@microsoft/signalr
Version:
ASP.NET Core SignalR Client
709 lines • 40.8 kB
JavaScript
"use strict";
// 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 __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.");
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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 DefaultHttpClient_1 = require("./DefaultHttpClient");
var ILogger_1 = require("./ILogger");
var ITransport_1 = require("./ITransport");
var LongPollingTransport_1 = require("./LongPollingTransport");
var ServerSentEventsTransport_1 = require("./ServerSentEventsTransport");
var Utils_1 = require("./Utils");
var WebSocketTransport_1 = require("./WebSocketTransport");
var MAX_REDIRECTS = 100;
/** @private */
var HttpConnection = /** @class */ (function () {
function HttpConnection(url, options) {
if (options === void 0) { options = {}; }
this.stopPromiseResolver = function () { };
this.features = {};
this.negotiateVersion = 1;
Utils_1.Arg.isRequired(url, "url");
this.logger = Utils_1.createLogger(options.logger);
this.baseUrl = this.resolveUrl(url);
options = options || {};
options.logMessageContent = options.logMessageContent === undefined ? false : options.logMessageContent;
if (typeof options.withCredentials === "boolean" || options.withCredentials === undefined) {
options.withCredentials = options.withCredentials === undefined ? true : options.withCredentials;
}
else {
throw new Error("withCredentials option was not a 'boolean' or 'undefined' value");
}
var webSocketModule = null;
var eventSourceModule = null;
if (Utils_1.Platform.isNode && typeof require !== "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;
webSocketModule = requireFunc("ws");
eventSourceModule = requireFunc("eventsource");
}
if (!Utils_1.Platform.isNode && typeof WebSocket !== "undefined" && !options.WebSocket) {
options.WebSocket = WebSocket;
}
else if (Utils_1.Platform.isNode && !options.WebSocket) {
if (webSocketModule) {
options.WebSocket = webSocketModule;
}
}
if (!Utils_1.Platform.isNode && typeof EventSource !== "undefined" && !options.EventSource) {
options.EventSource = EventSource;
}
else if (Utils_1.Platform.isNode && !options.EventSource) {
if (typeof eventSourceModule !== "undefined") {
options.EventSource = eventSourceModule;
}
}
this.httpClient = options.httpClient || new DefaultHttpClient_1.DefaultHttpClient(this.logger);
this.connectionState = "Disconnected" /* Disconnected */;
this.connectionStarted = false;
this.options = options;
this.onreceive = null;
this.onclose = null;
}
HttpConnection.prototype.start = function (transferFormat) {
return __awaiter(this, void 0, void 0, function () {
var message, message;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
transferFormat = transferFormat || ITransport_1.TransferFormat.Binary;
Utils_1.Arg.isIn(transferFormat, ITransport_1.TransferFormat, "transferFormat");
this.logger.log(ILogger_1.LogLevel.Debug, "Starting connection with transfer format '" + ITransport_1.TransferFormat[transferFormat] + "'.");
if (this.connectionState !== "Disconnected" /* Disconnected */) {
return [2 /*return*/, Promise.reject(new Error("Cannot start an HttpConnection that is not in the 'Disconnected' state."))];
}
this.connectionState = "Connecting" /* Connecting */;
this.startInternalPromise = this.startInternal(transferFormat);
return [4 /*yield*/, this.startInternalPromise];
case 1:
_a.sent();
if (!(this.connectionState === "Disconnecting" /* Disconnecting */)) return [3 /*break*/, 3];
message = "Failed to start the HttpConnection before stop() was called.";
this.logger.log(ILogger_1.LogLevel.Error, message);
// We cannot await stopPromise inside startInternal since stopInternal awaits the startInternalPromise.
return [4 /*yield*/, this.stopPromise];
case 2:
// We cannot await stopPromise inside startInternal since stopInternal awaits the startInternalPromise.
_a.sent();
return [2 /*return*/, Promise.reject(new Error(message))];
case 3:
if (this.connectionState !== "Connected" /* Connected */) {
message = "HttpConnection.startInternal completed gracefully but didn't enter the connection into the connected state!";
this.logger.log(ILogger_1.LogLevel.Error, message);
return [2 /*return*/, Promise.reject(new Error(message))];
}
_a.label = 4;
case 4:
this.connectionStarted = true;
return [2 /*return*/];
}
});
});
};
HttpConnection.prototype.send = function (data) {
if (this.connectionState !== "Connected" /* Connected */) {
return Promise.reject(new Error("Cannot send data if the connection is not in the 'Connected' State."));
}
if (!this.sendQueue) {
this.sendQueue = new TransportSendQueue(this.transport);
}
// Transport will not be null if state is connected
return this.sendQueue.send(data);
};
HttpConnection.prototype.stop = function (error) {
return __awaiter(this, void 0, void 0, function () {
var _this = this;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
if (this.connectionState === "Disconnected" /* Disconnected */) {
this.logger.log(ILogger_1.LogLevel.Debug, "Call to HttpConnection.stop(" + error + ") ignored because the connection is already in the disconnected state.");
return [2 /*return*/, Promise.resolve()];
}
if (this.connectionState === "Disconnecting" /* Disconnecting */) {
this.logger.log(ILogger_1.LogLevel.Debug, "Call to HttpConnection.stop(" + error + ") ignored because the connection is already in the disconnecting state.");
return [2 /*return*/, this.stopPromise];
}
this.connectionState = "Disconnecting" /* Disconnecting */;
this.stopPromise = new Promise(function (resolve) {
// Don't complete stop() until stopConnection() completes.
_this.stopPromiseResolver = resolve;
});
// stopInternal should never throw so just observe it.
return [4 /*yield*/, this.stopInternal(error)];
case 1:
// stopInternal should never throw so just observe it.
_a.sent();
return [4 /*yield*/, this.stopPromise];
case 2:
_a.sent();
return [2 /*return*/];
}
});
});
};
HttpConnection.prototype.stopInternal = function (error) {
return __awaiter(this, void 0, void 0, function () {
var e_1, e_2;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
// Set error as soon as possible otherwise there is a race between
// the transport closing and providing an error and the error from a close message
// We would prefer the close message error.
this.stopError = error;
_a.label = 1;
case 1:
_a.trys.push([1, 3, , 4]);
return [4 /*yield*/, this.startInternalPromise];
case 2:
_a.sent();
return [3 /*break*/, 4];
case 3:
e_1 = _a.sent();
return [3 /*break*/, 4];
case 4:
if (!this.transport) return [3 /*break*/, 9];
_a.label = 5;
case 5:
_a.trys.push([5, 7, , 8]);
return [4 /*yield*/, this.transport.stop()];
case 6:
_a.sent();
return [3 /*break*/, 8];
case 7:
e_2 = _a.sent();
this.logger.log(ILogger_1.LogLevel.Error, "HttpConnection.transport.stop() threw error '" + e_2 + "'.");
this.stopConnection();
return [3 /*break*/, 8];
case 8:
this.transport = undefined;
return [3 /*break*/, 10];
case 9:
this.logger.log(ILogger_1.LogLevel.Debug, "HttpConnection.transport is undefined in HttpConnection.stop() because start() failed.");
_a.label = 10;
case 10: return [2 /*return*/];
}
});
});
};
HttpConnection.prototype.startInternal = function (transferFormat) {
return __awaiter(this, void 0, void 0, function () {
var url, negotiateResponse, redirects, _loop_1, this_1, e_3;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
url = this.baseUrl;
this.accessTokenFactory = this.options.accessTokenFactory;
_a.label = 1;
case 1:
_a.trys.push([1, 12, , 13]);
if (!this.options.skipNegotiation) return [3 /*break*/, 5];
if (!(this.options.transport === ITransport_1.HttpTransportType.WebSockets)) return [3 /*break*/, 3];
// No need to add a connection ID in this case
this.transport = this.constructTransport(ITransport_1.HttpTransportType.WebSockets);
// We should just call connect directly in this case.
// No fallback or negotiate in this case.
return [4 /*yield*/, this.startTransport(url, transferFormat)];
case 2:
// We should just call connect directly in this case.
// No fallback or negotiate in this case.
_a.sent();
return [3 /*break*/, 4];
case 3: throw new Error("Negotiation can only be skipped when using the WebSocket transport directly.");
case 4: return [3 /*break*/, 11];
case 5:
negotiateResponse = null;
redirects = 0;
_loop_1 = function () {
var accessToken_1;
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, this_1.getNegotiationResponse(url)];
case 1:
negotiateResponse = _a.sent();
// the user tries to stop the connection when it is being started
if (this_1.connectionState === "Disconnecting" /* Disconnecting */ || this_1.connectionState === "Disconnected" /* Disconnected */) {
throw new Error("The connection was stopped during negotiation.");
}
if (negotiateResponse.error) {
throw new Error(negotiateResponse.error);
}
if (negotiateResponse.ProtocolVersion) {
throw new Error("Detected a connection attempt to an ASP.NET SignalR Server. This client only supports connecting to an ASP.NET Core SignalR Server. See https://aka.ms/signalr-core-differences for details.");
}
if (negotiateResponse.url) {
url = negotiateResponse.url;
}
if (negotiateResponse.accessToken) {
accessToken_1 = negotiateResponse.accessToken;
this_1.accessTokenFactory = function () { return accessToken_1; };
}
redirects++;
return [2 /*return*/];
}
});
};
this_1 = this;
_a.label = 6;
case 6: return [5 /*yield**/, _loop_1()];
case 7:
_a.sent();
_a.label = 8;
case 8:
if (negotiateResponse.url && redirects < MAX_REDIRECTS) return [3 /*break*/, 6];
_a.label = 9;
case 9:
if (redirects === MAX_REDIRECTS && negotiateResponse.url) {
throw new Error("Negotiate redirection limit exceeded.");
}
return [4 /*yield*/, this.createTransport(url, this.options.transport, negotiateResponse, transferFormat)];
case 10:
_a.sent();
_a.label = 11;
case 11:
if (this.transport instanceof LongPollingTransport_1.LongPollingTransport) {
this.features.inherentKeepAlive = true;
}
if (this.connectionState === "Connecting" /* Connecting */) {
// Ensure the connection transitions to the connected state prior to completing this.startInternalPromise.
// start() will handle the case when stop was called and startInternal exits still in the disconnecting state.
this.logger.log(ILogger_1.LogLevel.Debug, "The HttpConnection connected successfully.");
this.connectionState = "Connected" /* Connected */;
}
return [3 /*break*/, 13];
case 12:
e_3 = _a.sent();
this.logger.log(ILogger_1.LogLevel.Error, "Failed to start the connection: " + e_3);
this.connectionState = "Disconnected" /* Disconnected */;
this.transport = undefined;
// if start fails, any active calls to stop assume that start will complete the stop promise
this.stopPromiseResolver();
return [2 /*return*/, Promise.reject(e_3)];
case 13: return [2 /*return*/];
}
});
});
};
HttpConnection.prototype.getNegotiationResponse = function (url) {
return __awaiter(this, void 0, void 0, function () {
var headers, token, _a, name, value, negotiateUrl, response, negotiateResponse, e_4;
return __generator(this, function (_b) {
switch (_b.label) {
case 0:
headers = {};
if (!this.accessTokenFactory) return [3 /*break*/, 2];
return [4 /*yield*/, this.accessTokenFactory()];
case 1:
token = _b.sent();
if (token) {
headers["Authorization"] = "Bearer " + token;
}
_b.label = 2;
case 2:
_a = Utils_1.getUserAgentHeader(), name = _a[0], value = _a[1];
headers[name] = value;
negotiateUrl = this.resolveNegotiateUrl(url);
this.logger.log(ILogger_1.LogLevel.Debug, "Sending negotiation request: " + negotiateUrl + ".");
_b.label = 3;
case 3:
_b.trys.push([3, 5, , 6]);
return [4 /*yield*/, this.httpClient.post(negotiateUrl, {
content: "",
headers: __assign({}, headers, this.options.headers),
withCredentials: this.options.withCredentials,
})];
case 4:
response = _b.sent();
if (response.statusCode !== 200) {
return [2 /*return*/, Promise.reject(new Error("Unexpected status code returned from negotiate '" + response.statusCode + "'"))];
}
negotiateResponse = JSON.parse(response.content);
if (!negotiateResponse.negotiateVersion || negotiateResponse.negotiateVersion < 1) {
// Negotiate version 0 doesn't use connectionToken
// So we set it equal to connectionId so all our logic can use connectionToken without being aware of the negotiate version
negotiateResponse.connectionToken = negotiateResponse.connectionId;
}
return [2 /*return*/, negotiateResponse];
case 5:
e_4 = _b.sent();
this.logger.log(ILogger_1.LogLevel.Error, "Failed to complete negotiation with the server: " + e_4);
return [2 /*return*/, Promise.reject(e_4)];
case 6: return [2 /*return*/];
}
});
});
};
HttpConnection.prototype.createConnectUrl = function (url, connectionToken) {
if (!connectionToken) {
return url;
}
return url + (url.indexOf("?") === -1 ? "?" : "&") + ("id=" + connectionToken);
};
HttpConnection.prototype.createTransport = function (url, requestedTransport, negotiateResponse, requestedTransferFormat) {
return __awaiter(this, void 0, void 0, function () {
var connectUrl, transportExceptions, transports, negotiate, _i, transports_1, endpoint, transportOrError, ex_1, ex_2, message;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
connectUrl = this.createConnectUrl(url, negotiateResponse.connectionToken);
if (!this.isITransport(requestedTransport)) return [3 /*break*/, 2];
this.logger.log(ILogger_1.LogLevel.Debug, "Connection was provided an instance of ITransport, using that directly.");
this.transport = requestedTransport;
return [4 /*yield*/, this.startTransport(connectUrl, requestedTransferFormat)];
case 1:
_a.sent();
this.connectionId = negotiateResponse.connectionId;
return [2 /*return*/];
case 2:
transportExceptions = [];
transports = negotiateResponse.availableTransports || [];
negotiate = negotiateResponse;
_i = 0, transports_1 = transports;
_a.label = 3;
case 3:
if (!(_i < transports_1.length)) return [3 /*break*/, 13];
endpoint = transports_1[_i];
transportOrError = this.resolveTransportOrError(endpoint, requestedTransport, requestedTransferFormat);
if (!(transportOrError instanceof Error)) return [3 /*break*/, 4];
// Store the error and continue, we don't want to cause a re-negotiate in these cases
transportExceptions.push(endpoint.transport + " failed: " + transportOrError);
return [3 /*break*/, 12];
case 4:
if (!this.isITransport(transportOrError)) return [3 /*break*/, 12];
this.transport = transportOrError;
if (!!negotiate) return [3 /*break*/, 9];
_a.label = 5;
case 5:
_a.trys.push([5, 7, , 8]);
return [4 /*yield*/, this.getNegotiationResponse(url)];
case 6:
negotiate = _a.sent();
return [3 /*break*/, 8];
case 7:
ex_1 = _a.sent();
return [2 /*return*/, Promise.reject(ex_1)];
case 8:
connectUrl = this.createConnectUrl(url, negotiate.connectionToken);
_a.label = 9;
case 9:
_a.trys.push([9, 11, , 12]);
return [4 /*yield*/, this.startTransport(connectUrl, requestedTransferFormat)];
case 10:
_a.sent();
this.connectionId = negotiate.connectionId;
return [2 /*return*/];
case 11:
ex_2 = _a.sent();
this.logger.log(ILogger_1.LogLevel.Error, "Failed to start the transport '" + endpoint.transport + "': " + ex_2);
negotiate = undefined;
transportExceptions.push(endpoint.transport + " failed: " + ex_2);
if (this.connectionState !== "Connecting" /* Connecting */) {
message = "Failed to select transport before stop() was called.";
this.logger.log(ILogger_1.LogLevel.Debug, message);
return [2 /*return*/, Promise.reject(new Error(message))];
}
return [3 /*break*/, 12];
case 12:
_i++;
return [3 /*break*/, 3];
case 13:
if (transportExceptions.length > 0) {
return [2 /*return*/, Promise.reject(new Error("Unable to connect to the server with any of the available transports. " + transportExceptions.join(" ")))];
}
return [2 /*return*/, Promise.reject(new Error("None of the transports supported by the client are supported by the server."))];
}
});
});
};
HttpConnection.prototype.constructTransport = function (transport) {
switch (transport) {
case ITransport_1.HttpTransportType.WebSockets:
if (!this.options.WebSocket) {
throw new Error("'WebSocket' is not supported in your environment.");
}
return new WebSocketTransport_1.WebSocketTransport(this.httpClient, this.accessTokenFactory, this.logger, this.options.logMessageContent || false, this.options.WebSocket, this.options.headers || {});
case ITransport_1.HttpTransportType.ServerSentEvents:
if (!this.options.EventSource) {
throw new Error("'EventSource' is not supported in your environment.");
}
return new ServerSentEventsTransport_1.ServerSentEventsTransport(this.httpClient, this.accessTokenFactory, this.logger, this.options.logMessageContent || false, this.options.EventSource, this.options.withCredentials, this.options.headers || {});
case ITransport_1.HttpTransportType.LongPolling:
return new LongPollingTransport_1.LongPollingTransport(this.httpClient, this.accessTokenFactory, this.logger, this.options.logMessageContent || false, this.options.withCredentials, this.options.headers || {});
default:
throw new Error("Unknown transport: " + transport + ".");
}
};
HttpConnection.prototype.startTransport = function (url, transferFormat) {
var _this = this;
this.transport.onreceive = this.onreceive;
this.transport.onclose = function (e) { return _this.stopConnection(e); };
return this.transport.connect(url, transferFormat);
};
HttpConnection.prototype.resolveTransportOrError = function (endpoint, requestedTransport, requestedTransferFormat) {
var transport = ITransport_1.HttpTransportType[endpoint.transport];
if (transport === null || transport === undefined) {
this.logger.log(ILogger_1.LogLevel.Debug, "Skipping transport '" + endpoint.transport + "' because it is not supported by this client.");
return new Error("Skipping transport '" + endpoint.transport + "' because it is not supported by this client.");
}
else {
if (transportMatches(requestedTransport, transport)) {
var transferFormats = endpoint.transferFormats.map(function (s) { return ITransport_1.TransferFormat[s]; });
if (transferFormats.indexOf(requestedTransferFormat) >= 0) {
if ((transport === ITransport_1.HttpTransportType.WebSockets && !this.options.WebSocket) ||
(transport === ITransport_1.HttpTransportType.ServerSentEvents && !this.options.EventSource)) {
this.logger.log(ILogger_1.LogLevel.Debug, "Skipping transport '" + ITransport_1.HttpTransportType[transport] + "' because it is not supported in your environment.'");
return new Error("'" + ITransport_1.HttpTransportType[transport] + "' is not supported in your environment.");
}
else {
this.logger.log(ILogger_1.LogLevel.Debug, "Selecting transport '" + ITransport_1.HttpTransportType[transport] + "'.");
try {
return this.constructTransport(transport);
}
catch (ex) {
return ex;
}
}
}
else {
this.logger.log(ILogger_1.LogLevel.Debug, "Skipping transport '" + ITransport_1.HttpTransportType[transport] + "' because it does not support the requested transfer format '" + ITransport_1.TransferFormat[requestedTransferFormat] + "'.");
return new Error("'" + ITransport_1.HttpTransportType[transport] + "' does not support " + ITransport_1.TransferFormat[requestedTransferFormat] + ".");
}
}
else {
this.logger.log(ILogger_1.LogLevel.Debug, "Skipping transport '" + ITransport_1.HttpTransportType[transport] + "' because it was disabled by the client.");
return new Error("'" + ITransport_1.HttpTransportType[transport] + "' is disabled by the client.");
}
}
};
HttpConnection.prototype.isITransport = function (transport) {
return transport && typeof (transport) === "object" && "connect" in transport;
};
HttpConnection.prototype.stopConnection = function (error) {
var _this = this;
this.logger.log(ILogger_1.LogLevel.Debug, "HttpConnection.stopConnection(" + error + ") called while in state " + this.connectionState + ".");
this.transport = undefined;
// If we have a stopError, it takes precedence over the error from the transport
error = this.stopError || error;
this.stopError = undefined;
if (this.connectionState === "Disconnected" /* Disconnected */) {
this.logger.log(ILogger_1.LogLevel.Debug, "Call to HttpConnection.stopConnection(" + error + ") was ignored because the connection is already in the disconnected state.");
return;
}
if (this.connectionState === "Connecting" /* Connecting */) {
this.logger.log(ILogger_1.LogLevel.Warning, "Call to HttpConnection.stopConnection(" + error + ") was ignored because the connection is still in the connecting state.");
throw new Error("HttpConnection.stopConnection(" + error + ") was called while the connection is still in the connecting state.");
}
if (this.connectionState === "Disconnecting" /* Disconnecting */) {
// A call to stop() induced this call to stopConnection and needs to be completed.
// Any stop() awaiters will be scheduled to continue after the onclose callback fires.
this.stopPromiseResolver();
}
if (error) {
this.logger.log(ILogger_1.LogLevel.Error, "Connection disconnected with error '" + error + "'.");
}
else {
this.logger.log(ILogger_1.LogLevel.Information, "Connection disconnected.");
}
if (this.sendQueue) {
this.sendQueue.stop().catch(function (e) {
_this.logger.log(ILogger_1.LogLevel.Error, "TransportSendQueue.stop() threw error '" + e + "'.");
});
this.sendQueue = undefined;
}
this.connectionId = undefined;
this.connectionState = "Disconnected" /* Disconnected */;
if (this.connectionStarted) {
this.connectionStarted = false;
try {
if (this.onclose) {
this.onclose(error);
}
}
catch (e) {
this.logger.log(ILogger_1.LogLevel.Error, "HttpConnection.onclose(" + error + ") threw error '" + e + "'.");
}
}
};
HttpConnection.prototype.resolveUrl = function (url) {
// startsWith is not supported in IE
if (url.lastIndexOf("https://", 0) === 0 || url.lastIndexOf("http://", 0) === 0) {
return url;
}
if (!Utils_1.Platform.isBrowser || !window.document) {
throw new Error("Cannot resolve '" + url + "'.");
}
// Setting the url to the href propery of an anchor tag handles normalization
// for us. There are 3 main cases.
// 1. Relative path normalization e.g "b" -> "http://localhost:5000/a/b"
// 2. Absolute path normalization e.g "/a/b" -> "http://localhost:5000/a/b"
// 3. Networkpath reference normalization e.g "//localhost:5000/a/b" -> "http://localhost:5000/a/b"
var aTag = window.document.createElement("a");
aTag.href = url;
this.logger.log(ILogger_1.LogLevel.Information, "Normalizing '" + url + "' to '" + aTag.href + "'.");
return aTag.href;
};
HttpConnection.prototype.resolveNegotiateUrl = function (url) {
var index = url.indexOf("?");
var negotiateUrl = url.substring(0, index === -1 ? url.length : index);
if (negotiateUrl[negotiateUrl.length - 1] !== "/") {
negotiateUrl += "/";
}
negotiateUrl += "negotiate";
negotiateUrl += index === -1 ? "" : url.substring(index);
if (negotiateUrl.indexOf("negotiateVersion") === -1) {
negotiateUrl += index === -1 ? "?" : "&";
negotiateUrl += "negotiateVersion=" + this.negotiateVersion;
}
return negotiateUrl;
};
return HttpConnection;
}());
exports.HttpConnection = HttpConnection;
function transportMatches(requestedTransport, actualTransport) {
return !requestedTransport || ((actualTransport & requestedTransport) !== 0);
}
/** @private */
var TransportSendQueue = /** @class */ (function () {
function TransportSendQueue(transport) {
this.transport = transport;
this.buffer = [];
this.executing = true;
this.sendBufferedData = new PromiseSource();
this.transportResult = new PromiseSource();
this.sendLoopPromise = this.sendLoop();
}
TransportSendQueue.prototype.send = function (data) {
this.bufferData(data);
if (!this.transportResult) {
this.transportResult = new PromiseSource();
}
return this.transportResult.promise;
};
TransportSendQueue.prototype.stop = function () {
this.executing = false;
this.sendBufferedData.resolve();
return this.sendLoopPromise;
};
TransportSendQueue.prototype.bufferData = function (data) {
if (this.buffer.length && typeof (this.buffer[0]) !== typeof (data)) {
throw new Error("Expected data to be of type " + typeof (this.buffer) + " but was of type " + typeof (data));
}
this.buffer.push(data);
this.sendBufferedData.resolve();
};
TransportSendQueue.prototype.sendLoop = function () {
return __awaiter(this, void 0, void 0, function () {
var transportResult, data, error_1;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
if (!true) return [3 /*break*/, 6];
return [4 /*yield*/, this.sendBufferedData.promise];
case 1:
_a.sent();
if (!this.executing) {
if (this.transportResult) {
this.transportResult.reject("Connection stopped.");
}
return [3 /*break*/, 6];
}
this.sendBufferedData = new PromiseSource();
transportResult = this.transportResult;
this.transportResult = undefined;
data = typeof (this.buffer[0]) === "string" ?
this.buffer.join("") :
TransportSendQueue.concatBuffers(this.buffer);
this.buffer.length = 0;
_a.label = 2;
case 2:
_a.trys.push([2, 4, , 5]);
return [4 /*yield*/, this.transport.send(data)];
case 3:
_a.sent();
transportResult.resolve();
return [3 /*break*/, 5];
case 4:
error_1 = _a.sent();
transportResult.reject(error_1);
return [3 /*break*/, 5];
case 5: return [3 /*break*/, 0];
case 6: return [2 /*return*/];
}
});
});
};
TransportSendQueue.concatBuffers = function (arrayBuffers) {
var totalLength = arrayBuffers.map(function (b) { return b.byteLength; }).reduce(function (a, b) { return a + b; });
var result = new Uint8Array(totalLength);
var offset = 0;
for (var _i = 0, arrayBuffers_1 = arrayBuffers; _i < arrayBuffers_1.length; _i++) {
var item = arrayBuffers_1[_i];
result.set(new Uint8Array(item), offset);
offset += item.byteLength;
}
return result.buffer;
};
return TransportSendQueue;
}());
exports.TransportSendQueue = TransportSendQueue;
var PromiseSource = /** @class */ (function () {
function PromiseSource() {
var _this = this;
this.promise = new Promise(function (resolve, reject) {
var _a;
return _a = [resolve, reject], _this.resolver = _a[0], _this.rejecter = _a[1], _a;
});
}
PromiseSource.prototype.resolve = function () {
this.resolver();
};
PromiseSource.prototype.reject = function (reason) {
this.rejecter(reason);
};
return PromiseSource;
}());
//# sourceMappingURL=HttpConnection.js.map