@@ -17,6 +18,7 @@ } @Html.Raw(Model.Article.ContentHtml) + @(await Html.RenderComponentAsync(RenderMode.ServerPrerendered)) @@ -32,3 +34,46 @@ Наверх

+ + + \ No newline at end of file diff --git a/BadNews/Views/Shared/_Layout.cshtml b/BadNews/Views/Shared/_Layout.cshtml index 2064456..159a9fd 100644 --- a/BadNews/Views/Shared/_Layout.cshtml +++ b/BadNews/Views/Shared/_Layout.cshtml @@ -12,7 +12,7 @@ - +
@@ -27,8 +27,11 @@ @RenderSection("Header", false)
- @RenderBody() + + @RenderBody() + + diff --git a/BadNews/_Imports.razor b/BadNews/_Imports.razor new file mode 100644 index 0000000..e1b2d72 --- /dev/null +++ b/BadNews/_Imports.razor @@ -0,0 +1,5 @@ +@using Microsoft.AspNetCore.Authorization; +@using Microsoft.AspNetCore.Components.Authorization; +@using Microsoft.AspNetCore.Components.Forms; +@using Microsoft.AspNetCore.Components.Routing; +@using Microsoft.AspNetCore.Components.Web; \ No newline at end of file diff --git a/BadNews/libman.json b/BadNews/libman.json new file mode 100644 index 0000000..a1d57d0 --- /dev/null +++ b/BadNews/libman.json @@ -0,0 +1,14 @@ +{ + "version": "1.0", + "defaultProvider": "unpkg", + "libraries": [ + { + "library": "@microsoft/signalr@latest", + "destination": "wwwroot/js/signalr", + "files": [ + "dist/browser/signalr.js", + "dist/browser/signalr.min.js" + ] + } + ] +} \ No newline at end of file diff --git a/BadNews/wwwroot/js/signalr/dist/browser/signalr.js b/BadNews/wwwroot/js/signalr/dist/browser/signalr.js new file mode 100644 index 0000000..6fe8f21 --- /dev/null +++ b/BadNews/wwwroot/js/signalr/dist/browser/signalr.js @@ -0,0 +1,3557 @@ +(function webpackUniversalModuleDefinition(root, factory) { + if(typeof exports === 'object' && typeof module === 'object') + module.exports = factory(); + else if(typeof define === 'function' && define.amd) + define([], factory); + else if(typeof exports === 'object') + exports["signalR"] = factory(); + else + root["signalR"] = factory(); +})(self, () => { +return /******/ (() => { // webpackBootstrap +/******/ "use strict"; +/******/ // The require scope +/******/ var __webpack_require__ = {}; +/******/ +/************************************************************************/ +/******/ /* webpack/runtime/define property getters */ +/******/ (() => { +/******/ // define getter functions for harmony exports +/******/ __webpack_require__.d = (exports, definition) => { +/******/ for(var key in definition) { +/******/ if(__webpack_require__.o(definition, key) && !__webpack_require__.o(exports, key)) { +/******/ Object.defineProperty(exports, key, { enumerable: true, get: definition[key] }); +/******/ } +/******/ } +/******/ }; +/******/ })(); +/******/ +/******/ /* webpack/runtime/global */ +/******/ (() => { +/******/ __webpack_require__.g = (function() { +/******/ if (typeof globalThis === 'object') return globalThis; +/******/ try { +/******/ return this || new Function('return this')(); +/******/ } catch (e) { +/******/ if (typeof window === 'object') return window; +/******/ } +/******/ })(); +/******/ })(); +/******/ +/******/ /* webpack/runtime/hasOwnProperty shorthand */ +/******/ (() => { +/******/ __webpack_require__.o = (obj, prop) => (Object.prototype.hasOwnProperty.call(obj, prop)) +/******/ })(); +/******/ +/******/ /* webpack/runtime/make namespace object */ +/******/ (() => { +/******/ // define __esModule on exports +/******/ __webpack_require__.r = (exports) => { +/******/ if(typeof Symbol !== 'undefined' && Symbol.toStringTag) { +/******/ Object.defineProperty(exports, Symbol.toStringTag, { value: 'Module' }); +/******/ } +/******/ Object.defineProperty(exports, '__esModule', { value: true }); +/******/ }; +/******/ })(); +/******/ +/************************************************************************/ +var __webpack_exports__ = {}; +// ESM COMPAT FLAG +__webpack_require__.r(__webpack_exports__); + +// EXPORTS +__webpack_require__.d(__webpack_exports__, { + "AbortError": () => (/* reexport */ AbortError), + "DefaultHttpClient": () => (/* reexport */ DefaultHttpClient), + "HttpClient": () => (/* reexport */ HttpClient), + "HttpError": () => (/* reexport */ HttpError), + "HttpResponse": () => (/* reexport */ HttpResponse), + "HttpTransportType": () => (/* reexport */ HttpTransportType), + "HubConnection": () => (/* reexport */ HubConnection), + "HubConnectionBuilder": () => (/* reexport */ HubConnectionBuilder), + "HubConnectionState": () => (/* reexport */ HubConnectionState), + "JsonHubProtocol": () => (/* reexport */ JsonHubProtocol), + "LogLevel": () => (/* reexport */ LogLevel), + "MessageType": () => (/* reexport */ MessageType), + "NullLogger": () => (/* reexport */ NullLogger), + "Subject": () => (/* reexport */ Subject), + "TimeoutError": () => (/* reexport */ TimeoutError), + "TransferFormat": () => (/* reexport */ TransferFormat), + "VERSION": () => (/* reexport */ VERSION) +}); + +;// CONCATENATED MODULE: ./src/Errors.ts +// Licensed to the .NET Foundation under one or more agreements. +// The .NET Foundation licenses this file to you under the MIT license. +/** Error thrown when an HTTP request fails. */ +class HttpError extends Error { + /** Constructs a new instance of {@link @microsoft/signalr.HttpError}. + * + * @param {string} errorMessage A descriptive error message. + * @param {number} statusCode The HTTP status code represented by this error. + */ + constructor(errorMessage, statusCode) { + const trueProto = new.target.prototype; + super(`${errorMessage}: Status code '${statusCode}'`); + this.statusCode = statusCode; + // Workaround issue in Typescript compiler + // https://github.com/Microsoft/TypeScript/issues/13965#issuecomment-278570200 + this.__proto__ = trueProto; + } +} +/** Error thrown when a timeout elapses. */ +class TimeoutError extends Error { + /** Constructs a new instance of {@link @microsoft/signalr.TimeoutError}. + * + * @param {string} errorMessage A descriptive error message. + */ + constructor(errorMessage = "A timeout occurred.") { + const trueProto = new.target.prototype; + super(errorMessage); + // Workaround issue in Typescript compiler + // https://github.com/Microsoft/TypeScript/issues/13965#issuecomment-278570200 + this.__proto__ = trueProto; + } +} +/** Error thrown when an action is aborted. */ +class AbortError extends Error { + /** Constructs a new instance of {@link AbortError}. + * + * @param {string} errorMessage A descriptive error message. + */ + constructor(errorMessage = "An abort occurred.") { + const trueProto = new.target.prototype; + super(errorMessage); + // Workaround issue in Typescript compiler + // https://github.com/Microsoft/TypeScript/issues/13965#issuecomment-278570200 + this.__proto__ = trueProto; + } +} +/** Error thrown when the selected transport is unsupported by the browser. */ +/** @private */ +class UnsupportedTransportError extends Error { + /** Constructs a new instance of {@link @microsoft/signalr.UnsupportedTransportError}. + * + * @param {string} message A descriptive error message. + * @param {HttpTransportType} transport The {@link @microsoft/signalr.HttpTransportType} this error occurred on. + */ + constructor(message, transport) { + const trueProto = new.target.prototype; + super(message); + this.transport = transport; + this.errorType = 'UnsupportedTransportError'; + // Workaround issue in Typescript compiler + // https://github.com/Microsoft/TypeScript/issues/13965#issuecomment-278570200 + this.__proto__ = trueProto; + } +} +/** Error thrown when the selected transport is disabled by the browser. */ +/** @private */ +class DisabledTransportError extends Error { + /** Constructs a new instance of {@link @microsoft/signalr.DisabledTransportError}. + * + * @param {string} message A descriptive error message. + * @param {HttpTransportType} transport The {@link @microsoft/signalr.HttpTransportType} this error occurred on. + */ + constructor(message, transport) { + const trueProto = new.target.prototype; + super(message); + this.transport = transport; + this.errorType = 'DisabledTransportError'; + // Workaround issue in Typescript compiler + // https://github.com/Microsoft/TypeScript/issues/13965#issuecomment-278570200 + this.__proto__ = trueProto; + } +} +/** Error thrown when the selected transport cannot be started. */ +/** @private */ +class FailedToStartTransportError extends Error { + /** Constructs a new instance of {@link @microsoft/signalr.FailedToStartTransportError}. + * + * @param {string} message A descriptive error message. + * @param {HttpTransportType} transport The {@link @microsoft/signalr.HttpTransportType} this error occurred on. + */ + constructor(message, transport) { + const trueProto = new.target.prototype; + super(message); + this.transport = transport; + this.errorType = 'FailedToStartTransportError'; + // Workaround issue in Typescript compiler + // https://github.com/Microsoft/TypeScript/issues/13965#issuecomment-278570200 + this.__proto__ = trueProto; + } +} +/** Error thrown when the negotiation with the server failed to complete. */ +/** @private */ +class FailedToNegotiateWithServerError extends Error { + /** Constructs a new instance of {@link @microsoft/signalr.FailedToNegotiateWithServerError}. + * + * @param {string} message A descriptive error message. + */ + constructor(message) { + const trueProto = new.target.prototype; + super(message); + this.errorType = 'FailedToNegotiateWithServerError'; + // Workaround issue in Typescript compiler + // https://github.com/Microsoft/TypeScript/issues/13965#issuecomment-278570200 + this.__proto__ = trueProto; + } +} +/** Error thrown when multiple errors have occurred. */ +/** @private */ +class AggregateErrors extends Error { + /** Constructs a new instance of {@link @microsoft/signalr.AggregateErrors}. + * + * @param {string} message A descriptive error message. + * @param {Error[]} innerErrors The collection of errors this error is aggregating. + */ + constructor(message, innerErrors) { + const trueProto = new.target.prototype; + super(message); + this.innerErrors = innerErrors; + // Workaround issue in Typescript compiler + // https://github.com/Microsoft/TypeScript/issues/13965#issuecomment-278570200 + this.__proto__ = trueProto; + } +} + +;// CONCATENATED MODULE: ./src/HttpClient.ts +// Licensed to the .NET Foundation under one or more agreements. +// The .NET Foundation licenses this file to you under the MIT license. +/** Represents an HTTP response. */ +class HttpResponse { + constructor(statusCode, statusText, content) { + this.statusCode = statusCode; + this.statusText = statusText; + this.content = content; + } +} +/** Abstraction over an HTTP client. + * + * This class provides an abstraction over an HTTP client so that a different implementation can be provided on different platforms. + */ +class HttpClient { + get(url, options) { + return this.send({ + ...options, + method: "GET", + url, + }); + } + post(url, options) { + return this.send({ + ...options, + method: "POST", + url, + }); + } + delete(url, options) { + return this.send({ + ...options, + method: "DELETE", + url, + }); + } + /** Gets all cookies that apply to the specified URL. + * + * @param url The URL that the cookies are valid for. + * @returns {string} A string containing all the key-value cookie pairs for the specified URL. + */ + // @ts-ignore + getCookieString(url) { + return ""; + } +} + +;// CONCATENATED MODULE: ./src/ILogger.ts +// Licensed to the .NET Foundation under one or more agreements. +// The .NET Foundation licenses this file to you under the MIT license. +// These values are designed to match the ASP.NET Log Levels since that's the pattern we're emulating here. +/** Indicates the severity of a log message. + * + * Log Levels are ordered in increasing severity. So `Debug` is more severe than `Trace`, etc. + */ +var LogLevel; +(function (LogLevel) { + /** Log level for very low severity diagnostic messages. */ + LogLevel[LogLevel["Trace"] = 0] = "Trace"; + /** Log level for low severity diagnostic messages. */ + LogLevel[LogLevel["Debug"] = 1] = "Debug"; + /** Log level for informational diagnostic messages. */ + LogLevel[LogLevel["Information"] = 2] = "Information"; + /** Log level for diagnostic messages that indicate a non-fatal problem. */ + LogLevel[LogLevel["Warning"] = 3] = "Warning"; + /** Log level for diagnostic messages that indicate a failure in the current operation. */ + LogLevel[LogLevel["Error"] = 4] = "Error"; + /** Log level for diagnostic messages that indicate a failure that will terminate the entire application. */ + LogLevel[LogLevel["Critical"] = 5] = "Critical"; + /** The highest possible log level. Used when configuring logging to indicate that no log messages should be emitted. */ + LogLevel[LogLevel["None"] = 6] = "None"; +})(LogLevel || (LogLevel = {})); + +;// CONCATENATED MODULE: ./src/Loggers.ts +// Licensed to the .NET Foundation under one or more agreements. +// The .NET Foundation licenses this file to you under the MIT license. +/** A logger that does nothing when log messages are sent to it. */ +class NullLogger { + constructor() { } + /** @inheritDoc */ + // eslint-disable-next-line + log(_logLevel, _message) { + } +} +/** The singleton instance of the {@link @microsoft/signalr.NullLogger}. */ +NullLogger.instance = new NullLogger(); + +;// CONCATENATED MODULE: ./src/Utils.ts +// Licensed to the .NET Foundation under one or more agreements. +// The .NET Foundation licenses this file to you under the MIT license. + + +// Version token that will be replaced by the prepack command +/** The version of the SignalR client. */ +const VERSION = "8.0.7"; +/** @private */ +class Arg { + static isRequired(val, name) { + if (val === null || val === undefined) { + throw new Error(`The '${name}' argument is required.`); + } + } + static isNotEmpty(val, name) { + if (!val || val.match(/^\s*$/)) { + throw new Error(`The '${name}' argument should not be empty.`); + } + } + static isIn(val, values, name) { + // TypeScript enums have keys for **both** the name and the value of each enum member on the type itself. + if (!(val in values)) { + throw new Error(`Unknown ${name} value: ${val}.`); + } + } +} +/** @private */ +class Platform { + // react-native has a window but no document so we should check both + static get isBrowser() { + return !Platform.isNode && typeof window === "object" && typeof window.document === "object"; + } + // WebWorkers don't have a window object so the isBrowser check would fail + static get isWebWorker() { + return !Platform.isNode && typeof self === "object" && "importScripts" in self; + } + // react-native has a window but no document + static get isReactNative() { + return !Platform.isNode && typeof window === "object" && typeof window.document === "undefined"; + } + // Node apps shouldn't have a window object, but WebWorkers don't either + // so we need to check for both WebWorker and window + static get isNode() { + return typeof process !== "undefined" && process.release && process.release.name === "node"; + } +} +/** @private */ +function getDataDetail(data, includeContent) { + let detail = ""; + if (isArrayBuffer(data)) { + detail = `Binary data of length ${data.byteLength}`; + if (includeContent) { + detail += `. Content: '${formatArrayBuffer(data)}'`; + } + } + else if (typeof data === "string") { + detail = `String data of length ${data.length}`; + if (includeContent) { + detail += `. Content: '${data}'`; + } + } + return detail; +} +/** @private */ +function formatArrayBuffer(data) { + const view = new Uint8Array(data); + // Uint8Array.map only supports returning another Uint8Array? + let str = ""; + view.forEach((num) => { + const pad = num < 16 ? "0" : ""; + str += `0x${pad}${num.toString(16)} `; + }); + // Trim of trailing space. + return str.substr(0, str.length - 1); +} +// Also in signalr-protocol-msgpack/Utils.ts +/** @private */ +function isArrayBuffer(val) { + return val && typeof ArrayBuffer !== "undefined" && + (val instanceof ArrayBuffer || + // Sometimes we get an ArrayBuffer that doesn't satisfy instanceof + (val.constructor && val.constructor.name === "ArrayBuffer")); +} +/** @private */ +async function sendMessage(logger, transportName, httpClient, url, content, options) { + const headers = {}; + const [name, value] = getUserAgentHeader(); + headers[name] = value; + logger.log(LogLevel.Trace, `(${transportName} transport) sending data. ${getDataDetail(content, options.logMessageContent)}.`); + const responseType = isArrayBuffer(content) ? "arraybuffer" : "text"; + const response = await httpClient.post(url, { + content, + headers: { ...headers, ...options.headers }, + responseType, + timeout: options.timeout, + withCredentials: options.withCredentials, + }); + logger.log(LogLevel.Trace, `(${transportName} transport) request complete. Response status: ${response.statusCode}.`); +} +/** @private */ +function createLogger(logger) { + if (logger === undefined) { + return new ConsoleLogger(LogLevel.Information); + } + if (logger === null) { + return NullLogger.instance; + } + if (logger.log !== undefined) { + return logger; + } + return new ConsoleLogger(logger); +} +/** @private */ +class SubjectSubscription { + constructor(subject, observer) { + this._subject = subject; + this._observer = observer; + } + dispose() { + const index = this._subject.observers.indexOf(this._observer); + if (index > -1) { + this._subject.observers.splice(index, 1); + } + if (this._subject.observers.length === 0 && this._subject.cancelCallback) { + this._subject.cancelCallback().catch((_) => { }); + } + } +} +/** @private */ +class ConsoleLogger { + constructor(minimumLogLevel) { + this._minLevel = minimumLogLevel; + this.out = console; + } + log(logLevel, message) { + if (logLevel >= this._minLevel) { + const msg = `[${new Date().toISOString()}] ${LogLevel[logLevel]}: ${message}`; + switch (logLevel) { + case LogLevel.Critical: + case LogLevel.Error: + this.out.error(msg); + break; + case LogLevel.Warning: + this.out.warn(msg); + break; + case LogLevel.Information: + this.out.info(msg); + break; + default: + // console.debug only goes to attached debuggers in Node, so we use console.log for Trace and Debug + this.out.log(msg); + break; + } + } + } +} +/** @private */ +function getUserAgentHeader() { + let userAgentHeaderName = "X-SignalR-User-Agent"; + if (Platform.isNode) { + userAgentHeaderName = "User-Agent"; + } + return [userAgentHeaderName, constructUserAgent(VERSION, getOsName(), getRuntime(), getRuntimeVersion())]; +} +/** @private */ +function constructUserAgent(version, os, runtime, runtimeVersion) { + // Microsoft SignalR/[Version] ([Detailed Version]; [Operating System]; [Runtime]; [Runtime Version]) + let userAgent = "Microsoft SignalR/"; + const majorAndMinor = version.split("."); + userAgent += `${majorAndMinor[0]}.${majorAndMinor[1]}`; + userAgent += ` (${version}; `; + if (os && os !== "") { + userAgent += `${os}; `; + } + else { + userAgent += "Unknown OS; "; + } + userAgent += `${runtime}`; + if (runtimeVersion) { + userAgent += `; ${runtimeVersion}`; + } + else { + userAgent += "; Unknown Runtime Version"; + } + userAgent += ")"; + return userAgent; +} +// eslint-disable-next-line spaced-comment +/*#__PURE__*/ function getOsName() { + if (Platform.isNode) { + switch (process.platform) { + case "win32": + return "Windows NT"; + case "darwin": + return "macOS"; + case "linux": + return "Linux"; + default: + return process.platform; + } + } + else { + return ""; + } +} +// eslint-disable-next-line spaced-comment +/*#__PURE__*/ function getRuntimeVersion() { + if (Platform.isNode) { + return process.versions.node; + } + return undefined; +} +function getRuntime() { + if (Platform.isNode) { + return "NodeJS"; + } + else { + return "Browser"; + } +} +/** @private */ +function getErrorString(e) { + if (e.stack) { + return e.stack; + } + else if (e.message) { + return e.message; + } + return `${e}`; +} +/** @private */ +function getGlobalThis() { + // globalThis is semi-new and not available in Node until v12 + if (typeof globalThis !== "undefined") { + return globalThis; + } + if (typeof self !== "undefined") { + return self; + } + if (typeof window !== "undefined") { + return window; + } + if (typeof __webpack_require__.g !== "undefined") { + return __webpack_require__.g; + } + throw new Error("could not find global"); +} + +;// CONCATENATED MODULE: ./src/FetchHttpClient.ts +// Licensed to the .NET Foundation under one or more agreements. +// The .NET Foundation licenses this file to you under the MIT license. + + + + +class FetchHttpClient extends HttpClient { + constructor(logger) { + super(); + this._logger = logger; + // Node added a fetch implementation to the global scope starting in v18. + // We need to add a cookie jar in node to be able to share cookies with WebSocket + if (typeof fetch === "undefined" || Platform.isNode) { + // 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 + const requireFunc = true ? require : 0; + // 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(); + if (typeof fetch === "undefined") { + this._fetchType = requireFunc("node-fetch"); + } + else { + // Use fetch from Node if available + this._fetchType = 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); + } + else { + this._fetchType = fetch.bind(getGlobalThis()); + } + if (typeof AbortController === "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 + const requireFunc = true ? require : 0; + // Node needs EventListener methods on AbortController which our custom polyfill doesn't provide + this._abortControllerType = requireFunc("abort-controller"); + } + else { + this._abortControllerType = AbortController; + } + } + /** @inheritDoc */ + async send(request) { + // Check that abort was not signaled before calling send + if (request.abortSignal && request.abortSignal.aborted) { + throw new AbortError(); + } + if (!request.method) { + throw new Error("No method defined."); + } + if (!request.url) { + throw new Error("No url defined."); + } + const abortController = new this._abortControllerType(); + let error; + // Hook our abortSignal into the abort controller + if (request.abortSignal) { + request.abortSignal.onabort = () => { + abortController.abort(); + error = new AbortError(); + }; + } + // If a timeout has been passed in, setup a timeout to call abort + // Type needs to be any to fit window.setTimeout and NodeJS.setTimeout + let timeoutId = null; + if (request.timeout) { + const msTimeout = request.timeout; + timeoutId = setTimeout(() => { + abortController.abort(); + this._logger.log(LogLevel.Warning, `Timeout from HTTP request.`); + error = new TimeoutError(); + }, msTimeout); + } + if (request.content === "") { + request.content = undefined; + } + if (request.content) { + // Explicitly setting the Content-Type header for React Native on Android platform. + request.headers = request.headers || {}; + if (isArrayBuffer(request.content)) { + request.headers["Content-Type"] = "application/octet-stream"; + } + else { + request.headers["Content-Type"] = "text/plain;charset=UTF-8"; + } + } + let response; + try { + response = await this._fetchType(request.url, { + body: request.content, + cache: "no-cache", + credentials: request.withCredentials === true ? "include" : "same-origin", + headers: { + "X-Requested-With": "XMLHttpRequest", + ...request.headers, + }, + method: request.method, + mode: "cors", + redirect: "follow", + signal: abortController.signal, + }); + } + catch (e) { + if (error) { + throw error; + } + this._logger.log(LogLevel.Warning, `Error from HTTP request. ${e}.`); + throw e; + } + finally { + if (timeoutId) { + clearTimeout(timeoutId); + } + if (request.abortSignal) { + request.abortSignal.onabort = null; + } + } + if (!response.ok) { + const errorMessage = await deserializeContent(response, "text"); + throw new HttpError(errorMessage || response.statusText, response.status); + } + const content = deserializeContent(response, request.responseType); + const payload = await content; + return new HttpResponse(response.status, response.statusText, payload); + } + getCookieString(url) { + let cookies = ""; + if (Platform.isNode && this._jar) { + // @ts-ignore: unused variable + this._jar.getCookies(url, (e, c) => cookies = c.join("; ")); + } + return cookies; + } +} +function deserializeContent(response, responseType) { + let content; + switch (responseType) { + case "arraybuffer": + content = response.arrayBuffer(); + break; + case "text": + content = response.text(); + break; + case "blob": + case "document": + case "json": + throw new Error(`${responseType} is not supported.`); + default: + content = response.text(); + break; + } + return content; +} + +;// CONCATENATED MODULE: ./src/XhrHttpClient.ts +// Licensed to the .NET Foundation under one or more agreements. +// The .NET Foundation licenses this file to you under the MIT license. + + + + +class XhrHttpClient extends HttpClient { + constructor(logger) { + super(); + this._logger = logger; + } + /** @inheritDoc */ + send(request) { + // Check that abort was not signaled before calling send + if (request.abortSignal && request.abortSignal.aborted) { + return Promise.reject(new AbortError()); + } + if (!request.method) { + return Promise.reject(new Error("No method defined.")); + } + if (!request.url) { + return Promise.reject(new Error("No url defined.")); + } + return new Promise((resolve, reject) => { + const xhr = new XMLHttpRequest(); + xhr.open(request.method, request.url, true); + xhr.withCredentials = request.withCredentials === undefined ? true : request.withCredentials; + xhr.setRequestHeader("X-Requested-With", "XMLHttpRequest"); + if (request.content === "") { + request.content = undefined; + } + if (request.content) { + // Explicitly setting the Content-Type header for React Native on Android platform. + if (isArrayBuffer(request.content)) { + xhr.setRequestHeader("Content-Type", "application/octet-stream"); + } + else { + xhr.setRequestHeader("Content-Type", "text/plain;charset=UTF-8"); + } + } + const headers = request.headers; + if (headers) { + Object.keys(headers) + .forEach((header) => { + xhr.setRequestHeader(header, headers[header]); + }); + } + if (request.responseType) { + xhr.responseType = request.responseType; + } + if (request.abortSignal) { + request.abortSignal.onabort = () => { + xhr.abort(); + reject(new AbortError()); + }; + } + if (request.timeout) { + xhr.timeout = request.timeout; + } + xhr.onload = () => { + if (request.abortSignal) { + request.abortSignal.onabort = null; + } + if (xhr.status >= 200 && xhr.status < 300) { + resolve(new HttpResponse(xhr.status, xhr.statusText, xhr.response || xhr.responseText)); + } + else { + reject(new HttpError(xhr.response || xhr.responseText || xhr.statusText, xhr.status)); + } + }; + xhr.onerror = () => { + this._logger.log(LogLevel.Warning, `Error from HTTP request. ${xhr.status}: ${xhr.statusText}.`); + reject(new HttpError(xhr.statusText, xhr.status)); + }; + xhr.ontimeout = () => { + this._logger.log(LogLevel.Warning, `Timeout from HTTP request.`); + reject(new TimeoutError()); + }; + xhr.send(request.content); + }); + } +} + +;// CONCATENATED MODULE: ./src/DefaultHttpClient.ts +// Licensed to the .NET Foundation under one or more agreements. +// The .NET Foundation licenses this file to you under the MIT license. + + + + + +/** Default implementation of {@link @microsoft/signalr.HttpClient}. */ +class DefaultHttpClient extends HttpClient { + /** Creates a new instance of the {@link @microsoft/signalr.DefaultHttpClient}, using the provided {@link @microsoft/signalr.ILogger} to log messages. */ + constructor(logger) { + super(); + if (typeof fetch !== "undefined" || Platform.isNode) { + this._httpClient = new FetchHttpClient(logger); + } + else if (typeof XMLHttpRequest !== "undefined") { + this._httpClient = new XhrHttpClient(logger); + } + else { + throw new Error("No usable HttpClient found."); + } + } + /** @inheritDoc */ + send(request) { + // Check that abort was not signaled before calling send + if (request.abortSignal && request.abortSignal.aborted) { + return Promise.reject(new AbortError()); + } + if (!request.method) { + return Promise.reject(new Error("No method defined.")); + } + if (!request.url) { + return Promise.reject(new Error("No url defined.")); + } + return this._httpClient.send(request); + } + getCookieString(url) { + return this._httpClient.getCookieString(url); + } +} + +;// CONCATENATED MODULE: ./src/TextMessageFormat.ts +// Licensed to the .NET Foundation under one or more agreements. +// The .NET Foundation licenses this file to you under the MIT license. +// Not exported from index +/** @private */ +class TextMessageFormat { + static write(output) { + return `${output}${TextMessageFormat.RecordSeparator}`; + } + static parse(input) { + if (input[input.length - 1] !== TextMessageFormat.RecordSeparator) { + throw new Error("Message is incomplete."); + } + const messages = input.split(TextMessageFormat.RecordSeparator); + messages.pop(); + return messages; + } +} +TextMessageFormat.RecordSeparatorCode = 0x1e; +TextMessageFormat.RecordSeparator = String.fromCharCode(TextMessageFormat.RecordSeparatorCode); + +;// CONCATENATED MODULE: ./src/HandshakeProtocol.ts +// Licensed to the .NET Foundation under one or more agreements. +// The .NET Foundation licenses this file to you under the MIT license. + + +/** @private */ +class HandshakeProtocol { + // Handshake request is always JSON + writeHandshakeRequest(handshakeRequest) { + return TextMessageFormat.write(JSON.stringify(handshakeRequest)); + } + parseHandshakeResponse(data) { + let messageData; + let remainingData; + if (isArrayBuffer(data)) { + // Format is binary but still need to read JSON text from handshake response + const binaryData = new Uint8Array(data); + const separatorIndex = binaryData.indexOf(TextMessageFormat.RecordSeparatorCode); + if (separatorIndex === -1) { + throw new Error("Message is incomplete."); + } + // content before separator is handshake response + // optional content after is additional messages + const responseLength = separatorIndex + 1; + messageData = String.fromCharCode.apply(null, Array.prototype.slice.call(binaryData.slice(0, responseLength))); + remainingData = (binaryData.byteLength > responseLength) ? binaryData.slice(responseLength).buffer : null; + } + else { + const textData = data; + const separatorIndex = textData.indexOf(TextMessageFormat.RecordSeparator); + if (separatorIndex === -1) { + throw new Error("Message is incomplete."); + } + // content before separator is handshake response + // optional content after is additional messages + const responseLength = separatorIndex + 1; + messageData = textData.substring(0, responseLength); + remainingData = (textData.length > responseLength) ? textData.substring(responseLength) : null; + } + // At this point we should have just the single handshake message + const messages = TextMessageFormat.parse(messageData); + const response = JSON.parse(messages[0]); + if (response.type) { + throw new Error("Expected a handshake response from the server."); + } + const responseMessage = response; + // multiple messages could have arrived with handshake + // return additional data to be parsed as usual, or null if all parsed + return [remainingData, responseMessage]; + } +} + +;// CONCATENATED MODULE: ./src/IHubProtocol.ts +// Licensed to the .NET Foundation under one or more agreements. +// The .NET Foundation licenses this file to you under the MIT license. +/** Defines the type of a Hub Message. */ +var MessageType; +(function (MessageType) { + /** Indicates the message is an Invocation message and implements the {@link @microsoft/signalr.InvocationMessage} interface. */ + MessageType[MessageType["Invocation"] = 1] = "Invocation"; + /** Indicates the message is a StreamItem message and implements the {@link @microsoft/signalr.StreamItemMessage} interface. */ + MessageType[MessageType["StreamItem"] = 2] = "StreamItem"; + /** Indicates the message is a Completion message and implements the {@link @microsoft/signalr.CompletionMessage} interface. */ + MessageType[MessageType["Completion"] = 3] = "Completion"; + /** Indicates the message is a Stream Invocation message and implements the {@link @microsoft/signalr.StreamInvocationMessage} interface. */ + MessageType[MessageType["StreamInvocation"] = 4] = "StreamInvocation"; + /** Indicates the message is a Cancel Invocation message and implements the {@link @microsoft/signalr.CancelInvocationMessage} interface. */ + MessageType[MessageType["CancelInvocation"] = 5] = "CancelInvocation"; + /** Indicates the message is a Ping message and implements the {@link @microsoft/signalr.PingMessage} interface. */ + MessageType[MessageType["Ping"] = 6] = "Ping"; + /** Indicates the message is a Close message and implements the {@link @microsoft/signalr.CloseMessage} interface. */ + MessageType[MessageType["Close"] = 7] = "Close"; + MessageType[MessageType["Ack"] = 8] = "Ack"; + MessageType[MessageType["Sequence"] = 9] = "Sequence"; +})(MessageType || (MessageType = {})); + +;// CONCATENATED MODULE: ./src/Subject.ts +// Licensed to the .NET Foundation under one or more agreements. +// The .NET Foundation licenses this file to you under the MIT license. + +/** Stream implementation to stream items to the server. */ +class Subject { + constructor() { + this.observers = []; + } + next(item) { + for (const observer of this.observers) { + observer.next(item); + } + } + error(err) { + for (const observer of this.observers) { + if (observer.error) { + observer.error(err); + } + } + } + complete() { + for (const observer of this.observers) { + if (observer.complete) { + observer.complete(); + } + } + } + subscribe(observer) { + this.observers.push(observer); + return new SubjectSubscription(this, observer); + } +} + +;// CONCATENATED MODULE: ./src/MessageBuffer.ts +// Licensed to the .NET Foundation under one or more agreements. +// The .NET Foundation licenses this file to you under the MIT license. + + +/** @private */ +class MessageBuffer { + constructor(protocol, connection, bufferSize) { + this._bufferSize = 100000; + this._messages = []; + this._totalMessageCount = 0; + this._waitForSequenceMessage = false; + // Message IDs start at 1 and always increment by 1 + this._nextReceivingSequenceId = 1; + this._latestReceivedSequenceId = 0; + this._bufferedByteCount = 0; + this._reconnectInProgress = false; + this._protocol = protocol; + this._connection = connection; + this._bufferSize = bufferSize; + } + async _send(message) { + const serializedMessage = this._protocol.writeMessage(message); + let backpressurePromise = Promise.resolve(); + // Only count invocation messages. Acks, pings, etc. don't need to be resent on reconnect + if (this._isInvocationMessage(message)) { + this._totalMessageCount++; + let backpressurePromiseResolver = () => { }; + let backpressurePromiseRejector = () => { }; + if (isArrayBuffer(serializedMessage)) { + this._bufferedByteCount += serializedMessage.byteLength; + } + else { + this._bufferedByteCount += serializedMessage.length; + } + if (this._bufferedByteCount >= this._bufferSize) { + backpressurePromise = new Promise((resolve, reject) => { + backpressurePromiseResolver = resolve; + backpressurePromiseRejector = reject; + }); + } + this._messages.push(new BufferedItem(serializedMessage, this._totalMessageCount, backpressurePromiseResolver, backpressurePromiseRejector)); + } + try { + // If this is set it means we are reconnecting or resending + // We don't want to send on a disconnected connection + // And we don't want to send if resend is running since that would mean sending + // this message twice + if (!this._reconnectInProgress) { + await this._connection.send(serializedMessage); + } + } + catch { + this._disconnected(); + } + await backpressurePromise; + } + _ack(ackMessage) { + let newestAckedMessage = -1; + // Find index of newest message being acked + for (let index = 0; index < this._messages.length; index++) { + const element = this._messages[index]; + if (element._id <= ackMessage.sequenceId) { + newestAckedMessage = index; + if (isArrayBuffer(element._message)) { + this._bufferedByteCount -= element._message.byteLength; + } + else { + this._bufferedByteCount -= element._message.length; + } + // resolve items that have already been sent and acked + element._resolver(); + } + else if (this._bufferedByteCount < this._bufferSize) { + // resolve items that now fall under the buffer limit but haven't been acked + element._resolver(); + } + else { + break; + } + } + if (newestAckedMessage !== -1) { + // We're removing everything including the message pointed to, so add 1 + this._messages = this._messages.slice(newestAckedMessage + 1); + } + } + _shouldProcessMessage(message) { + if (this._waitForSequenceMessage) { + if (message.type !== MessageType.Sequence) { + return false; + } + else { + this._waitForSequenceMessage = false; + return true; + } + } + // No special processing for acks, pings, etc. + if (!this._isInvocationMessage(message)) { + return true; + } + const currentId = this._nextReceivingSequenceId; + this._nextReceivingSequenceId++; + if (currentId <= this._latestReceivedSequenceId) { + if (currentId === this._latestReceivedSequenceId) { + // Should only hit this if we just reconnected and the server is sending + // Messages it has buffered, which would mean it hasn't seen an Ack for these messages + this._ackTimer(); + } + // Ignore, this is a duplicate message + return false; + } + this._latestReceivedSequenceId = currentId; + // Only start the timer for sending an Ack message when we have a message to ack. This also conveniently solves + // timer throttling by not having a recursive timer, and by starting the timer via a network call (recv) + this._ackTimer(); + return true; + } + _resetSequence(message) { + if (message.sequenceId > this._nextReceivingSequenceId) { + // eslint-disable-next-line @typescript-eslint/no-floating-promises + this._connection.stop(new Error("Sequence ID greater than amount of messages we've received.")); + return; + } + this._nextReceivingSequenceId = message.sequenceId; + } + _disconnected() { + this._reconnectInProgress = true; + this._waitForSequenceMessage = true; + } + async _resend() { + const sequenceId = this._messages.length !== 0 + ? this._messages[0]._id + : this._totalMessageCount + 1; + await this._connection.send(this._protocol.writeMessage({ type: MessageType.Sequence, sequenceId })); + // Get a local variable to the _messages, just in case messages are acked while resending + // Which would slice the _messages array (which creates a new copy) + const messages = this._messages; + for (const element of messages) { + await this._connection.send(element._message); + } + this._reconnectInProgress = false; + } + _dispose(error) { + error !== null && error !== void 0 ? error : (error = new Error("Unable to reconnect to server.")); + // Unblock backpressure if any + for (const element of this._messages) { + element._rejector(error); + } + } + _isInvocationMessage(message) { + // There is no way to check if something implements an interface. + // So we individually check the messages in a switch statement. + // To make sure we don't miss any message types we rely on the compiler + // seeing the function returns a value and it will do the + // exhaustive check for us on the switch statement, since we don't use 'case default' + switch (message.type) { + case MessageType.Invocation: + case MessageType.StreamItem: + case MessageType.Completion: + case MessageType.StreamInvocation: + case MessageType.CancelInvocation: + return true; + case MessageType.Close: + case MessageType.Sequence: + case MessageType.Ping: + case MessageType.Ack: + return false; + } + } + _ackTimer() { + if (this._ackTimerHandle === undefined) { + this._ackTimerHandle = setTimeout(async () => { + try { + if (!this._reconnectInProgress) { + await this._connection.send(this._protocol.writeMessage({ type: MessageType.Ack, sequenceId: this._latestReceivedSequenceId })); + } + // Ignore errors, that means the connection is closed and we don't care about the Ack message anymore. + } + catch { } + clearTimeout(this._ackTimerHandle); + this._ackTimerHandle = undefined; + // 1 second delay so we don't spam Ack messages if there are many messages being received at once. + }, 1000); + } + } +} +class BufferedItem { + constructor(message, id, resolver, rejector) { + this._message = message; + this._id = id; + this._resolver = resolver; + this._rejector = rejector; + } +} + +;// CONCATENATED MODULE: ./src/HubConnection.ts +// Licensed to the .NET Foundation under one or more agreements. +// The .NET Foundation licenses this file to you under the MIT license. + + + + + + + +const DEFAULT_TIMEOUT_IN_MS = 30 * 1000; +const DEFAULT_PING_INTERVAL_IN_MS = 15 * 1000; +const DEFAULT_STATEFUL_RECONNECT_BUFFER_SIZE = 100000; +/** Describes the current state of the {@link HubConnection} to the server. */ +var HubConnectionState; +(function (HubConnectionState) { + /** The hub connection is disconnected. */ + HubConnectionState["Disconnected"] = "Disconnected"; + /** The hub connection is connecting. */ + HubConnectionState["Connecting"] = "Connecting"; + /** The hub connection is connected. */ + HubConnectionState["Connected"] = "Connected"; + /** The hub connection is disconnecting. */ + HubConnectionState["Disconnecting"] = "Disconnecting"; + /** The hub connection is reconnecting. */ + HubConnectionState["Reconnecting"] = "Reconnecting"; +})(HubConnectionState || (HubConnectionState = {})); +/** Represents a connection to a SignalR Hub. */ +class HubConnection { + /** @internal */ + // Using a public static factory method means we can have a private constructor and an _internal_ + // create method that can be used by HubConnectionBuilder. An "internal" constructor would just + // be stripped away and the '.d.ts' file would have no constructor, which is interpreted as a + // public parameter-less constructor. + static create(connection, logger, protocol, reconnectPolicy, serverTimeoutInMilliseconds, keepAliveIntervalInMilliseconds, statefulReconnectBufferSize) { + return new HubConnection(connection, logger, protocol, reconnectPolicy, serverTimeoutInMilliseconds, keepAliveIntervalInMilliseconds, statefulReconnectBufferSize); + } + constructor(connection, logger, protocol, reconnectPolicy, serverTimeoutInMilliseconds, keepAliveIntervalInMilliseconds, statefulReconnectBufferSize) { + this._nextKeepAlive = 0; + this._freezeEventListener = () => { + this._logger.log(LogLevel.Warning, "The page is being frozen, this will likely lead to the connection being closed and messages being lost. For more information see the docs at https://learn.microsoft.com/aspnet/core/signalr/javascript-client#bsleep"); + }; + Arg.isRequired(connection, "connection"); + Arg.isRequired(logger, "logger"); + Arg.isRequired(protocol, "protocol"); + this.serverTimeoutInMilliseconds = serverTimeoutInMilliseconds !== null && serverTimeoutInMilliseconds !== void 0 ? serverTimeoutInMilliseconds : DEFAULT_TIMEOUT_IN_MS; + this.keepAliveIntervalInMilliseconds = keepAliveIntervalInMilliseconds !== null && keepAliveIntervalInMilliseconds !== void 0 ? keepAliveIntervalInMilliseconds : DEFAULT_PING_INTERVAL_IN_MS; + this._statefulReconnectBufferSize = statefulReconnectBufferSize !== null && statefulReconnectBufferSize !== void 0 ? statefulReconnectBufferSize : DEFAULT_STATEFUL_RECONNECT_BUFFER_SIZE; + this._logger = logger; + this._protocol = protocol; + this.connection = connection; + this._reconnectPolicy = reconnectPolicy; + this._handshakeProtocol = new HandshakeProtocol(); + this.connection.onreceive = (data) => this._processIncomingData(data); + this.connection.onclose = (error) => this._connectionClosed(error); + this._callbacks = {}; + this._methods = {}; + this._closedCallbacks = []; + this._reconnectingCallbacks = []; + this._reconnectedCallbacks = []; + this._invocationId = 0; + this._receivedHandshakeResponse = false; + this._connectionState = HubConnectionState.Disconnected; + this._connectionStarted = false; + this._cachedPingMessage = this._protocol.writeMessage({ type: MessageType.Ping }); + } + /** Indicates the state of the {@link HubConnection} to the server. */ + get state() { + return this._connectionState; + } + /** Represents the connection id of the {@link HubConnection} on the server. The connection id will be null when the connection is either + * in the disconnected state or if the negotiation step was skipped. + */ + get connectionId() { + return this.connection ? (this.connection.connectionId || null) : null; + } + /** Indicates the url of the {@link HubConnection} to the server. */ + get baseUrl() { + return this.connection.baseUrl || ""; + } + /** + * Sets a new url for the HubConnection. Note that the url can only be changed when the connection is in either the Disconnected or + * Reconnecting states. + * @param {string} url The url to connect to. + */ + set baseUrl(url) { + if (this._connectionState !== HubConnectionState.Disconnected && this._connectionState !== HubConnectionState.Reconnecting) { + throw new Error("The HubConnection must be in the Disconnected or Reconnecting state to change the url."); + } + if (!url) { + throw new Error("The HubConnection url must be a valid url."); + } + this.connection.baseUrl = url; + } + /** Starts the connection. + * + * @returns {Promise} A Promise that resolves when the connection has been successfully established, or rejects with an error. + */ + start() { + this._startPromise = this._startWithStateTransitions(); + return this._startPromise; + } + async _startWithStateTransitions() { + if (this._connectionState !== HubConnectionState.Disconnected) { + return Promise.reject(new Error("Cannot start a HubConnection that is not in the 'Disconnected' state.")); + } + this._connectionState = HubConnectionState.Connecting; + this._logger.log(LogLevel.Debug, "Starting HubConnection."); + try { + await this._startInternal(); + if (Platform.isBrowser) { + // Log when the browser freezes the tab so users know why their connection unexpectedly stopped working + window.document.addEventListener("freeze", this._freezeEventListener); + } + this._connectionState = HubConnectionState.Connected; + this._connectionStarted = true; + this._logger.log(LogLevel.Debug, "HubConnection connected successfully."); + } + catch (e) { + this._connectionState = HubConnectionState.Disconnected; + this._logger.log(LogLevel.Debug, `HubConnection failed to start successfully because of error '${e}'.`); + return Promise.reject(e); + } + } + async _startInternal() { + this._stopDuringStartError = undefined; + this._receivedHandshakeResponse = false; + // Set up the promise before any connection is (re)started otherwise it could race with received messages + const handshakePromise = new Promise((resolve, reject) => { + this._handshakeResolver = resolve; + this._handshakeRejecter = reject; + }); + await this.connection.start(this._protocol.transferFormat); + try { + let version = this._protocol.version; + if (!this.connection.features.reconnect) { + // Stateful Reconnect starts with HubProtocol version 2, newer clients connecting to older servers will fail to connect due to + // the handshake only supporting version 1, so we will try to send version 1 during the handshake to keep old servers working. + version = 1; + } + const handshakeRequest = { + protocol: this._protocol.name, + version, + }; + this._logger.log(LogLevel.Debug, "Sending handshake request."); + await this._sendMessage(this._handshakeProtocol.writeHandshakeRequest(handshakeRequest)); + this._logger.log(LogLevel.Information, `Using HubProtocol '${this._protocol.name}'.`); + // defensively cleanup timeout in case we receive a message from the server before we finish start + this._cleanupTimeout(); + this._resetTimeoutPeriod(); + this._resetKeepAliveInterval(); + await handshakePromise; + // It's important to check the stopDuringStartError instead of just relying on the handshakePromise + // being rejected on close, because this continuation can run after both the handshake completed successfully + // and the connection was closed. + if (this._stopDuringStartError) { + // It's important to throw instead of returning a rejected promise, because we don't want to allow any state + // transitions to occur between now and the calling code observing the exceptions. Returning a rejected promise + // will cause the calling continuation to get scheduled to run later. + // eslint-disable-next-line @typescript-eslint/no-throw-literal + throw this._stopDuringStartError; + } + const useStatefulReconnect = this.connection.features.reconnect || false; + if (useStatefulReconnect) { + this._messageBuffer = new MessageBuffer(this._protocol, this.connection, this._statefulReconnectBufferSize); + this.connection.features.disconnected = this._messageBuffer._disconnected.bind(this._messageBuffer); + this.connection.features.resend = () => { + if (this._messageBuffer) { + return this._messageBuffer._resend(); + } + }; + } + if (!this.connection.features.inherentKeepAlive) { + await this._sendMessage(this._cachedPingMessage); + } + } + catch (e) { + this._logger.log(LogLevel.Debug, `Hub handshake failed with error '${e}' during start(). Stopping HubConnection.`); + this._cleanupTimeout(); + this._cleanupPingTimer(); + // HttpConnection.stop() should not complete until after the onclose callback is invoked. + // This will transition the HubConnection to the disconnected state before HttpConnection.stop() completes. + await this.connection.stop(e); + throw e; + } + } + /** Stops the connection. + * + * @returns {Promise} A Promise that resolves when the connection has been successfully terminated, or rejects with an error. + */ + async stop() { + // Capture the start promise before the connection might be restarted in an onclose callback. + const startPromise = this._startPromise; + this.connection.features.reconnect = false; + this._stopPromise = this._stopInternal(); + await this._stopPromise; + try { + // Awaiting undefined continues immediately + await startPromise; + } + catch (e) { + // This exception is returned to the user as a rejected Promise from the start method. + } + } + _stopInternal(error) { + if (this._connectionState === HubConnectionState.Disconnected) { + this._logger.log(LogLevel.Debug, `Call to HubConnection.stop(${error}) ignored because it is already in the disconnected state.`); + return Promise.resolve(); + } + if (this._connectionState === HubConnectionState.Disconnecting) { + this._logger.log(LogLevel.Debug, `Call to HttpConnection.stop(${error}) ignored because the connection is already in the disconnecting state.`); + return this._stopPromise; + } + const state = this._connectionState; + this._connectionState = HubConnectionState.Disconnecting; + this._logger.log(LogLevel.Debug, "Stopping HubConnection."); + if (this._reconnectDelayHandle) { + // We're in a reconnect delay which means the underlying connection is currently already stopped. + // Just clear the handle to stop the reconnect loop (which no one is waiting on thankfully) and + // fire the onclose callbacks. + this._logger.log(LogLevel.Debug, "Connection stopped during reconnect delay. Done reconnecting."); + clearTimeout(this._reconnectDelayHandle); + this._reconnectDelayHandle = undefined; + this._completeClose(); + return Promise.resolve(); + } + if (state === HubConnectionState.Connected) { + // eslint-disable-next-line @typescript-eslint/no-floating-promises + this._sendCloseMessage(); + } + this._cleanupTimeout(); + this._cleanupPingTimer(); + this._stopDuringStartError = error || new AbortError("The connection was stopped before the hub handshake could complete."); + // HttpConnection.stop() should not complete until after either HttpConnection.start() fails + // or the onclose callback is invoked. The onclose callback will transition the HubConnection + // to the disconnected state if need be before HttpConnection.stop() completes. + return this.connection.stop(error); + } + async _sendCloseMessage() { + try { + await this._sendWithProtocol(this._createCloseMessage()); + } + catch { + // Ignore, this is a best effort attempt to let the server know the client closed gracefully. + } + } + /** Invokes a streaming hub method on the server using the specified name and arguments. + * + * @typeparam T The type of the items returned by the server. + * @param {string} methodName The name of the server method to invoke. + * @param {any[]} args The arguments used to invoke the server method. + * @returns {IStreamResult} An object that yields results from the server as they are received. + */ + stream(methodName, ...args) { + const [streams, streamIds] = this._replaceStreamingParams(args); + const invocationDescriptor = this._createStreamInvocation(methodName, args, streamIds); + // eslint-disable-next-line prefer-const + let promiseQueue; + const subject = new Subject(); + subject.cancelCallback = () => { + const cancelInvocation = this._createCancelInvocation(invocationDescriptor.invocationId); + delete this._callbacks[invocationDescriptor.invocationId]; + return promiseQueue.then(() => { + return this._sendWithProtocol(cancelInvocation); + }); + }; + this._callbacks[invocationDescriptor.invocationId] = (invocationEvent, error) => { + if (error) { + subject.error(error); + return; + } + else if (invocationEvent) { + // invocationEvent will not be null when an error is not passed to the callback + if (invocationEvent.type === MessageType.Completion) { + if (invocationEvent.error) { + subject.error(new Error(invocationEvent.error)); + } + else { + subject.complete(); + } + } + else { + subject.next((invocationEvent.item)); + } + } + }; + promiseQueue = this._sendWithProtocol(invocationDescriptor) + .catch((e) => { + subject.error(e); + delete this._callbacks[invocationDescriptor.invocationId]; + }); + this._launchStreams(streams, promiseQueue); + return subject; + } + _sendMessage(message) { + this._resetKeepAliveInterval(); + return this.connection.send(message); + } + /** + * Sends a js object to the server. + * @param message The js object to serialize and send. + */ + _sendWithProtocol(message) { + if (this._messageBuffer) { + return this._messageBuffer._send(message); + } + else { + return this._sendMessage(this._protocol.writeMessage(message)); + } + } + /** Invokes a hub method on the server using the specified name and arguments. Does not wait for a response from the receiver. + * + * The Promise returned by this method resolves when the client has sent the invocation to the server. The server may still + * be processing the invocation. + * + * @param {string} methodName The name of the server method to invoke. + * @param {any[]} args The arguments used to invoke the server method. + * @returns {Promise} A Promise that resolves when the invocation has been successfully sent, or rejects with an error. + */ + send(methodName, ...args) { + const [streams, streamIds] = this._replaceStreamingParams(args); + const sendPromise = this._sendWithProtocol(this._createInvocation(methodName, args, true, streamIds)); + this._launchStreams(streams, sendPromise); + return sendPromise; + } + /** Invokes a hub method on the server using the specified name and arguments. + * + * The Promise returned by this method resolves when the server indicates it has finished invoking the method. When the promise + * resolves, the server has finished invoking the method. If the server method returns a result, it is produced as the result of + * resolving the Promise. + * + * @typeparam T The expected return type. + * @param {string} methodName The name of the server method to invoke. + * @param {any[]} args The arguments used to invoke the server method. + * @returns {Promise} A Promise that resolves with the result of the server method (if any), or rejects with an error. + */ + invoke(methodName, ...args) { + const [streams, streamIds] = this._replaceStreamingParams(args); + const invocationDescriptor = this._createInvocation(methodName, args, false, streamIds); + const p = new Promise((resolve, reject) => { + // invocationId will always have a value for a non-blocking invocation + this._callbacks[invocationDescriptor.invocationId] = (invocationEvent, error) => { + if (error) { + reject(error); + return; + } + else if (invocationEvent) { + // invocationEvent will not be null when an error is not passed to the callback + if (invocationEvent.type === MessageType.Completion) { + if (invocationEvent.error) { + reject(new Error(invocationEvent.error)); + } + else { + resolve(invocationEvent.result); + } + } + else { + reject(new Error(`Unexpected message type: ${invocationEvent.type}`)); + } + } + }; + const promiseQueue = this._sendWithProtocol(invocationDescriptor) + .catch((e) => { + reject(e); + // invocationId will always have a value for a non-blocking invocation + delete this._callbacks[invocationDescriptor.invocationId]; + }); + this._launchStreams(streams, promiseQueue); + }); + return p; + } + on(methodName, newMethod) { + if (!methodName || !newMethod) { + return; + } + methodName = methodName.toLowerCase(); + if (!this._methods[methodName]) { + this._methods[methodName] = []; + } + // Preventing adding the same handler multiple times. + if (this._methods[methodName].indexOf(newMethod) !== -1) { + return; + } + this._methods[methodName].push(newMethod); + } + off(methodName, method) { + if (!methodName) { + return; + } + methodName = methodName.toLowerCase(); + const handlers = this._methods[methodName]; + if (!handlers) { + return; + } + if (method) { + const removeIdx = handlers.indexOf(method); + if (removeIdx !== -1) { + handlers.splice(removeIdx, 1); + if (handlers.length === 0) { + delete this._methods[methodName]; + } + } + } + else { + delete this._methods[methodName]; + } + } + /** Registers a handler that will be invoked when the connection is closed. + * + * @param {Function} callback The handler that will be invoked when the connection is closed. Optionally receives a single argument containing the error that caused the connection to close (if any). + */ + onclose(callback) { + if (callback) { + this._closedCallbacks.push(callback); + } + } + /** Registers a handler that will be invoked when the connection starts reconnecting. + * + * @param {Function} callback The handler that will be invoked when the connection starts reconnecting. Optionally receives a single argument containing the error that caused the connection to start reconnecting (if any). + */ + onreconnecting(callback) { + if (callback) { + this._reconnectingCallbacks.push(callback); + } + } + /** Registers a handler that will be invoked when the connection successfully reconnects. + * + * @param {Function} callback The handler that will be invoked when the connection successfully reconnects. + */ + onreconnected(callback) { + if (callback) { + this._reconnectedCallbacks.push(callback); + } + } + _processIncomingData(data) { + this._cleanupTimeout(); + if (!this._receivedHandshakeResponse) { + data = this._processHandshakeResponse(data); + this._receivedHandshakeResponse = true; + } + // Data may have all been read when processing handshake response + if (data) { + // Parse the messages + const messages = this._protocol.parseMessages(data, this._logger); + for (const message of messages) { + if (this._messageBuffer && !this._messageBuffer._shouldProcessMessage(message)) { + // Don't process the message, we are either waiting for a SequenceMessage or received a duplicate message + continue; + } + switch (message.type) { + case MessageType.Invocation: + this._invokeClientMethod(message) + .catch((e) => { + this._logger.log(LogLevel.Error, `Invoke client method threw error: ${getErrorString(e)}`); + }); + break; + case MessageType.StreamItem: + case MessageType.Completion: { + const callback = this._callbacks[message.invocationId]; + if (callback) { + if (message.type === MessageType.Completion) { + delete this._callbacks[message.invocationId]; + } + try { + callback(message); + } + catch (e) { + this._logger.log(LogLevel.Error, `Stream callback threw error: ${getErrorString(e)}`); + } + } + break; + } + case MessageType.Ping: + // Don't care about pings + break; + case MessageType.Close: { + this._logger.log(LogLevel.Information, "Close message received from server."); + const error = message.error ? new Error("Server returned an error on close: " + message.error) : undefined; + if (message.allowReconnect === true) { + // It feels wrong not to await connection.stop() here, but processIncomingData is called as part of an onreceive callback which is not async, + // this is already the behavior for serverTimeout(), and HttpConnection.Stop() should catch and log all possible exceptions. + // eslint-disable-next-line @typescript-eslint/no-floating-promises + this.connection.stop(error); + } + else { + // We cannot await stopInternal() here, but subsequent calls to stop() will await this if stopInternal() is still ongoing. + this._stopPromise = this._stopInternal(error); + } + break; + } + case MessageType.Ack: + if (this._messageBuffer) { + this._messageBuffer._ack(message); + } + break; + case MessageType.Sequence: + if (this._messageBuffer) { + this._messageBuffer._resetSequence(message); + } + break; + default: + this._logger.log(LogLevel.Warning, `Invalid message type: ${message.type}.`); + break; + } + } + } + this._resetTimeoutPeriod(); + } + _processHandshakeResponse(data) { + let responseMessage; + let remainingData; + try { + [remainingData, responseMessage] = this._handshakeProtocol.parseHandshakeResponse(data); + } + catch (e) { + const message = "Error parsing handshake response: " + e; + this._logger.log(LogLevel.Error, message); + const error = new Error(message); + this._handshakeRejecter(error); + throw error; + } + if (responseMessage.error) { + const message = "Server returned handshake error: " + responseMessage.error; + this._logger.log(LogLevel.Error, message); + const error = new Error(message); + this._handshakeRejecter(error); + throw error; + } + else { + this._logger.log(LogLevel.Debug, "Server handshake complete."); + } + this._handshakeResolver(); + return remainingData; + } + _resetKeepAliveInterval() { + if (this.connection.features.inherentKeepAlive) { + return; + } + // Set the time we want the next keep alive to be sent + // Timer will be setup on next message receive + this._nextKeepAlive = new Date().getTime() + this.keepAliveIntervalInMilliseconds; + this._cleanupPingTimer(); + } + _resetTimeoutPeriod() { + if (!this.connection.features || !this.connection.features.inherentKeepAlive) { + // Set the timeout timer + this._timeoutHandle = setTimeout(() => this.serverTimeout(), this.serverTimeoutInMilliseconds); + // Set keepAlive timer if there isn't one + if (this._pingServerHandle === undefined) { + let nextPing = this._nextKeepAlive - new Date().getTime(); + if (nextPing < 0) { + nextPing = 0; + } + // The timer needs to be set from a networking callback to avoid Chrome timer throttling from causing timers to run once a minute + this._pingServerHandle = setTimeout(async () => { + if (this._connectionState === HubConnectionState.Connected) { + try { + await this._sendMessage(this._cachedPingMessage); + } + catch { + // We don't care about the error. It should be seen elsewhere in the client. + // The connection is probably in a bad or closed state now, cleanup the timer so it stops triggering + this._cleanupPingTimer(); + } + } + }, nextPing); + } + } + } + // eslint-disable-next-line @typescript-eslint/naming-convention + serverTimeout() { + // The server hasn't talked to us in a while. It doesn't like us anymore ... :( + // Terminate the connection, but we don't need to wait on the promise. This could trigger reconnecting. + // eslint-disable-next-line @typescript-eslint/no-floating-promises + this.connection.stop(new Error("Server timeout elapsed without receiving a message from the server.")); + } + async _invokeClientMethod(invocationMessage) { + const methodName = invocationMessage.target.toLowerCase(); + const methods = this._methods[methodName]; + if (!methods) { + this._logger.log(LogLevel.Warning, `No client method with the name '${methodName}' found.`); + // No handlers provided by client but the server is expecting a response still, so we send an error + if (invocationMessage.invocationId) { + this._logger.log(LogLevel.Warning, `No result given for '${methodName}' method and invocation ID '${invocationMessage.invocationId}'.`); + await this._sendWithProtocol(this._createCompletionMessage(invocationMessage.invocationId, "Client didn't provide a result.", null)); + } + return; + } + // Avoid issues with handlers removing themselves thus modifying the list while iterating through it + const methodsCopy = methods.slice(); + // Server expects a response + const expectsResponse = invocationMessage.invocationId ? true : false; + // We preserve the last result or exception but still call all handlers + let res; + let exception; + let completionMessage; + for (const m of methodsCopy) { + try { + const prevRes = res; + res = await m.apply(this, invocationMessage.arguments); + if (expectsResponse && res && prevRes) { + this._logger.log(LogLevel.Error, `Multiple results provided for '${methodName}'. Sending error to server.`); + completionMessage = this._createCompletionMessage(invocationMessage.invocationId, `Client provided multiple results.`, null); + } + // Ignore exception if we got a result after, the exception will be logged + exception = undefined; + } + catch (e) { + exception = e; + this._logger.log(LogLevel.Error, `A callback for the method '${methodName}' threw error '${e}'.`); + } + } + if (completionMessage) { + await this._sendWithProtocol(completionMessage); + } + else if (expectsResponse) { + // If there is an exception that means either no result was given or a handler after a result threw + if (exception) { + completionMessage = this._createCompletionMessage(invocationMessage.invocationId, `${exception}`, null); + } + else if (res !== undefined) { + completionMessage = this._createCompletionMessage(invocationMessage.invocationId, null, res); + } + else { + this._logger.log(LogLevel.Warning, `No result given for '${methodName}' method and invocation ID '${invocationMessage.invocationId}'.`); + // Client didn't provide a result or throw from a handler, server expects a response so we send an error + completionMessage = this._createCompletionMessage(invocationMessage.invocationId, "Client didn't provide a result.", null); + } + await this._sendWithProtocol(completionMessage); + } + else { + if (res) { + this._logger.log(LogLevel.Error, `Result given for '${methodName}' method but server is not expecting a result.`); + } + } + } + _connectionClosed(error) { + this._logger.log(LogLevel.Debug, `HubConnection.connectionClosed(${error}) called while in state ${this._connectionState}.`); + // Triggering this.handshakeRejecter is insufficient because it could already be resolved without the continuation having run yet. + this._stopDuringStartError = this._stopDuringStartError || error || new AbortError("The underlying connection was closed before the hub handshake could complete."); + // If the handshake is in progress, start will be waiting for the handshake promise, so we complete it. + // If it has already completed, this should just noop. + if (this._handshakeResolver) { + this._handshakeResolver(); + } + this._cancelCallbacksWithError(error || new Error("Invocation canceled due to the underlying connection being closed.")); + this._cleanupTimeout(); + this._cleanupPingTimer(); + if (this._connectionState === HubConnectionState.Disconnecting) { + this._completeClose(error); + } + else if (this._connectionState === HubConnectionState.Connected && this._reconnectPolicy) { + // eslint-disable-next-line @typescript-eslint/no-floating-promises + this._reconnect(error); + } + else if (this._connectionState === HubConnectionState.Connected) { + this._completeClose(error); + } + // If none of the above if conditions were true were called the HubConnection must be in either: + // 1. The Connecting state in which case the handshakeResolver will complete it and stopDuringStartError will fail it. + // 2. The Reconnecting state in which case the handshakeResolver will complete it and stopDuringStartError will fail the current reconnect attempt + // and potentially continue the reconnect() loop. + // 3. The Disconnected state in which case we're already done. + } + _completeClose(error) { + if (this._connectionStarted) { + this._connectionState = HubConnectionState.Disconnected; + this._connectionStarted = false; + if (this._messageBuffer) { + this._messageBuffer._dispose(error !== null && error !== void 0 ? error : new Error("Connection closed.")); + this._messageBuffer = undefined; + } + if (Platform.isBrowser) { + window.document.removeEventListener("freeze", this._freezeEventListener); + } + try { + this._closedCallbacks.forEach((c) => c.apply(this, [error])); + } + catch (e) { + this._logger.log(LogLevel.Error, `An onclose callback called with error '${error}' threw error '${e}'.`); + } + } + } + async _reconnect(error) { + const reconnectStartTime = Date.now(); + let previousReconnectAttempts = 0; + let retryError = error !== undefined ? error : new Error("Attempting to reconnect due to a unknown error."); + let nextRetryDelay = this._getNextRetryDelay(previousReconnectAttempts++, 0, retryError); + if (nextRetryDelay === null) { + this._logger.log(LogLevel.Debug, "Connection not reconnecting because the IRetryPolicy returned null on the first reconnect attempt."); + this._completeClose(error); + return; + } + this._connectionState = HubConnectionState.Reconnecting; + if (error) { + this._logger.log(LogLevel.Information, `Connection reconnecting because of error '${error}'.`); + } + else { + this._logger.log(LogLevel.Information, "Connection reconnecting."); + } + if (this._reconnectingCallbacks.length !== 0) { + try { + this._reconnectingCallbacks.forEach((c) => c.apply(this, [error])); + } + catch (e) { + this._logger.log(LogLevel.Error, `An onreconnecting callback called with error '${error}' threw error '${e}'.`); + } + // Exit early if an onreconnecting callback called connection.stop(). + if (this._connectionState !== HubConnectionState.Reconnecting) { + this._logger.log(LogLevel.Debug, "Connection left the reconnecting state in onreconnecting callback. Done reconnecting."); + return; + } + } + while (nextRetryDelay !== null) { + this._logger.log(LogLevel.Information, `Reconnect attempt number ${previousReconnectAttempts} will start in ${nextRetryDelay} ms.`); + await new Promise((resolve) => { + this._reconnectDelayHandle = setTimeout(resolve, nextRetryDelay); + }); + this._reconnectDelayHandle = undefined; + if (this._connectionState !== HubConnectionState.Reconnecting) { + this._logger.log(LogLevel.Debug, "Connection left the reconnecting state during reconnect delay. Done reconnecting."); + return; + } + try { + await this._startInternal(); + this._connectionState = HubConnectionState.Connected; + this._logger.log(LogLevel.Information, "HubConnection reconnected successfully."); + if (this._reconnectedCallbacks.length !== 0) { + try { + this._reconnectedCallbacks.forEach((c) => c.apply(this, [this.connection.connectionId])); + } + catch (e) { + this._logger.log(LogLevel.Error, `An onreconnected callback called with connectionId '${this.connection.connectionId}; threw error '${e}'.`); + } + } + return; + } + catch (e) { + this._logger.log(LogLevel.Information, `Reconnect attempt failed because of error '${e}'.`); + if (this._connectionState !== HubConnectionState.Reconnecting) { + this._logger.log(LogLevel.Debug, `Connection moved to the '${this._connectionState}' from the reconnecting state during reconnect attempt. Done reconnecting.`); + // The TypeScript compiler thinks that connectionState must be Connected here. The TypeScript compiler is wrong. + if (this._connectionState === HubConnectionState.Disconnecting) { + this._completeClose(); + } + return; + } + retryError = e instanceof Error ? e : new Error(e.toString()); + nextRetryDelay = this._getNextRetryDelay(previousReconnectAttempts++, Date.now() - reconnectStartTime, retryError); + } + } + this._logger.log(LogLevel.Information, `Reconnect retries have been exhausted after ${Date.now() - reconnectStartTime} ms and ${previousReconnectAttempts} failed attempts. Connection disconnecting.`); + this._completeClose(); + } + _getNextRetryDelay(previousRetryCount, elapsedMilliseconds, retryReason) { + try { + return this._reconnectPolicy.nextRetryDelayInMilliseconds({ + elapsedMilliseconds, + previousRetryCount, + retryReason, + }); + } + catch (e) { + this._logger.log(LogLevel.Error, `IRetryPolicy.nextRetryDelayInMilliseconds(${previousRetryCount}, ${elapsedMilliseconds}) threw error '${e}'.`); + return null; + } + } + _cancelCallbacksWithError(error) { + const callbacks = this._callbacks; + this._callbacks = {}; + Object.keys(callbacks) + .forEach((key) => { + const callback = callbacks[key]; + try { + callback(null, error); + } + catch (e) { + this._logger.log(LogLevel.Error, `Stream 'error' callback called with '${error}' threw error: ${getErrorString(e)}`); + } + }); + } + _cleanupPingTimer() { + if (this._pingServerHandle) { + clearTimeout(this._pingServerHandle); + this._pingServerHandle = undefined; + } + } + _cleanupTimeout() { + if (this._timeoutHandle) { + clearTimeout(this._timeoutHandle); + } + } + _createInvocation(methodName, args, nonblocking, streamIds) { + if (nonblocking) { + if (streamIds.length !== 0) { + return { + arguments: args, + streamIds, + target: methodName, + type: MessageType.Invocation, + }; + } + else { + return { + arguments: args, + target: methodName, + type: MessageType.Invocation, + }; + } + } + else { + const invocationId = this._invocationId; + this._invocationId++; + if (streamIds.length !== 0) { + return { + arguments: args, + invocationId: invocationId.toString(), + streamIds, + target: methodName, + type: MessageType.Invocation, + }; + } + else { + return { + arguments: args, + invocationId: invocationId.toString(), + target: methodName, + type: MessageType.Invocation, + }; + } + } + } + _launchStreams(streams, promiseQueue) { + if (streams.length === 0) { + return; + } + // Synchronize stream data so they arrive in-order on the server + if (!promiseQueue) { + promiseQueue = Promise.resolve(); + } + // We want to iterate over the keys, since the keys are the stream ids + // eslint-disable-next-line guard-for-in + for (const streamId in streams) { + streams[streamId].subscribe({ + complete: () => { + promiseQueue = promiseQueue.then(() => this._sendWithProtocol(this._createCompletionMessage(streamId))); + }, + error: (err) => { + let message; + if (err instanceof Error) { + message = err.message; + } + else if (err && err.toString) { + message = err.toString(); + } + else { + message = "Unknown error"; + } + promiseQueue = promiseQueue.then(() => this._sendWithProtocol(this._createCompletionMessage(streamId, message))); + }, + next: (item) => { + promiseQueue = promiseQueue.then(() => this._sendWithProtocol(this._createStreamItemMessage(streamId, item))); + }, + }); + } + } + _replaceStreamingParams(args) { + const streams = []; + const streamIds = []; + for (let i = 0; i < args.length; i++) { + const argument = args[i]; + if (this._isObservable(argument)) { + const streamId = this._invocationId; + this._invocationId++; + // Store the stream for later use + streams[streamId] = argument; + streamIds.push(streamId.toString()); + // remove stream from args + args.splice(i, 1); + } + } + return [streams, streamIds]; + } + _isObservable(arg) { + // This allows other stream implementations to just work (like rxjs) + return arg && arg.subscribe && typeof arg.subscribe === "function"; + } + _createStreamInvocation(methodName, args, streamIds) { + const invocationId = this._invocationId; + this._invocationId++; + if (streamIds.length !== 0) { + return { + arguments: args, + invocationId: invocationId.toString(), + streamIds, + target: methodName, + type: MessageType.StreamInvocation, + }; + } + else { + return { + arguments: args, + invocationId: invocationId.toString(), + target: methodName, + type: MessageType.StreamInvocation, + }; + } + } + _createCancelInvocation(id) { + return { + invocationId: id, + type: MessageType.CancelInvocation, + }; + } + _createStreamItemMessage(id, item) { + return { + invocationId: id, + item, + type: MessageType.StreamItem, + }; + } + _createCompletionMessage(id, error, result) { + if (error) { + return { + error, + invocationId: id, + type: MessageType.Completion, + }; + } + return { + invocationId: id, + result, + type: MessageType.Completion, + }; + } + _createCloseMessage() { + return { type: MessageType.Close }; + } +} + +;// CONCATENATED MODULE: ./src/DefaultReconnectPolicy.ts +// Licensed to the .NET Foundation under one or more agreements. +// The .NET Foundation licenses this file to you under the MIT license. +// 0, 2, 10, 30 second delays before reconnect attempts. +const DEFAULT_RETRY_DELAYS_IN_MILLISECONDS = [0, 2000, 10000, 30000, null]; +/** @private */ +class DefaultReconnectPolicy { + constructor(retryDelays) { + this._retryDelays = retryDelays !== undefined ? [...retryDelays, null] : DEFAULT_RETRY_DELAYS_IN_MILLISECONDS; + } + nextRetryDelayInMilliseconds(retryContext) { + return this._retryDelays[retryContext.previousRetryCount]; + } +} + +;// CONCATENATED MODULE: ./src/HeaderNames.ts +// Licensed to the .NET Foundation under one or more agreements. +// The .NET Foundation licenses this file to you under the MIT license. +class HeaderNames { +} +HeaderNames.Authorization = "Authorization"; +HeaderNames.Cookie = "Cookie"; + +;// CONCATENATED MODULE: ./src/AccessTokenHttpClient.ts +// Licensed to the .NET Foundation under one or more agreements. +// The .NET Foundation licenses this file to you under the MIT license. + + +/** @private */ +class AccessTokenHttpClient extends HttpClient { + constructor(innerClient, accessTokenFactory) { + super(); + this._innerClient = innerClient; + this._accessTokenFactory = accessTokenFactory; + } + async send(request) { + let allowRetry = true; + if (this._accessTokenFactory && (!this._accessToken || (request.url && request.url.indexOf("/negotiate?") > 0))) { + // don't retry if the request is a negotiate or if we just got a potentially new token from the access token factory + allowRetry = false; + this._accessToken = await this._accessTokenFactory(); + } + this._setAuthorizationHeader(request); + const response = await this._innerClient.send(request); + if (allowRetry && response.statusCode === 401 && this._accessTokenFactory) { + this._accessToken = await this._accessTokenFactory(); + this._setAuthorizationHeader(request); + return await this._innerClient.send(request); + } + return response; + } + _setAuthorizationHeader(request) { + if (!request.headers) { + request.headers = {}; + } + if (this._accessToken) { + request.headers[HeaderNames.Authorization] = `Bearer ${this._accessToken}`; + } + // don't remove the header if there isn't an access token factory, the user manually added the header in this case + else if (this._accessTokenFactory) { + if (request.headers[HeaderNames.Authorization]) { + delete request.headers[HeaderNames.Authorization]; + } + } + } + getCookieString(url) { + return this._innerClient.getCookieString(url); + } +} + +;// CONCATENATED MODULE: ./src/ITransport.ts +// Licensed to the .NET Foundation under one or more agreements. +// The .NET Foundation licenses this file to you under the MIT license. +// This will be treated as a bit flag in the future, so we keep it using power-of-two values. +/** Specifies a specific HTTP transport type. */ +var HttpTransportType; +(function (HttpTransportType) { + /** Specifies no transport preference. */ + HttpTransportType[HttpTransportType["None"] = 0] = "None"; + /** Specifies the WebSockets transport. */ + HttpTransportType[HttpTransportType["WebSockets"] = 1] = "WebSockets"; + /** Specifies the Server-Sent Events transport. */ + HttpTransportType[HttpTransportType["ServerSentEvents"] = 2] = "ServerSentEvents"; + /** Specifies the Long Polling transport. */ + HttpTransportType[HttpTransportType["LongPolling"] = 4] = "LongPolling"; +})(HttpTransportType || (HttpTransportType = {})); +/** Specifies the transfer format for a connection. */ +var TransferFormat; +(function (TransferFormat) { + /** Specifies that only text data will be transmitted over the connection. */ + TransferFormat[TransferFormat["Text"] = 1] = "Text"; + /** Specifies that binary data will be transmitted over the connection. */ + TransferFormat[TransferFormat["Binary"] = 2] = "Binary"; +})(TransferFormat || (TransferFormat = {})); + +;// CONCATENATED MODULE: ./src/AbortController.ts +// Licensed to the .NET Foundation under one or more agreements. +// The .NET Foundation licenses this file to you under the MIT license. +// Rough polyfill of https://developer.mozilla.org/en-US/docs/Web/API/AbortController +// We don't actually ever use the API being polyfilled, we always use the polyfill because +// it's a very new API right now. +// Not exported from index. +/** @private */ +class AbortController_AbortController { + constructor() { + this._isAborted = false; + this.onabort = null; + } + abort() { + if (!this._isAborted) { + this._isAborted = true; + if (this.onabort) { + this.onabort(); + } + } + } + get signal() { + return this; + } + get aborted() { + return this._isAborted; + } +} + +;// CONCATENATED MODULE: ./src/LongPollingTransport.ts +// Licensed to the .NET Foundation under one or more agreements. +// The .NET Foundation licenses this file to you under the MIT license. + + + + + +// Not exported from 'index', this type is internal. +/** @private */ +class LongPollingTransport { + // This is an internal type, not exported from 'index' so this is really just internal. + get pollAborted() { + return this._pollAbort.aborted; + } + constructor(httpClient, logger, options) { + this._httpClient = httpClient; + this._logger = logger; + this._pollAbort = new AbortController_AbortController(); + this._options = options; + this._running = false; + this.onreceive = null; + this.onclose = null; + } + async connect(url, transferFormat) { + Arg.isRequired(url, "url"); + Arg.isRequired(transferFormat, "transferFormat"); + Arg.isIn(transferFormat, TransferFormat, "transferFormat"); + this._url = url; + this._logger.log(LogLevel.Trace, "(LongPolling transport) Connecting."); + // Allow binary format on Node and Browsers that support binary content (indicated by the presence of responseType property) + if (transferFormat === TransferFormat.Binary && + (typeof XMLHttpRequest !== "undefined" && typeof new XMLHttpRequest().responseType !== "string")) { + throw new Error("Binary protocols over XmlHttpRequest not implementing advanced features are not supported."); + } + const [name, value] = getUserAgentHeader(); + const headers = { [name]: value, ...this._options.headers }; + const pollOptions = { + abortSignal: this._pollAbort.signal, + headers, + timeout: 100000, + withCredentials: this._options.withCredentials, + }; + if (transferFormat === TransferFormat.Binary) { + pollOptions.responseType = "arraybuffer"; + } + // Make initial long polling request + // Server uses first long polling request to finish initializing connection and it returns without data + const pollUrl = `${url}&_=${Date.now()}`; + this._logger.log(LogLevel.Trace, `(LongPolling transport) polling: ${pollUrl}.`); + const response = await this._httpClient.get(pollUrl, pollOptions); + if (response.statusCode !== 200) { + this._logger.log(LogLevel.Error, `(LongPolling transport) Unexpected response code: ${response.statusCode}.`); + // Mark running as false so that the poll immediately ends and runs the close logic + this._closeError = new HttpError(response.statusText || "", response.statusCode); + this._running = false; + } + else { + this._running = true; + } + this._receiving = this._poll(this._url, pollOptions); + } + async _poll(url, pollOptions) { + try { + while (this._running) { + try { + const pollUrl = `${url}&_=${Date.now()}`; + this._logger.log(LogLevel.Trace, `(LongPolling transport) polling: ${pollUrl}.`); + const response = await this._httpClient.get(pollUrl, pollOptions); + if (response.statusCode === 204) { + this._logger.log(LogLevel.Information, "(LongPolling transport) Poll terminated by server."); + this._running = false; + } + else if (response.statusCode !== 200) { + this._logger.log(LogLevel.Error, `(LongPolling transport) Unexpected response code: ${response.statusCode}.`); + // Unexpected status code + this._closeError = new HttpError(response.statusText || "", response.statusCode); + this._running = false; + } + else { + // Process the response + if (response.content) { + this._logger.log(LogLevel.Trace, `(LongPolling transport) data received. ${getDataDetail(response.content, this._options.logMessageContent)}.`); + if (this.onreceive) { + this.onreceive(response.content); + } + } + else { + // This is another way timeout manifest. + this._logger.log(LogLevel.Trace, "(LongPolling transport) Poll timed out, reissuing."); + } + } + } + catch (e) { + if (!this._running) { + // Log but disregard errors that occur after stopping + this._logger.log(LogLevel.Trace, `(LongPolling transport) Poll errored after shutdown: ${e.message}`); + } + else { + if (e instanceof TimeoutError) { + // Ignore timeouts and reissue the poll. + this._logger.log(LogLevel.Trace, "(LongPolling transport) Poll timed out, reissuing."); + } + else { + // Close the connection with the error as the result. + this._closeError = e; + this._running = false; + } + } + } + } + } + finally { + this._logger.log(LogLevel.Trace, "(LongPolling transport) Polling complete."); + // We will reach here with pollAborted==false when the server returned a response causing the transport to stop. + // If pollAborted==true then client initiated the stop and the stop method will raise the close event after DELETE is sent. + if (!this.pollAborted) { + this._raiseOnClose(); + } + } + } + async send(data) { + if (!this._running) { + return Promise.reject(new Error("Cannot send until the transport is connected")); + } + return sendMessage(this._logger, "LongPolling", this._httpClient, this._url, data, this._options); + } + async stop() { + this._logger.log(LogLevel.Trace, "(LongPolling transport) Stopping polling."); + // Tell receiving loop to stop, abort any current request, and then wait for it to finish + this._running = false; + this._pollAbort.abort(); + try { + await this._receiving; + // Send DELETE to clean up long polling on the server + this._logger.log(LogLevel.Trace, `(LongPolling transport) sending DELETE request to ${this._url}.`); + const headers = {}; + const [name, value] = getUserAgentHeader(); + headers[name] = value; + const deleteOptions = { + headers: { ...headers, ...this._options.headers }, + timeout: this._options.timeout, + withCredentials: this._options.withCredentials, + }; + let error; + try { + await this._httpClient.delete(this._url, deleteOptions); + } + catch (err) { + error = err; + } + if (error) { + if (error instanceof HttpError) { + if (error.statusCode === 404) { + this._logger.log(LogLevel.Trace, "(LongPolling transport) A 404 response was returned from sending a DELETE request."); + } + else { + this._logger.log(LogLevel.Trace, `(LongPolling transport) Error sending a DELETE request: ${error}`); + } + } + } + else { + this._logger.log(LogLevel.Trace, "(LongPolling transport) DELETE request accepted."); + } + } + finally { + this._logger.log(LogLevel.Trace, "(LongPolling transport) Stop finished."); + // Raise close event here instead of in polling + // It needs to happen after the DELETE request is sent + this._raiseOnClose(); + } + } + _raiseOnClose() { + if (this.onclose) { + let logMessage = "(LongPolling transport) Firing onclose event."; + if (this._closeError) { + logMessage += " Error: " + this._closeError; + } + this._logger.log(LogLevel.Trace, logMessage); + this.onclose(this._closeError); + } + } +} + +;// CONCATENATED MODULE: ./src/ServerSentEventsTransport.ts +// Licensed to the .NET Foundation under one or more agreements. +// The .NET Foundation licenses this file to you under the MIT license. + + + +/** @private */ +class ServerSentEventsTransport { + constructor(httpClient, accessToken, logger, options) { + this._httpClient = httpClient; + this._accessToken = accessToken; + this._logger = logger; + this._options = options; + this.onreceive = null; + this.onclose = null; + } + async connect(url, transferFormat) { + Arg.isRequired(url, "url"); + Arg.isRequired(transferFormat, "transferFormat"); + Arg.isIn(transferFormat, TransferFormat, "transferFormat"); + this._logger.log(LogLevel.Trace, "(SSE transport) Connecting."); + // set url before accessTokenFactory because this._url is only for send and we set the auth header instead of the query string for send + this._url = url; + if (this._accessToken) { + url += (url.indexOf("?") < 0 ? "?" : "&") + `access_token=${encodeURIComponent(this._accessToken)}`; + } + return new Promise((resolve, reject) => { + let opened = false; + if (transferFormat !== TransferFormat.Text) { + reject(new Error("The Server-Sent Events transport only supports the 'Text' transfer format")); + return; + } + let eventSource; + if (Platform.isBrowser || Platform.isWebWorker) { + eventSource = new this._options.EventSource(url, { withCredentials: this._options.withCredentials }); + } + else { + // Non-browser passes cookies via the dictionary + const cookies = this._httpClient.getCookieString(url); + const headers = {}; + headers.Cookie = cookies; + const [name, value] = getUserAgentHeader(); + headers[name] = value; + eventSource = new this._options.EventSource(url, { withCredentials: this._options.withCredentials, headers: { ...headers, ...this._options.headers } }); + } + try { + eventSource.onmessage = (e) => { + if (this.onreceive) { + try { + this._logger.log(LogLevel.Trace, `(SSE transport) data received. ${getDataDetail(e.data, this._options.logMessageContent)}.`); + this.onreceive(e.data); + } + catch (error) { + this._close(error); + return; + } + } + }; + // @ts-ignore: not using event on purpose + eventSource.onerror = (e) => { + // EventSource doesn't give any useful information about server side closes. + if (opened) { + this._close(); + } + else { + reject(new Error("EventSource failed to connect. The connection could not be found on the server," + + " either the connection ID is not present on the server, or a proxy is refusing/buffering the connection." + + " If you have multiple servers check that sticky sessions are enabled.")); + } + }; + eventSource.onopen = () => { + this._logger.log(LogLevel.Information, `SSE connected to ${this._url}`); + this._eventSource = eventSource; + opened = true; + resolve(); + }; + } + catch (e) { + reject(e); + return; + } + }); + } + async send(data) { + if (!this._eventSource) { + return Promise.reject(new Error("Cannot send until the transport is connected")); + } + return sendMessage(this._logger, "SSE", this._httpClient, this._url, data, this._options); + } + stop() { + this._close(); + return Promise.resolve(); + } + _close(e) { + if (this._eventSource) { + this._eventSource.close(); + this._eventSource = undefined; + if (this.onclose) { + this.onclose(e); + } + } + } +} + +;// CONCATENATED MODULE: ./src/WebSocketTransport.ts +// Licensed to the .NET Foundation under one or more agreements. +// The .NET Foundation licenses this file to you under the MIT license. + + + + +/** @private */ +class WebSocketTransport { + constructor(httpClient, accessTokenFactory, logger, logMessageContent, webSocketConstructor, headers) { + this._logger = logger; + this._accessTokenFactory = accessTokenFactory; + this._logMessageContent = logMessageContent; + this._webSocketConstructor = webSocketConstructor; + this._httpClient = httpClient; + this.onreceive = null; + this.onclose = null; + this._headers = headers; + } + async connect(url, transferFormat) { + Arg.isRequired(url, "url"); + Arg.isRequired(transferFormat, "transferFormat"); + Arg.isIn(transferFormat, TransferFormat, "transferFormat"); + this._logger.log(LogLevel.Trace, "(WebSockets transport) Connecting."); + let token; + if (this._accessTokenFactory) { + token = await this._accessTokenFactory(); + } + return new Promise((resolve, reject) => { + url = url.replace(/^http/, "ws"); + let webSocket; + const cookies = this._httpClient.getCookieString(url); + let opened = false; + if (Platform.isNode || Platform.isReactNative) { + const headers = {}; + const [name, value] = getUserAgentHeader(); + headers[name] = value; + if (token) { + headers[HeaderNames.Authorization] = `Bearer ${token}`; + } + if (cookies) { + headers[HeaderNames.Cookie] = cookies; + } + // Only pass headers when in non-browser environments + webSocket = new this._webSocketConstructor(url, undefined, { + headers: { ...headers, ...this._headers }, + }); + } + else { + if (token) { + url += (url.indexOf("?") < 0 ? "?" : "&") + `access_token=${encodeURIComponent(token)}`; + } + } + if (!webSocket) { + // Chrome is not happy with passing 'undefined' as protocol + webSocket = new this._webSocketConstructor(url); + } + if (transferFormat === TransferFormat.Binary) { + webSocket.binaryType = "arraybuffer"; + } + webSocket.onopen = (_event) => { + this._logger.log(LogLevel.Information, `WebSocket connected to ${url}.`); + this._webSocket = webSocket; + opened = true; + resolve(); + }; + webSocket.onerror = (event) => { + let error = null; + // ErrorEvent is a browser only type we need to check if the type exists before using it + if (typeof ErrorEvent !== "undefined" && event instanceof ErrorEvent) { + error = event.error; + } + else { + error = "There was an error with the transport"; + } + this._logger.log(LogLevel.Information, `(WebSockets transport) ${error}.`); + }; + webSocket.onmessage = (message) => { + this._logger.log(LogLevel.Trace, `(WebSockets transport) data received. ${getDataDetail(message.data, this._logMessageContent)}.`); + if (this.onreceive) { + try { + this.onreceive(message.data); + } + catch (error) { + this._close(error); + return; + } + } + }; + webSocket.onclose = (event) => { + // Don't call close handler if connection was never established + // We'll reject the connect call instead + if (opened) { + this._close(event); + } + else { + let error = null; + // ErrorEvent is a browser only type we need to check if the type exists before using it + if (typeof ErrorEvent !== "undefined" && event instanceof ErrorEvent) { + error = event.error; + } + else { + error = "WebSocket failed to connect. The connection could not be found on the server," + + " either the endpoint may not be a SignalR endpoint," + + " the connection ID is not present on the server, or there is a proxy blocking WebSockets." + + " If you have multiple servers check that sticky sessions are enabled."; + } + reject(new Error(error)); + } + }; + }); + } + send(data) { + if (this._webSocket && this._webSocket.readyState === this._webSocketConstructor.OPEN) { + this._logger.log(LogLevel.Trace, `(WebSockets transport) sending data. ${getDataDetail(data, this._logMessageContent)}.`); + this._webSocket.send(data); + return Promise.resolve(); + } + return Promise.reject("WebSocket is not in the OPEN state"); + } + stop() { + if (this._webSocket) { + // Manually invoke onclose callback inline so we know the HttpConnection was closed properly before returning + // This also solves an issue where websocket.onclose could take 18+ seconds to trigger during network disconnects + this._close(undefined); + } + return Promise.resolve(); + } + _close(event) { + // webSocket will be null if the transport did not start successfully + if (this._webSocket) { + // Clear websocket handlers because we are considering the socket closed now + this._webSocket.onclose = () => { }; + this._webSocket.onmessage = () => { }; + this._webSocket.onerror = () => { }; + this._webSocket.close(); + this._webSocket = undefined; + } + this._logger.log(LogLevel.Trace, "(WebSockets transport) socket closed."); + if (this.onclose) { + if (this._isCloseEvent(event) && (event.wasClean === false || event.code !== 1000)) { + this.onclose(new Error(`WebSocket closed with status code: ${event.code} (${event.reason || "no reason given"}).`)); + } + else if (event instanceof Error) { + this.onclose(event); + } + else { + this.onclose(); + } + } + } + _isCloseEvent(event) { + return event && typeof event.wasClean === "boolean" && typeof event.code === "number"; + } +} + +;// CONCATENATED MODULE: ./src/HttpConnection.ts +// Licensed to the .NET Foundation under one or more agreements. +// The .NET Foundation licenses this file to you under the MIT license. + + + + + + + + + +const MAX_REDIRECTS = 100; +/** @private */ +class HttpConnection { + constructor(url, options = {}) { + this._stopPromiseResolver = () => { }; + this.features = {}; + this._negotiateVersion = 1; + Arg.isRequired(url, "url"); + this._logger = 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"); + } + options.timeout = options.timeout === undefined ? 100 * 1000 : options.timeout; + let webSocketModule = null; + let eventSourceModule = null; + if (Platform.isNode && "function" !== "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 + const requireFunc = true ? require : 0; + webSocketModule = requireFunc("ws"); + eventSourceModule = requireFunc("eventsource"); + } + if (!Platform.isNode && typeof WebSocket !== "undefined" && !options.WebSocket) { + options.WebSocket = WebSocket; + } + else if (Platform.isNode && !options.WebSocket) { + if (webSocketModule) { + options.WebSocket = webSocketModule; + } + } + if (!Platform.isNode && typeof EventSource !== "undefined" && !options.EventSource) { + options.EventSource = EventSource; + } + else if (Platform.isNode && !options.EventSource) { + if (typeof eventSourceModule !== "undefined") { + options.EventSource = eventSourceModule; + } + } + this._httpClient = new AccessTokenHttpClient(options.httpClient || new DefaultHttpClient(this._logger), options.accessTokenFactory); + this._connectionState = "Disconnected" /* ConnectionState.Disconnected */; + this._connectionStarted = false; + this._options = options; + this.onreceive = null; + this.onclose = null; + } + async start(transferFormat) { + transferFormat = transferFormat || TransferFormat.Binary; + Arg.isIn(transferFormat, TransferFormat, "transferFormat"); + this._logger.log(LogLevel.Debug, `Starting connection with transfer format '${TransferFormat[transferFormat]}'.`); + if (this._connectionState !== "Disconnected" /* ConnectionState.Disconnected */) { + return Promise.reject(new Error("Cannot start an HttpConnection that is not in the 'Disconnected' state.")); + } + this._connectionState = "Connecting" /* ConnectionState.Connecting */; + this._startInternalPromise = this._startInternal(transferFormat); + await this._startInternalPromise; + // The TypeScript compiler thinks that connectionState must be Connecting here. The TypeScript compiler is wrong. + if (this._connectionState === "Disconnecting" /* ConnectionState.Disconnecting */) { + // stop() was called and transitioned the client into the Disconnecting state. + const message = "Failed to start the HttpConnection before stop() was called."; + this._logger.log(LogLevel.Error, message); + // We cannot await stopPromise inside startInternal since stopInternal awaits the startInternalPromise. + await this._stopPromise; + return Promise.reject(new AbortError(message)); + } + else if (this._connectionState !== "Connected" /* ConnectionState.Connected */) { + // stop() was called and transitioned the client into the Disconnecting state. + const message = "HttpConnection.startInternal completed gracefully but didn't enter the connection into the connected state!"; + this._logger.log(LogLevel.Error, message); + return Promise.reject(new AbortError(message)); + } + this._connectionStarted = true; + } + send(data) { + if (this._connectionState !== "Connected" /* ConnectionState.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); + } + async stop(error) { + if (this._connectionState === "Disconnected" /* ConnectionState.Disconnected */) { + this._logger.log(LogLevel.Debug, `Call to HttpConnection.stop(${error}) ignored because the connection is already in the disconnected state.`); + return Promise.resolve(); + } + if (this._connectionState === "Disconnecting" /* ConnectionState.Disconnecting */) { + this._logger.log(LogLevel.Debug, `Call to HttpConnection.stop(${error}) ignored because the connection is already in the disconnecting state.`); + return this._stopPromise; + } + this._connectionState = "Disconnecting" /* ConnectionState.Disconnecting */; + this._stopPromise = new Promise((resolve) => { + // Don't complete stop() until stopConnection() completes. + this._stopPromiseResolver = resolve; + }); + // stopInternal should never throw so just observe it. + await this._stopInternal(error); + await this._stopPromise; + } + async _stopInternal(error) { + // Set error as soon as possible otherwise there is a race between + // the transport closing and providing an error and the error from a close message + // We would prefer the close message error. + this._stopError = error; + try { + await this._startInternalPromise; + } + catch (e) { + // This exception is returned to the user as a rejected Promise from the start method. + } + // The transport's onclose will trigger stopConnection which will run our onclose event. + // The transport should always be set if currently connected. If it wasn't set, it's likely because + // stop was called during start() and start() failed. + if (this.transport) { + try { + await this.transport.stop(); + } + catch (e) { + this._logger.log(LogLevel.Error, `HttpConnection.transport.stop() threw error '${e}'.`); + this._stopConnection(); + } + this.transport = undefined; + } + else { + this._logger.log(LogLevel.Debug, "HttpConnection.transport is undefined in HttpConnection.stop() because start() failed."); + } + } + async _startInternal(transferFormat) { + // Store the original base url and the access token factory since they may change + // as part of negotiating + let url = this.baseUrl; + this._accessTokenFactory = this._options.accessTokenFactory; + this._httpClient._accessTokenFactory = this._accessTokenFactory; + try { + if (this._options.skipNegotiation) { + if (this._options.transport === HttpTransportType.WebSockets) { + // No need to add a connection ID in this case + this.transport = this._constructTransport(HttpTransportType.WebSockets); + // We should just call connect directly in this case. + // No fallback or negotiate in this case. + await this._startTransport(url, transferFormat); + } + else { + throw new Error("Negotiation can only be skipped when using the WebSocket transport directly."); + } + } + else { + let negotiateResponse = null; + let redirects = 0; + do { + negotiateResponse = await this._getNegotiationResponse(url); + // the user tries to stop the connection when it is being started + if (this._connectionState === "Disconnecting" /* ConnectionState.Disconnecting */ || this._connectionState === "Disconnected" /* ConnectionState.Disconnected */) { + throw new AbortError("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) { + // Replace the current access token factory with one that uses + // the returned access token + const accessToken = negotiateResponse.accessToken; + this._accessTokenFactory = () => accessToken; + // set the factory to undefined so the AccessTokenHttpClient won't retry with the same token, since we know it won't change until a connection restart + this._httpClient._accessToken = accessToken; + this._httpClient._accessTokenFactory = undefined; + } + redirects++; + } while (negotiateResponse.url && redirects < MAX_REDIRECTS); + if (redirects === MAX_REDIRECTS && negotiateResponse.url) { + throw new Error("Negotiate redirection limit exceeded."); + } + await this._createTransport(url, this._options.transport, negotiateResponse, transferFormat); + } + if (this.transport instanceof LongPollingTransport) { + this.features.inherentKeepAlive = true; + } + if (this._connectionState === "Connecting" /* ConnectionState.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(LogLevel.Debug, "The HttpConnection connected successfully."); + this._connectionState = "Connected" /* ConnectionState.Connected */; + } + // stop() is waiting on us via this.startInternalPromise so keep this.transport around so it can clean up. + // This is the only case startInternal can exit in neither the connected nor disconnected state because stopConnection() + // will transition to the disconnected state. start() will wait for the transition using the stopPromise. + } + catch (e) { + this._logger.log(LogLevel.Error, "Failed to start the connection: " + e); + this._connectionState = "Disconnected" /* ConnectionState.Disconnected */; + this.transport = undefined; + // if start fails, any active calls to stop assume that start will complete the stop promise + this._stopPromiseResolver(); + return Promise.reject(e); + } + } + async _getNegotiationResponse(url) { + const headers = {}; + const [name, value] = getUserAgentHeader(); + headers[name] = value; + const negotiateUrl = this._resolveNegotiateUrl(url); + this._logger.log(LogLevel.Debug, `Sending negotiation request: ${negotiateUrl}.`); + try { + const response = await this._httpClient.post(negotiateUrl, { + content: "", + headers: { ...headers, ...this._options.headers }, + timeout: this._options.timeout, + withCredentials: this._options.withCredentials, + }); + if (response.statusCode !== 200) { + return Promise.reject(new Error(`Unexpected status code returned from negotiate '${response.statusCode}'`)); + } + const 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; + } + if (negotiateResponse.useStatefulReconnect && this._options._useStatefulReconnect !== true) { + return Promise.reject(new FailedToNegotiateWithServerError("Client didn't negotiate Stateful Reconnect but the server did.")); + } + return negotiateResponse; + } + catch (e) { + let errorMessage = "Failed to complete negotiation with the server: " + e; + if (e instanceof HttpError) { + if (e.statusCode === 404) { + errorMessage = errorMessage + " Either this is not a SignalR endpoint or there is a proxy blocking the connection."; + } + } + this._logger.log(LogLevel.Error, errorMessage); + return Promise.reject(new FailedToNegotiateWithServerError(errorMessage)); + } + } + _createConnectUrl(url, connectionToken) { + if (!connectionToken) { + return url; + } + return url + (url.indexOf("?") === -1 ? "?" : "&") + `id=${connectionToken}`; + } + async _createTransport(url, requestedTransport, negotiateResponse, requestedTransferFormat) { + let connectUrl = this._createConnectUrl(url, negotiateResponse.connectionToken); + if (this._isITransport(requestedTransport)) { + this._logger.log(LogLevel.Debug, "Connection was provided an instance of ITransport, using that directly."); + this.transport = requestedTransport; + await this._startTransport(connectUrl, requestedTransferFormat); + this.connectionId = negotiateResponse.connectionId; + return; + } + const transportExceptions = []; + const transports = negotiateResponse.availableTransports || []; + let negotiate = negotiateResponse; + for (const endpoint of transports) { + const transportOrError = this._resolveTransportOrError(endpoint, requestedTransport, requestedTransferFormat, (negotiate === null || negotiate === void 0 ? void 0 : negotiate.useStatefulReconnect) === true); + if (transportOrError instanceof Error) { + // Store the error and continue, we don't want to cause a re-negotiate in these cases + transportExceptions.push(`${endpoint.transport} failed:`); + transportExceptions.push(transportOrError); + } + else if (this._isITransport(transportOrError)) { + this.transport = transportOrError; + if (!negotiate) { + try { + negotiate = await this._getNegotiationResponse(url); + } + catch (ex) { + return Promise.reject(ex); + } + connectUrl = this._createConnectUrl(url, negotiate.connectionToken); + } + try { + await this._startTransport(connectUrl, requestedTransferFormat); + this.connectionId = negotiate.connectionId; + return; + } + catch (ex) { + this._logger.log(LogLevel.Error, `Failed to start the transport '${endpoint.transport}': ${ex}`); + negotiate = undefined; + transportExceptions.push(new FailedToStartTransportError(`${endpoint.transport} failed: ${ex}`, HttpTransportType[endpoint.transport])); + if (this._connectionState !== "Connecting" /* ConnectionState.Connecting */) { + const message = "Failed to select transport before stop() was called."; + this._logger.log(LogLevel.Debug, message); + return Promise.reject(new AbortError(message)); + } + } + } + } + if (transportExceptions.length > 0) { + return Promise.reject(new AggregateErrors(`Unable to connect to the server with any of the available transports. ${transportExceptions.join(" ")}`, transportExceptions)); + } + return Promise.reject(new Error("None of the transports supported by the client are supported by the server.")); + } + _constructTransport(transport) { + switch (transport) { + case HttpTransportType.WebSockets: + if (!this._options.WebSocket) { + throw new Error("'WebSocket' is not supported in your environment."); + } + return new WebSocketTransport(this._httpClient, this._accessTokenFactory, this._logger, this._options.logMessageContent, this._options.WebSocket, this._options.headers || {}); + case HttpTransportType.ServerSentEvents: + if (!this._options.EventSource) { + throw new Error("'EventSource' is not supported in your environment."); + } + return new ServerSentEventsTransport(this._httpClient, this._httpClient._accessToken, this._logger, this._options); + case HttpTransportType.LongPolling: + return new LongPollingTransport(this._httpClient, this._logger, this._options); + default: + throw new Error(`Unknown transport: ${transport}.`); + } + } + _startTransport(url, transferFormat) { + this.transport.onreceive = this.onreceive; + if (this.features.reconnect) { + this.transport.onclose = async (e) => { + let callStop = false; + if (this.features.reconnect) { + try { + this.features.disconnected(); + await this.transport.connect(url, transferFormat); + await this.features.resend(); + } + catch { + callStop = true; + } + } + else { + this._stopConnection(e); + return; + } + if (callStop) { + this._stopConnection(e); + } + }; + } + else { + this.transport.onclose = (e) => this._stopConnection(e); + } + return this.transport.connect(url, transferFormat); + } + _resolveTransportOrError(endpoint, requestedTransport, requestedTransferFormat, useStatefulReconnect) { + const transport = HttpTransportType[endpoint.transport]; + if (transport === null || transport === undefined) { + this._logger.log(LogLevel.Debug, `Skipping transport '${endpoint.transport}' because it is not supported by this client.`); + return new Error(`Skipping transport '${endpoint.transport}' because it is not supported by this client.`); + } + else { + if (transportMatches(requestedTransport, transport)) { + const transferFormats = endpoint.transferFormats.map((s) => TransferFormat[s]); + if (transferFormats.indexOf(requestedTransferFormat) >= 0) { + if ((transport === HttpTransportType.WebSockets && !this._options.WebSocket) || + (transport === HttpTransportType.ServerSentEvents && !this._options.EventSource)) { + this._logger.log(LogLevel.Debug, `Skipping transport '${HttpTransportType[transport]}' because it is not supported in your environment.'`); + return new UnsupportedTransportError(`'${HttpTransportType[transport]}' is not supported in your environment.`, transport); + } + else { + this._logger.log(LogLevel.Debug, `Selecting transport '${HttpTransportType[transport]}'.`); + try { + this.features.reconnect = transport === HttpTransportType.WebSockets ? useStatefulReconnect : undefined; + return this._constructTransport(transport); + } + catch (ex) { + return ex; + } + } + } + else { + this._logger.log(LogLevel.Debug, `Skipping transport '${HttpTransportType[transport]}' because it does not support the requested transfer format '${TransferFormat[requestedTransferFormat]}'.`); + return new Error(`'${HttpTransportType[transport]}' does not support ${TransferFormat[requestedTransferFormat]}.`); + } + } + else { + this._logger.log(LogLevel.Debug, `Skipping transport '${HttpTransportType[transport]}' because it was disabled by the client.`); + return new DisabledTransportError(`'${HttpTransportType[transport]}' is disabled by the client.`, transport); + } + } + } + _isITransport(transport) { + return transport && typeof (transport) === "object" && "connect" in transport; + } + _stopConnection(error) { + this._logger.log(LogLevel.Debug, `HttpConnection.stopConnection(${error}) called while in state ${this._connectionState}.`); + this.transport = undefined; + // If we have a stopError, it takes precedence over the error from the transport + error = this._stopError || error; + this._stopError = undefined; + if (this._connectionState === "Disconnected" /* ConnectionState.Disconnected */) { + this._logger.log(LogLevel.Debug, `Call to HttpConnection.stopConnection(${error}) was ignored because the connection is already in the disconnected state.`); + return; + } + if (this._connectionState === "Connecting" /* ConnectionState.Connecting */) { + this._logger.log(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" /* ConnectionState.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(LogLevel.Error, `Connection disconnected with error '${error}'.`); + } + else { + this._logger.log(LogLevel.Information, "Connection disconnected."); + } + if (this._sendQueue) { + this._sendQueue.stop().catch((e) => { + this._logger.log(LogLevel.Error, `TransportSendQueue.stop() threw error '${e}'.`); + }); + this._sendQueue = undefined; + } + this.connectionId = undefined; + this._connectionState = "Disconnected" /* ConnectionState.Disconnected */; + if (this._connectionStarted) { + this._connectionStarted = false; + try { + if (this.onclose) { + this.onclose(error); + } + } + catch (e) { + this._logger.log(LogLevel.Error, `HttpConnection.onclose(${error}) threw error '${e}'.`); + } + } + } + _resolveUrl(url) { + // startsWith is not supported in IE + if (url.lastIndexOf("https://", 0) === 0 || url.lastIndexOf("http://", 0) === 0) { + return url; + } + if (!Platform.isBrowser) { + throw new Error(`Cannot resolve '${url}'.`); + } + // Setting the url to the href propery of an anchor tag handles normalization + // for us. There are 3 main cases. + // 1. Relative path normalization e.g "b" -> "http://localhost:5000/a/b" + // 2. Absolute path normalization e.g "/a/b" -> "http://localhost:5000/a/b" + // 3. Networkpath reference normalization e.g "//localhost:5000/a/b" -> "http://localhost:5000/a/b" + const aTag = window.document.createElement("a"); + aTag.href = url; + this._logger.log(LogLevel.Information, `Normalizing '${url}' to '${aTag.href}'.`); + return aTag.href; + } + _resolveNegotiateUrl(url) { + const negotiateUrl = new URL(url); + if (negotiateUrl.pathname.endsWith('/')) { + negotiateUrl.pathname += "negotiate"; + } + else { + negotiateUrl.pathname += "/negotiate"; + } + const searchParams = new URLSearchParams(negotiateUrl.searchParams); + if (!searchParams.has("negotiateVersion")) { + searchParams.append("negotiateVersion", this._negotiateVersion.toString()); + } + if (searchParams.has("useStatefulReconnect")) { + if (searchParams.get("useStatefulReconnect") === "true") { + this._options._useStatefulReconnect = true; + } + } + else if (this._options._useStatefulReconnect === true) { + searchParams.append("useStatefulReconnect", "true"); + } + negotiateUrl.search = searchParams.toString(); + return negotiateUrl.toString(); + } +} +function transportMatches(requestedTransport, actualTransport) { + return !requestedTransport || ((actualTransport & requestedTransport) !== 0); +} +/** @private */ +class TransportSendQueue { + constructor(_transport) { + this._transport = _transport; + this._buffer = []; + this._executing = true; + this._sendBufferedData = new PromiseSource(); + this._transportResult = new PromiseSource(); + this._sendLoopPromise = this._sendLoop(); + } + send(data) { + this._bufferData(data); + if (!this._transportResult) { + this._transportResult = new PromiseSource(); + } + return this._transportResult.promise; + } + stop() { + this._executing = false; + this._sendBufferedData.resolve(); + return this._sendLoopPromise; + } + _bufferData(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(); + } + async _sendLoop() { + while (true) { + await this._sendBufferedData.promise; + if (!this._executing) { + if (this._transportResult) { + this._transportResult.reject("Connection stopped."); + } + break; + } + this._sendBufferedData = new PromiseSource(); + const transportResult = this._transportResult; + this._transportResult = undefined; + const data = typeof (this._buffer[0]) === "string" ? + this._buffer.join("") : + TransportSendQueue._concatBuffers(this._buffer); + this._buffer.length = 0; + try { + await this._transport.send(data); + transportResult.resolve(); + } + catch (error) { + transportResult.reject(error); + } + } + } + static _concatBuffers(arrayBuffers) { + const totalLength = arrayBuffers.map((b) => b.byteLength).reduce((a, b) => a + b); + const result = new Uint8Array(totalLength); + let offset = 0; + for (const item of arrayBuffers) { + result.set(new Uint8Array(item), offset); + offset += item.byteLength; + } + return result.buffer; + } +} +class PromiseSource { + constructor() { + this.promise = new Promise((resolve, reject) => [this._resolver, this._rejecter] = [resolve, reject]); + } + resolve() { + this._resolver(); + } + reject(reason) { + this._rejecter(reason); + } +} + +;// CONCATENATED MODULE: ./src/JsonHubProtocol.ts +// Licensed to the .NET Foundation under one or more agreements. +// The .NET Foundation licenses this file to you under the MIT license. + + + + + +const JSON_HUB_PROTOCOL_NAME = "json"; +/** Implements the JSON Hub Protocol. */ +class JsonHubProtocol { + constructor() { + /** @inheritDoc */ + this.name = JSON_HUB_PROTOCOL_NAME; + /** @inheritDoc */ + this.version = 2; + /** @inheritDoc */ + this.transferFormat = TransferFormat.Text; + } + /** Creates an array of {@link @microsoft/signalr.HubMessage} objects from the specified serialized representation. + * + * @param {string} input A string containing the serialized representation. + * @param {ILogger} logger A logger that will be used to log messages that occur during parsing. + */ + parseMessages(input, logger) { + // The interface does allow "ArrayBuffer" to be passed in, but this implementation does not. So let's throw a useful error. + if (typeof input !== "string") { + throw new Error("Invalid input for JSON hub protocol. Expected a string."); + } + if (!input) { + return []; + } + if (logger === null) { + logger = NullLogger.instance; + } + // Parse the messages + const messages = TextMessageFormat.parse(input); + const hubMessages = []; + for (const message of messages) { + const parsedMessage = JSON.parse(message); + if (typeof parsedMessage.type !== "number") { + throw new Error("Invalid payload."); + } + switch (parsedMessage.type) { + case MessageType.Invocation: + this._isInvocationMessage(parsedMessage); + break; + case MessageType.StreamItem: + this._isStreamItemMessage(parsedMessage); + break; + case MessageType.Completion: + this._isCompletionMessage(parsedMessage); + break; + case MessageType.Ping: + // Single value, no need to validate + break; + case MessageType.Close: + // All optional values, no need to validate + break; + case MessageType.Ack: + this._isAckMessage(parsedMessage); + break; + case MessageType.Sequence: + this._isSequenceMessage(parsedMessage); + break; + default: + // Future protocol changes can add message types, old clients can ignore them + logger.log(LogLevel.Information, "Unknown message type '" + parsedMessage.type + "' ignored."); + continue; + } + hubMessages.push(parsedMessage); + } + return hubMessages; + } + /** Writes the specified {@link @microsoft/signalr.HubMessage} to a string and returns it. + * + * @param {HubMessage} message The message to write. + * @returns {string} A string containing the serialized representation of the message. + */ + writeMessage(message) { + return TextMessageFormat.write(JSON.stringify(message)); + } + _isInvocationMessage(message) { + this._assertNotEmptyString(message.target, "Invalid payload for Invocation message."); + if (message.invocationId !== undefined) { + this._assertNotEmptyString(message.invocationId, "Invalid payload for Invocation message."); + } + } + _isStreamItemMessage(message) { + this._assertNotEmptyString(message.invocationId, "Invalid payload for StreamItem message."); + if (message.item === undefined) { + throw new Error("Invalid payload for StreamItem message."); + } + } + _isCompletionMessage(message) { + if (message.result && message.error) { + throw new Error("Invalid payload for Completion message."); + } + if (!message.result && message.error) { + this._assertNotEmptyString(message.error, "Invalid payload for Completion message."); + } + this._assertNotEmptyString(message.invocationId, "Invalid payload for Completion message."); + } + _isAckMessage(message) { + if (typeof message.sequenceId !== 'number') { + throw new Error("Invalid SequenceId for Ack message."); + } + } + _isSequenceMessage(message) { + if (typeof message.sequenceId !== 'number') { + throw new Error("Invalid SequenceId for Sequence message."); + } + } + _assertNotEmptyString(value, errorMessage) { + if (typeof value !== "string" || value === "") { + throw new Error(errorMessage); + } + } +} + +;// CONCATENATED MODULE: ./src/HubConnectionBuilder.ts +// Licensed to the .NET Foundation under one or more agreements. +// The .NET Foundation licenses this file to you under the MIT license. + + + + + + + +const LogLevelNameMapping = { + trace: LogLevel.Trace, + debug: LogLevel.Debug, + info: LogLevel.Information, + information: LogLevel.Information, + warn: LogLevel.Warning, + warning: LogLevel.Warning, + error: LogLevel.Error, + critical: LogLevel.Critical, + none: LogLevel.None, +}; +function parseLogLevel(name) { + // Case-insensitive matching via lower-casing + // Yes, I know case-folding is a complicated problem in Unicode, but we only support + // the ASCII strings defined in LogLevelNameMapping anyway, so it's fine -anurse. + const mapping = LogLevelNameMapping[name.toLowerCase()]; + if (typeof mapping !== "undefined") { + return mapping; + } + else { + throw new Error(`Unknown log level: ${name}`); + } +} +/** A builder for configuring {@link @microsoft/signalr.HubConnection} instances. */ +class HubConnectionBuilder { + configureLogging(logging) { + Arg.isRequired(logging, "logging"); + if (isLogger(logging)) { + this.logger = logging; + } + else if (typeof logging === "string") { + const logLevel = parseLogLevel(logging); + this.logger = new ConsoleLogger(logLevel); + } + else { + this.logger = new ConsoleLogger(logging); + } + return this; + } + withUrl(url, transportTypeOrOptions) { + Arg.isRequired(url, "url"); + Arg.isNotEmpty(url, "url"); + this.url = url; + // Flow-typing knows where it's at. Since HttpTransportType is a number and IHttpConnectionOptions is guaranteed + // to be an object, we know (as does TypeScript) this comparison is all we need to figure out which overload was called. + if (typeof transportTypeOrOptions === "object") { + this.httpConnectionOptions = { ...this.httpConnectionOptions, ...transportTypeOrOptions }; + } + else { + this.httpConnectionOptions = { + ...this.httpConnectionOptions, + transport: transportTypeOrOptions, + }; + } + return this; + } + /** Configures the {@link @microsoft/signalr.HubConnection} to use the specified Hub Protocol. + * + * @param {IHubProtocol} protocol The {@link @microsoft/signalr.IHubProtocol} implementation to use. + */ + withHubProtocol(protocol) { + Arg.isRequired(protocol, "protocol"); + this.protocol = protocol; + return this; + } + withAutomaticReconnect(retryDelaysOrReconnectPolicy) { + if (this.reconnectPolicy) { + throw new Error("A reconnectPolicy has already been set."); + } + if (!retryDelaysOrReconnectPolicy) { + this.reconnectPolicy = new DefaultReconnectPolicy(); + } + else if (Array.isArray(retryDelaysOrReconnectPolicy)) { + this.reconnectPolicy = new DefaultReconnectPolicy(retryDelaysOrReconnectPolicy); + } + else { + this.reconnectPolicy = retryDelaysOrReconnectPolicy; + } + return this; + } + /** Configures {@link @microsoft/signalr.HubConnection.serverTimeoutInMilliseconds} for the {@link @microsoft/signalr.HubConnection}. + * + * @returns The {@link @microsoft/signalr.HubConnectionBuilder} instance, for chaining. + */ + withServerTimeout(milliseconds) { + Arg.isRequired(milliseconds, "milliseconds"); + this._serverTimeoutInMilliseconds = milliseconds; + return this; + } + /** Configures {@link @microsoft/signalr.HubConnection.keepAliveIntervalInMilliseconds} for the {@link @microsoft/signalr.HubConnection}. + * + * @returns The {@link @microsoft/signalr.HubConnectionBuilder} instance, for chaining. + */ + withKeepAliveInterval(milliseconds) { + Arg.isRequired(milliseconds, "milliseconds"); + this._keepAliveIntervalInMilliseconds = milliseconds; + return this; + } + /** Enables and configures options for the Stateful Reconnect feature. + * + * @returns The {@link @microsoft/signalr.HubConnectionBuilder} instance, for chaining. + */ + withStatefulReconnect(options) { + if (this.httpConnectionOptions === undefined) { + this.httpConnectionOptions = {}; + } + this.httpConnectionOptions._useStatefulReconnect = true; + this._statefulReconnectBufferSize = options === null || options === void 0 ? void 0 : options.bufferSize; + return this; + } + /** Creates a {@link @microsoft/signalr.HubConnection} from the configuration options specified in this builder. + * + * @returns {HubConnection} The configured {@link @microsoft/signalr.HubConnection}. + */ + build() { + // If httpConnectionOptions has a logger, use it. Otherwise, override it with the one + // provided to configureLogger + const httpConnectionOptions = this.httpConnectionOptions || {}; + // If it's 'null', the user **explicitly** asked for null, don't mess with it. + if (httpConnectionOptions.logger === undefined) { + // If our logger is undefined or null, that's OK, the HttpConnection constructor will handle it. + httpConnectionOptions.logger = this.logger; + } + // Now create the connection + if (!this.url) { + throw new Error("The 'HubConnectionBuilder.withUrl' method must be called before building the connection."); + } + const connection = new HttpConnection(this.url, httpConnectionOptions); + return HubConnection.create(connection, this.logger || NullLogger.instance, this.protocol || new JsonHubProtocol(), this.reconnectPolicy, this._serverTimeoutInMilliseconds, this._keepAliveIntervalInMilliseconds, this._statefulReconnectBufferSize); + } +} +function isLogger(logger) { + return logger.log !== undefined; +} + +;// CONCATENATED MODULE: ./src/index.ts +// Licensed to the .NET Foundation under one or more agreements. +// The .NET Foundation licenses this file to you under the MIT license. + + + + + + + + + + + + + +;// CONCATENATED MODULE: ./src/browser-index.ts +// Licensed to the .NET Foundation under one or more agreements. +// The .NET Foundation licenses this file to you under the MIT license. +// This is where we add any polyfills we'll need for the browser. It is the entry module for browser-specific builds. +// Copy from Array.prototype into Uint8Array to polyfill on IE. It's OK because the implementations of indexOf and slice use properties +// that exist on Uint8Array with the same name, and JavaScript is magic. +// We make them 'writable' because the Buffer polyfill messes with it as well. +if (!Uint8Array.prototype.indexOf) { + Object.defineProperty(Uint8Array.prototype, "indexOf", { + value: Array.prototype.indexOf, + writable: true, + }); +} +if (!Uint8Array.prototype.slice) { + Object.defineProperty(Uint8Array.prototype, "slice", { + // wrap the slice in Uint8Array so it looks like a Uint8Array.slice call + // eslint-disable-next-line object-shorthand + value: function (start, end) { return new Uint8Array(Array.prototype.slice.call(this, start, end)); }, + writable: true, + }); +} +if (!Uint8Array.prototype.forEach) { + Object.defineProperty(Uint8Array.prototype, "forEach", { + value: Array.prototype.forEach, + writable: true, + }); +} + + +/******/ return __webpack_exports__; +/******/ })() +; +}); +//# sourceMappingURL=signalr.js.map \ No newline at end of file diff --git a/BadNews/wwwroot/js/signalr/dist/browser/signalr.min.js b/BadNews/wwwroot/js/signalr/dist/browser/signalr.min.js new file mode 100644 index 0000000..0ba87de --- /dev/null +++ b/BadNews/wwwroot/js/signalr/dist/browser/signalr.min.js @@ -0,0 +1,2 @@ +var t,e;t=self,e=()=>(()=>{var t={d:(e,s)=>{for(var i in s)t.o(s,i)&&!t.o(e,i)&&Object.defineProperty(e,i,{enumerable:!0,get:s[i]})}};t.g=function(){if("object"==typeof globalThis)return globalThis;try{return this||new Function("return this")()}catch(t){if("object"==typeof window)return window}}(),t.o=(t,e)=>Object.prototype.hasOwnProperty.call(t,e),t.r=t=>{"undefined"!=typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(t,Symbol.toStringTag,{value:"Module"}),Object.defineProperty(t,"t",{value:!0})};var e,s={};t.r(s),t.d(s,{AbortError:()=>r,DefaultHttpClient:()=>H,HttpClient:()=>d,HttpError:()=>i,HttpResponse:()=>u,HttpTransportType:()=>F,HubConnection:()=>q,HubConnectionBuilder:()=>tt,HubConnectionState:()=>A,JsonHubProtocol:()=>Y,LogLevel:()=>e,MessageType:()=>x,NullLogger:()=>f,Subject:()=>U,TimeoutError:()=>n,TransferFormat:()=>B,VERSION:()=>p});class i extends Error{constructor(t,e){const s=new.target.prototype;super(`${t}: Status code '${e}'`),this.statusCode=e,this.__proto__=s}}class n extends Error{constructor(t="A timeout occurred."){const e=new.target.prototype;super(t),this.__proto__=e}}class r extends Error{constructor(t="An abort occurred."){const e=new.target.prototype;super(t),this.__proto__=e}}class o extends Error{constructor(t,e){const s=new.target.prototype;super(t),this.transport=e,this.errorType="UnsupportedTransportError",this.__proto__=s}}class h extends Error{constructor(t,e){const s=new.target.prototype;super(t),this.transport=e,this.errorType="DisabledTransportError",this.__proto__=s}}class c extends Error{constructor(t,e){const s=new.target.prototype;super(t),this.transport=e,this.errorType="FailedToStartTransportError",this.__proto__=s}}class a extends Error{constructor(t){const e=new.target.prototype;super(t),this.errorType="FailedToNegotiateWithServerError",this.__proto__=e}}class l extends Error{constructor(t,e){const s=new.target.prototype;super(t),this.innerErrors=e,this.__proto__=s}}class u{constructor(t,e,s){this.statusCode=t,this.statusText=e,this.content=s}}class d{get(t,e){return this.send({...e,method:"GET",url:t})}post(t,e){return this.send({...e,method:"POST",url:t})}delete(t,e){return this.send({...e,method:"DELETE",url:t})}getCookieString(t){return""}}!function(t){t[t.Trace=0]="Trace",t[t.Debug=1]="Debug",t[t.Information=2]="Information",t[t.Warning=3]="Warning",t[t.Error=4]="Error",t[t.Critical=5]="Critical",t[t.None=6]="None"}(e||(e={}));class f{constructor(){}log(t,e){}}f.instance=new f;const p="8.0.7";class w{static isRequired(t,e){if(null==t)throw new Error(`The '${e}' argument is required.`)}static isNotEmpty(t,e){if(!t||t.match(/^\s*$/))throw new Error(`The '${e}' argument should not be empty.`)}static isIn(t,e,s){if(!(t in e))throw new Error(`Unknown ${s} value: ${t}.`)}}class g{static get isBrowser(){return!g.isNode&&"object"==typeof window&&"object"==typeof window.document}static get isWebWorker(){return!g.isNode&&"object"==typeof self&&"importScripts"in self}static get isReactNative(){return!g.isNode&&"object"==typeof window&&void 0===window.document}static get isNode(){return"undefined"!=typeof process&&process.release&&"node"===process.release.name}}function m(t,e){let s="";return y(t)?(s=`Binary data of length ${t.byteLength}`,e&&(s+=`. 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this.$.getCookieString(t)}}class D{static write(t){return`${t}${D.RecordSeparator}`}static parse(t){if(t[t.length-1]!==D.RecordSeparator)throw new Error("Message is incomplete.");const e=t.split(D.RecordSeparator);return e.pop(),e}}D.RecordSeparatorCode=30,D.RecordSeparator=String.fromCharCode(D.RecordSeparatorCode);class R{writeHandshakeRequest(t){return D.write(JSON.stringify(t))}parseHandshakeResponse(t){let e,s;if(y(t)){const i=new Uint8Array(t),n=i.indexOf(D.RecordSeparatorCode);if(-1===n)throw new Error("Message is incomplete.");const r=n+1;e=String.fromCharCode.apply(null,Array.prototype.slice.call(i.slice(0,r))),s=i.byteLength>r?i.slice(r).buffer:null}else{const i=t,n=i.indexOf(D.RecordSeparator);if(-1===n)throw new Error("Message is incomplete.");const r=n+1;e=i.substring(0,r),s=i.length>r?i.substring(r):null}const i=D.parse(e),n=JSON.parse(i[0]);if(n.type)throw new Error("Expected a handshake response from the server.");return[s,n]}}var x,A;!function(t){t[t.Invocation=1]="Invocation",t[t.StreamItem=2]="StreamItem",t[t.Completion=3]="Completion",t[t.StreamInvocation=4]="StreamInvocation",t[t.CancelInvocation=5]="CancelInvocation",t[t.Ping=6]="Ping",t[t.Close=7]="Close",t[t.Ack=8]="Ack",t[t.Sequence=9]="Sequence"}(x||(x={}));class U{constructor(){this.observers=[]}next(t){for(const e of this.observers)e.next(t)}error(t){for(const e of this.observers)e.error&&e.error(t)}complete(){for(const t of this.observers)t.complete&&t.complete()}subscribe(t){return this.observers.push(t),new v(this,t)}}class L{constructor(t,e,s){this.C=1e5,this.S=[],this.k=0,this.P=!1,this.T=1,this.I=0,this._=0,this.H=!1,this.D=t,this.R=e,this.C=s}async A(t){const e=this.D.writeMessage(t);let s=Promise.resolve();if(this.U(t)){this.k++;let t=()=>{},i=()=>{};y(e)?this._+=e.byteLength:this._+=e.length,this._>=this.C&&(s=new Promise(((e,s)=>{t=e,i=s}))),this.S.push(new N(e,this.k,t,i))}try{this.H||await this.R.send(e)}catch{this.L()}await s}N(t){let e=-1;for(let s=0;sthis.T?this.R.stop(new Error("Sequence ID greater than amount of messages we've received.")):this.T=t.sequenceId}L(){this.H=!0,this.P=!0}async B(){const t=0!==this.S.length?this.S[0].q:this.k+1;await this.R.send(this.D.writeMessage({type:x.Sequence,sequenceId:t}));const e=this.S;for(const t of e)await this.R.send(t.M);this.H=!1}X(t){null!=t||(t=new Error("Unable to reconnect to server."));for(const e of this.S)e.J(t)}U(t){switch(t.type){case x.Invocation:case x.StreamItem:case x.Completion:case x.StreamInvocation:case x.CancelInvocation:return!0;case x.Close:case x.Sequence:case x.Ping:case x.Ack:return!1}}O(){void 0===this.V&&(this.V=setTimeout((async()=>{try{this.H||await this.R.send(this.D.writeMessage({type:x.Ack,sequenceId:this.I}))}catch{}clearTimeout(this.V),this.V=void 0}),1e3))}}class N{constructor(t,e,s,i){this.M=t,this.q=e,this.j=s,this.J=i}}!function(t){t.Disconnected="Disconnected",t.Connecting="Connecting",t.Connected="Connected",t.Disconnecting="Disconnecting",t.Reconnecting="Reconnecting"}(A||(A={}));class q{static create(t,e,s,i,n,r,o){return new q(t,e,s,i,n,r,o)}constructor(t,s,i,n,r,o,h){this.K=0,this.G=()=>{this.u.log(e.Warning,"The page is being frozen, this will likely lead to the connection being closed and messages being lost. For more information see the docs at https://learn.microsoft.com/aspnet/core/signalr/javascript-client#bsleep")},w.isRequired(t,"connection"),w.isRequired(s,"logger"),w.isRequired(i,"protocol"),this.serverTimeoutInMilliseconds=null!=r?r:3e4,this.keepAliveIntervalInMilliseconds=null!=o?o:15e3,this.Y=null!=h?h:1e5,this.u=s,this.D=i,this.connection=t,this.Z=n,this.tt=new R,this.connection.onreceive=t=>this.et(t),this.connection.onclose=t=>this.st(t),this.it={},this.nt={},this.rt=[],this.ot=[],this.ht=[],this.ct=0,this.lt=!1,this.ut=A.Disconnected,this.dt=!1,this.ft=this.D.writeMessage({type:x.Ping})}get state(){return this.ut}get connectionId(){return this.connection&&this.connection.connectionId||null}get baseUrl(){return this.connection.baseUrl||""}set baseUrl(t){if(this.ut!==A.Disconnected&&this.ut!==A.Reconnecting)throw new Error("The HubConnection must be in the Disconnected or Reconnecting state to change the url.");if(!t)throw new Error("The HubConnection url must be a valid url.");this.connection.baseUrl=t}start(){return this.wt=this.gt(),this.wt}async gt(){if(this.ut!==A.Disconnected)return Promise.reject(new Error("Cannot start a HubConnection that is not in the 'Disconnected' state."));this.ut=A.Connecting,this.u.log(e.Debug,"Starting HubConnection.");try{await this.yt(),g.isBrowser&&window.document.addEventListener("freeze",this.G),this.ut=A.Connected,this.dt=!0,this.u.log(e.Debug,"HubConnection connected successfully.")}catch(t){return this.ut=A.Disconnected,this.u.log(e.Debug,`HubConnection failed to start successfully because of error '${t}'.`),Promise.reject(t)}}async yt(){this.bt=void 0,this.lt=!1;const t=new Promise(((t,e)=>{this.vt=t,this.Et=e}));await this.connection.start(this.D.transferFormat);try{let s=this.D.version;this.connection.features.reconnect||(s=1);const i={protocol:this.D.name,version:s};if(this.u.log(e.Debug,"Sending handshake request."),await this.$t(this.tt.writeHandshakeRequest(i)),this.u.log(e.Information,`Using HubProtocol '${this.D.name}'.`),this.Ct(),this.St(),this.kt(),await t,this.bt)throw this.bt;!!this.connection.features.reconnect&&(this.Pt=new L(this.D,this.connection,this.Y),this.connection.features.disconnected=this.Pt.L.bind(this.Pt),this.connection.features.resend=()=>{if(this.Pt)return this.Pt.B()}),this.connection.features.inherentKeepAlive||await this.$t(this.ft)}catch(t){throw this.u.log(e.Debug,`Hub handshake failed with error '${t}' during start(). Stopping HubConnection.`),this.Ct(),this.Tt(),await this.connection.stop(t),t}}async stop(){const t=this.wt;this.connection.features.reconnect=!1,this.It=this._t(),await this.It;try{await t}catch(t){}}_t(t){if(this.ut===A.Disconnected)return this.u.log(e.Debug,`Call to HubConnection.stop(${t}) ignored because it is already in the disconnected state.`),Promise.resolve();if(this.ut===A.Disconnecting)return this.u.log(e.Debug,`Call to HttpConnection.stop(${t}) ignored because the connection is already in the disconnecting state.`),this.It;const s=this.ut;return this.ut=A.Disconnecting,this.u.log(e.Debug,"Stopping HubConnection."),this.Ht?(this.u.log(e.Debug,"Connection stopped during reconnect delay. Done reconnecting."),clearTimeout(this.Ht),this.Ht=void 0,this.Dt(),Promise.resolve()):(s===A.Connected&&this.Rt(),this.Ct(),this.Tt(),this.bt=t||new r("The connection was stopped before the hub handshake could complete."),this.connection.stop(t))}async Rt(){try{await this.xt(this.At())}catch{}}stream(t,...e){const[s,i]=this.Ut(e),n=this.Lt(t,e,i);let r;const o=new U;return o.cancelCallback=()=>{const t=this.Nt(n.invocationId);return delete this.it[n.invocationId],r.then((()=>this.xt(t)))},this.it[n.invocationId]=(t,e)=>{e?o.error(e):t&&(t.type===x.Completion?t.error?o.error(new Error(t.error)):o.complete():o.next(t.item))},r=this.xt(n).catch((t=>{o.error(t),delete this.it[n.invocationId]})),this.qt(s,r),o}$t(t){return this.kt(),this.connection.send(t)}xt(t){return this.Pt?this.Pt.A(t):this.$t(this.D.writeMessage(t))}send(t,...e){const[s,i]=this.Ut(e),n=this.xt(this.Mt(t,e,!0,i));return this.qt(s,n),n}invoke(t,...e){const[s,i]=this.Ut(e),n=this.Mt(t,e,!1,i);return new Promise(((t,e)=>{this.it[n.invocationId]=(s,i)=>{i?e(i):s&&(s.type===x.Completion?s.error?e(new Error(s.error)):t(s.result):e(new Error(`Unexpected message type: ${s.type}`)))};const i=this.xt(n).catch((t=>{e(t),delete this.it[n.invocationId]}));this.qt(s,i)}))}on(t,e){t&&e&&(t=t.toLowerCase(),this.nt[t]||(this.nt[t]=[]),-1===this.nt[t].indexOf(e)&&this.nt[t].push(e))}off(t,e){if(!t)return;t=t.toLowerCase();const s=this.nt[t];if(s)if(e){const i=s.indexOf(e);-1!==i&&(s.splice(i,1),0===s.length&&delete this.nt[t])}else delete this.nt[t]}onclose(t){t&&this.rt.push(t)}onreconnecting(t){t&&this.ot.push(t)}onreconnected(t){t&&this.ht.push(t)}et(t){if(this.Ct(),this.lt||(t=this.jt(t),this.lt=!0),t){const s=this.D.parseMessages(t,this.u);for(const t of s)if(!this.Pt||this.Pt.W(t))switch(t.type){case x.Invocation:this.Wt(t).catch((t=>{this.u.log(e.Error,`Invoke client method threw error: ${P(t)}`)}));break;case x.StreamItem:case x.Completion:{const s=this.it[t.invocationId];if(s){t.type===x.Completion&&delete this.it[t.invocationId];try{s(t)}catch(t){this.u.log(e.Error,`Stream callback threw error: ${P(t)}`)}}break}case x.Ping:break;case x.Close:{this.u.log(e.Information,"Close message received from server.");const s=t.error?new Error("Server returned an error on close: "+t.error):void 0;!0===t.allowReconnect?this.connection.stop(s):this.It=this._t(s);break}case x.Ack:this.Pt&&this.Pt.N(t);break;case x.Sequence:this.Pt&&this.Pt.F(t);break;default:this.u.log(e.Warning,`Invalid message type: ${t.type}.`)}}this.St()}jt(t){let s,i;try{[i,s]=this.tt.parseHandshakeResponse(t)}catch(t){const s="Error parsing handshake response: "+t;this.u.log(e.Error,s);const i=new Error(s);throw this.Et(i),i}if(s.error){const t="Server returned handshake error: "+s.error;this.u.log(e.Error,t);const i=new Error(t);throw this.Et(i),i}return this.u.log(e.Debug,"Server handshake complete."),this.vt(),i}kt(){this.connection.features.inherentKeepAlive||(this.K=(new Date).getTime()+this.keepAliveIntervalInMilliseconds,this.Tt())}St(){if(!(this.connection.features&&this.connection.features.inherentKeepAlive||(this.Ot=setTimeout((()=>this.serverTimeout()),this.serverTimeoutInMilliseconds),void 0!==this.Ft))){let t=this.K-(new Date).getTime();t<0&&(t=0),this.Ft=setTimeout((async()=>{if(this.ut===A.Connected)try{await this.$t(this.ft)}catch{this.Tt()}}),t)}}serverTimeout(){this.connection.stop(new Error("Server timeout elapsed without receiving a message from the server."))}async Wt(t){const s=t.target.toLowerCase(),i=this.nt[s];if(!i)return this.u.log(e.Warning,`No client method with the name '${s}' found.`),void(t.invocationId&&(this.u.log(e.Warning,`No result given for '${s}' method and invocation ID '${t.invocationId}'.`),await this.xt(this.Bt(t.invocationId,"Client didn't provide a result.",null))));const n=i.slice(),r=!!t.invocationId;let o,h,c;for(const i of n)try{const n=o;o=await i.apply(this,t.arguments),r&&o&&n&&(this.u.log(e.Error,`Multiple results provided for '${s}'. Sending error to server.`),c=this.Bt(t.invocationId,"Client provided multiple results.",null)),h=void 0}catch(t){h=t,this.u.log(e.Error,`A callback for the method '${s}' threw error '${t}'.`)}c?await this.xt(c):r?(h?c=this.Bt(t.invocationId,`${h}`,null):void 0!==o?c=this.Bt(t.invocationId,null,o):(this.u.log(e.Warning,`No result given for '${s}' method and invocation ID '${t.invocationId}'.`),c=this.Bt(t.invocationId,"Client didn't provide a result.",null)),await this.xt(c)):o&&this.u.log(e.Error,`Result given for '${s}' method but server is not expecting a result.`)}st(t){this.u.log(e.Debug,`HubConnection.connectionClosed(${t}) called while in state ${this.ut}.`),this.bt=this.bt||t||new r("The underlying connection was closed before the hub handshake could complete."),this.vt&&this.vt(),this.Xt(t||new Error("Invocation canceled due to the underlying connection being closed.")),this.Ct(),this.Tt(),this.ut===A.Disconnecting?this.Dt(t):this.ut===A.Connected&&this.Z?this.Jt(t):this.ut===A.Connected&&this.Dt(t)}Dt(t){if(this.dt){this.ut=A.Disconnected,this.dt=!1,this.Pt&&(this.Pt.X(null!=t?t:new Error("Connection closed.")),this.Pt=void 0),g.isBrowser&&window.document.removeEventListener("freeze",this.G);try{this.rt.forEach((e=>e.apply(this,[t])))}catch(s){this.u.log(e.Error,`An onclose callback called with error '${t}' threw error '${s}'.`)}}}async Jt(t){const s=Date.now();let i=0,n=void 0!==t?t:new Error("Attempting to reconnect due to a unknown error."),r=this.zt(i++,0,n);if(null===r)return this.u.log(e.Debug,"Connection not reconnecting because the IRetryPolicy returned null on the first reconnect attempt."),void this.Dt(t);if(this.ut=A.Reconnecting,t?this.u.log(e.Information,`Connection reconnecting because of error '${t}'.`):this.u.log(e.Information,"Connection reconnecting."),0!==this.ot.length){try{this.ot.forEach((e=>e.apply(this,[t])))}catch(s){this.u.log(e.Error,`An onreconnecting callback called with error '${t}' threw error '${s}'.`)}if(this.ut!==A.Reconnecting)return void this.u.log(e.Debug,"Connection left the reconnecting state in onreconnecting callback. Done reconnecting.")}for(;null!==r;){if(this.u.log(e.Information,`Reconnect attempt number ${i} will start in ${r} ms.`),await new Promise((t=>{this.Ht=setTimeout(t,r)})),this.Ht=void 0,this.ut!==A.Reconnecting)return void this.u.log(e.Debug,"Connection left the reconnecting state during reconnect delay. Done reconnecting.");try{if(await this.yt(),this.ut=A.Connected,this.u.log(e.Information,"HubConnection reconnected successfully."),0!==this.ht.length)try{this.ht.forEach((t=>t.apply(this,[this.connection.connectionId])))}catch(t){this.u.log(e.Error,`An onreconnected callback called with connectionId '${this.connection.connectionId}; threw error '${t}'.`)}return}catch(t){if(this.u.log(e.Information,`Reconnect attempt failed because of error '${t}'.`),this.ut!==A.Reconnecting)return this.u.log(e.Debug,`Connection moved to the '${this.ut}' from the reconnecting state during reconnect attempt. Done reconnecting.`),void(this.ut===A.Disconnecting&&this.Dt());n=t instanceof Error?t:new Error(t.toString()),r=this.zt(i++,Date.now()-s,n)}}this.u.log(e.Information,`Reconnect retries have been exhausted after ${Date.now()-s} ms and ${i} failed attempts. Connection disconnecting.`),this.Dt()}zt(t,s,i){try{return this.Z.nextRetryDelayInMilliseconds({elapsedMilliseconds:s,previousRetryCount:t,retryReason:i})}catch(i){return this.u.log(e.Error,`IRetryPolicy.nextRetryDelayInMilliseconds(${t}, ${s}) threw error '${i}'.`),null}}Xt(t){const s=this.it;this.it={},Object.keys(s).forEach((i=>{const n=s[i];try{n(null,t)}catch(s){this.u.log(e.Error,`Stream 'error' callback called with '${t}' threw error: ${P(s)}`)}}))}Tt(){this.Ft&&(clearTimeout(this.Ft),this.Ft=void 0)}Ct(){this.Ot&&clearTimeout(this.Ot)}Mt(t,e,s,i){if(s)return 0!==i.length?{arguments:e,streamIds:i,target:t,type:x.Invocation}:{arguments:e,target:t,type:x.Invocation};{const s=this.ct;return this.ct++,0!==i.length?{arguments:e,invocationId:s.toString(),streamIds:i,target:t,type:x.Invocation}:{arguments:e,invocationId:s.toString(),target:t,type:x.Invocation}}}qt(t,e){if(0!==t.length){e||(e=Promise.resolve());for(const s in t)t[s].subscribe({complete:()=>{e=e.then((()=>this.xt(this.Bt(s))))},error:t=>{let i;i=t instanceof Error?t.message:t&&t.toString?t.toString():"Unknown error",e=e.then((()=>this.xt(this.Bt(s,i))))},next:t=>{e=e.then((()=>this.xt(this.Vt(s,t))))}})}}Ut(t){const e=[],s=[];for(let i=0;i0)&&(e=!1,this.Zt=await this.Yt()),this.te(t);const s=await this.Qt.send(t);return e&&401===s.statusCode&&this.Yt?(this.Zt=await this.Yt(),this.te(t),await this.Qt.send(t)):s}te(t){t.headers||(t.headers={}),this.Zt?t.headers[W.Authorization]=`Bearer ${this.Zt}`:this.Yt&&t.headers[W.Authorization]&&delete t.headers[W.Authorization]}getCookieString(t){return this.Qt.getCookieString(t)}}var F,B;!function(t){t[t.None=0]="None",t[t.WebSockets=1]="WebSockets",t[t.ServerSentEvents=2]="ServerSentEvents",t[t.LongPolling=4]="LongPolling"}(F||(F={})),function(t){t[t.Text=1]="Text",t[t.Binary=2]="Binary"}(B||(B={}));class X{constructor(){this.ee=!1,this.onabort=null}abort(){this.ee||(this.ee=!0,this.onabort&&this.onabort())}get signal(){return this}get aborted(){return this.ee}}class J{get pollAborted(){return this.se.aborted}constructor(t,e,s){this.$=t,this.u=e,this.se=new X,this.ie=s,this.ne=!1,this.onreceive=null,this.onclose=null}async connect(t,s){if(w.isRequired(t,"url"),w.isRequired(s,"transferFormat"),w.isIn(s,B,"transferFormat"),this.re=t,this.u.log(e.Trace,"(LongPolling transport) Connecting."),s===B.Binary&&"undefined"!=typeof XMLHttpRequest&&"string"!=typeof(new XMLHttpRequest).responseType)throw new Error("Binary protocols over XmlHttpRequest not implementing advanced features are not supported.");const[n,r]=$(),o={[n]:r,...this.ie.headers},h={abortSignal:this.se.signal,headers:o,timeout:1e5,withCredentials:this.ie.withCredentials};s===B.Binary&&(h.responseType="arraybuffer");const c=`${t}&_=${Date.now()}`;this.u.log(e.Trace,`(LongPolling transport) polling: ${c}.`);const a=await this.$.get(c,h);200!==a.statusCode?(this.u.log(e.Error,`(LongPolling transport) Unexpected response code: ${a.statusCode}.`),this.oe=new i(a.statusText||"",a.statusCode),this.ne=!1):this.ne=!0,this.he=this.ce(this.re,h)}async ce(t,s){try{for(;this.ne;)try{const n=`${t}&_=${Date.now()}`;this.u.log(e.Trace,`(LongPolling transport) polling: ${n}.`);const r=await this.$.get(n,s);204===r.statusCode?(this.u.log(e.Information,"(LongPolling transport) Poll terminated by server."),this.ne=!1):200!==r.statusCode?(this.u.log(e.Error,`(LongPolling transport) Unexpected response code: ${r.statusCode}.`),this.oe=new i(r.statusText||"",r.statusCode),this.ne=!1):r.content?(this.u.log(e.Trace,`(LongPolling transport) data received. ${m(r.content,this.ie.logMessageContent)}.`),this.onreceive&&this.onreceive(r.content)):this.u.log(e.Trace,"(LongPolling transport) Poll timed out, reissuing.")}catch(t){this.ne?t instanceof n?this.u.log(e.Trace,"(LongPolling transport) Poll timed out, reissuing."):(this.oe=t,this.ne=!1):this.u.log(e.Trace,`(LongPolling transport) Poll errored after shutdown: ${t.message}`)}}finally{this.u.log(e.Trace,"(LongPolling transport) Polling complete."),this.pollAborted||this.ae()}}async send(t){return this.ne?b(this.u,"LongPolling",this.$,this.re,t,this.ie):Promise.reject(new Error("Cannot send until the transport is connected"))}async stop(){this.u.log(e.Trace,"(LongPolling transport) Stopping polling."),this.ne=!1,this.se.abort();try{await this.he,this.u.log(e.Trace,`(LongPolling transport) sending DELETE request to ${this.re}.`);const t={},[s,n]=$();t[s]=n;const r={headers:{...t,...this.ie.headers},timeout:this.ie.timeout,withCredentials:this.ie.withCredentials};let o;try{await this.$.delete(this.re,r)}catch(t){o=t}o?o instanceof i&&(404===o.statusCode?this.u.log(e.Trace,"(LongPolling transport) A 404 response was returned from sending a DELETE request."):this.u.log(e.Trace,`(LongPolling transport) Error sending a DELETE request: ${o}`)):this.u.log(e.Trace,"(LongPolling transport) DELETE request accepted.")}finally{this.u.log(e.Trace,"(LongPolling transport) Stop finished."),this.ae()}}ae(){if(this.onclose){let t="(LongPolling transport) Firing onclose event.";this.oe&&(t+=" Error: "+this.oe),this.u.log(e.Trace,t),this.onclose(this.oe)}}}class z{constructor(t,e,s,i){this.$=t,this.Zt=e,this.u=s,this.ie=i,this.onreceive=null,this.onclose=null}async connect(t,s){return w.isRequired(t,"url"),w.isRequired(s,"transferFormat"),w.isIn(s,B,"transferFormat"),this.u.log(e.Trace,"(SSE transport) Connecting."),this.re=t,this.Zt&&(t+=(t.indexOf("?")<0?"?":"&")+`access_token=${encodeURIComponent(this.Zt)}`),new Promise(((i,n)=>{let r,o=!1;if(s===B.Text){if(g.isBrowser||g.isWebWorker)r=new this.ie.EventSource(t,{withCredentials:this.ie.withCredentials});else{const e=this.$.getCookieString(t),s={};s.Cookie=e;const[i,n]=$();s[i]=n,r=new this.ie.EventSource(t,{withCredentials:this.ie.withCredentials,headers:{...s,...this.ie.headers}})}try{r.onmessage=t=>{if(this.onreceive)try{this.u.log(e.Trace,`(SSE transport) data received. ${m(t.data,this.ie.logMessageContent)}.`),this.onreceive(t.data)}catch(t){return void this.le(t)}},r.onerror=t=>{o?this.le():n(new Error("EventSource failed to connect. The connection could not be found on the server, either the connection ID is not present on the server, or a proxy is refusing/buffering the connection. If you have multiple servers check that sticky sessions are enabled."))},r.onopen=()=>{this.u.log(e.Information,`SSE connected to ${this.re}`),this.ue=r,o=!0,i()}}catch(t){return void n(t)}}else n(new Error("The Server-Sent Events transport only supports the 'Text' transfer format"))}))}async send(t){return this.ue?b(this.u,"SSE",this.$,this.re,t,this.ie):Promise.reject(new Error("Cannot send until the transport is connected"))}stop(){return this.le(),Promise.resolve()}le(t){this.ue&&(this.ue.close(),this.ue=void 0,this.onclose&&this.onclose(t))}}class V{constructor(t,e,s,i,n,r){this.u=s,this.Yt=e,this.de=i,this.fe=n,this.$=t,this.onreceive=null,this.onclose=null,this.pe=r}async connect(t,s){let i;return w.isRequired(t,"url"),w.isRequired(s,"transferFormat"),w.isIn(s,B,"transferFormat"),this.u.log(e.Trace,"(WebSockets transport) Connecting."),this.Yt&&(i=await this.Yt()),new Promise(((n,r)=>{let o;t=t.replace(/^http/,"ws");const h=this.$.getCookieString(t);let c=!1;if(g.isNode||g.isReactNative){const e={},[s,n]=$();e[s]=n,i&&(e[W.Authorization]=`Bearer ${i}`),h&&(e[W.Cookie]=h),o=new this.fe(t,void 0,{headers:{...e,...this.pe}})}else i&&(t+=(t.indexOf("?")<0?"?":"&")+`access_token=${encodeURIComponent(i)}`);o||(o=new this.fe(t)),s===B.Binary&&(o.binaryType="arraybuffer"),o.onopen=s=>{this.u.log(e.Information,`WebSocket connected to ${t}.`),this.we=o,c=!0,n()},o.onerror=t=>{let s=null;s="undefined"!=typeof ErrorEvent&&t instanceof ErrorEvent?t.error:"There was an error with the transport",this.u.log(e.Information,`(WebSockets transport) ${s}.`)},o.onmessage=t=>{if(this.u.log(e.Trace,`(WebSockets transport) data received. ${m(t.data,this.de)}.`),this.onreceive)try{this.onreceive(t.data)}catch(t){return void this.le(t)}},o.onclose=t=>{if(c)this.le(t);else{let e=null;e="undefined"!=typeof ErrorEvent&&t instanceof ErrorEvent?t.error:"WebSocket failed to connect. The connection could not be found on the server, either the endpoint may not be a SignalR endpoint, the connection ID is not present on the server, or there is a proxy blocking WebSockets. If you have multiple servers check that sticky sessions are enabled.",r(new Error(e))}}}))}send(t){return this.we&&this.we.readyState===this.fe.OPEN?(this.u.log(e.Trace,`(WebSockets transport) sending data. ${m(t,this.de)}.`),this.we.send(t),Promise.resolve()):Promise.reject("WebSocket is not in the OPEN state")}stop(){return this.we&&this.le(void 0),Promise.resolve()}le(t){this.we&&(this.we.onclose=()=>{},this.we.onmessage=()=>{},this.we.onerror=()=>{},this.we.close(),this.we=void 0),this.u.log(e.Trace,"(WebSockets transport) socket closed."),this.onclose&&(!this.ge(t)||!1!==t.wasClean&&1e3===t.code?t instanceof Error?this.onclose(t):this.onclose():this.onclose(new Error(`WebSocket closed with status code: ${t.code} (${t.reason||"no reason given"}).`)))}ge(t){return t&&"boolean"==typeof t.wasClean&&"number"==typeof t.code}}class K{constructor(t,s={}){var i;if(this.me=()=>{},this.features={},this.ye=1,w.isRequired(t,"url"),this.u=void 0===(i=s.logger)?new E(e.Information):null===i?f.instance:void 0!==i.log?i:new E(i),this.baseUrl=this.be(t),(s=s||{}).logMessageContent=void 0!==s.logMessageContent&&s.logMessageContent,"boolean"!=typeof s.withCredentials&&void 0!==s.withCredentials)throw new Error("withCredentials option was not a 'boolean' or 'undefined' value");s.withCredentials=void 0===s.withCredentials||s.withCredentials,s.timeout=void 0===s.timeout?1e5:s.timeout;let n=null,r=null;if(g.isNode){const t=require;n=t("ws"),r=t("eventsource")}g.isNode||"undefined"==typeof WebSocket||s.WebSocket?g.isNode&&!s.WebSocket&&n&&(s.WebSocket=n):s.WebSocket=WebSocket,g.isNode||"undefined"==typeof EventSource||s.EventSource?g.isNode&&!s.EventSource&&void 0!==r&&(s.EventSource=r):s.EventSource=EventSource,this.$=new O(s.httpClient||new H(this.u),s.accessTokenFactory),this.ut="Disconnected",this.dt=!1,this.ie=s,this.onreceive=null,this.onclose=null}async start(t){if(t=t||B.Binary,w.isIn(t,B,"transferFormat"),this.u.log(e.Debug,`Starting connection with transfer format '${B[t]}'.`),"Disconnected"!==this.ut)return Promise.reject(new Error("Cannot start an HttpConnection that is not in the 'Disconnected' state."));if(this.ut="Connecting",this.ve=this.yt(t),await this.ve,"Disconnecting"===this.ut){const t="Failed to start the HttpConnection before stop() was called.";return this.u.log(e.Error,t),await this.It,Promise.reject(new r(t))}if("Connected"!==this.ut){const t="HttpConnection.startInternal completed gracefully but didn't enter the connection into the connected state!";return this.u.log(e.Error,t),Promise.reject(new r(t))}this.dt=!0}send(t){return"Connected"!==this.ut?Promise.reject(new Error("Cannot send data if the connection is not in the 'Connected' State.")):(this.Ee||(this.Ee=new G(this.transport)),this.Ee.send(t))}async stop(t){return"Disconnected"===this.ut?(this.u.log(e.Debug,`Call to HttpConnection.stop(${t}) ignored because the connection is already in the disconnected state.`),Promise.resolve()):"Disconnecting"===this.ut?(this.u.log(e.Debug,`Call to HttpConnection.stop(${t}) ignored because the connection is already in the disconnecting state.`),this.It):(this.ut="Disconnecting",this.It=new Promise((t=>{this.me=t})),await this._t(t),void await this.It)}async _t(t){this.$e=t;try{await this.ve}catch(t){}if(this.transport){try{await this.transport.stop()}catch(t){this.u.log(e.Error,`HttpConnection.transport.stop() threw error '${t}'.`),this.Ce()}this.transport=void 0}else this.u.log(e.Debug,"HttpConnection.transport is undefined in HttpConnection.stop() because start() failed.")}async yt(t){let s=this.baseUrl;this.Yt=this.ie.accessTokenFactory,this.$.Yt=this.Yt;try{if(this.ie.skipNegotiation){if(this.ie.transport!==F.WebSockets)throw new Error("Negotiation can only be skipped when using the WebSocket transport directly.");this.transport=this.Se(F.WebSockets),await this.ke(s,t)}else{let e=null,i=0;do{if(e=await this.Pe(s),"Disconnecting"===this.ut||"Disconnected"===this.ut)throw new r("The connection was stopped during negotiation.");if(e.error)throw new Error(e.error);if(e.ProtocolVersion)throw new Error("Detected a connection attempt to an ASP.NET SignalR Server. This client only supports connecting to an ASP.NET Core SignalR Server. See https://aka.ms/signalr-core-differences for details.");if(e.url&&(s=e.url),e.accessToken){const t=e.accessToken;this.Yt=()=>t,this.$.Zt=t,this.$.Yt=void 0}i++}while(e.url&&i<100);if(100===i&&e.url)throw new Error("Negotiate redirection limit exceeded.");await this.Te(s,this.ie.transport,e,t)}this.transport instanceof J&&(this.features.inherentKeepAlive=!0),"Connecting"===this.ut&&(this.u.log(e.Debug,"The HttpConnection connected successfully."),this.ut="Connected")}catch(t){return this.u.log(e.Error,"Failed to start the connection: "+t),this.ut="Disconnected",this.transport=void 0,this.me(),Promise.reject(t)}}async Pe(t){const s={},[n,r]=$();s[n]=r;const o=this.Ie(t);this.u.log(e.Debug,`Sending negotiation request: ${o}.`);try{const t=await this.$.post(o,{content:"",headers:{...s,...this.ie.headers},timeout:this.ie.timeout,withCredentials:this.ie.withCredentials});if(200!==t.statusCode)return Promise.reject(new Error(`Unexpected status code returned from negotiate '${t.statusCode}'`));const e=JSON.parse(t.content);return(!e.negotiateVersion||e.negotiateVersion<1)&&(e.connectionToken=e.connectionId),e.useStatefulReconnect&&!0!==this.ie._e?Promise.reject(new a("Client didn't negotiate Stateful Reconnect but the server did.")):e}catch(t){let s="Failed to complete negotiation with the server: "+t;return t instanceof i&&404===t.statusCode&&(s+=" Either this is not a SignalR endpoint or there is a proxy blocking the connection."),this.u.log(e.Error,s),Promise.reject(new a(s))}}He(t,e){return e?t+(-1===t.indexOf("?")?"?":"&")+`id=${e}`:t}async Te(t,s,i,n){let o=this.He(t,i.connectionToken);if(this.De(s))return this.u.log(e.Debug,"Connection was provided an instance of ITransport, using that directly."),this.transport=s,await this.ke(o,n),void(this.connectionId=i.connectionId);const h=[],a=i.availableTransports||[];let u=i;for(const i of a){const a=this.Re(i,s,n,!0===(null==u?void 0:u.useStatefulReconnect));if(a instanceof Error)h.push(`${i.transport} failed:`),h.push(a);else if(this.De(a)){if(this.transport=a,!u){try{u=await this.Pe(t)}catch(t){return Promise.reject(t)}o=this.He(t,u.connectionToken)}try{return await this.ke(o,n),void(this.connectionId=u.connectionId)}catch(t){if(this.u.log(e.Error,`Failed to start the transport '${i.transport}': ${t}`),u=void 0,h.push(new c(`${i.transport} failed: ${t}`,F[i.transport])),"Connecting"!==this.ut){const t="Failed to select transport before stop() was called.";return this.u.log(e.Debug,t),Promise.reject(new r(t))}}}}return h.length>0?Promise.reject(new l(`Unable to connect to the server with any of the available transports. ${h.join(" ")}`,h)):Promise.reject(new Error("None of the transports supported by the client are supported by the server."))}Se(t){switch(t){case F.WebSockets:if(!this.ie.WebSocket)throw new Error("'WebSocket' is not supported in your environment.");return new V(this.$,this.Yt,this.u,this.ie.logMessageContent,this.ie.WebSocket,this.ie.headers||{});case F.ServerSentEvents:if(!this.ie.EventSource)throw new Error("'EventSource' is not supported in your environment.");return new z(this.$,this.$.Zt,this.u,this.ie);case F.LongPolling:return new J(this.$,this.u,this.ie);default:throw new Error(`Unknown transport: ${t}.`)}}ke(t,e){return this.transport.onreceive=this.onreceive,this.features.reconnect?this.transport.onclose=async s=>{let i=!1;if(this.features.reconnect){try{this.features.disconnected(),await this.transport.connect(t,e),await this.features.resend()}catch{i=!0}i&&this.Ce(s)}else this.Ce(s)}:this.transport.onclose=t=>this.Ce(t),this.transport.connect(t,e)}Re(t,s,i,n){const r=F[t.transport];if(null==r)return this.u.log(e.Debug,`Skipping transport '${t.transport}' because it is not supported by this client.`),new Error(`Skipping transport '${t.transport}' because it is not supported by this client.`);if(!function(t,e){return!t||0!=(e&t)}(s,r))return this.u.log(e.Debug,`Skipping transport '${F[r]}' because it was disabled by the client.`),new h(`'${F[r]}' is disabled by the client.`,r);if(!(t.transferFormats.map((t=>B[t])).indexOf(i)>=0))return this.u.log(e.Debug,`Skipping transport '${F[r]}' because it does not support the requested transfer format '${B[i]}'.`),new Error(`'${F[r]}' does not support ${B[i]}.`);if(r===F.WebSockets&&!this.ie.WebSocket||r===F.ServerSentEvents&&!this.ie.EventSource)return this.u.log(e.Debug,`Skipping transport '${F[r]}' because it is not supported in your environment.'`),new o(`'${F[r]}' is not supported in your environment.`,r);this.u.log(e.Debug,`Selecting transport '${F[r]}'.`);try{return this.features.reconnect=r===F.WebSockets?n:void 0,this.Se(r)}catch(t){return t}}De(t){return t&&"object"==typeof t&&"connect"in t}Ce(t){if(this.u.log(e.Debug,`HttpConnection.stopConnection(${t}) called while in state ${this.ut}.`),this.transport=void 0,t=this.$e||t,this.$e=void 0,"Disconnected"!==this.ut){if("Connecting"===this.ut)throw this.u.log(e.Warning,`Call to HttpConnection.stopConnection(${t}) was ignored because the connection is still in the connecting state.`),new Error(`HttpConnection.stopConnection(${t}) was called while the connection is still in the connecting state.`);if("Disconnecting"===this.ut&&this.me(),t?this.u.log(e.Error,`Connection disconnected with error '${t}'.`):this.u.log(e.Information,"Connection disconnected."),this.Ee&&(this.Ee.stop().catch((t=>{this.u.log(e.Error,`TransportSendQueue.stop() threw error '${t}'.`)})),this.Ee=void 0),this.connectionId=void 0,this.ut="Disconnected",this.dt){this.dt=!1;try{this.onclose&&this.onclose(t)}catch(s){this.u.log(e.Error,`HttpConnection.onclose(${t}) threw error '${s}'.`)}}}else this.u.log(e.Debug,`Call to HttpConnection.stopConnection(${t}) was ignored because the connection is already in the disconnected state.`)}be(t){if(0===t.lastIndexOf("https://",0)||0===t.lastIndexOf("http://",0))return t;if(!g.isBrowser)throw new Error(`Cannot resolve '${t}'.`);const s=window.document.createElement("a");return s.href=t,this.u.log(e.Information,`Normalizing '${t}' to '${s.href}'.`),s.href}Ie(t){const e=new URL(t);e.pathname.endsWith("/")?e.pathname+="negotiate":e.pathname+="/negotiate";const s=new URLSearchParams(e.searchParams);return s.has("negotiateVersion")||s.append("negotiateVersion",this.ye.toString()),s.has("useStatefulReconnect")?"true"===s.get("useStatefulReconnect")&&(this.ie._e=!0):!0===this.ie._e&&s.append("useStatefulReconnect","true"),e.search=s.toString(),e.toString()}}class G{constructor(t){this.xe=t,this.Ae=[],this.Ue=!0,this.Le=new Q,this.Ne=new Q,this.qe=this.Me()}send(t){return this.je(t),this.Ne||(this.Ne=new Q),this.Ne.promise}stop(){return this.Ue=!1,this.Le.resolve(),this.qe}je(t){if(this.Ae.length&&typeof this.Ae[0]!=typeof t)throw new Error(`Expected data to be of type ${typeof this.Ae} but was of type ${typeof t}`);this.Ae.push(t),this.Le.resolve()}async Me(){for(;;){if(await this.Le.promise,!this.Ue){this.Ne&&this.Ne.reject("Connection stopped.");break}this.Le=new Q;const t=this.Ne;this.Ne=void 0;const e="string"==typeof this.Ae[0]?this.Ae.join(""):G.We(this.Ae);this.Ae.length=0;try{await this.xe.send(e),t.resolve()}catch(e){t.reject(e)}}}static We(t){const e=t.map((t=>t.byteLength)).reduce(((t,e)=>t+e)),s=new Uint8Array(e);let i=0;for(const e of t)s.set(new Uint8Array(e),i),i+=e.byteLength;return s.buffer}}class Q{constructor(){this.promise=new Promise(((t,e)=>[this.j,this.Oe]=[t,e]))}resolve(){this.j()}reject(t){this.Oe(t)}}class Y{constructor(){this.name="json",this.version=2,this.transferFormat=B.Text}parseMessages(t,s){if("string"!=typeof t)throw new Error("Invalid input for JSON hub protocol. Expected a string.");if(!t)return[];null===s&&(s=f.instance);const i=D.parse(t),n=[];for(const t of i){const i=JSON.parse(t);if("number"!=typeof i.type)throw new Error("Invalid payload.");switch(i.type){case x.Invocation:this.U(i);break;case x.StreamItem:this.Fe(i);break;case x.Completion:this.Be(i);break;case x.Ping:case x.Close:break;case x.Ack:this.Xe(i);break;case x.Sequence:this.Je(i);break;default:s.log(e.Information,"Unknown message type '"+i.type+"' ignored.");continue}n.push(i)}return n}writeMessage(t){return D.write(JSON.stringify(t))}U(t){this.ze(t.target,"Invalid payload for Invocation message."),void 0!==t.invocationId&&this.ze(t.invocationId,"Invalid payload for Invocation message.")}Fe(t){if(this.ze(t.invocationId,"Invalid payload for StreamItem message."),void 0===t.item)throw new Error("Invalid payload for StreamItem message.")}Be(t){if(t.result&&t.error)throw new Error("Invalid payload for Completion message.");!t.result&&t.error&&this.ze(t.error,"Invalid payload for Completion message."),this.ze(t.invocationId,"Invalid payload for Completion message.")}Xe(t){if("number"!=typeof t.sequenceId)throw new Error("Invalid SequenceId for Ack message.")}Je(t){if("number"!=typeof t.sequenceId)throw new Error("Invalid SequenceId for Sequence message.")}ze(t,e){if("string"!=typeof t||""===t)throw new Error(e)}}const Z={trace:e.Trace,debug:e.Debug,info:e.Information,information:e.Information,warn:e.Warning,warning:e.Warning,error:e.Error,critical:e.Critical,none:e.None};class tt{configureLogging(t){if(w.isRequired(t,"logging"),void 0!==t.log)this.logger=t;else if("string"==typeof t){const e=function(t){const e=Z[t.toLowerCase()];if(void 0!==e)return e;throw new Error(`Unknown log level: ${t}`)}(t);this.logger=new E(e)}else this.logger=new E(t);return this}withUrl(t,e){return w.isRequired(t,"url"),w.isNotEmpty(t,"url"),this.url=t,this.httpConnectionOptions="object"==typeof e?{...this.httpConnectionOptions,...e}:{...this.httpConnectionOptions,transport:e},this}withHubProtocol(t){return w.isRequired(t,"protocol"),this.protocol=t,this}withAutomaticReconnect(t){if(this.reconnectPolicy)throw new Error("A reconnectPolicy has already been set.");return t?Array.isArray(t)?this.reconnectPolicy=new j(t):this.reconnectPolicy=t:this.reconnectPolicy=new j,this}withServerTimeout(t){return w.isRequired(t,"milliseconds"),this.Ve=t,this}withKeepAliveInterval(t){return w.isRequired(t,"milliseconds"),this.Ke=t,this}withStatefulReconnect(t){return void 0===this.httpConnectionOptions&&(this.httpConnectionOptions={}),this.httpConnectionOptions._e=!0,this.Y=null==t?void 0:t.bufferSize,this}build(){const t=this.httpConnectionOptions||{};if(void 0===t.logger&&(t.logger=this.logger),!this.url)throw new Error("The 'HubConnectionBuilder.withUrl' method must be called before building the connection.");const e=new K(this.url,t);return q.create(e,this.logger||f.instance,this.protocol||new Y,this.reconnectPolicy,this.Ve,this.Ke,this.Y)}}return Uint8Array.prototype.indexOf||Object.defineProperty(Uint8Array.prototype,"indexOf",{value:Array.prototype.indexOf,writable:!0}),Uint8Array.prototype.slice||Object.defineProperty(Uint8Array.prototype,"slice",{value:function(t,e){return new Uint8Array(Array.prototype.slice.call(this,t,e))},writable:!0}),Uint8Array.prototype.forEach||Object.defineProperty(Uint8Array.prototype,"forEach",{value:Array.prototype.forEach,writable:!0}),s})(),"object"==typeof exports&&"object"==typeof module?module.exports=e():"function"==typeof define&&define.amd?define([],e):"object"==typeof exports?exports.signalR=e():t.signalR=e(); +//# sourceMappingURL=signalr.min.js.map \ No newline at end of file