first commit

node_modules/engine.io-client/build/esm-debug/transports/index.d.ts

@@ -0,0 +1,6 @@
+import { Polling } from "./polling.js";
+import { WS } from "./websocket.js";
+export declare const transports: {
+    websocket: typeof WS;
+    polling: typeof Polling;
+};

node_modules/engine.io-client/build/esm-debug/transports/index.js

@@ -0,0 +1,6 @@
+import { Polling } from "./polling.js";
+import { WS } from "./websocket.js";
+export const transports = {
+    websocket: WS,
+    polling: Polling,
+};

node_modules/engine.io-client/build/esm-debug/transports/polling.d.ts

@@ -0,0 +1,138 @@
+import { Transport } from "../transport.js";
+import { RawData } from "engine.io-parser";
+import { Emitter } from "@socket.io/component-emitter";
+export declare class Polling extends Transport {
+    private readonly xd;
+    private readonly xs;
+    private polling;
+    private pollXhr;
+    /**
+     * XHR Polling constructor.
+     *
+     * @param {Object} opts
+     * @package
+     */
+    constructor(opts: any);
+    get name(): string;
+    /**
+     * Opens the socket (triggers polling). We write a PING message to determine
+     * when the transport is open.
+     *
+     * @protected
+     */
+    doOpen(): void;
+    /**
+     * Pauses polling.
+     *
+     * @param {Function} onPause - callback upon buffers are flushed and transport is paused
+     * @package
+     */
+    pause(onPause: any): void;
+    /**
+     * Starts polling cycle.
+     *
+     * @private
+     */
+    poll(): void;
+    /**
+     * Overloads onData to detect payloads.
+     *
+     * @protected
+     */
+    onData(data: any): void;
+    /**
+     * For polling, send a close packet.
+     *
+     * @protected
+     */
+    doClose(): void;
+    /**
+     * Writes a packets payload.
+     *
+     * @param {Array} packets - data packets
+     * @protected
+     */
+    write(packets: any): void;
+    /**
+     * Generates uri for connection.
+     *
+     * @private
+     */
+    uri(): string;
+    /**
+     * Creates a request.
+     *
+     * @param {String} method
+     * @private
+     */
+    request(opts?: {}): Request;
+    /**
+     * Sends data.
+     *
+     * @param {String} data to send.
+     * @param {Function} called upon flush.
+     * @private
+     */
+    private doWrite;
+    /**
+     * Starts a poll cycle.
+     *
+     * @private
+     */
+    private doPoll;
+}
+interface RequestReservedEvents {
+    success: () => void;
+    data: (data: RawData) => void;
+    error: (err: number | Error, context: unknown) => void;
+}
+export declare class Request extends Emitter<{}, {}, RequestReservedEvents> {
+    private readonly opts;
+    private readonly method;
+    private readonly uri;
+    private readonly async;
+    private readonly data;
+    private xhr;
+    private setTimeoutFn;
+    private index;
+    static requestsCount: number;
+    static requests: {};
+    /**
+     * Request constructor
+     *
+     * @param {Object} options
+     * @package
+     */
+    constructor(uri: any, opts: any);
+    /**
+     * Creates the XHR object and sends the request.
+     *
+     * @private
+     */
+    private create;
+    /**
+     * Called upon error.
+     *
+     * @private
+     */
+    private onError;
+    /**
+     * Cleans up house.
+     *
+     * @private
+     */
+    private cleanup;
+    /**
+     * Called upon load.
+     *
+     * @private
+     */
+    private onLoad;
+    /**
+     * Aborts the request.
+     *
+     * @package
+     */
+    abort(): void;
+}
+export {};

node_modules/engine.io-client/build/esm-debug/transports/polling.js

@@ -0,0 +1,415 @@
+import { Transport } from "../transport.js";
+import debugModule from "debug"; // debug()
+import { yeast } from "../contrib/yeast.js";
+import { encode } from "../contrib/parseqs.js";
+import { encodePayload, decodePayload } from "engine.io-parser";
+import { XHR as XMLHttpRequest } from "./xmlhttprequest.js";
+import { Emitter } from "@socket.io/component-emitter";
+import { installTimerFunctions, pick } from "../util.js";
+import { globalThisShim as globalThis } from "../globalThis.js";
+const debug = debugModule("engine.io-client:polling"); // debug()
+function empty() { }
+const hasXHR2 = (function () {
+    const xhr = new XMLHttpRequest({
+        xdomain: false,
+    });
+    return null != xhr.responseType;
+})();
+export class Polling extends Transport {
+    /**
+     * XHR Polling constructor.
+     *
+     * @param {Object} opts
+     * @package
+     */
+    constructor(opts) {
+        super(opts);
+        this.polling = false;
+        if (typeof location !== "undefined") {
+            const isSSL = "https:" === location.protocol;
+            let port = location.port;
+            // some user agents have empty `location.port`
+            if (!port) {
+                port = isSSL ? "443" : "80";
+            }
+            this.xd =
+                (typeof location !== "undefined" &&
+                    opts.hostname !== location.hostname) ||
+                    port !== opts.port;
+            this.xs = opts.secure !== isSSL;
+        }
+        /**
+         * XHR supports binary
+         */
+        const forceBase64 = opts && opts.forceBase64;
+        this.supportsBinary = hasXHR2 && !forceBase64;
+    }
+    get name() {
+        return "polling";
+    }
+    /**
+     * Opens the socket (triggers polling). We write a PING message to determine
+     * when the transport is open.
+     *
+     * @protected
+     */
+    doOpen() {
+        this.poll();
+    }
+    /**
+     * Pauses polling.
+     *
+     * @param {Function} onPause - callback upon buffers are flushed and transport is paused
+     * @package
+     */
+    pause(onPause) {
+        this.readyState = "pausing";
+        const pause = () => {
+            debug("paused");
+            this.readyState = "paused";
+            onPause();
+        };
+        if (this.polling || !this.writable) {
+            let total = 0;
+            if (this.polling) {
+                debug("we are currently polling - waiting to pause");
+                total++;
+                this.once("pollComplete", function () {
+                    debug("pre-pause polling complete");
+                    --total || pause();
+                });
+            }
+            if (!this.writable) {
+                debug("we are currently writing - waiting to pause");
+                total++;
+                this.once("drain", function () {
+                    debug("pre-pause writing complete");
+                    --total || pause();
+                });
+            }
+        }
+        else {
+            pause();
+        }
+    }
+    /**
+     * Starts polling cycle.
+     *
+     * @private
+     */
+    poll() {
+        debug("polling");
+        this.polling = true;
+        this.doPoll();
+        this.emitReserved("poll");
+    }
+    /**
+     * Overloads onData to detect payloads.
+     *
+     * @protected
+     */
+    onData(data) {
+        debug("polling got data %s", data);
+        const callback = (packet) => {
+            // if its the first message we consider the transport open
+            if ("opening" === this.readyState && packet.type === "open") {
+                this.onOpen();
+            }
+            // if its a close packet, we close the ongoing requests
+            if ("close" === packet.type) {
+                this.onClose({ description: "transport closed by the server" });
+                return false;
+            }
+            // otherwise bypass onData and handle the message
+            this.onPacket(packet);
+        };
+        // decode payload
+        decodePayload(data, this.socket.binaryType).forEach(callback);
+        // if an event did not trigger closing
+        if ("closed" !== this.readyState) {
+            // if we got data we're not polling
+            this.polling = false;
+            this.emitReserved("pollComplete");
+            if ("open" === this.readyState) {
+                this.poll();
+            }
+            else {
+                debug('ignoring poll - transport state "%s"', this.readyState);
+            }
+        }
+    }
+    /**
+     * For polling, send a close packet.
+     *
+     * @protected
+     */
+    doClose() {
+        const close = () => {
+            debug("writing close packet");
+            this.write([{ type: "close" }]);
+        };
+        if ("open" === this.readyState) {
+            debug("transport open - closing");
+            close();
+        }
+        else {
+            // in case we're trying to close while
+            // handshaking is in progress (GH-164)
+            debug("transport not open - deferring close");
+            this.once("open", close);
+        }
+    }
+    /**
+     * Writes a packets payload.
+     *
+     * @param {Array} packets - data packets
+     * @protected
+     */
+    write(packets) {
+        this.writable = false;
+        encodePayload(packets, (data) => {
+            this.doWrite(data, () => {
+                this.writable = true;
+                this.emitReserved("drain");
+            });
+        });
+    }
+    /**
+     * Generates uri for connection.
+     *
+     * @private
+     */
+    uri() {
+        let query = this.query || {};
+        const schema = this.opts.secure ? "https" : "http";
+        let port = "";
+        // cache busting is forced
+        if (false !== this.opts.timestampRequests) {
+            query[this.opts.timestampParam] = yeast();
+        }
+        if (!this.supportsBinary && !query.sid) {
+            query.b64 = 1;
+        }
+        // avoid port if default for schema
+        if (this.opts.port &&
+            (("https" === schema && Number(this.opts.port) !== 443) ||
+                ("http" === schema && Number(this.opts.port) !== 80))) {
+            port = ":" + this.opts.port;
+        }
+        const encodedQuery = encode(query);
+        const ipv6 = this.opts.hostname.indexOf(":") !== -1;
+        return (schema +
+            "://" +
+            (ipv6 ? "[" + this.opts.hostname + "]" : this.opts.hostname) +
+            port +
+            this.opts.path +
+            (encodedQuery.length ? "?" + encodedQuery : ""));
+    }
+    /**
+     * Creates a request.
+     *
+     * @param {String} method
+     * @private
+     */
+    request(opts = {}) {
+        Object.assign(opts, { xd: this.xd, xs: this.xs }, this.opts);
+        return new Request(this.uri(), opts);
+    }
+    /**
+     * Sends data.
+     *
+     * @param {String} data to send.
+     * @param {Function} called upon flush.
+     * @private
+     */
+    doWrite(data, fn) {
+        const req = this.request({
+            method: "POST",
+            data: data,
+        });
+        req.on("success", fn);
+        req.on("error", (xhrStatus, context) => {
+            this.onError("xhr post error", xhrStatus, context);
+        });
+    }
+    /**
+     * Starts a poll cycle.
+     *
+     * @private
+     */
+    doPoll() {
+        debug("xhr poll");
+        const req = this.request();
+        req.on("data", this.onData.bind(this));
+        req.on("error", (xhrStatus, context) => {
+            this.onError("xhr poll error", xhrStatus, context);
+        });
+        this.pollXhr = req;
+    }
+}
+export class Request extends Emitter {
+    /**
+     * Request constructor
+     *
+     * @param {Object} options
+     * @package
+     */
+    constructor(uri, opts) {
+        super();
+        installTimerFunctions(this, opts);
+        this.opts = opts;
+        this.method = opts.method || "GET";
+        this.uri = uri;
+        this.async = false !== opts.async;
+        this.data = undefined !== opts.data ? opts.data : null;
+        this.create();
+    }
+    /**
+     * Creates the XHR object and sends the request.
+     *
+     * @private
+     */
+    create() {
+        const opts = pick(this.opts, "agent", "pfx", "key", "passphrase", "cert", "ca", "ciphers", "rejectUnauthorized", "autoUnref");
+        opts.xdomain = !!this.opts.xd;
+        opts.xscheme = !!this.opts.xs;
+        const xhr = (this.xhr = new XMLHttpRequest(opts));
+        try {
+            debug("xhr open %s: %s", this.method, this.uri);
+            xhr.open(this.method, this.uri, this.async);
+            try {
+                if (this.opts.extraHeaders) {
+                    xhr.setDisableHeaderCheck && xhr.setDisableHeaderCheck(true);
+                    for (let i in this.opts.extraHeaders) {
+                        if (this.opts.extraHeaders.hasOwnProperty(i)) {
+                            xhr.setRequestHeader(i, this.opts.extraHeaders[i]);
+                        }
+                    }
+                }
+            }
+            catch (e) { }
+            if ("POST" === this.method) {
+                try {
+                    xhr.setRequestHeader("Content-type", "text/plain;charset=UTF-8");
+                }
+                catch (e) { }
+            }
+            try {
+                xhr.setRequestHeader("Accept", "*/*");
+            }
+            catch (e) { }
+            // ie6 check
+            if ("withCredentials" in xhr) {
+                xhr.withCredentials = this.opts.withCredentials;
+            }
+            if (this.opts.requestTimeout) {
+                xhr.timeout = this.opts.requestTimeout;
+            }
+            xhr.onreadystatechange = () => {
+                if (4 !== xhr.readyState)
+                    return;
+                if (200 === xhr.status || 1223 === xhr.status) {
+                    this.onLoad();
+                }
+                else {
+                    // make sure the `error` event handler that's user-set
+                    // does not throw in the same tick and gets caught here
+                    this.setTimeoutFn(() => {
+                        this.onError(typeof xhr.status === "number" ? xhr.status : 0);
+                    }, 0);
+                }
+            };
+            debug("xhr data %s", this.data);
+            xhr.send(this.data);
+        }
+        catch (e) {
+            // Need to defer since .create() is called directly from the constructor
+            // and thus the 'error' event can only be only bound *after* this exception
+            // occurs.  Therefore, also, we cannot throw here at all.
+            this.setTimeoutFn(() => {
+                this.onError(e);
+            }, 0);
+            return;
+        }
+        if (typeof document !== "undefined") {
+            this.index = Request.requestsCount++;
+            Request.requests[this.index] = this;
+        }
+    }
+    /**
+     * Called upon error.
+     *
+     * @private
+     */
+    onError(err) {
+        this.emitReserved("error", err, this.xhr);
+        this.cleanup(true);
+    }
+    /**
+     * Cleans up house.
+     *
+     * @private
+     */
+    cleanup(fromError) {
+        if ("undefined" === typeof this.xhr || null === this.xhr) {
+            return;
+        }
+        this.xhr.onreadystatechange = empty;
+        if (fromError) {
+            try {
+                this.xhr.abort();
+            }
+            catch (e) { }
+        }
+        if (typeof document !== "undefined") {
+            delete Request.requests[this.index];
+        }
+        this.xhr = null;
+    }
+    /**
+     * Called upon load.
+     *
+     * @private
+     */
+    onLoad() {
+        const data = this.xhr.responseText;
+        if (data !== null) {
+            this.emitReserved("data", data);
+            this.emitReserved("success");
+            this.cleanup();
+        }
+    }
+    /**
+     * Aborts the request.
+     *
+     * @package
+     */
+    abort() {
+        this.cleanup();
+    }
+}
+Request.requestsCount = 0;
+Request.requests = {};
+/**
+ * Aborts pending requests when unloading the window. This is needed to prevent
+ * memory leaks (e.g. when using IE) and to ensure that no spurious error is
+ * emitted.
+ */
+if (typeof document !== "undefined") {
+    // @ts-ignore
+    if (typeof attachEvent === "function") {
+        // @ts-ignore
+        attachEvent("onunload", unloadHandler);
+    }
+    else if (typeof addEventListener === "function") {
+        const terminationEvent = "onpagehide" in globalThis ? "pagehide" : "unload";
+        addEventListener(terminationEvent, unloadHandler, false);
+    }
+}
+function unloadHandler() {
+    for (let i in Request.requests) {
+        if (Request.requests.hasOwnProperty(i)) {
+            Request.requests[i].abort();
+        }
+    }
+}

node_modules/engine.io-client/build/esm-debug/transports/websocket-constructor.browser.d.ts

@@ -0,0 +1,4 @@
+export declare const nextTick: (cb: any, setTimeoutFn: any) => any;
+export declare const WebSocket: any;
+export declare const usingBrowserWebSocket = true;
+export declare const defaultBinaryType = "arraybuffer";

node_modules/engine.io-client/build/esm-debug/transports/websocket-constructor.browser.js

@@ -0,0 +1,13 @@
+import { globalThisShim as globalThis } from "../globalThis.js";
+export const nextTick = (() => {
+    const isPromiseAvailable = typeof Promise === "function" && typeof Promise.resolve === "function";
+    if (isPromiseAvailable) {
+        return (cb) => Promise.resolve().then(cb);
+    }
+    else {
+        return (cb, setTimeoutFn) => setTimeoutFn(cb, 0);
+    }
+})();
+export const WebSocket = globalThis.WebSocket || globalThis.MozWebSocket;
+export const usingBrowserWebSocket = true;
+export const defaultBinaryType = "arraybuffer";

node_modules/engine.io-client/build/esm-debug/transports/websocket-constructor.d.ts

@@ -0,0 +1,4 @@
+export declare const WebSocket: any;
+export declare const usingBrowserWebSocket = false;
+export declare const defaultBinaryType = "nodebuffer";
+export declare const nextTick: (callback: Function, ...args: any[]) => void;

node_modules/engine.io-client/build/esm-debug/transports/websocket-constructor.js

@@ -0,0 +1,5 @@
+import ws from "ws";
+export const WebSocket = ws;
+export const usingBrowserWebSocket = false;
+export const defaultBinaryType = "nodebuffer";
+export const nextTick = process.nextTick;

node_modules/engine.io-client/build/esm-debug/transports/websocket.d.ts

@@ -0,0 +1,34 @@
+import { Transport } from "../transport.js";
+export declare class WS extends Transport {
+    private ws;
+    /**
+     * WebSocket transport constructor.
+     *
+     * @param {Object} opts - connection options
+     * @protected
+     */
+    constructor(opts: any);
+    get name(): string;
+    doOpen(): this;
+    /**
+     * Adds event listeners to the socket
+     *
+     * @private
+     */
+    private addEventListeners;
+    write(packets: any): void;
+    doClose(): void;
+    /**
+     * Generates uri for connection.
+     *
+     * @private
+     */
+    uri(): string;
+    /**
+     * Feature detection for WebSocket.
+     *
+     * @return {Boolean} whether this transport is available.
+     * @private
+     */
+    private check;
+}

node_modules/engine.io-client/build/esm-debug/transports/websocket.js

@@ -0,0 +1,170 @@
+import { Transport } from "../transport.js";
+import { encode } from "../contrib/parseqs.js";
+import { yeast } from "../contrib/yeast.js";
+import { pick } from "../util.js";
+import { defaultBinaryType, nextTick, usingBrowserWebSocket, WebSocket, } from "./websocket-constructor.js";
+import debugModule from "debug"; // debug()
+import { encodePacket } from "engine.io-parser";
+const debug = debugModule("engine.io-client:websocket"); // debug()
+// detect ReactNative environment
+const isReactNative = typeof navigator !== "undefined" &&
+    typeof navigator.product === "string" &&
+    navigator.product.toLowerCase() === "reactnative";
+export class WS extends Transport {
+    /**
+     * WebSocket transport constructor.
+     *
+     * @param {Object} opts - connection options
+     * @protected
+     */
+    constructor(opts) {
+        super(opts);
+        this.supportsBinary = !opts.forceBase64;
+    }
+    get name() {
+        return "websocket";
+    }
+    doOpen() {
+        if (!this.check()) {
+            // let probe timeout
+            return;
+        }
+        const uri = this.uri();
+        const protocols = this.opts.protocols;
+        // React Native only supports the 'headers' option, and will print a warning if anything else is passed
+        const opts = isReactNative
+            ? {}
+            : pick(this.opts, "agent", "perMessageDeflate", "pfx", "key", "passphrase", "cert", "ca", "ciphers", "rejectUnauthorized", "localAddress", "protocolVersion", "origin", "maxPayload", "family", "checkServerIdentity");
+        if (this.opts.extraHeaders) {
+            opts.headers = this.opts.extraHeaders;
+        }
+        try {
+            this.ws =
+                usingBrowserWebSocket && !isReactNative
+                    ? protocols
+                        ? new WebSocket(uri, protocols)
+                        : new WebSocket(uri)
+                    : new WebSocket(uri, protocols, opts);
+        }
+        catch (err) {
+            return this.emitReserved("error", err);
+        }
+        this.ws.binaryType = this.socket.binaryType || defaultBinaryType;
+        this.addEventListeners();
+    }
+    /**
+     * Adds event listeners to the socket
+     *
+     * @private
+     */
+    addEventListeners() {
+        this.ws.onopen = () => {
+            if (this.opts.autoUnref) {
+                this.ws._socket.unref();
+            }
+            this.onOpen();
+        };
+        this.ws.onclose = (closeEvent) => this.onClose({
+            description: "websocket connection closed",
+            context: closeEvent,
+        });
+        this.ws.onmessage = (ev) => this.onData(ev.data);
+        this.ws.onerror = (e) => this.onError("websocket error", e);
+    }
+    write(packets) {
+        this.writable = false;
+        // encodePacket efficient as it uses WS framing
+        // no need for encodePayload
+        for (let i = 0; i < packets.length; i++) {
+            const packet = packets[i];
+            const lastPacket = i === packets.length - 1;
+            encodePacket(packet, this.supportsBinary, (data) => {
+                // always create a new object (GH-437)
+                const opts = {};
+                if (!usingBrowserWebSocket) {
+                    if (packet.options) {
+                        opts.compress = packet.options.compress;
+                    }
+                    if (this.opts.perMessageDeflate) {
+                        const len = 
+                        // @ts-ignore
+                        "string" === typeof data ? Buffer.byteLength(data) : data.length;
+                        if (len < this.opts.perMessageDeflate.threshold) {
+                            opts.compress = false;
+                        }
+                    }
+                }
+                // Sometimes the websocket has already been closed but the browser didn't
+                // have a chance of informing us about it yet, in that case send will
+                // throw an error
+                try {
+                    if (usingBrowserWebSocket) {
+                        // TypeError is thrown when passing the second argument on Safari
+                        this.ws.send(data);
+                    }
+                    else {
+                        this.ws.send(data, opts);
+                    }
+                }
+                catch (e) {
+                    debug("websocket closed before onclose event");
+                }
+                if (lastPacket) {
+                    // fake drain
+                    // defer to next tick to allow Socket to clear writeBuffer
+                    nextTick(() => {
+                        this.writable = true;
+                        this.emitReserved("drain");
+                    }, this.setTimeoutFn);
+                }
+            });
+        }
+    }
+    doClose() {
+        if (typeof this.ws !== "undefined") {
+            this.ws.close();
+            this.ws = null;
+        }
+    }
+    /**
+     * Generates uri for connection.
+     *
+     * @private
+     */
+    uri() {
+        let query = this.query || {};
+        const schema = this.opts.secure ? "wss" : "ws";
+        let port = "";
+        // avoid port if default for schema
+        if (this.opts.port &&
+            (("wss" === schema && Number(this.opts.port) !== 443) ||
+                ("ws" === schema && Number(this.opts.port) !== 80))) {
+            port = ":" + this.opts.port;
+        }
+        // append timestamp to URI
+        if (this.opts.timestampRequests) {
+            query[this.opts.timestampParam] = yeast();
+        }
+        // communicate binary support capabilities
+        if (!this.supportsBinary) {
+            query.b64 = 1;
+        }
+        const encodedQuery = encode(query);
+        const ipv6 = this.opts.hostname.indexOf(":") !== -1;
+        return (schema +
+            "://" +
+            (ipv6 ? "[" + this.opts.hostname + "]" : this.opts.hostname) +
+            port +
+            this.opts.path +
+            (encodedQuery.length ? "?" + encodedQuery : ""));
+    }
+    /**
+     * Feature detection for WebSocket.
+     *
+     * @return {Boolean} whether this transport is available.
+     * @private
+     */
+    check() {
+        return !!WebSocket;
+    }
+}

node_modules/engine.io-client/build/esm-debug/transports/xmlhttprequest.browser.d.ts

@@ -0,0 +1 @@
+export declare function XHR(opts: any): any;

node_modules/engine.io-client/build/esm-debug/transports/xmlhttprequest.browser.js

@@ -0,0 +1,19 @@
+// browser shim for xmlhttprequest module
+import { hasCORS } from "../contrib/has-cors.js";
+import { globalThisShim as globalThis } from "../globalThis.js";
+export function XHR(opts) {
+    const xdomain = opts.xdomain;
+    // XMLHttpRequest can be disabled on IE
+    try {
+        if ("undefined" !== typeof XMLHttpRequest && (!xdomain || hasCORS)) {
+            return new XMLHttpRequest();
+        }
+    }
+    catch (e) { }
+    if (!xdomain) {
+        try {
+            return new globalThis[["Active"].concat("Object").join("X")]("Microsoft.XMLHTTP");
+        }
+        catch (e) { }
+    }
+}

node_modules/engine.io-client/build/esm-debug/transports/xmlhttprequest.d.ts

@@ -0,0 +1 @@
+export declare const XHR: any;

node_modules/engine.io-client/build/esm-debug/transports/xmlhttprequest.js

@@ -0,0 +1,2 @@
+import * as XMLHttpRequestModule from "xmlhttprequest-ssl";
+export const XHR = XMLHttpRequestModule.default || XMLHttpRequestModule;