react-unleash-flags
Version:
React component for Unleash or Gitlab Feature Flags
123 lines • 6.07 kB
JavaScript
;
var __assign = (this && this.__assign) || function () {
__assign = Object.assign || function(t) {
for (var s, i = 1, n = arguments.length; i < n; i++) {
s = arguments[i];
for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
t[p] = s[p];
}
return t;
};
return __assign.apply(this, arguments);
};
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;
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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 constants_1 = require("../constants");
var FlagsClient = (function () {
function FlagsClient(config) {
this.config = config;
this.flags = [];
this.checkValidInstance();
this.config.uri = config.uri || constants_1.DEFAULT_FEATURES_URI;
}
FlagsClient.prototype.init = function () {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4, this.fetchFlags()];
case 1:
_a.sent();
return [2];
}
});
});
};
FlagsClient.prototype.getFlags = function () {
return this.flags;
};
FlagsClient.prototype.getFlag = function (flagName) {
return this.flags.filter(function (flag) { return flag.name === flagName; })[0];
};
FlagsClient.prototype.fetchFlags = function () {
return __awaiter(this, void 0, void 0, function () {
var _a, host, appName, uri, instanceId, _b, extraHttpHeaders, headers, response, json, _c;
return __generator(this, function (_d) {
switch (_d.label) {
case 0:
_a = this.config, host = _a.host, appName = _a.appName, uri = _a.uri, instanceId = _a.instanceId, _b = _a.extraHttpHeaders, extraHttpHeaders = _b === void 0 ? {} : _b;
headers = __assign({ 'Content-Type': 'application/json', 'UNLEASH-APPNAME': appName || '', 'UNLEASH-INSTANCEID': instanceId || '' }, extraHttpHeaders);
return [4, fetch("" + host + uri, {
headers: headers,
method: 'GET',
})];
case 1:
response = _d.sent();
_d.label = 2;
case 2:
_d.trys.push([2, 4, , 5]);
return [4, response.json()];
case 3:
json = _d.sent();
this.flags = json.features;
return [3, 5];
case 4:
_c = _d.sent();
this.flags = [];
return [3, 5];
case 5: return [2];
}
});
});
};
FlagsClient.prototype.checkValidInstance = function () {
if (!this.config) {
throw Error('No config provided!');
}
if (!this.config.host && this.config.url) {
this.config.host = this.config.url;
console.warn('config.url is deprecated, use config.host instead!');
}
var _a = this.config, host = _a.host, appName = _a.appName, instanceId = _a.instanceId, url = _a.url;
if (!host || !appName || !instanceId) {
throw Error('Provided config is incomplete!');
}
};
return FlagsClient;
}());
exports.default = FlagsClient;
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