berish-stober
Version:
Библиотека расширенного манипулирования хранилищем. Позволяет расширять функционал хранения данных посредством специальных обработчиков
129 lines • 6.04 kB
JavaScript
"use strict";
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : new P(function (resolve) { resolve(result.value); }).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var __generator = (this && this.__generator) || function (thisArg, body) {
var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
function verb(n) { return function (v) { return step([n, v]); }; }
function step(op) {
if (f) throw new TypeError("Generator is already executing.");
while (_) try {
if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
if (y = 0, t) op = [op[0] & 2, t.value];
switch (op[0]) {
case 0: case 1: t = op; break;
case 4: _.label++; return { value: op[1], done: false };
case 5: _.label++; y = op[1]; op = [0]; continue;
case 7: op = _.ops.pop(); _.trys.pop(); continue;
default:
if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
if (t[2]) _.ops.pop();
_.trys.pop(); continue;
}
op = body.call(thisArg, _);
} catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
}
};
Object.defineProperty(exports, "__esModule", { value: true });
var _a;
var SYMBOL_STORAGE_NAME = Symbol('storage name');
var STORAGEPREFIX = 'BERISH-STOBER';
var Storage = /** @class */ (function () {
function Storage(storageAdapter) {
this.storageAdapter = null;
this.serber = null;
this[_a] = null;
this.onChangeListeners = [];
this.storageAdapter = storageAdapter;
}
Storage.prototype.setSerber = function (serber) {
this.serber = serber;
return this;
};
Storage.prototype.setStorageName = function (value) {
this[SYMBOL_STORAGE_NAME] = value;
return this;
};
Storage.prototype.getStorageName = function () {
return this[SYMBOL_STORAGE_NAME] || STORAGEPREFIX;
};
Storage.prototype.save = function (state) {
return __awaiter(this, void 0, void 0, function () {
var newState, _a, newStateStringify;
return __generator(this, function (_b) {
switch (_b.label) {
case 0:
_a = this.serber;
if (!_a) return [3 /*break*/, 2];
return [4 /*yield*/, this.serber.serializeAsync(state)];
case 1:
_a = (_b.sent());
_b.label = 2;
case 2:
newState = (_a) || state;
newStateStringify = JSON.stringify(newState);
return [2 /*return*/, this.storageAdapter.setItem(this.getStorageName(), newStateStringify)];
}
});
});
};
Storage.prototype.load = function () {
return __awaiter(this, void 0, void 0, function () {
var stateStringify, newState, _a;
return __generator(this, function (_b) {
switch (_b.label) {
case 0: return [4 /*yield*/, this.storageAdapter.getItem(this.getStorageName())];
case 1:
stateStringify = _b.sent();
newState = JSON.parse(stateStringify);
_a = this.serber;
if (!_a) return [3 /*break*/, 3];
return [4 /*yield*/, this.serber.deserializeAsync(newState)];
case 2:
_a = (_b.sent());
_b.label = 3;
case 3: return [2 /*return*/, (_a) || newState];
}
});
});
};
Storage.prototype.clear = function () {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, this.storageAdapter.removeItem(this.getStorageName())];
case 1:
_a.sent();
return [2 /*return*/];
}
});
});
};
Storage.prototype.changes = function (cb) {
var _this = this;
if (this.storageAdapter.onChange) {
return this.storageAdapter.onChange(function (key, value) {
if (key === _this.getStorageName()) {
var newState = JSON.parse(value);
var state = (_this.serber && _this.serber.deserialize(newState)) || newState;
cb(state);
}
});
}
return null;
};
return Storage;
}());
_a = SYMBOL_STORAGE_NAME;
exports.Storage = Storage;
//# sourceMappingURL=storage.js.map