feature-toggle-client
Version:
feature-toggle-client
200 lines • 14.8 kB
JavaScript
"use strict";
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
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) : adopt(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 });
exports.FeatureToggleClientService = void 0;
var FeatureToggleInstanceFactory_1 = require("./FeatureToggleInstanceFactory");
var DEFAULT_REQUEST_TIMEOUT = 5000;
var FeatureToggleClientService = (function () {
function FeatureToggleClientService() {
this.requestTimeout = DEFAULT_REQUEST_TIMEOUT;
if (FeatureToggleClientService.instance) {
throw new Error('FeatureToggleClientService is a singleton. Use getInstance() method instead of constructor');
}
}
FeatureToggleClientService.prototype.getUserInstance = function () {
return this.userInstance;
};
FeatureToggleClientService.prototype.getApplicationInstance = function () {
return this.applicationInstance;
};
FeatureToggleClientService.prototype.getMultiContextInstance = function () {
return this.multiContextInstance;
};
FeatureToggleClientService.prototype.setRequestTimeouts = function (timeout) {
this.requestTimeout = timeout;
};
FeatureToggleClientService.getInstance = function () {
FeatureToggleClientService.instance =
FeatureToggleClientService.instance || new FeatureToggleClientService();
return FeatureToggleClientService.instance;
};
FeatureToggleClientService.prototype.initializeUser = function (payload, ldclientSdkKey, options) {
this.userInstance = FeatureToggleInstanceFactory_1.FeatureToggleInstanceFactory
.createSingleContext(payload, ldclientSdkKey, options)
.getClient();
};
FeatureToggleClientService.prototype.initializeApplication = function (payload, ldclientSdkKey, options) {
this.applicationInstance = FeatureToggleInstanceFactory_1.FeatureToggleInstanceFactory
.createSingleContext(payload, ldclientSdkKey, options)
.getClient();
};
FeatureToggleClientService.prototype.initializeWithContext = function (ldclientSdkKey, contexts, options) {
this.multiContextInstance = FeatureToggleInstanceFactory_1.FeatureToggleInstanceFactory
.createMultiContext(ldclientSdkKey, contexts.user, contexts.application, contexts.contract, options)
.getClient();
};
FeatureToggleClientService.prototype.solveRequestWithTimeout = function (requestPromise, defaultValue) {
var _this = this;
return Promise.race([requestPromise, new Promise(function (resolve) {
setTimeout(function () { return resolve(defaultValue); }, _this.requestTimeout);
})]);
};
FeatureToggleClientService.prototype.isFeatureEnabled = function (featureKey, defaultValue) {
if (defaultValue === void 0) { defaultValue = false; }
return __awaiter(this, void 0, void 0, function () {
var _a, userInstanceReadyPromise, applicationInstanceReadyPromise, e_1;
return __generator(this, function (_b) {
switch (_b.label) {
case 0:
_b.trys.push([0, 2, , 3]);
return [4, this.solveRequestWithTimeout(Promise.all([
this.isUserFeatureEnabled(featureKey, defaultValue),
this.isApplicationFeatureEnabled(featureKey, defaultValue)
]), defaultValue)];
case 1:
_a = _b.sent(), userInstanceReadyPromise = _a[0], applicationInstanceReadyPromise = _a[1];
return [2, applicationInstanceReadyPromise || userInstanceReadyPromise];
case 2:
e_1 = _b.sent();
throw e_1;
case 3: return [2];
}
});
});
};
FeatureToggleClientService.prototype.isUserFeatureEnabled = function (featureKey, defaultValue) {
var _this = this;
if (defaultValue === void 0) { defaultValue = false; }
var withUserFeaturePromise = new Promise(function (resolve, reject) { return __awaiter(_this, void 0, void 0, function () {
var e_2;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
_a.trys.push([0, 4, , 5]);
if (!this.userInstance) return [3, 2];
return [4, this.userInstance.waitForInitialization()];
case 1:
_a.sent();
resolve(this.userInstance.variation(featureKey, defaultValue));
return [3, 3];
case 2:
resolve(undefined);
_a.label = 3;
case 3: return [3, 5];
case 4:
e_2 = _a.sent();
reject(defaultValue);
return [3, 5];
case 5: return [2];
}
});
}); });
return withUserFeaturePromise;
};
FeatureToggleClientService.prototype.isApplicationFeatureEnabled = function (featureKey, defaultValue) {
var _this = this;
if (defaultValue === void 0) { defaultValue = false; }
var withApplicationFeaturePromise = new Promise(function (resolve, reject) { return __awaiter(_this, void 0, void 0, function () {
var e_3;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
_a.trys.push([0, 4, , 5]);
if (!this.applicationInstance) return [3, 2];
return [4, this.applicationInstance.waitForInitialization()];
case 1:
_a.sent();
resolve(this.applicationInstance.variation(featureKey, defaultValue));
return [3, 3];
case 2:
resolve(undefined);
_a.label = 3;
case 3: return [3, 5];
case 4:
e_3 = _a.sent();
reject(defaultValue);
return [3, 5];
case 5: return [2];
}
});
}); });
return withApplicationFeaturePromise;
};
FeatureToggleClientService.prototype.isMultiContextFeatureEnabled = function (featureKey, defaultValue) {
var _this = this;
if (defaultValue === void 0) { defaultValue = false; }
var withMultiContextFeaturePromise = new Promise(function (resolve, reject) { return __awaiter(_this, void 0, void 0, function () {
var e_4;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
_a.trys.push([0, 4, , 5]);
if (!this.multiContextInstance) return [3, 2];
return [4, this.multiContextInstance.waitForInitialization()];
case 1:
_a.sent();
resolve(this.multiContextInstance.variation(featureKey, defaultValue));
return [3, 3];
case 2:
resolve(undefined);
_a.label = 3;
case 3: return [3, 5];
case 4:
e_4 = _a.sent();
reject(defaultValue);
return [3, 5];
case 5: return [2];
}
});
}); });
return withMultiContextFeaturePromise;
};
return FeatureToggleClientService;
}());
exports.FeatureToggleClientService = FeatureToggleClientService;
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