fix(wx-react): 修复FlatList，SectionList组件销毁时报错

fix #47
areslabs · Jan 8, 2020 · 3b1d381 · 3b1d381
1 parent 791046c
commit 3b1d381
Show file tree

Hide file tree

Showing 2 changed files with 12 additions and 5 deletions.
diff --git a/packages/wx-react/package.json b/packages/wx-react/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@areslabs/wx-react",
-  "version": "2.2.1",
+  "version": "2.2.2",
   "description": "微信版本的React",
   "files": [
     "package.json",

diff --git a/packages/wx-react/src/reactCompHelper.js b/packages/wx-react/src/reactCompHelper.js
@@ -19,10 +19,17 @@ export default function reactCompHelper(obj) {
         const rawData = this.data
         Object.defineProperty(this, 'data', {
             get: function () {
-                const  compInst = instanceManager.getCompInstByUUID(rawData.diuu);
-                return {
-                    ...rawData,
-                    ...compInst.props
+
+                // 当FlatList SectionList等继承PureComponent/Component组件存在的时候，其销毁是在react过程就完成的
+                // 这里detached调用this.data.diuu 会导致这里的compInst为null
+                const compInst = instanceManager.getCompInstByUUID(rawData.diuu);
+                if (!compInst) {
+                    return rawData
+                } else {
+                    return {
+                        ...rawData,
+                        ...compInst.props
+                    }
                 }
             },
         })