InternetProgramming/Lab3/node_modules/lowdb/adapters/LocalStorage.js
2023-12-15 14:42:22 +04:00

44 lines
2.3 KiB
JavaScript

'use strict';
var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
/* global localStorage */
var Base = require('./Base');
var LocalStorage = function (_Base) {
_inherits(LocalStorage, _Base);
function LocalStorage() {
_classCallCheck(this, LocalStorage);
return _possibleConstructorReturn(this, (LocalStorage.__proto__ || Object.getPrototypeOf(LocalStorage)).apply(this, arguments));
}
_createClass(LocalStorage, [{
key: 'read',
value: function read() {
var data = localStorage.getItem(this.source);
if (data) {
return this.deserialize(data);
} else {
localStorage.setItem(this.source, this.serialize(this.defaultValue));
return this.defaultValue;
}
}
}, {
key: 'write',
value: function write(data) {
localStorage.setItem(this.source, this.serialize(data));
}
}]);
return LocalStorage;
}(Base);
module.exports = LocalStorage;