mock-webstorage/js/index.js

A mock WebStorage class for mocking localStorage and sessionStorage objects in tests.

"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;

var _classCallCheck2 = _interopRequireDefault(require("@babel/runtime/helpers/classCallCheck"));

var _createClass2 = _interopRequireDefault(require("@babel/runtime/helpers/createClass"));

var _defineProperty2 = _interopRequireDefault(require("@babel/runtime/helpers/defineProperty"));

var MockStorage =
/*#__PURE__*/
function () {
  function MockStorage() {
    (0, _classCallCheck2.default)(this, MockStorage);
    (0, _defineProperty2.default)(this, "_keys", []);
    (0, _defineProperty2.default)(this, "_data", Object.create(null));
  }

  (0, _createClass2.default)(MockStorage, [{
    key: "key",
    value: function key(i) {
      i = Math.floor(Number(i));
      return i >= 0 && i < this._keys.length ? this._keys[i] : null;
    }
  }, {
    key: "getItem",
    value: function getItem(k) {
      k = String(k);
      return k in this._data ? this._data[k] : null;
    }
  }, {
    key: "setItem",
    value: function setItem(k, v) {
      k = String(k);

      if (!(k in this._data)) {
        this._keys.push(k);
      }

      this._data[k] = String(v);
    }
  }, {
    key: "removeItem",
    value: function removeItem(k) {
      k = String(k);

      if (k in this._data) {
        var i = this._keys.indexOf(k);

        if (i < 0) throw new Error('Should not happen');

        this._keys.splice(i, 1);

        delete this._data[k];
      }
    }
  }, {
    key: "clear",
    value: function clear() {
      this._keys = [];
      this._data = Object.create(null);
    }
  }, {
    key: "length",
    get: function get() {
      return this._keys.length;
    }
  }]);
  return MockStorage;
}();

exports.default = MockStorage;
module.exports = exports.default;
module.exports.default = exports.default;
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