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computed的实现 #8

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fengguangpei opened this issue Aug 30, 2022 · 0 comments

fengguangpei commented Aug 30, 2022

文章写的很好，有个地方和源码有出入，不知道是不是版本的问题

问题：计算属性不会通知视图更新，而是计算属性依赖的属性通知

计算属性的用到的属性变化时：
1、会通知计算属性的watcher把dirty设置为true，等待下一次取值
2、会通知使用这个计算属性的组件实例的watcher更新视图

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