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@clxx/effect

v0.0.13

Published

react effect for cl-utils

Downloads

33

Readme

引用

import { useGlobalState, setGlobalState, getGlobalState } from "cl-util";

第一步

任意位置初始化并设置全局状态

// setGlobalState的函数签名是一个键值对,键和值类型都任意
// setGlobalState(key: any, value: any)

setGlobalState("ticker-test", 1);

// 甚至可以
setGlobalState(Symbol(), {a:1, b: "hello", c: []})

第二步

在用到全局状态的组件中调用自定义Hooks


// useGlobalState的返回类型和setState类似,但是
// useGlobalState的参数是一个与setGlobalState对应的键

function MyComponent(){
  const [ticker, setTicker] = useGlobalState("ticker-test");
  
  return (
    <div>
      <button 
        onClick={()=>{
          setTicker(ticker+1);
        }}
      >
        点击更新ticker值
      </button>
      <p>当前{ticker}</p>
    </div>
  );
}

其他

只要setGlobalState被初始化过了,接下来可以在任意地方调用,甚至可以在组件之外调用

// 假设当前代码位于组件体之外
setInterval(()=>{
  const ticker = getGlobalState("ticker-test");
  setGlobalState("ticker-test", ticker + 1);
}, 1000)