL: "",
+	            headers: {},
+	            timeout: 0,
+	            params: {}, // Default Url params
+	            parseJson: true, // Convert response data to JSON object automatically.
+	            withCredentials: false
+	        };
+	    }
+
+	    _createClass(Fly, [{
+	        key: "request",
+	        value: function request(url, data, options) {
+	            var _this = this;
+
+	            var engine = new this.engine();
+	            var contentType = "Content-Type";
+	            var contentTypeLowerCase = contentType.toLowerCase();
+	            var interceptors = this.interceptors;
+	            var requestInterceptor = interceptors.request;
+	            var responseInterceptor = interceptors.response;
+	            var requestInterceptorHandler = requestInterceptor.handler;
+	            var promise = new Promise(function (resolve, reject) {
+	                if (utils.isObject(url)) {
+	                    options = url;
+	                    url = options.url;
+	                }
+	                options = options || {};
+	                options.headers = options.headers || {};
+
+	                function isPromise(p) {
+	                    // some  polyfill implementation of Promise may be not standard,
+	                    // so, we test by duck-typing
+	                    return p && p.then && p.catch;
+	                }
+
+	                /**
+	                 * If the request/response interceptor has been locked，
+	                 * the new request/response will enter a queue. otherwise, it will be performed directly.
+	                 * @param [promise] if the promise exist, means the interceptor is  locked.
+	                 * @param [callback]
+	                 */
+	                function enqueueIfLocked(promise, callback) {
+	                    if (promise) {
+	                        promise.then(function () {
+	                            callback();
+	                        });
+	                    } else {
+	                        callback();
+	                    }
+	                }
+
+	                // make the http request
+	                function makeRequest(options) {
+	                    data = options.body;
+	                    // Normalize the request url
+	                    url = utils.trim(options.url);
+	                    var baseUrl = utils.trim(options.baseURL || "");
+	                    if (!url && isBrowser && !baseUrl) { url = location.href; }
+	                    if (url.indexOf("http") !== 0) {
+	                        var isAbsolute = url[0] === "/";
+	                        if (!baseUrl && isBrowser) {
+	                            var arr = location.pathname.split("/");
+	                            arr.pop();
+	                            baseUrl = location.protocol + "//" + location.host + (isAbsolute ? "" : arr.join("/"));
+	                        }
+	                        if (baseUrl[baseUrl.length - 1] !== "/") {
+	                            baseUrl += "/";
+	                        }
+	                        url = baseUrl + (isAbsolute ? url.substr(1) : url);
+	                        if (isBrowser) {
+
+	                            // Normalize the url which contains the ".." or ".", such as
+	                            // "http://xx.com/aa/bb/../../xx" to "http://xx.com/xx" .
+	                            var t = document.createElement("a");
+	                            t.href = url;
+	                            url = t.href;
+	                        }
+	                    }
+
+	                    var responseType = utils.trim(options.responseType || "");
+	                    var needQuery = ["GET", "HEAD", "DELETE", "OPTION"].indexOf(options.method) !== -1;
+	                    var dataType = utils.type(data);
+	                    var params = options.params || {};
+
+	                    // merge url params when the method is "GET" (data is object)
+	                    if (needQuery && dataType === "object") {
+	                        params = utils.merge(data, params);
+	                    }
+	                    // encode params to String
+	                    params = utils.formatParams(params);
+
+	                    // save url params
+	                    var _params = [];
+	                    if (params) {
+	                        _params.push(params);
+	                    }
+	                    // Add data to url params when the method is "GET" (data is String)
+	                    if (needQuery && data && dataType === "string") {
+	                        _params.push(data);
+	                    }
+
+	                    // make the final url
+	                    if (_params.length > 0) {
+	                        url += (url.indexOf("?") === -1 ? "?" : "&") + _params.join("&");
+	                    }
+
+	                    engine.open(options.method, url);
+
+	                    // try catch for ie >=9
+	                    try {
+	                        engine.withCredentials = !!options.withCredentials;
+	                        engine.timeout = options.timeout || 0;
+	                        if (responseType !== "stream") {
+	                            engine.responseType = responseType;
+	                        }
+	                    } catch (e) {}
+
+	                    var customContentType = options.headers[contentType] || options.headers[contentTypeLowerCase];
+
+	                    // default content type
+	                    var _contentType = "application/x-www-form-urlencoded";
+	                    // If the request data is json object, transforming it  to json string,
+	                    // and set request content-type to "json". In browser,  the data will
+	                    // be sent as RequestBody instead of FormData
+	                    if (utils.trim((customContentType || "").toLowerCase()) === _contentType) {
+	                        data = utils.formatParams(data);
+	                    } else if (!utils.isFormData(data) && ["object", "array"].indexOf(utils.type(data)) !== -1) {
+	                        _contentType = 'application/json;charset=utf-8';
+	                        data = JSON.stringify(data);
+	                    }
+	                    //If user doesn't set content-type, set default.
+	                    if (!(customContentType || needQuery)) {
+	                        options.headers[contentType] = _contentType;
+	                    }
+
+	                    for (var k in options.headers) {
+	                        if (k === contentType && utils.isFormData(data)) {
+	                            // Delete the content-type, Let the browser set it
+	                            delete options.headers[k];
+	                        } else {
+	                            try {
+	                                // In browser environment, some header fields are readonly,
+	                                // write will cause the exception .
+	                                engine.setRequestHeader(k, options.headers[k]);
+	                            } catch (e) {}
+	                        }
+	                    }
+
+	                    function onresult(handler, data, type) {
+	                        enqueueIfLocked(responseInterceptor.p, function () {
+	                            if (handler) {
+	                                //如果失败，添加请求信息
+	                                if (type) {
+	                                    data.request = options;
+	                                }
+	                                var ret = handler.call(responseInterceptor, data, Promise);
+	                                data = ret === undefined ? data : ret;
+	                            }
+	                            if (!isPromise(data)) {
+	                                data = Promise[type === 0 ? "resolve" : "reject"](data);
+	                            }
+	                            data.then(function (d) {
+	                                resolve(d);
+	                            }).catch(function (e) {
+	                                reject(e);
+	                            });
+	                        });
+	                    }
+
+	                    function onerror(e) {
+	                        e.engine = engine;
+	                        onresult(responseInterceptor.onerror, e, -1);
+	                    }
+
+	                    function Err(msg, status) {
+	                        this.message = msg;
+	                        this.status = status;
+	                    }
+
+	                    engine.onload = function () {
+	                        try {
+	                            // The xhr of IE9 has not response field
+	                            var response = engine.response || engine.responseText;
+	                            if (response && options.parseJson && (engine.getResponseHeader(contentType) || "").indexOf("json") !== -1
+	                            // Some third engine implementation may transform the response text to json object automatically,
+	                            // so we should test the type of response before transforming it
+	                            && !utils.isObject(response)) {
+	                                response = JSON.parse(response);
+	                            }
+
+	                            var headers = engine.responseHeaders;
+	                            // In browser
+	                            if (!headers) {
+	                                headers = {};
+	                                var items = (engine.getAllResponseHeaders() || "").split("\r\n");
+	                                items.pop();
+	                                items.forEach(function (e) {
+	                                    if (!e) { return; }
+	                                    var key = e.split(":")[0];
+	                                    headers[key] = engine.getResponseHeader(key);
+	                                });
+	                            }
+	                            var status = engine.status;
+	                            var statusText = engine.statusText;
+	                            var _data = { data: response, headers: headers, status: status, statusText: statusText };
+	                            // The _response filed of engine is set in  adapter which be called in engine-wrapper.js
+	                            utils.merge(_data, engine._response);
+	                            if (status >= 200 && status < 300 || status === 304) {
+	                                _data.engine = engine;
+	                                _data.request = options;
+	                                onresult(responseInterceptor.handler, _data, 0);
+	                            } else {
+	                                var e = new Err(statusText, status);
+	                                e.response = _data;
+	                                onerror(e);
+	                            }
+	                        } catch (e) {
+	                            onerror(new Err(e.msg, engine.status));
+	                        }
+	                    };
+
+	                    engine.onerror = function (e) {
+	                        onerror(new Err(e.msg || "Network Error", 0));
+	                    };
+
+	                    engine.ontimeout = function () {
+	                        onerror(new Err("timeout [ " + engine.timeout + "ms ]", 1));
+	                    };
+	                    engine._options = options;
+	                    setTimeout(function () {
+	                        engine.send(needQuery ? null : data);
+	                    }, 0);
+	                }
+
+	                enqueueIfLocked(requestInterceptor.p, function () {
+	                    utils.merge(options, JSON.parse(JSON.stringify(_this.config)));
+	                    var headers = options.headers;
+	                    headers[contentType] = headers[contentType] || headers[contentTypeLowerCase] || "";
+	                    delete headers[contentTypeLowerCase];
+	                    options.body = data || options.body;
+	                    url = utils.trim(url || "");
+	                    options.method = options.method.toUpperCase();
+	                    options.url = url;
+	                    var ret = options;
+	                    if (requestInterceptorHandler) {
+	                        ret = requestInterceptorHandler.call(requestInterceptor, options, Promise) || options;
+	                    }
+	                    if (!isPromise(ret)) {
+	                        ret = Promise.resolve(ret);
+	                    }
+	                    ret.then(function (d) {
+	                        //if options continue
+	                        if (d === options) {
+	                            makeRequest(d);
+	                        } else {
+	                            resolve(d);
+	                        }
+	                    }, function (err) {
+	                        reject(err);
+	                    });
+	                });
+	            });
+	            promise.engine = engine;
+	            return promise;
+	        }
+	    }, {
+	        key: "all",
+	        value: function all(promises) {
+	            return Promise.all(promises);
+	        }
+	    }, {
+	        key: "spread",
+	        value: function spread(callback) {
+	            return function (arr) {
+	                return callback.apply(null, arr);
+	            };
+	        }
+	    }]);
+
+	    return Fly;
+	}();
+
+	//For typeScript
+
+
+	Fly.default = Fly;
+
+	["get", "post", "put", "patch", "head", "delete"].forEach(function (e) {
+	    Fly.prototype[e] = function (url, data, option) {
+	        return this.request(url, data, utils.merge({ method: e }, option));
+	    };
+	});
+	["lock", "unlock", "clear"].forEach(function (e) {
+	    Fly.prototype[e] = function () {
+	        this.interceptors.request[e]();
+	    };
+	});
+	module.exports = Fly;
+
+	/***/ })
+	/******/ ]);
+	});
+	});
+
+	var Fly$1 = unwrapExports(fly);
+
+	// the core stuff to id if it's calling with jsonql
+	var DATA_KEY = 'data';
+	var ERROR_KEY = 'error';
+
+	var JSONQL_PATH = 'jsonql';
+	// according to the json query spec
+	var CONTENT_TYPE = 'application/vnd.api+json';
+	var CHARSET = 'charset=utf-8';
+	var DEFAULT_HEADER = {
+	  'Accept': CONTENT_TYPE,
+	  'Content-Type': [ CONTENT_TYPE, CHARSET ].join(';')
+	};
+
+	// export const INDEX = 'index'; use INDEX_KEY instead
+	var DEFAULT_TYPE = 'any';
+	// new jsonp
+	var JSONP_CALLBACK_NAME = 'jsonqlJsonpCallback';
+
+	// methods allow
+	var API_REQUEST_METHODS = ['POST', 'PUT'];
+	// for  contract-cli
+	var KEY_WORD = 'continue';
+
+	var TYPE_KEY = 'type';
+	var OPTIONAL_KEY = 'optional';
+	var ENUM_KEY = 'enumv';  // need to change this because enum is a reserved word
+	var ARGS_KEY = 'args';
+	var CHECKER_KEY = 'checker';
+	var ALIAS_KEY = 'alias';
+	var CHECKED_KEY = '__checked__';
+	var LOGIN_NAME = 'login';
+	var ISSUER_NAME = LOGIN_NAME; // legacy issue need to replace them later
+	var LOGOUT_NAME = 'logout';
+
+	var AUTH_HEADER = 'Authorization';
+	var BEARER = 'Bearer';
+
+	// for client use @TODO need to clean this up some of them are not in use
+	var CREDENTIAL_STORAGE_KEY = 'credential';
+	var CLIENT_STORAGE_KEY = 'storageKey';
+	var CLIENT_AUTH_KEY = 'authKey';
+	// contract key
+	var CONTRACT_KEY_NAME = 'X-JSONQL-CV-KEY';
+	var SHOW_CONTRACT_DESC_PARAM = {desc: 'y'};
+
+	var OR_SEPERATOR = '|';
+
+	var STRING_TYPE = 'string';
+	var BOOLEAN_TYPE = 'boolean';
+	var ARRAY_TYPE = 'array';
+	var OBJECT_TYPE = 'object';
+
+	var NUMBER_TYPE = 'number';
+	var ARRAY_TYPE_LFT = 'array.<';
+	var ARRAY_TYPE_RGT = '>';
+
+	var NO_ERROR_MSG = 'No message';
+	var NO_STATUS_CODE = -1;
+	var HSA_ALGO = 'HS256';
+
+	/**
+	 * Checks if `value` is `null`.
+	 *
+	 * @static
+	 * @memberOf _
+	 * @since 0.1.0
+	 * @category Lang
+	 * @param {*} value The value to check.
+	 * @returns {boolean} Returns `true` if `value` is `null`, else `false`.
+	 * @example
+	 *
+	 * _.isNull(null);
+	 * // => true
+	 *
+	 * _.isNull(void 0);
+	 * // => false
+	 */
+	function isNull(value) {
+	  return value === null;
+	}
+
+	var global$1 = (typeof global !== "undefined" ? global :
+	            typeof self !== "undefined" ? self :
+	            typeof window !== "undefined" ? window : {});
+
+	/** Detect free variable `global` from Node.js. */
+	var freeGlobal = typeof global$1 == 'object' && global$1 && global$1.Object === Object && global$1;
+
+	/** Detect free variable `self`. */
+	var freeSelf = typeof self == 'object' && self && self.Object === Object && self;
+
+	/** Used as a reference to the global object. */
+	var root = freeGlobal || freeSelf || Function('return this')();
+
+	/** Built-in value references. */
+	var Symbol$1 = root.Symbol;
+
+	/**
+	 * A specialized version of `_.map` for arrays without support for iteratee
+	 * shorthands.
+	 *
+	 * @private
+	 * @param {Array} [array] The array to iterate over.
+	 * @param {Function} iteratee The function invoked per iteration.
+	 * @returns {Array} Returns the new mapped array.
+	 */
+	function arrayMap(array, iteratee) {
+	  var index = -1,
+	      length = array == null ? 0 : array.length,
+	      result = Array(length);
+
+	  while (++index < length) {
+	    result[index] = iteratee(array[index], index, array);
+	  }
+	  return result;
+	}
+
+	/**
+	 * Checks if `value` is classified as an `Array` object.
+	 *
+	 * @static
+	 * @memberOf _
+	 * @since 0.1.0
+	 * @category Lang
+	 * @param {*} value The value to check.
+	 * @returns {boolean} Returns `true` if `value` is an array, else `false`.
+	 * @example
+	 *
+	 * _.isArray([1, 2, 3]);
+	 * // => true
+	 *
+	 * _.isArray(document.body.children);
+	 * // => false
+	 *
+	 * _.isArray('abc');
+	 * // => false
+	 *
+	 * _.isArray(_.noop);
+	 * // => false
+	 */
+	var isArray = Array.isArray;
+
+	/** Used for built-in method references. */
+	var objectProto = Object.prototype;
+
+	/** Used to check objects for own properties. */
+	var hasOwnProperty = objectProto.hasOwnProperty;
+
+	/**
+	 * Used to resolve the
+	 * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)
+	 * of values.
+	 */
+	var nativeObjectToString = objectProto.toString;
+
+	/** Built-in value references. */
+	var symToStringTag = Symbol$1 ? Symbol$1.toStringTag : undefined;
+
+	/**
+	 * A specialized version of `baseGetTag` which ignores `Symbol.toStringTag` values.
+	 *
+	 * @private
+	 * @param {*} value The value to query.
+	 * @returns {string} Returns the raw `toStringTag`.
+	 */
+	function getRawTag(value) {
+	  var isOwn = hasOwnProperty.call(value, symToStringTag),
+	      tag = value[symToStringTag];
+
+	  try {
+	    value[symToStringTag] = undefined;
+	    var unmasked = true;
+	  } catch (e) {}
+
+	  var result = nativeObjectToString.call(value);
+	  if (unmasked) {
+	    if (isOwn) {
+	      value[symToStringTag] = tag;
+	    } else {
+	      delete value[symToStringTag];
+	    }
+	  }
+	  return result;
+	}
+
+	/** Used for built-in method references. */
+	var objectProto$1 = Object.prototype;
+
+	/**
+	 * Used to resolve the
+	 * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)
+	 * of values.
+	 */
+	var nativeObjectToString$1 = objectProto$1.toString;
+
+	/**
+	 * Converts `value` to a string using `Object.prototype.toString`.
+	 *
+	 * @private
+	 * @param {*} value The value to convert.
+	 * @returns {string} Returns the converted string.
+	 */
+	function objectToString(value) {
+	  return nativeObjectToString$1.call(value);
+	}
+
+	/** `Object#toString` result references. */
+	var nullTag = '[object Null]',
+	    undefinedTag = '[object Undefined]';
+
+	/** Built-in value references. */
+	var symToStringTag$1 = Symbol$1 ? Symbol$1.toStringTag : undefined;
+
+	/**
+	 * The base implementation of `getTag` without fallbacks for buggy environments.
+	 *
+	 * @private
+	 * @param {*} value The value to query.
+	 * @returns {string} Returns the `toStringTag`.
+	 */
+	function baseGetTag(value) {
+	  if (value == null) {
+	    return value === undefined ? undefinedTag : nullTag;
+	  }
+	  return (symToStringTag$1 && symToStringTag$1 in Object(value))
+	    ? getRawTag(value)
+	    : objectToString(value);
+	}
+
+	/**
+	 * Checks if `value` is object-like. A value is object-like if it's not `null`
+	 * and has a `typeof` result of "object".
+	 *
+	 * @static
+	 * @memberOf _
+	 * @since 4.0.0
+	 * @category Lang
+	 * @param {*} value The value to check.
+	 * @returns {boolean} Returns `true` if `value` is object-like, else `false`.
+	 * @example
+	 *
+	 * _.isObjectLike({});
+	 * // => true
+	 *
+	 * _.isObjectLike([1, 2, 3]);
+	 * // => true
+	 *
+	 * _.isObjectLike(_.noop);
+	 * // => false
+	 *
+	 * _.isObjectLike(null);
+	 * // => false
+	 */
+	function isObjectLike(value) {
+	  return value != null && typeof value == 'object';
+	}
+
+	/** `Object#toString` result references. */
+	var symbolTag = '[object Symbol]';
+
+	/**
+	 * Checks if `value` is classified as a `Symbol` primitive or object.
+	 *
+	 * @static
+	 * @memberOf _
+	 * @since 4.0.0
+	 * @category Lang
+	 * @param {*} value The value to check.
+	 * @returns {boolean} Returns `true` if `value` is a symbol, else `false`.
+	 * @example
+	 *
+	 * _.isSymbol(Symbol.iterator);
+	 * // => true
+	 *
+	 * _.isSymbol('abc');
+	 * // => false
+	 */
+	function isSymbol(value) {
+	  return typeof value == 'symbol' ||
+	    (isObjectLike(value) && baseGetTag(value) == symbolTag);
+	}
+
+	/** Used as references for various `Number` constants. */
+	var INFINITY = 1 / 0;
+
+	/** Used to convert symbols to primitives and strings. */
+	var symbolProto = Symbol$1 ? Symbol$1.prototype : undefined,
+	    symbolToString = symbolProto ? symbolProto.toString : undefined;
+
+	/**
+	 * The base implementation of `_.toString` which doesn't convert nullish
+	 * values to empty strings.
+	 *
+	 * @private
+	 * @param {*} value The value to process.
+	 * @returns {string} Returns the string.
+	 */
+	function baseToString(value) {
+	  // Exit early for strings to avoid a performance hit in some environments.
+	  if (typeof value == 'string') {
+	    return value;
+	  }
+	  if (isArray(value)) {
+	    // Recursively convert values (susceptible to call stack limits).
+	    return arrayMap(value, baseToString) + '';
+	  }
+	  if (isSymbol(value)) {
+	    return symbolToString ? symbolToString.call(value) : '';
+	  }
+	  var result = (value + '');
+	  return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;
+	}
+
+	/**
+	 * The base implementation of `_.slice` without an iteratee call guard.
+	 *
+	 * @private
+	 * @param {Array} array The array to slice.
+	 * @param {number} [start=0] The start position.
+	 * @param {number} [end=array.length] The end position.
+	 * @returns {Array} Returns the slice of `array`.
+	 */
+	function baseSlice(array, start, end) {
+	  var index = -1,
+	      length = array.length;
+
+	  if (start < 0) {
+	    start = -start > length ? 0 : (length + start);
+	  }
+	  end = end > length ? length : end;
+	  if (end < 0) {
+	    end += length;
+	  }
+	  length = start > end ? 0 : ((end - start) >>> 0);
+	  start >>>= 0;
+
+	  var result = Array(length);
+	  while (++index < length) {
+	    result[index] = array[index + start];
+	  }
+	  return result;
+	}
+
+	/**
+	 * Casts `array` to a slice if it's needed.
+	 *
+	 * @private
+	 * @param {Array} array The array to inspect.
+	 * @param {number} start The start position.
+	 * @param {number} [end=array.length] The end position.
+	 * @returns {Array} Returns the cast slice.
+	 */
+	function castSlice(array, start, end) {
+	  var length = array.length;
+	  end = end === undefined ? length : end;
+	  return (!start && end >= length) ? array : baseSlice(array, start, end);
+	}
+
+	/**
+	 * The base implementation of `_.findIndex` and `_.findLastIndex` without
+	 * support for iteratee shorthands.
+	 *
+	 * @private
+	 * @param {Array} array The array to inspect.
+	 * @param {Function} predicate The function invoked per iteration.
+	 * @param {number} fromIndex The index to search from.
+	 * @param {boolean} [fromRight] Specify iterating from right to left.
+	 * @returns {number} Returns the index of the matched value, else `-1`.
+	 */
+	function baseFindIndex(array, predicate, fromIndex, fromRight) {
+	  var length = array.length,
+	      index = fromIndex + (fromRight ? 1 : -1);
+
+	  while ((fromRight ? index-- : ++index < length)) {
+	    if (predicate(array[index], index, array)) {
+	      return index;
+	    }
+	  }
+	  return -1;
+	}
+
+	/**
+	 * The base implementation of `_.isNaN` without support for number objects.
+	 *
+	 * @private
+	 * @param {*} value The value to check.
+	 * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.
+	 */
+	function baseIsNaN(value) {
+	  return value !== value;
+	}
+
+	/**
+	 * A specialized version of `_.indexOf` which performs strict equality
+	 * comparisons of values, i.e. `===`.
+	 *
+	 * @private
+	 * @param {Array} array The array to inspect.
+	 * @param {*} value The value to search for.
+	 * @param {number} fromIndex The index to search from.
+	 * @returns {number} Returns the index of the matched value, else `-1`.
+	 */
+	function strictIndexOf(array, value, fromIndex) {
+	  var index = fromIndex - 1,
+	      length = array.length;
+
+	  while (++index < length) {
+	    if (array[index] === value) {
+	      return index;
+	    }
+	  }
+	  return -1;
+	}
+
+	/**
+	 * The base implementation of `_.indexOf` without `fromIndex` bounds checks.
+	 *
+	 * @private
+	 * @param {Array} array The array to inspect.
+	 * @param {*} value The value to search for.
+	 * @param {number} fromIndex The index to search from.
+	 * @returns {number} Returns the index of the matched value, else `-1`.
+	 */
+	function baseIndexOf(array, value, fromIndex) {
+	  return value === value
+	    ? strictIndexOf(array, value, fromIndex)
+	    : baseFindIndex(array, baseIsNaN, fromIndex);
+	}
+
+	/**
+	 * Used by `_.trim` and `_.trimEnd` to get the index of the last string symbol
+	 * that is not found in the character symbols.
+	 *
+	 * @private
+	 * @param {Array} strSymbols The string symbols to inspect.
+	 * @param {Array} chrSymbols The character symbols to find.
+	 * @returns {number} Returns the index of the last unmatched string symbol.
+	 */
+	function charsEndIndex(strSymbols, chrSymbols) {
+	  var index = strSymbols.length;
+
+	  while (index-- && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}
+	  return index;
+	}
+
+	/**
+	 * Used by `_.trim` and `_.trimStart` to get the index of the first string symbol
+	 * that is not found in the character symbols.
+	 *
+	 * @private
+	 * @param {Array} strSymbols The string symbols to inspect.
+	 * @param {Array} chrSymbols The character symbols to find.
+	 * @returns {number} Returns the index of the first unmatched string symbol.
+	 */
+	function charsStartIndex(strSymbols, chrSymbols) {
+	  var index = -1,
+	      length = strSymbols.length;
+
+	  while (++index < length && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}
+	  return index;
+	}
+
+	/**
+	 * Converts an ASCII `string` to an array.
+	 *
+	 * @private
+	 * @param {string} string The string to convert.
+	 * @returns {Array} Returns the converted array.
+	 */
+	function asciiToArray(string) {
+	  return string.split('');
+	}
+
+	/** Used to compose unicode character classes. */
+	var rsAstralRange = '\\ud800-\\udfff',
+	    rsComboMarksRange = '\\u0300-\\u036f',
+	    reComboHalfMarksRange = '\\ufe20-\\ufe2f',
+	    rsComboSymbolsRange = '\\u20d0-\\u20ff',
+	    rsComboRange = rsComboMarksRange + reComboHalfMarksRange + rsComboSymbolsRange,
+	    rsVarRange = '\\ufe0e\\ufe0f';
+
+	/** Used to compose unicode capture groups. */
+	var rsZWJ = '\\u200d';
+
+	/** Used to detect strings with [zero-width joiners or code points from the astral planes](http://eev.ee/blog/2015/09/12/dark-corners-of-unicode/). */
+	var reHasUnicode = RegExp('[' + rsZWJ + rsAstralRange  + rsComboRange + rsVarRange + ']');
+
+	/**
+	 * Checks if `string` contains Unicode symbols.
+	 *
+	 * @private
+	 * @param {string} string The string to inspect.
+	 * @returns {boolean} Returns `true` if a symbol is found, else `false`.
+	 */
+	function hasUnicode(string) {
+	  return reHasUnicode.test(string);
+	}
+
+	/** Used to compose unicode character classes. */
+	var rsAstralRange$1 = '\\ud800-\\udfff',
+	    rsComboMarksRange$1 = '\\u0300-\\u036f',
+	    reComboHalfMarksRange$1 = '\\ufe20-\\ufe2f',
+	    rsComboSymbolsRange$1 = '\\u20d0-\\u20ff',
+	    rsComboRange$1 = rsComboMarksRange$1 + reComboHalfMarksRange$1 + rsComboSymbolsRange$1,
+	    rsVarRange$1 = '\\ufe0e\\ufe0f';
+
+	/** Used to compose unicode capture groups. */
+	var rsAstral = '[' + rsAstralRange$1 + ']',
+	    rsCombo = '[' + rsComboRange$1 + ']',
+	    rsFitz = '\\ud83c[\\udffb-\\udfff]',
+	    rsModifier = '(?:' + rsCombo + '|' + rsFitz + ')',
+	    rsNonAstral = '[^' + rsAstralRange$1 + ']',
+	    rsRegional = '(?:\\ud83c[\\udde6-\\uddff]){2}',
+	    rsSurrPair = '[\\ud800-\\udbff][\\udc00-\\udfff]',
+	    rsZWJ$1 = '\\u200d';
+
+	/** Used to compose unicode regexes. */
+	var reOptMod = rsModifier + '?',
+	    rsOptVar = '[' + rsVarRange$1 + ']?',
+	    rsOptJoin = '(?:' + rsZWJ$1 + '(?:' + [rsNonAstral, rsRegional, rsSurrPair].join('|') + ')' + rsOptVar + reOptMod + ')*',
+	    rsSeq = rsOptVar + reOptMod + rsOptJoin,
+	    rsSymbol = '(?:' + [rsNonAstral + rsCombo + '?', rsCombo, rsRegional, rsSurrPair, rsAstral].join('|') + ')';
+
+	/** Used to match [string symbols](https://mathiasbynens.be/notes/javascript-unicode). */
+	var reUnicode = RegExp(rsFitz + '(?=' + rsFitz + ')|' + rsSymbol + rsSeq, 'g');
+
+	/**
+	 * Converts a Unicode `string` to an array.
+	 *
+	 * @private
+	 * @param {string} string The string to convert.
+	 * @returns {Array} Returns the converted array.
+	 */
+	function unicodeToArray(string) {
+	  return string.match(reUnicode) || [];
+	}
+
+	/**
+	 * Converts `string` to an array.
+	 *
+	 * @private
+	 * @param {string} string The string to convert.
+	 * @returns {Array} Returns the converted array.
+	 */
+	function stringToArray(string) {
+	  return hasUnicode(string)
+	    ? unicodeToArray(string)
+	    : asciiToArray(string);
+	}
+
+	/**
+	 * Converts `value` to a string. An empty string is returned for `null`
+	 * and `undefined` values. The sign of `-0` is preserved.
+	 *
+	 * @static
+	 * @memberOf _
+	 * @since 4.0.0
+	 * @category Lang
+	 * @param {*} value The value to convert.
+	 * @returns {string} Returns the converted string.
+	 * @example
+	 *
+	 * _.toString(null);
+	 * // => ''
+	 *
+	 * _.toString(-0);
+	 * // => '-0'
+	 *
+	 * _.toString([1, 2, 3]);
+	 * // => '1,2,3'
+	 */
+	function toString(value) {
+	  return value == null ? '' : baseToString(value);
+	}
+
+	/** Used to match leading and trailing whitespace. */
+	var reTrim = /^\s+|\s+$/g;
+
+	/**
+	 * Removes leading and trailing whitespace or specified characters from `string`.
+	 *
+	 * @static
+	 * @memberOf _
+	 * @since 3.0.0
+	 * @category String
+	 * @param {string} [string=''] The string to trim.
+	 * @param {string} [chars=whitespace] The characters to trim.
+	 * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+	 * @returns {string} Returns the trimmed string.
+	 * @example
+	 *
+	 * _.trim('  abc  ');
+	 * // => 'abc'
+	 *
+	 * _.trim('-_-abc-_-', '_-');
+	 * // => 'abc'
+	 *
+	 * _.map(['  foo  ', '  bar  '], _.trim);
+	 * // => ['foo', 'bar']
+	 */
+	function trim(string, chars, guard) {
+	  string = toString(string);
+	  if (string && (guard || chars === undefined)) {
+	    return string.replace(reTrim, '');
+	  }
+	  if (!string || !(chars = baseToString(chars))) {
+	    return string;
+	  }
+	  var strSymbols = stringToArray(string),
+	      chrSymbols = stringToArray(chars),
+	      start = charsStartIndex(strSymbols, chrSymbols),
+	      end = charsEndIndex(strSymbols, chrSymbols) + 1;
+
+	  return castSlice(strSymbols, start, end).join('');
+	}
+
+	/**
+	 * Checks if `value` is `undefined`.
+	 *
+	 * @static
+	 * @since 0.1.0
+	 * @memberOf _
+	 * @category Lang
+	 * @param {*} value The value to check.
+	 * @returns {boolean} Returns `true` if `value` is `undefined`, else `false`.
+	 * @example
+	 *
+	 * _.isUndefined(void 0);
+	 * // => true
+	 *
+	 * _.isUndefined(null);
+	 * // => false
+	 */
+	function isUndefined(value) {
+	  return value === undefined;
+	}
+
+	/** `Object#toString` result references. */
+	var boolTag = '[object Boolean]';
+
+	/**
+	 * Checks if `value` is classified as a boolean primitive or object.
+	 *
+	 * @static
+	 * @memberOf _
+	 * @since 0.1.0
+	 * @category Lang
+	 * @param {*} value The value to check.
+	 * @returns {boolean} Returns `true` if `value` is a boolean, else `false`.
+	 * @example
+	 *
+	 * _.isBoolean(false);
+	 * // => true
+	 *
+	 * _.isBoolean(null);
+	 * // => false
+	 */
+	function isBoolean(value) {
+	  return value === true || value === false ||
+	    (isObjectLike(value) && baseGetTag(value) == boolTag);
+	}
+
+	/** `Object#toString` result references. */
+	var numberTag = '[object Number]';
+
+	/**
+	 * Checks if `value` is classified as a `Number` primitive or object.
+	 *
+	 * **Note:** To exclude `Infinity`, `-Infinity`, and `NaN`, which are
+	 * classified as numbers, use the `_.isFinite` method.
+	 *
+	 * @static
+	 * @memberOf _
+	 * @since 0.1.0
+	 * @category Lang
+	 * @param {*} value The value to check.
+	 * @returns {boolean} Returns `true` if `value` is a number, else `false`.
+	 * @example
+	 *
+	 * _.isNumber(3);
+	 * // => true
+	 *
+	 * _.isNumber(Number.MIN_VALUE);
+	 * // => true
+	 *
+	 * _.isNumber(Infinity);
+	 * // => true
+	 *
+	 * _.isNumber('3');
+	 * // => false
+	 */
+	function isNumber(value) {
+	  return typeof value == 'number' ||
+	    (isObjectLike(value) && baseGetTag(value) == numberTag);
+	}
+
+	/**
+	 * Checks if `value` is `NaN`.
+	 *
+	 * **Note:** This method is based on
+	 * [`Number.isNaN`](https://mdn.io/Number/isNaN) and is not the same as
+	 * global [`isNaN`](https://mdn.io/isNaN) which returns `true` for
+	 * `undefined` and other non-number values.
+	 *
+	 * @static
+	 * @memberOf _
+	 * @since 0.1.0
+	 * @category Lang
+	 * @param {*} value The value to check.
+	 * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.
+	 * @example
+	 *
+	 * _.isNaN(NaN);
+	 * // => true
+	 *
+	 * _.isNaN(new Number(NaN));
+	 * // => true
+	 *
+	 * isNaN(undefined);
+	 * // => true
+	 *
+	 * _.isNaN(undefined);
+	 * // => false
+	 */
+	function isNaN$1(value) {
+	  // An `NaN` primitive is the only value that is not equal to itself.
+	  // Perform the `toStringTag` check first to avoid errors with some
+	  // ActiveX objects in IE.
+	  return isNumber(value) && value != +value;
+	}
+
+	/** `Object#toString` result references. */
+	var stringTag = '[object String]';
+
+	/**
+	 * Checks if `value` is classified as a `String` primitive or object.
+	 *
+	 * @static
+	 * @since 0.1.0
+	 * @memberOf _
+	 * @category Lang
+	 * @param {*} value The value to check.
+	 * @returns {boolean} Returns `true` if `value` is a string, else `false`.
+	 * @example
+	 *
+	 * _.isString('abc');
+	 * // => true
+	 *
+	 * _.isString(1);
+	 * // => false
+	 */
+	function isString(value) {
+	  return typeof value == 'string' ||
+	    (!isArray(value) && isObjectLike(value) && baseGetTag(value) == stringTag);
+	}
+
+	/**
+	 * Creates a unary function that invokes `func` with its argument transformed.
+	 *
+	 * @private
+	 * @param {Function} func The function to wrap.
+	 * @param {Function} transform The argument transform.
+	 * @returns {Function} Returns the new function.
+	 */
+	function overArg(func, transform) {
+	  return function(arg) {
+	    return func(transform(arg));
+	  };
+	}
+
+	/** Built-in value references. */
+	var getPrototype = overArg(Object.getPrototypeOf, Object);
+
+	/** `Object#toString` result references. */
+	var objectTag = '[object Object]';
+
+	/** Used for built-in method references. */
+	var funcProto = Function.prototype,
+	    objectProto$2 = Object.prototype;
+
+	/** Used to resolve the decompiled source of functions. */
+	var funcToString = funcProto.toString;
+
+	/** Used to check objects for own properties. */
+	var hasOwnProperty$1 = objectProto$2.hasOwnProperty;
+
+	/** Used to infer the `Object` constructor. */
+	var objectCtorString = funcToString.call(Object);
+
+	/**
+	 * Checks if `value` is a plain object, that is, an object created by the
+	 * `Object` constructor or one with a `[[Prototype]]` of `null`.
+	 *
+	 * @static
+	 * @memberOf _
+	 * @since 0.8.0
+	 * @category Lang
+	 * @param {*} value The value to check.
+	 * @returns {boolean} Returns `true` if `value` is a plain object, else `false`.
+	 * @example
+	 *
+	 * function Foo() {
+	 *   this.a = 1;
+	 * }
+	 *
+	 * _.isPlainObject(new Foo);
+	 * // => false
+	 *
+	 * _.isPlainObject([1, 2, 3]);
+	 * // => false
+	 *
+	 * _.isPlainObject({ 'x': 0, 'y': 0 });
+	 * // => true
+	 *
+	 * _.isPlainObject(Object.create(null));
+	 * // => true
+	 */
+	function isPlainObject(value) {
+	  if (!isObjectLike(value) || baseGetTag(value) != objectTag) {
+	    return false;
+	  }
+	  var proto = getPrototype(value);
+	  if (proto === null) {
+	    return true;
+	  }
+	  var Ctor = hasOwnProperty$1.call(proto, 'constructor') && proto.constructor;
+	  return typeof Ctor == 'function' && Ctor instanceof Ctor &&
+	    funcToString.call(Ctor) == objectCtorString;
+	}
+
+	/**
+	 * A specialized version of `_.filter` for arrays without support for
+	 * iteratee shorthands.
+	 *
+	 * @private
+	 * @param {Array} [array] The array to iterate over.
+	 * @param {Function} predicate The function invoked per iteration.
+	 * @returns {Array} Returns the new filtered array.
+	 */
+	function arrayFilter(array, predicate) {
+	  var index = -1,
+	      length = array == null ? 0 : array.length,
+	      resIndex = 0,
+	      result = [];
+
+	  while (++index < length) {
+	    var value = array[index];
+	    if (predicate(value, index, array)) {
+	      result[resIndex++] = value;
+	    }
+	  }
+	  return result;
+	}
+
+	/**
+	 * Creates a base function for methods like `_.forIn` and `_.forOwn`.
+	 *
+	 * @private
+	 * @param {boolean} [fromRight] Specify iterating from right to left.
+	 * @returns {Function} Returns the new base function.
+	 */
+	function createBaseFor(fromRight) {
+	  return function(object, iteratee, keysFunc) {
+	    var index = -1,
+	        iterable = Object(object),
+	        props = keysFunc(object),
+	        length = props.length;
+
+	    while (length--) {
+	      var key = props[fromRight ? length : ++index];
+	      if (iteratee(iterable[key], key, iterable) === false) {
+	        break;
+	      }
+	    }
+	    return object;
+	  };
+	}
+
+	/**
+	 * The base implementation of `baseForOwn` which iterates over `object`
+	 * properties returned by `keysFunc` and invokes `iteratee` for each property.
+	 * Iteratee functions may exit iteration early by explicitly returning `false`.
+	 *
+	 * @private
+	 * @param {Object} object The object to iterate over.
+	 * @param {Function} iteratee The function invoked per iteration.
+	 * @param {Function} keysFunc The function to get the keys of `object`.
+	 * @returns {Object} Returns `object`.
+	 */
+	var baseFor = createBaseFor();
+
+	/**
+	 * The base implementation of `_.times` without support for iteratee shorthands
+	 * or max array length checks.
+	 *
+	 * @private
+	 * @param {number} n The number of times to invoke `iteratee`.
+	 * @param {Function} iteratee The function invoked per iteration.
+	 * @returns {Array} Returns the array of results.
+	 */
+	function baseTimes(n, iteratee) {
+	  var index = -1,
+	      result = Array(n);
+
+	  while (++index < n) {
+	    result[index] = iteratee(index);
+	  }
+	  return result;
+	}
+
+	/** `Object#toString` result references. */
+	var argsTag = '[object Arguments]';
+
+	/**
+	 * The base implementation of `_.isArguments`.
+	 *
+	 * @private
+	 * @param {*} value The value to check.
+	 * @returns {boolean} Returns `true` if `value` is an `arguments` object,
+	 */
+	function baseIsArguments(value) {
+	  return isObjectLike(value) && baseGetTag(value) == argsTag;
+	}
+
+	/** Used for built-in method references. */
+	var objectProto$3 = Object.prototype;
+
+	/** Used to check objects for own properties. */
+	var hasOwnProperty$2 = objectProto$3.hasOwnProperty;
+
+	/** Built-in value references. */
+	var propertyIsEnumerable = objectProto$3.propertyIsEnumerable;
+
+	/**
+	 * Checks if `value` is likely an `arguments` object.
+	 *
+	 * @static
+	 * @memberOf _
+	 * @since 0.1.0
+	 * @category Lang
+	 * @param {*} value The value to check.
+	 * @returns {boolean} Returns `true` if `value` is an `arguments` object,
+	 *  else `false`.
+	 * @example
+	 *
+	 * _.isArguments(function() { return arguments; }());
+	 * // => true
+	 *
+	 * _.isArguments([1, 2, 3]);
+	 * // => false
+	 */
+	var isArguments = baseIsArguments(function() { return arguments; }()) ? baseIsArguments : function(value) {
+	  return isObjectLike(value) && hasOwnProperty$2.call(value, 'callee') &&
+	    !propertyIsEnumerable.call(value, 'callee');
+	};
+
+	/**
+	 * This method returns `false`.
+	 *
+	 * @static
+	 * @memberOf _
+	 * @since 4.13.0
+	 * @category Util
+	 * @returns {boolean} Returns `false`.
+	 * @example
+	 *
+	 * _.times(2, _.stubFalse);
+	 * // => [false, false]
+	 */
+	function stubFalse() {
+	  return false;
+	}
+
+	/** Detect free variable `exports`. */
+	var freeExports = typeof exports == 'object' && exports && !exports.nodeType && exports;
+
+	/** Detect free variable `module`. */
+	var freeModule = freeExports && typeof module == 'object' && module && !module.nodeType && module;
+
+	/** Detect the popular CommonJS extension `module.exports`. */
+	var moduleExports = freeModule && freeModule.exports === freeExports;
+
+	/** Built-in value references. */
+	var Buffer = moduleExports ? root.Buffer : undefined;
+
+	/* Built-in method references for those with the same name as other `lodash` methods. */
+	var nativeIsBuffer = Buffer ? Buffer.isBuffer : undefined;
+
+	/**
+	 * Checks if `value` is a buffer.
+	 *
+	 * @static
+	 * @memberOf _
+	 * @since 4.3.0
+	 * @category Lang
+	 * @param {*} value The value to check.
+	 * @returns {boolean} Returns `true` if `value` is a buffer, else `false`.
+	 * @example
+	 *
+	 * _.isBuffer(new Buffer(2));
+	 * // => true
+	 *
+	 * _.isBuffer(new Uint8Array(2));
+	 * // => false
+	 */
+	var isBuffer = nativeIsBuffer || stubFalse;
+
+	/** Used as references for various `Number` constants. */
+	var MAX_SAFE_INTEGER = 9007199254740991;
+
+	/** Used to detect unsigned integer values. */
+	var reIsUint = /^(?:0|[1-9]\d*)$/;
+
+	/**
+	 * Checks if `value` is a valid array-like index.
+	 *
+	 * @private
+	 * @param {*} value The value to check.
+	 * @param {number} [length=MAX_SAFE_INTEGER] The upper bounds of a valid index.
+	 * @returns {boolean} Returns `true` if `value` is a valid index, else `false`.
+	 */
+	function isIndex(value, length) {
+	  var type = typeof value;
+	  length = length == null ? MAX_SAFE_INTEGER : length;
+
+	  return !!length &&
+	    (type == 'number' ||
+	      (type != 'symbol' && reIsUint.test(value))) &&
+	        (value > -1 && value % 1 == 0 && value < length);
+	}
+
+	/** Used as references for various `Number` constants. */
+	var MAX_SAFE_INTEGER$1 = 9007199254740991;
+
+	/**
+	 * Checks if `value` is a valid array-like length.
+	 *
+	 * **Note:** This method is loosely based on
+	 * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).
+	 *
+	 * @static
+	 * @memberOf _
+	 * @since 4.0.0
+	 * @category Lang
+	 * @param {*} value The value to check.
+	 * @returns {boolean} Returns `true` if `value` is a valid length, else `false`.
+	 * @example
+	 *
+	 * _.isLength(3);
+	 * // => true
+	 *
+	 * _.isLength(Number.MIN_VALUE);
+	 * // => false
+	 *
+	 * _.isLength(Infinity);
+	 * // => false
+	 *
+	 * _.isLength('3');
+	 * // => false
+	 */
+	function isLength(value) {
+	  return typeof value == 'number' &&
+	    value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER$1;
+	}
+
+	/** `Object#toString` result references. */
+	var argsTag$1 = '[object Arguments]',
+	    arrayTag = '[object Array]',
+	    boolTag$1 = '[object Boolean]',
+	    dateTag = '[object Date]',
+	    errorTag = '[object Error]',
+	    funcTag = '[object Function]',
+	    mapTag = '[object Map]',
+	    numberTag$1 = '[object Number]',
+	    objectTag$1 = '[object Object]',
+	    regexpTag = '[object RegExp]',
+	    setTag = '[object Set]',
+	    stringTag$1 = '[object String]',
+	    weakMapTag = '[object WeakMap]';
+
+	var arrayBufferTag = '[object ArrayBuffer]',
+	    dataViewTag = '[object DataView]',
+	    float32Tag = '[object Float32Array]',
+	    float64Tag = '[object Float64Array]',
+	    int8Tag = '[object Int8Array]',
+	    int16Tag = '[object Int16Array]',
+	    int32Tag = '[object Int32Array]',
+	    uint8Tag = '[object Uint8Array]',
+	    uint8ClampedTag = '[object Uint8ClampedArray]',
+	    uint16Tag = '[object Uint16Array]',
+	    uint32Tag = '[object Uint32Array]';
+
+	/** Used to identify `toStringTag` values of typed arrays. */
+	var typedArrayTags = {};
+	typedArrayTags[float32Tag] = typedArrayTags[float64Tag] =
+	typedArrayTags[int8Tag] = typedArrayTags[int16Tag] =
+	typedArrayTags[int32Tag] = typedArrayTags[uint8Tag] =
+	typedArrayTags[uint8ClampedTag] = typedArrayTags[uint16Tag] =
+	typedArrayTags[uint32Tag] = true;
+	typedArrayTags[argsTag$1] = typedArrayTags[arrayTag] =
+	typedArrayTags[arrayBufferTag] = typedArrayTags[boolTag$1] =
+	typedArrayTags[dataViewTag] = typedArrayTags[dateTag] =
+	typedArrayTags[errorTag] = typedArrayTags[funcTag] =
+	typedArrayTags[mapTag] = typedArrayTags[numberTag$1] =
+	typedArrayTags[objectTag$1] = typedArrayTags[regexpTag] =
+	typedArrayTags[setTag] = typedArrayTags[stringTag$1] =
+	typedArrayTags[weakMapTag] = false;
+
+	/**
+	 * The base implementation of `_.isTypedArray` without Node.js optimizations.
+	 *
+	 * @private
+	 * @param {*} value The value to check.
+	 * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.
+	 */
+	function baseIsTypedArray(value) {
+	  return isObjectLike(value) &&
+	    isLength(value.length) && !!typedArrayTags[baseGetTag(value)];
+	}
+
+	/**
+	 * The base implementation of `_.unary` without support for storing metadata.
+	 *
+	 * @private
+	 * @param {Function} func The function to cap arguments for.
+	 * @returns {Function} Returns the new capped function.
+	 */
+	function baseUnary(func) {
+	  return function(value) {
+	    return func(value);
+	  };
+	}
+
+	/** Detect free variable `exports`. */
+	var freeExports$1 = typeof exports == 'object' && exports && !exports.nodeType && exports;
+
+	/** Detect free variable `module`. */
+	var freeModule$1 = freeExports$1 && typeof module == 'object' && module && !module.nodeType && module;
+
+	/** Detect the popular CommonJS extension `module.exports`. */
+	var moduleExports$1 = freeModule$1 && freeModule$1.exports === freeExports$1;
+
+	/** Detect free variable `process` from Node.js. */
+	var freeProcess = moduleExports$1 && freeGlobal.process;
+
+	/** Used to access faster Node.js helpers. */
+	var nodeUtil = (function() {
+	  try {
+	    // Use `util.types` for Node.js 10+.
+	    var types = freeModule$1 && freeModule$1.require && freeModule$1.require('util').types;
+
+	    if (types) {
+	      return types;
+	    }
+
+	    // Legacy `process.binding('util')` for Node.js < 10.
+	    return freeProcess && freeProcess.binding && freeProcess.binding('util');
+	  } catch (e) {}
+	}());
+
+	/* Node.js helper references. */
+	var nodeIsTypedArray = nodeUtil && nodeUtil.isTypedArray;
+
+	/**
+	 * Checks if `value` is classified as a typed array.
+	 *
+	 * @static
+	 * @memberOf _
+	 * @since 3.0.0
+	 * @category Lang
+	 * @param {*} value The value to check.
+	 * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.
+	 * @example
+	 *
+	 * _.isTypedArray(new Uint8Array);
+	 * // => true
+	 *
+	 * _.isTypedArray([]);
+	 * // => false
+	 */
+	var isTypedArray = nodeIsTypedArray ? baseUnary(nodeIsTypedArray) : baseIsTypedArray;
+
+	/** Used for built-in method references. */
+	var objectProto$4 = Object.prototype;
+
+	/** Used to check objects for own properties. */
+	var hasOwnProperty$3 = objectProto$4.hasOwnProperty;
+
+	/**
+	 * Creates an array of the enumerable property names of the array-like `value`.
+	 *
+	 * @private
+	 * @param {*} value The value to query.
+	 * @param {boolean} inherited Specify returning inherited property names.
+	 * @returns {Array} Returns the array of property names.
+	 */
+	function arrayLikeKeys(value, inherited) {
+	  var isArr = isArray(value),
+	      isArg = !isArr && isArguments(value),
+	      isBuff = !isArr && !isArg && isBuffer(value),
+	      isType = !isArr && !isArg && !isBuff && isTypedArray(value),
+	      skipIndexes = isArr || isArg || isBuff || isType,
+	      result = skipIndexes ? baseTimes(value.length, String) : [],
+	      length = result.length;
+
+	  for (var key in value) {
+	    if ((inherited || hasOwnProperty$3.call(value, key)) &&
+	        !(skipIndexes && (
+	           // Safari 9 has enumerable `arguments.length` in strict mode.
+	           key == 'length' ||
+	           // Node.js 0.10 has enumerable non-index properties on buffers.
+	           (isBuff && (key == 'offset' || key == 'parent')) ||
+	           // PhantomJS 2 has enumerable non-index properties on typed arrays.
+	           (isType && (key == 'buffer' || key == 'byteLength' || key == 'byteOffset')) ||
+	           // Skip index properties.
+	           isIndex(key, length)
+	        ))) {
+	      result.push(key);
+	    }
+	  }
+	  return result;
+	}
+
+	/** Used for built-in method references. */
+	var objectProto$5 = Object.prototype;
+
+	/**
+	 * Checks if `value` is likely a prototype object.
+	 *
+	 * @private
+	 * @param {*} value The value to check.
+	 * @returns {boolean} Returns `true` if `value` is a prototype, else `false`.
+	 */
+	function isPrototype(value) {
+	  var Ctor = value && value.constructor,
+	      proto = (typeof Ctor == 'function' && Ctor.prototype) || objectProto$5;
+
+	  return value === proto;
+	}
+
+	/* Built-in method references for those with the same name as other `lodash` methods. */
+	var nativeKeys = overArg(Object.keys, Object);
+
+	/** Used for built-in method references. */
+	var objectProto$6 = Object.prototype;
+
+	/** Used to check objects for own properties. */
+	var hasOwnProperty$4 = objectProto$6.hasOwnProperty;
+
+	/**
+	 * The base implementation of `_.keys` which doesn't treat sparse arrays as dense.
+	 *
+	 * @private
+	 * @param {Object} object The object to query.
+	 * @returns {Array} Returns the array of property names.
+	 */
+	function baseKeys(object) {
+	  if (!isPrototype(object)) {
+	    return nativeKeys(object);
+	  }
+	  var result = [];
+	  for (var key in Object(object)) {
+	    if (hasOwnProperty$4.call(object, key) && key != 'constructor') {
+	      result.push(key);
+	    }
+	  }
+	  return result;
+	}
+
+	/**
+	 * Checks if `value` is the
+	 * [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types)
+	 * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)
+	 *
+	 * @static
+	 * @memberOf _
+	 * @since 0.1.0
+	 * @category Lang
+	 * @param {*} value The value to check.
+	 * @returns {boolean} Returns `true` if `value` is an object, else `false`.
+	 * @example
+	 *
+	 * _.isObject({});
+	 * // => true
+	 *
+	 * _.isObject([1, 2, 3]);
+	 * // => true
+	 *
+	 * _.isObject(_.noop);
+	 * // => true
+	 *
+	 * _.isObject(null);
+	 * // => false
+	 */
+	function isObject(value) {
+	  var type = typeof value;
+	  return value != null && (type == 'object' || type == 'function');
+	}
+
+	/** `Object#toString` result references. */
+	var asyncTag = '[object AsyncFunction]',
+	    funcTag$1 = '[object Function]',
+	    genTag = '[object GeneratorFunction]',
+	    proxyTag = '[object Proxy]';
+
+	/**
+	 * Checks if `value` is classified as a `Function` object.
+	 *
+	 * @static
+	 * @memberOf _
+	 * @since 0.1.0
+	 * @category Lang
+	 * @param {*} value The value to check.
+	 * @returns {boolean} Returns `true` if `value` is a function, else `false`.
+	 * @example
+	 *
+	 * _.isFunction(_);
+	 * // => true
+	 *
+	 * _.isFunction(/abc/);
+	 * // => false
+	 */
+	function isFunction(value) {
+	  if (!isObject(value)) {
+	    return false;
+	  }
+	  // The use of `Object#toString` avoids issues with the `typeof` operator
+	  // in Safari 9 which returns 'object' for typed arrays and other constructors.
+	  var tag = baseGetTag(value);
+	  return tag == funcTag$1 || tag == genTag || tag == asyncTag || tag == proxyTag;
+	}
+
+	/**
+	 * Checks if `value` is array-like. A value is considered array-like if it's
+	 * not a function and has a `value.length` that's an integer greater than or
+	 * equal to `0` and less than or equal to `Number.MAX_SAFE_INTEGER`.
+	 *
+	 * @static
+	 * @memberOf _
+	 * @since 4.0.0
+	 * @category Lang
+	 * @param {*} value The value to check.
+	 * @returns {boolean} Returns `true` if `value` is array-like, else `false`.
+	 * @example
+	 *
+	 * _.isArrayLike([1, 2, 3]);
+	 * // => true
+	 *
+	 * _.isArrayLike(document.body.children);
+	 * // => true
+	 *
+	 * _.isArrayLike('abc');
+	 * // => true
+	 *
+	 * _.isArrayLike(_.noop);
+	 * // => false
+	 */
+	function isArrayLike(value) {
+	  return value != null && isLength(value.length) && !isFunction(value);
+	}
+
+	/**
+	 * Creates an array of the own enumerable property names of `object`.
+	 *
+	 * **Note:** Non-object values are coerced to objects. See the
+	 * [ES spec](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)
+	 * for more details.
+	 *
+	 * @static
+	 * @since 0.1.0
+	 * @memberOf _
+	 * @category Object
+	 * @param {Object} object The object to query.
+	 * @returns {Array} Returns the array of property names.
+	 * @example
+	 *
+	 * function Foo() {
+	 *   this.a = 1;
+	 *   this.b = 2;
+	 * }
+	 *
+	 * Foo.prototype.c = 3;
+	 *
+	 * _.keys(new Foo);
+	 * // => ['a', 'b'] (iteration order is not guaranteed)
+	 *
+	 * _.keys('hi');
+	 * // => ['0', '1']
+	 */
+	function keys(object) {
+	  return isArrayLike(object) ? arrayLikeKeys(object) : baseKeys(object);
+	}
+
+	/**
+	 * The base implementation of `_.forOwn` without support for iteratee shorthands.
+	 *
+	 * @private
+	 * @param {Object} object The object to iterate over.
+	 * @param {Function} iteratee The function invoked per iteration.
+	 * @returns {Object} Returns `object`.
+	 */
+	function baseForOwn(object, iteratee) {
+	  return object && baseFor(object, iteratee, keys);
+	}
+
+	/**
+	 * Removes all key-value entries from the list cache.
+	 *
+	 * @private
+	 * @name clear
+	 * @memberOf ListCache
+	 */
+	function listCacheClear() {
+	  this.__data__ = [];
+	  this.size = 0;
+	}
+
+	/**
+	 * Performs a
+	 * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
+	 * comparison between two values to determine if they are equivalent.
+	 *
+	 * @static
+	 * @memberOf _
+	 * @since 4.0.0
+	 * @category Lang
+	 * @param {*} value The value to compare.
+	 * @param {*} other The other value to compare.
+	 * @returns {boolean} Returns `true` if the values are equivalent, else `false`.
+	 * @example
+	 *
+	 * var object = { 'a': 1 };
+	 * var other = { 'a': 1 };
+	 *
+	 * _.eq(object, object);
+	 * // => true
+	 *
+	 * _.eq(object, other);
+	 * // => false
+	 *
+	 * _.eq('a', 'a');
+	 * // => true
+	 *
+	 * _.eq('a', Object('a'));
+	 * // => false
+	 *
+	 * _.eq(NaN, NaN);
+	 * // => true
+	 */
+	function eq(value, other) {
+	  return value === other || (value !== value && other !== other);
+	}
+
+	/**
+	 * Gets the index at which the `key` is found in `array` of key-value pairs.
+	 *
+	 * @private
+	 * @param {Array} array The array to inspect.
+	 * @param {*} key The key to search for.
+	 * @returns {number} Returns the index of the matched value, else `-1`.
+	 */
+	function assocIndexOf(array, key) {
+	  var length = array.length;
+	  while (length--) {
+	    if (eq(array[length][0], key)) {
+	      return length;
+	    }
+	  }
+	  return -1;
+	}
+
+	/** Used for built-in method references. */
+	var arrayProto = Array.prototype;
+
+	/** Built-in value references. */
+	var splice = arrayProto.splice;
+
+	/**
+	 * Removes `key` and its value from the list cache.
+	 *
+	 * @private
+	 * @name delete
+	 * @memberOf ListCache
+	 * @param {string} key The key of the value to remove.
+	 * @returns {boolean} Returns `true` if the entry was removed, else `false`.
+	 */
+	function listCacheDelete(key) {
+	  var data = this.__data__,
+	      index = assocIndexOf(data, key);
+
+	  if (index < 0) {
+	    return false;
+	  }
+	  var lastIndex = data.length - 1;
+	  if (index == lastIndex) {
+	    data.pop();
+	  } else {
+	    splice.call(data, index, 1);
+	  }
+	  --this.size;
+	  return true;
+	}
+
+	/**
+	 * Gets the list cache value for `key`.
+	 *
+	 * @private
+	 * @name get
+	 * @memberOf ListCache
+	 * @param {string} key The key of the value to get.
+	 * @returns {*} Returns the entry value.
+	 */
+	function listCacheGet(key) {
+	  var data = this.__data__,
+	      index = assocIndexOf(data, key);
+
+	  return index < 0 ? undefined : data[index][1];
+	}
+
+	/**
+	 * Checks if a list cache value for `key` exists.
+	 *
+	 * @private
+	 * @name has
+	 * @memberOf ListCache
+	 * @param {string} key The key of the entry to check.
+	 * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
+	 */
+	function listCacheHas(key) {
+	  return assocIndexOf(this.__data__, key) > -1;
+	}
+
+	/**
+	 * Sets the list cache `key` to `value`.
+	 *
+	 * @private
+	 * @name set
+	 * @memberOf ListCache
+	 * @param {string} key The key of the value to set.
+	 * @param {*} value The value to set.
+	 * @returns {Object} Returns the list cache instance.
+	 */
+	function listCacheSet(key, value) {
+	  var data = this.__data__,
+	      index = assocIndexOf(data, key);
+
+	  if (index < 0) {
+	    ++this.size;
+	    data.push([key, value]);
+	  } else {
+	    data[index][1] = value;
+	  }
+	  return this;
+	}
+
+	/**
+	 * Creates an list cache object.
+	 *
+	 * @private
+	 * @constructor
+	 * @param {Array} [entries] The key-value pairs to cache.
+	 */
+	function ListCache(entries) {
+	  var index = -1,
+	      length = entries == null ? 0 : entries.length;
+
+	  this.clear();
+	  while (++index < length) {
+	    var entry = entries[index];
+	    this.set(entry[0], entry[1]);
+	  }
+	}
+
+	// Add methods to `ListCache`.
+	ListCache.prototype.clear = listCacheClear;
+	ListCache.prototype['delete'] = listCacheDelete;
+	ListCache.prototype.get = listCacheGet;
+	ListCache.prototype.has = listCacheHas;
+	ListCache.prototype.set = listCacheSet;
+
+	/**
+	 * Removes all key-value entries from the stack.
+	 *
+	 * @private
+	 * @name clear
+	 * @memberOf Stack
+	 */
+	function stackClear() {
+	  this.__data__ = new ListCache;
+	  this.size = 0;
+	}
+
+	/**
+	 * Removes `key` and its value from the stack.
+	 *
+	 * @private
+	 * @name delete
+	 * @memberOf Stack
+	 * @param {string} key The key of the value to remove.
+	 * @returns {boolean} Returns `true` if the entry was removed, else `false`.
+	 */
+	function stackDelete(key) {
+	  var data = this.__data__,
+	      result = data['delete'](key);
+
+	  this.size = data.size;
+	  return result;
+	}
+
+	/**
+	 * Gets the stack value for `key`.
+	 *
+	 * @private
+	 * @name get
+	 * @memberOf Stack
+	 * @param {string} key The key of the value to get.
+	 * @returns {*} Returns the entry value.
+	 */
+	function stackGet(key) {
+	  return this.__data__.get(key);
+	}
+
+	/**
+	 * Checks if a stack value for `key` exists.
+	 *
+	 * @private
+	 * @name has
+	 * @memberOf Stack
+	 * @param {string} key The key of the entry to check.
+	 * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
+	 */
+	function stackHas(key) {
+	  return this.__data__.has(key);
+	}
+
+	/** Used to detect overreaching core-js shims. */
+	var coreJsData = root['__core-js_shared__'];
+
+	/** Used to detect methods masquerading as native. */
+	var maskSrcKey = (function() {
+	  var uid = /[^.]+$/.exec(coreJsData && coreJsData.keys && coreJsData.keys.IE_PROTO || '');
+	  return uid ? ('Symbol(src)_1.' + uid) : '';
+	}());
+
+	/**
+	 * Checks if `func` has its source masked.
+	 *
+	 * @private
+	 * @param {Function} func The function to check.
+	 * @returns {boolean} Returns `true` if `func` is masked, else `false`.
+	 */
+	function isMasked(func) {
+	  return !!maskSrcKey && (maskSrcKey in func);
+	}
+
+	/** Used for built-in method references. */
+	var funcProto$1 = Function.prototype;
+
+	/** Used to resolve the decompiled source of functions. */
+	var funcToString$1 = funcProto$1.toString;
+
+	/**
+	 * Converts `func` to its source code.
+	 *
+	 * @private
+	 * @param {Function} func The function to convert.
+	 * @returns {string} Returns the source code.
+	 */
+	function toSource(func) {
+	  if (func != null) {
+	    try {
+	      return funcToString$1.call(func);
+	    } catch (e) {}
+	    try {
+	      return (func + '');
+	    } catch (e) {}
+	  }
+	  return '';
+	}
+
+	/**
+	 * Used to match `RegExp`
+	 * [syntax characters](http://ecma-international.org/ecma-262/7.0/#sec-patterns).
+	 */
+	var reRegExpChar = /[\\^$.*+?()[\]{}|]/g;
+
+	/** Used to detect host constructors (Safari). */
+	var reIsHostCtor = /^\[object .+?Constructor\]$/;
+
+	/** Used for built-in method references. */
+	var funcProto$2 = Function.prototype,
+	    objectProto$7 = Object.prototype;
+
+	/** Used to resolve the decompiled source of functions. */
+	var funcToString$2 = funcProto$2.toString;
+
+	/** Used to check objects for own properties. */
+	var hasOwnProperty$5 = objectProto$7.hasOwnProperty;
+
+	/** Used to detect if a method is native. */
+	var reIsNative = RegExp('^' +
+	  funcToString$2.call(hasOwnProperty$5).replace(reRegExpChar, '\\$&')
+	  .replace(/hasOwnProperty|(function).*?(?=\\\()| for .+?(?=\\\])/g, '$1.*?') + '$'
+	);
+
+	/**
+	 * The base implementation of `_.isNative` without bad shim checks.
+	 *
+	 * @private
+	 * @param {*} value The value to check.
+	 * @returns {boolean} Returns `true` if `value` is a native function,
+	 *  else `false`.
+	 */
+	function baseIsNative(value) {
+	  if (!isObject(value) || isMasked(value)) {
+	    return false;
+	  }
+	  var pattern = isFunction(value) ? reIsNative : reIsHostCtor;
+	  return pattern.test(toSource(value));
+	}
+
+	/**
+	 * Gets the value at `key` of `object`.
+	 *
+	 * @private
+	 * @param {Object} [object] The object to query.
+	 * @param {string} key The key of the property to get.
+	 * @returns {*} Returns the property value.
+	 */
+	function getValue(object, key) {
+	  return object == null ? undefined : object[key];
+	}
+
+	/**
+	 * Gets the native function at `key` of `object`.
+	 *
+	 * @private
+	 * @param {Object} object The object to query.
+	 * @param {string} key The key of the method to get.
+	 * @returns {*} Returns the function if it's native, else `undefined`.
+	 */
+	function getNative(object, key) {
+	  var value = getValue(object, key);
+	  return baseIsNative(value) ? value : undefined;
+	}
+
+	/* Built-in method references that are verified to be native. */
+	var Map$1 = getNative(root, 'Map');
+
+	/* Built-in method references that are verified to be native. */
+	var nativeCreate = getNative(Object, 'create');
+
+	/**
+	 * Removes all key-value entries from the hash.
+	 *
+	 * @private
+	 * @name clear
+	 * @memberOf Hash
+	 */
+	function hashClear() {
+	  this.__data__ = nativeCreate ? nativeCreate(null) : {};
+	  this.size = 0;
+	}
+
+	/**
+	 * Removes `key` and its value from the hash.
+	 *
+	 * @private
+	 * @name delete
+	 * @memberOf Hash
+	 * @param {Object} hash The hash to modify.
+	 * @param {string} key The key of the value to remove.
+	 * @returns {boolean} Returns `true` if the entry was removed, else `false`.
+	 */
+	function hashDelete(key) {
+	  var result = this.has(key) && delete this.__data__[key];
+	  this.size -= result ? 1 : 0;
+	  return result;
+	}
+
+	/** Used to stand-in for `undefined` hash values. */
+	var HASH_UNDEFINED = '__lodash_hash_undefined__';
+
+	/** Used for built-in method references. */
+	var objectProto$8 = Object.prototype;
+
+	/** Used to check objects for own properties. */
+	var hasOwnProperty$6 = objectProto$8.hasOwnProperty;
+
+	/**
+	 * Gets the hash value for `key`.
+	 *
+	 * @private
+	 * @name get
+	 * @memberOf Hash
+	 * @param {string} key The key of the value to get.
+	 * @returns {*} Returns the entry value.
+	 */
+	function hashGet(key) {
+	  var data = this.__data__;
+	  if (nativeCreate) {
+	    var result = data[key];
+	    return result === HASH_UNDEFINED ? undefined : result;
+	  }
+	  return hasOwnProperty$6.call(data, key) ? data[key] : undefined;
+	}
+
+	/** Used for built-in method references. */
+	var objectProto$9 = Object.prototype;
+
+	/** Used to check objects for own properties. */
+	var hasOwnProperty$7 = objectProto$9.hasOwnProperty;
+
+	/**
+	 * Checks if a hash value for `key` exists.
+	 *
+	 * @private
+	 * @name has
+	 * @memberOf Hash
+	 * @param {string} key The key of the entry to check.
+	 * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
+	 */
+	function hashHas(key) {
+	  var data = this.__data__;
+	  return nativeCreate ? (data[key] !== undefined) : hasOwnProperty$7.call(data, key);
+	}
+
+	/** Used to stand-in for `undefined` hash values. */
+	var HASH_UNDEFINED$1 = '__lodash_hash_undefined__';
+
+	/**
+	 * Sets the hash `key` to `value`.
+	 *
+	 * @private
+	 * @name set
+	 * @memberOf Hash
+	 * @param {string} key The key of the value to set.
+	 * @param {*} value The value to set.
+	 * @returns {Object} Returns the hash instance.
+	 */
+	function hashSet(key, value) {
+	  var data = this.__data__;
+	  this.size += this.has(key) ? 0 : 1;
+	  data[key] = (nativeCreate && value === undefined) ? HASH_UNDEFINED$1 : value;
+	  return this;
+	}
+
+	/**
+	 * Creates a hash object.
+	 *
+	 * @private
+	 * @constructor
+	 * @param {Array} [entries] The key-value pairs to cache.
+	 */
+	function Hash(entries) {
+	  var index = -1,
+	      length = entries == null ? 0 : entries.length;
+
+	  this.clear();
+	  while (++index < length) {
+	    var entry = entries[index];
+	    this.set(entry[0], entry[1]);
+	  }
+	}
+
+	// Add methods to `Hash`.
+	Hash.prototype.clear = hashClear;
+	Hash.prototype['delete'] = hashDelete;
+	Hash.prototype.get = hashGet;
+	Hash.prototype.has = hashHas;
+	Hash.prototype.set = hashSet;
+
+	/**
+	 * Removes all key-value entries from the map.
+	 *
+	 * @private
+	 * @name clear
+	 * @memberOf MapCache
+	 */
+	function mapCacheClear() {
+	  this.size = 0;
+	  this.__data__ = {
+	    'hash': new Hash,
+	    'map': new (Map$1 || ListCache),
+	    'string': new Hash
+	  };
+	}
+
+	/**
+	 * Checks if `value` is suitable for use as unique object key.
+	 *
+	 * @private
+	 * @param {*} value The value to check.
+	 * @returns {boolean} Returns `true` if `value` is suitable, else `false`.
+	 */
+	function isKeyable(value) {
+	  var type = typeof value;
+	  return (type == 'string' || type == 'number' || type == 'symbol' || type == 'boolean')
+	    ? (value !== '__proto__')
+	    : (value === null);
+	}
+
+	/**
+	 * Gets the data for `map`.
+	 *
+	 * @private
+	 * @param {Object} map The map to query.
+	 * @param {string} key The reference key.
+	 * @returns {*} Returns the map data.
+	 */
+	function getMapData(map, key) {
+	  var data = map.__data__;
+	  return isKeyable(key)
+	    ? data[typeof key == 'string' ? 'string' : 'hash']
+	    : data.map;
+	}
+
+	/**
+	 * Removes `key` and its value from the map.
+	 *
+	 * @private
+	 * @name delete
+	 * @memberOf MapCache
+	 * @param {string} key The key of the value to remove.
+	 * @returns {boolean} Returns `true` if the entry was removed, else `false`.
+	 */
+	function mapCacheDelete(key) {
+	  var result = getMapData(this, key)['delete'](key);
+	  this.size -= result ? 1 : 0;
+	  return result;
+	}
+
+	/**
+	 * Gets the map value for `key`.
+	 *
+	 * @private
+	 * @name get
+	 * @memberOf MapCache
+	 * @param {string} key The key of the value to get.
+	 * @returns {*} Returns the entry value.
+	 */
+	function mapCacheGet(key) {
+	  return getMapData(this, key).get(key);
+	}
+
+	/**
+	 * Checks if a map value for `key` exists.
+	 *
+	 * @private
+	 * @name has
+	 * @memberOf MapCache
+	 * @param {string} key The key of the entry to check.
+	 * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
+	 */
+	function mapCacheHas(key) {
+	  return getMapData(this, key).has(key);
+	}
+
+	/**
+	 * Sets the map `key` to `value`.
+	 *
+	 * @private
+	 * @name set
+	 * @memberOf MapCache
+	 * @param {string} key The key of the value to set.
+	 * @param {*} value The value to set.
+	 * @returns {Object} Returns the map cache instance.
+	 */
+	function mapCacheSet(key, value) {
+	  var data = getMapData(this, key),
+	      size = data.size;
+
+	  data.set(key, value);
+	  this.size += data.size == size ? 0 : 1;
+	  return this;
+	}
+
+	/**
+	 * Creates a map cache object to store key-value pairs.
+	 *
+	 * @private
+	 * @constructor
+	 * @param {Array} [entries] The key-value pairs to cache.
+	 */
+	function MapCache(entries) {
+	  var index = -1,
+	      length = entries == null ? 0 : entries.length;
+
+	  this.clear();
+	  while (++index < length) {
+	    var entry = entries[index];
+	    this.set(entry[0], entry[1]);
+	  }
+	}
+
+	// Add methods to `MapCache`.
+	MapCache.prototype.clear = mapCacheClear;
+	MapCache.prototype['delete'] = mapCacheDelete;
+	MapCache.prototype.get = mapCacheGet;
+	MapCache.prototype.has = mapCacheHas;
+	MapCache.prototype.set = mapCacheSet;
+
+	/** Used as the size to enable large array optimizations. */
+	var LARGE_ARRAY_SIZE = 200;
+
+	/**
+	 * Sets the stack `key` to `value`.
+	 *
+	 * @private
+	 * @name set
+	 * @memberOf Stack
+	 * @param {string} key The key of the value to set.
+	 * @param {*} value The value to set.
+	 * @returns {Object} Returns the stack cache instance.
+	 */
+	function stackSet(key, value) {
+	  var data = this.__data__;
+	  if (data instanceof ListCache) {
+	    var pairs = data.__data__;
+	    if (!Map$1 || (pairs.length < LARGE_ARRAY_SIZE - 1)) {
+	      pairs.push([key, value]);
+	      this.size = ++data.size;
+	      return this;
+	    }
+	    data = this.__data__ = new MapCache(pairs);
+	  }
+	  data.set(key, value);
+	  this.size = data.size;
+	  return this;
+	}
+
+	/**
+	 * Creates a stack cache object to store key-value pairs.
+	 *
+	 * @private
+	 * @constructor
+	 * @param {Array} [entries] The key-value pairs to cache.
+	 */
+	function Stack(entries) {
+	  var data = this.__data__ = new ListCache(entries);
+	  this.size = data.size;
+	}
+
+	// Add methods to `Stack`.
+	Stack.prototype.clear = stackClear;
+	Stack.prototype['delete'] = stackDelete;
+	Stack.prototype.get = stackGet;
+	Stack.prototype.has = stackHas;
+	Stack.prototype.set = stackSet;
+
+	/** Used to stand-in for `undefined` hash values. */
+	var HASH_UNDEFINED$2 = '__lodash_hash_undefined__';
+
+	/**
+	 * Adds `value` to the array cache.
+	 *
+	 * @private
+	 * @name add
+	 * @memberOf SetCache
+	 * @alias push
+	 * @param {*} value The value to cache.
+	 * @returns {Object} Returns the cache instance.
+	 */
+	function setCacheAdd(value) {
+	  this.__data__.set(value, HASH_UNDEFINED$2);
+	  return this;
+	}
+
+	/**
+	 * Checks if `value` is in the array cache.
+	 *
+	 * @private
+	 * @name has
+	 * @memberOf SetCache
+	 * @param {*} value The value to search for.
+	 * @returns {number} Returns `true` if `value` is found, else `false`.
+	 */
+	function setCacheHas(value) {
+	  return this.__data__.has(value);
+	}
+
+	/**
+	 *
+	 * Creates an array cache object to store unique values.
+	 *
+	 * @private
+	 * @constructor
+	 * @param {Array} [values] The values to cache.
+	 */
+	function SetCache(values) {
+	  var index = -1,
+	      length = values == null ? 0 : values.length;
+
+	  this.__data__ = new MapCache;
+	  while (++index < length) {
+	    this.add(values[index]);
+	  }
+	}
+
+	// Add methods to `SetCache`.
+	SetCache.prototype.add = SetCache.prototype.push = setCacheAdd;
+	SetCache.prototype.has = setCacheHas;
+
+	/**
+	 * A specialized version of `_.some` for arrays without support for iteratee
+	 * shorthands.
+	 *
+	 * @private
+	 * @param {Array} [array] The array to iterate over.
+	 * @param {Function} predicate The function invoked per iteration.
+	 * @returns {boolean} Returns `true` if any element passes the predicate check,
+	 *  else `false`.
+	 */
+	function arraySome(array, predicate) {
+	  var index = -1,
+	      length = array == null ? 0 : array.length;
+
+	  while (++index < length) {
+	    if (predicate(array[index], index, array)) {
+	      return true;
+	    }
+	  }
+	  return false;
+	}
+
+	/**
+	 * Checks if a `cache` value for `key` exists.
+	 *
+	 * @private
+	 * @param {Object} cache The cache to query.
+	 * @param {string} key The key of the entry to check.
+	 * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
+	 */
+	function cacheHas(cache, key) {
+	  return cache.has(key);
+	}
+
+	/** Used to compose bitmasks for value comparisons. */
+	var COMPARE_PARTIAL_FLAG = 1,
+	    COMPARE_UNORDERED_FLAG = 2;
+
+	/**
+	 * A specialized version of `baseIsEqualDeep` for arrays with support for
+	 * partial deep comparisons.
+	 *
+	 * @private
+	 * @param {Array} array The array to compare.
+	 * @param {Array} other The other array to compare.
+	 * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.
+	 * @param {Function} customizer The function to customize comparisons.
+	 * @param {Function} equalFunc The function to determine equivalents of values.
+	 * @param {Object} stack Tracks traversed `array` and `other` objects.
+	 * @returns {boolean} Returns `true` if the arrays are equivalent, else `false`.
+	 */
+	function equalArrays(array, other, bitmask, customizer, equalFunc, stack) {
+	  var isPartial = bitmask & COMPARE_PARTIAL_FLAG,
+	      arrLength = array.length,
+	      othLength = other.length;
+
+	  if (arrLength != othLength && !(isPartial && othLength > arrLength)) {
+	    return false;
+	  }
+	  // Assume cyclic values are equal.
+	  var stacked = stack.get(array);
+	  if (stacked && stack.get(other)) {
+	    return stacked == other;
+	  }
+	  var index = -1,
+	      result = true,
+	      seen = (bitmask & COMPARE_UNORDERED_FLAG) ? new SetCache : undefined;
+
+	  stack.set(array, other);
+	  stack.set(other, array);
+
+	  // Ignore non-index properties.
+	  while (++index < arrLength) {
+	    var arrValue = array[index],
+	        othValue = other[index];
+
+	    if (customizer) {
+	      var compared = isPartial
+	        ? customizer(othValue, arrValue, index, other, array, stack)
+	        : customizer(arrValue, othValue, index, array, other, stack);
+	    }
+	    if (compared !== undefined) {
+	      if (compared) {
+	        continue;
+	      }
+	      result = false;
+	      break;
+	    }
+	    // Recursively compare arrays (susceptible to call stack limits).
+	    if (seen) {
+	      if (!arraySome(other, function(othValue, othIndex) {
+	            if (!cacheHas(seen, othIndex) &&
+	                (arrValue === othValue || equalFunc(arrValue, othValue, bitmask, customizer, stack))) {
+	              return seen.push(othIndex);
+	            }
+	          })) {
+	        result = false;
+	        break;
+	      }
+	    } else if (!(
+	          arrValue === othValue ||
+	            equalFunc(arrValue, othValue, bitmask, customizer, stack)
+	        )) {
+	      result = false;
+	      break;
+	    }
+	  }
+	  stack['delete'](array);
+	  stack['delete'](other);
+	  return result;
+	}
+
+	/** Built-in value references. */
+	var Uint8Array$1 = root.Uint8Array;
+
+	/**
+	 * Converts `map` to its key-value pairs.
+	 *
+	 * @private
+	 * @param {Object} map The map to convert.
+	 * @returns {Array} Returns the key-value pairs.
+	 */
+	function mapToArray(map) {
+	  var index = -1,
+	      result = Array(map.size);
+
+	  map.forEach(function(value, key) {
+	    result[++index] = [key, value];
+	  });
+	  return result;
+	}
+
+	/**
+	 * Converts `set` to an array of its values.
+	 *
+	 * @private
+	 * @param {Object} set The set to convert.
+	 * @returns {Array} Returns the values.
+	 */
+	function setToArray(set) {
+	  var index = -1,
+	      result = Array(set.size);
+
+	  set.forEach(function(value) {
+	    result[++index] = value;
+	  });
+	  return result;
+	}
+
+	/** Used to compose bitmasks for value comparisons. */
+	var COMPARE_PARTIAL_FLAG$1 = 1,
+	    COMPARE_UNORDERED_FLAG$1 = 2;
+
+	/** `Object#toString` result references. */
+	var boolTag$2 = '[object Boolean]',
+	    dateTag$1 = '[object Date]',
+	    errorTag$1 = '[object Error]',
+	    mapTag$1 = '[object Map]',
+	    numberTag$2 = '[object Number]',
+	    regexpTag$1 = '[object RegExp]',
+	    setTag$1 = '[object Set]',
+	    stringTag$2 = '[object String]',
+	    symbolTag$1 = '[object Symbol]';
+
+	var arrayBufferTag$1 = '[object ArrayBuffer]',
+	    dataViewTag$1 = '[object DataView]';
+
+	/** Used to convert symbols to primitives and strings. */
+	var symbolProto$1 = Symbol$1 ? Symbol$1.prototype : undefined,
+	    symbolValueOf = symbolProto$1 ? symbolProto$1.valueOf : undefined;
+
+	/**
+	 * A specialized version of `baseIsEqualDeep` for comparing objects of
+	 * the same `toStringTag`.
+	 *
+	 * **Note:** This function only supports comparing values with tags of
+	 * `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`.
+	 *
+	 * @private
+	 * @param {Object} object The object to compare.
+	 * @param {Object} other The other object to compare.
+	 * @param {string} tag The `toStringTag` of the objects to compare.
+	 * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.
+	 * @param {Function} customizer The function to customize comparisons.
+	 * @param {Function} equalFunc The function to determine equivalents of values.
+	 * @param {Object} stack Tracks traversed `object` and `other` objects.
+	 * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
+	 */
+	function equalByTag(object, other, tag, bitmask, customizer, equalFunc, stack) {
+	  switch (tag) {
+	    case dataViewTag$1:
+	      if ((object.byteLength != other.byteLength) ||
+	          (object.byteOffset != other.byteOffset)) {
+	        return false;
+	      }
+	      object = object.buffer;
+	      other = other.buffer;
+
+	    case arrayBufferTag$1:
+	      if ((object.byteLength != other.byteLength) ||
+	          !equalFunc(new Uint8Array$1(object), new Uint8Array$1(other))) {
+	        return false;
+	      }
+	      return true;
+
+	    case boolTag$2:
+	    case dateTag$1:
+	    case numberTag$2:
+	      // Coerce booleans to `1` or `0` and dates to milliseconds.
+	      // Invalid dates are coerced to `NaN`.
+	      return eq(+object, +other);
+
+	    case errorTag$1:
+	      return object.name == other.name && object.message == other.message;
+
+	    case regexpTag$1:
+	    case stringTag$2:
+	      // Coerce regexes to strings and treat strings, primitives and objects,
+	      // as equal. See http://www.ecma-international.org/ecma-262/7.0/#sec-regexp.prototype.tostring
+	      // for more details.
+	      return object == (other + '');
+
+	    case mapTag$1:
+	      var convert = mapToArray;
+
+	    case setTag$1:
+	      var isPartial = bitmask & COMPARE_PARTIAL_FLAG$1;
+	      convert || (convert = setToArray);
+
+	      if (object.size != other.size && !isPartial) {
+	        return false;
+	      }
+	      // Assume cyclic values are equal.
+	      var stacked = stack.get(object);
+	      if (stacked) {
+	        return stacked == other;
+	      }
+	      bitmask |= COMPARE_UNORDERED_FLAG$1;
+
+	      // Recursively compare objects (susceptible to call stack limits).
+	      stack.set(object, other);
+	      var result = equalArrays(convert(object), convert(other), bitmask, customizer, equalFunc, stack);
+	      stack['delete'](object);
+	      return result;
+
+	    case symbolTag$1:
+	      if (symbolValueOf) {
+	        return symbolValueOf.call(object) == symbolValueOf.call(other);
+	      }
+	  }
+	  return false;
+	}
+
+	/**
+	 * Appends the elements of `values` to `array`.
+	 *
+	 * @private
+	 * @param {Array} array The array to modify.
+	 * @param {Array} values The values to append.
+	 * @returns {Array} Returns `array`.
+	 */
+	function arrayPush(array, values) {
+	  var index = -1,
+	      length = values.length,
+	      offset = array.length;
+
+	  while (++index < length) {
+	    array[offset + index] = values[index];
+	  }
+	  return array;
+	}
+
+	/**
+	 * The base implementation of `getAllKeys` and `getAllKeysIn` which uses
+	 * `keysFunc` and `symbolsFunc` to get the enumerable property names and
+	 * symbols of `object`.
+	 *
+	 * @private
+	 * @param {Object} object The object to query.
+	 * @param {Function} keysFunc The function to get the keys of `object`.
+	 * @param {Function} symbolsFunc The function to get the symbols of `object`.
+	 * @returns {Array} Returns the array of property names and symbols.
+	 */
+	function baseGetAllKeys(object, keysFunc, symbolsFunc) {
+	  var result = keysFunc(object);
+	  return isArray(object) ? result : arrayPush(result, symbolsFunc(object));
+	}
+
+	/**
+	 * This method returns a new empty array.
+	 *
+	 * @static
+	 * @memberOf _
+	 * @since 4.13.0
+	 * @category Util
+	 * @returns {Array} Returns the new empty array.
+	 * @example
+	 *
+	 * var arrays = _.times(2, _.stubArray);
+	 *
+	 * console.log(arrays);
+	 * // => [[], []]
+	 *
+	 * console.log(arrays[0] === arrays[1]);
+	 * // => false
+	 */
+	function stubArray() {
+	  return [];
+	}
+
+	/** Used for built-in method references. */
+	var objectProto$a = Object.prototype;
+
+	/** Built-in value references. */
+	var propertyIsEnumerable$1 = objectProto$a.propertyIsEnumerable;
+
+	/* Built-in method references for those with the same name as other `lodash` methods. */
+	var nativeGetSymbols = Object.getOwnPropertySymbols;
+
+	/**
+	 * Creates an array of the own enumerable symbols of `object`.
+	 *
+	 * @private
+	 * @param {Object} object The object to query.
+	 * @returns {Array} Returns the array of symbols.
+	 */
+	var getSymbols = !nativeGetSymbols ? stubArray : function(object) {
+	  if (object == null) {
+	    return [];
+	  }
+	  object = Object(object);
+	  return arrayFilter(nativeGetSymbols(object), function(symbol) {
+	    return propertyIsEnumerable$1.call(object, symbol);
+	  });
+	};
+
+	/**
+	 * Creates an array of own enumerable property names and symbols of `object`.
+	 *
+	 * @private
+	 * @param {Object} object The object to query.
+	 * @returns {Array} Returns the array of property names and symbols.
+	 */
+	function getAllKeys(object) {
+	  return baseGetAllKeys(object, keys, getSymbols);
+	}
+
+	/** Used to compose bitmasks for value comparisons. */
+	var COMPARE_PARTIAL_FLAG$2 = 1;
+
+	/** Used for built-in method references. */
+	var objectProto$b = Object.prototype;
+
+	/** Used to check objects for own properties. */
+	var hasOwnProperty$8 = objectProto$b.hasOwnProperty;
+
+	/**
+	 * A specialized version of `baseIsEqualDeep` for objects with support for
+	 * partial deep comparisons.
+	 *
+	 * @private
+	 * @param {Object} object The object to compare.
+	 * @param {Object} other The other object to compare.
+	 * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.
+	 * @param {Function} customizer The function to customize comparisons.
+	 * @param {Function} equalFunc The function to determine equivalents of values.
+	 * @param {Object} stack Tracks traversed `object` and `other` objects.
+	 * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
+	 */
+	function equalObjects(object, other, bitmask, customizer, equalFunc, stack) {
+	  var isPartial = bitmask & COMPARE_PARTIAL_FLAG$2,
+	      objProps = getAllKeys(object),
+	      objLength = objProps.length,
+	      othProps = getAllKeys(other),
+	      othLength = othProps.length;
+
+	  if (objLength != othLength && !isPartial) {
+	    return false;
+	  }
+	  var index = objLength;
+	  while (index--) {
+	    var key = objProps[index];
+	    if (!(isPartial ? key in other : hasOwnProperty$8.call(other, key))) {
+	      return false;
+	    }
+	  }
+	  // Assume cyclic values are equal.
+	  var stacked = stack.get(object);
+	  if (stacked && stack.get(other)) {
+	    return stacked == other;
+	  }
+	  var result = true;
+	  stack.set(object, other);
+	  stack.set(other, object);
+
+	  var skipCtor = isPartial;
+	  while (++index < objLength) {
+	    key = objProps[index];
+	    var objValue = object[key],
+	        othValue = other[key];
+
+	    if (customizer) {
+	      var compared = isPartial
+	        ? customizer(othValue, objValue, key, other, object, stack)
+	        : customizer(objValue, othValue, key, object, other, stack);
+	    }
+	    // Recursively compare objects (susceptible to call stack limits).
+	    if (!(compared === undefined
+	          ? (objValue === othValue || equalFunc(objValue, othValue, bitmask, customizer, stack))
+	          : compared
+	        )) {
+	      result = false;
+	      break;
+	    }
+	    skipCtor || (skipCtor = key == 'constructor');
+	  }
+	  if (result && !skipCtor) {
+	    var objCtor = object.constructor,
+	        othCtor = other.constructor;
+
+	    // Non `Object` object instances with different constructors are not equal.
+	    if (objCtor != othCtor &&
+	        ('constructor' in object && 'constructor' in other) &&
+	        !(typeof objCtor == 'function' && objCtor instanceof objCtor &&
+	          typeof othCtor == 'function' && othCtor instanceof othCtor)) {
+	      result = false;
+	    }
+	  }
+	  stack['delete'](object);
+	  stack['delete'](other);
+	  return result;
+	}
+
+	/* Built-in method references that are verified to be native. */
+	var DataView = getNative(root, 'DataView');
+
+	/* Built-in method references that are verified to be native. */
+	var Promise$1 = getNative(root, 'Promise');
+
+	/* Built-in method references that are verified to be native. */
+	var Set$1 = getNative(root, 'Set');
+
+	/* Built-in method references that are verified to be native. */
+	var WeakMap$1 = getNative(root, 'WeakMap');
+
+	/** `Object#toString` result references. */
+	var mapTag$2 = '[object Map]',
+	    objectTag$2 = '[object Object]',
+	    promiseTag = '[object Promise]',
+	    setTag$2 = '[object Set]',
+	    weakMapTag$1 = '[object WeakMap]';
+
+	var dataViewTag$2 = '[object DataView]';
+
+	/** Used to detect maps, sets, and weakmaps. */
+	var dataViewCtorString = toSource(DataView),
+	    mapCtorString = toSource(Map$1),
+	    promiseCtorString = toSource(Promise$1),
+	    setCtorString = toSource(Set$1),
+	    weakMapCtorString = toSource(WeakMap$1);
+
+	/**
+	 * Gets the `toStringTag` of `value`.
+	 *
+	 * @private
+	 * @param {*} value The value to query.
+	 * @returns {string} Returns the `toStringTag`.
+	 */
+	var getTag = baseGetTag;
+
+	// Fallback for data views, maps, sets, and weak maps in IE 11 and promises in Node.js < 6.
+	if ((DataView && getTag(new DataView(new ArrayBuffer(1))) != dataViewTag$2) ||
+	    (Map$1 && getTag(new Map$1) != mapTag$2) ||
+	    (Promise$1 && getTag(Promise$1.resolve()) != promiseTag) ||
+	    (Set$1 && getTag(new Set$1) != setTag$2) ||
+	    (WeakMap$1 && getTag(new WeakMap$1) != weakMapTag$1)) {
+	  getTag = function(value) {
+	    var result = baseGetTag(value),
+	        Ctor = result == objectTag$2 ? value.constructor : undefined,
+	        ctorString = Ctor ? toSource(Ctor) : '';
+
+	    if (ctorString) {
+	      switch (ctorString) {
+	        case dataViewCtorString: return dataViewTag$2;
+	        case mapCtorString: return mapTag$2;
+	        case promiseCtorString: return promiseTag;
+	        case setCtorString: return setTag$2;
+	        case weakMapCtorString: return weakMapTag$1;
+	      }
+	    }
+	    return result;
+	  };
+	}
+
+	var getTag$1 = getTag;
+
+	/** Used to compose bitmasks for value comparisons. */
+	var COMPARE_PARTIAL_FLAG$3 = 1;
+
+	/** `Object#toString` result references. */
+	var argsTag$2 = '[object Arguments]',
+	    arrayTag$1 = '[object Array]',
+	    objectTag$3 = '[object Object]';
+
+	/** Used for built-in method references. */
+	var objectProto$c = Object.prototype;
+
+	/** Used to check objects for own properties. */
+	var hasOwnProperty$9 = objectProto$c.hasOwnProperty;
+
+	/**
+	 * A specialized version of `baseIsEqual` for arrays and objects which performs
+	 * deep comparisons and tracks traversed objects enabling objects with circular
+	 * references to be compared.
+	 *
+	 * @private
+	 * @param {Object} object The object to compare.
+	 * @param {Object} other The other object to compare.
+	 * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.
+	 * @param {Function} customizer The function to customize comparisons.
+	 * @param {Function} equalFunc The function to determine equivalents of values.
+	 * @param {Object} [stack] Tracks traversed `object` and `other` objects.
+	 * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
+	 */
+	function baseIsEqualDeep(object, other, bitmask, customizer, equalFunc, stack) {
+	  var objIsArr = isArray(object),
+	      othIsArr = isArray(other),
+	      objTag = objIsArr ? arrayTag$1 : getTag$1(object),
+	      othTag = othIsArr ? arrayTag$1 : getTag$1(other);
+
+	  objTag = objTag == argsTag$2 ? objectTag$3 : objTag;
+	  othTag = othTag == argsTag$2 ? objectTag$3 : othTag;
+
+	  var objIsObj = objTag == objectTag$3,
+	      othIsObj = othTag == objectTag$3,
+	      isSameTag = objTag == othTag;
+
+	  if (isSameTag && isBuffer(object)) {
+	    if (!isBuffer(other)) {
+	      return false;
+	    }
+	    objIsArr = true;
+	    objIsObj = false;
+	  }
+	  if (isSameTag && !objIsObj) {
+	    stack || (stack = new Stack);
+	    return (objIsArr || isTypedArray(object))
+	      ? equalArrays(object, other, bitmask, customizer, equalFunc, stack)
+	      : equalByTag(object, other, objTag, bitmask, customizer, equalFunc, stack);
+	  }
+	  if (!(bitmask & COMPARE_PARTIAL_FLAG$3)) {
+	    var objIsWrapped = objIsObj && hasOwnProperty$9.call(object, '__wrapped__'),
+	        othIsWrapped = othIsObj && hasOwnProperty$9.call(other, '__wrapped__');
+
+	    if (objIsWrapped || othIsWrapped) {
+	      var objUnwrapped = objIsWrapped ? object.value() : object,
+	          othUnwrapped = othIsWrapped ? other.value() : other;
+
+	      stack || (stack = new Stack);
+	      return equalFunc(objUnwrapped, othUnwrapped, bitmask, customizer, stack);
+	    }
+	  }
+	  if (!isSameTag) {
+	    return false;
+	  }
+	  stack || (stack = new Stack);
+	  return equalObjects(object, other, bitmask, customizer, equalFunc, stack);
+	}
+
+	/**
+	 * The base implementation of `_.isEqual` which supports partial comparisons
+	 * and tracks traversed objects.
+	 *
+	 * @private
+	 * @param {*} value The value to compare.
+	 * @param {*} other The other value to compare.
+	 * @param {boolean} bitmask The bitmask flags.
+	 *  1 - Unordered comparison
+	 *  2 - Partial comparison
+	 * @param {Function} [customizer] The function to customize comparisons.
+	 * @param {Object} [stack] Tracks traversed `value` and `other` objects.
+	 * @returns {boolean} Returns `true` if the values are equivalent, else `false`.
+	 */
+	function baseIsEqual(value, other, bitmask, customizer, stack) {
+	  if (value === other) {
+	    return true;
+	  }
+	  if (value == null || other == null || (!isObjectLike(value) && !isObjectLike(other))) {
+	    return value !== value && other !== other;
+	  }
+	  return baseIsEqualDeep(value, other, bitmask, customizer, baseIsEqual, stack);
+	}
+
+	/** Used to compose bitmasks for value comparisons. */
+	var COMPARE_PARTIAL_FLAG$4 = 1,
+	    COMPARE_UNORDERED_FLAG$2 = 2;
+
+	/**
+	 * The base implementation of `_.isMatch` without support for iteratee shorthands.
+	 *
+	 * @private
+	 * @param {Object} object The object to inspect.
+	 * @param {Object} source The object of property values to match.
+	 * @param {Array} matchData The property names, values, and compare flags to match.
+	 * @param {Function} [customizer] The function to customize comparisons.
+	 * @returns {boolean} Returns `true` if `object` is a match, else `false`.
+	 */
+	function baseIsMatch(object, source, matchData, customizer) {
+	  var index = matchData.length,
+	      length = index,
+	      noCustomizer = !customizer;
+
+	  if (object == null) {
+	    return !length;
+	  }
+	  object = Object(object);
+	  while (index--) {
+	    var data = matchData[index];
+	    if ((noCustomizer && data[2])
+	          ? data[1] !== object[data[0]]
+	          : !(data[0] in object)
+	        ) {
+	      return false;
+	    }
+	  }
+	  while (++index < length) {
+	    data = matchData[index];
+	    var key = data[0],
+	        objValue = object[key],
+	        srcValue = data[1];
+
+	    if (noCustomizer && data[2]) {
+	      if (objValue === undefined && !(key in object)) {
+	        return false;
+	      }
+	    } else {
+	      var stack = new Stack;
+	      if (customizer) {
+	        var result = customizer(objValue, srcValue, key, object, source, stack);
+	      }
+	      if (!(result === undefined
+	            ? baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG$4 | COMPARE_UNORDERED_FLAG$2, customizer, stack)
+	            : result
+	          )) {
+	        return false;
+	      }
+	    }
+	  }
+	  return true;
+	}
+
+	/**
+	 * Checks if `value` is suitable for strict equality comparisons, i.e. `===`.
+	 *
+	 * @private
+	 * @param {*} value The value to check.
+	 * @returns {boolean} Returns `true` if `value` if suitable for strict
+	 *  equality comparisons, else `false`.
+	 */
+	function isStrictComparable(value) {
+	  return value === value && !isObject(value);
+	}
+
+	/**
+	 * Gets the property names, values, and compare flags of `object`.
+	 *
+	 * @private
+	 * @param {Object} object The object to query.
+	 * @returns {Array} Returns the match data of `object`.
+	 */
+	function getMatchData(object) {
+	  var result = keys(object),
+	      length = result.length;
+
+	  while (length--) {
+	    var key = result[length],
+	        value = object[key];
+
+	    result[length] = [key, value, isStrictComparable(value)];
+	  }
+	  return result;
+	}
+
+	/**
+	 * A specialized version of `matchesProperty` for source values suitable
+	 * for strict equality comparisons, i.e. `===`.
+	 *
+	 * @private
+	 * @param {string} key The key of the property to get.
+	 * @param {*} srcValue The value to match.
+	 * @returns {Function} Returns the new spec function.
+	 */
+	function matchesStrictComparable(key, srcValue) {
+	  return function(object) {
+	    if (object == null) {
+	      return false;
+	    }
+	    return object[key] === srcValue &&
+	      (srcValue !== undefined || (key in Object(object)));
+	  };
+	}
+
+	/**
+	 * The base implementation of `_.matches` which doesn't clone `source`.
+	 *
+	 * @private
+	 * @param {Object} source The object of property values to match.
+	 * @returns {Function} Returns the new spec function.
+	 */
+	function baseMatches(source) {
+	  var matchData = getMatchData(source);
+	  if (matchData.length == 1 && matchData[0][2]) {
+	    return matchesStrictComparable(matchData[0][0], matchData[0][1]);
+	  }
+	  return function(object) {
+	    return object === source || baseIsMatch(object, source, matchData);
+	  };
+	}
+
+	/** Used to match property names within property paths. */
+	var reIsDeepProp = /\.|\[(?:[^[\]]*|(["'])(?:(?!\1)[^\\]|\\.)*?\1)\]/,
+	    reIsPlainProp = /^\w*$/;
+
+	/**
+	 * Checks if `value` is a property name and not a property path.
+	 *
+	 * @private
+	 * @param {*} value The value to check.
+	 * @param {Object} [object] The object to query keys on.
+	 * @returns {boolean} Returns `true` if `value` is a property name, else `false`.
+	 */
+	function isKey(value, object) {
+	  if (isArray(value)) {
+	    return false;
+	  }
+	  var type = typeof value;
+	  if (type == 'number' || type == 'symbol' || type == 'boolean' ||
+	      value == null || isSymbol(value)) {
+	    return true;
+	  }
+	  return reIsPlainProp.test(value) || !reIsDeepProp.test(value) ||
+	    (object != null && value in Object(object));
+	}
+
+	/** Error message constants. */
+	var FUNC_ERROR_TEXT = 'Expected a function';
+
+	/**
+	 * Creates a function that memoizes the result of `func`. If `resolver` is
+	 * provided, it determines the cache key for storing the result based on the
+	 * arguments provided to the memoized function. By default, the first argument
+	 * provided to the memoized function is used as the map cache key. The `func`
+	 * is invoked with the `this` binding of the memoized function.
+	 *
+	 * **Note:** The cache is exposed as the `cache` property on the memoized
+	 * function. Its creation may be customized by replacing the `_.memoize.Cache`
+	 * constructor with one whose instances implement the
+	 * [`Map`](http://ecma-international.org/ecma-262/7.0/#sec-properties-of-the-map-prototype-object)
+	 * method interface of `clear`, `delete`, `get`, `has`, and `set`.
+	 *
+	 * @static
+	 * @memberOf _
+	 * @since 0.1.0
+	 * @category Function
+	 * @param {Function} func The function to have its output memoized.
+	 * @param {Function} [resolver] The function to resolve the cache key.
+	 * @returns {Function} Returns the new memoized function.
+	 * @example
+	 *
+	 * var object = { 'a': 1, 'b': 2 };
+	 * var other = { 'c': 3, 'd': 4 };
+	 *
+	 * var values = _.memoize(_.values);
+	 * values(object);
+	 * // => [1, 2]
+	 *
+	 * values(other);
+	 * // => [3, 4]
+	 *
+	 * object.a = 2;
+	 * values(object);
+	 * // => [1, 2]
+	 *
+	 * // Modify the result cache.
+	 * values.cache.set(object, ['a', 'b']);
+	 * values(object);
+	 * // => ['a', 'b']
+	 *
+	 * // Replace `_.memoize.Cache`.
+	 * _.memoize.Cache = WeakMap;
+	 */
+	function memoize(func, resolver) {
+	  if (typeof func != 'function' || (resolver != null && typeof resolver != 'function')) {
+	    throw new TypeError(FUNC_ERROR_TEXT);
+	  }
+	  var memoized = function() {
+	    var args = arguments,
+	        key = resolver ? resolver.apply(this, args) : args[0],
+	        cache = memoized.cache;
+
+	    if (cache.has(key)) {
+	      return cache.get(key);
+	    }
+	    var result = func.apply(this, args);
+	    memoized.cache = cache.set(key, result) || cache;
+	    return result;
+	  };
+	  memoized.cache = new (memoize.Cache || MapCache);
+	  return memoized;
+	}
+
+	// Expose `MapCache`.
+	memoize.Cache = MapCache;
+
+	/** Used as the maximum memoize cache size. */
+	var MAX_MEMOIZE_SIZE = 500;
+
+	/**
+	 * A specialized version of `_.memoize` which clears the memoized function's
+	 * cache when it exceeds `MAX_MEMOIZE_SIZE`.
+	 *
+	 * @private
+	 * @param {Function} func The function to have its output memoized.
+	 * @returns {Function} Returns the new memoized function.
+	 */
+	function memoizeCapped(func) {
+	  var result = memoize(func, function(key) {
+	    if (cache.size === MAX_MEMOIZE_SIZE) {
+	      cache.clear();
+	    }
+	    return key;
+	  });
+
+	  var cache = result.cache;
+	  return result;
+	}
+
+	/** Used to match property names within property paths. */
+	var rePropName = /[^.[\]]+|\[(?:(-?\d+(?:\.\d+)?)|(["'])((?:(?!\2)[^\\]|\\.)*?)\2)\]|(?=(?:\.|\[\])(?:\.|\[\]|$))/g;
+
+	/** Used to match backslashes in property paths. */
+	var reEscapeChar = /\\(\\)?/g;
+
+	/**
+	 * Converts `string` to a property path array.
+	 *
+	 * @private
+	 * @param {string} string The string to convert.
+	 * @returns {Array} Returns the property path array.
+	 */
+	var stringToPath = memoizeCapped(function(string) {
+	  var result = [];
+	  if (string.charCodeAt(0) === 46 /* . */) {
+	    result.push('');
+	  }
+	  string.replace(rePropName, function(match, number, quote, subString) {
+	    result.push(quote ? subString.replace(reEscapeChar, '$1') : (number || match));
+	  });
+	  return result;
+	});
+
+	/**
+	 * Casts `value` to a path array if it's not one.
+	 *
+	 * @private
+	 * @param {*} value The value to inspect.
+	 * @param {Object} [object] The object to query keys on.
+	 * @returns {Array} Returns the cast property path array.
+	 */
+	function castPath(value, object) {
+	  if (isArray(value)) {
+	    return value;
+	  }
+	  return isKey(value, object) ? [value] : stringToPath(toString(value));
+	}
+
+	/** Used as references for various `Number` constants. */
+	var INFINITY$1 = 1 / 0;
+
+	/**
+	 * Converts `value` to a string key if it's not a string or symbol.
+	 *
+	 * @private
+	 * @param {*} value The value to inspect.
+	 * @returns {string|symbol} Returns the key.
+	 */
+	function toKey(value) {
+	  if (typeof value == 'string' || isSymbol(value)) {
+	    return value;
+	  }
+	  var result = (value + '');
+	  return (result == '0' && (1 / value) == -INFINITY$1) ? '-0' : result;
+	}
+
+	/**
+	 * The base implementation of `_.get` without support for default values.
+	 *
+	 * @private
+	 * @param {Object} object The object to query.
+	 * @param {Array|string} path The path of the property to get.
+	 * @returns {*} Returns the resolved value.
+	 */
+	function baseGet(object, path) {
+	  path = castPath(path, object);
+
+	  var index = 0,
+	      length = path.length;
+
+	  while (object != null && index < length) {
+	    object = object[toKey(path[index++])];
+	  }
+	  return (index && index == length) ? object : undefined;
+	}
+
+	/**
+	 * Gets the value at `path` of `object`. If the resolved value is
+	 * `undefined`, the `defaultValue` is returned in its place.
+	 *
+	 * @static
+	 * @memberOf _
+	 * @since 3.7.0
+	 * @category Object
+	 * @param {Object} object The object to query.
+	 * @param {Array|string} path The path of the property to get.
+	 * @param {*} [defaultValue] The value returned for `undefined` resolved values.
+	 * @returns {*} Returns the resolved value.
+	 * @example
+	 *
+	 * var object = { 'a': [{ 'b': { 'c': 3 } }] };
+	 *
+	 * _.get(object, 'a[0].b.c');
+	 * // => 3
+	 *
+	 * _.get(object, ['a', '0', 'b', 'c']);
+	 * // => 3
+	 *
+	 * _.get(object, 'a.b.c', 'default');
+	 * // => 'default'
+	 */
+	function get(object, path, defaultValue) {
+	  var result = object == null ? undefined : baseGet(object, path);
+	  return result === undefined ? defaultValue : result;
+	}
+
+	/**
+	 * The base implementation of `_.hasIn` without support for deep paths.
+	 *
+	 * @private
+	 * @param {Object} [object] The object to query.
+	 * @param {Array|string} key The key to check.
+	 * @returns {boolean} Returns `true` if `key` exists, else `false`.
+	 */
+	function baseHasIn(object, key) {
+	  return object != null && key in Object(object);
+	}
+
+	/**
+	 * Checks if `path` exists on `object`.
+	 *
+	 * @private
+	 * @param {Object} object The object to query.
+	 * @param {Array|string} path The path to check.
+	 * @param {Function} hasFunc The function to check properties.
+	 * @returns {boolean} Returns `true` if `path` exists, else `false`.
+	 */
+	function hasPath(object, path, hasFunc) {
+	  path = castPath(path, object);
+
+	  var index = -1,
+	      length = path.length,
+	      result = false;
+
+	  while (++index < length) {
+	    var key = toKey(path[index]);
+	    if (!(result = object != null && hasFunc(object, key))) {
+	      break;
+	    }
+	    object = object[key];
+	  }
+	  if (result || ++index != length) {
+	    return result;
+	  }
+	  length = object == null ? 0 : object.length;
+	  return !!length && isLength(length) && isIndex(key, length) &&
+	    (isArray(object) || isArguments(object));
+	}
+
+	/**
+	 * Checks if `path` is a direct or inherited property of `object`.
+	 *
+	 * @static
+	 * @memberOf _
+	 * @since 4.0.0
+	 * @category Object
+	 * @param {Object} object The object to query.
+	 * @param {Array|string} path The path to check.
+	 * @returns {boolean} Returns `true` if `path` exists, else `false`.
+	 * @example
+	 *
+	 * var object = _.create({ 'a': _.create({ 'b': 2 }) });
+	 *
+	 * _.hasIn(object, 'a');
+	 * // => true
+	 *
+	 * _.hasIn(object, 'a.b');
+	 * // => true
+	 *
+	 * _.hasIn(object, ['a', 'b']);
+	 * // => true
+	 *
+	 * _.hasIn(object, 'b');
+	 * // => false
+	 */
+	function hasIn(object, path) {
+	  return object != null && hasPath(object, path, baseHasIn);
+	}
+
+	/** Used to compose bitmasks for value comparisons. */
+	var COMPARE_PARTIAL_FLAG$5 = 1,
+	    COMPARE_UNORDERED_FLAG$3 = 2;
+
+	/**
+	 * The base implementation of `_.matchesProperty` which doesn't clone `srcValue`.
+	 *
+	 * @private
+	 * @param {string} path The path of the property to get.
+	 * @param {*} srcValue The value to match.
+	 * @returns {Function} Returns the new spec function.
+	 */
+	function baseMatchesProperty(path, srcValue) {
+	  if (isKey(path) && isStrictComparable(srcValue)) {
+	    return matchesStrictComparable(toKey(path), srcValue);
+	  }
+	  return function(object) {
+	    var objValue = get(object, path);
+	    return (objValue === undefined && objValue === srcValue)
+	      ? hasIn(object, path)
+	      : baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG$5 | COMPARE_UNORDERED_FLAG$3);
+	  };
+	}
+
+	/**
+	 * This method returns the first argument it receives.
+	 *
+	 * @static
+	 * @since 0.1.0
+	 * @memberOf _
+	 * @category Util
+	 * @param {*} value Any value.
+	 * @returns {*} Returns `value`.
+	 * @example
+	 *
+	 * var object = { 'a': 1 };
+	 *
+	 * console.log(_.identity(object) === object);
+	 * // => true
+	 */
+	function identity(value) {
+	  return value;
+	}
+
+	/**
+	 * The base implementation of `_.property` without support for deep paths.
+	 *
+	 * @private
+	 * @param {string} key The key of the property to get.
+	 * @returns {Function} Returns the new accessor function.
+	 */
+	function baseProperty(key) {
+	  return function(object) {
+	    return object == null ? undefined : object[key];
+	  };
+	}
+
+	/**
+	 * A specialized version of `baseProperty` which supports deep paths.
+	 *
+	 * @private
+	 * @param {Array|string} path The path of the property to get.
+	 * @returns {Function} Returns the new accessor function.
+	 */
+	function basePropertyDeep(path) {
+	  return function(object) {
+	    return baseGet(object, path);
+	  };
+	}
+
+	/**
+	 * Creates a function that returns the value at `path` of a given object.
+	 *
+	 * @static
+	 * @memberOf _
+	 * @since 2.4.0
+	 * @category Util
+	 * @param {Array|string} path The path of the property to get.
+	 * @returns {Function} Returns the new accessor function.
+	 * @example
+	 *
+	 * var objects = [
+	 *   { 'a': { 'b': 2 } },
+	 *   { 'a': { 'b': 1 } }
+	 * ];
+	 *
+	 * _.map(objects, _.property('a.b'));
+	 * // => [2, 1]
+	 *
+	 * _.map(_.sortBy(objects, _.property(['a', 'b'])), 'a.b');
+	 * // => [1, 2]
+	 */
+	function property(path) {
+	  return isKey(path) ? baseProperty(toKey(path)) : basePropertyDeep(path);
+	}
+
+	/**
+	 * The base implementation of `_.iteratee`.
+	 *
+	 * @private
+	 * @param {*} [value=_.identity] The value to convert to an iteratee.
+	 * @returns {Function} Returns the iteratee.
+	 */
+	function baseIteratee(value) {
+	  // Don't store the `typeof` result in a variable to avoid a JIT bug in Safari 9.
+	  // See https://bugs.webkit.org/show_bug.cgi?id=156034 for more details.
+	  if (typeof value == 'function') {
+	    return value;
+	  }
+	  if (value == null) {
+	    return identity;
+	  }
+	  if (typeof value == 'object') {
+	    return isArray(value)
+	      ? baseMatchesProperty(value[0], value[1])
+	      : baseMatches(value);
+	  }
+	  return property(value);
+	}
+
+	var defineProperty = (function() {
+	  try {
+	    var func = getNative(Object, 'defineProperty');
+	    func({}, '', {});
+	    return func;
+	  } catch (e) {}
+	}());
+
+	/**
+	 * The base implementation of `assignValue` and `assignMergeValue` without
+	 * value checks.
+	 *
+	 * @private
+	 * @param {Object} object The object to modify.
+	 * @param {string} key The key of the property to assign.
+	 * @param {*} value The value to assign.
+	 */
+	function baseAssignValue(object, key, value) {
+	  if (key == '__proto__' && defineProperty) {
+	    defineProperty(object, key, {
+	      'configurable': true,
+	      'enumerable': true,
+	      'value': value,
+	      'writable': true
+	    });
+	  } else {
+	    object[key] = value;
+	  }
+	}
+
+	/**
+	 * This function is like `assignValue` except that it doesn't assign
+	 * `undefined` values.
+	 *
+	 * @private
+	 * @param {Object} object The object to modify.
+	 * @param {string} key The key of the property to assign.
+	 * @param {*} value The value to assign.
+	 */
+	function assignMergeValue(object, key, value) {
+	  if ((value !== undefined && !eq(object[key], value)) ||
+	      (value === undefined && !(key in object))) {
+	    baseAssignValue(object, key, value);
+	  }
+	}
+
+	/** Detect free variable `exports`. */
+	var freeExports$2 = typeof exports == 'object' && exports && !exports.nodeType && exports;
+
+	/** Detect free variable `module`. */
+	var freeModule$2 = freeExports$2 && typeof module == 'object' && module && !module.nodeType && module;
+
+	/** Detect the popular CommonJS extension `module.exports`. */
+	var moduleExports$2 = freeModule$2 && freeModule$2.exports === freeExports$2;
+
+	/** Built-in value references. */
+	var Buffer$1 = moduleExports$2 ? root.Buffer : undefined,
+	    allocUnsafe = Buffer$1 ? Buffer$1.allocUnsafe : undefined;
+
+	/**
+	 * Creates a clone of  `buffer`.
+	 *
+	 * @private
+	 * @param {Buffer} buffer The buffer to clone.
+	 * @param {boolean} [isDeep] Specify a deep clone.
+	 * @returns {Buffer} Returns the cloned buffer.
+	 */
+	function cloneBuffer(buffer, isDeep) {
+	  if (isDeep) {
+	    return buffer.slice();
+	  }
+	  var length = buffer.length,
+	      result = allocUnsafe ? allocUnsafe(length) : new buffer.constructor(length);
+
+	  buffer.copy(result);
+	  return result;
+	}
+
+	/**
+	 * Creates a clone of `arrayBuffer`.
+	 *
+	 * @private
+	 * @param {ArrayBuffer} arrayBuffer The array buffer to clone.
+	 * @returns {ArrayBuffer} Returns the cloned array buffer.
+	 */
+	function cloneArrayBuffer(arrayBuffer) {
+	  var result = new arrayBuffer.constructor(arrayBuffer.byteLength);
+	  new Uint8Array$1(result).set(new Uint8Array$1(arrayBuffer));
+	  return result;
+	}
+
+	/**
+	 * Creates a clone of `typedArray`.
+	 *
+	 * @private
+	 * @param {Object} typedArray The typed array to clone.
+	 * @param {boolean} [isDeep] Specify a deep clone.
+	 * @returns {Object} Returns the cloned typed array.
+	 */
+	function cloneTypedArray(typedArray, isDeep) {
+	  var buffer = isDeep ? cloneArrayBuffer(typedArray.buffer) : typedArray.buffer;
+	  return new typedArray.constructor(buffer, typedArray.byteOffset, typedArray.length);
+	}
+
+	/**
+	 * Copies the values of `source` to `array`.
+	 *
+	 * @private
+	 * @param {Array} source The array to copy values from.
+	 * @param {Array} [array=[]] The array to copy values to.
+	 * @returns {Array} Returns `array`.
+	 */
+	function copyArray(source, array) {
+	  var index = -1,
+	      length = source.length;
+
+	  array || (array = Array(length));
+	  while (++index < length) {
+	    array[index] = source[index];
+	  }
+	  return array;
+	}
+
+	/** Built-in value references. */
+	var objectCreate = Object.create;
+
+	/**
+	 * The base implementation of `_.create` without support for assigning
+	 * properties to the created object.
+	 *
+	 * @private
+	 * @param {Object} proto The object to inherit from.
+	 * @returns {Object} Returns the new object.
+	 */
+	var baseCreate = (function() {
+	  function object() {}
+	  return function(proto) {
+	    if (!isObject(proto)) {
+	      return {};
+	    }
+	    if (objectCreate) {
+	      return objectCreate(proto);
+	    }
+	    object.prototype = proto;
+	    var result = new object;
+	    object.prototype = undefined;
+	    return result;
+	  };
+	}());
+
+	/**
+	 * Initializes an object clone.
+	 *
+	 * @private
+	 * @param {Object} object The object to clone.
+	 * @returns {Object} Returns the initialized clone.
+	 */
+	function initCloneObject(object) {
+	  return (typeof object.constructor == 'function' && !isPrototype(object))
+	    ? baseCreate(getPrototype(object))
+	    : {};
+	}
+
+	/**
+	 * This method is like `_.isArrayLike` except that it also checks if `value`
+	 * is an object.
+	 *
+	 * @static
+	 * @memberOf _
+	 * @since 4.0.0
+	 * @category Lang
+	 * @param {*} value The value to check.
+	 * @returns {boolean} Returns `true` if `value` is an array-like object,
+	 *  else `false`.
+	 * @example
+	 *
+	 * _.isArrayLikeObject([1, 2, 3]);
+	 * // => true
+	 *
+	 * _.isArrayLikeObject(document.body.children);
+	 * // => true
+	 *
+	 * _.isArrayLikeObject('abc');
+	 * // => false
+	 *
+	 * _.isArrayLikeObject(_.noop);
+	 * // => false
+	 */
+	function isArrayLikeObject(value) {
+	  return isObjectLike(value) && isArrayLike(value);
+	}
+
+	/**
+	 * Gets the value at `key`, unless `key` is "__proto__" or "constructor".
+	 *
+	 * @private
+	 * @param {Object} object The object to query.
+	 * @param {string} key The key of the property to get.
+	 * @returns {*} Returns the property value.
+	 */
+	function safeGet(object, key) {
+	  if (key === 'constructor' && typeof object[key] === 'function') {
+	    return;
+	  }
+
+	  if (key == '__proto__') {
+	    return;
+	  }
+
+	  return object[key];
+	}
+
+	/** Used for built-in method references. */
+	var objectProto$d = Object.prototype;
+
+	/** Used to check objects for own properties. */
+	var hasOwnProperty$a = objectProto$d.hasOwnProperty;
+
+	/**
+	 * Assigns `value` to `key` of `object` if the existing value is not equivalent
+	 * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
+	 * for equality comparisons.
+	 *
+	 * @private
+	 * @param {Object} object The object to modify.
+	 * @param {string} key The key of the property to assign.
+	 * @param {*} value The value to assign.
+	 */
+	function assignValue(object, key, value) {
+	  var objValue = object[key];
+	  if (!(hasOwnProperty$a.call(object, key) && eq(objValue, value)) ||
+	      (value === undefined && !(key in object))) {
+	    baseAssignValue(object, key, value);
+	  }
+	}
+
+	/**
+	 * Copies properties of `source` to `object`.
+	 *
+	 * @private
+	 * @param {Object} source The object to copy properties from.
+	 * @param {Array} props The property identifiers to copy.
+	 * @param {Object} [object={}] The object to copy properties to.
+	 * @param {Function} [customizer] The function to customize copied values.
+	 * @returns {Object} Returns `object`.
+	 */
+	function copyObject(source, props, object, customizer) {
+	  var isNew = !object;
+	  object || (object = {});
+
+	  var index = -1,
+	      length = props.length;
+
+	  while (++index < length) {
+	    var key = props[index];
+
+	    var newValue = customizer
+	      ? customizer(object[key], source[key], key, object, source)
+	      : undefined;
+
+	    if (newValue === undefined) {
+	      newValue = source[key];
+	    }
+	    if (isNew) {
+	      baseAssignValue(object, key, newValue);
+	    } else {
+	      assignValue(object, key, newValue);
+	    }
+	  }
+	  return object;
+	}
+
+	/**
+	 * This function is like
+	 * [`Object.keys`](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)
+	 * except that it includes inherited enumerable properties.
+	 *
+	 * @private
+	 * @param {Object} object The object to query.
+	 * @returns {Array} Returns the array of property names.
+	 */
+	function nativeKeysIn(object) {
+	  var result = [];
+	  if (object != null) {
+	    for (var key in Object(object)) {
+	      result.push(key);
+	    }
+	  }
+	  return result;
+	}
+
+	/** Used for built-in method references. */
+	var objectProto$e = Object.prototype;
+
+	/** Used to check objects for own properties. */
+	var hasOwnProperty$b = objectProto$e.hasOwnProperty;
+
+	/**
+	 * The base implementation of `_.keysIn` which doesn't treat sparse arrays as dense.
+	 *
+	 * @private
+	 * @param {Object} object The object to query.
+	 * @returns {Array} Returns the array of property names.
+	 */
+	function baseKeysIn(object) {
+	  if (!isObject(object)) {
+	    return nativeKeysIn(object);
+	  }
+	  var isProto = isPrototype(object),
+	      result = [];
+
+	  for (var key in object) {
+	    if (!(key == 'constructor' && (isProto || !hasOwnProperty$b.call(object, key)))) {
+	      result.push(key);
+	    }
+	  }
+	  return result;
+	}
+
+	/**
+	 * Creates an array of the own and inherited enumerable property names of `object`.
+	 *
+	 * **Note:** Non-object values are coerced to objects.
+	 *
+	 * @static
+	 * @memberOf _
+	 * @since 3.0.0
+	 * @category Object
+	 * @param {Object} object The object to query.
+	 * @returns {Array} Returns the array of property names.
+	 * @example
+	 *
+	 * function Foo() {
+	 *   this.a = 1;
+	 *   this.b = 2;
+	 * }
+	 *
+	 * Foo.prototype.c = 3;
+	 *
+	 * _.keysIn(new Foo);
+	 * // => ['a', 'b', 'c'] (iteration order is not guaranteed)
+	 */
+	function keysIn(object) {
+	  return isArrayLike(object) ? arrayLikeKeys(object, true) : baseKeysIn(object);
+	}
+
+	/**
+	 * Converts `value` to a plain object flattening inherited enumerable string
+	 * keyed properties of `value` to own properties of the plain object.
+	 *
+	 * @static
+	 * @memberOf _
+	 * @since 3.0.0
+	 * @category Lang
+	 * @param {*} value The value to convert.
+	 * @returns {Object} Returns the converted plain object.
+	 * @example
+	 *
+	 * function Foo() {
+	 *   this.b = 2;
+	 * }
+	 *
+	 * Foo.prototype.c = 3;
+	 *
+	 * _.assign({ 'a': 1 }, new Foo);
+	 * // => { 'a': 1, 'b': 2 }
+	 *
+	 * _.assign({ 'a': 1 }, _.toPlainObject(new Foo));
+	 * // => { 'a': 1, 'b': 2, 'c': 3 }
+	 */
+	function toPlainObject(value) {
+	  return copyObject(value, keysIn(value));
+	}
+
+	/**
+	 * A specialized version of `baseMerge` for arrays and objects which performs
+	 * deep merges and tracks traversed objects enabling objects with circular
+	 * references to be merged.
+	 *
+	 * @private
+	 * @param {Object} object The destination object.
+	 * @param {Object} source The source object.
+	 * @param {string} key The key of the value to merge.
+	 * @param {number} srcIndex The index of `source`.
+	 * @param {Function} mergeFunc The function to merge values.
+	 * @param {Function} [customizer] The function to customize assigned values.
+	 * @param {Object} [stack] Tracks traversed source values and their merged
+	 *  counterparts.
+	 */
+	function baseMergeDeep(object, source, key, srcIndex, mergeFunc, customizer, stack) {
+	  var objValue = safeGet(object, key),
+	      srcValue = safeGet(source, key),
+	      stacked = stack.get(srcValue);
+
+	  if (stacked) {
+	    assignMergeValue(object, key, stacked);
+	    return;
+	  }
+	  var newValue = customizer
+	    ? customizer(objValue, srcValue, (key + ''), object, source, stack)
+	    : undefined;
+
+	  var isCommon = newValue === undefined;
+
+	  if (isCommon) {
+	    var isArr = isArray(srcValue),
+	        isBuff = !isArr && isBuffer(srcValue),
+	        isTyped = !isArr && !isBuff && isTypedArray(srcValue);
+
+	    newValue = srcValue;
+	    if (isArr || isBuff || isTyped) {
+	      if (isArray(objValue)) {
+	        newValue = objValue;
+	      }
+	      else if (isArrayLikeObject(objValue)) {
+	        newValue = copyArray(objValue);
+	      }
+	      else if (isBuff) {
+	        isCommon = false;
+	        newValue = cloneBuffer(srcValue, true);
+	      }
+	      else if (isTyped) {
+	        isCommon = false;
+	        newValue = cloneTypedArray(srcValue, true);
+	      }
+	      else {
+	        newValue = [];
+	      }
+	    }
+	    else if (isPlainObject(srcValue) || isArguments(srcValue)) {
+	      newValue = objValue;
+	      if (isArguments(objValue)) {
+	        newValue = toPlainObject(objValue);
+	      }
+	      else if (!isObject(objValue) || isFunction(objValue)) {
+	        newValue = initCloneObject(srcValue);
+	      }
+	    }
+	    else {
+	      isCommon = false;
+	    }
+	  }
+	  if (isCommon) {
+	    // Recursively merge objects and arrays (susceptible to call stack limits).
+	    stack.set(srcValue, newValue);
+	    mergeFunc(newValue, srcValue, srcIndex, customizer, stack);
+	    stack['delete'](srcValue);
+	  }
+	  assignMergeValue(object, key, newValue);
+	}
+
+	/**
+	 * The base implementation of `_.merge` without support for multiple sources.
+	 *
+	 * @private
+	 * @param {Object} object The destination object.
+	 * @param {Object} source The source object.
+	 * @param {number} srcIndex The index of `source`.
+	 * @param {Function} [customizer] The function to customize merged values.
+	 * @param {Object} [stack] Tracks traversed source values and their merged
+	 *  counterparts.
+	 */
+	function baseMerge(object, source, srcIndex, customizer, stack) {
+	  if (object === source) {
+	    return;
+	  }
+	  baseFor(source, function(srcValue, key) {
+	    stack || (stack = new Stack);
+	    if (isObject(srcValue)) {
+	      baseMergeDeep(object, source, key, srcIndex, baseMerge, customizer, stack);
+	    }
+	    else {
+	      var newValue = customizer
+	        ? customizer(safeGet(object, key), srcValue, (key + ''), object, source, stack)
+	        : undefined;
+
+	      if (newValue === undefined) {
+	        newValue = srcValue;
+	      }
+	      assignMergeValue(object, key, newValue);
+	    }
+	  }, keysIn);
+	}
+
+	/**
+	 * A faster alternative to `Function#apply`, this function invokes `func`
+	 * with the `this` binding of `thisArg` and the arguments of `args`.
+	 *
+	 * @private
+	 * @param {Function} func The function to invoke.
+	 * @param {*} thisArg The `this` binding of `func`.
+	 * @param {Array} args The arguments to invoke `func` with.
+	 * @returns {*} Returns the result of `func`.
+	 */
+	function apply(func, thisArg, args) {
+	  switch (args.length) {
+	    case 0: return func.call(thisArg);
+	    case 1: return func.call(thisArg, args[0]);
+	    case 2: return func.call(thisArg, args[0], args[1]);
+	    case 3: return func.call(thisArg, args[0], args[1], args[2]);
+	  }
+	  return func.apply(thisArg, args);
+	}
+
+	/* Built-in method references for those with the same name as other `lodash` methods. */
+	var nativeMax = Math.max;
+
+	/**
+	 * A specialized version of `baseRest` which transforms the rest array.
+	 *
+	 * @private
+	 * @param {Function} func The function to apply a rest parameter to.
+	 * @param {number} [start=func.length-1] The start position of the rest parameter.
+	 * @param {Function} transform The rest array transform.
+	 * @returns {Function} Returns the new function.
+	 */
+	function overRest(func, start, transform) {
+	  start = nativeMax(start === undefined ? (func.length - 1) : start, 0);
+	  return function() {
+	    var args = arguments,
+	        index = -1,
+	        length = nativeMax(args.length - start, 0),
+	        array = Array(length);
+
+	    while (++index < length) {
+	      array[index] = args[start + index];
+	    }
+	    index = -1;
+	    var otherArgs = Array(start + 1);
+	    while (++index < start) {
+	      otherArgs[index] = args[index];
+	    }
+	    otherArgs[start] = transform(array);
+	    return apply(func, this, otherArgs);
+	  };
+	}
+
+	/**
+	 * Creates a function that returns `value`.
+	 *
+	 * @static
+	 * @memberOf _
+	 * @since 2.4.0
+	 * @category Util
+	 * @param {*} value The value to return from the new function.
+	 * @returns {Function} Returns the new constant function.
+	 * @example
+	 *
+	 * var objects = _.times(2, _.constant({ 'a': 1 }));
+	 *
+	 * console.log(objects);
+	 * // => [{ 'a': 1 }, { 'a': 1 }]
+	 *
+	 * console.log(objects[0] === objects[1]);
+	 * // => true
+	 */
+	function constant(value) {
+	  return function() {
+	    return value;
+	  };
+	}
+
+	/**
+	 * The base implementation of `setToString` without support for hot loop shorting.
+	 *
+	 * @private
+	 * @param {Function} func The function to modify.
+	 * @param {Function} string The `toString` result.
+	 * @returns {Function} Returns `func`.
+	 */
+	var baseSetToString = !defineProperty ? identity : function(func, string) {
+	  return defineProperty(func, 'toString', {
+	    'configurable': true,
+	    'enumerable': false,
+	    'value': constant(string),
+	    'writable': true
+	  });
+	};
+
+	/** Used to detect hot functions by number of calls within a span of milliseconds. */
+	var HOT_COUNT = 800,
+	    HOT_SPAN = 16;
+
+	/* Built-in method references for those with the same name as other `lodash` methods. */
+	var nativeNow = Date.now;
+
+	/**
+	 * Creates a function that'll short out and invoke `identity` instead
+	 * of `func` when it's called `HOT_COUNT` or more times in `HOT_SPAN`
+	 * milliseconds.
+	 *
+	 * @private
+	 * @param {Function} func The function to restrict.
+	 * @returns {Function} Returns the new shortable function.
+	 */
+	function shortOut(func) {
+	  var count = 0,
+	      lastCalled = 0;
+
+	  return function() {
+	    var stamp = nativeNow(),
+	        remaining = HOT_SPAN - (stamp - lastCalled);
+
+	    lastCalled = stamp;
+	    if (remaining > 0) {
+	      if (++count >= HOT_COUNT) {
+	        return arguments[0];
+	      }
+	    } else {
+	      count = 0;
+	    }
+	    return func.apply(undefined, arguments);
+	  };
+	}
+
+	/**
+	 * Sets the `toString` method of `func` to return `string`.
+	 *
+	 * @private
+	 * @param {Function} func The function to modify.
+	 * @param {Function} string The `toString` result.
+	 * @returns {Function} Returns `func`.
+	 */
+	var setToString = shortOut(baseSetToString);
+
+	/**
+	 * The base implementation of `_.rest` which doesn't validate or coerce arguments.
+	 *
+	 * @private
+	 * @param {Function} func The function to apply a rest parameter to.
+	 * @param {number} [start=func.length-1] The start position of the rest parameter.
+	 * @returns {Function} Returns the new function.
+	 */
+	function baseRest(func, start) {
+	  return setToString(overRest(func, start, identity), func + '');
+	}
+
+	/**
+	 * Checks if the given arguments are from an iteratee call.
+	 *
+	 * @private
+	 * @param {*} value The potential iteratee value argument.
+	 * @param {*} index The potential iteratee index or key argument.
+	 * @param {*} object The potential iteratee object argument.
+	 * @returns {boolean} Returns `true` if the arguments are from an iteratee call,
+	 *  else `false`.
+	 */
+	function isIterateeCall(value, index, object) {
+	  if (!isObject(object)) {
+	    return false;
+	  }
+	  var type = typeof index;
+	  if (type == 'number'
+	        ? (isArrayLike(object) && isIndex(index, object.length))
+	        : (type == 'string' && index in object)
+	      ) {
+	    return eq(object[index], value);
+	  }
+	  return false;
+	}
+
+	/**
+	 * Creates a function like `_.assign`.
+	 *
+	 * @private
+	 * @param {Function} assigner The function to assign values.
+	 * @returns {Function} Returns the new assigner function.
+	 */
+	function createAssigner(assigner) {
+	  return baseRest(function(object, sources) {
+	    var index = -1,
+	        length = sources.length,
+	        customizer = length > 1 ? sources[length - 1] : undefined,
+	        guard = length > 2 ? sources[2] : undefined;
+
+	    customizer = (assigner.length > 3 && typeof customizer == 'function')
+	      ? (length--, customizer)
+	      : undefined;
+
+	    if (guard && isIterateeCall(sources[0], sources[1], guard)) {
+	      customizer = length < 3 ? undefined : customizer;
+	      length = 1;
+	    }
+	    object = Object(object);
+	    while (++index < length) {
+	      var source = sources[index];
+	      if (source) {
+	        assigner(object, source, index, customizer);
+	      }
+	    }
+	    return object;
+	  });
+	}
+
+	/**
+	 * This method is like `_.assign` except that it recursively merges own and
+	 * inherited enumerable string keyed properties of source objects into the
+	 * destination object. Source properties that resolve to `undefined` are
+	 * skipped if a destination value exists. Array and plain object properties
+	 * are merged recursively. Other objects and value types are overridden by
+	 * assignment. Source objects are applied from left to right. Subsequent
+	 * sources overwrite property assignments of previous sources.
+	 *
+	 * **Note:** This method mutates `object`.
+	 *
+	 * @static
+	 * @memberOf _
+	 * @since 0.5.0
+	 * @category Object
+	 * @param {Object} object The destination object.
+	 * @param {...Object} [sources] The source objects.
+	 * @returns {Object} Returns `object`.
+	 * @example
+	 *
+	 * var object = {
+	 *   'a': [{ 'b': 2 }, { 'd': 4 }]
+	 * };
+	 *
+	 * var other = {
+	 *   'a': [{ 'c': 3 }, { 'e': 5 }]
+	 * };
+	 *
+	 * _.merge(object, other);
+	 * // => { 'a': [{ 'b': 2, 'c': 3 }, { 'd': 4, 'e': 5 }] }
+	 */
+	var merge = createAssigner(function(object, source, srcIndex) {
+	  baseMerge(object, source, srcIndex);
+	});
+
+	/**
+	 * Creates an object with the same keys as `object` and values generated
+	 * by running each own enumerable string keyed property of `object` thru
+	 * `iteratee`. The iteratee is invoked with three arguments:
+	 * (value, key, object).
+	 *
+	 * @static
+	 * @memberOf _
+	 * @since 2.4.0
+	 * @category Object
+	 * @param {Object} object The object to iterate over.
+	 * @param {Function} [iteratee=_.identity] The function invoked per iteration.
+	 * @returns {Object} Returns the new mapped object.
+	 * @see _.mapKeys
+	 * @example
+	 *
+	 * var users = {
+	 *   'fred':    { 'user': 'fred',    'age': 40 },
+	 *   'pebbles': { 'user': 'pebbles', 'age': 1 }
+	 * };
+	 *
+	 * _.mapValues(users, function(o) { return o.age; });
+	 * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed)
+	 *
+	 * // The `_.property` iteratee shorthand.
+	 * _.mapValues(users, 'age');
+	 * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed)
+	 */
+	function mapValues(object, iteratee) {
+	  var result = {};
+	  iteratee = baseIteratee(iteratee);
+
+	  baseForOwn(object, function(value, key, object) {
+	    baseAssignValue(result, key, iteratee(value, key, object));
+	  });
+	  return result;
+	}
+
+	/**
+	 * The opposite of `_.mapValues`; this method creates an object with the
+	 * same values as `object` and keys generated by running each own enumerable
+	 * string keyed property of `object` thru `iteratee`. The iteratee is invoked
+	 * with three arguments: (value, key, object).
+	 *
+	 * @static
+	 * @memberOf _
+	 * @since 3.8.0
+	 * @category Object
+	 * @param {Object} object The object to iterate over.
+	 * @param {Function} [iteratee=_.identity] The function invoked per iteration.
+	 * @returns {Object} Returns the new mapped object.
+	 * @see _.mapValues
+	 * @example
+	 *
+	 * _.mapKeys({ 'a': 1, 'b': 2 }, function(value, key) {
+	 *   return key + value;
+	 * });
+	 * // => { 'a1': 1, 'b2': 2 }
+	 */
+	function mapKeys(object, iteratee) {
+	  var result = {};
+	  iteratee = baseIteratee(iteratee);
+
+	  baseForOwn(object, function(value, key, object) {
+	    baseAssignValue(result, iteratee(value, key, object), value);
+	  });
+	  return result;
+	}
+
+	/** Error message constants. */
+	var FUNC_ERROR_TEXT$1 = 'Expected a function';
+
+	/**
+	 * Creates a function that negates the result of the predicate `func`. The
+	 * `func` predicate is invoked with the `this` binding and arguments of the
+	 * created function.
+	 *
+	 * @static
+	 * @memberOf _
+	 * @since 3.0.0
+	 * @category Function
+	 * @param {Function} predicate The predicate to negate.
+	 * @returns {Function} Returns the new negated function.
+	 * @example
+	 *
+	 * function isEven(n) {
+	 *   return n % 2 == 0;
+	 * }
+	 *
+	 * _.filter([1, 2, 3, 4, 5, 6], _.negate(isEven));
+	 * // => [1, 3, 5]
+	 */
+	function negate(predicate) {
+	  if (typeof predicate != 'function') {
+	    throw new TypeError(FUNC_ERROR_TEXT$1);
+	  }
+	  return function() {
+	    var args = arguments;
+	    switch (args.length) {
+	      case 0: return !predicate.call(this);
+	      case 1: return !predicate.call(this, args[0]);
+	      case 2: return !predicate.call(this, args[0], args[1]);
+	      case 3: return !predicate.call(this, args[0], args[1], args[2]);
+	    }
+	    return !predicate.apply(this, args);
+	  };
+	}
+
+	/**
+	 * The base implementation of `_.set`.
+	 *
+	 * @private
+	 * @param {Object} object The object to modify.
+	 * @param {Array|string} path The path of the property to set.
+	 * @param {*} value The value to set.
+	 * @param {Function} [customizer] The function to customize path creation.
+	 * @returns {Object} Returns `object`.
+	 */
+	function baseSet(object, path, value, customizer) {
+	  if (!isObject(object)) {
+	    return object;
+	  }
+	  path = castPath(path, object);
+
+	  var index = -1,
+	      length = path.length,
+	      lastIndex = length - 1,
+	      nested = object;
+
+	  while (nested != null && ++index < length) {
+	    var key = toKey(path[index]),
+	        newValue = value;
+
+	    if (index != lastIndex) {
+	      var objValue = nested[key];
+	      newValue = customizer ? customizer(objValue, key, nested) : undefined;
+	      if (newValue === undefined) {
+	        newValue = isObject(objValue)
+	          ? objValue
+	          : (isIndex(path[index + 1]) ? [] : {});
+	      }
+	    }
+	    assignValue(nested, key, newValue);
+	    nested = nested[key];
+	  }
+	  return object;
+	}
+
+	/**
+	 * The base implementation of  `_.pickBy` without support for iteratee shorthands.
+	 *
+	 * @private
+	 * @param {Object} object The source object.
+	 * @param {string[]} paths The property paths to pick.
+	 * @param {Function} predicate The function invoked per property.
+	 * @returns {Object} Returns the new object.
+	 */
+	function basePickBy(object, paths, predicate) {
+	  var index = -1,
+	      length = paths.length,
+	      result = {};
+
+	  while (++index < length) {
+	    var path = paths[index],
+	        value = baseGet(object, path);
+
+	    if (predicate(value, path)) {
+	      baseSet(result, castPath(path, object), value);
+	    }
+	  }
+	  return result;
+	}
+
+	/* Built-in method references for those with the same name as other `lodash` methods. */
+	var nativeGetSymbols$1 = Object.getOwnPropertySymbols;
+
+	/**
+	 * Creates an array of the own and inherited enumerable symbols of `object`.
+	 *
+	 * @private
+	 * @param {Object} object The object to query.
+	 * @returns {Array} Returns the array of symbols.
+	 */
+	var getSymbolsIn = !nativeGetSymbols$1 ? stubArray : function(object) {
+	  var result = [];
+	  while (object) {
+	    arrayPush(result, getSymbols(object));
+	    object = getPrototype(object);
+	  }
+	  return result;
+	};
+
+	/**
+	 * Creates an array of own and inherited enumerable property names and
+	 * symbols of `object`.
+	 *
+	 * @private
+	 * @param {Object} object The object to query.
+	 * @returns {Array} Returns the array of property names and symbols.
+	 */
+	function getAllKeysIn(object) {
+	  return baseGetAllKeys(object, keysIn, getSymbolsIn);
+	}
+
+	/**
+	 * Creates an object composed of the `object` properties `predicate` returns
+	 * truthy for. The predicate is invoked with two arguments: (value, key).
+	 *
+	 * @static
+	 * @memberOf _
+	 * @since 4.0.0
+	 * @category Object
+	 * @param {Object} object The source object.
+	 * @param {Function} [predicate=_.identity] The function invoked per property.
+	 * @returns {Object} Returns the new object.
+	 * @example
+	 *
+	 * var object = { 'a': 1, 'b': '2', 'c': 3 };
+	 *
+	 * _.pickBy(object, _.isNumber);
+	 * // => { 'a': 1, 'c': 3 }
+	 */
+	function pickBy(object, predicate) {
+	  if (object == null) {
+	    return {};
+	  }
+	  var props = arrayMap(getAllKeysIn(object), function(prop) {
+	    return [prop];
+	  });
+	  predicate = baseIteratee(predicate);
+	  return basePickBy(object, props, function(value, path) {
+	    return predicate(value, path[0]);
+	  });
+	}
+
+	/**
+	 * The opposite of `_.pickBy`; this method creates an object composed of
+	 * the own and inherited enumerable string keyed properties of `object` that
+	 * `predicate` doesn't return truthy for. The predicate is invoked with two
+	 * arguments: (value, key).
+	 *
+	 * @static
+	 * @memberOf _
+	 * @since 4.0.0
+	 * @category Object
+	 * @param {Object} object The source object.
+	 * @param {Function} [predicate=_.identity] The function invoked per property.
+	 * @returns {Object} Returns the new object.
+	 * @example
+	 *
+	 * var object = { 'a': 1, 'b': '2', 'c': 3 };
+	 *
+	 * _.omitBy(object, _.isNumber);
+	 * // => { 'b': '2' }
+	 */
+	function omitBy(object, predicate) {
+	  return pickBy(object, negate(baseIteratee(predicate)));
+	}
+
+	/**
+	 * Performs a deep comparison between two values to determine if they are
+	 * equivalent.
+	 *
+	 * **Note:** This method supports comparing arrays, array buffers, booleans,
+	 * date objects, error objects, maps, numbers, `Object` objects, regexes,
+	 * sets, strings, symbols, and typed arrays. `Object` objects are compared
+	 * by their own, not inherited, enumerable properties. Functions and DOM
+	 * nodes are compared by strict equality, i.e. `===`.
+	 *
+	 * @static
+	 * @memberOf _
+	 * @since 0.1.0
+	 * @category Lang
+	 * @param {*} value The value to compare.
+	 * @param {*} other The other value to compare.
+	 * @returns {boolean} Returns `true` if the values are equivalent, else `false`.
+	 * @example
+	 *
+	 * var object = { 'a': 1 };
+	 * var other = { 'a': 1 };
+	 *
+	 * _.isEqual(object, other);
+	 * // => true
+	 *
+	 * object === other;
+	 * // => false
+	 */
+	function isEqual(value, other) {
+	  return baseIsEqual(value, other);
+	}
+
+	/**
+	 * The base implementation of methods like `_.findKey` and `_.findLastKey`,
+	 * without support for iteratee shorthands, which iterates over `collection`
+	 * using `eachFunc`.
+	 *
+	 * @private
+	 * @param {Array|Object} collection The collection to inspect.
+	 * @param {Function} predicate The function invoked per iteration.
+	 * @param {Function} eachFunc The function to iterate over `collection`.
+	 * @returns {*} Returns the found element or its key, else `undefined`.
+	 */
+	function baseFindKey(collection, predicate, eachFunc) {
+	  var result;
+	  eachFunc(collection, function(value, key, collection) {
+	    if (predicate(value, key, collection)) {
+	      result = key;
+	      return false;
+	    }
+	  });
+	  return result;
+	}
+
+	/**
+	 * This method is like `_.find` except that it returns the key of the first
+	 * element `predicate` returns truthy for instead of the element itself.
+	 *
+	 * @static
+	 * @memberOf _
+	 * @since 1.1.0
+	 * @category Object
+	 * @param {Object} object The object to inspect.
+	 * @param {Function} [predicate=_.identity] The function invoked per iteration.
+	 * @returns {string|undefined} Returns the key of the matched element,
+	 *  else `undefined`.
+	 * @example
+	 *
+	 * var users = {
+	 *   'barney':  { 'age': 36, 'active': true },
+	 *   'fred':    { 'age': 40, 'active': false },
+	 *   'pebbles': { 'age': 1,  'active': true }
+	 * };
+	 *
+	 * _.findKey(users, function(o) { return o.age < 40; });
+	 * // => 'barney' (iteration order is not guaranteed)
+	 *
+	 * // The `_.matches` iteratee shorthand.
+	 * _.findKey(users, { 'age': 1, 'active': true });
+	 * // => 'pebbles'
+	 *
+	 * // The `_.matchesProperty` iteratee shorthand.
+	 * _.findKey(users, ['active', false]);
+	 * // => 'fred'
+	 *
+	 * // The `_.property` iteratee shorthand.
+	 * _.findKey(users, 'active');
+	 * // => 'barney'
+	 */
+	function findKey(object, predicate) {
+	  return baseFindKey(object, baseIteratee(predicate), baseForOwn);
+	}
+
+	/**
+	 * Check several parameter that there is something in the param
+	 * @param {*} param input
+	 * @return {boolean}
+	 */
+
+	function notEmpty (a) {
+	  if (isArray(a)) {
+	    return true;
+	  }
+	  return a !== undefined && a !== null && trim(a) !== '';
+	}
+
+	// validator numbers
+	/**
+	 * @2015-05-04 found a problem if the value is a number like string
+	 * it will pass, so add a check if it's string before we pass to next
+	 * @param {number} value expected value
+	 * @return {boolean} true if OK
+	 */
+	var checkIsNumber = function(value) {
+	  return isString(value) ? false : !isNaN$1( parseFloat(value) )
+	};
+
+	// validate string type
+	/**
+	 * @param {string} value expected value
+	 * @return {boolean} true if OK
+	 */
+	var checkIsString = function(value) {
+	  return (trim(value) !== '') ? isString(value) : false;
+	};
+
+	// check for boolean
+	/**
+	 * @param {boolean} value expected
+	 * @return {boolean} true if OK
+	 */
+	var checkIsBoolean = function(value) {
+	  return isBoolean(value);
+	};
+
+	// validate any thing only check if there is something
+	/**
+	 * @param {*} value the value
+	 * @param {boolean} [checkNull=true] strict check if there is null value
+	 * @return {boolean} true is OK
+	 */
+	var checkIsAny = function(value, checkNull) {
+	  if ( checkNull === void 0 ) checkNull = true;
+
+	  if (!isUndefined(value) && value !== '' && trim(value) !== '') {
+	    if (checkNull === false || (checkNull === true && !isNull(value))) {
+	      return true;
+	    }
+	  }
+	  return false;
+	};
+
+	// Good practice rule - No magic number
+
+	var ARGS_NOT_ARRAY_ERR = "args is not an array! You might want to do: ES6 Array.from(arguments) or ES5 Array.prototype.slice.call(arguments)";
+	var PARAMS_NOT_ARRAY_ERR = "params is not an array! Did something gone wrong when you generate the contract.json?";
+	var EXCEPTION_CASE_ERR = 'Could not understand your arguments and parameter structure!';
+	// @TODO the jsdoc return array.<type> and we should also allow array<type> syntax
+	var DEFAULT_TYPE$1 = DEFAULT_TYPE;
+	var ARRAY_TYPE_LFT$1 = ARRAY_TYPE_LFT;
+	var ARRAY_TYPE_RGT$1 = ARRAY_TYPE_RGT;
+
+	var TYPE_KEY$1 = TYPE_KEY;
+	var OPTIONAL_KEY$1 = OPTIONAL_KEY;
+	var ENUM_KEY$1 = ENUM_KEY;
+	var ARGS_KEY$1 = ARGS_KEY;
+	var CHECKER_KEY$1 = CHECKER_KEY;
+	var ALIAS_KEY$1 = ALIAS_KEY;
+
+	var ARRAY_TYPE$1 = ARRAY_TYPE;
+	var OBJECT_TYPE$1 = OBJECT_TYPE;
+	var STRING_TYPE$1 = STRING_TYPE;
+	var BOOLEAN_TYPE$1 = BOOLEAN_TYPE;
+	var NUMBER_TYPE$1 = NUMBER_TYPE;
+	var KEY_WORD$1 = KEY_WORD;
+	var OR_SEPERATOR$1 = OR_SEPERATOR;
+
+	// not actually in use
+	// export const NUMBER_TYPES = JSONQL_CONSTANTS.NUMBER_TYPES;
+
+	// primitive types
+
+	/**
+	 * this is a wrapper method to call different one based on their type
+	 * @param {string} type to check
+	 * @return {function} a function to handle the type
+	 */
+	var combineFn = function(type) {
+	  switch (type) {
+	    case NUMBER_TYPE$1:
+	      return checkIsNumber;
+	    case STRING_TYPE$1:
+	      return checkIsString;
+	    case BOOLEAN_TYPE$1:
+	      return checkIsBoolean;
+	    default:
+	      return checkIsAny;
+	  }
+	};
+
+	// validate array type
+
+	/**
+	 * @param {array} value expected
+	 * @param {string} [type=''] pass the type if we encounter array.<T> then we need to check the value as well
+	 * @return {boolean} true if OK
+	 */
+	var checkIsArray = function(value, type) {
+	  if ( type === void 0 ) type='';
+
+	  if (isArray(value)) {
+	    if (type === '' || trim(type)==='') {
+	      return true;
+	    }
+	    // we test it in reverse
+	    // @TODO if the type is an array (OR) then what?
+	    // we need to take into account this could be an array
+	    var c = value.filter(function (v) { return !combineFn(type)(v); });
+	    return !(c.length > 0)
+	  }
+	  return false;
+	};
+
+	/**
+	 * check if it matches the array.<T> pattern
+	 * @param {string} type
+	 * @return {boolean|array} false means NO, always return array
+	 */
+	var isArrayLike$1 = function(type) {
+	  // @TODO could that have something like array<> instead of array.<>? missing the dot?
+	  // because type script is Array<T> without the dot
+	  if (type.indexOf(ARRAY_TYPE_LFT$1) > -1 && type.indexOf(ARRAY_TYPE_RGT$1) > -1) {
+	    var _type = type.replace(ARRAY_TYPE_LFT$1, '').replace(ARRAY_TYPE_RGT$1, '');
+	    if (_type.indexOf(OR_SEPERATOR$1)) {
+	      return _type.split(OR_SEPERATOR$1)
+	    }
+	    return [_type]
+	  }
+	  return false;
+	};
+
+	/**
+	 * we might encounter something like array.<T> then we need to take it apart
+	 * @param {object} p the prepared object for processing
+	 * @param {string|array} type the type came from <T>
+	 * @return {boolean} for the filter to operate on
+	 */
+	var arrayTypeHandler = function(p, type) {
+	  var arg = p.arg;
+	  // need a special case to handle the OR type
+	  // we need to test the args instead of the type(s)
+	  if (type.length > 1) {
+	    return !arg.filter(function (v) { return (
+	      !(type.length > type.filter(function (t) { return !combineFn(t)(v); }).length)
+	    ); }).length;
+	  }
+	  // type is array so this will be or!
+	  return type.length > type.filter(function (t) { return !checkIsArray(arg, t); }).length;
+	};
+
+	// validate object type
+	/**
+	 * @TODO if provide with the keys then we need to check if the key:value type as well
+	 * @param {object} value expected
+	 * @param {array} [keys=null] if it has the keys array to compare as well
+	 * @return {boolean} true if OK
+	 */
+	var checkIsObject = function(value, keys) {
+	  if ( keys === void 0 ) keys=null;
+
+	  if (isPlainObject(value)) {
+	    if (!keys) {
+	      return true;
+	    }
+	    if (checkIsArray(keys)) {
+	      // please note we DON'T care if some is optional
+	      // plese refer to the contract.json for the keys
+	      return !keys.filter(function (key) {
+	        var _value = value[key.name];
+	        return !(key.type.length > key.type.filter(function (type) {
+	          var tmp;
+	          if (!isUndefined(_value)) {
+	            if ((tmp = isArrayLike$1(type)) !== false) {
+	              return !arrayTypeHandler({arg: _value}, tmp)
+	              // return tmp.filter(t => !checkIsArray(_value, t)).length;
+	              // @TODO there might be an object within an object with keys as well :S
+	            }
+	            return !combineFn(type)(_value)
+	          }
+	          return true;
+	        }).length)
+	      }).length;
+	    }
+	  }
+	  return false;
+	};
+
+	/**
+	 * fold this into it's own function to handler different object type
+	 * @param {object} p the prepared object for process
+	 * @return {boolean}
+	 */
+	var objectTypeHandler = function(p) {
+	  var arg = p.arg;
+	  var param = p.param;
+	  var _args = [arg];
+	  if (Array.isArray(param.keys) && param.keys.length) {
+	    _args.push(param.keys);
+	  }
+	  // just simple check
+	  return checkIsObject.apply(null, _args)
+	};
+
+	/**
+	 * This is a custom error to throw when server throw a 406
+	 * This help us to capture the right error, due to the call happens in sequence
+	 * @param {string} message to tell what happen
+	 * @param {mixed} extra things we want to add, 500?
+	 */
+	var Jsonql406Error = /*@__PURE__*/(function (Error) {
+	  function Jsonql406Error() {
+	    var args = [], len = arguments.length;
+	    while ( len-- ) args[ len ] = arguments[ len ];
+
+	    Error.apply(this, args);
+	    this.message = args[0];
+	    this.detail = args[1];
+	    // We can't access the static name from an instance
+	    // but we can do it like this
+	    this.className = Jsonql406Error.name;
+
+	    if (Error.captureStackTrace) {
+	      Error.captureStackTrace(this, Jsonql406Error);
+	    }
+	  }
+
+	  if ( Error ) Jsonql406Error.__proto__ = Error;
+	  Jsonql406Error.prototype = Object.create( Error && Error.prototype );
+	  Jsonql406Error.prototype.constructor = Jsonql406Error;
+
+	  var staticAccessors = { statusCode: { configurable: true },name: { configurable: true } };
+
+	  staticAccessors.statusCode.get = function () {
+	    return 406;
+	  };
+
+	  staticAccessors.name.get = function () {
+	    return 'Jsonql406Error';
+	  };
+
+	  Object.defineProperties( Jsonql406Error, staticAccessors );
+
+	  return Jsonql406Error;
+	}(Error));
+
+	/**
+	 * This is a custom error to throw when server throw a 500
+	 * This help us to capture the right error, due to the call happens in sequence
+	 * @param {string} message to tell what happen
+	 * @param {mixed} extra things we want to add, 500?
+	 */
+	var Jsonql500Error = /*@__PURE__*/(function (Error) {
+	  function Jsonql500Error() {
+	    var args = [], len = arguments.length;
+	    while ( len-- ) args[ len ] = arguments[ len ];
+
+	    Error.apply(this, args);
+
+	    this.message = args[0];
+	    this.detail = args[1];
+
+	    this.className = Jsonql500Error.name;
+
+	    if (Error.captureStackTrace) {
+	      Error.captureStackTrace(this, Jsonql500Error);
+	    }
+	  }
+
+	  if ( Error ) Jsonql500Error.__proto__ = Error;
+	  Jsonql500Error.prototype = Object.create( Error && Error.prototype );
+	  Jsonql500Error.prototype.constructor = Jsonql500Error;
+
+	  var staticAccessors = { statusCode: { configurable: true },name: { configurable: true } };
+
+	  staticAccessors.statusCode.get = function () {
+	    return 500;
+	  };
+
+	  staticAccessors.name.get = function () {
+	    return 'Jsonql500Error';
+	  };
+
+	  Object.defineProperties( Jsonql500Error, staticAccessors );
+
+	  return Jsonql500Error;
+	}(Error));
+
+	/**
+	 * This is a custom error to throw when pass credential but fail
+	 * This help us to capture the right error, due to the call happens in sequence
+	 * @param {string} message to tell what happen
+	 * @param {mixed} extra things we want to add, 500?
+	 */
+	var JsonqlAuthorisationError = /*@__PURE__*/(function (Error) {
+	  function JsonqlAuthorisationError() {
+	    var args = [], len = arguments.length;
+	    while ( len-- ) args[ len ] = arguments[ len ];
+
+	    Error.apply(this, args);
+	    this.message = args[0];
+	    this.detail = args[1];
+
+	    this.className = JsonqlAuthorisationError.name;
+
+	    if (Error.captureStackTrace) {
+	      Error.captureStackTrace(this, JsonqlAuthorisationError);
+	    }
+	  }
+
+	  if ( Error ) JsonqlAuthorisationError.__proto__ = Error;
+	  JsonqlAuthorisationError.prototype = Object.create( Error && Error.prototype );
+	  JsonqlAuthorisationError.prototype.constructor = JsonqlAuthorisationError;
+
+	  var staticAccessors = { statusCode: { configurable: true },name: { configurable: true } };
+
+	  staticAccessors.statusCode.get = function () {
+	    return 401;
+	  };
+
+	  staticAccessors.name.get = function () {
+	    return 'JsonqlAuthorisationError';
+	  };
+
+	  Object.defineProperties( JsonqlAuthorisationError, staticAccessors );
+
+	  return JsonqlAuthorisationError;
+	}(Error));
+
+	/**
+	 * This is a custom error when not supply the credential and try to get contract
+	 * This help us to capture the right error, due to the call happens in sequence
+	 * @param {string} message to tell what happen
+	 * @param {mixed} extra things we want to add, 500?
+	 */
+	var JsonqlContractAuthError = /*@__PURE__*/(function (Error) {
+	  function JsonqlContractAuthError() {
+	    var args = [], len = arguments.length;
+	    while ( len-- ) args[ len ] = arguments[ len ];
+
+	    Error.apply(this, args);
+	    this.message = args[0];
+	    this.detail = args[1];
+
+	    this.className = JsonqlContractAuthError.name;
+
+	    if (Error.captureStackTrace) {
+	      Error.captureStackTrace(this, JsonqlContractAuthError);
+	    }
+	  }
+
+	  if ( Error ) JsonqlContractAuthError.__proto__ = Error;
+	  JsonqlContractAuthError.prototype = Object.create( Error && Error.prototype );
+	  JsonqlContractAuthError.prototype.constructor = JsonqlContractAuthError;
+
+	  var staticAccessors = { statusCode: { configurable: true },name: { configurable: true } };
+
+	  staticAccessors.statusCode.get = function () {
+	    return 401;
+	  };
+
+	  staticAccessors.name.get = function () {
+	    return 'JsonqlContractAuthError';
+	  };
+
+	  Object.defineProperties( JsonqlContractAuthError, staticAccessors );
+
+	  return JsonqlContractAuthError;
+	}(Error));
+
+	/**
+	 * This is a custom error to throw when the resolver throw error and capture inside the middleware
+	 * This help us to capture the right error, due to the call happens in sequence
+	 * @param {string} message to tell what happen
+	 * @param {mixed} extra things we want to add, 500?
+	 */
+	var JsonqlResolverAppError = /*@__PURE__*/(function (Error) {
+	  function JsonqlResolverAppError() {
+	    var args = [], len = arguments.length;
+	    while ( len-- ) args[ len ] = arguments[ len ];
+
+	    Error.apply(this, args);
+
+	    this.message = args[0];
+	    this.detail = args[1];
+
+	    this.className = JsonqlResolverAppError.name;
+
+	    if (Error.captureStackTrace) {
+	      Error.captureStackTrace(this, JsonqlResolverAppError);
+	    }
+	  }
+
+	  if ( Error ) JsonqlResolverAppError.__proto__ = Error;
+	  JsonqlResolverAppError.prototype = Object.create( Error && Error.prototype );
+	  JsonqlResolverAppError.prototype.constructor = JsonqlResolverAppError;
+
+	  var staticAccessors = { statusCode: { configurable: true },name: { configurable: true } };
+
+	  staticAccessors.statusCode.get = function () {
+	    return 500;
+	  };
+
+	  staticAccessors.name.get = function () {
+	    return 'JsonqlResolverAppError';
+	  };
+
+	  Object.defineProperties( JsonqlResolverAppError, staticAccessors );
+
+	  return JsonqlResolverAppError;
+	}(Error));
+
+	/**
+	 * This is a custom error to throw when could not find the resolver
+	 * This help us to capture the right error, due to the call happens in sequence
+	 * @param {string} message to tell what happen
+	 * @param {mixed} extra things we want to add, 500?
+	 */
+	var JsonqlResolverNotFoundError = /*@__PURE__*/(function (Error) {
+	  function JsonqlResolverNotFoundError() {
+	    var args = [], len = arguments.length;
+	    while ( len-- ) args[ len ] = arguments[ len ];
+
+	    Error.apply(this, args);
+
+	    this.message = args[0];
+	    this.detail = args[1];
+
+	    this.className = JsonqlResolverNotFoundError.name;
+
+	    if (Error.captureStackTrace) {
+	      Error.captureStackTrace(this, JsonqlResolverNotFoundError);
+	    }
+	  }
+
+	  if ( Error ) JsonqlResolverNotFoundError.__proto__ = Error;
+	  JsonqlResolverNotFoundError.prototype = Object.create( Error && Error.prototype );
+	  JsonqlResolverNotFoundError.prototype.constructor = JsonqlResolverNotFoundError;
+
+	  var staticAccessors = { statusCode: { configurable: true },name: { configurable: true } };
+
+	  staticAccessors.statusCode.get = function () {
+	    return 404;
+	  };
+
+	  staticAccessors.name.get = function () {
+	    return 'JsonqlResolverNotFoundError';
+	  };
+
+	  Object.defineProperties( JsonqlResolverNotFoundError, staticAccessors );
+
+	  return JsonqlResolverNotFoundError;
+	}(Error));
+
+	// this get throw from within the checkOptions when run through the enum failed
+	var JsonqlEnumError = /*@__PURE__*/(function (Error) {
+	  function JsonqlEnumError() {
+	    var args = [], len = arguments.length;
+	    while ( len-- ) args[ len ] = arguments[ len ];
+
+	    Error.apply(this, args);
+	    
+	    this.message = args[0];
+	    this.detail = args[1];
+
+	    this.className = JsonqlEnumError.name;
+
+	    if (Error.captureStackTrace) {
+	      Error.captureStackTrace(this, JsonqlEnumError);
+	    }
+	  }
+
+	  if ( Error ) JsonqlEnumError.__proto__ = Error;
+	  JsonqlEnumError.prototype = Object.create( Error && Error.prototype );
+	  JsonqlEnumError.prototype.constructor = JsonqlEnumError;
+
+	  var staticAccessors = { name: { configurable: true } };
+
+	  staticAccessors.name.get = function () {
+	    return 'JsonqlEnumError';
+	  };
+
+	  Object.defineProperties( JsonqlEnumError, staticAccessors );
+
+	  return JsonqlEnumError;
+	}(Error));
+
+	// this will throw from inside the checkOptions
+	var JsonqlTypeError = /*@__PURE__*/(function (Error) {
+	  function JsonqlTypeError() {
+	    var args = [], len = arguments.length;
+	    while ( len-- ) args[ len ] = arguments[ len ];
+
+	    Error.apply(this, args);
+
+	    this.message = args[0];
+	    this.detail = args[1];
+
+	    this.className = JsonqlTypeError.name;
+
+	    if (Error.captureStackTrace) {
+	      Error.captureStackTrace(this, JsonqlTypeError);
+	    }
+	  }
+
+	  if ( Error ) JsonqlTypeError.__proto__ = Error;
+	  JsonqlTypeError.prototype = Object.create( Error && Error.prototype );
+	  JsonqlTypeError.prototype.constructor = JsonqlTypeError;
+
+	  var staticAccessors = { name: { configurable: true } };
+
+	  staticAccessors.name.get = function () {
+	    return 'JsonqlTypeError';
+	  };
+
+	  Object.defineProperties( JsonqlTypeError, staticAccessors );
+
+	  return JsonqlTypeError;
+	}(Error));
+
+	// allow supply a custom checker function
+	// if that failed then we throw this error
+	var JsonqlCheckerError = /*@__PURE__*/(function (Error) {
+	  function JsonqlCheckerError() {
+	    var args = [], len = arguments.length;
+	    while ( len-- ) args[ len ] = arguments[ len ];
+
+	    Error.apply(this, args);
+	    this.message = args[0];
+	    this.detail = args[1];
+
+	    this.className = JsonqlCheckerError.name;
+
+	    if (Error.captureStackTrace) {
+	      Error.captureStackTrace(this, JsonqlCheckerError);
+	    }
+	  }
+
+	  if ( Error ) JsonqlCheckerError.__proto__ = Error;
+	  JsonqlCheckerError.prototype = Object.create( Error && Error.prototype );
+	  JsonqlCheckerError.prototype.constructor = JsonqlCheckerError;
+
+	  var staticAccessors = { name: { configurable: true } };
+
+	  staticAccessors.name.get = function () {
+	    return 'JsonqlCheckerError';
+	  };
+
+	  Object.defineProperties( JsonqlCheckerError, staticAccessors );
+
+	  return JsonqlCheckerError;
+	}(Error));
+
+	// custom validation error class
+	// when validaton failed
+	var JsonqlValidationError = /*@__PURE__*/(function (Error) {
+	  function JsonqlValidationError() {
+	    var args = [], len = arguments.length;
+	    while ( len-- ) args[ len ] = arguments[ len ];
+
+	    Error.apply(this, args);
+
+	    this.message = args[0];
+	    this.detail = args[1];
+
+	    this.className = JsonqlValidationError.name;
+
+	    if (Error.captureStackTrace) {
+	      Error.captureStackTrace(this, JsonqlValidationError);
+	    }
+	  }
+
+	  if ( Error ) JsonqlValidationError.__proto__ = Error;
+	  JsonqlValidationError.prototype = Object.create( Error && Error.prototype );
+	  JsonqlValidationError.prototype.constructor = JsonqlValidationError;
+
+	  var staticAccessors = { name: { configurable: true } };
+
+	  staticAccessors.name.get = function () {
+	    return 'JsonqlValidationError';
+	  };
+
+	  Object.defineProperties( JsonqlValidationError, staticAccessors );
+
+	  return JsonqlValidationError;
+	}(Error));
+
+	/**
+	 * This is a custom error to throw whenever a error happen inside the jsonql
+	 * This help us to capture the right error, due to the call happens in sequence
+	 * @param {string} message to tell what happen
+	 * @param {mixed} extra things we want to add, 500?
+	 */
+	var JsonqlError = /*@__PURE__*/(function (Error) {
+	  function JsonqlError() {
+	    var args = [], len = arguments.length;
+	    while ( len-- ) args[ len ] = arguments[ len ];
+
+	    Error.apply(this, args);
+
+	    this.message = args[0];
+	    this.detail = args[1];
+
+	    this.className = JsonqlError.name;
+
+	    if (Error.captureStackTrace) {
+	      Error.captureStackTrace(this, JsonqlError);
+	      // this.detail = this.stack;
+	    }
+	  }
+
+	  if ( Error ) JsonqlError.__proto__ = Error;
+	  JsonqlError.prototype = Object.create( Error && Error.prototype );
+	  JsonqlError.prototype.constructor = JsonqlError;
+
+	  var staticAccessors = { name: { configurable: true },statusCode: { configurable: true } };
+
+	  staticAccessors.name.get = function () {
+	    return 'JsonqlError';
+	  };
+
+	  staticAccessors.statusCode.get = function () {
+	    return NO_STATUS_CODE;
+	  };
+
+	  Object.defineProperties( JsonqlError, staticAccessors );
+
+	  return JsonqlError;
+	}(Error));
+
+	// this is from an example from Koa team to use for internal middleware ctx.throw
+	// but after the test the res.body part is unable to extract the required data
+	// I keep this one here for future reference
+
+	var JsonqlServerError = /*@__PURE__*/(function (Error) {
+	  function JsonqlServerError(statusCode, message) {
+	    Error.call(this, message);
+	    this.statusCode = statusCode;
+	    this.className = JsonqlServerError.name;
+	  }
+
+	  if ( Error ) JsonqlServerError.__proto__ = Error;
+	  JsonqlServerError.prototype = Object.create( Error && Error.prototype );
+	  JsonqlServerError.prototype.constructor = JsonqlServerError;
+
+	  var staticAccessors = { name: { configurable: true } };
+
+	  staticAccessors.name.get = function () {
+	    return 'JsonqlServerError';
+	  };
+
+	  Object.defineProperties( JsonqlServerError, staticAccessors );
+
+	  return JsonqlServerError;
+	}(Error));
+
+	// server side
+
+	var errors = /*#__PURE__*/Object.freeze({
+		__proto__: null,
+		Jsonql406Error: Jsonql406Error,
+		Jsonql500Error: Jsonql500Error,
+		JsonqlAuthorisationError: JsonqlAuthorisationError,
+		JsonqlContractAuthError: JsonqlContractAuthError,
+		JsonqlResolverAppError: JsonqlResolverAppError,
+		JsonqlResolverNotFoundError: JsonqlResolverNotFoundError,
+		JsonqlEnumError: JsonqlEnumError,
+		JsonqlTypeError: JsonqlTypeError,
+		JsonqlCheckerError: JsonqlCheckerError,
+		JsonqlValidationError: JsonqlValidationError,
+		JsonqlError: JsonqlError,
+		JsonqlServerError: JsonqlServerError
+	});
+
+	// this will add directly to the then call in each http call
+	var JsonqlError$1 = JsonqlError;
+
+	/**
+	 * We can not just check something like result.data what if the result if false?
+	 * @param {object} obj the result object
+	 * @param {string} key we want to check if its exist or not
+	 * @return {boolean} true on found
+	 */
+	var isObjectHasKey = function (obj, key) {
+	  var keys = Object.keys(obj);
+	  return !!keys.filter(function (k) { return key === k; }).length;
+	};
+
+	/**
+	 * It will ONLY have our own jsonql specific implement check
+	 * @param {object} result the server return result
+	 * @return {object} this will just throw error
+	 */
+	function clientErrorsHandler(result) {
+	  if (isObjectHasKey(result, 'error')) {
+	    var error = result.error;
+	    var className = error.className;
+	    var name = error.name;
+	    var errorName = className || name;
+	    // just throw the whole thing back
+	    var msg = error.message || NO_ERROR_MSG;
+	    var detail = error.detail || error;
+	    if (errorName && errors[errorName]) {
+	      throw new errors[className](msg, detail)
+	    }
+	    throw new JsonqlError$1(msg, detail)
+	  }
+	  // pass through to the next
+	  return result;
+	}
+
+	/**
+	 * this will put into generator call at the very end and catch
+	 * the error throw from inside then throw again
+	 * this is necessary because we split calls inside and the throw
+	 * will not reach the actual client unless we do it this way
+	 * @param {object} e Error
+	 * @return {void} just throw
+	 */
+	function finalCatch(e) {
+	  // this is a hack to get around the validateAsync not actually throw error
+	  // instead it just rejected it with the array of failed parameters
+	  if (Array.isArray(e)) {
+	    // if we want the message then I will have to create yet another function
+	    // to wrap this function to provide the name prop
+	    throw new JsonqlValidationError('', e)
+	  }
+	  var msg = e.message || NO_ERROR_MSG;
+	  var detail = e.detail || e;
+	  switch (true) {
+	    case e instanceof Jsonql406Error:
+	      throw new Jsonql406Error(msg, detail)
+	    case e instanceof Jsonql500Error:
+	      throw new Jsonql500Error(msg, detail)
+	    case e instanceof JsonqlAuthorisationError:
+	      throw new JsonqlAuthorisationError(msg, detail)
+	    case e instanceof JsonqlContractAuthError:
+	      throw new JsonqlContractAuthError(msg, detail)
+	    case e instanceof JsonqlResolverAppError:
+	      throw new JsonqlResolverAppError(msg, detail)
+	    case e instanceof JsonqlResolverNotFoundError:
+	      throw new JsonqlResolverNotFoundError(msg, detail)
+	    case e instanceof JsonqlEnumError:
+	      throw new JsonqlEnumError(msg, detail)
+	    case e instanceof JsonqlTypeError:
+	      throw new JsonqlTypeError(msg, detail)
+	    case e instanceof JsonqlCheckerError:
+	      throw new JsonqlCheckerError(msg, detail)
+	    case e instanceof JsonqlValidationError:
+	      throw new JsonqlValidationError(msg, detail)
+	    case e instanceof JsonqlServerError:
+	      throw new JsonqlServerError(msg, detail)
+	    default:
+	      throw new JsonqlError(msg, detail)
+	  }
+	}
+
+	/**
+	 * just a simple util for helping to debug
+	 * @param {array} args arguments
+	 * @return {void}
+	 */
+	function log() {
+	  var args = [], len = arguments.length;
+	  while ( len-- ) args[ len ] = arguments[ len ];
+
+	  try {
+	    if (window && window.console) {
+	      Reflect.apply(console.log, console, args);
+	    }
+	  } catch(e) {}
+	}
+
+	// move the index.js code here that make more sense to find where things are
+	// import debug from 'debug'
+	// const debugFn = debug('jsonql-params-validator:validator')
+	// also export this for use in other places
+
+	/**
+	 * We need to handle those optional parameter without a default value
+	 * @param {object} params from contract.json
+	 * @return {boolean} for filter operation false is actually OK
+	 */
+	var optionalHandler = function( params ) {
+	  var arg = params.arg;
+	  var param = params.param;
+	  if (notEmpty(arg)) {
+	    // debug('call optional handler', arg, params);
+	    // loop through the type in param
+	    return !(param.type.length > param.type.filter(function (type) { return validateHandler(type, params); }
+	    ).length)
+	  }
+	  return false;
+	};
+
+	/**
+	 * actually picking the validator
+	 * @param {*} type for checking
+	 * @param {*} value for checking
+	 * @return {boolean} true on OK
+	 */
+	var validateHandler = function(type, value) {
+	  var tmp;
+	  switch (true) {
+	    case type === OBJECT_TYPE$1:
+	      // debugFn('call OBJECT_TYPE')
+	      return !objectTypeHandler(value)
+	    case type === ARRAY_TYPE$1:
+	      // debugFn('call ARRAY_TYPE')
+	      return !checkIsArray(value.arg)
+	    // @TODO when the type is not present, it always fall through here
+	    // so we need to find a way to actually pre-check the type first
+	    // AKA check the contract.json map before running here
+	    case (tmp = isArrayLike$1(type)) !== false:
+	      // debugFn('call ARRAY_LIKE: %O', value)
+	      return !arrayTypeHandler(value, tmp)
+	    default:
+	      return !combineFn(type)(value.arg)
+	  }
+	};
+
+	/**
+	 * it get too longer to fit in one line so break it out from the fn below
+	 * @param {*} arg value
+	 * @param {object} param config
+	 * @return {*} value or apply default value
+	 */
+	var getOptionalValue = function(arg, param) {
+	  if (!isUndefined(arg)) {
+	    return arg;
+	  }
+	  return (param.optional === true && !isUndefined(param.defaultvalue) ? param.defaultvalue : null)
+	};
+
+	/**
+	 * padding the arguments with defaultValue if the arguments did not provide the value
+	 * this will be the name export
+	 * @param {array} args normalized arguments
+	 * @param {array} params from contract.json
+	 * @return {array} merge the two together
+	 */
+	var normalizeArgs = function(args, params) {
+	  // first we should check if this call require a validation at all
+	  // there will be situation where the function doesn't need args and params
+	  if (!checkIsArray(params)) {
+	    // debugFn('params value', params)
+	    throw new JsonqlError(PARAMS_NOT_ARRAY_ERR)
+	  }
+	  if (params.length === 0) {
+	    return [];
+	  }
+	  if (!checkIsArray(args)) {
+	    throw new JsonqlError(ARGS_NOT_ARRAY_ERR)
+	  }
+	  // debugFn(args, params);
+	  // fall through switch
+	  switch(true) {
+	    case args.length == params.length: // standard
+	      log(1);
+	      return args.map(function (arg, i) { return (
+	        {
+	          arg: arg,
+	          index: i,
+	          param: params[i]
+	        }
+	      ); })
+	    case params[0].variable === true: // using spread syntax
+	      log(2);
+	      var type = params[0].type;
+	      return args.map(function (arg, i) { return (
+	        {
+	          arg: arg,
+	          index: i, // keep the index for reference
+	          param: params[i] || { type: type, name: '_' }
+	        }
+	      ); })
+	    // with optional defaultValue parameters
+	    case args.length < params.length:
+	      log(3);
+	      return params.map(function (param, i) { return (
+	        {
+	          param: param,
+	          index: i,
+	          arg: getOptionalValue(args[i], param),
+	          optional: param.optional || false
+	        }
+	      ); })
+	    // this one pass more than it should have anything after the args.length will be cast as any type
+	    case args.length > params.length:
+	      log(4);
+	      var ctn = params.length;
+	      // this happens when we have those array.<number> type
+	      var _type = [ DEFAULT_TYPE$1 ];
+	      // we only looking at the first one, this might be a @BUG
+	      /*
+	      if ((tmp = isArrayLike(params[0].type[0])) !== false) {
+	        _type = tmp;
+	      } */
+	      // if we use the params as guide then the rest will get throw out
+	      // which is not what we want, instead, anything without the param
+	      // will get a any type and optional flag
+	      return args.map(function (arg, i) {
+	        var optional = i >= ctn ? true : !!params[i].optional;
+	        var param = params[i] || { type: _type, name: ("_" + i) };
+	        return {
+	          arg: optional ? getOptionalValue(arg, param) : arg,
+	          index: i,
+	          param: param,
+	          optional: optional
+	        }
+	      })
+	    // @TODO find out if there is more cases not cover
+	    default: // this should never happen
+	      log(5);
+	      // debugFn('args', args)
+	      // debugFn('params', params)
+	      // this is unknown therefore we just throw it!
+	      throw new JsonqlError(EXCEPTION_CASE_ERR, { args: args, params: params })
+	  }
+	};
+
+	// what we want is after the validaton we also get the normalized result
+	// which is with the optional property if the argument didn't provide it
+	/**
+	 * process the array of params back to their arguments
+	 * @param {array} result the params result
+	 * @return {array} arguments
+	 */
+	var processReturn = function (result) { return result.map(function (r) { return r.arg; }); };
+
+	/**
+	 * validator main interface
+	 * @param {array} args the arguments pass to the method call
+	 * @param {array} params from the contract for that method
+	 * @param {boolean} [withResul=false] if true then this will return the normalize result as well
+	 * @return {array} empty array on success, or failed parameter and reasons
+	 */
+	var validateSync = function(args, params, withResult) {
+	  var obj;
+
+	  if ( withResult === void 0 ) withResult = false;
+	  var cleanArgs = normalizeArgs(args, params);
+	  var checkResult = cleanArgs.filter(function (p) {
+	    // v1.4.4 this fixed the problem, the root level optional is from the last fn
+	    if (p.optional === true || p.param.optional === true) {
+	      return optionalHandler(p)
+	    }
+	    // because array of types means OR so if one pass means pass
+	    return !(p.param.type.length > p.param.type.filter(
+	      function (type) { return validateHandler(type, p); }
+	    ).length)
+	  });
+	  // using the same convention we been using all this time
+	  return !withResult ? checkResult : ( obj = {}, obj[ERROR_KEY] = checkResult, obj[DATA_KEY] = processReturn(cleanArgs), obj )
+	};
+
+	/**
+	 * A wrapper method that return promise
+	 * @param {array} args arguments
+	 * @param {array} params from contract.json
+	 * @param {boolean} [withResul=false] if true then this will return the normalize result as well
+	 * @return {object} promise.then or catch
+	 */
+	var validateAsync = function(args, params, withResult) {
+	  if ( withResult === void 0 ) withResult = false;
+
+	  return new Promise(function (resolver, rejecter) {
+	    var result = validateSync(args, params, withResult);
+	    if (withResult) {
+	      return result[ERROR_KEY].length ? rejecter(result[ERROR_KEY])
+	                                      : resolver(result[DATA_KEY])
+	    }
+	    // the different is just in the then or catch phrase
+	    return result.length ? rejecter(result) : resolver([])
+	  })
+	};
+
+	/**
+	 * @param {array} arr Array for check
+	 * @param {*} value target
+	 * @return {boolean} true on successs
+	 */
+	var isInArray = function(arr, value) {
+	  return !!arr.filter(function (a) { return a === value; }).length;
+	};
+
+	var isKeyInObject = function(obj, key) {
+	  var keys = Object.keys(obj);
+	  return isInArray(keys, key)
+	};
+
+	// just not to make my head hurt
+	var isEmpty = function (value) { return !notEmpty(value); };
+
+	/**
+	 * Map the alias to their key then grab their value over
+	 * @param {object} config the user supplied config
+	 * @param {object} appProps the default option map
+	 * @return {object} the config keys replaced with the appProps key by the ALIAS
+	 */
+	function mapAliasConfigKeys(config, appProps) {
+	  // need to do two steps
+	  // 1. take key with alias key
+	  var aliasMap = omitBy(appProps, function (value, k) { return !value[ALIAS_KEY$1]; } );
+	  if (isEqual(aliasMap, {})) {
+	    return config;
+	  }
+	  return mapKeys(config, function (v, key) { return findKey(aliasMap, function (o) { return o.alias === key; }) || key; })
+	}
+
+	/**
+	 * We only want to run the valdiation against the config (user supplied) value
+	 * but keep the defaultOptions untouch
+	 * @param {object} config configuraton supplied by user
+	 * @param {object} appProps the default options map
+	 * @return {object} the pristine values that will add back to the final output
+	 */
+	function preservePristineValues(config, appProps) {
+	  // @BUG this will filter out those that is alias key
+	  // we need to first map the alias keys back to their full key
+	  var _config = mapAliasConfigKeys(config, appProps);
+	  // take the default value out
+	  var pristineValues = mapValues(
+	    omitBy(appProps, function (value, key) { return isKeyInObject(_config, key); }),
+	    function (value) { return value.args; }
+	  );
+	  // for testing the value
+	  var checkAgainstAppProps = omitBy(appProps, function (value, key) { return !isKeyInObject(_config, key); });
+	  // output
+	  return {
+	    pristineValues: pristineValues,
+	    checkAgainstAppProps: checkAgainstAppProps,
+	    config: _config // passing this correct values back
+	  }
+	}
+
+	/**
+	 * This will take the value that is ONLY need to check
+	 * @param {object} config that one
+	 * @param {object} props map for creating checking
+	 * @return {object} put that arg into the args
+	 */
+	function processConfigAction(config, props) {
+	  // debugFn('processConfigAction', props)
+	  // v.1.2.0 add checking if its mark optional and the value is empty then pass
+	  return mapValues(props, function (value, key) {
+	    var obj, obj$1;
+
+	    return (
+	    isUndefined(config[key]) || (value[OPTIONAL_KEY$1] === true && isEmpty(config[key]))
+	      ? merge({}, value, ( obj = {}, obj[KEY_WORD$1] = true, obj ))
+	      : ( obj$1 = {}, obj$1[ARGS_KEY$1] = config[key], obj$1[TYPE_KEY$1] = value[TYPE_KEY$1], obj$1[OPTIONAL_KEY$1] = value[OPTIONAL_KEY$1] || false, obj$1[ENUM_KEY$1] = value[ENUM_KEY$1] || false, obj$1[CHECKER_KEY$1] = value[CHECKER_KEY$1] || false, obj$1 )
+	    );
+	  }
+	  )
+	}
+
+	/**
+	 * Quick transform
+	 * @TODO we should only validate those that is pass from the config
+	 * and pass through those values that is from the defaultOptions
+	 * @param {object} opts that one
+	 * @param {object} appProps mutation configuration options
+	 * @return {object} put that arg into the args
+	 */
+	function prepareArgsForValidation(opts, appProps) {
+	  var ref = preservePristineValues(opts, appProps);
+	  var config = ref.config;
+	  var pristineValues = ref.pristineValues;
+	  var checkAgainstAppProps = ref.checkAgainstAppProps;
+	  // output
+	  return [
+	    processConfigAction(config, checkAgainstAppProps),
+	    pristineValues
+	  ]
+	}
+
+	// breaking the whole thing up to see what cause the multiple calls issue
+
+	// import debug from 'debug';
+	// const debugFn = debug('jsonql-params-validator:options:validation')
+
+	/**
+	 * just make sure it returns an array to use
+	 * @param {*} arg input
+	 * @return {array} output
+	 */
+	var toArray = function (arg) { return checkIsArray(arg) ? arg : [arg]; };
+
+	/**
+	 * DIY in array
+	 * @param {array} arr to check against
+	 * @param {*} value to check
+	 * @return {boolean} true on OK
+	 */
+	var inArray = function (arr, value) { return (
+	  !!arr.filter(function (v) { return v === value; }).length
+	); };
+
+	/**
+	 * break out to make the code easier to read
+	 * @param {object} value to process
+	 * @param {function} cb the validateSync
+	 * @return {array} empty on success
+	 */
+	function validateHandler$1(value, cb) {
+	  var obj;
+
+	  // cb is the validateSync methods
+	  var args = [
+	    [ value[ARGS_KEY$1] ],
+	    [( obj = {}, obj[TYPE_KEY$1] = toArray(value[TYPE_KEY$1]), obj[OPTIONAL_KEY$1] = value[OPTIONAL_KEY$1], obj )]
+	  ];
+	  // debugFn('validateHandler', args)
+	  return Reflect.apply(cb, null, args)
+	}
+
+	/**
+	 * Check against the enum value if it's provided
+	 * @param {*} value to check
+	 * @param {*} enumv to check against if it's not false
+	 * @return {boolean} true on OK
+	 */
+	var enumHandler = function (value, enumv) {
+	  if (checkIsArray(enumv)) {
+	    return inArray(enumv, value)
+	  }
+	  return true;
+	};
+
+	/**
+	 * Allow passing a function to check the value
+	 * There might be a problem here if the function is incorrect
+	 * and that will makes it hard to debug what is going on inside
+	 * @TODO there could be a few feature add to this one under different circumstance
+	 * @param {*} value to check
+	 * @param {function} checker for checking
+	 */
+	var checkerHandler = function (value, checker) {
+	  try {
+	    return isFunction(checker) ? checker.apply(null, [value]) : false;
+	  } catch (e) {
+	    return false;
+	  }
+	};
+
+	/**
+	 * Taken out from the runValidaton this only validate the required values
+	 * @param {array} args from the config2argsAction
+	 * @param {function} cb validateSync
+	 * @return {array} of configuration values
+	 */
+	function runValidationAction(cb) {
+	  return function (value, key) {
+	    // debugFn('runValidationAction', key, value)
+	    if (value[KEY_WORD$1]) {
+	      return value[ARGS_KEY$1]
+	    }
+	    var check = validateHandler$1(value, cb);
+	    if (check.length) {
+	      log('runValidationAction', key, value);
+	      throw new JsonqlTypeError(key, check)
+	    }
+	    if (value[ENUM_KEY$1] !== false && !enumHandler(value[ARGS_KEY$1], value[ENUM_KEY$1])) {
+	      log(ENUM_KEY$1, value[ENUM_KEY$1]);
+	      throw new JsonqlEnumError(key)
+	    }
+	    if (value[CHECKER_KEY$1] !== false && !checkerHandler(value[ARGS_KEY$1], value[CHECKER_KEY$1])) {
+	      log(CHECKER_KEY$1, value[CHECKER_KEY$1]);
+	      throw new JsonqlCheckerError(key)
+	    }
+	    return value[ARGS_KEY$1]
+	  }
+	}
+
+	/**
+	 * @param {object} args from the config2argsAction
+	 * @param {function} cb validateSync
+	 * @return {object} of configuration values
+	 */
+	function runValidation(args, cb) {
+	  var argsForValidate = args[0];
+	  var pristineValues = args[1];
+	  // turn the thing into an array and see what happen here
+	  // debugFn('_args', argsForValidate)
+	  var result = mapValues(argsForValidate, runValidationAction(cb));
+	  return merge(result, pristineValues)
+	}
+
+	/// this is port back from the client to share across all projects
+
+	// import debug from 'debug'
+	// const debugFn = debug('jsonql-params-validator:check-options-async')
+
+	/**
+	 * Quick transform
+	 * @param {object} config that one
+	 * @param {object} appProps mutation configuration options
+	 * @return {object} put that arg into the args
+	 */
+	var configToArgs = function (config, appProps) {
+	  return Promise.resolve(
+	    prepareArgsForValidation(config, appProps)
+	  )
+	};
+
+	/**
+	 * @param {object} config user provide configuration option
+	 * @param {object} appProps mutation configuration options
+	 * @param {object} constProps the immutable configuration options
+	 * @param {function} cb the validateSync method
+	 * @return {object} Promise resolve merge config object
+	 */
+	function checkOptionsAsync(config, appProps, constProps, cb) {
+	  if ( config === void 0 ) config = {};
+
+	  return configToArgs(config, appProps)
+	    .then(function (args1) {
+	      // debugFn('args', args1)
+	      return runValidation(args1, cb)
+	    })
+	    // next if every thing good then pass to final merging
+	    .then(function (args2) { return merge({}, args2, constProps); })
+	}
+
+	// create function to construct the config entry so we don't need to keep building object
+	// import debug from 'debug';
+	// const debugFn = debug('jsonql-params-validator:construct-config');
+	/**
+	 * @param {*} args value
+	 * @param {string} type for value
+	 * @param {boolean} [optional=false]
+	 * @param {boolean|array} [enumv=false]
+	 * @param {boolean|function} [checker=false]
+	 * @return {object} config entry
+	 */
+	function constructConfigFn(args, type, optional, enumv, checker, alias) {
+	  if ( optional === void 0 ) optional=false;
+	  if ( enumv === void 0 ) enumv=false;
+	  if ( checker === void 0 ) checker=false;
+	  if ( alias === void 0 ) alias=false;
+
+	  var base = {};
+	  base[ARGS_KEY] = args;
+	  base[TYPE_KEY] = type;
+	  if (optional === true) {
+	    base[OPTIONAL_KEY] = true;
+	  }
+	  if (checkIsArray(enumv)) {
+	    base[ENUM_KEY] = enumv;
+	  }
+	  if (isFunction(checker)) {
+	    base[CHECKER_KEY] = checker;
+	  }
+	  if (isString(alias)) {
+	    base[ALIAS_KEY] = alias;
+	  }
+	  return base;
+	}
+
+	// export also create wrapper methods
+
+	// import debug from 'debug';
+	// const debugFn = debug('jsonql-params-validator:options:index');
+
+	/**
+	 * This has a different interface
+	 * @param {*} value to supply
+	 * @param {string|array} type for checking
+	 * @param {object} params to map against the config check
+	 * @param {array} params.enumv NOT enum
+	 * @param {boolean} params.optional false then nothing
+	 * @param {function} params.checker need more work on this one later
+	 * @param {string} params.alias mostly for cmd
+	 */
+	var createConfig = function (value, type, params) {
+	  if ( params === void 0 ) params = {};
+
+	  // Note the enumv not ENUM
+	  // const { enumv, optional, checker, alias } = params;
+	  // let args = [value, type, optional, enumv, checker, alias];
+	  var o = params[OPTIONAL_KEY];
+	  var e = params[ENUM_KEY];
+	  var c = params[CHECKER_KEY];
+	  var a = params[ALIAS_KEY];
+	  return constructConfigFn.apply(null,  [value, type, o, e, c, a])
+	};
+
+	/**
+	 * We recreate the method here to avoid the circlar import
+	 * @param {object} config user supply configuration
+	 * @param {object} appProps mutation options
+	 * @param {object} [constantProps={}] optional: immutation options
+	 * @return {object} all checked configuration
+	 */
+	var checkConfigAsync = function(validateSync) {
+	  return function(config, appProps, constantProps) {
+	    if ( constantProps === void 0 ) constantProps= {};
+
+	    return checkOptionsAsync(config, appProps, constantProps, validateSync)
+	  }
+	};
+
+	// export
+	var isString$1 = checkIsString;
+	var isArray$1 = checkIsArray;
+	var validateAsync$1 = validateAsync;
+
+	var createConfig$1 = createConfig;
+
+	var checkConfigAsync$1 = checkConfigAsync(validateSync);
+
+	var assign = make_assign();
+	var create = make_create();
+	var trim$1 = make_trim();
+	var Global = (typeof window !== 'undefined' ? window : commonjsGlobal);
+
+	var util = {
+		assign: assign,
+		create: create,
+		trim: trim$1,
+		bind: bind,
+		slice: slice,
+		each: each,
+		map: map,
+		pluck: pluck,
+		isList: isList,
+		isFunction: isFunction$1,
+		isObject: isObject$1,
+		Global: Global
+	};
+
+	function make_assign() {
+		if (Object.assign) {
+			return Object.assign
+		} else {
+			return function shimAssign(obj, props1, props2, etc) {
+				var arguments$1 = arguments;
+
+				for (var i = 1; i < arguments.length; i++) {
+					each(Object(arguments$1[i]), function(val, key) {
+						obj[key] = val;
+					});
+				}			
+				return obj
+			}
+		}
+	}
+
+	function make_create() {
+		if (Object.create) {
+			return function create(obj, assignProps1, assignProps2, etc) {
+				var assignArgsList = slice(arguments, 1);
+				return assign.apply(this, [Object.create(obj)].concat(assignArgsList))
+			}
+		} else {
+			function F() {} // eslint-disable-line no-inner-declarations
+			return function create(obj, assignProps1, assignProps2, etc) {
+				var assignArgsList = slice(arguments, 1);
+				F.prototype = obj;
+				return assign.apply(this, [new F()].concat(assignArgsList))
+			}
+		}
+	}
+
+	function make_trim() {
+		if (String.prototype.trim) {
+			return function trim(str) {
+				return String.prototype.trim.call(str)
+			}
+		} else {
+			return function trim(str) {
+				return str.replace(/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g, '')
+			}
+		}
+	}
+
+	function bind(obj, fn) {
+		return function() {
+			return fn.apply(obj, Array.prototype.slice.call(arguments, 0))
+		}
+	}
+
+	function slice(arr, index) {
+		return Array.prototype.slice.call(arr, index || 0)
+	}
+
+	function each(obj, fn) {
+		pluck(obj, function(val, key) {
+			fn(val, key);
+			return false
+		});
+	}
+
+	function map(obj, fn) {
+		var res = (isList(obj) ? [] : {});
+		pluck(obj, function(v, k) {
+			res[k] = fn(v, k);
+			return false
+		});
+		return res
+	}
+
+	function pluck(obj, fn) {
+		if (isList(obj)) {
+			for (var i=0; i<obj.length; i++) {
+				if (fn(obj[i], i)) {
+					return obj[i]
+				}
+			}
+		} else {
+			for (var key in obj) {
+				if (obj.hasOwnProperty(key)) {
+					if (fn(obj[key], key)) {
+						return obj[key]
+					}
+				}
+			}
+		}
+	}
+
+	function isList(val) {
+		return (val != null && typeof val != 'function' && typeof val.length == 'number')
+	}
+
+	function isFunction$1(val) {
+		return val && {}.toString.call(val) === '[object Function]'
+	}
+
+	function isObject$1(val) {
+		return val && {}.toString.call(val) === '[object Object]'
+	}
+
+	var slice$1 = util.slice;
+	var pluck$1 = util.pluck;
+	var each$1 = util.each;
+	var bind$1 = util.bind;
+	var create$1 = util.create;
+	var isList$1 = util.isList;
+	var isFunction$2 = util.isFunction;
+	var isObject$2 = util.isObject;
+
+	var storeEngine = {
+		createStore: createStore
+	};
+
+	var storeAPI = {
+		version: '2.0.12',
+		enabled: false,
+		
+		// get returns the value of the given key. If that value
+		// is undefined, it returns optionalDefaultValue instead.
+		get: function(key, optionalDefaultValue) {
+			var data = this.storage.read(this._namespacePrefix + key);
+			return this._deserialize(data, optionalDefaultValue)
+		},
+
+		// set will store the given value at key and returns value.
+		// Calling set with value === undefined is equivalent to calling remove.
+		set: function(key, value) {
+			if (value === undefined) {
+				return this.remove(key)
+			}
+			this.storage.write(this._namespacePrefix + key, this._serialize(value));
+			return value
+		},
+
+		// remove deletes the key and value stored at the given key.
+		remove: function(key) {
+			this.storage.remove(this._namespacePrefix + key);
+		},
+
+		// each will call the given callback once for each key-value pair
+		// in this store.
+		each: function(callback) {
+			var self = this;
+			this.storage.each(function(val, namespacedKey) {
+				callback.call(self, self._deserialize(val), (namespacedKey || '').replace(self._namespaceRegexp, ''));
+			});
+		},
+
+		// clearAll will remove all the stored key-value pairs in this store.
+		clearAll: function() {
+			this.storage.clearAll();
+		},
+
+		// additional functionality that can't live in plugins
+		// ---------------------------------------------------
+
+		// hasNamespace returns true if this store instance has the given namespace.
+		hasNamespace: function(namespace) {
+			return (this._namespacePrefix == '__storejs_'+namespace+'_')
+		},
+
+		// createStore creates a store.js instance with the first
+		// functioning storage in the list of storage candidates,
+		// and applies the the given mixins to the instance.
+		createStore: function() {
+			return createStore.apply(this, arguments)
+		},
+		
+		addPlugin: function(plugin) {
+			this._addPlugin(plugin);
+		},
+		
+		namespace: function(namespace) {
+			return createStore(this.storage, this.plugins, namespace)
+		}
+	};
+
+	function _warn() {
+		var _console = (typeof console == 'undefined' ? null : console);
+		if (!_console) { return }
+		var fn = (_console.warn ? _console.warn : _console.log);
+		fn.apply(_console, arguments);
+	}
+
+	function createStore(storages, plugins, namespace) {
+		if (!namespace) {
+			namespace = '';
+		}
+		if (storages && !isList$1(storages)) {
+			storages = [storages];
+		}
+		if (plugins && !isList$1(plugins)) {
+			plugins = [plugins];
+		}
+
+		var namespacePrefix = (namespace ? '__storejs_'+namespace+'_' : '');
+		var namespaceRegexp = (namespace ? new RegExp('^'+namespacePrefix) : null);
+		var legalNamespaces = /^[a-zA-Z0-9_\-]*$/; // alpha-numeric + underscore and dash
+		if (!legalNamespaces.test(namespace)) {
+			throw new Error('store.js namespaces can only have alphanumerics + underscores and dashes')
+		}
+		
+		var _privateStoreProps = {
+			_namespacePrefix: namespacePrefix,
+			_namespaceRegexp: namespaceRegexp,
+
+			_testStorage: function(storage) {
+				try {
+					var testStr = '__storejs__test__';
+					storage.write(testStr, testStr);
+					var ok = (storage.read(testStr) === testStr);
+					storage.remove(testStr);
+					return ok
+				} catch(e) {
+					return false
+				}
+			},
+
+			_assignPluginFnProp: function(pluginFnProp, propName) {
+				var oldFn = this[propName];
+				this[propName] = function pluginFn() {
+					var args = slice$1(arguments, 0);
+					var self = this;
+
+					// super_fn calls the old function which was overwritten by
+					// this mixin.
+					function super_fn() {
+						if (!oldFn) { return }
+						each$1(arguments, function(arg, i) {
+							args[i] = arg;
+						});
+						return oldFn.apply(self, args)
+					}
+
+					// Give mixing function access to super_fn by prefixing all mixin function
+					// arguments with super_fn.
+					var newFnArgs = [super_fn].concat(args);
+
+					return pluginFnProp.apply(self, newFnArgs)
+				};
+			},
+
+			_serialize: function(obj) {
+				return JSON.stringify(obj)
+			},
+
+			_deserialize: function(strVal, defaultVal) {
+				if (!strVal) { return defaultVal }
+				// It is possible that a raw string value has been previously stored
+				// in a storage without using store.js, meaning it will be a raw
+				// string value instead of a JSON serialized string. By defaulting
+				// to the raw string value in case of a JSON parse error, we allow
+				// for past stored values to be forwards-compatible with store.js
+				var val = '';
+				try { val = JSON.parse(strVal); }
+				catch(e) { val = strVal; }
+
+				return (val !== undefined ? val : defaultVal)
+			},
+			
+			_addStorage: function(storage) {
+				if (this.enabled) { return }
+				if (this._testStorage(storage)) {
+					this.storage = storage;
+					this.enabled = true;
+				}
+			},
+
+			_addPlugin: function(plugin) {
+				var self = this;
+
+				// If the plugin is an array, then add all plugins in the array.
+				// This allows for a plugin to depend on other plugins.
+				if (isList$1(plugin)) {
+					each$1(plugin, function(plugin) {
+						self._addPlugin(plugin);
+					});
+					return
+				}
+
+				// Keep track of all plugins we've seen so far, so that we
+				// don't add any of them twice.
+				var seenPlugin = pluck$1(this.plugins, function(seenPlugin) {
+					return (plugin === seenPlugin)
+				});
+				if (seenPlugin) {
+					return
+				}
+				this.plugins.push(plugin);
+
+				// Check that the plugin is properly formed
+				if (!isFunction$2(plugin)) {
+					throw new Error('Plugins must be function values that return objects')
+				}
+
+				var pluginProperties = plugin.call(this);
+				if (!isObject$2(pluginProperties)) {
+					throw new Error('Plugins must return an object of function properties')
+				}
+
+				// Add the plugin function properties to this store instance.
+				each$1(pluginProperties, function(pluginFnProp, propName) {
+					if (!isFunction$2(pluginFnProp)) {
+						throw new Error('Bad plugin property: '+propName+' from plugin '+plugin.name+'. Plugins should only return functions.')
+					}
+					self._assignPluginFnProp(pluginFnProp, propName);
+				});
+			},
+			
+			// Put deprecated properties in the private API, so as to not expose it to accidential
+			// discovery through inspection of the store object.
+			
+			// Deprecated: addStorage
+			addStorage: function(storage) {
+				_warn('store.addStorage(storage) is deprecated. Use createStore([storages])');
+				this._addStorage(storage);
+			}
+		};
+
+		var store = create$1(_privateStoreProps, storeAPI, {
+			plugins: []
+		});
+		store.raw = {};
+		each$1(store, function(prop, propName) {
+			if (isFunction$2(prop)) {
+				store.raw[propName] = bind$1(store, prop);			
+			}
+		});
+		each$1(storages, function(storage) {
+			store._addStorage(storage);
+		});
+		each$1(plugins, function(plugin) {
+			store._addPlugin(plugin);
+		});
+		return store
+	}
+
+	var Global$1 = util.Global;
+
+	var localStorage_1 = {
+		name: 'localStorage',
+		read: read,
+		write: write,
+		each: each$2,
+		remove: remove,
+		clearAll: clearAll,
+	};
+
+	function localStorage$1() {
+		return Global$1.localStorage
+	}
+
+	function read(key) {
+		return localStorage$1().getItem(key)
+	}
+
+	function write(key, data) {
+		return localStorage$1().setItem(key, data)
+	}
+
+	function each$2(fn) {
+		for (var i = localStorage$1().length - 1; i >= 0; i--) {
+			var key = localStorage$1().key(i);
+			fn(read(key), key);
+		}
+	}
+
+	function remove(key) {
+		return localStorage$1().removeItem(key)
+	}
+
+	function clearAll() {
+		return localStorage$1().clear()
+	}
+
+	// cookieStorage is useful Safari private browser mode, where localStorage
+	// doesn't work but cookies do. This implementation is adopted from
+	// https://developer.mozilla.org/en-US/docs/Web/API/Storage/LocalStorage
+
+
+	var Global$2 = util.Global;
+	var trim$2 = util.trim;
+
+	var cookieStorage = {
+		name: 'cookieStorage',
+		read: read$1,
+		write: write$1,
+		each: each$3,
+		remove: remove$1,
+		clearAll: clearAll$1,
+	};
+
+	var doc = Global$2.document;
+
+	function read$1(key) {
+		if (!key || !_has(key)) { return null }
+		var regexpStr = "(?:^|.*;\\s*)" +
+			escape(key).replace(/[\-\.\+\*]/g, "\\$&") +
+			"\\s*\\=\\s*((?:[^;](?!;))*[^;]?).*";
+		return unescape(doc.cookie.replace(new RegExp(regexpStr), "$1"))
+	}
+
+	function each$3(callback) {
+		var cookies = doc.cookie.split(/; ?/g);
+		for (var i = cookies.length - 1; i >= 0; i--) {
+			if (!trim$2(cookies[i])) {
+				continue
+			}
+			var kvp = cookies[i].split('=');
+			var key = unescape(kvp[0]);
+			var val = unescape(kvp[1]);
+			callback(val, key);
+		}
+	}
+
+	function write$1(key, data) {
+		if(!key) { return }
+		doc.cookie = escape(key) + "=" + escape(data) + "; expires=Tue, 19 Jan 2038 03:14:07 GMT; path=/";
+	}
+
+	function remove$1(key) {
+		if (!key || !_has(key)) {
+			return
+		}
+		doc.cookie = escape(key) + "=; expires=Thu, 01 Jan 1970 00:00:00 GMT; path=/";
+	}
+
+	function clearAll$1() {
+		each$3(function(_, key) {
+			remove$1(key);
+		});
+	}
+
+	function _has(key) {
+		return (new RegExp("(?:^|;\\s*)" + escape(key).replace(/[\-\.\+\*]/g, "\\$&") + "\\s*\\=")).test(doc.cookie)
+	}
+
+	var defaults = defaultsPlugin;
+
+	function defaultsPlugin() {
+		var defaultValues = {};
+		
+		return {
+			defaults: defaults,
+			get: get
+		}
+		
+		function defaults(_, values) {
+			defaultValues = values;
+		}
+		
+		function get(super_fn, key) {
+			var val = super_fn();
+			return (val !== undefined ? val : defaultValues[key])
+		}
+	}
+
+	var namespace = 'expire_mixin';
+
+	var expire = expirePlugin;
+
+	function expirePlugin() {
+		var expirations = this.createStore(this.storage, null, this._namespacePrefix+namespace);
+		
+		return {
+			set: expire_set,
+			get: expire_get,
+			remove: expire_remove,
+			getExpiration: getExpiration,
+			removeExpiredKeys: removeExpiredKeys
+		}
+		
+		function expire_set(super_fn, key, val, expiration) {
+			if (!this.hasNamespace(namespace)) {
+				expirations.set(key, expiration);
+			}
+			return super_fn()
+		}
+		
+		function expire_get(super_fn, key) {
+			if (!this.hasNamespace(namespace)) {
+				_checkExpiration.call(this, key);
+			}
+			return super_fn()
+		}
+		
+		function expire_remove(super_fn, key) {
+			if (!this.hasNamespace(namespace)) {
+				expirations.remove(key);
+			}
+			return super_fn()
+		}
+		
+		function getExpiration(_, key) {
+			return expirations.get(key)
+		}
+		
+		function removeExpiredKeys(_) {
+			var keys = [];
+			this.each(function(val, key) {
+				keys.push(key);
+			});
+			for (var i=0; i<keys.length; i++) {
+				_checkExpiration.call(this, keys[i]);
+			}
+		}
+		
+		function _checkExpiration(key) {
+			var expiration = expirations.get(key, Number.MAX_VALUE);
+			if (expiration <= new Date().getTime()) {
+				this.raw.remove(key);
+				expirations.remove(key);
+			}
+		}
+		
+	}
+
+	var bind$2 = util.bind;
+	var each$4 = util.each;
+	var create$2 = util.create;
+	var slice$2 = util.slice;
+
+	var events = eventsPlugin;
+
+	function eventsPlugin() {
+		var pubsub = _newPubSub();
+
+		return {
+			watch: watch,
+			unwatch: unwatch,
+			once: once,
+
+			set: set,
+			remove: remove,
+			clearAll: clearAll
+		}
+
+		// new pubsub functions
+		function watch(_, key, listener) {
+			return pubsub.on(key, bind$2(this, listener))
+		}
+		function unwatch(_, subId) {
+			pubsub.off(subId);
+		}
+		function once(_, key, listener) {
+			pubsub.once(key, bind$2(this, listener));
+		}
+
+		// overwrite function to fire when appropriate
+		function set(super_fn, key, val) {
+			var oldVal = this.get(key);
+			super_fn();
+			pubsub.fire(key, val, oldVal);
+		}
+		function remove(super_fn, key) {
+			var oldVal = this.get(key);
+			super_fn();
+			pubsub.fire(key, undefined, oldVal);
+		}
+		function clearAll(super_fn) {
+			var oldVals = {};
+			this.each(function(val, key) {
+				oldVals[key] = val;
+			});
+			super_fn();
+			each$4(oldVals, function(oldVal, key) {
+				pubsub.fire(key, undefined, oldVal);
+			});
+		}
+	}
+
+
+	function _newPubSub() {
+		return create$2(_pubSubBase, {
+			_id: 0,
+			_subSignals: {},
+			_subCallbacks: {}
+		})
+	}
+
+	var _pubSubBase = {
+		_id: null,
+		_subCallbacks: null,
+		_subSignals: null,
+		on: function(signal, callback) {
+			if (!this._subCallbacks[signal]) {
+				this._subCallbacks[signal] = {};
+			}
+			this._id += 1;
+			this._subCallbacks[signal][this._id] = callback;
+			this._subSignals[this._id] = signal;
+			return this._id
+		},
+		off: function(subId) {
+			var signal = this._subSignals[subId];
+			delete this._subCallbacks[signal][subId];
+			delete this._subSignals[subId];
+		},
+		once: function(signal, callback) {
+			var subId = this.on(signal, bind$2(this, function() {
+				callback.apply(this, arguments);
+				this.off(subId);
+			}));
+		},
+		fire: function(signal) {
+			var args = slice$2(arguments, 1);
+			each$4(this._subCallbacks[signal], function(callback) {
+				callback.apply(this, args);
+			});
+		}
+	};
+
+	var lzString = createCommonjsModule(function (module) {
+	/* eslint-disable */
+	// Copyright (c) 2013 Pieroxy <pieroxy@pieroxy.net>
+	// This work is free. You can redistribute it and/or modify it
+	// under the terms of the WTFPL, Version 2
+	// For more information see LICENSE.txt or http://www.wtfpl.net/
+	//
+	// For more information, the home page:
+	// http://pieroxy.net/blog/pages/lz-string/testing.html
+	//
+	// LZ-based compression algorithm, version 1.4.4
+	var LZString = (function() {
+
+	// private property
+	var f = String.fromCharCode;
+	var keyStrBase64 = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
+	var keyStrUriSafe = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+-$";
+	var baseReverseDic = {};
+
+	function getBaseValue(alphabet, character) {
+	  if (!baseReverseDic[alphabet]) {
+	    baseReverseDic[alphabet] = {};
+	    for (var i=0 ; i<alphabet.length ; i++) {
+	      baseReverseDic[alphabet][alphabet.charAt(i)] = i;
+	    }
+	  }
+	  return baseReverseDic[alphabet][character];
+	}
+
+	var LZString = {
+	  compressToBase64 : function (input) {
+	    if (input == null) { return ""; }
+	    var res = LZString._compress(input, 6, function(a){return keyStrBase64.charAt(a);});
+	    switch (res.length % 4) { // To produce valid Base64
+	    default: // When could this happen ?
+	    case 0 : return res;
+	    case 1 : return res+"===";
+	    case 2 : return res+"==";
+	    case 3 : return res+"=";
+	    }
+	  },
+
+	  decompressFromBase64 : function (input) {
+	    if (input == null) { return ""; }
+	    if (input == "") { return null; }
+	    return LZString._decompress(input.length, 32, function(index) { return getBaseValue(keyStrBase64, input.charAt(index)); });
+	  },
+
+	  compressToUTF16 : function (input) {
+	    if (input == null) { return ""; }
+	    return LZString._compress(input, 15, function(a){return f(a+32);}) + " ";
+	  },
+
+	  decompressFromUTF16: function (compressed) {
+	    if (compressed == null) { return ""; }
+	    if (compressed == "") { return null; }
+	    return LZString._decompress(compressed.length, 16384, function(index) { return compressed.charCodeAt(index) - 32; });
+	  },
+
+	  //compress into uint8array (UCS-2 big endian format)
+	  compressToUint8Array: function (uncompressed) {
+	    var compressed = LZString.compress(uncompressed);
+	    var buf=new Uint8Array(compressed.length*2); // 2 bytes per character
+
+	    for (var i=0, TotalLen=compressed.length; i<TotalLen; i++) {
+	      var current_value = compressed.charCodeAt(i);
+	      buf[i*2] = current_value >>> 8;
+	      buf[i*2+1] = current_value % 256;
+	    }
+	    return buf;
+	  },
+
+	  //decompress from uint8array (UCS-2 big endian format)
+	  decompressFromUint8Array:function (compressed) {
+	    if (compressed===null || compressed===undefined){
+	        return LZString.decompress(compressed);
+	    } else {
+	        var buf=new Array(compressed.length/2); // 2 bytes per character
+	        for (var i=0, TotalLen=buf.length; i<TotalLen; i++) {
+	          buf[i]=compressed[i*2]*256+compressed[i*2+1];
+	        }
+
+	        var result = [];
+	        buf.forEach(function (c) {
+	          result.push(f(c));
+	        });
+	        return LZString.decompress(result.join(''));
+
+	    }
+
+	  },
+
+
+	  //compress into a string that is already URI encoded
+	  compressToEncodedURIComponent: function (input) {
+	    if (input == null) { return ""; }
+	    return LZString._compress(input, 6, function(a){return keyStrUriSafe.charAt(a);});
+	  },
+
+	  //decompress from an output of compressToEncodedURIComponent
+	  decompressFromEncodedURIComponent:function (input) {
+	    if (input == null) { return ""; }
+	    if (input == "") { return null; }
+	    input = input.replace(/ /g, "+");
+	    return LZString._decompress(input.length, 32, function(index) { return getBaseValue(keyStrUriSafe, input.charAt(index)); });
+	  },
+
+	  compress: function (uncompressed) {
+	    return LZString._compress(uncompressed, 16, function(a){return f(a);});
+	  },
+	  _compress: function (uncompressed, bitsPerChar, getCharFromInt) {
+	    if (uncompressed == null) { return ""; }
+	    var i, value,
+	        context_dictionary= {},
+	        context_dictionaryToCreate= {},
+	        context_c="",
+	        context_wc="",
+	        context_w="",
+	        context_enlargeIn= 2, // Compensate for the first entry which should not count
+	        context_dictSize= 3,
+	        context_numBits= 2,
+	        context_data=[],
+	        context_data_val=0,
+	        context_data_position=0,
+	        ii;
+
+	    for (ii = 0; ii < uncompressed.length; ii += 1) {
+	      context_c = uncompressed.charAt(ii);
+	      if (!Object.prototype.hasOwnProperty.call(context_dictionary,context_c)) {
+	        context_dictionary[context_c] = context_dictSize++;
+	        context_dictionaryToCreate[context_c] = true;
+	      }
+
+	      context_wc = context_w + context_c;
+	      if (Object.prototype.hasOwnProperty.call(context_dictionary,context_wc)) {
+	        context_w = context_wc;
+	      } else {
+	        if (Object.prototype.hasOwnProperty.call(context_dictionaryToCreate,context_w)) {
+	          if (context_w.charCodeAt(0)<256) {
+	            for (i=0 ; i<context_numBits ; i++) {
+	              context_data_val = (context_data_val << 1);
+	              if (context_data_position == bitsPerChar-1) {
+	                context_data_position = 0;
+	                context_data.push(getCharFromInt(context_data_val));
+	                context_data_val = 0;
+	              } else {
+	                context_data_position++;
+	              }
+	            }
+	            value = context_w.charCodeAt(0);
+	            for (i=0 ; i<8 ; i++) {
+	              context_data_val = (context_data_val << 1) | (value&1);
+	              if (context_data_position == bitsPerChar-1) {
+	                context_data_position = 0;
+	                context_data.push(getCharFromInt(context_data_val));
+	                context_data_val = 0;
+	              } else {
+	                context_data_position++;
+	              }
+	              value = value >> 1;
+	            }
+	          } else {
+	            value = 1;
+	            for (i=0 ; i<context_numBits ; i++) {
+	              context_data_val = (context_data_val << 1) | value;
+	              if (context_data_position ==bitsPerChar-1) {
+	                context_data_position = 0;
+	                context_data.push(getCharFromInt(context_data_val));
+	                context_data_val = 0;
+	              } else {
+	                context_data_position++;
+	              }
+	              value = 0;
+	            }
+	            value = context_w.charCodeAt(0);
+	            for (i=0 ; i<16 ; i++) {
+	              context_data_val = (context_data_val << 1) | (value&1);
+	              if (context_data_position == bitsPerChar-1) {
+	                context_data_position = 0;
+	                context_data.push(getCharFromInt(context_data_val));
+	                context_data_val = 0;
+	              } else {
+	                context_data_position++;
+	              }
+	              value = value >> 1;
+	            }
+	          }
+	          context_enlargeIn--;
+	          if (context_enlargeIn == 0) {
+	            context_enlargeIn = Math.pow(2, context_numBits);
+	            context_numBits++;
+	          }
+	          delete context_dictionaryToCreate[context_w];
+	        } else {
+	          value = context_dictionary[context_w];
+	          for (i=0 ; i<context_numBits ; i++) {
+	            context_data_val = (context_data_val << 1) | (value&1);
+	            if (context_data_position == bitsPerChar-1) {
+	              context_data_position = 0;
+	              context_data.push(getCharFromInt(context_data_val));
+	              context_data_val = 0;
+	            } else {
+	              context_data_position++;
+	            }
+	            value = value >> 1;
+	          }
+
+
+	        }
+	        context_enlargeIn--;
+	        if (context_enlargeIn == 0) {
+	          context_enlargeIn = Math.pow(2, context_numBits);
+	          context_numBits++;
+	        }
+	        // Add wc to the dictionary.
+	        context_dictionary[context_wc] = context_dictSize++;
+	        context_w = String(context_c);
+	      }
+	    }
+
+	    // Output the code for w.
+	    if (context_w !== "") {
+	      if (Object.prototype.hasOwnProperty.call(context_dictionaryToCreate,context_w)) {
+	        if (context_w.charCodeAt(0)<256) {
+	          for (i=0 ; i<context_numBits ; i++) {
+	            context_data_val = (context_data_val << 1);
+	            if (context_data_position == bitsPerChar-1) {
+	              context_data_position = 0;
+	              context_data.push(getCharFromInt(context_data_val));
+	              context_data_val = 0;
+	            } else {
+	              context_data_position++;
+	            }
+	          }
+	          value = context_w.charCodeAt(0);
+	          for (i=0 ; i<8 ; i++) {
+	            context_data_val = (context_data_val << 1) | (value&1);
+	            if (context_data_position == bitsPerChar-1) {
+	              context_data_position = 0;
+	              context_data.push(getCharFromInt(context_data_val));
+	              context_data_val = 0;
+	            } else {
+	              context_data_position++;
+	            }
+	            value = value >> 1;
+	          }
+	        } else {
+	          value = 1;
+	          for (i=0 ; i<context_numBits ; i++) {
+	            context_data_val = (context_data_val << 1) | value;
+	            if (context_data_position == bitsPerChar-1) {
+	              context_data_position = 0;
+	              context_data.push(getCharFromInt(context_data_val));
+	              context_data_val = 0;
+	            } else {
+	              context_data_position++;
+	            }
+	            value = 0;
+	          }
+	          value = context_w.charCodeAt(0);
+	          for (i=0 ; i<16 ; i++) {
+	            context_data_val = (context_data_val << 1) | (value&1);
+	            if (context_data_position == bitsPerChar-1) {
+	              context_data_position = 0;
+	              context_data.push(getCharFromInt(context_data_val));
+	              context_data_val = 0;
+	            } else {
+	              context_data_position++;
+	            }
+	            value = value >> 1;
+	          }
+	        }
+	        context_enlargeIn--;
+	        if (context_enlargeIn == 0) {
+	          context_enlargeIn = Math.pow(2, context_numBits);
+	          context_numBits++;
+	        }
+	        delete context_dictionaryToCreate[context_w];
+	      } else {
+	        value = context_dictionary[context_w];
+	        for (i=0 ; i<context_numBits ; i++) {
+	          context_data_val = (context_data_val << 1) | (value&1);
+	          if (context_data_position == bitsPerChar-1) {
+	            context_data_position = 0;
+	            context_data.push(getCharFromInt(context_data_val));
+	            context_data_val = 0;
+	          } else {
+	            context_data_position++;
+	          }
+	          value = value >> 1;
+	        }
+
+
+	      }
+	      context_enlargeIn--;
+	      if (context_enlargeIn == 0) {
+	        context_enlargeIn = Math.pow(2, context_numBits);
+	        context_numBits++;
+	      }
+	    }
+
+	    // Mark the end of the stream
+	    value = 2;
+	    for (i=0 ; i<context_numBits ; i++) {
+	      context_data_val = (context_data_val << 1) | (value&1);
+	      if (context_data_position == bitsPerChar-1) {
+	        context_data_position = 0;
+	        context_data.push(getCharFromInt(context_data_val));
+	        context_data_val = 0;
+	      } else {
+	        context_data_position++;
+	      }
+	      value = value >> 1;
+	    }
+
+	    // Flush the last char
+	    while (true) {
+	      context_data_val = (context_data_val << 1);
+	      if (context_data_position == bitsPerChar-1) {
+	        context_data.push(getCharFromInt(context_data_val));
+	        break;
+	      }
+	      else { context_data_position++; }
+	    }
+	    return context_data.join('');
+	  },
+
+	  decompress: function (compressed) {
+	    if (compressed == null) { return ""; }
+	    if (compressed == "") { return null; }
+	    return LZString._decompress(compressed.length, 32768, function(index) { return compressed.charCodeAt(index); });
+	  },
+
+	  _decompress: function (length, resetValue, getNextValue) {
+	    var dictionary = [],
+	        next,
+	        enlargeIn = 4,
+	        dictSize = 4,
+	        numBits = 3,
+	        entry = "",
+	        result = [],
+	        i,
+	        w,
+	        bits, resb, maxpower, power,
+	        c,
+	        data = {val:getNextValue(0), position:resetValue, index:1};
+
+	    for (i = 0; i < 3; i += 1) {
+	      dictionary[i] = i;
+	    }
+
+	    bits = 0;
+	    maxpower = Math.pow(2,2);
+	    power=1;
+	    while (power!=maxpower) {
+	      resb = data.val & data.position;
+	      data.position >>= 1;
+	      if (data.position == 0) {
+	        data.position = resetValue;
+	        data.val = getNextValue(data.index++);
+	      }
+	      bits |= (resb>0 ? 1 : 0) * power;
+	      power <<= 1;
+	    }
+
+	    switch (next = bits) {
+	      case 0:
+	          bits = 0;
+	          maxpower = Math.pow(2,8);
+	          power=1;
+	          while (power!=maxpower) {
+	            resb = data.val & data.position;
+	            data.position >>= 1;
+	            if (data.position == 0) {
+	              data.position = resetValue;
+	              data.val = getNextValue(data.index++);
+	            }
+	            bits |= (resb>0 ? 1 : 0) * power;
+	            power <<= 1;
+	          }
+	        c = f(bits);
+	        break;
+	      case 1:
+	          bits = 0;
+	          maxpower = Math.pow(2,16);
+	          power=1;
+	          while (power!=maxpower) {
+	            resb = data.val & data.position;
+	            data.position >>= 1;
+	            if (data.position == 0) {
+	              data.position = resetValue;
+	              data.val = getNextValue(data.index++);
+	            }
+	            bits |= (resb>0 ? 1 : 0) * power;
+	            power <<= 1;
+	          }
+	        c = f(bits);
+	        break;
+	      case 2:
+	        return "";
+	    }
+	    dictionary[3] = c;
+	    w = c;
+	    result.push(c);
+	    while (true) {
+	      if (data.index > length) {
+	        return "";
+	      }
+
+	      bits = 0;
+	      maxpower = Math.pow(2,numBits);
+	      power=1;
+	      while (power!=maxpower) {
+	        resb = data.val & data.position;
+	        data.position >>= 1;
+	        if (data.position == 0) {
+	          data.position = resetValue;
+	          data.val = getNextValue(data.index++);
+	        }
+	        bits |= (resb>0 ? 1 : 0) * power;
+	        power <<= 1;
+	      }
+
+	      switch (c = bits) {
+	        case 0:
+	          bits = 0;
+	          maxpower = Math.pow(2,8);
+	          power=1;
+	          while (power!=maxpower) {
+	            resb = data.val & data.position;
+	            data.position >>= 1;
+	            if (data.position == 0) {
+	              data.position = resetValue;
+	              data.val = getNextValue(data.index++);
+	            }
+	            bits |= (resb>0 ? 1 : 0) * power;
+	            power <<= 1;
+	          }
+
+	          dictionary[dictSize++] = f(bits);
+	          c = dictSize-1;
+	          enlargeIn--;
+	          break;
+	        case 1:
+	          bits = 0;
+	          maxpower = Math.pow(2,16);
+	          power=1;
+	          while (power!=maxpower) {
+	            resb = data.val & data.position;
+	            data.position >>= 1;
+	            if (data.position == 0) {
+	              data.position = resetValue;
+	              data.val = getNextValue(data.index++);
+	            }
+	            bits |= (resb>0 ? 1 : 0) * power;
+	            power <<= 1;
+	          }
+	          dictionary[dictSize++] = f(bits);
+	          c = dictSize-1;
+	          enlargeIn--;
+	          break;
+	        case 2:
+	          return result.join('');
+	      }
+
+	      if (enlargeIn == 0) {
+	        enlargeIn = Math.pow(2, numBits);
+	        numBits++;
+	      }
+
+	      if (dictionary[c]) {
+	        entry = dictionary[c];
+	      } else {
+	        if (c === dictSize) {
+	          entry = w + w.charAt(0);
+	        } else {
+	          return null;
+	        }
+	      }
+	      result.push(entry);
+
+	      // Add w+entry[0] to the dictionary.
+	      dictionary[dictSize++] = w + entry.charAt(0);
+	      enlargeIn--;
+
+	      w = entry;
+
+	      if (enlargeIn == 0) {
+	        enlargeIn = Math.pow(2, numBits);
+	        numBits++;
+	      }
+
+	    }
+	  }
+	};
+	  return LZString;
+	})();
+
+	if(  module != null ) {
+	  module.exports = LZString;
+	}
+	});
+
+	var compression = compressionPlugin;
+
+	function compressionPlugin() {
+		return {
+			get: get,
+			set: set,
+		}
+
+		function get(super_fn, key) {
+			var val = super_fn(key);
+			if (!val) { return val }
+			var decompressed = lzString.decompress(val);
+			// fallback to existing values that are not compressed
+			return (decompressed == null) ? val : this._deserialize(decompressed)
+		}
+
+		function set(super_fn, key, val) {
+			var compressed = lzString.compress(this._serialize(val));
+			super_fn(key, compressed);
+		}
+	}
+
+	// sort of persist on the user side
+
+	var storages = [localStorage_1, cookieStorage];
+	var plugins = [defaults, expire, events, compression];
+
+	var localStore = storeEngine.createStore(storages, plugins);
+
+	var Global$3 = util.Global;
+
+	var sessionStorage_1 = {
+		name: 'sessionStorage',
+		read: read$2,
+		write: write$2,
+		each: each$5,
+		remove: remove$2,
+		clearAll: clearAll$2
+	};
+
+	function sessionStorage() {
+		return Global$3.sessionStorage
+	}
+
+	function read$2(key) {
+		return sessionStorage().getItem(key)
+	}
+
+	function write$2(key, data) {
+		return sessionStorage().setItem(key, data)
+	}
+
+	function each$5(fn) {
+		for (var i = sessionStorage().length - 1; i >= 0; i--) {
+			var key = sessionStorage().key(i);
+			fn(read$2(key), key);
+		}
+	}
+
+	function remove$2(key) {
+		return sessionStorage().removeItem(key)
+	}
+
+	function clearAll$2() {
+		return sessionStorage().clear()
+	}
+
+	// session store with watch
+
+	var storages$1 = [sessionStorage_1, cookieStorage];
+	var plugins$1 = [defaults, expire];
+
+	var sessionStore = storeEngine.createStore(storages$1, plugins$1);
+
+	// export store interface
+
+	// export back the raw version for development purposes
+	var localStore$1 = localStore;
+	var sessionStore$1 = sessionStore;
+
+	/**
+	 * Checks if `value` is classified as an `Array` object.
+	 *
+	 * @static
+	 * @memberOf _
+	 * @since 0.1.0
+	 * @category Lang
+	 * @param {*} value The value to check.
+	 * @returns {boolean} Returns `true` if `value` is an array, else `false`.
+	 * @example
+	 *
+	 * _.isArray([1, 2, 3]);
+	 * // => true
+	 *
+	 * _.isArray(document.body.children);
+	 * // => false
+	 *
+	 * _.isArray('abc');
+	 * // => false
+	 *
+	 * _.isArray(_.noop);
+	 * // => false
+	 */
+	var isArray$2 = Array.isArray;
+
+	var global$1$1 = (typeof global$1 !== "undefined" ? global$1 :
+	            typeof self !== "undefined" ? self :
+	            typeof window !== "undefined" ? window : {});
+
+	/** Detect free variable `global` from Node.js. */
+	var freeGlobal$1 = typeof global$1$1 == 'object' && global$1$1 && global$1$1.Object === Object && global$1$1;
+
+	/** Detect free variable `self`. */
+	var freeSelf$1 = typeof self == 'object' && self && self.Object === Object && self;
+
+	/** Used as a reference to the global object. */
+	var root$1 = freeGlobal$1 || freeSelf$1 || Function('return this')();
+
+	/** Built-in value references. */
+	var Symbol$2 = root$1.Symbol;
+
+	/** Used for built-in method references. */
+	var objectProto$f = Object.prototype;
+
+	/** Used to check objects for own properties. */
+	var hasOwnProperty$c = objectProto$f.hasOwnProperty;
+
+	/**
+	 * Used to resolve the
+	 * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)
+	 * of values.
+	 */
+	var nativeObjectToString$2 = objectProto$f.toString;
+
+	/** Built-in value references. */
+	var symToStringTag$2 = Symbol$2 ? Symbol$2.toStringTag : undefined;
+
+	/**
+	 * A specialized version of `baseGetTag` which ignores `Symbol.toStringTag` values.
+	 *
+	 * @private
+	 * @param {*} value The value to query.
+	 * @returns {string} Returns the raw `toStringTag`.
+	 */
+	function getRawTag$1(value) {
+	  var isOwn = hasOwnProperty$c.call(value, symToStringTag$2),
+	      tag = value[symToStringTag$2];
+
+	  try {
+	    value[symToStringTag$2] = undefined;
+	    var unmasked = true;
+	  } catch (e) {}
+
+	  var result = nativeObjectToString$2.call(value);
+	  if (unmasked) {
+	    if (isOwn) {
+	      value[symToStringTag$2] = tag;
+	    } else {
+	      delete value[symToStringTag$2];
+	    }
+	  }
+	  return result;
+	}
+
+	/** Used for built-in method references. */
+	var objectProto$1$1 = Object.prototype;
+
+	/**
+	 * Used to resolve the
+	 * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)
+	 * of values.
+	 */
+	var nativeObjectToString$1$1 = objectProto$1$1.toString;
+
+	/**
+	 * Converts `value` to a string using `Object.prototype.toString`.
+	 *
+	 * @private
+	 * @param {*} value The value to convert.
+	 * @returns {string} Returns the converted string.
+	 */
+	function objectToString$1(value) {
+	  return nativeObjectToString$1$1.call(value);
+	}
+
+	/** `Object#toString` result references. */
+	var nullTag$1 = '[object Null]',
+	    undefinedTag$1 = '[object Undefined]';
+
+	/** Built-in value references. */
+	var symToStringTag$1$1 = Symbol$2 ? Symbol$2.toStringTag : undefined;
+
+	/**
+	 * The base implementation of `getTag` without fallbacks for buggy environments.
+	 *
+	 * @private
+	 * @param {*} value The value to query.
+	 * @returns {string} Returns the `toStringTag`.
+	 */
+	function baseGetTag$1(value) {
+	  if (value == null) {
+	    return value === undefined ? undefinedTag$1 : nullTag$1;
+	  }
+	  return (symToStringTag$1$1 && symToStringTag$1$1 in Object(value))
+	    ? getRawTag$1(value)
+	    : objectToString$1(value);
+	}
+
+	/**
+	 * Creates a unary function that invokes `func` with its argument transformed.
+	 *
+	 * @private
+	 * @param {Function} func The function to wrap.
+	 * @param {Function} transform The argument transform.
+	 * @returns {Function} Returns the new function.
+	 */
+	function overArg$1(func, transform) {
+	  return function(arg) {
+	    return func(transform(arg));
+	  };
+	}
+
+	/** Built-in value references. */
+	var getPrototype$1 = overArg$1(Object.getPrototypeOf, Object);
+
+	/**
+	 * Checks if `value` is object-like. A value is object-like if it's not `null`
+	 * and has a `typeof` result of "object".
+	 *
+	 * @static
+	 * @memberOf _
+	 * @since 4.0.0
+	 * @category Lang
+	 * @param {*} value The value to check.
+	 * @returns {boolean} Returns `true` if `value` is object-like, else `false`.
+	 * @example
+	 *
+	 * _.isObjectLike({});
+	 * // => true
+	 *
+	 * _.isObjectLike([1, 2, 3]);
+	 * // => true
+	 *
+	 * _.isObjectLike(_.noop);
+	 * // => false
+	 *
+	 * _.isObjectLike(null);
+	 * // => false
+	 */
+	function isObjectLike$1(value) {
+	  return value != null && typeof value == 'object';
+	}
+
+	/** `Object#toString` result references. */
+	var objectTag$4 = '[object Object]';
+
+	/** Used for built-in method references. */
+	var funcProto$3 = Function.prototype,
+	    objectProto$2$1 = Object.prototype;
+
+	/** Used to resolve the decompiled source of functions. */
+	var funcToString$3 = funcProto$3.toString;
+
+	/** Used to check objects for own properties. */
+	var hasOwnProperty$1$1 = objectProto$2$1.hasOwnProperty;
+
+	/** Used to infer the `Object` constructor. */
+	var objectCtorString$1 = funcToString$3.call(Object);
+
+	/**
+	 * Checks if `value` is a plain object, that is, an object created by the
+	 * `Object` constructor or one with a `[[Prototype]]` of `null`.
+	 *
+	 * @static
+	 * @memberOf _
+	 * @since 0.8.0
+	 * @category Lang
+	 * @param {*} value The value to check.
+	 * @returns {boolean} Returns `true` if `value` is a plain object, else `false`.
+	 * @example
+	 *
+	 * function Foo() {
+	 *   this.a = 1;
+	 * }
+	 *
+	 * _.isPlainObject(new Foo);
+	 * // => false
+	 *
+	 * _.isPlainObject([1, 2, 3]);
+	 * // => false
+	 *
+	 * _.isPlainObject({ 'x': 0, 'y': 0 });
+	 * // => true
+	 *
+	 * _.isPlainObject(Object.create(null));
+	 * // => true
+	 */
+	function isPlainObject$1(value) {
+	  if (!isObjectLike$1(value) || baseGetTag$1(value) != objectTag$4) {
+	    return false;
+	  }
+	  var proto = getPrototype$1(value);
+	  if (proto === null) {
+	    return true;
+	  }
+	  var Ctor = hasOwnProperty$1$1.call(proto, 'constructor') && proto.constructor;
+	  return typeof Ctor == 'function' && Ctor instanceof Ctor &&
+	    funcToString$3.call(Ctor) == objectCtorString$1;
+	}
+
+	/** Used to convert symbols to primitives and strings. */
+	var symbolProto$2 = Symbol$2 ? Symbol$2.prototype : undefined,
+	    symbolToString$1 = symbolProto$2 ? symbolProto$2.toString : undefined;
+
+	/** `Object#toString` result references. */
+	var stringTag$3 = '[object String]';
+
+	/**
+	 * Checks if `value` is classified as a `String` primitive or object.
+	 *
+	 * @static
+	 * @since 0.1.0
+	 * @memberOf _
+	 * @category Lang
+	 * @param {*} value The value to check.
+	 * @returns {boolean} Returns `true` if `value` is a string, else `false`.
+	 * @example
+	 *
+	 * _.isString('abc');
+	 * // => true
+	 *
+	 * _.isString(1);
+	 * // => false
+	 */
+	function isString$2(value) {
+	  return typeof value == 'string' ||
+	    (!isArray$2(value) && isObjectLike$1(value) && baseGetTag$1(value) == stringTag$3);
+	}
+
+	// bunch of generic helpers
+
+	/**
+	 * DIY in Array
+	 * @param {array} arr to check from
+	 * @param {*} value to check against
+	 * @return {boolean} true on found
+	 */
+	var inArray$1 = function (arr, value) { return !!arr.filter(function (a) { return a === value; }).length; };
+
+	/**
+	 * @param {object} obj for search
+	 * @param {string} key target
+	 * @return {boolean} true on success
+	 */
+	var isObjectHasKey$1 = function(obj, key) {
+	  var keys = Object.keys(obj);
+	  return inArray$1(keys, key)
+	};
+
+	/**
+	 * @param {boolean} sec return in second or not
+	 * @return {number} timestamp
+	 */
+	var timestamp = function (sec) {
+	  if ( sec === void 0 ) { sec = false; }
+
+	  var time = Date.now();
+	  return sec ? Math.floor( time / 1000 ) : time;
+	};
+
+	/**
+	 * @return {object} _cb as key with timestamp
+	 */
+	var cacheBurst = function () { return ({ _cb: timestamp() }); };
+
+	// the core stuff to id if it's calling with jsonql
+	var DATA_KEY$1 = 'data';
+	var ERROR_KEY$1 = 'error';
+
+	// @TODO remove this is not in use
+	// export const CLIENT_CONFIG_FILE = '.clients.json';
+	// export const CONTRACT_CONFIG_FILE = 'jsonql-contract-config.js';
+	// type of resolvers
+	var QUERY_NAME = 'query';
+	var MUTATION_NAME = 'mutation';
+	var SOCKET_NAME = 'socket';
+	// for calling the mutation
+	var PAYLOAD_PARAM_NAME = 'payload';
+	var CONDITION_PARAM_NAME = 'condition';
+	var QUERY_ARG_NAME = 'args';
+
+	/**
+	 * some time it's hard to tell where the error is throw from
+	 * because client server throw the same, therefore this util fn
+	 * to add a property to the error object to tell if it's throw
+	 * from client or server
+	 *
+	 */
+
+	var isBrowser = function () {
+	  try {
+	    if (window || document) {
+	      return true;
+	    }
+	  } catch(e) {}
+	  return false;
+	};
+
+	var isNode = function () {
+	  try {
+	    if (!isBrowser() && global$1$1) {
+	      return true;
+	    }
+	  } catch(e) {}
+	  return false;
+	};
+
+	function whereAmI() {
+	  if (isBrowser()) {
+	    return 'browser'
+	  }
+	  if (isNode()) {
+	    return 'node'
+	  }
+	  return 'unknown'
+	}
+
+	// The base Error of all
+
+	var JsonqlBaseError = /*@__PURE__*/(function (Error) {
+	  function JsonqlBaseError() {
+	    var arguments$1 = arguments;
+
+	    var args = [], len = arguments.length;
+	    while ( len-- ) { args[ len ] = arguments$1[ len ]; }
+
+	    Error.apply(this, args);
+	  }
+
+	  if ( Error ) { JsonqlBaseError.__proto__ = Error; }
+	  JsonqlBaseError.prototype = Object.create( Error && Error.prototype );
+	  JsonqlBaseError.prototype.constructor = JsonqlBaseError;
+
+	  JsonqlBaseError.where = function where () {
+	    return whereAmI()
+	  };
+
+	  return JsonqlBaseError;
+	}(Error));
+
+	// custom validation error class
+	// when validaton failed
+	var JsonqlValidationError$1 = /*@__PURE__*/(function (JsonqlBaseError) {
+	  function JsonqlValidationError() {
+	    var arguments$1 = arguments;
+
+	    var args = [], len = arguments.length;
+	    while ( len-- ) { args[ len ] = arguments$1[ len ]; }
+
+	    JsonqlBaseError.apply(this, args);
+
+	    this.message = args[0];
+	    this.detail = args[1];
+
+	    this.className = JsonqlValidationError.name;
+
+	    if (Error.captureStackTrace) {
+	      Error.captureStackTrace(this, JsonqlValidationError);
+	    }
+	  }
+
+	  if ( JsonqlBaseError ) { JsonqlValidationError.__proto__ = JsonqlBaseError; }
+	  JsonqlValidationError.prototype = Object.create( JsonqlBaseError && JsonqlBaseError.prototype );
+	  JsonqlValidationError.prototype.constructor = JsonqlValidationError;
+
+	  var staticAccessors = { name: { configurable: true } };
+
+	  staticAccessors.name.get = function () {
+	    return 'JsonqlValidationError';
+	  };
+
+	  Object.defineProperties( JsonqlValidationError, staticAccessors );
+
+	  return JsonqlValidationError;
+	}(JsonqlBaseError));
+
+	// split the contract into the node side and the generic side
+	/**
+	 * Check if the json is a contract file or not
+	 * @param {object} contract json object
+	 * @return {boolean} true
+	 */
+	function checkIsContract(contract) {
+	  return isPlainObject$1(contract)
+	  && (
+	    isObjectHasKey$1(contract, QUERY_NAME)
+	 || isObjectHasKey$1(contract, MUTATION_NAME)
+	 || isObjectHasKey$1(contract, SOCKET_NAME)
+	  )
+	}
+
+	/**
+	 * @param {*} args arguments to send
+	 *@return {object} formatted payload
+	 */
+	var formatPayload = function (args) {
+	  var obj;
+
+	  return (
+	  ( obj = {}, obj[QUERY_ARG_NAME] = args, obj )
+	);
+	};
+
+	/**
+	 * Get name from the payload (ported back from jsonql-koa)
+	 * @param {*} payload to extract from
+	 * @return {string} name
+	 */
+	function getNameFromPayload(payload) {
+	  return Object.keys(payload)[0]
+	}
+
+	/**
+	 * @param {string} resolverName name of function
+	 * @param {array} [args=[]] from the ...args
+	 * @param {boolean} [jsonp = false] add v1.3.0 to koa
+	 * @return {object} formatted argument
+	 */
+	function createQuery(resolverName, args, jsonp) {
+	  var obj;
+
+	  if ( args === void 0 ) { args = []; }
+	  if ( jsonp === void 0 ) { jsonp = false; }
+	  if (isString$2(resolverName) && isArray$2(args)) {
+	    var payload = formatPayload(args);
+	    if (jsonp === true) {
+	      return payload;
+	    }
+	    return ( obj = {}, obj[resolverName] = payload, obj )
+	  }
+	  throw new JsonqlValidationError$1("[createQuery] expect resolverName to be string and args to be array!", { resolverName: resolverName, args: args })
+	}
+
+	/**
+	 * @param {string} resolverName name of function
+	 * @param {*} payload to send
+	 * @param {object} [condition={}] for what
+	 * @param {boolean} [jsonp = false] add v1.3.0 to koa
+	 * @return {object} formatted argument
+	 */
+	function createMutation(resolverName, payload, condition, jsonp) {
+	  var obj;
+
+	  if ( condition === void 0 ) { condition = {}; }
+	  if ( jsonp === void 0 ) { jsonp = false; }
+	  var _payload = {};
+	  _payload[PAYLOAD_PARAM_NAME] = payload;
+	  _payload[CONDITION_PARAM_NAME] = condition;
+	  if (jsonp === true) {
+	    return _payload;
+	  }
+	  if (isString$2(resolverName)) {
+	    return ( obj = {}, obj[resolverName] = _payload, obj )
+	  }
+	  throw new JsonqlValidationError$1("[createMutation] expect resolverName to be string!", { resolverName: resolverName, payload: payload, condition: condition })
+	}
+
+	// ported from http-client
+
+	/**
+	 * handle the return data
+	 * @param {object} result return from server
+	 * @return {object} strip the data part out, or if the error is presented
+	 */
+	var resultHandler = function (result) { return (
+	  (isObjectHasKey$1(result, DATA_KEY$1) && !isObjectHasKey$1(result, ERROR_KEY$1)) ? result[DATA_KEY$1] : result
+	); };
+
+	// exportfor ES modules
+
+	// alias
+	var isContract = checkIsContract;
+
+	// take only the module part which is what we use here
+
+	/**
+	 * @param {object} jsonqlInstance the init instance of jsonql client
+	 * @param {object} contract the static contract
+	 * @return {object} contract may be from server
+	 */
+	var getContractFromConfig = function(jsonqlInstance, contract) {
+	  if ( contract === void 0 ) contract = {};
+
+	  if (isContract(contract)) {
+	    return Promise.resolve(contract)
+	  }
+	  return jsonqlInstance.getContract()
+	};
+
+	// export some constants as well
+	// since it's only use here there is no point of adding it to the constants module
+	// or may be we add it back later
+	var ENDPOINT_TABLE = 'endpoint';
+	var USERDATA_TABLE = 'userdata';
+
+	/**
+	 * The code was extracted from:
+	 * https://github.com/davidchambers/Base64.js
+	 */
+
+	var chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';
+
+	function InvalidCharacterError(message) {
+	  this.message = message;
+	}
+
+	InvalidCharacterError.prototype = new Error();
+	InvalidCharacterError.prototype.name = 'InvalidCharacterError';
+
+	function polyfill (input) {
+	  var str = String(input).replace(/=+$/, '');
+	  if (str.length % 4 == 1) {
+	    throw new InvalidCharacterError("'atob' failed: The string to be decoded is not correctly encoded.");
+	  }
+	  for (
+	    // initialize result and counters
+	    var bc = 0, bs, buffer, idx = 0, output = '';
+	    // get next character
+	    buffer = str.charAt(idx++);
+	    // character found in table? initialize bit storage and add its ascii value;
+	    ~buffer && (bs = bc % 4 ? bs * 64 + buffer : buffer,
+	      // and if not first of each 4 characters,
+	      // convert the first 8 bits to one ascii character
+	      bc++ % 4) ? output += String.fromCharCode(255 & bs >> (-2 * bc & 6)) : 0
+	  ) {
+	    // try to find character in table (0-63, not found => -1)
+	    buffer = chars.indexOf(buffer);
+	  }
+	  return output;
+	}
+
+
+	var atob = typeof window !== 'undefined' && window.atob && window.atob.bind(window) || polyfill;
+
+	function b64DecodeUnicode(str) {
+	  return decodeURIComponent(atob(str).replace(/(.)/g, function (m, p) {
+	    var code = p.charCodeAt(0).toString(16).toUpperCase();
+	    if (code.length < 2) {
+	      code = '0' + code;
+	    }
+	    return '%' + code;
+	  }));
+	}
+
+	var base64_url_decode = function(str) {
+	  var output = str.replace(/-/g, "+").replace(/_/g, "/");
+	  switch (output.length % 4) {
+	    case 0:
+	      break;
+	    case 2:
+	      output += "==";
+	      break;
+	    case 3:
+	      output += "=";
+	      break;
+	    default:
+	      throw "Illegal base64url string!";
+	  }
+
+	  try{
+	    return b64DecodeUnicode(output);
+	  } catch (err) {
+	    return atob(output);
+	  }
+	};
+
+	function InvalidTokenError(message) {
+	  this.message = message;
+	}
+
+	InvalidTokenError.prototype = new Error();
+	InvalidTokenError.prototype.name = 'InvalidTokenError';
+
+	var lib = function (token,options) {
+	  if (typeof token !== 'string') {
+	    throw new InvalidTokenError('Invalid token specified');
+	  }
+
+	  options = options || {};
+	  var pos = options.header === true ? 0 : 1;
+	  try {
+	    return JSON.parse(base64_url_decode(token.split('.')[pos]));
+	  } catch (e) {
+	    throw new InvalidTokenError('Invalid token specified: ' + e.message);
+	  }
+	};
+
+	var InvalidTokenError_1 = InvalidTokenError;
+	lib.InvalidTokenError = InvalidTokenError_1;
+
+	// when the user is login with the jwt
+
+	var timestamp$1 = function (sec) {
+	  if ( sec === void 0 ) { sec = false; }
+
+	  var time = Date.now();
+	  return sec ? Math.floor( time / 1000 ) : time;
+	};
+
+	/**
+	 * We only check the nbf and exp
+	 * @param {object} token for checking
+	 * @return {object} token on success
+	 */
+	function validate(token) {
+	  var start = token.iat || timestamp$1(true);
+	  // we only check the exp for the time being
+	  if (token.exp) {
+	    if (start >= token.exp) {
+	      var expired = new Date(token.exp).toISOString();
+	      throw new JsonqlError(("Token has expired on " + expired), token)
+	    }
+	  }
+	  return token;
+	}
+
+	/**
+	 * The browser client version it has far fewer options and it doesn't verify it
+	 * because it couldn't this is the job for the server
+	 * @TODO we need to add some extra proessing here to check for the exp field
+	 * @param {string} token to decrypted
+	 * @return {object} decrypted object
+	 */
+	function jwtDecode(token) {
+	  if (isString$1(token)) {
+	    var t = lib(token);
+	    return validate(t)
+	  }
+	  throw new JsonqlError('Token must be a string!')
+	}
+
+	var obj, obj$1, obj$2, obj$3, obj$4, obj$5, obj$6, obj$7, obj$8;
+
+	var appProps = {
+	  algorithm: createConfig$1(HSA_ALGO, [STRING_TYPE]),
+	  expiresIn: createConfig$1(false, [BOOLEAN_TYPE, NUMBER_TYPE, STRING_TYPE], ( obj = {}, obj[ALIAS_KEY] = 'exp', obj[OPTIONAL_KEY] = true, obj )),
+	  notBefore: createConfig$1(false, [BOOLEAN_TYPE, NUMBER_TYPE, STRING_TYPE], ( obj$1 = {}, obj$1[ALIAS_KEY] = 'nbf', obj$1[OPTIONAL_KEY] = true, obj$1 )),
+	  audience: createConfig$1(false, [BOOLEAN_TYPE, STRING_TYPE], ( obj$2 = {}, obj$2[ALIAS_KEY] = 'iss', obj$2[OPTIONAL_KEY] = true, obj$2 )),
+	  subject: createConfig$1(false, [BOOLEAN_TYPE, STRING_TYPE], ( obj$3 = {}, obj$3[ALIAS_KEY] = 'sub', obj$3[OPTIONAL_KEY] = true, obj$3 )),
+	  issuer: createConfig$1(false, [BOOLEAN_TYPE, STRING_TYPE], ( obj$4 = {}, obj$4[ALIAS_KEY] = 'iss', obj$4[OPTIONAL_KEY] = true, obj$4 )),
+	  noTimestamp: createConfig$1(false, [BOOLEAN_TYPE], ( obj$5 = {}, obj$5[OPTIONAL_KEY] = true, obj$5 )),
+	  header: createConfig$1(false, [BOOLEAN_TYPE, STRING_TYPE], ( obj$6 = {}, obj$6[OPTIONAL_KEY] = true, obj$6 )),
+	  keyid: createConfig$1(false, [BOOLEAN_TYPE, STRING_TYPE], ( obj$7 = {}, obj$7[OPTIONAL_KEY] = true, obj$7 )),
+	  mutatePayload: createConfig$1(false, [BOOLEAN_TYPE], ( obj$8 = {}, obj$8[OPTIONAL_KEY] = true, obj$8 ))
+	};
+
+	// base HttpClass
+
+	// extract the one we need
+	var POST = API_REQUEST_METHODS[0];
+	var PUT = API_REQUEST_METHODS[1];
+
+	var _log = function () {
+	  var args = [], len = arguments.length;
+	  while ( len-- ) args[ len ] = arguments[ len ];
+
+	  try {
+	    if (window && window.console) {
+	      Reflect.apply(console.log, null, args);
+	    }
+	  } catch(e) {}
+	};
+
+	var HttpClass = function HttpClass(opts) {
+	  // change the way how we init Fly
+	  // flyio now become external depedencies and it makes it easier to switch
+	  // @BUG should we run test to check if we have the windows object?
+	  _log(opts);
+	  this.fly = opts.Fly ? new opts.Fly() : new Fly();
+	  // to a different environment like WeChat mini app
+	  this.opts = opts;
+	  this.extraHeader = {};
+	  // @1.2.1 for adding query to the call on the fly
+	  this.extraParams = {};
+	  // this.log('start up opts', opts);
+	  this.reqInterceptor();
+	  this.resInterceptor();
+	};
+
+	var prototypeAccessors = { headers: { configurable: true } };
+
+	// set headers for that one call
+	prototypeAccessors.headers.set = function (header) {
+	  this.extraHeader = header;
+	};
+
+	/**
+	 * Create the reusage request method
+	 * @param {object} payload jsonql payload
+	 * @param {object} options extra options add the request
+	 * @param {object} headers extra headers add to the call
+	 * @return {object} the fly request instance
+	 */
+	HttpClass.prototype.request = function request (payload, options, headers) {
+	    var obj;
+
+	    if ( options === void 0 ) options = {};
+	    if ( headers === void 0 ) headers = {};
+	  this.headers = headers;
+	  var params = merge({}, cacheBurst(), this.extraParams);
+	  // @TODO need to add a jsonp url and payload
+	  if (this.opts.enableJsonp) {
+	    var resolverName = getNameFromPayload(payload);
+	    params = merge({}, params, ( obj = {}, obj[JSONP_CALLBACK_NAME] = resolverName, obj ));
+	    payload = payload[resolverName];
+	  }
+	  return this.fly.request(
+	    this.jsonqlEndpoint,
+	    payload,
+	    merge({}, { method: POST, params: params }, options)
+	  )
+	};
+
+	/**
+	 * This will replace the create baseRequest method
+	 *
+	 */
+	HttpClass.prototype.reqInterceptor = function reqInterceptor () {
+	    var this$1 = this;
+
+	  this.fly.interceptors.request.use(
+	    function (req) {
+	      var headers = this$1.getHeaders();
+	      this$1.log('request interceptor call', headers);
+
+	      for (var key in headers) {
+	        req.headers[key] = headers[key];
+	      }
+	      return req;
+	    }
+	  );
+	};
+
+	// @TODO
+	HttpClass.prototype.processJsonp = function processJsonp (result) {
+	  return resultHandler(result)
+	};
+
+	/**
+	 * This will be replacement of the first then call
+	 *
+	 */
+	HttpClass.prototype.resInterceptor = function resInterceptor () {
+	    var this$1 = this;
+
+	  var self = this;
+	  var jsonp = self.opts.enableJsonp;
+	  this.fly.interceptors.response.use(
+	    function (res) {
+	      this$1.log('response interceptor call');
+	      self.cleanUp();
+	      // now more processing here
+	      // there is a problem if we throw the result.error here
+	      // the original data is lost, so we need to do what we did before
+	      // deal with that error in the first then instead
+	      var result = isString$1(res.data) ? JSON.parse(res.data) : res.data;
+	      if (jsonp) {
+	        return self.processJsonp(result)
+	      }
+	      return resultHandler(result)
+	    },
+	    // this get call when it's not 200
+	    function (err) {
+	      self.cleanUp();
+	      console.error(err);
+	      throw new JsonqlServerError('Server side error', err)
+	    }
+	  );
+	};
+
+	/**
+	 * Get the headers inject into the call
+	 * @return {object} headers
+	 */
+	HttpClass.prototype.getHeaders = function getHeaders () {
+	  if (this.opts.enableAuth) {
+	    return merge({}, DEFAULT_HEADER, this.getAuthHeader(), this.extraHeader)
+	  }
+	  return merge({}, DEFAULT_HEADER, this.extraHeader)
+	};
+
+	/**
+	 * Post http call operation to clean up things we need
+	 */
+	HttpClass.prototype.cleanUp = function cleanUp () {
+	  this.extraHeader = {};
+	  this.extraParams = {};
+	};
+
+	/**
+	 * GET for contract only
+	 */
+	HttpClass.prototype.get = function get () {
+	    var this$1 = this;
+
+	  if (this.opts.showContractDesc) {
+	    this.extraParams = merge({}, this.extraParams, SHOW_CONTRACT_DESC_PARAM);
+	  }
+	  return this.request({}, {method: 'GET'}, this.contractHeader)
+	    .then(clientErrorsHandler)
+	    .then(function (result) {
+	      this$1.log('get contract result', result);
+	      // when refresh the window the result is different!
+	      // @TODO need to check the Koa side about why is that
+	      // also it should set a flag if we want the description or not
+	      if (result.cache && result.contract) {
+	        return result.contract;
+	      }
+	      // just the normal result
+	      return result
+	    })
+	};
+
+	 /**
+	* POST to server - query
+	* @param {object} name of the resolver
+	* @param {array} args arguments
+	* @return {object} promise resolve to the resolver return
+	*/
+	 HttpClass.prototype.query = function query (name, args) {
+	   if ( args === void 0 ) args = [];
+
+	 return this.request(createQuery(name, args))
+	  .then(clientErrorsHandler)
+	 };
+
+	 /**
+	* PUT to server - mutation
+	* @param {string} name of resolver
+	* @param {object} payload what it said
+	* @param {object} conditions what it said
+	* @return {object} promise resolve to the resolver return
+	*/
+	 HttpClass.prototype.mutation = function mutation (name, payload, conditions) {
+	   if ( payload === void 0 ) payload = {};
+	   if ( conditions === void 0 ) conditions = {};
+
+	 return this.request(createMutation(name, payload, conditions), {method: PUT})
+	  .then(clientErrorsHandler)
+	 };
+
+	Object.defineProperties( HttpClass.prototype, prototypeAccessors );
+
+	// all the contract related methods will be here
+
+	// export
+	var ContractClass = /*@__PURE__*/(function (HttpClass) {
+	  function ContractClass(opts) {
+	    HttpClass.call(this, opts);
+	  }
+
+	  if ( HttpClass ) ContractClass.__proto__ = HttpClass;
+	  ContractClass.prototype = Object.create( HttpClass && HttpClass.prototype );
+	  ContractClass.prototype.constructor = ContractClass;
+
+	  var prototypeAccessors = { contractHeader: { configurable: true } };
+
+	  /**
+	   * return the contract public api
+	   * @return {object} contract
+	   */
+	  ContractClass.prototype.getContract = function getContract () {
+	    var contracts = this.readContract();
+	    this.log('getContract first call', contracts);
+	    if (contracts && Array.isArray(contracts)) {
+	      var contract = contracts[ this[ENDPOINT_TABLE + 'Index'] || 0 ];
+	      if (contract) {
+	        return Promise.resolve(contract)
+	      }
+	    }
+	    return this.get()
+	      .then( this.storeContract.bind(this) )
+	  };
+
+	  /**
+	   * We are changing the way how to auth to get the contract.json
+	   * Instead of in the url, we will be putting that key value in the header
+	   * @return {object} header
+	   */
+	  prototypeAccessors.contractHeader.get = function () {
+	    var base = {};
+	    if (this.opts.contractKey !== false) {
+	      base[this.opts.contractKeyName] = this.opts.contractKey;
+	    }
+	    return base;
+	  };
+
+	  /**
+	   * Save the contract to local store
+	   * @param {object} contract to save
+	   * @return {object|boolean} false when its not a contract or contract on OK
+	   */
+	  ContractClass.prototype.storeContract = function storeContract (contract) {
+	    // first need to check if the contract is a contract
+	    if (!isContract(contract)) {
+	      throw new JsonqlValidationError("Contract is malformed!")
+	      //return false;
+	    }
+	    var args = [contract];
+	    if (this.opts.contractExpired) {
+	      var expired = parseFloat(this.opts.contractExpired);
+	      if (!isNaN(expired) && expired > 0) {
+	        args.push(expired);
+	      }
+	    }
+	    // calling the setter
+	    this.jsonqlContract = args;
+	    // return it
+	    this.log('storeContract return result', contract);
+	    return contract;
+	  };
+
+	  /**
+	   * return the contract from options or localStore
+	   * @return {object} contract
+	   */
+	  ContractClass.prototype.readContract = function readContract () {
+	    var contract = isContract(this.opts.contract);
+	    return contract ? this.opts.contract : localStore$1.get(this.opts.storageKey)
+	  };
+
+	  Object.defineProperties( ContractClass.prototype, prototypeAccessors );
+
+	  return ContractClass;
+	}(HttpClass));
+
+	// this is the new auth class that integrate with the jsonql-jwt
+	// export
+	var AuthClass = /*@__PURE__*/(function (ContractClass) {
+	  function AuthClass(opts) {
+	    ContractClass.call(this, opts);
+	    if (opts.enableAuth && opts.useJwt) {
+	      this.setDecoder = jwtDecode;
+	    }
+	  }
+
+	  if ( ContractClass ) AuthClass.__proto__ = ContractClass;
+	  AuthClass.prototype = Object.create( ContractClass && ContractClass.prototype );
+	  AuthClass.prototype.constructor = AuthClass;
+
+	  var prototypeAccessors = { userdata: { configurable: true },rawAuthToken: { configurable: true },setDecoder: { configurable: true } };
+
+	  /**
+	   * Getter to get the login userdata
+	   * @return {mixed} userdata
+	   */
+	  prototypeAccessors.userdata.get = function () {
+	    return this.jsonqlUserdata; // see base-cls
+	  };
+
+	  /**
+	   * Return the token from session store
+	   * @return {string} token
+	   */
+	  prototypeAccessors.rawAuthToken.get = function () {
+	    // this should return from the base
+	    return this.jsonqlToken; // see base-cls
+	  };
+
+	  /**
+	   * Setter to add a decoder when retrieve user token
+	   * @param {function} d a decoder
+	   */
+	  prototypeAccessors.setDecoder.set = function (d) {
+	    if (typeof d === 'function') {
+	      this.decoder = d;
+	    }
+	  };
+
+	  /**
+	   * Setter after login success
+	   * @TODO this move to a new class to handle multiple login
+	   * @param {string} token to store
+	   * @return {*} success store
+	   */
+	  AuthClass.prototype.storeToken = function storeToken (token) {
+	    return this.jsonqlToken = token;
+	  };
+
+	  /**
+	   * for overwrite
+	   * @param {string} token stored token
+	   * @return {string} token
+	   */
+	  AuthClass.prototype.decoder = function decoder (token) {
+	    return token;
+	  };
+
+	  /**
+	   * Construct the auth header
+	   * @return {object} header
+	   */
+	  AuthClass.prototype.getAuthHeader = function getAuthHeader () {
+	    var obj;
+
+	    var token = this.rawAuthToken;
+	    return token ? ( obj = {}, obj[this.opts.AUTH_HEADER] = (BEARER + " " + token), obj ) : {};
+	  };
+
+	  Object.defineProperties( AuthClass.prototype, prototypeAccessors );
+
+	  return AuthClass;
+	}(ContractClass));
+
+	// this the core of the internal storage management
+
+	// This class will only focus on the storage system
+	var JsonqlBaseClient = /*@__PURE__*/(function (AuthCls) {
+	  function JsonqlBaseClient(opts, Fly) {
+	    if ( Fly === void 0 ) Fly = null;
+
+	    if (Fly) {
+	      opts.Fly = Fly;
+	    }
+	    AuthCls.call(this, opts);
+	  }
+
+	  if ( AuthCls ) JsonqlBaseClient.__proto__ = AuthCls;
+	  JsonqlBaseClient.prototype = Object.create( AuthCls && AuthCls.prototype );
+	  JsonqlBaseClient.prototype.constructor = JsonqlBaseClient;
+
+	  var prototypeAccessors = { storeIt: { configurable: true },jsonqlEndpoint: { configurable: true },jsonqlContract: { configurable: true },jsonqlToken: { configurable: true },jsonqlUserdata: { configurable: true } };
+
+	  // @TODO
+	  prototypeAccessors.storeIt.set = function (args) {
+	    console.info('storeIt', args);
+	    // the args MUST contain [0] the key , [1] the content [2] optional expired in
+	    if (isArray$1(args) && args.length >= 2) {
+	      Reflect.apply(localStore$1.set, localStore$1, args);
+	    }
+	    throw new JsonqlValidationError("Expect argument to be array and least 2 items!")
+	  };
+
+	  // this table index key will drive the contract
+	  // also it should not allow to change dynamicly
+	  // because this is how different client can id itself
+	  // OK this could be self manage because when init a new client
+	  // it will add a new endpoint and we will know if they are the same or not
+	  // but the check here
+	  prototypeAccessors.jsonqlEndpoint.set = function (endpoint) {
+	    var urls = localStore$1.get(ENDPOINT_TABLE) || [];
+	    // should check if this url already existed?
+	    if (!inArray$1(urls, endpoint)) {
+	      urls.push(endpoint);
+	      this.storeId = [ENDPOINT_TABLE, urls];
+	      this[ENDPOINT_TABLE + 'Index'] = urls.length - 1;
+	    }
+	  };
+
+	  // by the time it call the save contract already been checked
+	  prototypeAccessors.jsonqlContract.set = function (args) {
+	    var key = this.opts.storageKey;
+	    var _args = [ key ];
+	    var contract = args[0];
+	    var expired = args[1];
+	    // get the endpoint index
+	    var contracts = localStore$1.get(key) || [];
+	    contracts[ this[ENDPOINT_TABLE + 'Index'] || 0 ] = contract;
+	    _args.push(contracts);
+	    if (expired) {
+	      _args.push(expired);
+	    }
+	    if (this.opts.keepContract) {
+	      this.storeIt = _args;
+	    }
+	  };
+
+	  /**
+	   * save token
+	   * @param {string} token to store
+	   * @return {string|boolean} false on failed
+	   */
+	  prototypeAccessors.jsonqlToken.set = function (token) {
+	    var key = CREDENTIAL_STORAGE_KEY;
+	    var tokens = localStorage.get(key) || [];
+	    if (!inArray$1(tokens, token)) {
+	      var index = tokens.length - 1;
+	      tokens[ index ] = token;
+	      this[key + 'Index'] = index;
+	      var args = [key, tokens];
+	      if (this.opts.tokenExpired) {
+	        var expired = parseFloat(this.opts.tokenExpired);
+	        if (!isNaN(expired) && expired > 0) {
+	          var ts = timestamp();
+	          args.push( ts + parseFloat(expired) );
+	        }
+	      }
+	      this.storeIt = args;
+	      // now decode it and store in the userdata
+	      this.jsonqlUserdata = this.decoder(token);
+	      return token;
+	    }
+	    return false;
+	  };
+
+	  /**
+	   * this one will use the sessionStore
+	   * basically we hook this onto the token store and decode it to store here
+	   */
+	  prototypeAccessors.jsonqlUserdata.set = function (userdata) {
+	    var args = [USERDATA_TABLE, userdata];
+	    if (userdata.exp) {
+	      args.push(userdata.exp);
+	    }
+	    return Reflect.apply(localStore$1.set, localStore$1, args)
+	  };
+
+	  /**
+	   * This also manage the index internally
+	   * There is NO need to store them in an array
+	   * because each instance contain one end point
+	   * @return {string} the end point to call
+	   */
+	  prototypeAccessors.jsonqlEndpoint.get = function () {
+	    var urls = localStore$1.get(ENDPOINT_TABLE);
+	    if (!urls) {
+	      var ref = this.opts;
+	      var hostname = ref.hostname;
+	      var jsonqlPath = ref.jsonqlPath;
+	      var url = [hostname, jsonqlPath].join('/');
+	      this.jsonqlEndpoint = url;
+	      return url;
+	    }
+	    return urls[this[ENDPOINT_TABLE + 'Index']]
+	  };
+
+	  /**
+	   * If already stored then return it by the end point index
+	   * or false when there is none
+	   * 1.2.0 start using the keepContract option (replace the useLocalStorage)
+	   * @return {object|boolean} as described above
+	   */
+	  prototypeAccessors.jsonqlContract.get = function () {
+	    var key = this.opts.storageKey;
+	    var contracts = localStore$1.get(key) || [];
+	    return contracts[ this[ENDPOINT_TABLE + 'Index'] ] || false
+	  };
+
+	  /**
+	   * Jsonql token getter
+	   * @return {string|boolean} false when failed
+	   */
+	  prototypeAccessors.jsonqlToken.get = function () {
+	    var key = CREDENTIAL_STORAGE_KEY;
+	    var tokens = localStorage.get(key);
+	    if (tokens) {
+	      return tokens[ this[key + 'Index'] ]
+	    }
+	    return false;
+	  };
+
+	  /**
+	   * this one store in the session store
+	   * get login userdata decoded jwt
+	   * @return {object|null}
+	   */
+	  prototypeAccessors.jsonqlUserdata.get = function () {
+	    return sessionStore$1.get(USERDATA_TABLE)
+	  };
+
+	  /**
+	   * simple log
+	   */
+	  JsonqlBaseClient.prototype.log = function log () {
+	    var args = [], len = arguments.length;
+	    while ( len-- ) args[ len ] = arguments[ len ];
+
+	    if (this.opts.debugOn === true) {
+	      Reflect.apply(console.info, console, args);
+	    }
+	  };
+
+	  Object.defineProperties( JsonqlBaseClient.prototype, prototypeAccessors );
+
+	  return JsonqlBaseClient;
+	}(AuthClass));
+
+	// export interface
+
+	// bunch of generic helpers
+
+	// quick and dirty to turn non array to array
+	var toArray$1 = function (arg) { return isArray(arg) ? arg : [arg]; };
+
+	/**
+	 * using just the map reduce to chain multiple functions together
+	 * @param {function} mainFn the init function
+	 * @param {array} moreFns as many as you want to take the last value and return a new one
+	 * @return {function} accept value for the mainFn
+	 */
+	var chainFns = function (mainFn) {
+	  var moreFns = [], len = arguments.length - 1;
+	  while ( len-- > 0 ) moreFns[ len ] = arguments[ len + 1 ];
+
+	  return (
+	  function () {
+	    var args = [], len = arguments.length;
+	    while ( len-- ) args[ len ] = arguments[ len ];
+
+	    return (
+	    moreFns.reduce(function (value, nextFn) { return (
+	      // change here to check if the return value is array then we spread it 
+	      Reflect.apply(nextFn, null, toArray$1(value))
+	    ); }, Reflect.apply(mainFn, null, args))
+	  );
+	  }
+	);
+	};
+
+	/**
+	 * check if the object has name property
+	 * @param {object} obj the object to check
+	 * @param {string} name the prop name
+	 * @return {*} the value or undefined
+	 */
+	function objHasProp(obj, name) {
+	  var prop = Object.getOwnPropertyDescriptor(obj, name);
+	  return prop !== undefined && prop.value ? prop.value : prop;
+	}
+
+	/**
+	 * After the user login we will use this Object.define add a new property
+	 * to the resolver with the decoded user data
+	 * @param {function} resolver target resolver
+	 * @param {string} name the name of the object to get inject also for checking
+	 * @param {object} data to inject into the function static interface
+	 * @param {boolean} [overwrite=false] if we want to overwrite the existing data
+	 * @return {function} added property resolver
+	 */
+	function injectToFn(resolver, name, data, overwrite) {
+	  if ( overwrite === void 0 ) overwrite = false;
+
+	  var check = objHasProp(resolver, name);
+	  if (overwrite === false && check !== undefined) {
+	    // console.info(`NOT INJECTED`)
+	    return resolver;
+	  }
+	  /* this will throw error!
+	  if (overwrite === true && check !== undefined) {
+	    delete resolver[name] // delete this property
+	  }
+	  */
+	  // console.info(`INJECTED`)
+	  Object.defineProperty(resolver, name, {
+	    value: data,
+	    writable: overwrite // if its set to true then we should able to overwrite it
+	  });
+
+	  return resolver;
+	}
+
+	// breaking out the inner methods generator in here
+
+	/**
+	 * generate authorisation specific methods
+	 * @param {object} jsonqlInstance instance of this
+	 * @param {string} name of method
+	 * @param {object} opts configuration
+	 * @param {object} contract to match
+	 * @return {function} for use
+	 */
+	var authMethodGenerator = function (jsonqlInstance, name, opts, contract) {
+	  return function () {
+	    var args = [], len = arguments.length;
+	    while ( len-- ) args[ len ] = arguments[ len ];
+
+	    var params = contract.auth[name].params;
+	    var values = params.map(function (p, i) { return args[i]; });
+	    var header = args[params.length] || {};
+	    return validateAsync$1(args, params)
+	      .then(function () { return jsonqlInstance
+	          .query
+	          .apply(jsonqlInstance, [name, values, header]); }
+	      )
+	      .catch(finalCatch)
+	  }
+	};
+
+	/**
+	 * Break up the different type each - create query methods
+	 * @param {object} obj to hold all the objects
+	 * @param {object} jsonqlInstance jsonql class instance
+	 * @param {object} ee eventEmitter
+	 * @param {object} config configuration
+	 * @param {object} contract json
+	 * @return {object} modified output for next op
+	 */
+	var createQueryMethods = function (obj, jsonqlInstance, ee, config, contract) {
+	  var query = {};
+	  var loop = function ( queryFn ) {
+	    // to keep it clean we use a param to id the auth method
+	    // const fn = (_contract.query[queryFn].auth === true) ? 'auth' : queryFn;
+	    // generate the query method
+	    query = injectToFn(query, queryFn, function queryFnHandler() {
+	      var args = [], len = arguments.length;
+	      while ( len-- ) args[ len ] = arguments[ len ];
+
+	    // obj.query[queryFn] = (...args) => {
+	      var params = contract.query[queryFn].params;
+	      var _args = params.map(function (param, i) { return args[i]; });
+	      // debug('query', queryFn, _params);
+	      // @TODO this need to change
+	      // the +1 parameter is the extra headers we want to pass
+	      var header = args[params.length] || {};
+	      // @TODO validate against the type
+	      return validateAsync$1(_args, params)
+	        .then(function () { return jsonqlInstance
+	            .query
+	            .apply(jsonqlInstance, [queryFn, _args, header]); }
+	        )
+	        .catch(finalCatch)
+	    });
+	  };
+
+	  for (var queryFn in contract.query) loop( queryFn );
+	  obj.query = query;
+	  // create an alias to the helloWorld method
+	  obj.helloWorld = query.helloWorld;
+	  return [ obj, jsonqlInstance, ee, config, contract ]
+	};
+
+	/**
+	 * create mutation methods
+	 * @param {object} obj to hold all the objects
+	 * @param {object} jsonqlInstance jsonql class instance
+	 * @param {object} ee eventEmitter
+	 * @param {object} config configuration
+	 * @param {object} contract json
+	 * @return {object} modified output for next op
+	 */
+	var createMutationMethods = function (obj, jsonqlInstance, ee, config, contract) {
+	  var mutation = {};
+	  // process the mutation, the reason the mutation has a fixed number of parameters
+	  // there is only the payload, and conditions parameters
+	  // plus a header at the end
+	  var loop = function ( mutationFn ) {
+	    mutation = injectToFn(mutation, mutationFn, function mutationFnHandler(payload, conditions, header) {
+	      if ( header === void 0 ) header = {};
+
+	    //obj.mutation[mutationFn] = (payload, conditions, header = {}) => {
+	      var args = [payload, conditions];
+	      var params = contract.mutation[mutationFn].params;
+	      return validateAsync$1(args, params)
+	        .then(function () { return jsonqlInstance
+	            .mutation
+	            .apply(jsonqlInstance, [mutationFn, payload, conditions, header]); }
+	        )
+	        .catch(finalCatch)
+	    });
+	  };
+
+	  for (var mutationFn in contract.mutation) loop( mutationFn );
+	  obj.mutation = mutation;
+	  return [ obj, jsonqlInstance, ee, config, contract ]
+	};
+
+	/**
+	 * create auth methods
+	 * @param {object} obj to hold all the objects
+	 * @param {object} jsonqlInstance jsonql class instance
+	 * @param {object} ee eventEmitter
+	 * @param {object} config configuration
+	 * @param {object} contract json
+	 * @return {object} modified output for next op
+	 */
+	var createAuthMethods = function (obj, jsonqlInstance, ee, config, contract) {
+	  if (config.enableAuth && contract.auth) {
+	    var auth = {}; // v1.3.1 add back the auth prop name in contract
+	    var loginHandlerName = config.loginHandlerName;
+	    var logoutHandlerName = config.logoutHandlerName;
+	    if (contract.auth[loginHandlerName]) {
+	      // changing to the name the config specify
+	      auth[loginHandlerName] = function loginHandlerFn() {
+	        var args = [], len = arguments.length;
+	        while ( len-- ) args[ len ] = arguments[ len ];
+
+	        var fn = authMethodGenerator(jsonqlInstance, loginHandlerName, config, contract);
+	        return fn.apply(null, args)
+	          .then(jsonqlInstance.postLoginAction)
+	          .then(function (token) {
+	            ee.$trigger(ISSUER_NAME, token);
+	            return token;
+	          })
+	      };
+	    }
+	    if (contract.auth[logoutHandlerName]) {
+	      auth[logoutHandlerName] = function logoutHandlerFn() {
+	        var args = [], len = arguments.length;
+	        while ( len-- ) args[ len ] = arguments[ len ];
+
+	        var fn = authMethodGenerator(jsonqlInstance, logoutHandlerName, config, contract);
+	        return fn.apply(null, args)
+	          .then(jsonqlInstance.postLogoutAction)
+	          .then(function (r) {
+	            ee.$trigger(LOGOUT_NAME, r);
+	            return r;
+	          })
+	      };
+	    } else {
+	      auth[logoutHandlerName] = function logoutHandlerFn() {
+	        jsonqlInstance.postLogoutAction(KEY_WORD);
+	        ee.$trigger(LOGOUT_NAME, KEY_WORD);
+	      };
+	    }
+	    obj.auth = auth;
+	  }
+	  return obj;
+	};
+
+	/**
+	 * Here just generate the methods calls
+	 * @param {object} jsonqlInstance what it said
+	 * @param {object} ee event emitter
+	 * @param {object} config configuration
+	 * @param {object} contract the map
+	 * @return {object} with mapped methods
+	 */
+	function methodsGenerator(jsonqlInstance, ee, config, contract) {
+	  var obj = {};
+	  var executor = chainFns(createQueryMethods, createMutationMethods, createAuthMethods);
+	  return executor(obj, jsonqlInstance, ee, config, contract)
+	}
+
+	// Generate the resolver for developer to use
+
+	/**
+	 * @param {object} jsonqlInstance jsonql class instance
+	 * @param {object} config options
+	 * @param {object} contract the contract
+	 * @param {object} ee eventEmitter
+	 * @return {object} constructed functions call
+	 */
+	var generator = function (jsonqlInstance, config, contract, ee) {
+	  // V1.3.0 - now everything wrap inside this method
+	  var client = methodsGenerator(jsonqlInstance, ee, config, contract);
+	  // create the rest of the methods
+	  if (config.enableAuth) {
+	    /**
+	     * new method to allow retrieve the current login user data
+	     * @return {*} userdata
+	     */
+	    client.userdata = function () { return jsonqlInstance.userdata; };
+	  }
+	  // allow getting the token for valdiate agains the socket
+	  client.getToken = function () { return jsonqlInstance.rawAuthToken; };
+	  // this will pass to the ws-client if needed
+	  // client.eventEmitter = ee;
+	  // this will require a param
+	  if (config.exposeContract) {
+	    // 1.4.0 change from the get (raw) to the getContract cache and raw version
+	    client.getContract = function () { return jsonqlInstance.getContract(); };
+	  }
+	  // this is for the ws to use later
+	  client.eventEmitter = ee;
+	  client.version = '1.4.3';
+	  // output
+	  return client;
+	};
+
+	// all the client configuration options here
+	var constProps = {
+	  contract: false,
+	  MUTATION_ARGS: ['name', 'payload', 'conditions'], // this seems wrong?
+	  CONTENT_TYPE: CONTENT_TYPE,
+	  BEARER: BEARER,
+	  AUTH_HEADER: AUTH_HEADER
+	};
+
+	// grab the localhost name and put into the hostname as default
+	var getHostName = function () { return (
+	  [window.location.protocol, window.location.host].join('//')
+	); };
+
+	var appProps$1 = {
+
+	  hostname: createConfig$1(getHostName(), [STRING_TYPE]), // required the hostname
+	  jsonqlPath: createConfig$1(JSONQL_PATH, [STRING_TYPE]), // The path on the server
+
+	  loginHandlerName: createConfig$1(ISSUER_NAME, [STRING_TYPE]),
+	  logoutHandlerName: createConfig$1(LOGOUT_NAME, [STRING_TYPE]),
+	  // add to koa v1.3.0 - this might remove in the future
+	  enableJsonp: createConfig$1(false, [BOOLEAN_TYPE]),
+	  enableAuth: createConfig$1(false, [BOOLEAN_TYPE]),
+	  // enable useJwt by default
+	  useJwt: createConfig$1(true, [BOOLEAN_TYPE]),
+
+	   // the header
+	   // v1.2.0 we are using this option during the dev
+	   // so it won't save anything to the localstorage and fetch a new contract
+	   // whenever the browser reload
+	  useLocalstorage: createConfig$1(true, [BOOLEAN_TYPE]), // should we store the contract into localStorage
+	  storageKey: createConfig$1(CLIENT_STORAGE_KEY, [STRING_TYPE]),// the key to use when store into localStorage
+	  authKey: createConfig$1(CLIENT_AUTH_KEY, [STRING_TYPE]),// the key to use when store into the sessionStorage
+	  contractExpired: createConfig$1(0, [NUMBER_TYPE]),// -1 always fetch contract,
+	                      // 0 never expired,
+	                      // > 0 then compare the timestamp with the current one to see if we need to get contract again
+	  // useful during development
+	  keepContract: createConfig$1(true, [BOOLEAN_TYPE]),
+	  exposeContract: createConfig$1(false, [BOOLEAN_TYPE]),
+	  // @1.2.1 new option for the contract-console to fetch the contract with description
+	  showContractDesc: createConfig$1(false, [BOOLEAN_TYPE]),
+	  contractKey: createConfig$1(false, [BOOLEAN_TYPE]), // if the server side is lock by the key you need this
+	  contractKeyName: createConfig$1(CONTRACT_KEY_NAME, [STRING_TYPE]), // same as above they go in pairs
+	  enableTimeout: createConfig$1(false, [BOOLEAN_TYPE]), // @TODO
+	  timeout: createConfig$1(5000, [NUMBER_TYPE]), // 5 seconds
+	  returnInstance: createConfig$1(false, [BOOLEAN_TYPE]),
+	  allowReturnRawToken: createConfig$1(false, [BOOLEAN_TYPE]),
+	  debugOn: createConfig$1(false, [BOOLEAN_TYPE])
+	};
+
+	// we must ensure the user passing the correct options
+
+	function checkOptionsAsync$1(config) {
+	  var contract = config.contract;
+	  return checkConfigAsync$1(config, appProps$1, constProps)
+	    .then(function (opts) {
+	      opts.contract = contract;
+	      return opts;
+	    })
+	}
+
+	// export interface
+	/**
+	 * 1.5.0 overload the orginal functions to pass over the check
+	 */
+	function checkOptionsAsync$2(config) {
+	  return config[CHECKED_KEY] ? config : checkOptionsAsync$1(config)
+	}
+
+	// this is new for the flyio and normalize the name from now on
+
+	/**
+	 * Main interface for jsonql fetch api
+	 * @param {object} config
+	 * @param {object} Fly this is really pain in the backside ... long story
+	 * @return {object} jsonql client
+	 */
+	function jsonqlAsync(ee, config, Fly) {
+	  if ( config === void 0 ) config = {};
+	  if ( Fly === void 0 ) Fly = null;
+
+	  return checkOptionsAsync$2(config)
+	    .then(function (opts) { return (
+	      {
+	        baseClient: new JsonqlBaseClient(opts, Fly),
+	        opts: opts
+	      }
+	    ); })
+	    .then( function (ref) {
+	      var baseClient = ref.baseClient;
+	      var opts = ref.opts;
+
+	      return (
+	      getContractFromConfig(baseClient, opts.contract)
+	        .then(function (contract) { return generator(baseClient, opts, contract, ee); }
+	        )
+	      );
+	  }
+	    )
+	}
+
+	var NB_EVENT_SERVICE_PRIVATE_STORE = new WeakMap();
+	var NB_EVENT_SERVICE_PRIVATE_LAZY = new WeakMap();
+
+	/**
+	 * generate a 32bit hash based on the function.toString()
+	 * _from http://stackoverflow.com/questions/7616461/generate-a-hash-_from-string-in-javascript-jquery
+	 * @param {string} s the converted to string function
+	 * @return {string} the hashed function string
+	 */
+	function hashCode(s) {
+		return s.split("").reduce(function(a,b){a=((a<<5)-a)+b.charCodeAt(0);return a&a},0)
+	}
+
+	// making all the functionality on it's own
+	// import { WatchClass } from './watch'
+
+	var SuspendClass = function SuspendClass() {
+	  // suspend, release and queue
+	  this.__suspend__ = null;
+	  this.queueStore = new Set();
+	  /*
+	  this.watch('suspend', function(value, prop, oldValue) {
+	    this.logger(`${prop} set from ${oldValue} to ${value}`)
+	    // it means it set the suspend = true then release it
+	    if (oldValue === true && value === false) {
+	      // we want this happen after the return happens
+	      setTimeout(() => {
+	        this.release()
+	      }, 1)
+	    }
+	    return value; // we need to return the value to store it
+	  })
+	  */
+	};
+
+	var prototypeAccessors$1 = { $suspend: { configurable: true },$queues: { configurable: true } };
+
+	/**
+	 * setter to set the suspend and check if it's boolean value
+	 * @param {boolean} value to trigger
+	 */
+	prototypeAccessors$1.$suspend.set = function (value) {
+	    var this$1 = this;
+
+	  if (typeof value === 'boolean') {
+	    var lastValue = this.__suspend__;
+	    this.__suspend__ = value;
+	    this.logger('($suspend)', ("Change from " + lastValue + " --> " + value));
+	    if (lastValue === true && value === false) {
+	      setTimeout(function () {
+	        this$1.release();
+	      }, 1);
+	    }
+	  } else {
+	    throw new Error("$suspend only accept Boolean value!")
+	  }
+	};
+
+	/**
+	 * queuing call up when it's in suspend mode
+	 * @param {any} value
+	 * @return {Boolean} true when added or false when it's not
+	 */
+	SuspendClass.prototype.$queue = function $queue () {
+	    var args = [], len = arguments.length;
+	    while ( len-- ) args[ len ] = arguments[ len ];
+
+	  if (this.__suspend__ === true) {
+	    this.logger('($queue)', 'added to $queue', args);
+	    // there shouldn't be any duplicate ...
+	    this.queueStore.add(args);
+	  }
+	  return this.__suspend__;
+	};
+
+	/**
+	 * a getter to get all the store queue
+	 * @return {array} Set turn into Array before return
+	 */
+	prototypeAccessors$1.$queues.get = function () {
+	  var size = this.queueStore.size;
+	  this.logger('($queues)', ("size: " + size));
+	  if (size > 0) {
+	    return Array.from(this.queueStore)
+	  }
+	  return []
+	};
+
+	/**
+	 * Release the queue
+	 * @return {int} size if any
+	 */
+	SuspendClass.prototype.release = function release () {
+	    var this$1 = this;
+
+	  var size = this.queueStore.size;
+	  this.logger('(release)', ("Release was called " + size));
+	  if (size > 0) {
+	    var queue = Array.from(this.queueStore);
+	    this.queueStore.clear();
+	    this.logger('queue', queue);
+	    queue.forEach(function (args) {
+	      this$1.logger(args);
+	      Reflect.apply(this$1.$trigger, this$1, args);
+	    });
+	    this.logger(("Release size " + (this.queueStore.size)));
+	  }
+	};
+
+	Object.defineProperties( SuspendClass.prototype, prototypeAccessors$1 );
+
+	// break up the main file because its getting way too long
+
+	var NbEventServiceBase = /*@__PURE__*/(function (SuspendClass) {
+	  function NbEventServiceBase(config) {
+	    if ( config === void 0 ) config = {};
+
+	    SuspendClass.call(this);
+	    if (config.logger && typeof config.logger === 'function') {
+	      this.logger = config.logger;
+	    }
+	    this.keep = config.keep;
+	    // for the $done setter
+	    this.result = config.keep ? [] : null;
+	    // we need to init the store first otherwise it could be a lot of checking later
+	    this.normalStore = new Map();
+	    this.lazyStore = new Map();
+	  }
+
+	  if ( SuspendClass ) NbEventServiceBase.__proto__ = SuspendClass;
+	  NbEventServiceBase.prototype = Object.create( SuspendClass && SuspendClass.prototype );
+	  NbEventServiceBase.prototype.constructor = NbEventServiceBase;
+
+	  var prototypeAccessors = { normalStore: { configurable: true },lazyStore: { configurable: true } };
+
+	  /**
+	   * validate the event name(s)
+	   * @param {string[]} evt event name
+	   * @return {boolean} true when OK
+	   */
+	  NbEventServiceBase.prototype.validateEvt = function validateEvt () {
+	    var this$1 = this;
+	    var evt = [], len = arguments.length;
+	    while ( len-- ) evt[ len ] = arguments[ len ];
+
+	    evt.forEach(function (e) {
+	      if (typeof e !== 'string') {
+	        this$1.logger('(validateEvt)', e);
+	        throw new Error("event name must be string type!")
+	      }
+	    });
+	    return true;
+	  };
+
+	  /**
+	   * Simple quick check on the two main parameters
+	   * @param {string} evt event name
+	   * @param {function} callback function to call
+	   * @return {boolean} true when OK
+	   */
+	  NbEventServiceBase.prototype.validate = function validate (evt, callback) {
+	    if (this.validateEvt(evt)) {
+	      if (typeof callback === 'function') {
+	        return true;
+	      }
+	    }
+	    throw new Error("callback required to be function type!")
+	  };
+
+	  /**
+	   * Check if this type is correct or not added in V1.5.0
+	   * @param {string} type for checking
+	   * @return {boolean} true on OK
+	   */
+	  NbEventServiceBase.prototype.validateType = function validateType (type) {
+	    var types = ['on', 'only', 'once', 'onlyOnce'];
+	    return !!types.filter(function (t) { return type === t; }).length;
+	  };
+
+	  /**
+	   * Run the callback
+	   * @param {function} callback function to execute
+	   * @param {array} payload for callback
+	   * @param {object} ctx context or null
+	   * @return {void} the result store in $done
+	   */
+	  NbEventServiceBase.prototype.run = function run (callback, payload, ctx) {
+	    this.logger('(run)', callback, payload, ctx);
+	    this.$done = Reflect.apply(callback, ctx, this.toArray(payload));
+	  };
+
+	  /**
+	   * Take the content out and remove it from store id by the name
+	   * @param {string} evt event name
+	   * @param {string} [storeName = lazyStore] name of store
+	   * @return {object|boolean} content or false on not found
+	   */
+	  NbEventServiceBase.prototype.takeFromStore = function takeFromStore (evt, storeName) {
+	    if ( storeName === void 0 ) storeName = 'lazyStore';
+
+	    var store = this[storeName]; // it could be empty at this point
+	    if (store) {
+	      this.logger('(takeFromStore)', storeName, store);
+	      if (store.has(evt)) {
+	        var content = store.get(evt);
+	        this.logger('(takeFromStore)', ("has " + evt), content);
+	        store.delete(evt);
+	        return content;
+	      }
+	      return false;
+	    }
+	    throw new Error((storeName + " is not supported!"))
+	  };
+
+	  /**
+	   * The add to store step is similar so make it generic for resuse
+	   * @param {object} store which store to use
+	   * @param {string} evt event name
+	   * @param {spread} args because the lazy store and normal store store different things
+	   * @return {array} store and the size of the store
+	   */
+	  NbEventServiceBase.prototype.addToStore = function addToStore (store, evt) {
+	    var args = [], len = arguments.length - 2;
+	    while ( len-- > 0 ) args[ len ] = arguments[ len + 2 ];
+
+	    var fnSet;
+	    if (store.has(evt)) {
+	      this.logger('(addToStore)', (evt + " existed"));
+	      fnSet = store.get(evt);
+	    } else {
+	      this.logger('(addToStore)', ("create new Set for " + evt));
+	      // this is new
+	      fnSet = new Set();
+	    }
+	    // lazy only store 2 items - this is not the case in V1.6.0 anymore
+	    // we need to check the first parameter is string or not
+	    if (args.length > 2) {
+	      if (Array.isArray(args[0])) { // lazy store
+	        // check if this type of this event already register in the lazy store
+	        var t = args[2];
+	        if (!this.checkTypeInLazyStore(evt, t)) {
+	          fnSet.add(args);
+	        }
+	      } else {
+	        if (!this.checkContentExist(args, fnSet)) {
+	          this.logger('(addToStore)', "insert new", args);
+	          fnSet.add(args);
+	        }
+	      }
+	    } else { // add straight to lazy store
+	      fnSet.add(args);
+	    }
+	    store.set(evt, fnSet);
+	    return [store, fnSet.size]
+	  };
+
+	  /**
+	   * @param {array} args for compare
+	   * @param {object} fnSet A Set to search from
+	   * @return {boolean} true on exist
+	   */
+	  NbEventServiceBase.prototype.checkContentExist = function checkContentExist (args, fnSet) {
+	    var list = Array.from(fnSet);
+	    return !!list.filter(function (l) {
+	      var hash = l[0];
+	      if (hash === args[0]) {
+	        return true;
+	      }
+	      return false;
+	    }).length;
+	  };
+
+	  /**
+	   * get the existing type to make sure no mix type add to the same store
+	   * @param {string} evtName event name
+	   * @param {string} type the type to check
+	   * @return {boolean} true you can add, false then you can't add this type
+	   */
+	  NbEventServiceBase.prototype.checkTypeInStore = function checkTypeInStore (evtName, type) {
+	    this.validateEvt(evtName, type);
+	    var all = this.$get(evtName, true);
+	    if (all === false) {
+	       // pristine it means you can add
+	      return true;
+	    }
+	    // it should only have ONE type in ONE event store
+	    return !all.filter(function (list) {
+	      var t = list[3];
+	      return type !== t;
+	    }).length;
+	  };
+
+	  /**
+	   * This is checking just the lazy store because the structure is different
+	   * therefore we need to use a new method to check it
+	   */
+	  NbEventServiceBase.prototype.checkTypeInLazyStore = function checkTypeInLazyStore (evtName, type) {
+	    this.validateEvt(evtName, type);
+	    var store = this.lazyStore.get(evtName);
+	    this.logger('(checkTypeInLazyStore)', store);
+	    if (store) {
+	      return !!Array
+	        .from(store)
+	        .filter(function (l) {
+	          var t = l[2];
+	          return t !== type;
+	        }).length
+	    }
+	    return false;
+	  };
+
+	  /**
+	   * wrapper to re-use the addToStore,
+	   * V1.3.0 add extra check to see if this type can add to this evt
+	   * @param {string} evt event name
+	   * @param {string} type on or once
+	   * @param {function} callback function
+	   * @param {object} context the context the function execute in or null
+	   * @return {number} size of the store
+	   */
+	  NbEventServiceBase.prototype.addToNormalStore = function addToNormalStore (evt, type, callback, context) {
+	    if ( context === void 0 ) context = null;
+
+	    this.logger('(addToNormalStore)', evt, type, 'try to add to normal store');
+	    // @TODO we need to check the existing store for the type first!
+	    if (this.checkTypeInStore(evt, type)) {
+	      this.logger('(addToNormalStore)', (type + " can add to " + evt + " normal store"));
+	      var key = this.hashFnToKey(callback);
+	      var args = [this.normalStore, evt, key, callback, context, type];
+	      var ref = Reflect.apply(this.addToStore, this, args);
+	      var _store = ref[0];
+	      var size = ref[1];
+	      this.normalStore = _store;
+	      return size;
+	    }
+	    return false;
+	  };
+
+	  /**
+	   * Add to lazy store this get calls when the callback is not register yet
+	   * so we only get a payload object or even nothing
+	   * @param {string} evt event name
+	   * @param {array} payload of arguments or empty if there is none
+	   * @param {object} [context=null] the context the callback execute in
+	   * @param {string} [type=false] register a type so no other type can add to this evt
+	   * @return {number} size of the store
+	   */
+	  NbEventServiceBase.prototype.addToLazyStore = function addToLazyStore (evt, payload, context, type) {
+	    if ( payload === void 0 ) payload = [];
+	    if ( context === void 0 ) context = null;
+	    if ( type === void 0 ) type = false;
+
+	    // this is add in V1.6.0
+	    // when there is type then we will need to check if this already added in lazy store
+	    // and no other type can add to this lazy store
+	    var args = [this.lazyStore, evt, this.toArray(payload), context];
+	    if (type) {
+	      args.push(type);
+	    }
+	    var ref = Reflect.apply(this.addToStore, this, args);
+	    var _store = ref[0];
+	    var size = ref[1];
+	    this.lazyStore = _store;
+	    return size;
+	  };
+
+	  /**
+	   * make sure we store the argument correctly
+	   * @param {*} arg could be array
+	   * @return {array} make sured
+	   */
+	  NbEventServiceBase.prototype.toArray = function toArray (arg) {
+	    return Array.isArray(arg) ? arg : [arg];
+	  };
+
+	  /**
+	   * setter to store the Set in private
+	   * @param {object} obj a Set
+	   */
+	  prototypeAccessors.normalStore.set = function (obj) {
+	    NB_EVENT_SERVICE_PRIVATE_STORE.set(this, obj);
+	  };
+
+	  /**
+	   * @return {object} Set object
+	   */
+	  prototypeAccessors.normalStore.get = function () {
+	    return NB_EVENT_SERVICE_PRIVATE_STORE.get(this)
+	  };
+
+	  /**
+	   * setter to store the Set in lazy store
+	   * @param {object} obj a Set
+	   */
+	  prototypeAccessors.lazyStore.set = function (obj) {
+	    NB_EVENT_SERVICE_PRIVATE_LAZY.set(this , obj);
+	  };
+
+	  /**
+	   * @return {object} the lazy store Set
+	   */
+	  prototypeAccessors.lazyStore.get = function () {
+	    return NB_EVENT_SERVICE_PRIVATE_LAZY.get(this)
+	  };
+
+	  /**
+	   * generate a hashKey to identify the function call
+	   * The build-in store some how could store the same values!
+	   * @param {function} fn the converted to string function
+	   * @return {string} hashKey
+	   */
+	  NbEventServiceBase.prototype.hashFnToKey = function hashFnToKey (fn) {
+	    return hashCode(fn.toString()) + '';
+	  };
+
+	  Object.defineProperties( NbEventServiceBase.prototype, prototypeAccessors );
+
+	  return NbEventServiceBase;
+	}(SuspendClass));
+
+	// The top level
+	// export
+	var EventService = /*@__PURE__*/(function (NbStoreService) {
+	  function EventService(config) {
+	    if ( config === void 0 ) config = {};
+
+	    NbStoreService.call(this, config);
+	  }
+
+	  if ( NbStoreService ) EventService.__proto__ = NbStoreService;
+	  EventService.prototype = Object.create( NbStoreService && NbStoreService.prototype );
+	  EventService.prototype.constructor = EventService;
+
+	  var prototypeAccessors = { $done: { configurable: true } };
+
+	  /**
+	   * logger function for overwrite
+	   */
+	  EventService.prototype.logger = function logger () {};
+
+	  //////////////////////////
+	  //    PUBLIC METHODS    //
+	  //////////////////////////
+
+	  /**
+	   * Register your evt handler, note we don't check the type here,
+	   * we expect you to be sensible and know what you are doing.
+	   * @param {string} evt name of event
+	   * @param {function} callback bind method --> if it's array or not
+	   * @param {object} [context=null] to execute this call in
+	   * @return {number} the size of the store
+	   */
+	  EventService.prototype.$on = function $on (evt , callback , context) {
+	    var this$1 = this;
+	    if ( context === void 0 ) context = null;
+
+	    var type = 'on';
+	    this.validate(evt, callback);
+	    // first need to check if this evt is in lazy store
+	    var lazyStoreContent = this.takeFromStore(evt);
+	    // this is normal register first then call later
+	    if (lazyStoreContent === false) {
+	      this.logger('($on)', (evt + " callback is not in lazy store"));
+	      // @TODO we need to check if there was other listener to this
+	      // event and are they the same type then we could solve that
+	      // register the different type to the same event name
+
+	      return this.addToNormalStore(evt, type, callback, context)
+	    }
+	    this.logger('($on)', (evt + " found in lazy store"));
+	    // this is when they call $trigger before register this callback
+	    var size = 0;
+	    lazyStoreContent.forEach(function (content) {
+	      var payload = content[0];
+	      var ctx = content[1];
+	      var t = content[2];
+	      if (t && t !== type) {
+	        throw new Error(("You are trying to register an event already been taken by other type: " + t))
+	      }
+	      this$1.logger("($on)", ("call run on " + evt));
+	      this$1.run(callback, payload, context || ctx);
+	      size += this$1.addToNormalStore(evt, type, callback, context || ctx);
+	    });
+	    return size;
+	  };
+
+	  /**
+	   * once only registered it once, there is no overwrite option here
+	   * @NOTE change in v1.3.0 $once can add multiple listeners
+	   *       but once the event fired, it will remove this event (see $only)
+	   * @param {string} evt name
+	   * @param {function} callback to execute
+	   * @param {object} [context=null] the handler execute in
+	   * @return {boolean} result
+	   */
+	  EventService.prototype.$once = function $once (evt , callback , context) {
+	    if ( context === void 0 ) context = null;
+
+	    this.validate(evt, callback);
+	    var type = 'once';
+	    var lazyStoreContent = this.takeFromStore(evt);
+	    // this is normal register before call $trigger
+	    var nStore = this.normalStore;
+	    if (lazyStoreContent === false) {
+	      this.logger('($once)', (evt + " not in the lazy store"));
+	      // v1.3.0 $once now allow to add multiple listeners
+	      return this.addToNormalStore(evt, type, callback, context)
+	    } else {
+	      // now this is the tricky bit
+	      // there is a potential bug here that cause by the developer
+	      // if they call $trigger first, the lazy won't know it's a once call
+	      // so if in the middle they register any call with the same evt name
+	      // then this $once call will be fucked - add this to the documentation
+	      this.logger('($once)', lazyStoreContent);
+	      var list = Array.from(lazyStoreContent);
+	      // should never have more than 1
+	      var ref = list[0];
+	      var payload = ref[0];
+	      var ctx = ref[1];
+	      var t = ref[2];
+	      if (t && t !== type) {
+	        throw new Error(("You are trying to register an event already been taken by other type: " + t))
+	      }
+	      this.logger('($once)', ("call run for " + evt));
+	      this.run(callback, payload, context || ctx);
+	      // remove this evt from store
+	      this.$off(evt);
+	    }
+	  };
+
+	  /**
+	   * This one event can only bind one callbackback
+	   * @param {string} evt event name
+	   * @param {function} callback event handler
+	   * @param {object} [context=null] the context the event handler execute in
+	   * @return {boolean} true bind for first time, false already existed
+	   */
+	  EventService.prototype.$only = function $only (evt, callback, context) {
+	    var this$1 = this;
+	    if ( context === void 0 ) context = null;
+
+	    this.validate(evt, callback);
+	    var type = 'only';
+	    var added = false;
+	    var lazyStoreContent = this.takeFromStore(evt);
+	    // this is normal register before call $trigger
+	    var nStore = this.normalStore;
+	    if (!nStore.has(evt)) {
+	      this.logger("($only)", (evt + " add to store"));
+	      added = this.addToNormalStore(evt, type, callback, context);
+	    }
+	    if (lazyStoreContent !== false) {
+	      // there are data store in lazy store
+	      this.logger('($only)', (evt + " found data in lazy store to execute"));
+	      var list = Array.from(lazyStoreContent);
+	      // $only allow to trigger this multiple time on the single handler
+	      list.forEach( function (l) {
+	        var payload = l[0];
+	        var ctx = l[1];
+	        var t = l[2];
+	        if (t && t !== type) {
+	          throw new Error(("You are trying to register an event already been taken by other type: " + t))
+	        }
+	        this$1.logger("($only)", ("call run for " + evt));
+	        this$1.run(callback, payload, context || ctx);
+	      });
+	    }
+	    return added;
+	  };
+
+	  /**
+	   * $only + $once this is because I found a very subtile bug when we pass a
+	   * resolver, rejecter - and it never fire because that's OLD added in v1.4.0
+	   * @param {string} evt event name
+	   * @param {function} callback to call later
+	   * @param {object} [context=null] exeucte context
+	   * @return {void}
+	   */
+	  EventService.prototype.$onlyOnce = function $onlyOnce (evt, callback, context) {
+	    if ( context === void 0 ) context = null;
+
+	    this.validate(evt, callback);
+	    var type = 'onlyOnce';
+	    var added = false;
+	    var lazyStoreContent = this.takeFromStore(evt);
+	    // this is normal register before call $trigger
+	    var nStore = this.normalStore;
+	    if (!nStore.has(evt)) {
+	      this.logger("($onlyOnce)", (evt + " add to store"));
+	      added = this.addToNormalStore(evt, type, callback, context);
+	    }
+	    if (lazyStoreContent !== false) {
+	      // there are data store in lazy store
+	      this.logger('($onlyOnce)', lazyStoreContent);
+	      var list = Array.from(lazyStoreContent);
+	      // should never have more than 1
+	      var ref = list[0];
+	      var payload = ref[0];
+	      var ctx = ref[1];
+	      var t = ref[2];
+	      if (t && t !== 'onlyOnce') {
+	        throw new Error(("You are trying to register an event already been taken by other type: " + t))
+	      }
+	      this.logger("($onlyOnce)", ("call run for " + evt));
+	      this.run(callback, payload, context || ctx);
+	      // remove this evt from store
+	      this.$off(evt);
+	    }
+	    return added;
+	  };
+
+	  /**
+	   * This is a shorthand of $off + $on added in V1.5.0
+	   * @param {string} evt event name
+	   * @param {function} callback to exeucte
+	   * @param {object} [context = null] or pass a string as type
+	   * @param {string} [type=on] what type of method to replace
+	   * @return {}
+	   */
+	  EventService.prototype.$replace = function $replace (evt, callback, context, type) {
+	    if ( context === void 0 ) context = null;
+	    if ( type === void 0 ) type = 'on';
+
+	    if (this.validateType(type)) {
+	      this.$off(evt);
+	      var method = this['$' + type];
+	      this.logger("($replace)", evt, callback);
+	      return Reflect.apply(method, this, [evt, callback, context])
+	    }
+	    throw new Error((type + " is not supported!"))
+	  };
+
+	  /**
+	   * trigger the event
+	   * @param {string} evt name NOT allow array anymore!
+	   * @param {mixed} [payload = []] pass to fn
+	   * @param {object|string} [context = null] overwrite what stored
+	   * @param {string} [type=false] if pass this then we need to add type to store too
+	   * @return {number} if it has been execute how many times
+	   */
+	  EventService.prototype.$trigger = function $trigger (evt , payload , context, type) {
+	    if ( payload === void 0 ) payload = [];
+	    if ( context === void 0 ) context = null;
+	    if ( type === void 0 ) type = false;
+
+	    this.validateEvt(evt);
+	    var found = 0;
+	    // first check the normal store
+	    var nStore = this.normalStore;
+	    this.logger('($trigger)', 'normalStore', nStore);
+	    if (nStore.has(evt)) {
+	      // @1.8.0 to add the suspend queue
+	      var added = this.$queue(evt, payload, context, type);
+	      this.logger('($trigger)', evt, 'found; add to queue: ', added);
+	      if (added === true) {
+	        this.logger('($trigger)', evt, 'not executed. Exit now.');
+	        return false; // not executed
+	      }
+	      var nSet = Array.from(nStore.get(evt));
+	      var ctn = nSet.length;
+	      var hasOnce = false;
+	      for (var i=0; i < ctn; ++i) {
+	        ++found;
+	        // this.logger('found', found)
+	        var ref = nSet[i];
+	        var _ = ref[0];
+	        var callback = ref[1];
+	        var ctx = ref[2];
+	        var type$1 = ref[3];
+	        this.logger("($trigger)", ("call run for " + evt));
+	        this.run(callback, payload, context || ctx);
+	        if (type$1 === 'once' || type$1 === 'onlyOnce') {
+	          hasOnce = true;
+	        }
+	      }
+	      if (hasOnce) {
+	        nStore.delete(evt);
+	      }
+	      return found;
+	    }
+	    // now this is not register yet
+	    this.addToLazyStore(evt, payload, context, type);
+	    return found;
+	  };
+
+	  /**
+	   * this is an alias to the $trigger
+	   * @NOTE breaking change in V1.6.0 we swap the parameter around
+	   * @param {string} evt event name
+	   * @param {*} params pass to the callback
+	   * @param {string} type of call
+	   * @param {object} context what context callback execute in
+	   * @return {*} from $trigger
+	   */
+	  EventService.prototype.$call = function $call (evt, params, type, context) {
+	    if ( type === void 0 ) type = false;
+	    if ( context === void 0 ) context = null;
+
+	    var args = [evt, params, context, type];
+	    return Reflect.apply(this.$trigger, this, args)
+	  };
+
+	  /**
+	   * remove the evt from all the stores
+	   * @param {string} evt name
+	   * @return {boolean} true actually delete something
+	   */
+	  EventService.prototype.$off = function $off (evt) {
+	    var this$1 = this;
+
+	    this.validateEvt(evt);
+	    var stores = [ this.lazyStore, this.normalStore ];
+	    var found = false;
+	    stores.forEach(function (store) {
+	      if (store.has(evt)) {
+	        found = true;
+	        this$1.logger('($off)', evt);
+	        store.delete(evt);
+	      }
+	    });
+	    return found;
+	  };
+
+	  /**
+	   * return all the listener from the event
+	   * @param {string} evtName event name
+	   * @param {boolean} [full=false] if true then return the entire content
+	   * @return {array|boolean} listerner(s) or false when not found
+	   */
+	  EventService.prototype.$get = function $get (evt, full) {
+	    if ( full === void 0 ) full = false;
+
+	    this.validateEvt(evt);
+	    var store = this.normalStore;
+	    if (store.has(evt)) {
+	      return Array
+	        .from(store.get(evt))
+	        .map( function (l) {
+	          if (full) {
+	            return l;
+	          }
+	          var key = l[0];
+	          var callback = l[1];
+	          return callback;
+	        })
+	    }
+	    return false;
+	  };
+
+	  /**
+	   * store the return result from the run
+	   * @param {*} value whatever return from callback
+	   */
+	  prototypeAccessors.$done.set = function (value) {
+	    this.logger('($done)', 'value: ', value);
+	    if (this.keep) {
+	      this.result.push(value);
+	    } else {
+	      this.result = value;
+	    }
+	  };
+
+	  /**
+	   * @TODO is there any real use with the keep prop?
+	   * getter for $done
+	   * @return {*} whatever last store result
+	   */
+	  prototypeAccessors.$done.get = function () {
+	    if (this.keep) {
+	      this.logger('(get $done)', this.result);
+	      return this.result[this.result.length - 1]
+	    }
+	    return this.result;
+	  };
+
+	  Object.defineProperties( EventService.prototype, prototypeAccessors );
+
+	  return EventService;
+	}(NbEventServiceBase));
+
+	// default
+
+	// this will generate a event emitter and will be use everywhere
+	// output
+	function getEventEmitter(debugOn) {
+	  var logger = debugOn ? function () {
+	    var args = [], len = arguments.length;
+	    while ( len-- ) args[ len ] = arguments[ len ];
+
+	    args.unshift('[NBS]');
+	    console.log.apply(null, args);
+	  }: undefined;
+	  return new EventService({ logger: logger })
+	}
+
+	// main export interface
+	// import { isContract } from './src/utils'
+
+	/**
+	 * When pass a static contract then it return a static interface
+	 * otherwise it will become the async interface
+	 * @param {object} Fly the http engine
+	 * @param {object} config configuration
+	 * @return {object} jsonqlClient
+	 */
+	function jsonqlClient(Fly, config) {
+	  var ee = getEventEmitter(config.debugOn);
+	  return jsonqlAsync(ee, config, Fly)
+	}
+
+	// this one will bring the fly.js in
+
+	function full(config) {
+	  if ( config === void 0 ) config = {};
+
+	  return jsonqlClient(Fly$1, config)
+	}
+
+	return full;
+
+})));
 //# sourceMappingURL=jsonql-client.umd.js.map
diff --git a/packages/http-client/dist/jsonql-client.umd.js.map b/packages/http-client/dist/jsonql-client.umd.js.map
index f1e9f9d5807af6b0e56f55ebccf63c1aa32cb553..98e1f8a5bb28d522de495997e5bfd3078bf1cb45 100644
--- a/packages/http-client/dist/jsonql-client.umd.js.map
+++ b/packages/http-client/dist/jsonql-client.umd.js.map
@@ -1 +1 @@
-{"version":3,"file":"jsonql-client.umd.js","sources":["../node_modules/store/plugins/defaults.js","../node_modules/store/plugins/expire.js"],"sourcesContent":["module.exports = defaultsPlugin\n\nfunction defaultsPlugin() {\n\tvar defaultValues = {}\n\t\n\treturn {\n\t\tdefaults: defaults,\n\t\tget: get\n\t}\n\t\n\tfunction defaults(_, values) {\n\t\tdefaultValues = values\n\t}\n\t\n\tfunction get(super_fn, key) {\n\t\tvar val = super_fn()\n\t\treturn (val !== undefined ? val : defaultValues[key])\n\t}\n}\n","var namespace = 'expire_mixin'\n\nmodule.exports = expirePlugin\n\nfunction expirePlugin() {\n\tvar expirations = this.createStore(this.storage, null, this._namespacePrefix+namespace)\n\t\n\treturn {\n\t\tset: expire_set,\n\t\tget: expire_get,\n\t\tremove: expire_remove,\n\t\tgetExpiration: getExpiration,\n\t\tremoveExpiredKeys: removeExpiredKeys\n\t}\n\t\n\tfunction expire_set(super_fn, key, val, expiration) {\n\t\tif (!this.hasNamespace(namespace)) {\n\t\t\texpirations.set(key, expiration)\n\t\t}\n\t\treturn super_fn()\n\t}\n\t\n\tfunction expire_get(super_fn, key) {\n\t\tif (!this.hasNamespace(namespace)) {\n\t\t\t_checkExpiration.call(this, key)\n\t\t}\n\t\treturn super_fn()\n\t}\n\t\n\tfunction expire_remove(super_fn, key) {\n\t\tif (!this.hasNamespace(namespace)) {\n\t\t\texpirations.remove(key)\n\t\t}\n\t\treturn super_fn()\n\t}\n\t\n\tfunction getExpiration(_, key) {\n\t\treturn expirations.get(key)\n\t}\n\t\n\tfunction removeExpiredKeys(_) {\n\t\tvar keys = []\n\t\tthis.each(function(val, key) {\n\t\t\tkeys.push(key)\n\t\t})\n\t\tfor (var i=0; i<keys.length; i++) {\n\t\t\t_checkExpiration.call(this, keys[i])\n\t\t}\n\t}\n\t\n\tfunction _checkExpiration(key) {\n\t\tvar expiration = expirations.get(key, Number.MAX_VALUE)\n\t\tif (expiration <= new Date().getTime()) {\n\t\t\tthis.raw.remove(key)\n\t\t\texpirations.remove(key)\n\t\t}\n\t}\n\t\n}\n"],"names":[],"mappings":"im3CAAA,sHCAA"}
\ No newline at end of file
+{"version":3,"file":"jsonql-client.umd.js","sources":["../node_modules/lodash-es/isNull.js","../node_modules/rollup-plugin-node-globals/src/global.js","../node_modules/lodash-es/_arrayMap.js","../node_modules/lodash-es/isArray.js","../node_modules/lodash-es/_objectToString.js","../node_modules/lodash-es/isObjectLike.js","../node_modules/lodash-es/_baseSlice.js","../node_modules/lodash-es/_baseFindIndex.js","../node_modules/lodash-es/_baseIsNaN.js","../node_modules/lodash-es/_strictIndexOf.js","../node_modules/lodash-es/_asciiToArray.js","../node_modules/lodash-es/_hasUnicode.js","../node_modules/lodash-es/_unicodeToArray.js","../node_modules/lodash-es/isUndefined.js","../node_modules/lodash-es/_overArg.js","../node_modules/lodash-es/_arrayFilter.js","../node_modules/lodash-es/_createBaseFor.js","../node_modules/lodash-es/_baseTimes.js","../node_modules/lodash-es/stubFalse.js","../node_modules/lodash-es/_isIndex.js","../node_modules/lodash-es/isLength.js","../node_modules/lodash-es/_baseUnary.js","../node_modules/lodash-es/_isPrototype.js","../node_modules/lodash-es/isObject.js","../node_modules/lodash-es/_listCacheClear.js","../node_modules/lodash-es/eq.js","../node_modules/lodash-es/_stackDelete.js","../node_modules/lodash-es/_stackGet.js","../node_modules/lodash-es/_stackHas.js","../node_modules/lodash-es/_toSource.js","../node_modules/lodash-es/_getValue.js","../node_modules/lodash-es/_hashDelete.js","../node_modules/lodash-es/_isKeyable.js","../node_modules/lodash-es/_setCacheAdd.js","../node_modules/lodash-es/_setCacheHas.js","../node_modules/lodash-es/_arraySome.js","../node_modules/lodash-es/_cacheHas.js","../node_modules/lodash-es/_mapToArray.js","../node_modules/lodash-es/_setToArray.js","../node_modules/lodash-es/_arrayPush.js","../node_modules/lodash-es/stubArray.js","../node_modules/lodash-es/_matchesStrictComparable.js","../node_modules/lodash-es/_baseHasIn.js","../node_modules/lodash-es/identity.js","../node_modules/lodash-es/_baseProperty.js","../node_modules/lodash-es/_copyArray.js","../node_modules/lodash-es/_safeGet.js","../node_modules/lodash-es/_nativeKeysIn.js","../node_modules/lodash-es/_apply.js","../node_modules/lodash-es/constant.js","../node_modules/lodash-es/_shortOut.js","../node_modules/lodash-es/negate.js","../node_modules/lodash-es/_baseFindKey.js","../node_modules/jsonql-params-validator/src/not-empty.js","../node_modules/jsonql-params-validator/src/number.js","../node_modules/jsonql-params-validator/src/string.js","../node_modules/jsonql-params-validator/src/boolean.js","../node_modules/jsonql-params-validator/src/any.js","../node_modules/jsonql-params-validator/src/constants.js","../node_modules/jsonql-params-validator/src/combine.js","../node_modules/jsonql-params-validator/src/array.js","../node_modules/jsonql-params-validator/src/object.js","../node_modules/jsonql-errors/src/500-error.js","../node_modules/jsonql-errors/src/resolver-not-found-error.js","../node_modules/jsonql-errors/src/enum-error.js","../node_modules/jsonql-errors/src/type-error.js","../node_modules/jsonql-errors/src/checker-error.js","../node_modules/jsonql-errors/src/validation-error.js","../node_modules/jsonql-errors/src/server-error.js","../node_modules/jsonql-errors/src/index.js","../node_modules/jsonql-errors/src/client-errors-handler.js","../node_modules/jsonql-params-validator/src/log.js","../node_modules/jsonql-params-validator/src/validator.js","../node_modules/jsonql-params-validator/src/is-in-array.js","../node_modules/jsonql-params-validator/src/options/run-validation.js","../node_modules/jsonql-params-validator/src/options/check-options-async.js","../node_modules/jsonql-params-validator/src/options/construct-config.js","../node_modules/jsonql-params-validator/src/options/index.js","../node_modules/jsonql-params-validator/index.js","../node_modules/store/plugins/defaults.js","../node_modules/store/plugins/expire.js","../src/stores/local-store.js","../src/stores/session-store.js","../src/stores/index.js","../src/utils.js","../node_modules/jwt-decode/lib/atob.js","../node_modules/jsonql-jwt/src/client/decode-token/decode-token.js","../src/base/http-cls.js","../src/base/contract-cls.js","../src/base/auth-cls.js","../src/base/base-cls.js","../src/base/index.js","../node_modules/jsonql-utils/src/generic.js","../src/core/methods-generator.js","../src/core/jsonql-api-generator.js","../src/options/base-options.js","../src/options/check-options-async.js","../src/options/index.js","../src/jsonql-async.js","../node_modules/nb-event-service/src/hash-code.js","../node_modules/nb-event-service/src/suspend.js","../node_modules/nb-event-service/src/store-service.js","../node_modules/nb-event-service/src/event-service.js","../node_modules/nb-event-service/index.js","../src/ee.js","../index.js","../full.js"],"sourcesContent":["/**\n * Checks if `value` is `null`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is `null`, else `false`.\n * @example\n *\n * _.isNull(null);\n * // => true\n *\n * _.isNull(void 0);\n * // => false\n */\nfunction isNull(value) {\n  return value === null;\n}\n\nexport default isNull;\n","export default (typeof global !== \"undefined\" ? global :\n            typeof self !== \"undefined\" ? self :\n            typeof window !== \"undefined\" ? window : {});\n","/**\n * A specialized version of `_.map` for arrays without support for iteratee\n * shorthands.\n *\n * @private\n * @param {Array} [array] The array to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {Array} Returns the new mapped array.\n */\nfunction arrayMap(array, iteratee) {\n  var index = -1,\n      length = array == null ? 0 : array.length,\n      result = Array(length);\n\n  while (++index < length) {\n    result[index] = iteratee(array[index], index, array);\n  }\n  return result;\n}\n\nexport default arrayMap;\n","/**\n * Checks if `value` is classified as an `Array` object.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an array, else `false`.\n * @example\n *\n * _.isArray([1, 2, 3]);\n * // => true\n *\n * _.isArray(document.body.children);\n * // => false\n *\n * _.isArray('abc');\n * // => false\n *\n * _.isArray(_.noop);\n * // => false\n */\nvar isArray = Array.isArray;\n\nexport default isArray;\n","/** Used for built-in method references. */\nvar objectProto = Object.prototype;\n\n/**\n * Used to resolve the\n * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)\n * of values.\n */\nvar nativeObjectToString = objectProto.toString;\n\n/**\n * Converts `value` to a string using `Object.prototype.toString`.\n *\n * @private\n * @param {*} value The value to convert.\n * @returns {string} Returns the converted string.\n */\nfunction objectToString(value) {\n  return nativeObjectToString.call(value);\n}\n\nexport default objectToString;\n","/**\n * Checks if `value` is object-like. A value is object-like if it's not `null`\n * and has a `typeof` result of \"object\".\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is object-like, else `false`.\n * @example\n *\n * _.isObjectLike({});\n * // => true\n *\n * _.isObjectLike([1, 2, 3]);\n * // => true\n *\n * _.isObjectLike(_.noop);\n * // => false\n *\n * _.isObjectLike(null);\n * // => false\n */\nfunction isObjectLike(value) {\n  return value != null && typeof value == 'object';\n}\n\nexport default isObjectLike;\n","/**\n * The base implementation of `_.slice` without an iteratee call guard.\n *\n * @private\n * @param {Array} array The array to slice.\n * @param {number} [start=0] The start position.\n * @param {number} [end=array.length] The end position.\n * @returns {Array} Returns the slice of `array`.\n */\nfunction baseSlice(array, start, end) {\n  var index = -1,\n      length = array.length;\n\n  if (start < 0) {\n    start = -start > length ? 0 : (length + start);\n  }\n  end = end > length ? length : end;\n  if (end < 0) {\n    end += length;\n  }\n  length = start > end ? 0 : ((end - start) >>> 0);\n  start >>>= 0;\n\n  var result = Array(length);\n  while (++index < length) {\n    result[index] = array[index + start];\n  }\n  return result;\n}\n\nexport default baseSlice;\n","/**\n * The base implementation of `_.findIndex` and `_.findLastIndex` without\n * support for iteratee shorthands.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {Function} predicate The function invoked per iteration.\n * @param {number} fromIndex The index to search from.\n * @param {boolean} [fromRight] Specify iterating from right to left.\n * @returns {number} Returns the index of the matched value, else `-1`.\n */\nfunction baseFindIndex(array, predicate, fromIndex, fromRight) {\n  var length = array.length,\n      index = fromIndex + (fromRight ? 1 : -1);\n\n  while ((fromRight ? index-- : ++index < length)) {\n    if (predicate(array[index], index, array)) {\n      return index;\n    }\n  }\n  return -1;\n}\n\nexport default baseFindIndex;\n","/**\n * The base implementation of `_.isNaN` without support for number objects.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.\n */\nfunction baseIsNaN(value) {\n  return value !== value;\n}\n\nexport default baseIsNaN;\n","/**\n * A specialized version of `_.indexOf` which performs strict equality\n * comparisons of values, i.e. `===`.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {*} value The value to search for.\n * @param {number} fromIndex The index to search from.\n * @returns {number} Returns the index of the matched value, else `-1`.\n */\nfunction strictIndexOf(array, value, fromIndex) {\n  var index = fromIndex - 1,\n      length = array.length;\n\n  while (++index < length) {\n    if (array[index] === value) {\n      return index;\n    }\n  }\n  return -1;\n}\n\nexport default strictIndexOf;\n","/**\n * Converts an ASCII `string` to an array.\n *\n * @private\n * @param {string} string The string to convert.\n * @returns {Array} Returns the converted array.\n */\nfunction asciiToArray(string) {\n  return string.split('');\n}\n\nexport default asciiToArray;\n","/** Used to compose unicode character classes. */\nvar rsAstralRange = '\\\\ud800-\\\\udfff',\n    rsComboMarksRange = '\\\\u0300-\\\\u036f',\n    reComboHalfMarksRange = '\\\\ufe20-\\\\ufe2f',\n    rsComboSymbolsRange = '\\\\u20d0-\\\\u20ff',\n    rsComboRange = rsComboMarksRange + reComboHalfMarksRange + rsComboSymbolsRange,\n    rsVarRange = '\\\\ufe0e\\\\ufe0f';\n\n/** Used to compose unicode capture groups. */\nvar rsZWJ = '\\\\u200d';\n\n/** Used to detect strings with [zero-width joiners or code points from the astral planes](http://eev.ee/blog/2015/09/12/dark-corners-of-unicode/). */\nvar reHasUnicode = RegExp('[' + rsZWJ + rsAstralRange  + rsComboRange + rsVarRange + ']');\n\n/**\n * Checks if `string` contains Unicode symbols.\n *\n * @private\n * @param {string} string The string to inspect.\n * @returns {boolean} Returns `true` if a symbol is found, else `false`.\n */\nfunction hasUnicode(string) {\n  return reHasUnicode.test(string);\n}\n\nexport default hasUnicode;\n","/** Used to compose unicode character classes. */\nvar rsAstralRange = '\\\\ud800-\\\\udfff',\n    rsComboMarksRange = '\\\\u0300-\\\\u036f',\n    reComboHalfMarksRange = '\\\\ufe20-\\\\ufe2f',\n    rsComboSymbolsRange = '\\\\u20d0-\\\\u20ff',\n    rsComboRange = rsComboMarksRange + reComboHalfMarksRange + rsComboSymbolsRange,\n    rsVarRange = '\\\\ufe0e\\\\ufe0f';\n\n/** Used to compose unicode capture groups. */\nvar rsAstral = '[' + rsAstralRange + ']',\n    rsCombo = '[' + rsComboRange + ']',\n    rsFitz = '\\\\ud83c[\\\\udffb-\\\\udfff]',\n    rsModifier = '(?:' + rsCombo + '|' + rsFitz + ')',\n    rsNonAstral = '[^' + rsAstralRange + ']',\n    rsRegional = '(?:\\\\ud83c[\\\\udde6-\\\\uddff]){2}',\n    rsSurrPair = '[\\\\ud800-\\\\udbff][\\\\udc00-\\\\udfff]',\n    rsZWJ = '\\\\u200d';\n\n/** Used to compose unicode regexes. */\nvar reOptMod = rsModifier + '?',\n    rsOptVar = '[' + rsVarRange + ']?',\n    rsOptJoin = '(?:' + rsZWJ + '(?:' + [rsNonAstral, rsRegional, rsSurrPair].join('|') + ')' + rsOptVar + reOptMod + ')*',\n    rsSeq = rsOptVar + reOptMod + rsOptJoin,\n    rsSymbol = '(?:' + [rsNonAstral + rsCombo + '?', rsCombo, rsRegional, rsSurrPair, rsAstral].join('|') + ')';\n\n/** Used to match [string symbols](https://mathiasbynens.be/notes/javascript-unicode). */\nvar reUnicode = RegExp(rsFitz + '(?=' + rsFitz + ')|' + rsSymbol + rsSeq, 'g');\n\n/**\n * Converts a Unicode `string` to an array.\n *\n * @private\n * @param {string} string The string to convert.\n * @returns {Array} Returns the converted array.\n */\nfunction unicodeToArray(string) {\n  return string.match(reUnicode) || [];\n}\n\nexport default unicodeToArray;\n","/**\n * Checks if `value` is `undefined`.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is `undefined`, else `false`.\n * @example\n *\n * _.isUndefined(void 0);\n * // => true\n *\n * _.isUndefined(null);\n * // => false\n */\nfunction isUndefined(value) {\n  return value === undefined;\n}\n\nexport default isUndefined;\n","/**\n * Creates a unary function that invokes `func` with its argument transformed.\n *\n * @private\n * @param {Function} func The function to wrap.\n * @param {Function} transform The argument transform.\n * @returns {Function} Returns the new function.\n */\nfunction overArg(func, transform) {\n  return function(arg) {\n    return func(transform(arg));\n  };\n}\n\nexport default overArg;\n","/**\n * A specialized version of `_.filter` for arrays without support for\n * iteratee shorthands.\n *\n * @private\n * @param {Array} [array] The array to iterate over.\n * @param {Function} predicate The function invoked per iteration.\n * @returns {Array} Returns the new filtered array.\n */\nfunction arrayFilter(array, predicate) {\n  var index = -1,\n      length = array == null ? 0 : array.length,\n      resIndex = 0,\n      result = [];\n\n  while (++index < length) {\n    var value = array[index];\n    if (predicate(value, index, array)) {\n      result[resIndex++] = value;\n    }\n  }\n  return result;\n}\n\nexport default arrayFilter;\n","/**\n * Creates a base function for methods like `_.forIn` and `_.forOwn`.\n *\n * @private\n * @param {boolean} [fromRight] Specify iterating from right to left.\n * @returns {Function} Returns the new base function.\n */\nfunction createBaseFor(fromRight) {\n  return function(object, iteratee, keysFunc) {\n    var index = -1,\n        iterable = Object(object),\n        props = keysFunc(object),\n        length = props.length;\n\n    while (length--) {\n      var key = props[fromRight ? length : ++index];\n      if (iteratee(iterable[key], key, iterable) === false) {\n        break;\n      }\n    }\n    return object;\n  };\n}\n\nexport default createBaseFor;\n","/**\n * The base implementation of `_.times` without support for iteratee shorthands\n * or max array length checks.\n *\n * @private\n * @param {number} n The number of times to invoke `iteratee`.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {Array} Returns the array of results.\n */\nfunction baseTimes(n, iteratee) {\n  var index = -1,\n      result = Array(n);\n\n  while (++index < n) {\n    result[index] = iteratee(index);\n  }\n  return result;\n}\n\nexport default baseTimes;\n","/**\n * This method returns `false`.\n *\n * @static\n * @memberOf _\n * @since 4.13.0\n * @category Util\n * @returns {boolean} Returns `false`.\n * @example\n *\n * _.times(2, _.stubFalse);\n * // => [false, false]\n */\nfunction stubFalse() {\n  return false;\n}\n\nexport default stubFalse;\n","/** Used as references for various `Number` constants. */\nvar MAX_SAFE_INTEGER = 9007199254740991;\n\n/** Used to detect unsigned integer values. */\nvar reIsUint = /^(?:0|[1-9]\\d*)$/;\n\n/**\n * Checks if `value` is a valid array-like index.\n *\n * @private\n * @param {*} value The value to check.\n * @param {number} [length=MAX_SAFE_INTEGER] The upper bounds of a valid index.\n * @returns {boolean} Returns `true` if `value` is a valid index, else `false`.\n */\nfunction isIndex(value, length) {\n  var type = typeof value;\n  length = length == null ? MAX_SAFE_INTEGER : length;\n\n  return !!length &&\n    (type == 'number' ||\n      (type != 'symbol' && reIsUint.test(value))) &&\n        (value > -1 && value % 1 == 0 && value < length);\n}\n\nexport default isIndex;\n","/** Used as references for various `Number` constants. */\nvar MAX_SAFE_INTEGER = 9007199254740991;\n\n/**\n * Checks if `value` is a valid array-like length.\n *\n * **Note:** This method is loosely based on\n * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a valid length, else `false`.\n * @example\n *\n * _.isLength(3);\n * // => true\n *\n * _.isLength(Number.MIN_VALUE);\n * // => false\n *\n * _.isLength(Infinity);\n * // => false\n *\n * _.isLength('3');\n * // => false\n */\nfunction isLength(value) {\n  return typeof value == 'number' &&\n    value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER;\n}\n\nexport default isLength;\n","/**\n * The base implementation of `_.unary` without support for storing metadata.\n *\n * @private\n * @param {Function} func The function to cap arguments for.\n * @returns {Function} Returns the new capped function.\n */\nfunction baseUnary(func) {\n  return function(value) {\n    return func(value);\n  };\n}\n\nexport default baseUnary;\n","/** Used for built-in method references. */\nvar objectProto = Object.prototype;\n\n/**\n * Checks if `value` is likely a prototype object.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a prototype, else `false`.\n */\nfunction isPrototype(value) {\n  var Ctor = value && value.constructor,\n      proto = (typeof Ctor == 'function' && Ctor.prototype) || objectProto;\n\n  return value === proto;\n}\n\nexport default isPrototype;\n","/**\n * Checks if `value` is the\n * [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types)\n * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an object, else `false`.\n * @example\n *\n * _.isObject({});\n * // => true\n *\n * _.isObject([1, 2, 3]);\n * // => true\n *\n * _.isObject(_.noop);\n * // => true\n *\n * _.isObject(null);\n * // => false\n */\nfunction isObject(value) {\n  var type = typeof value;\n  return value != null && (type == 'object' || type == 'function');\n}\n\nexport default isObject;\n","/**\n * Removes all key-value entries from the list cache.\n *\n * @private\n * @name clear\n * @memberOf ListCache\n */\nfunction listCacheClear() {\n  this.__data__ = [];\n  this.size = 0;\n}\n\nexport default listCacheClear;\n","/**\n * Performs a\n * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n * comparison between two values to determine if they are equivalent.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n * @example\n *\n * var object = { 'a': 1 };\n * var other = { 'a': 1 };\n *\n * _.eq(object, object);\n * // => true\n *\n * _.eq(object, other);\n * // => false\n *\n * _.eq('a', 'a');\n * // => true\n *\n * _.eq('a', Object('a'));\n * // => false\n *\n * _.eq(NaN, NaN);\n * // => true\n */\nfunction eq(value, other) {\n  return value === other || (value !== value && other !== other);\n}\n\nexport default eq;\n","/**\n * Removes `key` and its value from the stack.\n *\n * @private\n * @name delete\n * @memberOf Stack\n * @param {string} key The key of the value to remove.\n * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n */\nfunction stackDelete(key) {\n  var data = this.__data__,\n      result = data['delete'](key);\n\n  this.size = data.size;\n  return result;\n}\n\nexport default stackDelete;\n","/**\n * Gets the stack value for `key`.\n *\n * @private\n * @name get\n * @memberOf Stack\n * @param {string} key The key of the value to get.\n * @returns {*} Returns the entry value.\n */\nfunction stackGet(key) {\n  return this.__data__.get(key);\n}\n\nexport default stackGet;\n","/**\n * Checks if a stack value for `key` exists.\n *\n * @private\n * @name has\n * @memberOf Stack\n * @param {string} key The key of the entry to check.\n * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n */\nfunction stackHas(key) {\n  return this.__data__.has(key);\n}\n\nexport default stackHas;\n","/** Used for built-in method references. */\nvar funcProto = Function.prototype;\n\n/** Used to resolve the decompiled source of functions. */\nvar funcToString = funcProto.toString;\n\n/**\n * Converts `func` to its source code.\n *\n * @private\n * @param {Function} func The function to convert.\n * @returns {string} Returns the source code.\n */\nfunction toSource(func) {\n  if (func != null) {\n    try {\n      return funcToString.call(func);\n    } catch (e) {}\n    try {\n      return (func + '');\n    } catch (e) {}\n  }\n  return '';\n}\n\nexport default toSource;\n","/**\n * Gets the value at `key` of `object`.\n *\n * @private\n * @param {Object} [object] The object to query.\n * @param {string} key The key of the property to get.\n * @returns {*} Returns the property value.\n */\nfunction getValue(object, key) {\n  return object == null ? undefined : object[key];\n}\n\nexport default getValue;\n","/**\n * Removes `key` and its value from the hash.\n *\n * @private\n * @name delete\n * @memberOf Hash\n * @param {Object} hash The hash to modify.\n * @param {string} key The key of the value to remove.\n * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n */\nfunction hashDelete(key) {\n  var result = this.has(key) && delete this.__data__[key];\n  this.size -= result ? 1 : 0;\n  return result;\n}\n\nexport default hashDelete;\n","/**\n * Checks if `value` is suitable for use as unique object key.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is suitable, else `false`.\n */\nfunction isKeyable(value) {\n  var type = typeof value;\n  return (type == 'string' || type == 'number' || type == 'symbol' || type == 'boolean')\n    ? (value !== '__proto__')\n    : (value === null);\n}\n\nexport default isKeyable;\n","/** Used to stand-in for `undefined` hash values. */\nvar HASH_UNDEFINED = '__lodash_hash_undefined__';\n\n/**\n * Adds `value` to the array cache.\n *\n * @private\n * @name add\n * @memberOf SetCache\n * @alias push\n * @param {*} value The value to cache.\n * @returns {Object} Returns the cache instance.\n */\nfunction setCacheAdd(value) {\n  this.__data__.set(value, HASH_UNDEFINED);\n  return this;\n}\n\nexport default setCacheAdd;\n","/**\n * Checks if `value` is in the array cache.\n *\n * @private\n * @name has\n * @memberOf SetCache\n * @param {*} value The value to search for.\n * @returns {number} Returns `true` if `value` is found, else `false`.\n */\nfunction setCacheHas(value) {\n  return this.__data__.has(value);\n}\n\nexport default setCacheHas;\n","/**\n * A specialized version of `_.some` for arrays without support for iteratee\n * shorthands.\n *\n * @private\n * @param {Array} [array] The array to iterate over.\n * @param {Function} predicate The function invoked per iteration.\n * @returns {boolean} Returns `true` if any element passes the predicate check,\n *  else `false`.\n */\nfunction arraySome(array, predicate) {\n  var index = -1,\n      length = array == null ? 0 : array.length;\n\n  while (++index < length) {\n    if (predicate(array[index], index, array)) {\n      return true;\n    }\n  }\n  return false;\n}\n\nexport default arraySome;\n","/**\n * Checks if a `cache` value for `key` exists.\n *\n * @private\n * @param {Object} cache The cache to query.\n * @param {string} key The key of the entry to check.\n * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n */\nfunction cacheHas(cache, key) {\n  return cache.has(key);\n}\n\nexport default cacheHas;\n","/**\n * Converts `map` to its key-value pairs.\n *\n * @private\n * @param {Object} map The map to convert.\n * @returns {Array} Returns the key-value pairs.\n */\nfunction mapToArray(map) {\n  var index = -1,\n      result = Array(map.size);\n\n  map.forEach(function(value, key) {\n    result[++index] = [key, value];\n  });\n  return result;\n}\n\nexport default mapToArray;\n","/**\n * Converts `set` to an array of its values.\n *\n * @private\n * @param {Object} set The set to convert.\n * @returns {Array} Returns the values.\n */\nfunction setToArray(set) {\n  var index = -1,\n      result = Array(set.size);\n\n  set.forEach(function(value) {\n    result[++index] = value;\n  });\n  return result;\n}\n\nexport default setToArray;\n","/**\n * Appends the elements of `values` to `array`.\n *\n * @private\n * @param {Array} array The array to modify.\n * @param {Array} values The values to append.\n * @returns {Array} Returns `array`.\n */\nfunction arrayPush(array, values) {\n  var index = -1,\n      length = values.length,\n      offset = array.length;\n\n  while (++index < length) {\n    array[offset + index] = values[index];\n  }\n  return array;\n}\n\nexport default arrayPush;\n","/**\n * This method returns a new empty array.\n *\n * @static\n * @memberOf _\n * @since 4.13.0\n * @category Util\n * @returns {Array} Returns the new empty array.\n * @example\n *\n * var arrays = _.times(2, _.stubArray);\n *\n * console.log(arrays);\n * // => [[], []]\n *\n * console.log(arrays[0] === arrays[1]);\n * // => false\n */\nfunction stubArray() {\n  return [];\n}\n\nexport default stubArray;\n","/**\n * A specialized version of `matchesProperty` for source values suitable\n * for strict equality comparisons, i.e. `===`.\n *\n * @private\n * @param {string} key The key of the property to get.\n * @param {*} srcValue The value to match.\n * @returns {Function} Returns the new spec function.\n */\nfunction matchesStrictComparable(key, srcValue) {\n  return function(object) {\n    if (object == null) {\n      return false;\n    }\n    return object[key] === srcValue &&\n      (srcValue !== undefined || (key in Object(object)));\n  };\n}\n\nexport default matchesStrictComparable;\n","/**\n * The base implementation of `_.hasIn` without support for deep paths.\n *\n * @private\n * @param {Object} [object] The object to query.\n * @param {Array|string} key The key to check.\n * @returns {boolean} Returns `true` if `key` exists, else `false`.\n */\nfunction baseHasIn(object, key) {\n  return object != null && key in Object(object);\n}\n\nexport default baseHasIn;\n","/**\n * This method returns the first argument it receives.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Util\n * @param {*} value Any value.\n * @returns {*} Returns `value`.\n * @example\n *\n * var object = { 'a': 1 };\n *\n * console.log(_.identity(object) === object);\n * // => true\n */\nfunction identity(value) {\n  return value;\n}\n\nexport default identity;\n","/**\n * The base implementation of `_.property` without support for deep paths.\n *\n * @private\n * @param {string} key The key of the property to get.\n * @returns {Function} Returns the new accessor function.\n */\nfunction baseProperty(key) {\n  return function(object) {\n    return object == null ? undefined : object[key];\n  };\n}\n\nexport default baseProperty;\n","/**\n * Copies the values of `source` to `array`.\n *\n * @private\n * @param {Array} source The array to copy values from.\n * @param {Array} [array=[]] The array to copy values to.\n * @returns {Array} Returns `array`.\n */\nfunction copyArray(source, array) {\n  var index = -1,\n      length = source.length;\n\n  array || (array = Array(length));\n  while (++index < length) {\n    array[index] = source[index];\n  }\n  return array;\n}\n\nexport default copyArray;\n","/**\n * Gets the value at `key`, unless `key` is \"__proto__\" or \"constructor\".\n *\n * @private\n * @param {Object} object The object to query.\n * @param {string} key The key of the property to get.\n * @returns {*} Returns the property value.\n */\nfunction safeGet(object, key) {\n  if (key === 'constructor' && typeof object[key] === 'function') {\n    return;\n  }\n\n  if (key == '__proto__') {\n    return;\n  }\n\n  return object[key];\n}\n\nexport default safeGet;\n","/**\n * This function is like\n * [`Object.keys`](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)\n * except that it includes inherited enumerable properties.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property names.\n */\nfunction nativeKeysIn(object) {\n  var result = [];\n  if (object != null) {\n    for (var key in Object(object)) {\n      result.push(key);\n    }\n  }\n  return result;\n}\n\nexport default nativeKeysIn;\n","/**\n * A faster alternative to `Function#apply`, this function invokes `func`\n * with the `this` binding of `thisArg` and the arguments of `args`.\n *\n * @private\n * @param {Function} func The function to invoke.\n * @param {*} thisArg The `this` binding of `func`.\n * @param {Array} args The arguments to invoke `func` with.\n * @returns {*} Returns the result of `func`.\n */\nfunction apply(func, thisArg, args) {\n  switch (args.length) {\n    case 0: return func.call(thisArg);\n    case 1: return func.call(thisArg, args[0]);\n    case 2: return func.call(thisArg, args[0], args[1]);\n    case 3: return func.call(thisArg, args[0], args[1], args[2]);\n  }\n  return func.apply(thisArg, args);\n}\n\nexport default apply;\n","/**\n * Creates a function that returns `value`.\n *\n * @static\n * @memberOf _\n * @since 2.4.0\n * @category Util\n * @param {*} value The value to return from the new function.\n * @returns {Function} Returns the new constant function.\n * @example\n *\n * var objects = _.times(2, _.constant({ 'a': 1 }));\n *\n * console.log(objects);\n * // => [{ 'a': 1 }, { 'a': 1 }]\n *\n * console.log(objects[0] === objects[1]);\n * // => true\n */\nfunction constant(value) {\n  return function() {\n    return value;\n  };\n}\n\nexport default constant;\n","/** Used to detect hot functions by number of calls within a span of milliseconds. */\nvar HOT_COUNT = 800,\n    HOT_SPAN = 16;\n\n/* Built-in method references for those with the same name as other `lodash` methods. */\nvar nativeNow = Date.now;\n\n/**\n * Creates a function that'll short out and invoke `identity` instead\n * of `func` when it's called `HOT_COUNT` or more times in `HOT_SPAN`\n * milliseconds.\n *\n * @private\n * @param {Function} func The function to restrict.\n * @returns {Function} Returns the new shortable function.\n */\nfunction shortOut(func) {\n  var count = 0,\n      lastCalled = 0;\n\n  return function() {\n    var stamp = nativeNow(),\n        remaining = HOT_SPAN - (stamp - lastCalled);\n\n    lastCalled = stamp;\n    if (remaining > 0) {\n      if (++count >= HOT_COUNT) {\n        return arguments[0];\n      }\n    } else {\n      count = 0;\n    }\n    return func.apply(undefined, arguments);\n  };\n}\n\nexport default shortOut;\n","/** Error message constants. */\nvar FUNC_ERROR_TEXT = 'Expected a function';\n\n/**\n * Creates a function that negates the result of the predicate `func`. The\n * `func` predicate is invoked with the `this` binding and arguments of the\n * created function.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Function\n * @param {Function} predicate The predicate to negate.\n * @returns {Function} Returns the new negated function.\n * @example\n *\n * function isEven(n) {\n *   return n % 2 == 0;\n * }\n *\n * _.filter([1, 2, 3, 4, 5, 6], _.negate(isEven));\n * // => [1, 3, 5]\n */\nfunction negate(predicate) {\n  if (typeof predicate != 'function') {\n    throw new TypeError(FUNC_ERROR_TEXT);\n  }\n  return function() {\n    var args = arguments;\n    switch (args.length) {\n      case 0: return !predicate.call(this);\n      case 1: return !predicate.call(this, args[0]);\n      case 2: return !predicate.call(this, args[0], args[1]);\n      case 3: return !predicate.call(this, args[0], args[1], args[2]);\n    }\n    return !predicate.apply(this, args);\n  };\n}\n\nexport default negate;\n","/**\n * The base implementation of methods like `_.findKey` and `_.findLastKey`,\n * without support for iteratee shorthands, which iterates over `collection`\n * using `eachFunc`.\n *\n * @private\n * @param {Array|Object} collection The collection to inspect.\n * @param {Function} predicate The function invoked per iteration.\n * @param {Function} eachFunc The function to iterate over `collection`.\n * @returns {*} Returns the found element or its key, else `undefined`.\n */\nfunction baseFindKey(collection, predicate, eachFunc) {\n  var result;\n  eachFunc(collection, function(value, key, collection) {\n    if (predicate(value, key, collection)) {\n      result = key;\n      return false;\n    }\n  });\n  return result;\n}\n\nexport default baseFindKey;\n","/**\n * Check several parameter that there is something in the param\n * @param {*} param input\n * @return {boolean}\n */\nimport { trim, isArray } from './lodash'\n\nexport default a => {\n  if (isArray(a)) {\n    return true;\n  }\n  return a !== undefined && a !== null && trim(a) !== '';\n}\n","// validator numbers\n// import { NUMBER_TYPES } from './constants';\nimport { isNaN, isString } from './lodash'\n/**\n * @2015-05-04 found a problem if the value is a number like string\n * it will pass, so add a check if it's string before we pass to next\n * @param {number} value expected value\n * @return {boolean} true if OK\n */\nconst checkIsNumber = function(value) {\n  return isString(value) ? false : !isNaN( parseFloat(value) )\n}\n\nexport default checkIsNumber\n","// validate string type\nimport { isString, trim } from './lodash'\n/**\n * @param {string} value expected value\n * @return {boolean} true if OK\n */\nconst checkIsString = function(value) {\n  return (trim(value) !== '') ? isString(value) : false;\n}\n\nexport default checkIsString;\n","// check for boolean\nimport { isBoolean } from './lodash'\n/**\n * @param {boolean} value expected\n * @return {boolean} true if OK\n */\nconst checkIsBoolean = function(value) {\n  return isBoolean(value);\n};\n\nexport default checkIsBoolean\n","// validate any thing only check if there is something\n\nimport { isNull, trim, isUndefined } from './lodash'\n/**\n * @param {*} value the value\n * @param {boolean} [checkNull=true] strict check if there is null value\n * @return {boolean} true is OK\n */\nconst checkIsAny = function(value, checkNull = true) {\n  if (!isUndefined(value) && value !== '' && trim(value) !== '') {\n    if (checkNull === false || (checkNull === true && !isNull(value))) {\n      return true;\n    }\n  }\n  return false;\n};\n\nexport default checkIsAny\n","// Good practice rule - No magic number\n\nexport const ARGS_NOT_ARRAY_ERR = `args is not an array! You might want to do: ES6 Array.from(arguments) or ES5 Array.prototype.slice.call(arguments)`;\nexport const PARAMS_NOT_ARRAY_ERR = `params is not an array! Did something gone wrong when you generate the contract.json?`;\nexport const EXCEPTION_CASE_ERR = 'Could not understand your arguments and parameter structure!';\nexport const UNUSUAL_CASE_ERR = 'This is an unusual situation where the arguments are more than the params, but not mark as spread';\n\n// re-export\nimport * as JSONQL_CONSTANTS from 'jsonql-constants';\n// @TODO the jsdoc return array.<type> and we should also allow array<type> syntax\nexport const DEFAULT_TYPE = JSONQL_CONSTANTS.DEFAULT_TYPE;\nexport const ARRAY_TYPE_LFT = JSONQL_CONSTANTS.ARRAY_TYPE_LFT;\nexport const ARRAY_TYPE_RGT = JSONQL_CONSTANTS.ARRAY_TYPE_RGT;\n\nexport const TYPE_KEY = JSONQL_CONSTANTS.TYPE_KEY;\nexport const OPTIONAL_KEY = JSONQL_CONSTANTS.OPTIONAL_KEY;\nexport const ENUM_KEY = JSONQL_CONSTANTS.ENUM_KEY;\nexport const ARGS_KEY = JSONQL_CONSTANTS.ARGS_KEY;\nexport const CHECKER_KEY = JSONQL_CONSTANTS.CHECKER_KEY;\nexport const ALIAS_KEY = JSONQL_CONSTANTS.ALIAS_KEY;\n\nexport const ARRAY_TYPE = JSONQL_CONSTANTS.ARRAY_TYPE;\nexport const OBJECT_TYPE = JSONQL_CONSTANTS.OBJECT_TYPE;\nexport const STRING_TYPE = JSONQL_CONSTANTS.STRING_TYPE;\nexport const BOOLEAN_TYPE = JSONQL_CONSTANTS.BOOLEAN_TYPE;\nexport const NUMBER_TYPE = JSONQL_CONSTANTS.NUMBER_TYPE;\nexport const KEY_WORD = JSONQL_CONSTANTS.KEY_WORD;\nexport const OR_SEPERATOR = JSONQL_CONSTANTS.OR_SEPERATOR;\n\n// not actually in use\n// export const NUMBER_TYPES = JSONQL_CONSTANTS.NUMBER_TYPES;\n","// primitive types\nimport checkIsNumber from './number'\nimport checkIsString from './string'\nimport checkIsBoolean from './boolean'\nimport checkIsAny from './any'\nimport { NUMBER_TYPE, STRING_TYPE, BOOLEAN_TYPE } from './constants'\n\n/**\n * this is a wrapper method to call different one based on their type\n * @param {string} type to check\n * @return {function} a function to handle the type\n */\nconst combineFn = function(type) {\n  switch (type) {\n    case NUMBER_TYPE:\n      return checkIsNumber;\n    case STRING_TYPE:\n      return checkIsString;\n    case BOOLEAN_TYPE:\n      return checkIsBoolean;\n    default:\n      return checkIsAny;\n  }\n}\n\nexport default combineFn\n","// validate array type\nimport { isArray, trim } from './lodash'\nimport combineFn from './combine'\nimport {\n  ARRAY_TYPE_LFT,\n  ARRAY_TYPE_RGT,\n  OR_SEPERATOR\n} from './constants'\n\n/**\n * @param {array} value expected\n * @param {string} [type=''] pass the type if we encounter array.<T> then we need to check the value as well\n * @return {boolean} true if OK\n */\nexport const checkIsArray = function(value, type='') {\n  if (isArray(value)) {\n    if (type === '' || trim(type)==='') {\n      return true;\n    }\n    // we test it in reverse\n    // @TODO if the type is an array (OR) then what?\n    // we need to take into account this could be an array\n    const c = value.filter(v => !combineFn(type)(v))\n    return !(c.length > 0)\n  }\n  return false;\n}\n\n/**\n * check if it matches the array.<T> pattern\n * @param {string} type\n * @return {boolean|array} false means NO, always return array\n */\nexport const isArrayLike = function(type) {\n  // @TODO could that have something like array<> instead of array.<>? missing the dot?\n  // because type script is Array<T> without the dot\n  if (type.indexOf(ARRAY_TYPE_LFT) > -1 && type.indexOf(ARRAY_TYPE_RGT) > -1) {\n    const _type = type.replace(ARRAY_TYPE_LFT, '').replace(ARRAY_TYPE_RGT, '')\n    if (_type.indexOf(OR_SEPERATOR)) {\n      return _type.split(OR_SEPERATOR)\n    }\n    return [_type]\n  }\n  return false;\n}\n\n/**\n * we might encounter something like array.<T> then we need to take it apart\n * @param {object} p the prepared object for processing\n * @param {string|array} type the type came from <T>\n * @return {boolean} for the filter to operate on\n */\nexport const arrayTypeHandler = function(p, type) {\n  const { arg } = p;\n  // need a special case to handle the OR type\n  // we need to test the args instead of the type(s)\n  if (type.length > 1) {\n    return !arg.filter(v => (\n      !(type.length > type.filter(t => !combineFn(t)(v)).length)\n    )).length;\n  }\n  // type is array so this will be or!\n  return type.length > type.filter(t => !checkIsArray(arg, t)).length;\n}\n","// validate object type\nimport { isPlainObject, isUndefined, filter } from './lodash'\nimport combineFn from './combine'\nimport { checkIsArray, isArrayLike, arrayTypeHandler } from './array'\n/**\n * @TODO if provide with the keys then we need to check if the key:value type as well\n * @param {object} value expected\n * @param {array} [keys=null] if it has the keys array to compare as well\n * @return {boolean} true if OK\n */\nexport const checkIsObject = function(value, keys=null) {\n  if (isPlainObject(value)) {\n    if (!keys) {\n      return true;\n    }\n    if (checkIsArray(keys)) {\n      // please note we DON'T care if some is optional\n      // plese refer to the contract.json for the keys\n      return !keys.filter(key => {\n        let _value = value[key.name];\n        return !(key.type.length > key.type.filter(type => {\n          let tmp;\n          if (!isUndefined(_value)) {\n            if ((tmp = isArrayLike(type)) !== false) {\n              return !arrayTypeHandler({arg: _value}, tmp)\n              // return tmp.filter(t => !checkIsArray(_value, t)).length;\n              // @TODO there might be an object within an object with keys as well :S\n            }\n            return !combineFn(type)(_value)\n          }\n          return true;\n        }).length)\n      }).length;\n    }\n  }\n  return false;\n}\n\n/**\n * fold this into it's own function to handler different object type\n * @param {object} p the prepared object for process\n * @return {boolean}\n */\nexport const objectTypeHandler = function(p) {\n  const { arg, param } = p;\n  let _args = [arg];\n  if (Array.isArray(param.keys) && param.keys.length) {\n    _args.push(param.keys)\n  }\n  // just simple check\n  return checkIsObject.apply(null, _args)\n}\n","/**\n * This is a custom error to throw when server throw a 500\n * This help us to capture the right error, due to the call happens in sequence\n * @param {string} message to tell what happen\n * @param {mixed} extra things we want to add, 500?\n */\nexport default class Jsonql500Error extends Error {\n  constructor(...args) {\n    super(...args);\n\n    this.message = args[0];\n    this.detail = args[1];\n\n    this.className = Jsonql500Error.name;\n\n    if (Error.captureStackTrace) {\n      Error.captureStackTrace(this, Jsonql500Error);\n    }\n  }\n\n  static get statusCode() {\n    return 500;\n  }\n\n  static get name() {\n    return 'Jsonql500Error';\n  }\n\n}\n","/**\n * This is a custom error to throw when could not find the resolver\n * This help us to capture the right error, due to the call happens in sequence\n * @param {string} message to tell what happen\n * @param {mixed} extra things we want to add, 500?\n */\nexport default class JsonqlResolverNotFoundError extends Error {\n  constructor(...args) {\n    super(...args);\n\n    this.message = args[0];\n    this.detail = args[1];\n\n    this.className = JsonqlResolverNotFoundError.name;\n\n    if (Error.captureStackTrace) {\n      Error.captureStackTrace(this, JsonqlResolverNotFoundError);\n    }\n  }\n\n  static get statusCode() {\n    return 404;\n  }\n\n  static get name() {\n    return 'JsonqlResolverNotFoundError';\n  }\n}\n","// this get throw from within the checkOptions when run through the enum failed\nexport default class JsonqlEnumError extends Error {\n  constructor(...args) {\n    super(...args);\n    \n    this.message = args[0];\n    this.detail = args[1];\n\n    this.className = JsonqlEnumError.name;\n\n    if (Error.captureStackTrace) {\n      Error.captureStackTrace(this, JsonqlEnumError);\n    }\n  }\n\n  static get name() {\n    return 'JsonqlEnumError';\n  }\n}\n","// this will throw from inside the checkOptions\nexport default class JsonqlTypeError extends Error {\n  constructor(...args) {\n    super(...args);\n\n    this.message = args[0];\n    this.detail = args[1];\n\n    this.className = JsonqlTypeError.name;\n\n    if (Error.captureStackTrace) {\n      Error.captureStackTrace(this, JsonqlTypeError);\n    }\n  }\n\n  static get name() {\n    return 'JsonqlTypeError';\n  }\n}\n","// allow supply a custom checker function\n// if that failed then we throw this error\nexport default class JsonqlCheckerError extends Error {\n  constructor(...args) {\n    super(...args);\n    this.message = args[0];\n    this.detail = args[1];\n\n    this.className = JsonqlCheckerError.name;\n\n    if (Error.captureStackTrace) {\n      Error.captureStackTrace(this, JsonqlCheckerError);\n    }\n  }\n\n  static get name() {\n    return 'JsonqlCheckerError';\n  }\n}\n","// custom validation error class\n// when validaton failed\nexport default class JsonqlValidationError extends Error {\n  constructor(...args) {\n    super(...args);\n\n    this.message = args[0];\n    this.detail = args[1];\n\n    this.className = JsonqlValidationError.name;\n\n    if (Error.captureStackTrace) {\n      Error.captureStackTrace(this, JsonqlValidationError);\n    }\n  }\n\n  static get name() {\n    return 'JsonqlValidationError';\n  }\n}\n","// this is from an example from Koa team to use for internal middleware ctx.throw\n// but after the test the res.body part is unable to extract the required data\n// I keep this one here for future reference\n\nexport default class JsonqlServerError extends Error {\n\n  constructor(statusCode, message) {\n    super(message);\n    this.statusCode = statusCode;\n    this.className = JsonqlServerError.name;\n  }\n\n  static get name() {\n    return 'JsonqlServerError';\n  }\n}\n","// server side\nimport Jsonql406Error from './406-error';\nimport Jsonql500Error from './500-error';\nimport JsonqlAuthorisationError from './authorisation-error';\nimport JsonqlContractAuthError from './contract-auth-error';\nimport JsonqlResolverAppError from './resolver-app-error';\nimport JsonqlResolverNotFoundError from './resolver-not-found-error';\n\n// check options error\nimport JsonqlEnumError from './enum-error';\nimport JsonqlTypeError from './type-error';\nimport JsonqlCheckerError from './checker-error';\n// share\nimport JsonqlValidationError from './validation-error';\nimport JsonqlError from './error';\n\nimport JsonqlServerError from './server-error';\n\nexport {\n  Jsonql406Error,\n  Jsonql500Error,\n  JsonqlAuthorisationError,\n  JsonqlContractAuthError,\n  JsonqlResolverAppError,\n  JsonqlResolverNotFoundError,\n\n  JsonqlEnumError,\n  JsonqlTypeError,\n  JsonqlCheckerError,\n\n  JsonqlValidationError,\n  JsonqlError,\n\n  JsonqlServerError\n};\n","// this will add directly to the then call in each http call\n\nimport * as errors from './index';\nimport getErrorByStatus from './get-error-by-status';\nimport { NO_ERROR_MSG } from 'jsonql-constants';\nconst { JsonqlError } = errors;\n\n/**\n * We can not just check something like result.data what if the result if false?\n * @param {object} obj the result object\n * @param {string} key we want to check if its exist or not\n * @return {boolean} true on found\n */\nconst isObjectHasKey = (obj, key) => {\n  const keys = Object.keys(obj)\n  return !!keys.filter(k => key === k).length;\n}\n\n/**\n * It will ONLY have our own jsonql specific implement check\n * @param {object} result the server return result\n * @return {object} this will just throw error\n */\nexport default function clientErrorsHandler(result) {\n  if (isObjectHasKey(result, 'error')) {\n    const { error } = result;\n    const { className, name } = error;\n    const errorName = className || name;\n    // just throw the whole thing back\n    const msg = error.message || NO_ERROR_MSG;\n    const detail = error.detail || error;\n    if (errorName && errors[errorName]) {\n      throw new errors[className](msg, detail)\n    }\n    throw new JsonqlError(msg, detail)\n  }\n  // pass through to the next\n  return result;\n}\n","/**\n * just a simple util for helping to debug\n * @param {array} args arguments\n * @return {void}\n */\nexport default function log(...args) {\n  try {\n    if (window && window.console) {\n      Reflect.apply(console.log, console, args)\n    }\n  } catch(e) {}\n}\n","// move the index.js code here that make more sense to find where things are\nimport { isUndefined } from './lodash'\nimport {\n  checkIsArray,\n  isArrayLike,\n  arrayTypeHandler,\n  objectTypeHandler,\n  checkIsObject,\n  combineFn,\n  notEmpty\n} from './index'\nimport {\n  DEFAULT_TYPE,\n  ARRAY_TYPE,\n  OBJECT_TYPE,\n  ARGS_NOT_ARRAY_ERR,\n  PARAMS_NOT_ARRAY_ERR,\n  EXCEPTION_CASE_ERR,\n  UNUSUAL_CASE_ERR\n} from './constants'\nimport { DATA_KEY, ERROR_KEY } from 'jsonql-constants'\nimport { JsonqlError }  from 'jsonql-errors'\nimport log from './log'\n// import debug from 'debug'\n// const debugFn = debug('jsonql-params-validator:validator')\n// also export this for use in other places\n\n/**\n * We need to handle those optional parameter without a default value\n * @param {object} params from contract.json\n * @return {boolean} for filter operation false is actually OK\n */\nconst optionalHandler = function( params ) {\n  const { arg, param } = params;\n  if (notEmpty(arg)) {\n    // debug('call optional handler', arg, params);\n    // loop through the type in param\n    return !(param.type.length > param.type.filter(type =>\n        validateHandler(type, params)\n    ).length)\n  }\n  return false;\n}\n\n/**\n * actually picking the validator\n * @param {*} type for checking\n * @param {*} value for checking\n * @return {boolean} true on OK\n */\nconst validateHandler = function(type, value) {\n  let tmp;\n  switch (true) {\n    case type === OBJECT_TYPE:\n      // debugFn('call OBJECT_TYPE')\n      return !objectTypeHandler(value)\n    case type === ARRAY_TYPE:\n      // debugFn('call ARRAY_TYPE')\n      return !checkIsArray(value.arg)\n    // @TODO when the type is not present, it always fall through here\n    // so we need to find a way to actually pre-check the type first\n    // AKA check the contract.json map before running here\n    case (tmp = isArrayLike(type)) !== false:\n      // debugFn('call ARRAY_LIKE: %O', value)\n      return !arrayTypeHandler(value, tmp)\n    default:\n      return !combineFn(type)(value.arg)\n  }\n}\n\n/**\n * it get too longer to fit in one line so break it out from the fn below\n * @param {*} arg value\n * @param {object} param config\n * @return {*} value or apply default value\n */\nconst getOptionalValue = function(arg, param) {\n  if (!isUndefined(arg)) {\n    return arg;\n  }\n  return (param.optional === true && !isUndefined(param.defaultvalue) ? param.defaultvalue : null)\n}\n\n/**\n * padding the arguments with defaultValue if the arguments did not provide the value\n * this will be the name export\n * @param {array} args normalized arguments\n * @param {array} params from contract.json\n * @return {array} merge the two together\n */\nexport const normalizeArgs = function(args, params) {\n  // first we should check if this call require a validation at all\n  // there will be situation where the function doesn't need args and params\n  if (!checkIsArray(params)) {\n    // debugFn('params value', params)\n    throw new JsonqlError(PARAMS_NOT_ARRAY_ERR)\n  }\n  if (params.length === 0) {\n    return [];\n  }\n  if (!checkIsArray(args)) {\n    throw new JsonqlError(ARGS_NOT_ARRAY_ERR)\n  }\n  // debugFn(args, params);\n  // fall through switch\n  switch(true) {\n    case args.length == params.length: // standard\n      log(1)\n      return args.map((arg, i) => (\n        {\n          arg,\n          index: i,\n          param: params[i]\n        }\n      ))\n    case params[0].variable === true: // using spread syntax\n      log(2)\n      const type = params[0].type;\n      return args.map((arg, i) => (\n        {\n          arg,\n          index: i, // keep the index for reference\n          param: params[i] || { type, name: '_' }\n        }\n      ))\n    // with optional defaultValue parameters\n    case args.length < params.length:\n      log(3)\n      return params.map((param, i) => (\n        {\n          param,\n          index: i,\n          arg: getOptionalValue(args[i], param),\n          optional: param.optional || false\n        }\n      ))\n    // this one pass more than it should have anything after the args.length will be cast as any type\n    case args.length > params.length:\n      log(4)\n      let ctn = params.length;\n      // this happens when we have those array.<number> type\n      let _type = [ DEFAULT_TYPE ]\n      // we only looking at the first one, this might be a @BUG\n      /*\n      if ((tmp = isArrayLike(params[0].type[0])) !== false) {\n        _type = tmp;\n      } */\n      // if we use the params as guide then the rest will get throw out\n      // which is not what we want, instead, anything without the param\n      // will get a any type and optional flag\n      return args.map((arg, i) => {\n        let optional = i >= ctn ? true : !!params[i].optional\n        let param = params[i] || { type: _type, name: `_${i}` }\n        return {\n          arg: optional ? getOptionalValue(arg, param) : arg,\n          index: i,\n          param,\n          optional\n        }\n      })\n    // @TODO find out if there is more cases not cover\n    default: // this should never happen\n      log(5)\n      // debugFn('args', args)\n      // debugFn('params', params)\n      // this is unknown therefore we just throw it!\n      throw new JsonqlError(EXCEPTION_CASE_ERR, { args, params })\n  }\n}\n\n// what we want is after the validaton we also get the normalized result\n// which is with the optional property if the argument didn't provide it\n/**\n * process the array of params back to their arguments\n * @param {array} result the params result\n * @return {array} arguments\n */\nconst processReturn = result => result.map(r => r.arg)\n\n/**\n * validator main interface\n * @param {array} args the arguments pass to the method call\n * @param {array} params from the contract for that method\n * @param {boolean} [withResul=false] if true then this will return the normalize result as well\n * @return {array} empty array on success, or failed parameter and reasons\n */\nexport const validateSync = function(args, params, withResult = false) {\n  let cleanArgs = normalizeArgs(args, params)\n  let checkResult = cleanArgs.filter(p => {\n    // v1.4.4 this fixed the problem, the root level optional is from the last fn\n    if (p.optional === true || p.param.optional === true) {\n      return optionalHandler(p)\n    }\n    // because array of types means OR so if one pass means pass\n    return !(p.param.type.length > p.param.type.filter(\n      type => validateHandler(type, p)\n    ).length)\n  })\n  // using the same convention we been using all this time\n  return !withResult ? checkResult : {\n    [ERROR_KEY]: checkResult,\n    [DATA_KEY]: processReturn(cleanArgs)\n  }\n}\n\n/**\n * A wrapper method that return promise\n * @param {array} args arguments\n * @param {array} params from contract.json\n * @param {boolean} [withResul=false] if true then this will return the normalize result as well\n * @return {object} promise.then or catch\n */\nexport const validateAsync = function(args, params, withResult = false) {\n  return new Promise((resolver, rejecter) => {\n    const result = validateSync(args, params, withResult)\n    if (withResult) {\n      return result[ERROR_KEY].length ? rejecter(result[ERROR_KEY])\n                                      : resolver(result[DATA_KEY])\n    }\n    // the different is just in the then or catch phrase\n    return result.length ? rejecter(result) : resolver([])\n  })\n}\n","/**\n * @param {array} arr Array for check\n * @param {*} value target\n * @return {boolean} true on successs\n */\nconst isInArray = function(arr, value) {\n  return !!arr.filter(a => a === value).length;\n}\n\nexport default isInArray\n","// breaking the whole thing up to see what cause the multiple calls issue\n\nimport { isFunction, merge, mapValues } from '../lodash'\nimport {\n  JsonqlEnumError,\n  JsonqlTypeError,\n  JsonqlCheckerError\n} from 'jsonql-errors'\nimport log from '../log'\nimport {\n  TYPE_KEY,\n  OPTIONAL_KEY,\n  ENUM_KEY,\n  ARGS_KEY,\n  CHECKER_KEY,\n  KEY_WORD\n} from '../constants'\nimport { checkIsArray } from '../array'\n\n// import debug from 'debug';\n// const debugFn = debug('jsonql-params-validator:options:validation')\n\n/**\n * just make sure it returns an array to use\n * @param {*} arg input\n * @return {array} output\n */\nconst toArray = arg => checkIsArray(arg) ? arg : [arg]\n\n/**\n * DIY in array\n * @param {array} arr to check against\n * @param {*} value to check\n * @return {boolean} true on OK\n */\nconst inArray = (arr, value) => (\n  !!arr.filter(v => v === value).length\n)\n\n/**\n * break out to make the code easier to read\n * @param {object} value to process\n * @param {function} cb the validateSync\n * @return {array} empty on success\n */\nfunction validateHandler(value, cb) {\n  // cb is the validateSync methods\n  let args = [\n    [ value[ARGS_KEY] ],\n    [{\n        [TYPE_KEY]: toArray(value[TYPE_KEY]),\n        [OPTIONAL_KEY]: value[OPTIONAL_KEY]\n    }]\n  ]\n  // debugFn('validateHandler', args)\n  return Reflect.apply(cb, null, args)\n}\n\n/**\n * Check against the enum value if it's provided\n * @param {*} value to check\n * @param {*} enumv to check against if it's not false\n * @return {boolean} true on OK\n */\nconst enumHandler = (value, enumv) => {\n  if (checkIsArray(enumv)) {\n    return inArray(enumv, value)\n  }\n  return true;\n}\n\n/**\n * Allow passing a function to check the value\n * There might be a problem here if the function is incorrect\n * and that will makes it hard to debug what is going on inside\n * @TODO there could be a few feature add to this one under different circumstance\n * @param {*} value to check\n * @param {function} checker for checking\n */\nconst checkerHandler = (value, checker) => {\n  try {\n    return isFunction(checker) ? checker.apply(null, [value]) : false;\n  } catch (e) {\n    return false;\n  }\n}\n\n/**\n * Taken out from the runValidaton this only validate the required values\n * @param {array} args from the config2argsAction\n * @param {function} cb validateSync\n * @return {array} of configuration values\n */\nfunction runValidationAction(cb) {\n  return (value, key) => {\n    // debugFn('runValidationAction', key, value)\n    if (value[KEY_WORD]) {\n      return value[ARGS_KEY]\n    }\n    const check = validateHandler(value, cb)\n    if (check.length) {\n      log('runValidationAction', key, value)\n      throw new JsonqlTypeError(key, check)\n    }\n    if (value[ENUM_KEY] !== false && !enumHandler(value[ARGS_KEY], value[ENUM_KEY])) {\n      log(ENUM_KEY, value[ENUM_KEY])\n      throw new JsonqlEnumError(key)\n    }\n    if (value[CHECKER_KEY] !== false && !checkerHandler(value[ARGS_KEY], value[CHECKER_KEY])) {\n      log(CHECKER_KEY, value[CHECKER_KEY])\n      throw new JsonqlCheckerError(key)\n    }\n    return value[ARGS_KEY]\n  }\n}\n\n/**\n * @param {object} args from the config2argsAction\n * @param {function} cb validateSync\n * @return {object} of configuration values\n */\nexport default function runValidation(args, cb) {\n  const [ argsForValidate, pristineValues ] = args;\n  // turn the thing into an array and see what happen here\n  // debugFn('_args', argsForValidate)\n  const result = mapValues(argsForValidate, runValidationAction(cb))\n  return merge(result, pristineValues)\n}\n","/// this is port back from the client to share across all projects\nimport { merge } from '../lodash'\nimport { prepareArgsForValidation } from './prepare-args-for-validation'\nimport runValidation from './run-validation'\n\n// import debug from 'debug'\n// const debugFn = debug('jsonql-params-validator:check-options-async')\n\n/**\n * Quick transform\n * @param {object} config that one\n * @param {object} appProps mutation configuration options\n * @return {object} put that arg into the args\n */\nconst configToArgs = (config, appProps) => {\n  return Promise.resolve(\n    prepareArgsForValidation(config, appProps)\n  )\n}\n\n/**\n * @param {object} config user provide configuration option\n * @param {object} appProps mutation configuration options\n * @param {object} constProps the immutable configuration options\n * @param {function} cb the validateSync method\n * @return {object} Promise resolve merge config object\n */\nexport default function(config = {}, appProps, constProps, cb) {\n  return configToArgs(config, appProps)\n    .then(args1 => {\n      // debugFn('args', args1)\n      return runValidation(args1, cb)\n    })\n    // next if every thing good then pass to final merging\n    .then(args2 => merge({}, args2, constProps))\n}\n","// create function to construct the config entry so we don't need to keep building object\nimport { isFunction, isString } from '../lodash'\nimport {\n  ARGS_KEY,\n  TYPE_KEY,\n  CHECKER_KEY,\n  ENUM_KEY,\n  OPTIONAL_KEY,\n  ALIAS_KEY\n} from 'jsonql-constants'\n\nimport { checkIsArray } from '../array'\nimport checkIsBoolean from '../boolean'\n// import debug from 'debug';\n// const debugFn = debug('jsonql-params-validator:construct-config');\n/**\n * @param {*} args value\n * @param {string} type for value\n * @param {boolean} [optional=false]\n * @param {boolean|array} [enumv=false]\n * @param {boolean|function} [checker=false]\n * @return {object} config entry\n */\nexport default function(args, type, optional=false, enumv=false, checker=false, alias=false) {\n  let base = {\n    [ARGS_KEY]: args,\n    [TYPE_KEY]: type\n  };\n  if (optional === true) {\n    base[OPTIONAL_KEY] = true;\n  }\n  if (checkIsArray(enumv)) {\n    base[ENUM_KEY] = enumv;\n  }\n  if (isFunction(checker)) {\n    base[CHECKER_KEY] = checker;\n  }\n  if (isString(alias)) {\n    base[ALIAS_KEY] = alias;\n  }\n  return base;\n}\n","// export also create wrapper methods\nimport checkOptionsAsync from './check-options-async'\nimport checkOptionsSync from './check-options-sync'\nimport constructConfigFn from './construct-config'\nimport {\n  ENUM_KEY,\n  CHECKER_KEY,\n  ALIAS_KEY,\n  OPTIONAL_KEY\n} from 'jsonql-constants'\n\n// import debug from 'debug';\n// const debugFn = debug('jsonql-params-validator:options:index');\n\n/**\n * This has a different interface\n * @param {*} value to supply\n * @param {string|array} type for checking\n * @param {object} params to map against the config check\n * @param {array} params.enumv NOT enum\n * @param {boolean} params.optional false then nothing\n * @param {function} params.checker need more work on this one later\n * @param {string} params.alias mostly for cmd\n */\nconst createConfig = (value, type, params = {}) => {\n  // Note the enumv not ENUM\n  // const { enumv, optional, checker, alias } = params;\n  // let args = [value, type, optional, enumv, checker, alias];\n  const {\n    [OPTIONAL_KEY]: o,\n    [ENUM_KEY]: e,\n    [CHECKER_KEY]: c,\n    [ALIAS_KEY]: a\n  } = params;\n  return constructConfigFn.apply(null,  [value, type, o, e, c, a])\n}\n\n// for testing purpose\nconst JSONQL_PARAMS_VALIDATOR_INFO = '__PLACEHOLDER__';\n\n/**\n * We recreate the method here to avoid the circlar import\n * @param {object} config user supply configuration\n * @param {object} appProps mutation options\n * @param {object} [constantProps={}] optional: immutation options\n * @return {object} all checked configuration\n */\nconst checkConfigAsync = function(validateSync) {\n  return function(config, appProps, constantProps= {}) {\n    return checkOptionsAsync(config, appProps, constantProps, validateSync)\n  }\n}\n\n// copy of above but it's sync\nconst checkConfig = function(validateSync) {\n  return function(config, appProps, constantProps = {}) {\n    return checkOptionsSync(config, appProps, constantProps, validateSync)\n  }\n}\n\n// re-export\nexport {\n  createConfig,\n  constructConfigFn,\n  checkConfigAsync,\n  checkConfig,\n  JSONQL_PARAMS_VALIDATOR_INFO\n}\n","// export\nimport {\n  checkIsObject,\n  notEmpty,\n  checkIsAny,\n  checkIsString,\n  checkIsBoolean,\n  checkIsNumber,\n  checkIsArray\n} from './src'\n// PIA syntax\nexport const isObject = checkIsObject;\nexport const isAny = checkIsAny;\nexport const isString = checkIsString;\nexport const isBoolean = checkIsBoolean;\nexport const isNumber = checkIsNumber;\nexport const isArray = checkIsArray;\nexport const isNotEmpty = notEmpty;\n\nimport * as validator from './src/validator'\n\nexport const normalizeArgs = validator.normalizeArgs;\nexport const validateSync = validator.validateSync;\nexport const validateAsync = validator.validateAsync;\n\n// configuration checking\n\nimport * as jsonqlOptions from './src/options'\n\nexport const JSONQL_PARAMS_VALIDATOR_INFO = jsonqlOptions.JSONQL_PARAMS_VALIDATOR_INFO;\n\nexport const createConfig = jsonqlOptions.createConfig;\nexport const constructConfig = jsonqlOptions.constructConfigFn;\n\nexport const checkConfigAsync = jsonqlOptions.checkConfigAsync(validator.validateSync)\nexport const checkConfig = jsonqlOptions.checkConfig(validator.validateSync)\n\n// export the two extra functions\nimport isInArray from './src/is-in-array'\nimport isKeyInObjectFn from './src/is-key-in-object'\n\nexport const inArray = isInArray;\nexport const isKeyInObject = isKeyInObjectFn;\n","module.exports = defaultsPlugin\n\nfunction defaultsPlugin() {\n\tvar defaultValues = {}\n\t\n\treturn {\n\t\tdefaults: defaults,\n\t\tget: get\n\t}\n\t\n\tfunction defaults(_, values) {\n\t\tdefaultValues = values\n\t}\n\t\n\tfunction get(super_fn, key) {\n\t\tvar val = super_fn()\n\t\treturn (val !== undefined ? val : defaultValues[key])\n\t}\n}\n","var namespace = 'expire_mixin'\n\nmodule.exports = expirePlugin\n\nfunction expirePlugin() {\n\tvar expirations = this.createStore(this.storage, null, this._namespacePrefix+namespace)\n\t\n\treturn {\n\t\tset: expire_set,\n\t\tget: expire_get,\n\t\tremove: expire_remove,\n\t\tgetExpiration: getExpiration,\n\t\tremoveExpiredKeys: removeExpiredKeys\n\t}\n\t\n\tfunction expire_set(super_fn, key, val, expiration) {\n\t\tif (!this.hasNamespace(namespace)) {\n\t\t\texpirations.set(key, expiration)\n\t\t}\n\t\treturn super_fn()\n\t}\n\t\n\tfunction expire_get(super_fn, key) {\n\t\tif (!this.hasNamespace(namespace)) {\n\t\t\t_checkExpiration.call(this, key)\n\t\t}\n\t\treturn super_fn()\n\t}\n\t\n\tfunction expire_remove(super_fn, key) {\n\t\tif (!this.hasNamespace(namespace)) {\n\t\t\texpirations.remove(key)\n\t\t}\n\t\treturn super_fn()\n\t}\n\t\n\tfunction getExpiration(_, key) {\n\t\treturn expirations.get(key)\n\t}\n\t\n\tfunction removeExpiredKeys(_) {\n\t\tvar keys = []\n\t\tthis.each(function(val, key) {\n\t\t\tkeys.push(key)\n\t\t})\n\t\tfor (var i=0; i<keys.length; i++) {\n\t\t\t_checkExpiration.call(this, keys[i])\n\t\t}\n\t}\n\t\n\tfunction _checkExpiration(key) {\n\t\tvar expiration = expirations.get(key, Number.MAX_VALUE)\n\t\tif (expiration <= new Date().getTime()) {\n\t\t\tthis.raw.remove(key)\n\t\t\texpirations.remove(key)\n\t\t}\n\t}\n\t\n}\n","// sort of persist on the user side\nimport engine from 'store/src/store-engine'\n\nimport localStorage from 'store/storages/localStorage'\nimport cookieStorage from 'store/storages/cookieStorage'\n\nimport defaultPlugin from 'store/plugins/defaults'\nimport expiredPlugin from 'store/plugins/expire'\nimport eventsPlugin from 'store/plugins/events'\nimport compressionPlugin from 'store/plugins/compression'\n\nconst storages = [localStorage, cookieStorage]\nconst plugins = [defaultPlugin, expiredPlugin, eventsPlugin, compressionPlugin]\n\nconst localStore = engine.createStore(storages, plugins)\n\nexport default localStore\n","// session store with watch\nimport engine from 'store/src/store-engine'\n\nimport sessionStorage from 'store/storages/sessionStorage'\nimport cookieStorage from 'store/storages/cookieStorage'\n\nimport defaultPlugin from 'store/plugins/defaults'\nimport expiredPlugin from 'store/plugins/expire'\n\nconst storages = [sessionStorage, cookieStorage]\nconst plugins = [defaultPlugin, expiredPlugin]\n\nconst sessionStore = engine.createStore(storages, plugins)\n\nexport default sessionStore\n","// export store interface\nimport localStoreEngine from './local-store'\nimport sessionStoreEngine from './session-store'\n\n// export back the raw version for development purposes\nexport const localStore = localStoreEngine\nexport const sessionStore = sessionStoreEngine\n","// take only the module part which is what we use here\n// and export it again to use through out the client\n// this way we avoid those that we don't want node.js module got build into the code\nimport {\n    createEvt,\n\n    createQuery,\n    createMutation,\n    getNameFromPayload,\n    cacheBurst,\n    urlParams,\n    resultHandler,\n\n    isContract,\n    timestamp,\n    inArray,\n    isObjectHasKey\n} from './jsonql-utils' // this should point to the module.js\n\n/**\n * @param {object} jsonqlInstance the init instance of jsonql client\n * @param {object} contract the static contract\n * @return {object} contract may be from server\n */\nconst getContractFromConfig = function(jsonqlInstance, contract = {}) {\n  if (isContract(contract)) {\n    return Promise.resolve(contract)\n  }\n  return jsonqlInstance.getContract()\n}\n\n// export some constants as well\n// since it's only use here there is no point of adding it to the constants module\n// or may be we add it back later\nconst ENDPOINT_TABLE = 'endpoint';\nconst USERDATA_TABLE = 'userdata';\n\n// simple util to check if an object has any properties\nconst hasProp = obj => isObject(obj) && Object.keys(obj).length\n\n// export\nexport {\n  getContractFromConfig,\n  ENDPOINT_TABLE,\n  USERDATA_TABLE,\n  createEvt,\n\n  createQuery,\n  createMutation,\n  getNameFromPayload,\n  cacheBurst,\n  urlParams,\n  resultHandler,\n\n  isContract,\n  timestamp,\n  inArray,\n  isObjectHasKey,\n  hasProp\n}\n","/**\n * The code was extracted from:\n * https://github.com/davidchambers/Base64.js\n */\n\nvar chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';\n\nfunction InvalidCharacterError(message) {\n  this.message = message;\n}\n\nInvalidCharacterError.prototype = new Error();\nInvalidCharacterError.prototype.name = 'InvalidCharacterError';\n\nfunction polyfill (input) {\n  var str = String(input).replace(/=+$/, '');\n  if (str.length % 4 == 1) {\n    throw new InvalidCharacterError(\"'atob' failed: The string to be decoded is not correctly encoded.\");\n  }\n  for (\n    // initialize result and counters\n    var bc = 0, bs, buffer, idx = 0, output = '';\n    // get next character\n    buffer = str.charAt(idx++);\n    // character found in table? initialize bit storage and add its ascii value;\n    ~buffer && (bs = bc % 4 ? bs * 64 + buffer : buffer,\n      // and if not first of each 4 characters,\n      // convert the first 8 bits to one ascii character\n      bc++ % 4) ? output += String.fromCharCode(255 & bs >> (-2 * bc & 6)) : 0\n  ) {\n    // try to find character in table (0-63, not found => -1)\n    buffer = chars.indexOf(buffer);\n  }\n  return output;\n}\n\n\nmodule.exports = typeof window !== 'undefined' && window.atob && window.atob.bind(window) || polyfill;\n","// when the user is login with the jwt\n// we use call this to decode the token and then add the payload\n// to the resolver so the user can call ResolverName.userdata\n// and get back the payload\nimport jwt_decode from 'jwt-decode'\nimport { isString } from 'jsonql-params-validator'\nimport { JsonqlError } from 'jsonql-errors'\n\nconst timestamp = function (sec) {\n  if ( sec === void 0 ) sec = false;\n\n  var time = Date.now();\n  return sec ? Math.floor( time / 1000 ) : time;\n}\n\n/**\n * We only check the nbf and exp\n * @param {object} token for checking\n * @return {object} token on success\n */\nfunction validate(token) {\n  const start = token.iat || timestamp(true)\n  // we only check the exp for the time being\n  if (token.exp) {\n    if (start >= token.exp) {\n      const expired = new Date(token.exp).toISOString()\n      throw new JsonqlError(`Token has expired on ${expired}`, token)\n    }\n  }\n  return token;\n}\n\n/**\n * The browser client version it has far fewer options and it doesn't verify it\n * because it couldn't this is the job for the server\n * @TODO we need to add some extra proessing here to check for the exp field\n * @param {string} token to decrypted\n * @return {object} decrypted object\n */\nexport default function jwtDecode(token) {\n  if (isString(token)) {\n    const t = jwt_decode(token)\n    return validate(t)\n  }\n  throw new JsonqlError('Token must be a string!')\n}\n","// base HttpClass\nimport merge from 'lodash-es/merge'\nimport {\n  createQuery,\n  createMutation,\n  getNameFromPayload,\n  cacheBurst,\n  urlParams,\n  resultHandler\n} from '../utils'\nimport {\n  isObject,\n  isString\n} from 'jsonql-params-validator'\nimport {\n  JsonqlValidationError,\n  JsonqlServerError,\n  clientErrorsHandler\n} from 'jsonql-errors'\nimport {\n  API_REQUEST_METHODS,\n  DEFAULT_HEADER,\n  JSONP_CALLBACK_NAME,\n  SHOW_CONTRACT_DESC_PARAM\n} from 'jsonql-constants'\n\n// extract the one we need\nconst [ POST, PUT ] = API_REQUEST_METHODS\n\nconst _log = (...args) => {\n  try {\n    if (window && window.console) {\n      Reflect.apply(console.log, null, args)\n    }\n  } catch(e) {}\n}\n\nexport default class HttpClass {\n  /**\n   * The opts has been check at the init stage\n   * @param {object} opts configuration options\n   */\n  constructor(opts) {\n    // change the way how we init Fly\n    // flyio now become external depedencies and it makes it easier to switch\n    // @BUG should we run test to check if we have the windows object?\n    _log(opts)\n    this.fly = opts.Fly ? new opts.Fly() : new Fly()\n    // to a different environment like WeChat mini app\n    this.opts = opts;\n    this.extraHeader = {};\n    // @1.2.1 for adding query to the call on the fly\n    this.extraParams = {};\n    // this.log('start up opts', opts);\n    this.reqInterceptor()\n    this.resInterceptor()\n  }\n\n  // set headers for that one call\n  set headers(header) {\n    this.extraHeader = header;\n  }\n\n  /**\n   * Create the reusage request method\n   * @param {object} payload jsonql payload\n   * @param {object} options extra options add the request\n   * @param {object} headers extra headers add to the call\n   * @return {object} the fly request instance\n   */\n  request(payload, options = {}, headers = {}) {\n    this.headers = headers;\n    let params = merge({}, cacheBurst(), this.extraParams)\n    // @TODO need to add a jsonp url and payload\n    if (this.opts.enableJsonp) {\n      let resolverName = getNameFromPayload(payload)\n      params = merge({}, params, {[JSONP_CALLBACK_NAME]: resolverName})\n      payload = payload[resolverName]\n    }\n    return this.fly.request(\n      this.jsonqlEndpoint,\n      payload,\n      merge({}, { method: POST, params }, options)\n    )\n  }\n\n  /**\n   * This will replace the create baseRequest method\n   *\n   */\n  reqInterceptor() {\n    this.fly.interceptors.request.use(\n      req => {\n        const headers = this.getHeaders()\n        this.log('request interceptor call', headers)\n\n        for (let key in headers) {\n          req.headers[key] = headers[key]\n        }\n        return req;\n      }\n    )\n  }\n\n  // @TODO\n  processJsonp(result) {\n    return resultHandler(result)\n  }\n\n  /**\n   * This will be replacement of the first then call\n   *\n   */\n  resInterceptor() {\n    const self = this;\n    const jsonp = self.opts.enableJsonp;\n    this.fly.interceptors.response.use(\n      res => {\n        this.log('response interceptor call')\n        self.cleanUp()\n        // now more processing here\n        // there is a problem if we throw the result.error here\n        // the original data is lost, so we need to do what we did before\n        // deal with that error in the first then instead\n        const result = isString(res.data) ? JSON.parse(res.data) : res.data;\n        if (jsonp) {\n          return self.processJsonp(result)\n        }\n        return resultHandler(result)\n      },\n      // this get call when it's not 200\n      err => {\n        self.cleanUp()\n        console.error(err)\n        throw new JsonqlServerError('Server side error', err)\n      }\n    )\n  }\n\n  /**\n   * Get the headers inject into the call\n   * @return {object} headers\n   */\n  getHeaders() {\n    if (this.opts.enableAuth) {\n      return merge({}, DEFAULT_HEADER, this.getAuthHeader(), this.extraHeader)\n    }\n    return merge({}, DEFAULT_HEADER, this.extraHeader)\n  }\n\n  /**\n   * Post http call operation to clean up things we need\n   */\n  cleanUp() {\n    this.extraHeader = {}\n    this.extraParams = {}\n  }\n\n  /**\n   * GET for contract only\n   */\n  get() {\n    if (this.opts.showContractDesc) {\n      this.extraParams = merge({}, this.extraParams, SHOW_CONTRACT_DESC_PARAM)\n    }\n    return this.request({}, {method: 'GET'}, this.contractHeader)\n      .then(clientErrorsHandler)\n      .then(result => {\n        this.log('get contract result', result)\n        // when refresh the window the result is different!\n        // @TODO need to check the Koa side about why is that\n        // also it should set a flag if we want the description or not\n        if (result.cache && result.contract) {\n          return result.contract;\n        }\n        // just the normal result\n        return result\n      })\n  }\n\n /**\n  * POST to server - query\n  * @param {object} name of the resolver\n  * @param {array} args arguments\n  * @return {object} promise resolve to the resolver return\n  */\n query(name, args = []) {\n   return this.request(createQuery(name, args))\n    .then(clientErrorsHandler)\n }\n\n /**\n  * PUT to server - mutation\n  * @param {string} name of resolver\n  * @param {object} payload what it said\n  * @param {object} conditions what it said\n  * @return {object} promise resolve to the resolver return\n  */\n mutation(name, payload = {}, conditions = {}) {\n   return this.request(createMutation(name, payload, conditions), {method: PUT})\n    .then(clientErrorsHandler)\n }\n\n}\n","// all the contract related methods will be here\nimport { JsonqlValidationError } from 'jsonql-errors'\n\nimport { timestamp, isContract, ENDPOINT_TABLE } from '../utils'\nimport { localStore } from '../stores'\n\nimport HttpClass from './http-cls';\n\n// export\nexport default class ContractClass extends HttpClass {\n\n  constructor(opts) {\n    super(opts)\n  }\n\n  /**\n   * return the contract public api\n   * @return {object} contract\n   */\n  getContract() {\n    const contracts = this.readContract()\n    this.log('getContract first call', contracts)\n    if (contracts && Array.isArray(contracts)) {\n      const contract = contracts[ this[ENDPOINT_TABLE + 'Index'] || 0 ]\n      if (contract) {\n        return Promise.resolve(contract)\n      }\n    }\n    return this.get()\n      .then( this.storeContract.bind(this) )\n  }\n\n  /**\n   * We are changing the way how to auth to get the contract.json\n   * Instead of in the url, we will be putting that key value in the header\n   * @return {object} header\n   */\n  get contractHeader() {\n    let base = {};\n    if (this.opts.contractKey !== false) {\n      base[this.opts.contractKeyName] = this.opts.contractKey;\n    }\n    return base;\n  }\n\n  /**\n   * Save the contract to local store\n   * @param {object} contract to save\n   * @return {object|boolean} false when its not a contract or contract on OK\n   */\n  storeContract(contract) {\n    // first need to check if the contract is a contract\n    if (!isContract(contract)) {\n      throw new JsonqlValidationError(`Contract is malformed!`)\n      //return false;\n    }\n    let args = [contract]\n    if (this.opts.contractExpired) {\n      let expired = parseFloat(this.opts.contractExpired)\n      if (!isNaN(expired) && expired > 0) {\n        args.push(expired)\n      }\n    }\n    // calling the setter\n    this.jsonqlContract = args;\n    // return it\n    this.log('storeContract return result', contract)\n    return contract;\n  }\n\n  /**\n   * return the contract from options or localStore\n   * @return {object} contract\n   */\n  readContract() {\n    let contract = isContract(this.opts.contract)\n    return contract ? this.opts.contract : localStore.get(this.opts.storageKey)\n  }\n}\n","// this is the new auth class that integrate with the jsonql-jwt\n// all the auth related methods will be here\nimport { decodeToken } from 'jsonql-jwt'\nimport {\n  CREDENTIAL_STORAGE_KEY,\n  AUTH_HEADER,\n  BEARER\n} from 'jsonql-constants'\n// chain\nimport ContractClass from './contract-cls'\n// export\nexport default class AuthClass extends ContractClass {\n\n  constructor(opts) {\n    super(opts)\n    if (opts.enableAuth && opts.useJwt) {\n      this.setDecoder = decodeToken;\n    }\n  }\n\n  /**\n   * Getter to get the login userdata\n   * @return {mixed} userdata\n   */\n  get userdata() {\n    return this.jsonqlUserdata; // see base-cls\n  }\n\n  /**\n   * Return the token from session store\n   * @return {string} token\n   */\n  get rawAuthToken() {\n    // this should return from the base\n    return this.jsonqlToken; // see base-cls\n  }\n\n  /**\n   * Setter to add a decoder when retrieve user token\n   * @param {function} d a decoder\n   */\n  set setDecoder(d) {\n    if (typeof d === 'function') {\n      this.decoder = d;\n    }\n  }\n\n  /**\n   * Setter after login success\n   * @TODO this move to a new class to handle multiple login\n   * @param {string} token to store\n   * @return {*} success store\n   */\n  storeToken(token) {\n    return this.jsonqlToken = token;\n  }\n\n  /**\n   * for overwrite\n   * @param {string} token stored token\n   * @return {string} token\n   */\n  decoder(token) {\n    return token;\n  }\n\n  /**\n   * Construct the auth header\n   * @return {object} header\n   */\n  getAuthHeader() {\n    const token = this.rawAuthToken;\n    return token ? {[this.opts.AUTH_HEADER]: `${BEARER} ${token}`} : {};\n  }\n\n}\n","// this the core of the internal storage management\nimport { CREDENTIAL_STORAGE_KEY } from 'jsonql-constants'\nimport { isObject, isArray } from 'jsonql-params-validator'\nimport { JsonqlValidationError } from 'jsonql-errors'\n// chaining into the classes\nimport { localStore, sessionStore } from '../stores'\nimport { timestamp, inArray, ENDPOINT_TABLE, USERDATA_TABLE } from '../utils'\n\nimport AuthCls from './auth-cls'\n\n// This class will only focus on the storage system\nexport default class JsonqlBaseClient extends AuthCls {\n\n  constructor(opts, Fly = null) {\n    if (Fly) {\n      opts.Fly = Fly;\n    }\n    super(opts)\n  }\n\n  // @TODO\n  set storeIt(args) {\n    console.info('storeIt', args)\n    // the args MUST contain [0] the key , [1] the content [2] optional expired in\n    if (isArray(args) && args.length >= 2) {\n      Reflect.apply(localStore.set, localStore, args)\n    }\n    throw new JsonqlValidationError(`Expect argument to be array and least 2 items!`)\n  }\n\n  // this table index key will drive the contract\n  // also it should not allow to change dynamicly\n  // because this is how different client can id itself\n  // OK this could be self manage because when init a new client\n  // it will add a new endpoint and we will know if they are the same or not\n  // but the check here\n  set jsonqlEndpoint(endpoint) {\n    let urls = localStore.get(ENDPOINT_TABLE) || []\n    // should check if this url already existed?\n    if (!inArray(urls, endpoint)) {\n      urls.push(endpoint)\n      this.storeId = [ENDPOINT_TABLE, urls]\n      this[ENDPOINT_TABLE + 'Index'] = urls.length - 1;\n    }\n  }\n\n  // by the time it call the save contract already been checked\n  set jsonqlContract(args) {\n    const key = this.opts.storageKey;\n    let _args = [ key ]\n    let [ contract, expired ] = args;\n    // get the endpoint index\n    let contracts = localStore.get(key) || []\n    contracts[ this[ENDPOINT_TABLE + 'Index'] || 0 ] = contract;\n    _args.push(contracts)\n    if (expired) {\n      _args.push(expired)\n    }\n    if (this.opts.keepContract) {\n      this.storeIt = _args;\n    }\n  }\n\n  /**\n   * save token\n   * @param {string} token to store\n   * @return {string|boolean} false on failed\n   */\n  set jsonqlToken(token) {\n    const key = CREDENTIAL_STORAGE_KEY;\n    let tokens = localStorage.get(key) || []\n    if (!inArray(tokens, token)) {\n      let index = tokens.length - 1;\n      tokens[ index ] = token;\n      this[key + 'Index'] = index;\n      let args = [key, tokens]\n      if (this.opts.tokenExpired) {\n        const expired = parseFloat(this.opts.tokenExpired)\n        if (!isNaN(expired) && expired > 0) {\n          const ts = timestamp()\n          args.push( ts + parseFloat(expired) )\n        }\n      }\n      this.storeIt = args;\n      // now decode it and store in the userdata\n      this.jsonqlUserdata = this.decoder(token)\n      return token;\n    }\n    return false;\n  }\n\n  /**\n   * this one will use the sessionStore\n   * basically we hook this onto the token store and decode it to store here\n   */\n  set jsonqlUserdata(userdata) {\n    const args = [USERDATA_TABLE, userdata]\n    if (userdata.exp) {\n      args.push(userdata.exp)\n    }\n    return Reflect.apply(localStore.set, localStore, args)\n  }\n\n  /**\n   * This also manage the index internally\n   * There is NO need to store them in an array\n   * because each instance contain one end point\n   * @return {string} the end point to call\n   */\n  get jsonqlEndpoint() {\n    let urls = localStore.get(ENDPOINT_TABLE)\n    if (!urls) {\n      const { hostname, jsonqlPath } = this.opts;\n      let url = [hostname, jsonqlPath].join('/')\n      this.jsonqlEndpoint = url;\n      return url;\n    }\n    return urls[this[ENDPOINT_TABLE + 'Index']]\n  }\n\n  /**\n   * If already stored then return it by the end point index\n   * or false when there is none\n   * 1.2.0 start using the keepContract option (replace the useLocalStorage)\n   * @return {object|boolean} as described above\n   */\n  get jsonqlContract() {\n    const key = this.opts.storageKey\n    let contracts = localStore.get(key) || []\n    return contracts[ this[ENDPOINT_TABLE + 'Index'] ] || false\n  }\n\n  /**\n   * Jsonql token getter\n   * @return {string|boolean} false when failed\n   */\n  get jsonqlToken() {\n    const key = CREDENTIAL_STORAGE_KEY;\n    let tokens = localStorage.get(key)\n    if (tokens) {\n      return tokens[ this[key + 'Index'] ]\n    }\n    return false;\n  }\n\n  /**\n   * this one store in the session store\n   * get login userdata decoded jwt\n   * @return {object|null}\n   */\n  get jsonqlUserdata() {\n    return sessionStore.get(USERDATA_TABLE)\n  }\n\n  /**\n   * simple log\n   */\n  log(...args) {\n    if (this.opts.debugOn === true) {\n      Reflect.apply(console.info, console, args)\n    }\n  }\n\n}\n","// export interface\n// @public\nimport JsonqlBaseClient from './base-cls'\n\nexport default JsonqlBaseClient\n","// bunch of generic helpers\n\nimport isArray from 'lodash-es/isArray'\nimport isPlainObject from 'lodash-es/isPlainObject'\nimport trim from 'lodash-es/trim'\n\n/**\n * DIY in Array\n * @param {array} arr to check from\n * @param {*} value to check against\n * @return {boolean} true on found\n */\nexport const inArray = (arr, value) => !!arr.filter(a => a === value).length;\n\n// quick and dirty to turn non array to array\nexport const toArray = (arg) => isArray(arg) ? arg : [arg];\n\n/**\n * parse string to json or just return the original value if error happened\n * @param {*} n input\n * @return {*} json object on success\n */\nconst parse = function(n) {\n  try {\n    return JSON.parse(n)\n  } catch(e) {\n    return n;\n  }\n}\n\n/**\n * @param {object} obj for search\n * @param {string} key target\n * @return {boolean} true on success\n */\nexport const isObjectHasKey = function(obj, key) {\n  try {\n    const keys = Object.keys(obj)\n    return inArray(keys, key)\n  } catch(e) {\n    // @BUG when the obj is not an OBJECT we got some weird output\n    return false;\n    /*\n    console.info('obj', obj)\n    console.error(e)\n    throw new Error(e)\n    */\n  }\n}\n\n/**\n * create a event name\n * @param {string[]} args\n * @return {string} event name for use\n */\nexport const createEvt = (...args) => args.join('_')\n\n/**\n * @param {boolean} sec return in second or not\n * @return {number} timestamp\n */\nexport const timestamp = (sec = false) => {\n  let time = Date.now()\n  return sec ? Math.floor( time / 1000 ) : time;\n}\n\n/**\n * construct a url with query parameters\n * @param {string} url to append\n * @param {object} params to append to url\n * @return {string} url with appended params\n */\nexport const urlParams = (url, params) => {\n  let parts = [];\n  for (let key in params) {\n    parts.push( [key, params[key]].join('=') )\n  }\n  return [url, parts.join('&')].join('?')\n}\n\n/**\n * construct a url with cache burster\n * @param {string} url to append to\n * @return {object} _cb key timestamp\n */\nexport const cacheBurstUrl = url => urlParams(url, cacheBurst())\n\n/**\n * @return {object} _cb as key with timestamp\n */\nexport const cacheBurst = () => ({ _cb: timestamp() })\n\n/**\n * From underscore.string library\n * @BUG there is a bug here with the non-standard name start with _\n * @param {string} str string\n * @return {string} dasherize string\n */\nexport const dasherize = str => (\n  trim(str)\n    .replace(/([A-Z])/g, '-$1')\n    .replace(/[-_\\s]+/g, '-')\n    .toLowerCase()\n)\n\n/**\n * simple util method to get the value\n * @param {string} name of the key\n * @param {object} obj to take value from\n * @return {*} the object value id by name or undefined\n */\nexport const getConfigValue = (name, obj) => (\n  obj && isPlainObject(obj) ? ( (name in obj) ? obj[name] : undefined ) : undefined\n)\n\n/**\n * small util to make sure the return value is valid JSON object\n * @param {*} n input\n * @return {object} correct JSON object\n */\nexport const toJson = (n) => {\n  if (typeof n === 'string') {\n    return parse(n)\n  }\n  return JSON.parse(JSON.stringify(n))\n}\n\n/**\n * Check several parameter that there is something in the param\n * @param {*} param input\n * @return {boolean}\n */\nexport const isNotEmpty = function(param) {\n  return param !== undefined && param !== false && param !== null && trim(param) !== '';\n}\n\n/**\n * Simple check if the prop is function\n * @param {*} prop input\n * @return {boolean} true on success\n */\nexport const isFunc = prop => {\n  if (typeof prop === 'function') {\n    return true;\n  }\n  console.error(`Expect to be Function type!`)\n}\n","// breaking out the inner methods generator in here\nimport {\n  JsonqlValidationError,\n  JsonqlError,\n  clientErrorsHandler,\n  finalCatch\n} from 'jsonql-errors'\nimport { validateAsync } from 'jsonql-params-validator'\nimport { LOGOUT_NAME, ISSUER_NAME, KEY_WORD } from 'jsonql-constants'\nimport { injectToFn, chainFns } from 'jsonql-utils/module'\n\n/**\n * generate authorisation specific methods\n * @param {object} jsonqlInstance instance of this\n * @param {string} name of method\n * @param {object} opts configuration\n * @param {object} contract to match\n * @return {function} for use\n */\nconst authMethodGenerator = (jsonqlInstance, name, opts, contract) => {\n  return (...args) => {\n    const params = contract.auth[name].params;\n    const values = params.map((p, i) => args[i])\n    const header = args[params.length] || {};\n    return validateAsync(args, params)\n      .then(() => jsonqlInstance\n          .query\n          .apply(jsonqlInstance, [name, values, header])\n      )\n      .catch(finalCatch)\n  }\n}\n\n/**\n * Break up the different type each - create query methods\n * @param {object} obj to hold all the objects\n * @param {object} jsonqlInstance jsonql class instance\n * @param {object} ee eventEmitter\n * @param {object} config configuration\n * @param {object} contract json\n * @return {object} modified output for next op\n */\nconst createQueryMethods = (obj, jsonqlInstance, ee, config, contract) => {\n  let query = {}\n  for (let queryFn in contract.query) {\n    // to keep it clean we use a param to id the auth method\n    // const fn = (_contract.query[queryFn].auth === true) ? 'auth' : queryFn;\n    // generate the query method\n    query = injectToFn(query, queryFn, function queryFnHandler(...args) {\n    // obj.query[queryFn] = (...args) => {\n      const params = contract.query[queryFn].params;\n      const _args = params.map((param, i) => args[i])\n      // debug('query', queryFn, _params);\n      // @TODO this need to change\n      // the +1 parameter is the extra headers we want to pass\n      const header = args[params.length] || {};\n      // @TODO validate against the type\n      return validateAsync(_args, params)\n        .then(() => jsonqlInstance\n            .query\n            .apply(jsonqlInstance, [queryFn, _args, header])\n        )\n        .catch(finalCatch)\n    })\n  }\n  obj.query = query;\n  // create an alias to the helloWorld method\n  obj.helloWorld = query.helloWorld;\n  return [ obj, jsonqlInstance, ee, config, contract ]\n}\n\n/**\n * create mutation methods\n * @param {object} obj to hold all the objects\n * @param {object} jsonqlInstance jsonql class instance\n * @param {object} ee eventEmitter\n * @param {object} config configuration\n * @param {object} contract json\n * @return {object} modified output for next op\n */\nconst createMutationMethods = (obj, jsonqlInstance, ee, config, contract) => {\n  let mutation = {}\n  // process the mutation, the reason the mutation has a fixed number of parameters\n  // there is only the payload, and conditions parameters\n  // plus a header at the end\n  for (let mutationFn in contract.mutation) {\n    mutation = injectToFn(mutation, mutationFn, function mutationFnHandler(payload, conditions, header = {}) {\n    //obj.mutation[mutationFn] = (payload, conditions, header = {}) => {\n      const args = [payload, conditions];\n      const params = contract.mutation[mutationFn].params;\n      return validateAsync(args, params)\n        .then(() => jsonqlInstance\n            .mutation\n            .apply(jsonqlInstance, [mutationFn, payload, conditions, header])\n        )\n        .catch(finalCatch)\n    })\n  }\n  obj.mutation = mutation;\n  return [ obj, jsonqlInstance, ee, config, contract ]\n}\n\n/**\n * create auth methods\n * @param {object} obj to hold all the objects\n * @param {object} jsonqlInstance jsonql class instance\n * @param {object} ee eventEmitter\n * @param {object} config configuration\n * @param {object} contract json\n * @return {object} modified output for next op\n */\nconst createAuthMethods = (obj, jsonqlInstance, ee, config, contract) => {\n  if (config.enableAuth && contract.auth) {\n    let auth = {} // v1.3.1 add back the auth prop name in contract\n    const { loginHandlerName, logoutHandlerName } = config;\n    if (contract.auth[loginHandlerName]) {\n      // changing to the name the config specify\n      auth[loginHandlerName] = function loginHandlerFn(...args) {\n        const fn = authMethodGenerator(jsonqlInstance, loginHandlerName, config, contract)\n        return fn.apply(null, args)\n          .then(jsonqlInstance.postLoginAction)\n          .then(token => {\n            ee.$trigger(ISSUER_NAME, token)\n            return token;\n          })\n      }\n    }\n    if (contract.auth[logoutHandlerName]) {\n      auth[logoutHandlerName] = function logoutHandlerFn(...args) {\n        const fn = authMethodGenerator(jsonqlInstance, logoutHandlerName, config, contract)\n        return fn.apply(null, args)\n          .then(jsonqlInstance.postLogoutAction)\n          .then(r => {\n            ee.$trigger(LOGOUT_NAME, r)\n            return r;\n          })\n      }\n    } else {\n      auth[logoutHandlerName] = function logoutHandlerFn() {\n        jsonqlInstance.postLogoutAction(KEY_WORD)\n        ee.$trigger(LOGOUT_NAME, KEY_WORD)\n      }\n    }\n    obj.auth = auth;\n  }\n  return obj;\n}\n\n/**\n * Here just generate the methods calls\n * @param {object} jsonqlInstance what it said\n * @param {object} ee event emitter\n * @param {object} config configuration\n * @param {object} contract the map\n * @return {object} with mapped methods\n */\nexport default function methodsGenerator(jsonqlInstance, ee, config, contract) {\n  let obj = {}\n  const executor = chainFns(createQueryMethods, createMutationMethods, createAuthMethods)\n  return executor(obj, jsonqlInstance, ee, config, contract)\n}\n","// Generate the resolver for developer to use\n\n// @TODO when enableAuth we need to add one extra check\n// before the resolver call make it to the core\n// which is checking the login state, if the developer\n// is calling a private method without logging in\n// then we should throw the JsonqlForbiddenError at this point\n// instead of making a round trip to the server\nimport { LOGOUT_NAME, ISSUER_NAME, KEY_WORD } from 'jsonql-constants'\nimport { validateAsync } from 'jsonql-params-validator'\nimport {\n  JsonqlValidationError,\n  JsonqlError,\n  clientErrorsHandler,\n  finalCatch\n} from 'jsonql-errors'\n\nimport methodsGenerator from './methods-generator'\n\n/**\n * @param {object} jsonqlInstance jsonql class instance\n * @param {object} config options\n * @param {object} contract the contract\n * @param {object} ee eventEmitter\n * @return {object} constructed functions call\n */\nconst generator = (jsonqlInstance, config, contract, ee) => {\n  // V1.3.0 - now everything wrap inside this method\n  let client = methodsGenerator(jsonqlInstance, ee, config, contract)\n  // create the rest of the methods\n  if (config.enableAuth) {\n    /**\n     * new method to allow retrieve the current login user data\n     * @return {*} userdata\n     */\n    client.userdata = () => jsonqlInstance.userdata;\n  }\n  // allow getting the token for valdiate agains the socket\n  client.getToken = () => jsonqlInstance.rawAuthToken;\n  // this will pass to the ws-client if needed\n  // client.eventEmitter = ee;\n  // this will require a param\n  if (config.exposeContract) {\n    // 1.4.0 change from the get (raw) to the getContract cache and raw version\n    client.getContract = () => jsonqlInstance.getContract()\n  }\n  // this is for the ws to use later\n  client.eventEmitter = ee;\n  client.version = '__VERSION__';\n  // output\n  return client;\n};\n\nexport default generator;\n","// all the client configuration options here\nimport {\n  JSONQL_PATH,\n  CONTENT_TYPE,\n  BEARER,\n  CLIENT_STORAGE_KEY,\n  CLIENT_AUTH_KEY,\n  CONTRACT_KEY_NAME,\n  AUTH_HEADER,\n  ISSUER_NAME,\n  LOGOUT_NAME,\n  BOOLEAN_TYPE,\n  STRING_TYPE,\n  NUMBER_TYPE,\n  DEFAULT_HEADER\n} from 'jsonql-constants'\nimport { createConfig } from 'jsonql-params-validator'\nexport const constProps = {\n  contract: false,\n  MUTATION_ARGS: ['name', 'payload', 'conditions'], // this seems wrong?\n  CONTENT_TYPE,\n  BEARER,\n  AUTH_HEADER\n}\n\n// grab the localhost name and put into the hostname as default\nconst getHostName = () => (\n  [window.location.protocol, window.location.host].join('//')\n)\n\nexport const appProps = {\n\n  hostname: createConfig(getHostName(), [STRING_TYPE]), // required the hostname\n  jsonqlPath: createConfig(JSONQL_PATH, [STRING_TYPE]), // The path on the server\n\n  loginHandlerName: createConfig(ISSUER_NAME, [STRING_TYPE]),\n  logoutHandlerName: createConfig(LOGOUT_NAME, [STRING_TYPE]),\n  // add to koa v1.3.0 - this might remove in the future\n  enableJsonp: createConfig(false, [BOOLEAN_TYPE]),\n  enableAuth: createConfig(false, [BOOLEAN_TYPE]),\n  // enable useJwt by default\n  useJwt: createConfig(true, [BOOLEAN_TYPE]),\n\n   // the header\n   // v1.2.0 we are using this option during the dev\n   // so it won't save anything to the localstorage and fetch a new contract\n   // whenever the browser reload\n  useLocalstorage: createConfig(true, [BOOLEAN_TYPE]), // should we store the contract into localStorage\n  storageKey: createConfig(CLIENT_STORAGE_KEY, [STRING_TYPE]),// the key to use when store into localStorage\n  authKey: createConfig(CLIENT_AUTH_KEY, [STRING_TYPE]),// the key to use when store into the sessionStorage\n  contractExpired: createConfig(0, [NUMBER_TYPE]),// -1 always fetch contract,\n                      // 0 never expired,\n                      // > 0 then compare the timestamp with the current one to see if we need to get contract again\n  // useful during development\n  keepContract: createConfig(true, [BOOLEAN_TYPE]),\n  exposeContract: createConfig(false, [BOOLEAN_TYPE]),\n  // @1.2.1 new option for the contract-console to fetch the contract with description\n  showContractDesc: createConfig(false, [BOOLEAN_TYPE]),\n  contractKey: createConfig(false, [BOOLEAN_TYPE]), // if the server side is lock by the key you need this\n  contractKeyName: createConfig(CONTRACT_KEY_NAME, [STRING_TYPE]), // same as above they go in pairs\n  enableTimeout: createConfig(false, [BOOLEAN_TYPE]), // @TODO\n  timeout: createConfig(5000, [NUMBER_TYPE]), // 5 seconds\n  returnInstance: createConfig(false, [BOOLEAN_TYPE]),\n  allowReturnRawToken: createConfig(false, [BOOLEAN_TYPE]),\n  debugOn: createConfig(false, [BOOLEAN_TYPE])\n}\n","// we must ensure the user passing the correct options\n// therefore we need to validate against the properties as well\n\nimport { appProps, constProps } from './base-options'\nimport { checkConfigAsync } from 'jsonql-params-validator'\n\nexport default function checkOptionsAsync(config) {\n  let { contract } = config;\n  return checkConfigAsync(config, appProps, constProps)\n    .then(opts => {\n      opts.contract = contract;\n      return opts;\n    })\n}\n","// export interface\nimport checkOptionsAsyncLocal from './check-options-async'\nimport checkOptionsLocal from './check-options'\nimport { CHECKED_KEY } from 'jsonql-constants'\n/**\n * 1.5.0 overload the orginal functions to pass over the check\n */\nfunction checkOptionsAsync(config) {\n  return config[CHECKED_KEY] ? config : checkOptionsAsyncLocal(config)\n}\n\nfunction checkOptions(config) {\n  return config[CHECKED_KEY] ? config : checkOptionsLocal(config)\n}\n\nexport {\n  checkOptionsAsync,\n  checkOptions\n}\n","// this is new for the flyio and normalize the name from now on\nimport JsonqlBaseClient from './base'\nimport generator from './core/jsonql-api-generator'\nimport { checkOptionsAsync } from './options'\nimport { getContractFromConfig } from './utils'\n\n/**\n * Main interface for jsonql fetch api\n * @param {object} config\n * @param {object} Fly this is really pain in the backside ... long story\n * @return {object} jsonql client\n */\nexport default function(ee, config = {}, Fly = null) {\n  return checkOptionsAsync(config)\n    .then(opts => (\n      {\n        baseClient: new JsonqlBaseClient(opts, Fly),\n        opts: opts\n      }\n    ))\n    .then( ({baseClient, opts}) => (\n      getContractFromConfig(baseClient, opts.contract)\n        .then(contract => generator(baseClient, opts, contract, ee)\n        )\n      )\n    )\n}\n","/**\n * generate a 32bit hash based on the function.toString()\n * _from http://stackoverflow.com/questions/7616461/generate-a-hash-_from-string-in-javascript-jquery\n * @param {string} s the converted to string function\n * @return {string} the hashed function string\n */\nexport default function hashCode(s) {\n\treturn s.split(\"\").reduce(function(a,b){a=((a<<5)-a)+b.charCodeAt(0);return a&a},0)\n}\n","// making all the functionality on it's own\n// import { WatchClass } from './watch'\n\nexport default class SuspendClass {\n\n  constructor() {\n    // suspend, release and queue\n    this.__suspend__ = null;\n    this.queueStore = new Set()\n    /*\n    this.watch('suspend', function(value, prop, oldValue) {\n      this.logger(`${prop} set from ${oldValue} to ${value}`)\n      // it means it set the suspend = true then release it\n      if (oldValue === true && value === false) {\n        // we want this happen after the return happens\n        setTimeout(() => {\n          this.release()\n        }, 1)\n      }\n      return value; // we need to return the value to store it\n    })\n    */\n  }\n\n  /**\n   * setter to set the suspend and check if it's boolean value\n   * @param {boolean} value to trigger\n   */\n  set $suspend(value) {\n    if (typeof value === 'boolean') {\n      const lastValue = this.__suspend__;\n      this.__suspend__ = value;\n      this.logger('($suspend)', `Change from ${lastValue} --> ${value}`)\n      if (lastValue === true && value === false) {\n        setTimeout(() => {\n          this.release()\n        }, 1)\n      }\n    } else {\n      throw new Error(`$suspend only accept Boolean value!`)\n    }\n  }\n\n  /**\n   * queuing call up when it's in suspend mode\n   * @param {any} value\n   * @return {Boolean} true when added or false when it's not\n   */\n  $queue(...args) {\n    if (this.__suspend__ === true) {\n      this.logger('($queue)', 'added to $queue', args)\n      // there shouldn't be any duplicate ...\n      this.queueStore.add(args)\n    }\n    return this.__suspend__;\n  }\n\n  /**\n   * a getter to get all the store queue\n   * @return {array} Set turn into Array before return\n   */\n  get $queues() {\n    let size = this.queueStore.size;\n    this.logger('($queues)', `size: ${size}`)\n    if (size > 0) {\n      return Array.from(this.queueStore)\n    }\n    return []\n  }\n\n  /**\n   * Release the queue\n   * @return {int} size if any\n   */\n  release() {\n    let size = this.queueStore.size\n    this.logger('(release)', `Release was called ${size}`)\n    if (size > 0) {\n      const queue = Array.from(this.queueStore)\n      this.queueStore.clear()\n      this.logger('queue', queue)\n      queue.forEach(args => {\n        this.logger(args)\n        Reflect.apply(this.$trigger, this, args)\n      })\n      this.logger(`Release size ${this.queueStore.size}`)\n    }\n  }\n}\n","// break up the main file because its getting way too long\nimport {\n  NB_EVENT_SERVICE_PRIVATE_STORE,\n  NB_EVENT_SERVICE_PRIVATE_LAZY\n} from './store'\nimport genHaskKey from './hash-code'\nimport SuspendClass from './suspend'\n\nexport default class NbEventServiceBase extends SuspendClass {\n\n  constructor(config = {}) {\n    super()\n    if (config.logger && typeof config.logger === 'function') {\n      this.logger = config.logger;\n    }\n    this.keep = config.keep;\n    // for the $done setter\n    this.result = config.keep ? [] : null;\n    // we need to init the store first otherwise it could be a lot of checking later\n    this.normalStore = new Map()\n    this.lazyStore = new Map()\n  }\n\n  /**\n   * validate the event name(s)\n   * @param {string[]} evt event name\n   * @return {boolean} true when OK\n   */\n  validateEvt(...evt) {\n    evt.forEach(e => {\n      if (typeof e !== 'string') {\n        this.logger('(validateEvt)', e)\n        throw new Error(`event name must be string type!`)\n      }\n    })\n    return true;\n  }\n\n  /**\n   * Simple quick check on the two main parameters\n   * @param {string} evt event name\n   * @param {function} callback function to call\n   * @return {boolean} true when OK\n   */\n  validate(evt, callback) {\n    if (this.validateEvt(evt)) {\n      if (typeof callback === 'function') {\n        return true;\n      }\n    }\n    throw new Error(`callback required to be function type!`)\n  }\n\n  /**\n   * Check if this type is correct or not added in V1.5.0\n   * @param {string} type for checking\n   * @return {boolean} true on OK\n   */\n  validateType(type) {\n    const types = ['on', 'only', 'once', 'onlyOnce']\n    return !!types.filter(t => type === t).length;\n  }\n\n  /**\n   * Run the callback\n   * @param {function} callback function to execute\n   * @param {array} payload for callback\n   * @param {object} ctx context or null\n   * @return {void} the result store in $done\n   */\n  run(callback, payload, ctx) {\n    this.logger('(run)', callback, payload, ctx)\n    this.$done = Reflect.apply(callback, ctx, this.toArray(payload))\n  }\n\n  /**\n   * Take the content out and remove it from store id by the name\n   * @param {string} evt event name\n   * @param {string} [storeName = lazyStore] name of store\n   * @return {object|boolean} content or false on not found\n   */\n  takeFromStore(evt, storeName = 'lazyStore') {\n    let store = this[storeName]; // it could be empty at this point\n    if (store) {\n      this.logger('(takeFromStore)', storeName, store)\n      if (store.has(evt)) {\n        let content = store.get(evt)\n        this.logger('(takeFromStore)', `has ${evt}`, content)\n        store.delete(evt)\n        return content;\n      }\n      return false;\n    }\n    throw new Error(`${storeName} is not supported!`)\n  }\n\n  /**\n   * The add to store step is similar so make it generic for resuse\n   * @param {object} store which store to use\n   * @param {string} evt event name\n   * @param {spread} args because the lazy store and normal store store different things\n   * @return {array} store and the size of the store\n   */\n  addToStore(store, evt, ...args) {\n    let fnSet;\n    if (store.has(evt)) {\n      this.logger('(addToStore)', `${evt} existed`)\n      fnSet = store.get(evt)\n    } else {\n      this.logger('(addToStore)', `create new Set for ${evt}`)\n      // this is new\n      fnSet = new Set()\n    }\n    // lazy only store 2 items - this is not the case in V1.6.0 anymore\n    // we need to check the first parameter is string or not\n    if (args.length > 2) {\n      if (Array.isArray(args[0])) { // lazy store\n        // check if this type of this event already register in the lazy store\n        let [,,t] = args;\n        if (!this.checkTypeInLazyStore(evt, t)) {\n          fnSet.add(args)\n        }\n      } else {\n        if (!this.checkContentExist(args, fnSet)) {\n          this.logger('(addToStore)', `insert new`, args)\n          fnSet.add(args)\n        }\n      }\n    } else { // add straight to lazy store\n      fnSet.add(args)\n    }\n    store.set(evt, fnSet)\n    return [store, fnSet.size]\n  }\n\n  /**\n   * @param {array} args for compare\n   * @param {object} fnSet A Set to search from\n   * @return {boolean} true on exist\n   */\n  checkContentExist(args, fnSet) {\n    let list = Array.from(fnSet)\n    return !!list.filter(l => {\n      let [hash,] = l;\n      if (hash === args[0]) {\n        return true;\n      }\n      return false;\n    }).length;\n  }\n\n  /**\n   * get the existing type to make sure no mix type add to the same store\n   * @param {string} evtName event name\n   * @param {string} type the type to check\n   * @return {boolean} true you can add, false then you can't add this type\n   */\n  checkTypeInStore(evtName, type) {\n    this.validateEvt(evtName, type)\n    let all = this.$get(evtName, true)\n    if (all === false) {\n       // pristine it means you can add\n      return true;\n    }\n    // it should only have ONE type in ONE event store\n    return !all.filter(list => {\n      let [ ,,,t ] = list;\n      return type !== t;\n    }).length;\n  }\n\n  /**\n   * This is checking just the lazy store because the structure is different\n   * therefore we need to use a new method to check it\n   */\n  checkTypeInLazyStore(evtName, type) {\n    this.validateEvt(evtName, type)\n    let store = this.lazyStore.get(evtName)\n    this.logger('(checkTypeInLazyStore)', store)\n    if (store) {\n      return !!Array\n        .from(store)\n        .filter(l => {\n          let [,,t] = l;\n          return t !== type;\n        }).length\n    }\n    return false;\n  }\n\n  /**\n   * wrapper to re-use the addToStore,\n   * V1.3.0 add extra check to see if this type can add to this evt\n   * @param {string} evt event name\n   * @param {string} type on or once\n   * @param {function} callback function\n   * @param {object} context the context the function execute in or null\n   * @return {number} size of the store\n   */\n  addToNormalStore(evt, type, callback, context = null) {\n    this.logger('(addToNormalStore)', evt, type, 'try to add to normal store')\n    // @TODO we need to check the existing store for the type first!\n    if (this.checkTypeInStore(evt, type)) {\n      this.logger('(addToNormalStore)', `${type} can add to ${evt} normal store`)\n      let key = this.hashFnToKey(callback)\n      let args = [this.normalStore, evt, key, callback, context, type]\n      let [_store, size] = Reflect.apply(this.addToStore, this, args)\n      this.normalStore = _store;\n      return size;\n    }\n    return false;\n  }\n\n  /**\n   * Add to lazy store this get calls when the callback is not register yet\n   * so we only get a payload object or even nothing\n   * @param {string} evt event name\n   * @param {array} payload of arguments or empty if there is none\n   * @param {object} [context=null] the context the callback execute in\n   * @param {string} [type=false] register a type so no other type can add to this evt\n   * @return {number} size of the store\n   */\n  addToLazyStore(evt, payload = [], context = null, type = false) {\n    // this is add in V1.6.0\n    // when there is type then we will need to check if this already added in lazy store\n    // and no other type can add to this lazy store\n    let args = [this.lazyStore, evt, this.toArray(payload), context]\n    if (type) {\n      args.push(type)\n    }\n    let [_store, size] = Reflect.apply(this.addToStore, this, args)\n    this.lazyStore = _store;\n    return size;\n  }\n\n  /**\n   * make sure we store the argument correctly\n   * @param {*} arg could be array\n   * @return {array} make sured\n   */\n  toArray(arg) {\n    return Array.isArray(arg) ? arg : [arg];\n  }\n\n  /**\n   * setter to store the Set in private\n   * @param {object} obj a Set\n   */\n  set normalStore(obj) {\n    NB_EVENT_SERVICE_PRIVATE_STORE.set(this, obj)\n  }\n\n  /**\n   * @return {object} Set object\n   */\n  get normalStore() {\n    return NB_EVENT_SERVICE_PRIVATE_STORE.get(this)\n  }\n\n  /**\n   * setter to store the Set in lazy store\n   * @param {object} obj a Set\n   */\n  set lazyStore(obj) {\n    NB_EVENT_SERVICE_PRIVATE_LAZY.set(this , obj)\n  }\n\n  /**\n   * @return {object} the lazy store Set\n   */\n  get lazyStore() {\n    return NB_EVENT_SERVICE_PRIVATE_LAZY.get(this)\n  }\n\n  /**\n   * generate a hashKey to identify the function call\n   * The build-in store some how could store the same values!\n   * @param {function} fn the converted to string function\n   * @return {string} hashKey\n   */\n  hashFnToKey(fn) {\n    return genHaskKey(fn.toString()) + '';\n  }\n}\n","// The top level\nimport NbStoreService from './store-service'\n// export\nexport default class EventService extends NbStoreService {\n  /**\n   * class constructor\n   */\n  constructor(config = {}) {\n    super(config)\n  }\n\n  /**\n   * logger function for overwrite\n   */\n  logger() {}\n\n  //////////////////////////\n  //    PUBLIC METHODS    //\n  //////////////////////////\n\n  /**\n   * Register your evt handler, note we don't check the type here,\n   * we expect you to be sensible and know what you are doing.\n   * @param {string} evt name of event\n   * @param {function} callback bind method --> if it's array or not\n   * @param {object} [context=null] to execute this call in\n   * @return {number} the size of the store\n   */\n  $on(evt , callback , context = null) {\n    const type = 'on';\n    this.validate(evt, callback)\n    // first need to check if this evt is in lazy store\n    let lazyStoreContent = this.takeFromStore(evt)\n    // this is normal register first then call later\n    if (lazyStoreContent === false) {\n      this.logger('($on)', `${evt} callback is not in lazy store`)\n      // @TODO we need to check if there was other listener to this\n      // event and are they the same type then we could solve that\n      // register the different type to the same event name\n\n      return this.addToNormalStore(evt, type, callback, context)\n    }\n    this.logger('($on)', `${evt} found in lazy store`)\n    // this is when they call $trigger before register this callback\n    let size = 0;\n    lazyStoreContent.forEach(content => {\n      let [ payload, ctx, t ] = content;\n      if (t && t !== type) {\n        throw new Error(`You are trying to register an event already been taken by other type: ${t}`)\n      }\n      this.logger(`($on)`, `call run on ${evt}`)\n      this.run(callback, payload, context || ctx)\n      size += this.addToNormalStore(evt, type, callback, context || ctx)\n    })\n    return size;\n  }\n\n  /**\n   * once only registered it once, there is no overwrite option here\n   * @NOTE change in v1.3.0 $once can add multiple listeners\n   *       but once the event fired, it will remove this event (see $only)\n   * @param {string} evt name\n   * @param {function} callback to execute\n   * @param {object} [context=null] the handler execute in\n   * @return {boolean} result\n   */\n  $once(evt , callback , context = null) {\n    this.validate(evt, callback)\n    const type = 'once';\n    let lazyStoreContent = this.takeFromStore(evt)\n    // this is normal register before call $trigger\n    let nStore = this.normalStore;\n    if (lazyStoreContent === false) {\n      this.logger('($once)', `${evt} not in the lazy store`)\n      // v1.3.0 $once now allow to add multiple listeners\n      return this.addToNormalStore(evt, type, callback, context)\n    } else {\n      // now this is the tricky bit\n      // there is a potential bug here that cause by the developer\n      // if they call $trigger first, the lazy won't know it's a once call\n      // so if in the middle they register any call with the same evt name\n      // then this $once call will be fucked - add this to the documentation\n      this.logger('($once)', lazyStoreContent)\n      const list = Array.from(lazyStoreContent)\n      // should never have more than 1\n      const [ payload, ctx, t ] = list[0]\n      if (t && t !== type) {\n        throw new Error(`You are trying to register an event already been taken by other type: ${t}`)\n      }\n      this.logger('($once)', `call run for ${evt}`)\n      this.run(callback, payload, context || ctx)\n      // remove this evt from store\n      this.$off(evt)\n    }\n  }\n\n  /**\n   * This one event can only bind one callbackback\n   * @param {string} evt event name\n   * @param {function} callback event handler\n   * @param {object} [context=null] the context the event handler execute in\n   * @return {boolean} true bind for first time, false already existed\n   */\n  $only(evt, callback, context = null) {\n    this.validate(evt, callback)\n    const type = 'only';\n    let added = false;\n    let lazyStoreContent = this.takeFromStore(evt)\n    // this is normal register before call $trigger\n    let nStore = this.normalStore;\n    if (!nStore.has(evt)) {\n      this.logger(`($only)`, `${evt} add to store`)\n      added = this.addToNormalStore(evt, type, callback, context)\n    }\n    if (lazyStoreContent !== false) {\n      // there are data store in lazy store\n      this.logger('($only)', `${evt} found data in lazy store to execute`)\n      const list = Array.from(lazyStoreContent)\n      // $only allow to trigger this multiple time on the single handler\n      list.forEach( l => {\n        const [ payload, ctx, t ] = l;\n        if (t && t !== type) {\n          throw new Error(`You are trying to register an event already been taken by other type: ${t}`)\n        }\n        this.logger(`($only)`, `call run for ${evt}`)\n        this.run(callback, payload, context || ctx)\n      })\n    }\n    return added;\n  }\n\n  /**\n   * $only + $once this is because I found a very subtile bug when we pass a\n   * resolver, rejecter - and it never fire because that's OLD added in v1.4.0\n   * @param {string} evt event name\n   * @param {function} callback to call later\n   * @param {object} [context=null] exeucte context\n   * @return {void}\n   */\n  $onlyOnce(evt, callback, context = null) {\n    this.validate(evt, callback)\n    const type = 'onlyOnce';\n    let added = false;\n    let lazyStoreContent = this.takeFromStore(evt)\n    // this is normal register before call $trigger\n    let nStore = this.normalStore;\n    if (!nStore.has(evt)) {\n      this.logger(`($onlyOnce)`, `${evt} add to store`)\n      added = this.addToNormalStore(evt, type, callback, context)\n    }\n    if (lazyStoreContent !== false) {\n      // there are data store in lazy store\n      this.logger('($onlyOnce)', lazyStoreContent)\n      const list = Array.from(lazyStoreContent)\n      // should never have more than 1\n      const [ payload, ctx, t ] = list[0]\n      if (t && t !== 'onlyOnce') {\n        throw new Error(`You are trying to register an event already been taken by other type: ${t}`)\n      }\n      this.logger(`($onlyOnce)`, `call run for ${evt}`)\n      this.run(callback, payload, context || ctx)\n      // remove this evt from store\n      this.$off(evt)\n    }\n    return added;\n  }\n\n  /**\n   * This is a shorthand of $off + $on added in V1.5.0\n   * @param {string} evt event name\n   * @param {function} callback to exeucte\n   * @param {object} [context = null] or pass a string as type\n   * @param {string} [type=on] what type of method to replace\n   * @return {}\n   */\n  $replace(evt, callback, context = null, type = 'on') {\n    if (this.validateType(type)) {\n      this.$off(evt)\n      let method = this['$' + type]\n      this.logger(`($replace)`, evt, callback)\n      return Reflect.apply(method, this, [evt, callback, context])\n    }\n    throw new Error(`${type} is not supported!`)\n  }\n\n  /**\n   * trigger the event\n   * @param {string} evt name NOT allow array anymore!\n   * @param {mixed} [payload = []] pass to fn\n   * @param {object|string} [context = null] overwrite what stored\n   * @param {string} [type=false] if pass this then we need to add type to store too\n   * @return {number} if it has been execute how many times\n   */\n  $trigger(evt , payload = [] , context = null, type = false) {\n    this.validateEvt(evt)\n    let found = 0;\n    // first check the normal store\n    let nStore = this.normalStore;\n    this.logger('($trigger)', 'normalStore', nStore)\n    if (nStore.has(evt)) {\n      // @1.8.0 to add the suspend queue\n      let added = this.$queue(evt, payload, context, type)\n      this.logger('($trigger)', evt, 'found; add to queue: ', added)\n      if (added === true) {\n        this.logger('($trigger)', evt, 'not executed. Exit now.')\n        return false; // not executed\n      }\n      let nSet = Array.from(nStore.get(evt))\n      let ctn = nSet.length;\n      let hasOnce = false;\n      let hasOnly = false;\n      for (let i=0; i < ctn; ++i) {\n        ++found;\n        // this.logger('found', found)\n        let [ _, callback, ctx, type ] = nSet[i]\n        this.logger(`($trigger)`, `call run for ${evt}`)\n        this.run(callback, payload, context || ctx)\n        if (type === 'once' || type === 'onlyOnce') {\n          hasOnce = true;\n        }\n      }\n      if (hasOnce) {\n        nStore.delete(evt)\n      }\n      return found;\n    }\n    // now this is not register yet\n    this.addToLazyStore(evt, payload, context, type)\n    return found;\n  }\n\n  /**\n   * this is an alias to the $trigger\n   * @NOTE breaking change in V1.6.0 we swap the parameter around\n   * @param {string} evt event name\n   * @param {*} params pass to the callback\n   * @param {string} type of call\n   * @param {object} context what context callback execute in\n   * @return {*} from $trigger\n   */\n  $call(evt, params, type = false, context = null) {\n    let args = [evt, params, context, type]\n    return Reflect.apply(this.$trigger, this, args)\n  }\n\n  /**\n   * remove the evt from all the stores\n   * @param {string} evt name\n   * @return {boolean} true actually delete something\n   */\n  $off(evt) {\n    this.validateEvt(evt)\n    let stores = [ this.lazyStore, this.normalStore ]\n    let found = false;\n    stores.forEach(store => {\n      if (store.has(evt)) {\n        found = true;\n        this.logger('($off)', evt)\n        store.delete(evt)\n      }\n    })\n    return found;\n  }\n\n  /**\n   * return all the listener from the event\n   * @param {string} evtName event name\n   * @param {boolean} [full=false] if true then return the entire content\n   * @return {array|boolean} listerner(s) or false when not found\n   */\n  $get(evt, full = false) {\n    this.validateEvt(evt)\n    let store = this.normalStore;\n    if (store.has(evt)) {\n      return Array\n        .from(store.get(evt))\n        .map( l => {\n          if (full) {\n            return l;\n          }\n          let [key, callback, ] = l;\n          return callback;\n        })\n    }\n    return false;\n  }\n\n  /**\n   * store the return result from the run\n   * @param {*} value whatever return from callback\n   */\n  set $done(value) {\n    this.logger('($done)', 'value: ', value)\n    if (this.keep) {\n      this.result.push(value)\n    } else {\n      this.result = value;\n    }\n  }\n\n  /**\n   * @TODO is there any real use with the keep prop?\n   * getter for $done\n   * @return {*} whatever last store result\n   */\n  get $done() {\n    if (this.keep) {\n      this.logger('(get $done)', this.result)\n      return this.result[this.result.length - 1]\n    }\n    return this.result;\n  }\n\n\n}\n","// default\nimport NBEventService from './src/event-service'\n\nexport default NBEventService\n","// this will generate a event emitter and will be use everywhere\nimport NBEventService from 'nb-event-service'\n// output\nexport default function(debugOn) {\n  let logger = debugOn ? (...args) => {\n    args.unshift('[NBS]')\n    console.log.apply(null, args)\n  }: undefined;\n  return new NBEventService({ logger })\n}\n","// main export interface\nimport {\n  jsonqlAsync,\n  ee as getEventEmitter\n} from './src'\n// import { isContract } from './src/utils'\n\n/**\n * When pass a static contract then it return a static interface\n * otherwise it will become the async interface\n * @param {object} Fly the http engine\n * @param {object} config configuration\n * @return {object} jsonqlClient\n */\nexport default function jsonqlClient(Fly, config) {\n  const ee = getEventEmitter(config.debugOn)\n  return jsonqlAsync(ee, config, Fly)\n}\n","// this one will bring the fly.js in\n// also the built jsonql-client.umd.js together\n// init it @TODO placeholder this Fly import and switch using the NODE_ENV\n// because we are going to create one for wechat and one for node\n\nimport Fly from 'flyio/dist/npm/fly'\nimport jsonqlClient from './index'\n\nexport default function(config = {}) {\n  return jsonqlClient(Fly, config)\n}\n"],"names":[],"mappings":";;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CAAA;;;;;;;;;;;;;;;;;;;;;ACAA;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;CCAA;;;;;;;;;;;CCAA;;;;;;;;;CCAA;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;CCAA;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;CCAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;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\ No newline at end of file
diff --git a/packages/http-client/index.js b/packages/http-client/index.js
index 29a86c3dd03e500ab3c9e9b9def72f3a26564fdf..5f5c85b68263fe47ee6df0abf2d478176d14dc13 100644
--- a/packages/http-client/index.js
+++ b/packages/http-client/index.js
@@ -1,10 +1,9 @@
-// this one will use the esm module
-
 // main export interface
-
-// @2019-05-09 new interface export with Fetch
-import { jsonqlAsync, ee as getEventEmitter } from './src'
-import { isContract } from './src/utils'
+import {
+  jsonqlAsync,
+  ee as getEventEmitter
+} from './src'
+// import { isContract } from './src/utils'
 
 /**
  * When pass a static contract then it return a static interface
diff --git a/packages/http-client/opt.js b/packages/http-client/opt.js
new file mode 100644
index 0000000000000000000000000000000000000000..db617edbe95c66dbe6f7628774786e4559766b3b
--- /dev/null
+++ b/packages/http-client/opt.js
@@ -0,0 +1,21 @@
+// export the options for the pre-check to use
+import { preConfigCheck } from 'jsonql-utils/module'
+import { checkConfig } from 'jsonql-params-validator'
+import merge from 'lodash-es/merge'
+
+import { appProps, constProps } from './src/base-options'
+// just export the function here for use to save repeat coding
+
+/**
+ * This will combine the socket client options and merge this one
+ * then do a pre-check on both at the same time
+ * @param {object} [extraProps = {}]
+ * @param {object} [extraConstProps = {}]
+ * @return {function} to process the developer options
+ */
+export default function getCheckOptions(extraProps = {}, extraConstProps = {}) {
+  const aProps = merge({}, appProps, extraProps)
+  const cProps = merge({}, constProps, extraConstProps)
+
+  return preConfigCheck(aProps, cProps, checkConfig)
+}
diff --git a/packages/http-client/package.json b/packages/http-client/package.json
index 98b430a1d5ff7e790d6e92492a3e96a756c8a9c9..bb586e1f5d5021a97b70ef7e53bfcc393449b9e8 100755
--- a/packages/http-client/package.json
+++ b/packages/http-client/package.json
@@ -1,6 +1,6 @@
 {
   "name": "jsonql-client",
-  "version": "1.4.2",
+  "version": "1.4.3",
   "description": "jsonql http browser client using Fly.js",
   "main": "core.js",
   "module": "index.js",
@@ -13,7 +13,8 @@
     "index.js",
     "static.js",
     "module.js",
-    "sync.js"
+    "sync.js",
+    "opt.js"
   ],
   "scripts": {
     "test": "npm run build:test && npm run test:browser",
@@ -59,11 +60,11 @@
   "license": "MIT",
   "dependencies": {
     "flyio": "^0.6.14",
-    "jsonql-constants": "^1.8.10",
+    "jsonql-constants": "^1.8.12",
     "jsonql-errors": "^1.1.6",
     "jsonql-jwt": "^1.3.4",
     "jsonql-params-validator": "^1.4.11",
-    "jsonql-utils": "^0.8.5",
+    "jsonql-utils": "^0.8.9",
     "lodash-es": "^4.17.15",
     "nb-event-service": "^1.8.5",
     "store": "^2.0.12"
@@ -74,12 +75,12 @@
     "debug": "^4.1.1",
     "esm": "^3.2.25",
     "glob": "^7.1.6",
-    "jsonql-koa": "^1.4.15",
+    "jsonql-koa": "^1.4.19",
     "koa-favicon": "^2.0.1",
     "nyc": "^14.1.1",
     "promise-polyfill": "8.1.3",
     "qunit": "^2.9.3",
-    "rollup": "^1.27.4",
+    "rollup": "^1.27.5",
     "rollup-plugin-alias": "^2.2.0",
     "rollup-plugin-analyzer": "^3.2.2",
     "rollup-plugin-async": "^1.2.0",
diff --git a/packages/http-client/src/options/index.js b/packages/http-client/src/options/index.js
index cd452fd35ddb98de163928ad934f33d02af8216f..0fc6504219693a3fd4419cbf35ad0988ca5e1506 100644
--- a/packages/http-client/src/options/index.js
+++ b/packages/http-client/src/options/index.js
@@ -1,6 +1,17 @@
 // export interface
-import checkOptionsAsync from './check-options-async'
-import checkOptions from './check-options'
+import checkOptionsAsyncLocal from './check-options-async'
+import checkOptionsLocal from './check-options'
+import { CHECKED_KEY } from 'jsonql-constants'
+/**
+ * 1.5.0 overload the orginal functions to pass over the check
+ */
+function checkOptionsAsync(config) {
+  return config[CHECKED_KEY] ? config : checkOptionsAsyncLocal(config)
+}
+
+function checkOptions(config) {
+  return config[CHECKED_KEY] ? config : checkOptionsLocal(config)
+}
 
 export {
   checkOptionsAsync,
diff --git a/packages/http-client/static.js b/packages/http-client/static.js
index e40c44c66a1bb2af794c5ad9f3d6e873ac280c4b..27e54c4764b45f877b53b62cb0ca11a00b38d304 100644
--- a/packages/http-client/static.js
+++ b/packages/http-client/static.js
@@ -1,2 +1,2 @@
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ou(t){return t[s]?t:function(t){return Fo(t,nu,ru)}(t)}var iu=new WeakMap,au=new WeakMap;var uu=function(){this.__suspend__=null,this.queueStore=new Set},cu={$suspend:{configurable:!0},$queues:{configurable:!0}};cu.$suspend.set=function(t){var e=this;if("boolean"!=typeof t)throw new Error("$suspend only accept Boolean value!");var r=this.__suspend__;this.__suspend__=t,this.logger("($suspend)","Change from "+r+" --\x3e "+t),!0===r&&!1===t&&setTimeout((function(){e.release()}),1)},uu.prototype.$queue=function(){for(var t=[],e=arguments.length;e--;)t[e]=arguments[e];return!0===this.__suspend__&&(this.logger("($queue)","added to $queue",t),this.queueStore.add(t)),this.__suspend__},cu.$queues.get=function(){var t=this.queueStore.size;return this.logger("($queues)","size: "+t),t>0?Array.from(this.queueStore):[]},uu.prototype.release=function(){var t=this,e=this.queueStore.size;if(this.logger("(release)","Release was called "+e),e>0){var r=Array.from(this.queueStore);this.queueStore.clear(),this.logger("queue",r),r.forEach((function(e){t.logger(e),Reflect.apply(t.$trigger,t,e)})),this.logger("Release size "+this.queueStore.size)}},Object.defineProperties(uu.prototype,cu);var su=function(t){function e(e){void 0===e&&(e={}),t.call(this,e)}t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e;var r={$done:{configurable:!0}};return e.prototype.logger=function(){},e.prototype.$on=function(t,e,r){var n=this;void 0===r&&(r=null);this.validate(t,e);var o=this.takeFromStore(t);if(!1===o)return this.logger("($on)",t+" callback is not in lazy store"),this.addToNormalStore(t,"on",e,r);this.logger("($on)",t+" found in lazy store");var i=0;return o.forEach((function(o){var a=o[0],u=o[1],c=o[2];if(c&&"on"!==c)throw new Error("You are trying to register an event already been taken by other type: "+c);n.logger("($on)","call run on "+t),n.run(e,a,r||u),i+=n.addToNormalStore(t,"on",e,r||u)})),i},e.prototype.$once=function(t,e,r){void 0===r&&(r=null),this.validate(t,e);var n=this.takeFromStore(t);this.normalStore;if(!1===n)return this.logger("($once)",t+" not in the lazy store"),this.addToNormalStore(t,"once",e,r);this.logger("($once)",n);var o=Array.from(n)[0],i=o[0],a=o[1],u=o[2];if(u&&"once"!==u)throw new Error("You are trying to register an event already been taken by other type: "+u);this.logger("($once)","call run for "+t),this.run(e,i,r||a),this.$off(t)},e.prototype.$only=function(t,e,r){var n=this;void 0===r&&(r=null),this.validate(t,e);var o=!1,i=this.takeFromStore(t);(this.normalStore.has(t)||(this.logger("($only)",t+" add to store"),o=this.addToNormalStore(t,"only",e,r)),!1!==i)&&(this.logger("($only)",t+" found data in lazy store to execute"),Array.from(i).forEach((function(o){var i=o[0],a=o[1],u=o[2];if(u&&"only"!==u)throw new Error("You are trying to register an event already been taken by other type: "+u);n.logger("($only)","call run for "+t),n.run(e,i,r||a)})));return o},e.prototype.$onlyOnce=function(t,e,r){void 0===r&&(r=null),this.validate(t,e);var n=!1,o=this.takeFromStore(t);if(this.normalStore.has(t)||(this.logger("($onlyOnce)",t+" add to store"),n=this.addToNormalStore(t,"onlyOnce",e,r)),!1!==o){this.logger("($onlyOnce)",o);var i=Array.from(o)[0],a=i[0],u=i[1],c=i[2];if(c&&"onlyOnce"!==c)throw new Error("You are trying to register an event already been taken by other type: "+c);this.logger("($onlyOnce)","call run for "+t),this.run(e,a,r||u),this.$off(t)}return n},e.prototype.$replace=function(t,e,r,n){if(void 0===r&&(r=null),void 0===n&&(n="on"),this.validateType(n)){this.$off(t);var o=this["$"+n];return this.logger("($replace)",t,e),Reflect.apply(o,this,[t,e,r])}throw new Error(n+" is not supported!")},e.prototype.$trigger=function(t,e,r,n){void 0===e&&(e=[]),void 0===r&&(r=null),void 0===n&&(n=!1),this.validateEvt(t);var o=0,i=this.normalStore;if(this.logger("($trigger)","normalStore",i),i.has(t)){var a=this.$queue(t,e,r,n);if(this.logger("($trigger)",t,"found; add to queue: ",a),!0===a)return this.logger("($trigger)",t,"not executed. Exit now."),!1;for(var u=Array.from(i.get(t)),c=u.length,s=!1,f=0;f<c;++f){++o;var l=u[f],p=(l[0],l[1]),h=l[2],d=l[3];this.logger("($trigger)","call run for "+t),this.run(p,e,r||h),"once"!==d&&"onlyOnce"!==d||(s=!0)}return s&&i.delete(t),o}return this.addToLazyStore(t,e,r,n),o},e.prototype.$call=function(t,e,r,n){void 0===r&&(r=!1),void 0===n&&(n=null);var o=[t,e,n,r];return Reflect.apply(this.$trigger,this,o)},e.prototype.$off=function(t){var e=this;this.validateEvt(t);var r=[this.lazyStore,this.normalStore],n=!1;return r.forEach((function(r){r.has(t)&&(n=!0,e.logger("($off)",t),r.delete(t))})),n},e.prototype.$get=function(t,e){void 0===e&&(e=!1),this.validateEvt(t);var r=this.normalStore;return!!r.has(t)&&Array.from(r.get(t)).map((function(t){if(e)return t;t[0];return t[1]}))},r.$done.set=function(t){this.logger("($done)","value: ",t),this.keep?this.result.push(t):this.result=t},r.$done.get=function(){return this.keep?(this.logger("(get $done)",this.result),this.result[this.result.length-1]):this.result},Object.defineProperties(e.prototype,r),e}(function(t){function e(e){void 0===e&&(e={}),t.call(this),e.logger&&"function"==typeof e.logger&&(this.logger=e.logger),this.keep=e.keep,this.result=e.keep?[]:null,this.normalStore=new Map,this.lazyStore=new Map}t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e;var r={normalStore:{configurable:!0},lazyStore:{configurable:!0}};return e.prototype.validateEvt=function(){for(var t=this,e=[],r=arguments.length;r--;)e[r]=arguments[r];return e.forEach((function(e){if("string"!=typeof e)throw t.logger("(validateEvt)",e),new Error("event name must be string type!")})),!0},e.prototype.validate=function(t,e){if(this.validateEvt(t)&&"function"==typeof e)return!0;throw new Error("callback required to be function type!")},e.prototype.validateType=function(t){return!!["on","only","once","onlyOnce"].filter((function(e){return t===e})).length},e.prototype.run=function(t,e,r){this.logger("(run)",t,e,r),this.$done=Reflect.apply(t,r,this.toArray(e))},e.prototype.takeFromStore=function(t,e){void 0===e&&(e="lazyStore");var r=this[e];if(r){if(this.logger("(takeFromStore)",e,r),r.has(t)){var n=r.get(t);return this.logger("(takeFromStore)","has "+t,n),r.delete(t),n}return!1}throw new Error(e+" is not supported!")},e.prototype.addToStore=function(t,e){for(var r,n=[],o=arguments.length-2;o-- >0;)n[o]=arguments[o+2];if(t.has(e)?(this.logger("(addToStore)",e+" existed"),r=t.get(e)):(this.logger("(addToStore)","create new Set for "+e),r=new Set),n.length>2)if(Array.isArray(n[0])){var i=n[2];this.checkTypeInLazyStore(e,i)||r.add(n)}else this.checkContentExist(n,r)||(this.logger("(addToStore)","insert new",n),r.add(n));else r.add(n);return t.set(e,r),[t,r.size]},e.prototype.checkContentExist=function(t,e){return!!Array.from(e).filter((function(e){return e[0]===t[0]})).length},e.prototype.checkTypeInStore=function(t,e){this.validateEvt(t,e);var r=this.$get(t,!0);return!1===r||!r.filter((function(t){var r=t[3];return e!==r})).length},e.prototype.checkTypeInLazyStore=function(t,e){this.validateEvt(t,e);var r=this.lazyStore.get(t);return this.logger("(checkTypeInLazyStore)",r),!!r&&!!Array.from(r).filter((function(t){return t[2]!==e})).length},e.prototype.addToNormalStore=function(t,e,r,n){if(void 0===n&&(n=null),this.logger("(addToNormalStore)",t,e,"try to add to normal store"),this.checkTypeInStore(t,e)){this.logger("(addToNormalStore)",e+" can add to "+t+" normal store");var o=this.hashFnToKey(r),i=[this.normalStore,t,o,r,n,e],a=Reflect.apply(this.addToStore,this,i),u=a[0],c=a[1];return this.normalStore=u,c}return!1},e.prototype.addToLazyStore=function(t,e,r,n){void 0===e&&(e=[]),void 0===r&&(r=null),void 0===n&&(n=!1);var o=[this.lazyStore,t,this.toArray(e),r];n&&o.push(n);var i=Reflect.apply(this.addToStore,this,o),a=i[0],u=i[1];return this.lazyStore=a,u},e.prototype.toArray=function(t){return Array.isArray(t)?t:[t]},r.normalStore.set=function(t){iu.set(this,t)},r.normalStore.get=function(){return iu.get(this)},r.lazyStore.set=function(t){au.set(this,t)},r.lazyStore.get=function(){return au.get(this)},e.prototype.hashFnToKey=function(t){return t.toString().split("").reduce((function(t,e){return(t=(t<<5)-t+e.charCodeAt(0))&t}),0)+""},Object.defineProperties(e.prototype,r),e}(uu));return function(t,e){void 0===e&&(e={});var r,n=e.contract,o=ou(e),i=new eu(o,t),a=qi(i,n),u=(r=o.debugOn,new su({logger:r?function(){for(var t=[],e=arguments.length;e--;)t[e]=arguments[e];t.unshift("[NBS]"),console.log.apply(null,t)}:void 0})),c=Ni(i,o,a,u);return c.eventEmitter=u,c}}));
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diff --git a/packages/http-client/static.js.map b/packages/http-client/static.js.map
index 8eb2fd131d12c2c90410631f5371cb0862a4d70d..f89cd4cc4dbfecfc28db972e62655f1520845c6d 100644
--- a/packages/http-client/static.js.map
+++ b/packages/http-client/static.js.map
@@ -1 +1 @@
-{"version":3,"file":"static.js","sources":["node_modules/store/plugins/defaults.js","node_modules/store/plugins/expire.js"],"sourcesContent":["module.exports = defaultsPlugin\n\nfunction defaultsPlugin() {\n\tvar defaultValues = {}\n\t\n\treturn {\n\t\tdefaults: defaults,\n\t\tget: get\n\t}\n\t\n\tfunction defaults(_, values) {\n\t\tdefaultValues = values\n\t}\n\t\n\tfunction get(super_fn, key) {\n\t\tvar val = super_fn()\n\t\treturn (val !== undefined ? val : defaultValues[key])\n\t}\n}\n","var namespace = 'expire_mixin'\n\nmodule.exports = expirePlugin\n\nfunction expirePlugin() {\n\tvar expirations = this.createStore(this.storage, null, this._namespacePrefix+namespace)\n\t\n\treturn {\n\t\tset: expire_set,\n\t\tget: expire_get,\n\t\tremove: expire_remove,\n\t\tgetExpiration: getExpiration,\n\t\tremoveExpiredKeys: removeExpiredKeys\n\t}\n\t\n\tfunction expire_set(super_fn, key, val, expiration) {\n\t\tif (!this.hasNamespace(namespace)) {\n\t\t\texpirations.set(key, expiration)\n\t\t}\n\t\treturn super_fn()\n\t}\n\t\n\tfunction expire_get(super_fn, key) {\n\t\tif (!this.hasNamespace(namespace)) {\n\t\t\t_checkExpiration.call(this, key)\n\t\t}\n\t\treturn super_fn()\n\t}\n\t\n\tfunction expire_remove(super_fn, key) {\n\t\tif (!this.hasNamespace(namespace)) {\n\t\t\texpirations.remove(key)\n\t\t}\n\t\treturn super_fn()\n\t}\n\t\n\tfunction getExpiration(_, key) {\n\t\treturn expirations.get(key)\n\t}\n\t\n\tfunction removeExpiredKeys(_) {\n\t\tvar keys = []\n\t\tthis.each(function(val, key) {\n\t\t\tkeys.push(key)\n\t\t})\n\t\tfor (var i=0; i<keys.length; i++) {\n\t\t\t_checkExpiration.call(this, keys[i])\n\t\t}\n\t}\n\t\n\tfunction _checkExpiration(key) {\n\t\tvar expiration = expirations.get(key, Number.MAX_VALUE)\n\t\tif (expiration <= new Date().getTime()) {\n\t\t\tthis.raw.remove(key)\n\t\t\texpirations.remove(key)\n\t\t}\n\t}\n\t\n}\n"],"names":[],"mappings":"6w2CAAA,sHCAA"}
\ No newline at end of file
+{"version":3,"file":"static.js","sources":["node_modules/store/plugins/defaults.js","node_modules/store/plugins/expire.js"],"sourcesContent":["module.exports = defaultsPlugin\n\nfunction defaultsPlugin() {\n\tvar defaultValues = {}\n\t\n\treturn {\n\t\tdefaults: defaults,\n\t\tget: get\n\t}\n\t\n\tfunction defaults(_, values) {\n\t\tdefaultValues = values\n\t}\n\t\n\tfunction get(super_fn, key) {\n\t\tvar val = super_fn()\n\t\treturn (val !== undefined ? val : defaultValues[key])\n\t}\n}\n","var namespace = 'expire_mixin'\n\nmodule.exports = expirePlugin\n\nfunction expirePlugin() {\n\tvar expirations = this.createStore(this.storage, null, this._namespacePrefix+namespace)\n\t\n\treturn {\n\t\tset: expire_set,\n\t\tget: expire_get,\n\t\tremove: expire_remove,\n\t\tgetExpiration: getExpiration,\n\t\tremoveExpiredKeys: removeExpiredKeys\n\t}\n\t\n\tfunction expire_set(super_fn, key, val, expiration) {\n\t\tif (!this.hasNamespace(namespace)) {\n\t\t\texpirations.set(key, expiration)\n\t\t}\n\t\treturn super_fn()\n\t}\n\t\n\tfunction expire_get(super_fn, key) {\n\t\tif (!this.hasNamespace(namespace)) {\n\t\t\t_checkExpiration.call(this, key)\n\t\t}\n\t\treturn super_fn()\n\t}\n\t\n\tfunction expire_remove(super_fn, key) {\n\t\tif (!this.hasNamespace(namespace)) {\n\t\t\texpirations.remove(key)\n\t\t}\n\t\treturn super_fn()\n\t}\n\t\n\tfunction getExpiration(_, key) {\n\t\treturn expirations.get(key)\n\t}\n\t\n\tfunction removeExpiredKeys(_) {\n\t\tvar keys = []\n\t\tthis.each(function(val, key) {\n\t\t\tkeys.push(key)\n\t\t})\n\t\tfor (var i=0; i<keys.length; i++) {\n\t\t\t_checkExpiration.call(this, keys[i])\n\t\t}\n\t}\n\t\n\tfunction _checkExpiration(key) {\n\t\tvar expiration = expirations.get(key, Number.MAX_VALUE)\n\t\tif (expiration <= new Date().getTime()) {\n\t\t\tthis.raw.remove(key)\n\t\t\texpirations.remove(key)\n\t\t}\n\t}\n\t\n}\n"],"names":[],"mappings":"+x2CAAA,sHCAA"}
\ No newline at end of file
diff --git a/packages/utils/browser.js b/packages/utils/browser.js
index dbd4f3240dda9abfa56ebc778f768b7599d3d859..73a8b379ac89ffa0651b21d70ac928e47f8a67ae 100644
--- a/packages/utils/browser.js
+++ b/packages/utils/browser.js
@@ -1,2 +1,2 @@
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diff --git a/packages/utils/main.js b/packages/utils/main.js
index 5660ccaff83df30830a8a84e2a14d9b7f9ace8b2..2deb42d21eaaee5a712d7e3d2dc905fd37c2a91b 100644
--- a/packages/utils/main.js
+++ b/packages/utils/main.js
@@ -1,2 +1,2 @@
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t=processPayload(r,getMutationFromArgs);if(!1!==t)return t;throw new JsonqlValidationError("[getMutationArgs] Payload is malformed!",r)}var getCallMethod=function(r){var t=API_REQUEST_METHODS[0],e=API_REQUEST_METHODS[1];switch(!0){case r===t:return QUERY_NAME;case r===e:return MUTATION_NAME;default:return!1}},packResult=function(r,t){void 0===t&&(t=!1);var e={};return e[DATA_KEY]=r,t&&isArray(t)&&(t.push(timestamp()),e[TIMESTAMP_PARAM_NAME]=t),JSON.stringify(e)},isJsonqlErrorObj=function(r){return!!["detail","className"].filter((function(t){return isObjectHasKey(r,t)})).length&&["className","message","statusCode"].filter((function(t){return isObjectHasKey(r,t)})).map((function(t){var e;return(e={})[t]="object"==typeof r[t]?r[t].toString():r[t],e})).reduce(merge,{detail:r.toString()})},packError=function(r,t,e,n){var o;void 0===t&&(t="JsonqlError"),void 0===e&&(e=0),void 0===n&&(n="");var a={detail:r,className:t,statusCode:e,message:n};return 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0===e?this.length:e>>>0,r||(r=0),"number"==typeof r)for(a=t;a<e;++a)this[a]=r;else{var i=internalIsBuffer(r)?r:utf8ToBytes(new Buffer$2(r,n).toString()),s=i.length;for(a=0;a<e-t;++a)this[a+t]=i[a%s]}return this};var INVALID_BASE64_RE=/[^+\/0-9A-Za-z-_]/g;function base64clean(r){if((r=stringtrim(r).replace(INVALID_BASE64_RE,"")).length<2)return"";for(;r.length%4!=0;)r+="=";return r}function stringtrim(r){return r.trim?r.trim():r.replace(/^\s+|\s+$/g,"")}function toHex(r){return r<16?"0"+r.toString(16):r.toString(16)}function utf8ToBytes(r,t){var e;t=t||1/0;for(var n=r.length,o=null,a=[],i=0;i<n;++i){if((e=r.charCodeAt(i))>55295&&e<57344){if(!o){if(e>56319){(t-=3)>-1&&a.push(239,191,189);continue}if(i+1===n){(t-=3)>-1&&a.push(239,191,189);continue}o=e;continue}if(e<56320){(t-=3)>-1&&a.push(239,191,189),o=e;continue}e=65536+(o-55296<<10|e-56320)}else o&&(t-=3)>-1&&a.push(239,191,189);if(o=null,e<128){if((t-=1)<0)break;a.push(e)}else if(e<2048){if((t-=2)<0)break;a.push(e>>6|192,63&e|128)}else if(e<65536){if((t-=3)<0)break;a.push(e>>12|224,e>>6&63|128,63&e|128)}else{if(!(e<1114112))throw new Error("Invalid code point");if((t-=4)<0)break;a.push(e>>18|240,e>>12&63|128,e>>6&63|128,63&e|128)}}return a}function asciiToBytes(r){for(var t=[],e=0;e<r.length;++e)t.push(255&r.charCodeAt(e));return t}function utf16leToBytes(r,t){for(var e,n,o,a=[],i=0;i<r.length&&!((t-=2)<0);++i)n=(e=r.charCodeAt(i))>>8,o=e%256,a.push(o),a.push(n);return a}function base64ToBytes(r){return toByteArray(base64clean(r))}function blitBuffer(r,t,e,n){for(var o=0;o<n&&!(o+e>=t.length||o>=r.length);++o)t[o+e]=r[o];return o}function isnan(r){return r!=r}function isBuffer$1(r){return null!=r&&(!!r._isBuffer||isFastBuffer(r)||isSlowBuffer(r))}function isFastBuffer(r){return!!r.constructor&&"function"==typeof r.constructor.isBuffer&&r.constructor.isBuffer(r)}function isSlowBuffer(r){return"function"==typeof r.readFloatLE&&"function"==typeof r.slice&&isFastBuffer(r.slice(0,0))}function buff(r,t){return void 0===t&&(t=BASE64_FORMAT),isBuffer$1(r)?r:new Buffer$2.from(r,t)}var replaceErrors=function(r,t){if(t instanceof Error){var e={};return Object.getOwnPropertyNames(t).forEach((function(r){e[r]=t[r]})),e}return t},printError=function(r){return JSON.stringify(r,replaceErrors)};function findFromContract(r,t,e){return!!(e[r]&&e[r][t]&&e[r][t].file&&fs.existsSync(e[r][t].file))&&e[r][t].file}var DOT=".",getDocLen=function(r){return Buffer$2.byteLength(r,"utf8")},headerParser=function(r,t){try{var e=r.headers.accept.split(",");return t?e.filter((function(r){return r===t})):e}catch(r){return[]}},isHeaderPresent=function(r,t){return!!headerParser(r,t).length},getPathToFn=function(r,t,e){var n=e.resolverDir,o=dasherize(r),a=[];e.contract&&e.contract[t]&&e.contract[t].path&&a.push(e.contract[t].path),a.push(path.join(n,t,o,[INDEX_KEY,EXT].join(DOT))),a.push(path.join(n,t,[o,EXT].join(DOT)));for(var i=a.length,s=0;s<i;++s)if(fs.existsSync(a[s]))return a[s];return!1},isJsonqlPath=function(r,t){return r.path===t.jsonqlPath},isJsonqlRequest=function(r,t){return!!isHeaderPresent(r.request,t.contentType)&&isJsonqlPath(r,t)},isJsonqlConsoleUrl=function(r,t){return"GET"===r.method&&isJsonqlPath(r,t)},handleOutput=function(r){return function(t,e){t.size=getDocLen(e),t.type=r.contentType,t.status=SUCCESS_STATUS,t.body=e}},handleHtmlOutput=function(r,t){r.size=getDocLen(t),r.type="text/html",r.status=SUCCESS_STATUS,r.body=t+""},ctxErrorHandler=function(r,t,e,n){void 0===n&&(n="");var o,a=handleOutput({contentType:CONTENT_TYPE});return"string"==typeof t?t=jsonqlErrors[o=t]?jsonqlErrors[o].statusCode:-1:o=getErrorByStatus(t),!n&&e&&e.message&&(n=e.message),a(r,packError(e,o,t,n))},forbiddenHandler=function(r,t){return ctxErrorHandler(r,FORBIDDEN_STATUS,t,"JsonqlAuthorisationError")};exports.VERSION=VERSION,exports.buff=buff,exports.cacheBurst=cacheBurst,exports.cacheBurstUrl=cacheBurstUrl,exports.chainFns=chainFns,exports.chainPromises=chainPromises,exports.createEvt=createEvt,exports.createMutation=createMutation,exports.createMutationStr=createMutationStr,exports.createQuery=createQuery,exports.createQueryStr=createQueryStr,exports.ctxErrorHandler=ctxErrorHandler,exports.dasherize=dasherize,exports.extractArgsFromPayload=extractArgsFromPayload,exports.extractParamsFromContract=extractParamsFromContract,exports.extractSocketPart=extractSocketPart,exports.findFromContract=findFromContract,exports.forbiddenHandler=forbiddenHandler,exports.formatPayload=formatPayload,exports.getCallMethod=getCallMethod,exports.getConfigValue=getConfigValue,exports.getDocLen=getDocLen,exports.getMutationFromArgs=getMutationFromArgs,exports.getMutationFromPayload=getMutationFromPayload,exports.getNameFromPayload=getNameFromPayload,exports.getNamespaceInOrder=getNamespaceInOrder,exports.getPathToFn=getPathToFn,exports.getQueryFromArgs=getQueryFromArgs,exports.getQueryFromPayload=getQueryFromPayload,exports.groupByNamespace=groupByNamespace,exports.handleHtmlOutput=handleHtmlOutput,exports.handleOutput=handleOutput,exports.headerParser=headerParser,exports.inArray=inArray,exports.injectToFn=injectToFn,exports.isContract=isContract,exports.isHeaderPresent=isHeaderPresent,exports.isJsonqlConsoleUrl=isJsonqlConsoleUrl,exports.isJsonqlErrorObj=isJsonqlErrorObj,exports.isJsonqlPath=isJsonqlPath,exports.isJsonqlRequest=isJsonqlRequest,exports.isNotEmpty=isNotEmpty,exports.isObjectHasKey=isObjectHasKey,exports.objDefineProps=objDefineProps,exports.objHasProp=objHasProp,exports.packError=packError,exports.packResult=packResult,exports.preConfigCheck=preConfigCheck,exports.printError=printError,exports.replaceErrors=replaceErrors,exports.resultHandler=resultHandler,exports.timestamp=timestamp,exports.toArray=toArray,exports.toJson=toJson,exports.toPayload=toPayload,exports.urlParams=urlParams;
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e={statusCode:{configurable:!0},name:{configurable:!0}};return e.statusCode.get=function(){return 500},e.name.get=function(){return"Jsonql500Error"},Object.defineProperties(t,e),t}(Error),JsonqlAuthorisationError=function(r){function t(){for(var e=[],n=arguments.length;n--;)e[n]=arguments[n];r.apply(this,e),this.message=e[0],this.detail=e[1],this.className=t.name,r.captureStackTrace&&r.captureStackTrace(this,t)}r&&(t.__proto__=r),t.prototype=Object.create(r&&r.prototype),t.prototype.constructor=t;var e={statusCode:{configurable:!0},name:{configurable:!0}};return e.statusCode.get=function(){return 401},e.name.get=function(){return"JsonqlAuthorisationError"},Object.defineProperties(t,e),t}(Error),JsonqlContractAuthError=function(r){function t(){for(var 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t=r.error,e=t.className,n=t.name,o=e||n,a=t.message||NO_ERROR_MSG,i=t.detail||t;if(o&&errors[o])throw new errors[e](a,i);throw new JsonqlError$1(a,i)}return r}var UNKNOWN_ERROR="unknown";function mapErrToName(r,t){return r.filter((function(r){return t instanceof r})).map((function(r){return r.name}))}function getErrorNameByInstance(r,t){var e=mapErrToName(r,t);return e.length?e[0]:UNKNOWN_ERROR}function getErrorNameByInstanceWithDefault(r,t){var e=getErrorNameByInstance(r,t);return e===UNKNOWN_ERROR?"JsonqlError":e}function finalCatch(r){if(Array.isArray(r))throw new JsonqlValidationError("",r);var t=r.message||NO_ERROR_MSG,e=r.detail||r;switch(!0){case r instanceof Jsonql406Error:throw new Jsonql406Error(t,e);case r instanceof Jsonql500Error:throw new Jsonql500Error(t,e);case r instanceof JsonqlAuthorisationError:throw new JsonqlAuthorisationError(t,e);case r instanceof JsonqlContractAuthError:throw new JsonqlContractAuthError(t,e);case r instanceof JsonqlResolverAppError:throw new 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JSONQL_ERRORS_INFO="__PLACEHOLDER__",jsonqlErrors=Object.freeze({__proto__:null,JSONQL_ERRORS_INFO:JSONQL_ERRORS_INFO,UNKNOWN_ERROR:UNKNOWN_ERROR,getErrorByStatus:getErrorByStatus,clientErrorsHandler:clientErrorsHandler,finalCatch:finalCatch,getErrorNameByInstance:getErrorNameByInstance,getErrorNameByInstanceWithDefault:getErrorNameByInstanceWithDefault,Jsonql406Error:Jsonql406Error,Jsonql500Error:Jsonql500Error,JsonqlAuthorisationError:JsonqlAuthorisationError,JsonqlContractAuthError:JsonqlContractAuthError,JsonqlResolverAppError:JsonqlResolverAppError,JsonqlResolverNotFoundError:JsonqlResolverNotFoundError,JsonqlEnumError:JsonqlEnumError,JsonqlTypeError:JsonqlTypeError,JsonqlCheckerError:JsonqlCheckerError,JsonqlValidationError:JsonqlValidationError,JsonqlError:JsonqlError,JsonqlServerError:JsonqlServerError});function checkIsContract(r){return isPlainObject(r)&&(isObjectHasKey(r,QUERY_NAME)||isObjectHasKey(r,MUTATION_NAME)||isObjectHasKey(r,SOCKET_NAME))}function isContract(r){return!!checkIsContract(r)&&r}function extractSocketPart(r){return!!isObjectHasKey(r,"socket")&&r.socket}function groupByNamespace(r,t){void 0===t&&(t=!1);var e=extractSocketPart(r);if(!1===e){if(t)return r;throw new JsonqlError("socket not found in contract!")}var n,o={},a=0;for(var i in e){var s=e[i],u=s.namespace;u&&(o[u]||(++a,o[u]={}),o[u][i]=s,n||s.public&&(n=u))}return{size:a,nspSet:o,publicNamespace:n}}function getNamespaceInOrder(r,t){var e=[];for(var n in r)n===t?e[1]=n:e[0]=n;return e}function extractArgsFromPayload(r,t){switch(t){case QUERY_NAME:return r[QUERY_ARG_NAME];case MUTATION_NAME:return[r[PAYLOAD_PARAM_NAME],r[CONDITION_PARAM_NAME]];default:throw new JsonqlError("Unknown "+t+" to extract argument from!")}}function extractParamsFromContract(r,t,e){try{var n=r[t][e];if(!n)throw new JsonqlResolverNotFoundError(e,t);return n}catch(r){throw new JsonqlResolverNotFoundError(e,r)}}var stringTag$1="[object String]";function isString(r){return"string"==typeof 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t=processPayload(r,getMutationFromArgs);if(!1!==t)return t;throw new JsonqlValidationError("[getMutationArgs] Payload is malformed!",r)}var getCallMethod=function(r){var t=API_REQUEST_METHODS[0],e=API_REQUEST_METHODS[1];switch(!0){case r===t:return QUERY_NAME;case r===e:return MUTATION_NAME;default:return!1}},packResult=function(r,t){void 0===t&&(t=!1);var e={};return e[DATA_KEY]=r,t&&isArray(t)&&(t.push(timestamp()),e[TIMESTAMP_PARAM_NAME]=t),JSON.stringify(e)},isJsonqlErrorObj=function(r){return!!["detail","className"].filter((function(t){return isObjectHasKey(r,t)})).length&&["className","message","statusCode"].filter((function(t){return isObjectHasKey(r,t)})).map((function(t){var e;return(e={})[t]="object"==typeof r[t]?r[t].toString():r[t],e})).reduce(merge,{detail:r.toString()})},packError=function(r,t,e,n){var o;void 0===t&&(t="JsonqlError"),void 0===e&&(e=0),void 0===n&&(n="");var a={detail:r,className:t,statusCode:e,message:n};return 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e?(n=e,e=0):e>2147483647?e=2147483647:e<-2147483648&&(e=-2147483648),e=+e,isNaN(e)&&(e=o?0:r.length-1),e<0&&(e=r.length+e),e>=r.length){if(o)return-1;e=r.length-1}else if(e<0){if(!o)return-1;e=0}if("string"==typeof t&&(t=Buffer$2.from(t,n)),internalIsBuffer(t))return 0===t.length?-1:arrayIndexOf(r,t,e,n,o);if("number"==typeof t)return t&=255,Buffer$2.TYPED_ARRAY_SUPPORT&&"function"==typeof Uint8Array.prototype.indexOf?o?Uint8Array.prototype.indexOf.call(r,t,e):Uint8Array.prototype.lastIndexOf.call(r,t,e):arrayIndexOf(r,[t],e,n,o);throw new TypeError("val must be string, number or Buffer")}function arrayIndexOf(r,t,e,n,o){var a,i=1,s=r.length,u=t.length;if(void 0!==n&&("ucs2"===(n=String(n).toLowerCase())||"ucs-2"===n||"utf16le"===n||"utf-16le"===n)){if(r.length<2||t.length<2)return-1;i=2,s/=2,u/=2,e/=2}function f(r,t){return 1===i?r[t]:r.readUInt16BE(t*i)}if(o){var c=-1;for(a=e;a<s;a++)if(f(r,a)===f(t,-1===c?0:a-c)){if(-1===c&&(c=a),a-c+1===u)return c*i}else-1!==c&&(a-=a-c),c=-1}else for(e+u>s&&(e=s-u),a=e;a>=0;a--){for(var l=!0,p=0;p<u;p++)if(f(r,a+p)!==f(t,p)){l=!1;break}if(l)return a}return-1}function hexWrite(r,t,e,n){e=Number(e)||0;var o=r.length-e;n?(n=Number(n))>o&&(n=o):n=o;var a=t.length;if(a%2!=0)throw new TypeError("Invalid hex string");n>a/2&&(n=a/2);for(var i=0;i<n;++i){var s=parseInt(t.substr(2*i,2),16);if(isNaN(s))return i;r[e+i]=s}return i}function utf8Write(r,t,e,n){return blitBuffer(utf8ToBytes(t,r.length-e),r,e,n)}function asciiWrite(r,t,e,n){return blitBuffer(asciiToBytes(t),r,e,n)}function latin1Write(r,t,e,n){return asciiWrite(r,t,e,n)}function base64Write(r,t,e,n){return blitBuffer(base64ToBytes(t),r,e,n)}function ucs2Write(r,t,e,n){return blitBuffer(utf16leToBytes(t,r.length-e),r,e,n)}function base64Slice(r,t,e){return 0===t&&e===r.length?fromByteArray(r):fromByteArray(r.slice(t,e))}function utf8Slice(r,t,e){e=Math.min(r.length,e);for(var n=[],o=t;o<e;){var a,i,s,u,f=r[o],c=null,l=f>239?4:f>223?3:f>191?2:1;if(o+l<=e)switch(l){case 1:f<128&&(c=f);break;case 2:128==(192&(a=r[o+1]))&&(u=(31&f)<<6|63&a)>127&&(c=u);break;case 3:a=r[o+1],i=r[o+2],128==(192&a)&&128==(192&i)&&(u=(15&f)<<12|(63&a)<<6|63&i)>2047&&(u<55296||u>57343)&&(c=u);break;case 4:a=r[o+1],i=r[o+2],s=r[o+3],128==(192&a)&&128==(192&i)&&128==(192&s)&&(u=(15&f)<<18|(63&a)<<12|(63&i)<<6|63&s)>65535&&u<1114112&&(c=u)}null===c?(c=65533,l=1):c>65535&&(c-=65536,n.push(c>>>10&1023|55296),c=56320|1023&c),n.push(c),o+=l}return decodeCodePointsArray(n)}Buffer$2.TYPED_ARRAY_SUPPORT=void 0===global$1.TYPED_ARRAY_SUPPORT||global$1.TYPED_ARRAY_SUPPORT,Buffer$2.poolSize=8192,Buffer$2._augment=function(r){return r.__proto__=Buffer$2.prototype,r},Buffer$2.from=function(r,t,e){return from(null,r,t,e)},Buffer$2.TYPED_ARRAY_SUPPORT&&(Buffer$2.prototype.__proto__=Uint8Array.prototype,Buffer$2.__proto__=Uint8Array),Buffer$2.alloc=function(r,t,e){return alloc(null,r,t,e)},Buffer$2.allocUnsafe=function(r){return 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")),"<Buffer "+r+">"},Buffer$2.prototype.compare=function(r,t,e,n,o){if(!internalIsBuffer(r))throw new TypeError("Argument must be a Buffer");if(void 0===t&&(t=0),void 0===e&&(e=r?r.length:0),void 0===n&&(n=0),void 0===o&&(o=this.length),t<0||e>r.length||n<0||o>this.length)throw new RangeError("out of range index");if(n>=o&&t>=e)return 0;if(n>=o)return-1;if(t>=e)return 1;if(this===r)return 0;for(var a=(o>>>=0)-(n>>>=0),i=(e>>>=0)-(t>>>=0),s=Math.min(a,i),u=this.slice(n,o),f=r.slice(t,e),c=0;c<s;++c)if(u[c]!==f[c]){a=u[c],i=f[c];break}return a<i?-1:i<a?1:0},Buffer$2.prototype.includes=function(r,t,e){return-1!==this.indexOf(r,t,e)},Buffer$2.prototype.indexOf=function(r,t,e){return bidirectionalIndexOf(this,r,t,e,!0)},Buffer$2.prototype.lastIndexOf=function(r,t,e){return bidirectionalIndexOf(this,r,t,e,!1)},Buffer$2.prototype.write=function(r,t,e,n){if(void 0===t)n="utf8",e=this.length,t=0;else if(void 0===e&&"string"==typeof t)n=t,e=this.length,t=0;else{if(!isFinite(t))throw new 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e="",n=0;n<t;)e+=String.fromCharCode.apply(String,r.slice(n,n+=MAX_ARGUMENTS_LENGTH));return e}function asciiSlice(r,t,e){var n="";e=Math.min(r.length,e);for(var o=t;o<e;++o)n+=String.fromCharCode(127&r[o]);return n}function latin1Slice(r,t,e){var n="";e=Math.min(r.length,e);for(var o=t;o<e;++o)n+=String.fromCharCode(r[o]);return n}function hexSlice(r,t,e){var n=r.length;(!t||t<0)&&(t=0),(!e||e<0||e>n)&&(e=n);for(var o="",a=t;a<e;++a)o+=toHex(r[a]);return o}function utf16leSlice(r,t,e){for(var n=r.slice(t,e),o="",a=0;a<n.length;a+=2)o+=String.fromCharCode(n[a]+256*n[a+1]);return o}function checkOffset(r,t,e){if(r%1!=0||r<0)throw new RangeError("offset is not uint");if(r+t>e)throw new RangeError("Trying to access beyond buffer length")}function checkInt(r,t,e,n,o,a){if(!internalIsBuffer(r))throw new TypeError('"buffer" argument must be a Buffer instance');if(t>o||t<a)throw new RangeError('"value" argument is out of bounds');if(e+n>r.length)throw new RangeError("Index out of range")}function objectWriteUInt16(r,t,e,n){t<0&&(t=65535+t+1);for(var o=0,a=Math.min(r.length-e,2);o<a;++o)r[e+o]=(t&255<<8*(n?o:1-o))>>>8*(n?o:1-o)}function objectWriteUInt32(r,t,e,n){t<0&&(t=4294967295+t+1);for(var o=0,a=Math.min(r.length-e,4);o<a;++o)r[e+o]=t>>>8*(n?o:3-o)&255}function checkIEEE754(r,t,e,n,o,a){if(e+n>r.length)throw new RangeError("Index out of range");if(e<0)throw new RangeError("Index out of range")}function writeFloat(r,t,e,n,o){return o||checkIEEE754(r,t,e,4),write(r,t,e,n,23,4),e+4}function writeDouble(r,t,e,n,o){return o||checkIEEE754(r,t,e,8),write(r,t,e,n,52,8),e+8}Buffer$2.prototype.slice=function(r,t){var e,n=this.length;if((r=~~r)<0?(r+=n)<0&&(r=0):r>n&&(r=n),(t=void 0===t?n:~~t)<0?(t+=n)<0&&(t=0):t>n&&(t=n),t<r&&(t=r),Buffer$2.TYPED_ARRAY_SUPPORT)(e=this.subarray(r,t)).__proto__=Buffer$2.prototype;else{var o=t-r;e=new Buffer$2(o,void 0);for(var a=0;a<o;++a)e[a]=this[a+r]}return e},Buffer$2.prototype.readUIntLE=function(r,t,e){r|=0,t|=0,e||checkOffset(r,t,this.length);for(var n=this[r],o=1,a=0;++a<t&&(o*=256);)n+=this[r+a]*o;return n},Buffer$2.prototype.readUIntBE=function(r,t,e){r|=0,t|=0,e||checkOffset(r,t,this.length);for(var n=this[r+--t],o=1;t>0&&(o*=256);)n+=this[r+--t]*o;return n},Buffer$2.prototype.readUInt8=function(r,t){return t||checkOffset(r,1,this.length),this[r]},Buffer$2.prototype.readUInt16LE=function(r,t){return t||checkOffset(r,2,this.length),this[r]|this[r+1]<<8},Buffer$2.prototype.readUInt16BE=function(r,t){return t||checkOffset(r,2,this.length),this[r]<<8|this[r+1]},Buffer$2.prototype.readUInt32LE=function(r,t){return t||checkOffset(r,4,this.length),(this[r]|this[r+1]<<8|this[r+2]<<16)+16777216*this[r+3]},Buffer$2.prototype.readUInt32BE=function(r,t){return t||checkOffset(r,4,this.length),16777216*this[r]+(this[r+1]<<16|this[r+2]<<8|this[r+3])},Buffer$2.prototype.readIntLE=function(r,t,e){r|=0,t|=0,e||checkOffset(r,t,this.length);for(var n=this[r],o=1,a=0;++a<t&&(o*=256);)n+=this[r+a]*o;return n>=(o*=128)&&(n-=Math.pow(2,8*t)),n},Buffer$2.prototype.readIntBE=function(r,t,e){r|=0,t|=0,e||checkOffset(r,t,this.length);for(var n=t,o=1,a=this[r+--n];n>0&&(o*=256);)a+=this[r+--n]*o;return a>=(o*=128)&&(a-=Math.pow(2,8*t)),a},Buffer$2.prototype.readInt8=function(r,t){return t||checkOffset(r,1,this.length),128&this[r]?-1*(255-this[r]+1):this[r]},Buffer$2.prototype.readInt16LE=function(r,t){t||checkOffset(r,2,this.length);var e=this[r]|this[r+1]<<8;return 32768&e?4294901760|e:e},Buffer$2.prototype.readInt16BE=function(r,t){t||checkOffset(r,2,this.length);var e=this[r+1]|this[r]<<8;return 32768&e?4294901760|e:e},Buffer$2.prototype.readInt32LE=function(r,t){return t||checkOffset(r,4,this.length),this[r]|this[r+1]<<8|this[r+2]<<16|this[r+3]<<24},Buffer$2.prototype.readInt32BE=function(r,t){return t||checkOffset(r,4,this.length),this[r]<<24|this[r+1]<<16|this[r+2]<<8|this[r+3]},Buffer$2.prototype.readFloatLE=function(r,t){return t||checkOffset(r,4,this.length),read(this,r,!0,23,4)},Buffer$2.prototype.readFloatBE=function(r,t){return t||checkOffset(r,4,this.length),read(this,r,!1,23,4)},Buffer$2.prototype.readDoubleLE=function(r,t){return t||checkOffset(r,8,this.length),read(this,r,!0,52,8)},Buffer$2.prototype.readDoubleBE=function(r,t){return t||checkOffset(r,8,this.length),read(this,r,!1,52,8)},Buffer$2.prototype.writeUIntLE=function(r,t,e,n){(r=+r,t|=0,e|=0,n)||checkInt(this,r,t,e,Math.pow(2,8*e)-1,0);var o=1,a=0;for(this[t]=255&r;++a<e&&(o*=256);)this[t+a]=r/o&255;return t+e},Buffer$2.prototype.writeUIntBE=function(r,t,e,n){(r=+r,t|=0,e|=0,n)||checkInt(this,r,t,e,Math.pow(2,8*e)-1,0);var o=e-1,a=1;for(this[t+o]=255&r;--o>=0&&(a*=256);)this[t+o]=r/a&255;return t+e},Buffer$2.prototype.writeUInt8=function(r,t,e){return r=+r,t|=0,e||checkInt(this,r,t,1,255,0),Buffer$2.TYPED_ARRAY_SUPPORT||(r=Math.floor(r)),this[t]=255&r,t+1},Buffer$2.prototype.writeUInt16LE=function(r,t,e){return r=+r,t|=0,e||checkInt(this,r,t,2,65535,0),Buffer$2.TYPED_ARRAY_SUPPORT?(this[t]=255&r,this[t+1]=r>>>8):objectWriteUInt16(this,r,t,!0),t+2},Buffer$2.prototype.writeUInt16BE=function(r,t,e){return r=+r,t|=0,e||checkInt(this,r,t,2,65535,0),Buffer$2.TYPED_ARRAY_SUPPORT?(this[t]=r>>>8,this[t+1]=255&r):objectWriteUInt16(this,r,t,!1),t+2},Buffer$2.prototype.writeUInt32LE=function(r,t,e){return r=+r,t|=0,e||checkInt(this,r,t,4,4294967295,0),Buffer$2.TYPED_ARRAY_SUPPORT?(this[t+3]=r>>>24,this[t+2]=r>>>16,this[t+1]=r>>>8,this[t]=255&r):objectWriteUInt32(this,r,t,!0),t+4},Buffer$2.prototype.writeUInt32BE=function(r,t,e){return r=+r,t|=0,e||checkInt(this,r,t,4,4294967295,0),Buffer$2.TYPED_ARRAY_SUPPORT?(this[t]=r>>>24,this[t+1]=r>>>16,this[t+2]=r>>>8,this[t+3]=255&r):objectWriteUInt32(this,r,t,!1),t+4},Buffer$2.prototype.writeIntLE=function(r,t,e,n){if(r=+r,t|=0,!n){var o=Math.pow(2,8*e-1);checkInt(this,r,t,e,o-1,-o)}var a=0,i=1,s=0;for(this[t]=255&r;++a<e&&(i*=256);)r<0&&0===s&&0!==this[t+a-1]&&(s=1),this[t+a]=(r/i>>0)-s&255;return t+e},Buffer$2.prototype.writeIntBE=function(r,t,e,n){if(r=+r,t|=0,!n){var o=Math.pow(2,8*e-1);checkInt(this,r,t,e,o-1,-o)}var a=e-1,i=1,s=0;for(this[t+a]=255&r;--a>=0&&(i*=256);)r<0&&0===s&&0!==this[t+a+1]&&(s=1),this[t+a]=(r/i>>0)-s&255;return t+e},Buffer$2.prototype.writeInt8=function(r,t,e){return r=+r,t|=0,e||checkInt(this,r,t,1,127,-128),Buffer$2.TYPED_ARRAY_SUPPORT||(r=Math.floor(r)),r<0&&(r=255+r+1),this[t]=255&r,t+1},Buffer$2.prototype.writeInt16LE=function(r,t,e){return r=+r,t|=0,e||checkInt(this,r,t,2,32767,-32768),Buffer$2.TYPED_ARRAY_SUPPORT?(this[t]=255&r,this[t+1]=r>>>8):objectWriteUInt16(this,r,t,!0),t+2},Buffer$2.prototype.writeInt16BE=function(r,t,e){return r=+r,t|=0,e||checkInt(this,r,t,2,32767,-32768),Buffer$2.TYPED_ARRAY_SUPPORT?(this[t]=r>>>8,this[t+1]=255&r):objectWriteUInt16(this,r,t,!1),t+2},Buffer$2.prototype.writeInt32LE=function(r,t,e){return r=+r,t|=0,e||checkInt(this,r,t,4,2147483647,-2147483648),Buffer$2.TYPED_ARRAY_SUPPORT?(this[t]=255&r,this[t+1]=r>>>8,this[t+2]=r>>>16,this[t+3]=r>>>24):objectWriteUInt32(this,r,t,!0),t+4},Buffer$2.prototype.writeInt32BE=function(r,t,e){return r=+r,t|=0,e||checkInt(this,r,t,4,2147483647,-2147483648),r<0&&(r=4294967295+r+1),Buffer$2.TYPED_ARRAY_SUPPORT?(this[t]=r>>>24,this[t+1]=r>>>16,this[t+2]=r>>>8,this[t+3]=255&r):objectWriteUInt32(this,r,t,!1),t+4},Buffer$2.prototype.writeFloatLE=function(r,t,e){return writeFloat(this,r,t,!0,e)},Buffer$2.prototype.writeFloatBE=function(r,t,e){return writeFloat(this,r,t,!1,e)},Buffer$2.prototype.writeDoubleLE=function(r,t,e){return writeDouble(this,r,t,!0,e)},Buffer$2.prototype.writeDoubleBE=function(r,t,e){return writeDouble(this,r,t,!1,e)},Buffer$2.prototype.copy=function(r,t,e,n){if(e||(e=0),n||0===n||(n=this.length),t>=r.length&&(t=r.length),t||(t=0),n>0&&n<e&&(n=e),n===e)return 0;if(0===r.length||0===this.length)return 0;if(t<0)throw new RangeError("targetStart out of bounds");if(e<0||e>=this.length)throw new RangeError("sourceStart out of bounds");if(n<0)throw new RangeError("sourceEnd out of bounds");n>this.length&&(n=this.length),r.length-t<n-e&&(n=r.length-t+e);var o,a=n-e;if(this===r&&e<t&&t<n)for(o=a-1;o>=0;--o)r[o+t]=this[o+e];else if(a<1e3||!Buffer$2.TYPED_ARRAY_SUPPORT)for(o=0;o<a;++o)r[o+t]=this[o+e];else Uint8Array.prototype.set.call(r,this.subarray(e,e+a),t);return a},Buffer$2.prototype.fill=function(r,t,e,n){if("string"==typeof r){if("string"==typeof t?(n=t,t=0,e=this.length):"string"==typeof e&&(n=e,e=this.length),1===r.length){var o=r.charCodeAt(0);o<256&&(r=o)}if(void 0!==n&&"string"!=typeof n)throw new TypeError("encoding must be a string");if("string"==typeof n&&!Buffer$2.isEncoding(n))throw new TypeError("Unknown encoding: "+n)}else"number"==typeof r&&(r&=255);if(t<0||this.length<t||this.length<e)throw new RangeError("Out of range index");if(e<=t)return this;var a;if(t>>>=0,e=void 0===e?this.length:e>>>0,r||(r=0),"number"==typeof r)for(a=t;a<e;++a)this[a]=r;else{var i=internalIsBuffer(r)?r:utf8ToBytes(new Buffer$2(r,n).toString()),s=i.length;for(a=0;a<e-t;++a)this[a+t]=i[a%s]}return this};var INVALID_BASE64_RE=/[^+\/0-9A-Za-z-_]/g;function base64clean(r){if((r=stringtrim(r).replace(INVALID_BASE64_RE,"")).length<2)return"";for(;r.length%4!=0;)r+="=";return r}function stringtrim(r){return r.trim?r.trim():r.replace(/^\s+|\s+$/g,"")}function toHex(r){return r<16?"0"+r.toString(16):r.toString(16)}function utf8ToBytes(r,t){var e;t=t||1/0;for(var n=r.length,o=null,a=[],i=0;i<n;++i){if((e=r.charCodeAt(i))>55295&&e<57344){if(!o){if(e>56319){(t-=3)>-1&&a.push(239,191,189);continue}if(i+1===n){(t-=3)>-1&&a.push(239,191,189);continue}o=e;continue}if(e<56320){(t-=3)>-1&&a.push(239,191,189),o=e;continue}e=65536+(o-55296<<10|e-56320)}else o&&(t-=3)>-1&&a.push(239,191,189);if(o=null,e<128){if((t-=1)<0)break;a.push(e)}else if(e<2048){if((t-=2)<0)break;a.push(e>>6|192,63&e|128)}else if(e<65536){if((t-=3)<0)break;a.push(e>>12|224,e>>6&63|128,63&e|128)}else{if(!(e<1114112))throw new Error("Invalid code point");if((t-=4)<0)break;a.push(e>>18|240,e>>12&63|128,e>>6&63|128,63&e|128)}}return a}function asciiToBytes(r){for(var t=[],e=0;e<r.length;++e)t.push(255&r.charCodeAt(e));return t}function utf16leToBytes(r,t){for(var e,n,o,a=[],i=0;i<r.length&&!((t-=2)<0);++i)n=(e=r.charCodeAt(i))>>8,o=e%256,a.push(o),a.push(n);return a}function base64ToBytes(r){return toByteArray(base64clean(r))}function blitBuffer(r,t,e,n){for(var o=0;o<n&&!(o+e>=t.length||o>=r.length);++o)t[o+e]=r[o];return o}function isnan(r){return r!=r}function isBuffer$1(r){return null!=r&&(!!r._isBuffer||isFastBuffer(r)||isSlowBuffer(r))}function isFastBuffer(r){return!!r.constructor&&"function"==typeof r.constructor.isBuffer&&r.constructor.isBuffer(r)}function isSlowBuffer(r){return"function"==typeof r.readFloatLE&&"function"==typeof r.slice&&isFastBuffer(r.slice(0,0))}function buff(r,t){return void 0===t&&(t=BASE64_FORMAT),isBuffer$1(r)?r:new Buffer$2.from(r,t)}var replaceErrors=function(r,t){if(t instanceof Error){var e={};return Object.getOwnPropertyNames(t).forEach((function(r){e[r]=t[r]})),e}return t},printError=function(r){return JSON.stringify(r,replaceErrors)};function findFromContract(r,t,e){return!!(e[r]&&e[r][t]&&e[r][t].file&&fs.existsSync(e[r][t].file))&&e[r][t].file}var DOT=".",getDocLen=function(r){return Buffer$2.byteLength(r,"utf8")},headerParser=function(r,t){try{var e=r.headers.accept.split(",");return t?e.filter((function(r){return r===t})):e}catch(r){return[]}},isHeaderPresent=function(r,t){return!!headerParser(r,t).length},getPathToFn=function(r,t,e){var n=e.resolverDir,o=dasherize(r),a=[];e.contract&&e.contract[t]&&e.contract[t].path&&a.push(e.contract[t].path),a.push(path.join(n,t,o,[INDEX_KEY,EXT].join(DOT))),a.push(path.join(n,t,[o,EXT].join(DOT)));for(var i=a.length,s=0;s<i;++s)if(fs.existsSync(a[s]))return a[s];return!1},isJsonqlPath=function(r,t){return r.path===t.jsonqlPath},isJsonqlRequest=function(r,t){return!!isHeaderPresent(r.request,t.contentType)&&isJsonqlPath(r,t)},isJsonqlConsoleUrl=function(r,t){return"GET"===r.method&&isJsonqlPath(r,t)},handleOutput=function(r){return function(t,e){t.size=getDocLen(e),t.type=r.contentType,t.status=SUCCESS_STATUS,t.body=e}},handleHtmlOutput=function(r,t){r.size=getDocLen(t),r.type="text/html",r.status=SUCCESS_STATUS,r.body=t+""},ctxErrorHandler=function(r,t,e,n){void 0===n&&(n="");var o,a=handleOutput({contentType:CONTENT_TYPE});return"string"==typeof t?t=jsonqlErrors[o=t]?jsonqlErrors[o].statusCode:-1:o=getErrorByStatus(t),!n&&e&&e.message&&(n=e.message),a(r,packError(e,o,t,n))},forbiddenHandler=function(r,t){return ctxErrorHandler(r,FORBIDDEN_STATUS,t,"JsonqlAuthorisationError")};exports.VERSION=VERSION,exports.buff=buff,exports.cacheBurst=cacheBurst,exports.cacheBurstUrl=cacheBurstUrl,exports.chainFns=chainFns,exports.chainPromises=chainPromises,exports.createEvt=createEvt,exports.createMutation=createMutation,exports.createMutationStr=createMutationStr,exports.createQuery=createQuery,exports.createQueryStr=createQueryStr,exports.ctxErrorHandler=ctxErrorHandler,exports.dasherize=dasherize,exports.extractArgsFromPayload=extractArgsFromPayload,exports.extractParamsFromContract=extractParamsFromContract,exports.extractSocketPart=extractSocketPart,exports.findFromContract=findFromContract,exports.forbiddenHandler=forbiddenHandler,exports.formatPayload=formatPayload,exports.getCallMethod=getCallMethod,exports.getConfigValue=getConfigValue,exports.getDocLen=getDocLen,exports.getMutationFromArgs=getMutationFromArgs,exports.getMutationFromPayload=getMutationFromPayload,exports.getNameFromPayload=getNameFromPayload,exports.getNamespaceInOrder=getNamespaceInOrder,exports.getPathToFn=getPathToFn,exports.getQueryFromArgs=getQueryFromArgs,exports.getQueryFromPayload=getQueryFromPayload,exports.groupByNamespace=groupByNamespace,exports.handleHtmlOutput=handleHtmlOutput,exports.handleOutput=handleOutput,exports.headerParser=headerParser,exports.inArray=inArray,exports.injectToFn=injectToFn,exports.isContract=isContract,exports.isHeaderPresent=isHeaderPresent,exports.isJsonqlConsoleUrl=isJsonqlConsoleUrl,exports.isJsonqlErrorObj=isJsonqlErrorObj,exports.isJsonqlPath=isJsonqlPath,exports.isJsonqlRequest=isJsonqlRequest,exports.isNotEmpty=isNotEmpty,exports.isObjectHasKey=isObjectHasKey,exports.objDefineProps=objDefineProps,exports.objHasProp=objHasProp,exports.packError=packError,exports.packResult=packResult,exports.preConfigCheck=preConfigCheck,exports.printError=printError,exports.replaceErrors=replaceErrors,exports.resultHandler=resultHandler,exports.timestamp=timestamp,exports.toArray=toArray,exports.toJson=toJson,exports.toPayload=toPayload,exports.urlParams=urlParams;
 //# sourceMappingURL=main.js.map
diff --git a/packages/utils/main.js.map b/packages/utils/main.js.map
index 5c7e1f906d54860c76887c62390d49066b18183a..5d0b58a9429a8ed94db65bb80261aa6c8817db35 100644
--- a/packages/utils/main.js.map
+++ b/packages/utils/main.js.map
@@ -1 +1 @@
-{"version":3,"file":"main.js","sources":["node_modules/buffer-es6/isArray.js"],"sourcesContent":["var toString = {}.toString;\n\nexport default Array.isArray || function (arr) {\n  return toString.call(arr) == '[object Array]';\n};\n"],"names":[],"mappings":"orpCAAA"}
\ No newline at end of file
+{"version":3,"file":"main.js","sources":["node_modules/buffer-es6/isArray.js"],"sourcesContent":["var toString = {}.toString;\n\nexport default Array.isArray || function (arr) {\n  return toString.call(arr) == '[object Array]';\n};\n"],"names":[],"mappings":"ospCAAA"}
\ No newline at end of file
diff --git a/packages/utils/package.json b/packages/utils/package.json
index 0c1108c8c59d53ae030139e2b3f3b3f5aa2d089d..d3e24e11cd2df3714233cc5ee27b57c31c270335 100644
--- a/packages/utils/package.json
+++ b/packages/utils/package.json
@@ -1,6 +1,6 @@
 {
   "name": "jsonql-utils",
-  "version": "0.8.8",
+  "version": "0.8.9",
   "description": "This is a jsonql dependency module, not for generate use.",
   "main": "main.js",
   "module": "index.js",
diff --git a/packages/utils/src/pre-config-check.js b/packages/utils/src/pre-config-check.js
index 369d0466d0a8b5128fb960d6103e73ab5902869a..097138d1c079c248baa8801478eb68f5fc14a28c 100644
--- a/packages/utils/src/pre-config-check.js
+++ b/packages/utils/src/pre-config-check.js
@@ -18,7 +18,8 @@ import { injectToFn } from './obj-define-props'
  * @return {function} to perform the final configuration check
  */
 export function preConfigCheck(defaultOptions, constProps, ...fns) {
-  const fn = Reflect.apply(chainFns, null, fns)
+  // if there is more than one then chain it otherwise just return the zero idx one
+  const fn = fns.length > 0 ? Reflect.apply(chainFns, null, fns) : fns[0]
   // 0.8.8 add a default property empty object
   return (config = {}) => (
     injectToFn(fn(config, defaultOptions, constProps), CHECKED_KEY, timestamp())