@tanshenghu/web-utils/lib/storage/index.js

web公共方法

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});
var prefix = '$tsh-';

exports.default = {
  /**
   * 存储数据
   * @param {string} key - 存储键名
   * @param {any} value - 存储键值
   * @param {number} [expires] - 过期时间(分钟为单位)
   * @param {string} [type] - 类型 值: local, session
   */
  setStorage: function setStorage(key, value, expires, type) {
    checkData();
    if (typeof expires === 'string') {
      type = expires;
      expires = void 0;
    }
    var store = { data: value, by: 'tsh' };
    if (typeof expires === 'number') {
      store.expires = Date.now() + expires * 60000;
    }
    getLocalObj(type).setItem('' + prefix + key, JSON.stringify(store));
  },


  /**
   * 获取存储数据
   * @param {string} key - 存储键名
   * @param {string} [type] - 类型 值: local, session
   */
  getStorage: function getStorage(key, type) {
    checkData();
    var value = getLocalObj(type).getItem('' + prefix + key);
    return JSON.parse(value || '{}').data;
  },


  /**
   * 删除存储数据
   * @param {string} key - 存储键名
   * @param {string} [type] - 类型 值: local, session
   */
  removeStorage: function removeStorage(key, type) {
    checkData();
    getLocalObj(type).removeItem('' + prefix + key);
  }
};


function getLocalObj(type) {
  return globalThis[type === 'session' ? 'sessionStorage' : 'localStorage'];
}

/**
 * 数据验证
 */
function checkData() {
  var store = globalThis.sessionStorage;
  var store2 = globalThis.localStorage;
  var now = Date.now();

  function deal(datas, tval) {
    Object.keys(datas).filter(function (v) {
      return v.indexOf(prefix) === 0;
    }).forEach(function (key) {
      try {
        var d = JSON.parse(datas[key]);
        if (d.by === 'tsh' && typeof d.data !== 'undefined' && d.expires > -2 && now > d.expires) {
          globalThis[tval === 1 ? 'sessionStorage' : 'localStorage'].removeItem(key);
        }
      } catch (e) {}
    });
  }

  deal(store, 1);
  deal(store2, 2);
}

checkData();
module.exports = exports['default'];