From a0661c6e01e07f25d1d68049cd4f80f45d61bc08 Mon Sep 17 00:00:00 2001
From: kup <332518418@qq.com>
Date: Wed, 8 Apr 2020 11:56:27 +0800
Subject: [PATCH] test

---
 src/react/ReactChildren.js | 41 +++++++++++++++++++++++++++++++++++---
 1 file changed, 38 insertions(+), 3 deletions(-)

diff --git a/src/react/ReactChildren.js b/src/react/ReactChildren.js
index bbc07d8..8812a14 100644
--- a/src/react/ReactChildren.js
+++ b/src/react/ReactChildren.js
@@ -1,8 +1,43 @@
+const escapedPrefix = "/";
+
+function traverseAllChildren(children, arr, func) {
+    if (!Array.isArray(children)) return null;
+    for (let i = 0, l = children.length; i < l; i++) {
+        let child = children[i];
+        if (Array.isArray(child)) {
+            traverseAllChildren(child, arr, func);
+        } else {
+            const {key} = child;
+            child = func(child, i);
+            arr.push(...child);
+        }
+    }
+    return arr;
+}
 function mapChildren(children, func, context) {
-    //TODO实现此mapChildren方法
-    return children;
+    if (children === null) return null;
+    if (children === undefined) return undefined;
+
+    const result = [];
+
+    return traverseAllChildren(children, result, func)
 }
 
 export {
     mapChildren as map,
-};
\ No newline at end of file
+};
+
+// 每一个渲染的虚拟dom结构
+// $$typeof: Symbol(react.element)
+// type: "div"
+// key: ".0/.$div0A"
+// ref: null
+// props:
+//     key: undefined
+//     children:
+//         $$typeof: Symbol(react.element)
+//         type: "div"
+//         key: null
+//         ref: null
+//         props:
+//             children: "child1"
-- 
Gitee