house-middleware-sdk/utils/DeviceStorage.js

58 hosue rn native sdk

import {
  AsyncStorage
} from 'react-native';

/**
 * 存储类
 *
 * @author haojie
 * @version 2019-09-27
 */
export default class DeviceStorage {
  /**
   * 获取数据
   * @param key
   * @returns {Promise<T>|*|Promise.<TResult>}
   */
  static get = async (key) => {
    try {
      const value = await AsyncStorage.getItem(key);
      if (value !== null) {
        return value;
      }
    } catch (error) {
      console.error(error);
    }
  }

  /**
   * 获取json数据
   * @param key
   * @returns {Promise<*>}
   */
  static getDataforJson = async (key) => {
    const value = await this.get(key);
    if (value) {
      const jsonValue = JSON.parse(value);
      return jsonValue;
    }
    return null;
  }

  /**
   * 保存数据
   * @param key
   * @param value
   * @returns {*}
   */
  static save = async (key, value) => {
    try {
      return await AsyncStorage.setItem(key, value);
    } catch (error) {
      console.error(error);
    }
  }

  /**
   * 保存json
   * @param key
   * @param value
   * @returns {*}
   */
  static saveDataForJson = (key, value) => {
    this.save(key, JSON.stringify(value));
  }

  /**
   * 清空所有缓存
   * @param key
   * @param value
   * @returns {*}
   */
  static clear = async () => {
    try {
      return await AsyncStorage.clear();
    } catch (error) {
      console.error(error);
    }
  }

  /**
   * 删除单个数据
   * @param key
   * @returns {*}
   */
  static delete = async (key) => {
    try {
      return await AsyncStorage.removeItem(key);
    } catch (error) {
      console.error(error);
    }
  }
}