statsig-js
Version:
Statsig JavaScript client SDK for single user environments.
197 lines (196 loc) • 9.5 kB
JavaScript
;
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 };
}
};
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.ExceptionEndpoint = void 0;
var uuid_1 = require("uuid");
var Errors_1 = require("./Errors");
var Diagnostics_1 = __importDefault(require("./utils/Diagnostics"));
var parseError_1 = __importDefault(require("./utils/parseError"));
exports.ExceptionEndpoint = 'https://statsigapi.net/v1/sdk_exception';
var MAX_DIAGNOSTICS_MARKERS = 30;
var SAMPLING_RATE = 10000;
var ErrorBoundary = /** @class */ (function () {
function ErrorBoundary(sdkKey, sdkOptions) {
this.sdkKey = sdkKey;
this.sdkOptions = sdkOptions;
this.seen = new Set();
var sampling = Math.floor(Math.random() * SAMPLING_RATE);
this.setupDiagnostics(sampling === 0 ? MAX_DIAGNOSTICS_MARKERS : 0);
}
ErrorBoundary.prototype.setStatsigMetadata = function (statsigMetadata) {
this.statsigMetadata = statsigMetadata;
};
ErrorBoundary.prototype.swallow = function (tag, task, options) {
if (options === void 0) { options = {}; }
this.capture(tag, task, function () {
return undefined;
}, options);
};
ErrorBoundary.prototype.capture = function (tag, task, recover, captureOptions) {
var _this = this;
if (captureOptions === void 0) { captureOptions = {}; }
var markerID = null;
try {
markerID = this.beginMarker(tag);
var result = task();
var wasSuccessful_1 = true;
if (result instanceof Promise) {
return result
.catch(function (e) {
wasSuccessful_1 = false;
return _this.onCaught(tag, e, recover, captureOptions);
})
.then(function (possiblyRecoveredResult) {
_this.endMarker(tag, wasSuccessful_1, markerID);
return possiblyRecoveredResult;
});
}
this.endMarker(tag, true, markerID, captureOptions.configName);
return result;
}
catch (error) {
this.endMarker(tag, false, markerID, captureOptions.configName);
return this.onCaught(tag, error, recover, captureOptions);
}
};
ErrorBoundary.prototype.logError = function (tag, error, _a) {
var _this = this;
var _b = _a === void 0 ? {} : _a, getExtraData = _b.getExtraData, configName = _b.configName;
if (this.sdkOptions.isAllLoggingDisabled()) {
return;
}
(function () { return __awaiter(_this, void 0, void 0, function () {
var extra, _a, _b, name_1, info, metadata, body, _error_1;
var _c;
return __generator(this, function (_d) {
switch (_d.label) {
case 0:
_d.trys.push([0, 4, , 5]);
if (!(typeof getExtraData === 'function')) return [3 /*break*/, 2];
return [4 /*yield*/, getExtraData()];
case 1:
_a = _d.sent();
return [3 /*break*/, 3];
case 2:
_a = {};
_d.label = 3;
case 3:
extra = _a;
_b = (0, parseError_1.default)(error), name_1 = _b.name, info = _b.trace;
extra["configName"] = configName;
if (this.seen.has(name_1))
return [2 /*return*/];
this.seen.add(name_1);
metadata = (_c = this.statsigMetadata) !== null && _c !== void 0 ? _c : {};
if (metadata.sessionID == null) {
metadata.sessionID = (0, uuid_1.v4)();
}
body = JSON.stringify({
tag: tag,
exception: name_1,
info: info,
statsigMetadata: metadata,
statsigOptions: this.sdkOptions.getLoggingCopy(),
extra: extra
});
return [2 /*return*/, fetch(exports.ExceptionEndpoint, {
method: 'POST',
headers: {
'STATSIG-API-KEY': this.sdkKey,
'STATSIG-SDK-TYPE': String(metadata['sdkType']),
'STATSIG-SDK-VERSION': String(metadata['sdkVersion']),
'Content-Type': 'application/json; charset=UTF-8',
},
body: body,
})];
case 4:
_error_1 = _d.sent();
return [3 /*break*/, 5];
case 5: return [2 /*return*/];
}
});
}); })().catch(function () {
/*noop*/
});
};
ErrorBoundary.prototype.setupDiagnostics = function (maxMarkers) {
Diagnostics_1.default.setMaxMarkers('api_call', maxMarkers);
};
ErrorBoundary.prototype.beginMarker = function (tag) {
var diagnostics = Diagnostics_1.default.mark.api_call(tag);
if (!diagnostics) {
return null;
}
var count = Diagnostics_1.default.getMarkerCount('api_call');
var markerID = tag + "_" + count;
var wasAdded = diagnostics.start({
markerID: markerID,
}, 'api_call');
return wasAdded ? markerID : null;
};
ErrorBoundary.prototype.endMarker = function (tag, wasSuccessful, markerID, configName) {
var diagnostics = Diagnostics_1.default.mark.api_call(tag);
if (!markerID || !diagnostics) {
return;
}
diagnostics.end({
markerID: markerID,
success: wasSuccessful,
configName: configName,
}, 'api_call');
};
ErrorBoundary.prototype.onCaught = function (tag, error, recover, captureOptions) {
if (captureOptions === void 0) { captureOptions = {}; }
if (error instanceof Errors_1.StatsigUninitializedError ||
error instanceof Errors_1.StatsigInvalidArgumentError) {
throw error; // Don't catch these
}
if (error instanceof Errors_1.StatsigInitializationTimeoutError) {
console.error('[Statsig] Timeout occured.', error);
return recover();
}
console.error('[Statsig] An unexpected exception occurred.', error);
this.logError(tag, error, captureOptions);
return recover();
};
return ErrorBoundary;
}());
exports.default = ErrorBoundary;