64 lines
1.6 KiB
JavaScript
64 lines
1.6 KiB
JavaScript
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window.fakeStorage = {
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_data: {},
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setItem: function (id, val) {
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return this._data[id] = String(val);
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},
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getItem: function (id) {
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return this._data.hasOwnProperty(id) ? this._data[id] : undefined;
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},
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removeItem: function (id) {
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return delete this._data[id];
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},
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clear: function () {
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return this._data = {};
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}
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};
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function LocalStorageManager() {
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this.bestScoreKey = "bestScore";
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this.gameStateKey = "gameState";
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var supported = this.localStorageSupported();
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this.storage = supported ? window.localStorage : window.fakeStorage;
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}
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LocalStorageManager.prototype.localStorageSupported = function () {
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var testKey = "test";
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try {
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var storage = window.localStorage;
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storage.setItem(testKey, "1");
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storage.removeItem(testKey);
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return true;
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} catch (error) {
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return false;
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}
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};
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// Best score getters/setters
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LocalStorageManager.prototype.getBestScore = function () {
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return this.storage.getItem(this.bestScoreKey) || 0;
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};
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LocalStorageManager.prototype.setBestScore = function (score) {
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this.storage.setItem(this.bestScoreKey, score);
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};
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// Game state getters/setters and clearing
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LocalStorageManager.prototype.getGameState = function () {
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var stateJSON = this.storage.getItem(this.gameStateKey);
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return stateJSON ? JSON.parse(stateJSON) : null;
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};
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LocalStorageManager.prototype.setGameState = function (gameState) {
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this.storage.setItem(this.gameStateKey, JSON.stringify(gameState));
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};
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LocalStorageManager.prototype.clearGameState = function () {
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this.storage.removeItem(this.gameStateKey);
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};
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