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@mp-components/mp-store

v0.1.0

Published

Simple global state container for WeChat Mini Program

Readme

@mp-components/mp-store

简洁的微信小程序全局状态管理

在 1.0.0 版本之前,API 不稳定

特点

  • 类 Redux
  • 拥抱 ES6+ (async/await、Promise等)
  • 自动处理 loading
  • 最小程度入侵小程序
  • 无 polyfill

使用

定义 model

const counter = {
  state: {
    count: 0,
  },
  actions: {
    increase() {
      this.setState({ count: this.getState().count + 1 });
    },
    async asyncIncrease() {
      await asyncFunc();
      this.setState({ count: this.getState().count + 1 });
    }
  },
};

创建 store

import { createStore } from '@mp-components/mp-store';

const store = createStore({ counter });

在 app.js 中引用

import { withStore } from '@mp-components/mp-store';

App(withStore(store)({
  onLaunch() {
    // ...
  },
}));

在页面中使用

import { connect } from '@mp-components/mp-store';

// couterCount 会被注入到 this.data 中,可以直接在 wxml 中使用
const mapState = state => ({ couterCount: state.counter.count });
// increaseCount 会被挂载到 this 上,可以直接通过 this.increaseCount() 调用
const mapActions = actions => ({ increaseCount: actions.counter.increase });

Page(connect(mapState, mapActions)(
  onLoad() {
    // ...
  }
));

API

Store

  • getState([modelName])

  • getActions([modelName])

  • subscribe(listener)

    返回 unsubscribe 方法

withStore

withStore(store)(appOptions)

返回 appOptions

connect

connect(mapState[, mapActions])(pageOptions)

返回 pageOptions

协议

MIT License (c) pengtikui