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@someok/simple-reducer-store

v1.0.5

Published

React reducer context store, redux replace

Downloads

28

Readme

simple-reducer-store

缘起

之前使用 redux 做状态管理,react 出了 context、hooks 之后就逐渐使用后者了,现在把这些共性的东西抽出来,搞成个组件, 方便使用。

功能

安装

npm i --save react react-use immer lodash redux-logger
npm i --save @someok/simple-reducer-store
yarn add react react-use immer lodash redux-logger
yarn add @someok/simple-reducer-store

使用

  • 定义 {key: value} 格式的 action 对象,支持汇总多个 action,注意 key 不能重复
  • 使用 createReducerContext 定义 store
  • 在业务中返回对应 context 中存储的数据 const [store, dispatch] = useAuthStore();
  • dispatch 支持三种格式
    • dispatch('test'): 没有 payload 数据的时候可以直接将 action key 作为参数
    • dispatch(['test', values]): 支持数组 [actionKey, payload],算是对于传统 object 格式的简化
    • dispatch({type: 'test', payload: values}): 传统的对象格式

示例

actions.js

const actions = {
    test: (draft, payload) => {
        draft.data = payload;
    },
};

export default actions;

test.js

import {createReducerContext, logger} from '@someok/simple-reducer-store';
import {isProd} from '@/env';

import testActions from './actions';

let middlewares = [];

// middleware 只在生产环境起作用
if (!isProd) {
    middlewares.push(logger);
}

const initialState = {
    foo: 'bar',
};

const [useAuthStore, AuthStoreProvider, AuthContext] = createReducerContext(...middlewares)(
    initialState,
    testActions
);

export {useTestStore, TestStoreProvider, TestContext};

App.js

ReactDOM.render(
    <TestStoreProvider>
        <App />
    </TestStoreProvider>,
    document.getElementById('root')
);

TestPage.js

import {useTestStore} from './test';

export default function TestPage() {
    const [store, dispatch] = useTestStore();

    function click() {
        dispatch('test');
        dispatch(['test', values]);
        dispatch({type: 'test', payload: values});
    }

    return (
        <div>
            <button onClick={click}>Test</button>
        </div>
    );
}