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vue 2.7 this._watchers is undefined in core.js #934

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topmaxz opened this issue Aug 8, 2022 · 4 comments
Open

vue 2.7 this._watchers is undefined in core.js #934

topmaxz opened this issue Aug 8, 2022 · 4 comments

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@topmaxz
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topmaxz commented Aug 8, 2022

Summary 简述

vue2工程升级到2.7后原v-charts页面会报错,如下图所示

打印this时也发现没有_watchers属性,只有_watcher

Expect 期望结果

希望尽快修复该错误,应该是比较简单的

Reproduce 重现示例

v-charts

@fyzhu
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fyzhu commented Aug 8, 2022

same error

1 similar comment
@cuimaomao0123
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same error

@Meqn
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Meqn commented Dec 7, 2022

@topmaxz @fyzhu @cuimaomao0123
修复看这里 #935 (comment)

@Hwacc
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Hwacc commented Jan 30, 2023

提供一个不修改源码的思路

在App入口文件, Vue对象实例化之前, 加入

Vue._watchers = Vue.prototype._watchers = []

多个Vue对象同理

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5 participants