opendash/dist/services/StorageService.js

open.DASH data visualization framework

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import { BaseService, StorageAdapterContext, } from "..";
var StorageService = /** @class */ (function (_super) {
    __extends(StorageService, _super);
    function StorageService(app, adapter) {
        var _this = _super.call(this) || this;
        _this.storage = new Map();
        _this.cache = new Map();
        _this.app = app;
        _this.services = app.services;
        _this.adapter = adapter;
        _this.context = new StorageAdapterContext(_this.storage, _this, app);
        _this.initAdapter(adapter, _this.context, _this.services);
        return _this;
    }
    StorageService.prototype.get = function (key) {
        return __awaiter(this, void 0, void 0, function () {
            return __generator(this, function (_a) {
                return [2 /*return*/, this._getSync(key)];
            });
        });
    };
    StorageService.prototype.set = function (key, value, options) {
        var _a;
        return __awaiter(this, void 0, void 0, function () {
            var nextValue;
            return __generator(this, function (_b) {
                switch (_b.label) {
                    case 0:
                        nextValue = ((_a = options) === null || _a === void 0 ? void 0 : _a.encode) ? options.encode(value)
                            : JSON.stringify(value);
                        if (this.storage.has(key) && this.storage.get(key) === nextValue) {
                            return [2 /*return*/];
                        }
                        this.cache.delete(key);
                        return [4 /*yield*/, this.adapter.set(key, nextValue)];
                    case 1: return [2 /*return*/, _b.sent()];
                }
            });
        });
    };
    StorageService.prototype.delete = function (key) {
        return __awaiter(this, void 0, void 0, function () {
            return __generator(this, function (_a) {
                switch (_a.label) {
                    case 0: return [4 /*yield*/, this.adapter.delete(key)];
                    case 1: return [2 /*return*/, _a.sent()];
                }
            });
        });
    };
    StorageService.prototype.keys = function () {
        return __awaiter(this, void 0, void 0, function () {
            return __generator(this, function (_a) {
                return [2 /*return*/, this._keysSync()];
            });
        });
    };
    StorageService.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.adapter.clear()];
                    case 1: return [2 /*return*/, _a.sent()];
                }
            });
        });
    };
    StorageService.prototype._getSync = function (key, options) {
        var _a;
        if (this.cache.has(key)) {
            return this.cache.get(key);
        }
        if (this.storage.has(key)) {
            var cache = ((_a = options) === null || _a === void 0 ? void 0 : _a.decode) ? options.decode(this.storage.get(key))
                : JSON.parse(this.storage.get(key));
            this.cache.set(key, cache);
            return cache;
        }
        return undefined;
    };
    StorageService.prototype._keysSync = function () {
        return Array.from(this.storage.keys());
    };
    return StorageService;
}(BaseService));
export { StorageService };
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