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pinia-plugin-readonlystate

v1.0.2

Published

disable change pinia store in component

Downloads

33

Readme

为什么要写这个插件

在用pinia的时候发现官方文档说明了可以在外部直接修改store的数据,这就导致数据变化难以追踪, 尤其是在改造vben的时候,非常痛苦感觉回到了全局变量直接挂载window的时代

去网上搜索了下,在pinia的issue里也有不少人提出了这个问题 总结下有以下几点

  • 作者解答为什么这么设计:

    • 认为这个问题是linter来处理
    • 如果在pinia处理会增加代码量,使其运行变慢
  • 开发者提出的解决方案:

    • 写一个linter来处理(然而没人提供现成的)

    • 使用ts的reandonly(然而项目不用ts,而且无法强制约束别的开发者定义类型为readonly)

    • 使用setup写法在state导出时使用vue3的readonly包裹(这个方案我比较推荐,代码可以去issue看,但是也有2个问题)

      • pinia一定要使用setup写法,原来用的option写法需要改造
      • 我的全局缓存插件pinia-plugin-persistedstate用不了了

感觉没有特别合适的方案,我想不动代码就能实现这个功能,并且全局缓存插件还能使用,所以我基于vue3的readonly来完成了这个插件

如何使用

// 安装一下
 npm install -S pinia-plugin-readonlystate

// 在main.js
import { createPinia } from 'pinia'
import piniaPluginReadonlystate from 'pinia-plugin-readonlystate'

const pinia = createPinia()
// 如果要使用pinia-plugin-persistedstate,需要在此插件前面执行
pinia.use(piniaPluginReadonlystate())

配置

  • 默认外部可以使用$patch方法来修改store可以在初始化插件的时候禁止此操作($reset也是基于$patch实现的也会被禁止)
  let plugin = createReadonlyState({disablePatch:true})
  pinia.use(plugin)