fix(weapp): setData 前需要深拷贝衍生自 state 的 data, fix #5012

对 state 的操作直接影响 data，因为 data 和 state 引用一样，因此需要深拷贝再 setData。

去除 shakeFnFromObject 的锅。

packages/taro-weapp/src/lifecycle.js

@@ -7,7 +7,7 @@ import {
 } from '@tarojs/taro'
 import PropTypes from 'prop-types'
 import { componentTrigger } from './create-component'
-import { shakeFnFromObject, isEmptyObject, diffObjToPath, isFunction, isUndefined, isArray } from './util'
+import { cloneDeep, isEmptyObject, diffObjToPath, isFunction, isUndefined, isArray } from './util'
 import { enqueueRender } from './render-queue'
 
 const isDEV = typeof process === 'undefined' ||
@@ -164,7 +164,8 @@ function doUpdate (component, prevProps, prevState) {
       if (typeof val === 'object') {
         if (isEmptyObject(val)) return safeSet(_data, key, {})
 
-        // 避免筛选完 Fn 后产生了空对象还去渲染
+        val = cloneDeep(val)
+
         if (!isEmptyObject(val)) safeSet(_data, key, val)
       } else {
         safeSet(_data, key, val)

packages/taro-weapp/src/util.js

@@ -76,21 +76,18 @@ export function isArray (arg) {
   return Array.isArray(arg)
 }
 
-export function shakeFnFromObject (obj) {
+export function cloneDeep (obj) {
   let newObj
   if (isArray(obj)) {
     newObj = []
     const len = obj.length
     for (let i = 0; i < len; i++) {
-      newObj.push(shakeFnFromObject(obj[i]))
+      newObj.push(cloneDeep(obj[i]))
     }
   } else if (isPlainObject(obj)) {
     newObj = {}
     for (const key in obj) {
-      if (isFunction(obj[key])) {
-        continue
-      }
-      const ret = shakeFnFromObject(obj[key])
+      const ret = cloneDeep(obj[key])
       newObj[key] = ret
     }
   } else {