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@indexeddb-tools/indexeddb-redux

v1.0.0

Published

indexeddb对redux的封装。

Downloads

52

Readme

indexeddb-redux

indexeddb对redux的封装。

使用方法

安装

npm install @indexeddb-tools/indexeddb @indexeddb-tools/indexeddb-redux

或者

yarn add @indexeddb-tools/indexeddb @indexeddb-tools/indexeddb-redux

初始化

import { IDBReduxInstance } from '@indexeddb-tools/indexeddb-redux';

/**
 * name            连接的数据库名
 * version         数据库版本号
 * callbackObject  数据库创建或连接成功后的回调函数
 */
initDatabase(dbName, dbVersion, {
  success(IDBEvent) {},      // 数据库连接成功的回调函数
  error(IDBEvent) {},        // 数据库连接失败的回调函数
  upgradeneeded(IDBEvent) {} // 数据库首次创建成功的回调函数
});

const IDBRedux = IDBReduxInstance(dbName, dbVersion);

创建action

  • IDBRedux.getAction:查询数据
  • IDBRedux.addAction:添加数据
  • IDBRedux.putAction:更新数据
  • IDBRedux.deleteAction:删除数据
  • IDBRedux.clearAction:清除数据
  • IDBRedux.cursorAction:根据索引查询
export const IDBGet = IDBRedux.getAction({
  objectStoreName: 'objectStoreName', // objectStore名字
  successAction,                      // 获取成功的Action
  failAction                          // 获取失败的Action
});

调用

// 添加或者更新数据
const IDBAdd = IDBRedux.addAction({ objectStoreName: 'objectStoreName' });

const IDBPut = IDBRedux.putAction({ objectStoreName: 'objectStoreName' });

dispatch(IDBAdd({
  data: []
}));

dispatch(IDBAdd({
  data: []
}));

// 查询、删除数据
const IDBGet = IDBRedux.getAction({ objectStoreName: 'objectStoreName' });

const IDBDelete = IDBRedux.deleteAction({ objectStoreName: 'objectStoreName' });

dispatch(IDBGet({
  query: 'queryValue'
}));

dispatch(IDBDelete({
  query: 'queryValue'
}));

// 根据索引查询
const IDBCursor = IDBRedux.cursorAction({ objectStoreName: 'objectStoreName' });

dispatch(IDBCursor({
  query: {
    indexName: 'age',
    range: '>= 12'
  }
}));

// 清除数据
const IDBClear = IDBRedux.clearAction({ objectStoreName: 'objectStoreName' });

dispatch(IDBClear());

在reducer函数内可以获取:

function reducer(state = {}, action) {
  const result = action.payload;

  switch(action.type){
    case 'TYPE_1':
      return { ...state, data_1: action.payload.result };
      
    case 'TYPE_2':
      return { ...state, data_2: action.payload.result };
      
    default:
      return state;
  }
}