From 4b15904fd2d1428a44ef87819cbab258fe0d4953 Mon Sep 17 00:00:00 2001
From: yc_lemon <yc_lemon@163.com>
Date: Wed, 8 Apr 2020 10:33:42 +0800
Subject: [PATCH] update src/react/ReactChildren.js. #862#

---
 src/react/ReactChildren.js | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/src/react/ReactChildren.js b/src/react/ReactChildren.js
index bbc07d8..bfedb03 100644
--- a/src/react/ReactChildren.js
+++ b/src/react/ReactChildren.js
@@ -1,8 +1,29 @@
 function mapChildren(children, func, context) {
     //TODO实现此mapChildren方法
+    if (children == null) return children
+
+    if(Array.isArray(children)) {
+        children = map(children)
+    }
     return children;
 }
 
+function map(children, func) {
+    let arr = []
+    if (!Array.isArray(children)) {
+        return func(children,0)
+    }
+    children.map((item, index) => {
+        if (Array.isArray(item)) {
+            arr.push(...item.map(subItem => func(subItem, index)))
+        } else {
+            arr.push(func(item,index))
+        }
+    })
+    return arr
+
+}
+
 export {
     mapChildren as map,
 };
\ No newline at end of file
-- 
Gitee