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