@microsoft/signalr
Version:
ASP.NET Core SignalR Client
195 lines • 10.2 kB
JavaScript
;
// Copyright (c) .NET Foundation. All rights reserved.
// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
var __extends = (this && this.__extends) || (function () {
var extendStatics = Object.setPrototypeOf ||
({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
return function (d, b) {
extendStatics(d, b);
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
})();
var __assign = (this && this.__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;
};
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 Errors_1 = require("./Errors");
var HttpClient_1 = require("./HttpClient");
var ILogger_1 = require("./ILogger");
var Utils_1 = require("./Utils");
var FetchHttpClient = /** @class */ (function (_super) {
__extends(FetchHttpClient, _super);
function FetchHttpClient(logger) {
var _this = _super.call(this) || this;
_this.logger = logger;
if (typeof fetch === "undefined") {
// In order to ignore the dynamic require in webpack builds we need to do this magic
// @ts-ignore: TS doesn't know about these names
var requireFunc = typeof __webpack_require__ === "function" ? __non_webpack_require__ : require;
// Cookies aren't automatically handled in Node so we need to add a CookieJar to preserve cookies across requests
_this.jar = new (requireFunc("tough-cookie")).CookieJar();
_this.fetchType = requireFunc("node-fetch");
// node-fetch doesn't have a nice API for getting and setting cookies
// fetch-cookie will wrap a fetch implementation with a default CookieJar or a provided one
_this.fetchType = requireFunc("fetch-cookie")(_this.fetchType, _this.jar);
// Node needs EventListener methods on AbortController which our custom polyfill doesn't provide
_this.abortControllerType = requireFunc("abort-controller");
}
else {
_this.fetchType = fetch.bind(self);
_this.abortControllerType = AbortController;
}
return _this;
}
/** @inheritDoc */
FetchHttpClient.prototype.send = function (request) {
return __awaiter(this, void 0, void 0, function () {
var abortController, error, timeoutId, msTimeout, response, e_1, content, payload;
var _this = this;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
// Check that abort was not signaled before calling send
if (request.abortSignal && request.abortSignal.aborted) {
throw new Errors_1.AbortError();
}
if (!request.method) {
throw new Error("No method defined.");
}
if (!request.url) {
throw new Error("No url defined.");
}
abortController = new this.abortControllerType();
// Hook our abortSignal into the abort controller
if (request.abortSignal) {
request.abortSignal.onabort = function () {
abortController.abort();
error = new Errors_1.AbortError();
};
}
timeoutId = null;
if (request.timeout) {
msTimeout = request.timeout;
timeoutId = setTimeout(function () {
abortController.abort();
_this.logger.log(ILogger_1.LogLevel.Warning, "Timeout from HTTP request.");
error = new Errors_1.TimeoutError();
}, msTimeout);
}
_a.label = 1;
case 1:
_a.trys.push([1, 3, 4, 5]);
return [4 /*yield*/, this.fetchType(request.url, {
body: request.content,
cache: "no-cache",
credentials: request.withCredentials === true ? "include" : "same-origin",
headers: __assign({ "Content-Type": "text/plain;charset=UTF-8", "X-Requested-With": "XMLHttpRequest" }, request.headers),
method: request.method,
mode: "cors",
redirect: "manual",
signal: abortController.signal,
})];
case 2:
response = _a.sent();
return [3 /*break*/, 5];
case 3:
e_1 = _a.sent();
if (error) {
throw error;
}
this.logger.log(ILogger_1.LogLevel.Warning, "Error from HTTP request. " + e_1 + ".");
throw e_1;
case 4:
if (timeoutId) {
clearTimeout(timeoutId);
}
if (request.abortSignal) {
request.abortSignal.onabort = null;
}
return [7 /*endfinally*/];
case 5:
if (!response.ok) {
throw new Errors_1.HttpError(response.statusText, response.status);
}
content = deserializeContent(response, request.responseType);
return [4 /*yield*/, content];
case 6:
payload = _a.sent();
return [2 /*return*/, new HttpClient_1.HttpResponse(response.status, response.statusText, payload)];
}
});
});
};
FetchHttpClient.prototype.getCookieString = function (url) {
var cookies = "";
if (Utils_1.Platform.isNode && this.jar) {
// @ts-ignore: unused variable
this.jar.getCookies(url, function (e, c) { return cookies = c.join("; "); });
}
return cookies;
};
return FetchHttpClient;
}(HttpClient_1.HttpClient));
exports.FetchHttpClient = FetchHttpClient;
function deserializeContent(response, responseType) {
var content;
switch (responseType) {
case "arraybuffer":
content = response.arrayBuffer();
break;
case "text":
content = response.text();
break;
case "blob":
case "document":
case "json":
throw new Error(responseType + " is not supported.");
default:
content = response.text();
break;
}
return content;
}
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