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hooks-proxy-store

v1.0.11

Published

React proxyStore hooks

Downloads

70

Readme

HooksProxyStore

react hooks redux

开发初衷是想要一个轻量化的全局或局部可用的React状态管理工具。

npm地址

特点:

  1. 借鉴Vue的数据劫持方式,ES5采用defineProperty,其他采用Proxy方式。
  2. 可以在任意一个地方引用,有丰富的接口去管理依赖。
  3. 采用Map管理依赖数组,提升多依赖场景的性能。
  4. 采用React Hooks的语法,对useState生成的赋值方法进行劫持。
  5. hooks-proxy-store使用了useEffect在页面销毁前进行了依赖删除。
  6. 通过数据劫持的方式,可以轻量地创建状态,维护状态,避免redux局部变量变更引起的大面积组件更新从而导致的性能问题。
  7. 可以脱离页面组件去使用,通过非页面组件去出发页面组件的更新。
  8. 采用TypeScript开发。

使用

安装

npm i hooks-proxy-store

引入依赖 创建变量

  import HooksProxyStore from 'hooks-proxy-store'

  // new HooksProxyStore() 传入的值为初始值,数据类型为 any
  export const testState = new HooksProxyStore({ any: 'any' })

React组件中使用

import React from 'react'

// 引入声明的HooksProxyStore
import { testState } from '../testStore'

// addDependency(name, late), name为该组件唯一名字,重名将会覆盖已存在的set方法;late不传时默认值为false,设置为true时,会用setTimeout包裹set方法,用于不适合短时间大量同步更新组件的情况

// useDependency(), 作用与addDependency一致,但是可以自动维护name的值,对复用的组件更友好

export default React.memo(function renderArea() {
  // 为testState创建名为‘renderArea’的依赖,依赖名必须为字符串,为同一个HooksProxyStore创建同名的依赖会覆盖掉旧依赖。
  const [test, setTest] = testState.addDependency('renderArea')
  // const [test, setTest] = testState.addDependency('renderArea', true)
  // const [test, setTest] = testState.useDependency()

  function changeValue() {
    // 通过setTest方式修改值,其他引用了testState并添加了依赖的组件会同步更新
    setTest({any: '好好学习'})
  }

  return (
    <>
      <div
        style={{ background: 'blue', height: '100px' }}
        className='title-1 text-center'
        onClick={changeValue}
      >
        // 和普通的state的使用方式一样
        {test.any}
      </div>
    </>
  )
})

Js中使用

// 引入声明的HooksProxyStore
import { testState } from '../testStore'

function anyFunc() {
  // 通过State获取数据, 提供getValue方法显示获取值
  const test = testState.state.value // 不建议该方法
  const test = testState.getValue()

  // 直接修改state也能让依赖了该Store的组件同步更新(不建议),提供setValue方法显式地修改值
  testState.state.value = { any: '我是新的值' } // 不建议该方法
  testState.setValue({ any: '我是新的值' })

  // 可为store添加依赖set(依赖名称,依赖的方法名), 注意手动添加的依赖需要手动清除
  testState.dependency.set('one', oneDependency)

  // 手动清除依赖,
  testState.clean('one')
}

function oneDependency () {
  // any
}