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combine-hooks

v1.0.4

Published

将多个`useHooks`合并成一个`hooks`,以便于`unstated-next`使用一次`createContainer`来创建全局的`store`。

Downloads

15

Readme

combine hooks

将多个useHooks合并成一个hooks,以便于unstated-next使用一次createContainer来创建全局的store

Installation

npm install combine-hooks

or

yarn add combine-hooks

为什么,Why

在使用unstated-next构建全局状态时,通常我们会分成好几类状态来分别createContainer。在装载到React树的时候,会出现多个Provider嵌套,形式上看起来非常的不舒服。

而我们在使用redux的时候会使用一个combineReducers函数将所有的reducer组合成一个大集合,这样我们在绑定Provider时,只需要绑定一层即可,所以就有了现在这个函数。

通过这个函数,我们可以将多个用于createContainerhook函数组合起来,形成一个大的hooks集合,这样我们就可以使用一个Provider来完成数据绑定了。

样例,Example

// store
import { useState } from 'react'
import { createContainer } from 'unstated-next';
import combineHooks from 'combine-hooks';

/**
 * 状态A
 */
function A (initialState: number) {
  const [a, setA] = useState<number>(initialState);
  return {a, setA}; 
}

/**
 * 状态B
 */
function B () {
  const [b, setB] = useState<string>('');
  return {b, setB};
}

const Store = createContainer(combineHooks({ A, B }));
export default Store;
// App
import React from 'react';
import Store from './store';

function App () {
  const { A: { a, setA }, B: { b, setB } } = Store.useContainer();
  // OR
  const A = Store.useContainer().A
  return (
    <div className="App">
      {a}{b}
      {A.a}
    </div>
  );
}

export default App;
// index
import React from 'react';
import ReactDOM from 'react-dom';
import App from './App';
import Store from './store';

ReactDOM.render(
  <React.StrictMode>
    <Store.Provider initialState={{ useHookA: 1 }}>
      <App/>
    </Store.Provider>
  </React.StrictMode>,
  document.getElementById('root')
);