//参考地址：https://cli.vuejs.org/config/#vue-config-js
var webpack = require("webpack");
var UglifyJsPlugin = require('uglifyjs-webpack-plugin');
module.exports = {
    // Project deployment base
    // By default we assume your app will be deployed at the root of a domain,
    // e.g. https://www.my-app.com/
    // If your app is deployed at a sub-path, you will need to specify that
    // sub-path here. For example, if your app is deployed at
    // https://www.foobar.com/my-app/
    // then change this to '/my-app/'
    baseUrl: '/',

    // where to output built files
    outputDir: 'dist',

    // whether to use eslint-loader for lint on save.
    // valid values: true | false | 'error'
    // when set to 'error', lint errors will cause compilation to fail.
    lintOnSave: true,

    // use the full build with in-browser compiler?
    // https://vuejs.org/v2/guide/installation.html#Runtime-Compiler-vs-Runtime-only
    runtimeCompiler: false,

    // babel-loader skips `node_modules` deps by default.
    // explicitly transpile a dependency with this option.
    transpileDependencies: [/* string or regex */],

    // generate sourceMap for production build?
    productionSourceMap: false,

    // tweak internal webpack configuration.
    // see https://github.com/vuejs/vue-cli/blob/dev/docs/webpack.md
    chainWebpack: () => {},
    // CSS related options
    css: {
        // extract CSS in components into a single CSS file (only in production)
        // can also be an object of options to pass to extract-text-webpack-plugin
        extract: true,

        // enable CSS source maps?
        sourceMap: false,

        // pass custom options to pre-processor loaders. e.g. to pass options to
        // sass-loader, use { sass: { ... } }
        loaderOptions: {},

        // Enable CSS modules for all css / pre-processor files.
        // This option does not affect *.vue files.
        // modules: false
    },

    // use thread-loader for babel & TS in production build
    // enabled by default if the machine has more than 1 cores
    parallel: require('os').cpus().length > 1,

    // options for the PWA plugin.
    // see https://github.com/vuejs/vue-cli/tree/dev/packages/%40vue/cli-plugin-pwa
    pwa: {},
    //webpack  配置
    configureWebpack: {
        plugins: [
            new webpack.ProvidePlugin({  //引入Jquery
                $: 'jquery',
                jQuery: 'jquery',
                'window.jQuery':'jquery'
            }),
           // drop console
           //  new UglifyJsPlugin({
           //      uglifyOptions: {
           //          comments: false,
           //          compress: {
           //              drop_debugger: true,
           //              drop_console: true
           //          }
           //      }
           //  })
        ],
    },
    // configure webpack-dev-server behavior
    devServer: {
        open: process.platform === 'darwin',
        host: '0.0.0.0',
        port: 10005,
        https: false,
        hotOnly: false,
        // See https://github.com/vuejs/vue-cli/blob/dev/docs/cli-service.md#configuring-proxy
     //   proxy: null, // string | Object
        before: app => {},
        proxy: {
            '/media': {
                target: 'http://10.2.1.60:8180',//换成正确的服务器域名
                changeOrigin: true,
                ws: true,
                pathRewrite: {
                    '^/media': '/media'
                }
            }
        }
    },

    // options for 3rd party plugins
    pluginOptions: {
      'style-resources-loader': {
        preProcessor: 'less',
        patterns: []
      }
    }
}