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import { n as __exportAll, r as __toESM, t as __commonJSMin } from "./chunk-CYJPkc-J.js";
//#region ../node_modules/engine.io-parser/build/esm/commons.js
var PACKET_TYPES = Object.create(null);
PACKET_TYPES["open"] = "0";
PACKET_TYPES["close"] = "1";
PACKET_TYPES["ping"] = "2";
PACKET_TYPES["pong"] = "3";
PACKET_TYPES["message"] = "4";
PACKET_TYPES["upgrade"] = "5";
PACKET_TYPES["noop"] = "6";
var PACKET_TYPES_REVERSE = Object.create(null);
Object.keys(PACKET_TYPES).forEach((key) => {
PACKET_TYPES_REVERSE[PACKET_TYPES[key]] = key;
});
var ERROR_PACKET = {
type: "error",
data: "parser error"
};
//#endregion
//#region ../node_modules/engine.io-parser/build/esm/encodePacket.browser.js
var withNativeBlob$1 = typeof Blob === "function" || typeof Blob !== "undefined" && Object.prototype.toString.call(Blob) === "[object BlobConstructor]";
var withNativeArrayBuffer$2 = typeof ArrayBuffer === "function";
var isView$1 = (obj) => {
return typeof ArrayBuffer.isView === "function" ? ArrayBuffer.isView(obj) : obj && obj.buffer instanceof ArrayBuffer;
};
var encodePacket = ({ type, data }, supportsBinary, callback) => {
if (withNativeBlob$1 && data instanceof Blob) if (supportsBinary) return callback(data);
else return encodeBlobAsBase64(data, callback);
else if (withNativeArrayBuffer$2 && (data instanceof ArrayBuffer || isView$1(data))) if (supportsBinary) return callback(data);
else return encodeBlobAsBase64(new Blob([data]), callback);
return callback(PACKET_TYPES[type] + (data || ""));
};
var encodeBlobAsBase64 = (data, callback) => {
const fileReader = new FileReader();
fileReader.onload = function() {
const content = fileReader.result.split(",")[1];
callback("b" + (content || ""));
};
return fileReader.readAsDataURL(data);
};
function toArray(data) {
if (data instanceof Uint8Array) return data;
else if (data instanceof ArrayBuffer) return new Uint8Array(data);
else return new Uint8Array(data.buffer, data.byteOffset, data.byteLength);
}
var TEXT_ENCODER;
function encodePacketToBinary(packet, callback) {
if (withNativeBlob$1 && packet.data instanceof Blob) return packet.data.arrayBuffer().then(toArray).then(callback);
else if (withNativeArrayBuffer$2 && (packet.data instanceof ArrayBuffer || isView$1(packet.data))) return callback(toArray(packet.data));
encodePacket(packet, false, (encoded) => {
if (!TEXT_ENCODER) TEXT_ENCODER = new TextEncoder();
callback(TEXT_ENCODER.encode(encoded));
});
}
//#endregion
//#region ../node_modules/engine.io-parser/build/esm/contrib/base64-arraybuffer.js
var chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
var lookup$1 = typeof Uint8Array === "undefined" ? [] : new Uint8Array(256);
for (let i = 0; i < 64; i++) lookup$1[chars.charCodeAt(i)] = i;
var decode$1 = (base64) => {
let bufferLength = base64.length * .75, len = base64.length, i, p = 0, encoded1, encoded2, encoded3, encoded4;
if (base64[base64.length - 1] === "=") {
bufferLength--;
if (base64[base64.length - 2] === "=") bufferLength--;
}
const arraybuffer = new ArrayBuffer(bufferLength), bytes = new Uint8Array(arraybuffer);
for (i = 0; i < len; i += 4) {
encoded1 = lookup$1[base64.charCodeAt(i)];
encoded2 = lookup$1[base64.charCodeAt(i + 1)];
encoded3 = lookup$1[base64.charCodeAt(i + 2)];
encoded4 = lookup$1[base64.charCodeAt(i + 3)];
bytes[p++] = encoded1 << 2 | encoded2 >> 4;
bytes[p++] = (encoded2 & 15) << 4 | encoded3 >> 2;
bytes[p++] = (encoded3 & 3) << 6 | encoded4 & 63;
}
return arraybuffer;
};
//#endregion
//#region ../node_modules/engine.io-parser/build/esm/decodePacket.browser.js
var withNativeArrayBuffer$1 = typeof ArrayBuffer === "function";
var decodePacket = (encodedPacket, binaryType) => {
if (typeof encodedPacket !== "string") return {
type: "message",
data: mapBinary(encodedPacket, binaryType)
};
const type = encodedPacket.charAt(0);
if (type === "b") return {
type: "message",
data: decodeBase64Packet(encodedPacket.substring(1), binaryType)
};
if (!PACKET_TYPES_REVERSE[type]) return ERROR_PACKET;
return encodedPacket.length > 1 ? {
type: PACKET_TYPES_REVERSE[type],
data: encodedPacket.substring(1)
} : { type: PACKET_TYPES_REVERSE[type] };
};
var decodeBase64Packet = (data, binaryType) => {
if (withNativeArrayBuffer$1) return mapBinary(decode$1(data), binaryType);
else return {
base64: true,
data
};
};
var mapBinary = (data, binaryType) => {
switch (binaryType) {
case "blob": if (data instanceof Blob) return data;
else return new Blob([data]);
default: if (data instanceof ArrayBuffer) return data;
else return data.buffer;
}
};
//#endregion
//#region ../node_modules/engine.io-parser/build/esm/index.js
var SEPARATOR = String.fromCharCode(30);
var encodePayload = (packets, callback) => {
const length = packets.length;
const encodedPackets = new Array(length);
let count = 0;
packets.forEach((packet, i) => {
encodePacket(packet, false, (encodedPacket) => {
encodedPackets[i] = encodedPacket;
if (++count === length) callback(encodedPackets.join(SEPARATOR));
});
});
};
var decodePayload = (encodedPayload, binaryType) => {
const encodedPackets = encodedPayload.split(SEPARATOR);
const packets = [];
for (let i = 0; i < encodedPackets.length; i++) {
const decodedPacket = decodePacket(encodedPackets[i], binaryType);
packets.push(decodedPacket);
if (decodedPacket.type === "error") break;
}
return packets;
};
function createPacketEncoderStream() {
return new TransformStream({ transform(packet, controller) {
encodePacketToBinary(packet, (encodedPacket) => {
const payloadLength = encodedPacket.length;
let header;
if (payloadLength < 126) {
header = new Uint8Array(1);
new DataView(header.buffer).setUint8(0, payloadLength);
} else if (payloadLength < 65536) {
header = new Uint8Array(3);
const view = new DataView(header.buffer);
view.setUint8(0, 126);
view.setUint16(1, payloadLength);
} else {
header = new Uint8Array(9);
const view = new DataView(header.buffer);
view.setUint8(0, 127);
view.setBigUint64(1, BigInt(payloadLength));
}
if (packet.data && typeof packet.data !== "string") header[0] |= 128;
controller.enqueue(header);
controller.enqueue(encodedPacket);
});
} });
}
var TEXT_DECODER;
function totalLength(chunks) {
return chunks.reduce((acc, chunk) => acc + chunk.length, 0);
}
function concatChunks(chunks, size) {
if (chunks[0].length === size) return chunks.shift();
const buffer = new Uint8Array(size);
let j = 0;
for (let i = 0; i < size; i++) {
buffer[i] = chunks[0][j++];
if (j === chunks[0].length) {
chunks.shift();
j = 0;
}
}
if (chunks.length && j < chunks[0].length) chunks[0] = chunks[0].slice(j);
return buffer;
}
function createPacketDecoderStream(maxPayload, binaryType) {
if (!TEXT_DECODER) TEXT_DECODER = new TextDecoder();
const chunks = [];
let state = 0;
let expectedLength = -1;
let isBinary = false;
return new TransformStream({ transform(chunk, controller) {
chunks.push(chunk);
while (true) {
if (state === 0) {
if (totalLength(chunks) < 1) break;
const header = concatChunks(chunks, 1);
isBinary = (header[0] & 128) === 128;
expectedLength = header[0] & 127;
if (expectedLength < 126) state = 3;
else if (expectedLength === 126) state = 1;
else state = 2;
} else if (state === 1) {
if (totalLength(chunks) < 2) break;
const headerArray = concatChunks(chunks, 2);
expectedLength = new DataView(headerArray.buffer, headerArray.byteOffset, headerArray.length).getUint16(0);
state = 3;
} else if (state === 2) {
if (totalLength(chunks) < 8) break;
const headerArray = concatChunks(chunks, 8);
const view = new DataView(headerArray.buffer, headerArray.byteOffset, headerArray.length);
const n = view.getUint32(0);
if (n > Math.pow(2, 21) - 1) {
controller.enqueue(ERROR_PACKET);
break;
}
expectedLength = n * Math.pow(2, 32) + view.getUint32(4);
state = 3;
} else {
if (totalLength(chunks) < expectedLength) break;
const data = concatChunks(chunks, expectedLength);
controller.enqueue(decodePacket(isBinary ? data : TEXT_DECODER.decode(data), binaryType));
state = 0;
}
if (expectedLength === 0 || expectedLength > maxPayload) {
controller.enqueue(ERROR_PACKET);
break;
}
}
} });
}
//#endregion
//#region ../node_modules/@socket.io/component-emitter/lib/esm/index.js
/**
* Initialize a new `Emitter`.
*
* @api public
*/
function Emitter(obj) {
if (obj) return mixin(obj);
}
/**
* Mixin the emitter properties.
*
* @param {Object} obj
* @return {Object}
* @api private
*/
function mixin(obj) {
for (var key in Emitter.prototype) obj[key] = Emitter.prototype[key];
return obj;
}
/**
* Listen on the given `event` with `fn`.
*
* @param {String} event
* @param {Function} fn
* @return {Emitter}
* @api public
*/
Emitter.prototype.on = Emitter.prototype.addEventListener = function(event, fn) {
this._callbacks = this._callbacks || {};
(this._callbacks["$" + event] = this._callbacks["$" + event] || []).push(fn);
return this;
};
/**
* Adds an `event` listener that will be invoked a single
* time then automatically removed.
*
* @param {String} event
* @param {Function} fn
* @return {Emitter}
* @api public
*/
Emitter.prototype.once = function(event, fn) {
function on() {
this.off(event, on);
fn.apply(this, arguments);
}
on.fn = fn;
this.on(event, on);
return this;
};
/**
* Remove the given callback for `event` or all
* registered callbacks.
*
* @param {String} event
* @param {Function} fn
* @return {Emitter}
* @api public
*/
Emitter.prototype.off = Emitter.prototype.removeListener = Emitter.prototype.removeAllListeners = Emitter.prototype.removeEventListener = function(event, fn) {
this._callbacks = this._callbacks || {};
if (0 == arguments.length) {
this._callbacks = {};
return this;
}
var callbacks = this._callbacks["$" + event];
if (!callbacks) return this;
if (1 == arguments.length) {
delete this._callbacks["$" + event];
return this;
}
var cb;
for (var i = 0; i < callbacks.length; i++) {
cb = callbacks[i];
if (cb === fn || cb.fn === fn) {
callbacks.splice(i, 1);
break;
}
}
if (callbacks.length === 0) delete this._callbacks["$" + event];
return this;
};
/**
* Emit `event` with the given args.
*
* @param {String} event
* @param {Mixed} ...
* @return {Emitter}
*/
Emitter.prototype.emit = function(event) {
this._callbacks = this._callbacks || {};
var args = new Array(arguments.length - 1), callbacks = this._callbacks["$" + event];
for (var i = 1; i < arguments.length; i++) args[i - 1] = arguments[i];
if (callbacks) {
callbacks = callbacks.slice(0);
for (var i = 0, len = callbacks.length; i < len; ++i) callbacks[i].apply(this, args);
}
return this;
};
Emitter.prototype.emitReserved = Emitter.prototype.emit;
/**
* Return array of callbacks for `event`.
*
* @param {String} event
* @return {Array}
* @api public
*/
Emitter.prototype.listeners = function(event) {
this._callbacks = this._callbacks || {};
return this._callbacks["$" + event] || [];
};
/**
* Check if this emitter has `event` handlers.
*
* @param {String} event
* @return {Boolean}
* @api public
*/
Emitter.prototype.hasListeners = function(event) {
return !!this.listeners(event).length;
};
//#endregion
//#region ../node_modules/engine.io-client/build/esm/globals.js
var nextTick = (() => {
if (typeof Promise === "function" && typeof Promise.resolve === "function") return (cb) => Promise.resolve().then(cb);
else return (cb, setTimeoutFn) => setTimeoutFn(cb, 0);
})();
var globalThisShim = (() => {
if (typeof self !== "undefined") return self;
else if (typeof window !== "undefined") return window;
else return Function("return this")();
})();
var defaultBinaryType = "arraybuffer";
//#endregion
//#region ../node_modules/engine.io-client/build/esm/util.js
function pick(obj, ...attr) {
return attr.reduce((acc, k) => {
if (obj.hasOwnProperty(k)) acc[k] = obj[k];
return acc;
}, {});
}
var NATIVE_SET_TIMEOUT = globalThisShim.setTimeout;
var NATIVE_CLEAR_TIMEOUT = globalThisShim.clearTimeout;
function installTimerFunctions(obj, opts) {
if (opts.useNativeTimers) {
obj.setTimeoutFn = NATIVE_SET_TIMEOUT.bind(globalThisShim);
obj.clearTimeoutFn = NATIVE_CLEAR_TIMEOUT.bind(globalThisShim);
} else {
obj.setTimeoutFn = globalThisShim.setTimeout.bind(globalThisShim);
obj.clearTimeoutFn = globalThisShim.clearTimeout.bind(globalThisShim);
}
}
var BASE64_OVERHEAD = 1.33;
function byteLength(obj) {
if (typeof obj === "string") return utf8Length(obj);
return Math.ceil((obj.byteLength || obj.size) * BASE64_OVERHEAD);
}
function utf8Length(str) {
let c = 0, length = 0;
for (let i = 0, l = str.length; i < l; i++) {
c = str.charCodeAt(i);
if (c < 128) length += 1;
else if (c < 2048) length += 2;
else if (c < 55296 || c >= 57344) length += 3;
else {
i++;
length += 4;
}
}
return length;
}
/**
* Generates a random 8-characters string.
*/
function randomString() {
return Date.now().toString(36).substring(3) + Math.random().toString(36).substring(2, 5);
}
//#endregion
//#region ../node_modules/engine.io-client/build/esm/contrib/parseqs.js
/**
* Compiles a querystring
* Returns string representation of the object
*
* @param {Object}
* @api private
*/
function encode(obj) {
let str = "";
for (let i in obj) if (obj.hasOwnProperty(i)) {
if (str.length) str += "&";
str += encodeURIComponent(i) + "=" + encodeURIComponent(obj[i]);
}
return str;
}
/**
* Parses a simple querystring into an object
*
* @param {String} qs
* @api private
*/
function decode(qs) {
let qry = {};
let pairs = qs.split("&");
for (let i = 0, l = pairs.length; i < l; i++) {
let pair = pairs[i].split("=");
qry[decodeURIComponent(pair[0])] = decodeURIComponent(pair[1]);
}
return qry;
}
//#endregion
//#region ../node_modules/engine.io-client/build/esm/transport.js
var TransportError = class extends Error {
constructor(reason, description, context) {
super(reason);
this.description = description;
this.context = context;
this.type = "TransportError";
}
};
var Transport = class extends Emitter {
/**
* Transport abstract constructor.
*
* @param {Object} opts - options
* @protected
*/
constructor(opts) {
super();
this.writable = false;
installTimerFunctions(this, opts);
this.opts = opts;
this.query = opts.query;
this.socket = opts.socket;
this.supportsBinary = !opts.forceBase64;
}
/**
* Emits an error.
*
* @param {String} reason
* @param description
* @param context - the error context
* @return {Transport} for chaining
* @protected
*/
onError(reason, description, context) {
super.emitReserved("error", new TransportError(reason, description, context));
return this;
}
/**
* Opens the transport.
*/
open() {
this.readyState = "opening";
this.doOpen();
return this;
}
/**
* Closes the transport.
*/
close() {
if (this.readyState === "opening" || this.readyState === "open") {
this.doClose();
this.onClose();
}
return this;
}
/**
* Sends multiple packets.
*
* @param {Array} packets
*/
send(packets) {
if (this.readyState === "open") this.write(packets);
}
/**
* Called upon open
*
* @protected
*/
onOpen() {
this.readyState = "open";
this.writable = true;
super.emitReserved("open");
}
/**
* Called with data.
*
* @param {String} data
* @protected
*/
onData(data) {
const packet = decodePacket(data, this.socket.binaryType);
this.onPacket(packet);
}
/**
* Called with a decoded packet.
*
* @protected
*/
onPacket(packet) {
super.emitReserved("packet", packet);
}
/**
* Called upon close.
*
* @protected
*/
onClose(details) {
this.readyState = "closed";
super.emitReserved("close", details);
}
/**
* Pauses the transport, in order not to lose packets during an upgrade.
*
* @param onPause
*/
pause(onPause) {}
createUri(schema, query = {}) {
return schema + "://" + this._hostname() + this._port() + this.opts.path + this._query(query);
}
_hostname() {
const hostname = this.opts.hostname;
return hostname.indexOf(":") === -1 ? hostname : "[" + hostname + "]";
}
_port() {
if (this.opts.port && (this.opts.secure && Number(this.opts.port) !== 443 || !this.opts.secure && Number(this.opts.port) !== 80)) return ":" + this.opts.port;
else return "";
}
_query(query) {
const encodedQuery = encode(query);
return encodedQuery.length ? "?" + encodedQuery : "";
}
};
//#endregion
//#region ../node_modules/engine.io-client/build/esm/transports/polling.js
var Polling = class extends Transport {
constructor() {
super(...arguments);
this._polling = false;
}
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 = () => {
this.readyState = "paused";
onPause();
};
if (this._polling || !this.writable) {
let total = 0;
if (this._polling) {
total++;
this.once("pollComplete", function() {
--total || pause();
});
}
if (!this.writable) {
total++;
this.once("drain", function() {
--total || pause();
});
}
} else pause();
}
/**
* Starts polling cycle.
*
* @private
*/
_poll() {
this._polling = true;
this.doPoll();
this.emitReserved("poll");
}
/**
* Overloads onData to detect payloads.
*
* @protected
*/
onData(data) {
const callback = (packet) => {
if ("opening" === this.readyState && packet.type === "open") this.onOpen();
if ("close" === packet.type) {
this.onClose({ description: "transport closed by the server" });
return false;
}
this.onPacket(packet);
};
decodePayload(data, this.socket.binaryType).forEach(callback);
if ("closed" !== this.readyState) {
this._polling = false;
this.emitReserved("pollComplete");
if ("open" === this.readyState) this._poll();
}
}
/**
* For polling, send a close packet.
*
* @protected
*/
doClose() {
const close = () => {
this.write([{ type: "close" }]);
};
if ("open" === this.readyState) close();
else 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() {
const schema = this.opts.secure ? "https" : "http";
const query = this.query || {};
if (false !== this.opts.timestampRequests) query[this.opts.timestampParam] = randomString();
if (!this.supportsBinary && !query.sid) query.b64 = 1;
return this.createUri(schema, query);
}
};
//#endregion
//#region ../node_modules/engine.io-client/build/esm/contrib/has-cors.js
var value = false;
try {
value = typeof XMLHttpRequest !== "undefined" && "withCredentials" in new XMLHttpRequest();
} catch (err) {}
var hasCORS = value;
//#endregion
//#region ../node_modules/engine.io-client/build/esm/transports/polling-xhr.js
function empty() {}
var BaseXHR = class extends Polling {
/**
* XHR Polling constructor.
*
* @param {Object} opts
* @package
*/
constructor(opts) {
super(opts);
if (typeof location !== "undefined") {
const isSSL = "https:" === location.protocol;
let port = location.port;
if (!port) port = isSSL ? "443" : "80";
this.xd = typeof location !== "undefined" && opts.hostname !== location.hostname || port !== opts.port;
}
}
/**
* Sends data.
*
* @param {String} data to send.
* @param {Function} called upon flush.
* @private
*/
doWrite(data, fn) {
const req = this.request({
method: "POST",
data
});
req.on("success", fn);
req.on("error", (xhrStatus, context) => {
this.onError("xhr post error", xhrStatus, context);
});
}
/**
* Starts a poll cycle.
*
* @private
*/
doPoll() {
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;
}
};
var Request = class Request extends Emitter {
/**
* Request constructor
*
* @param {Object} options
* @package
*/
constructor(createRequest, uri, opts) {
super();
this.createRequest = createRequest;
installTimerFunctions(this, opts);
this._opts = opts;
this._method = opts.method || "GET";
this._uri = uri;
this._data = void 0 !== opts.data ? opts.data : null;
this._create();
}
/**
* Creates the XHR object and sends the request.
*
* @private
*/
_create() {
var _a;
const opts = pick(this._opts, "agent", "pfx", "key", "passphrase", "cert", "ca", "ciphers", "rejectUnauthorized", "autoUnref");
opts.xdomain = !!this._opts.xd;
const xhr = this._xhr = this.createRequest(opts);
try {
xhr.open(this._method, this._uri, true);
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) {}
(_a = this._opts.cookieJar) === null || _a === void 0 || _a.addCookies(xhr);
if ("withCredentials" in xhr) xhr.withCredentials = this._opts.withCredentials;
if (this._opts.requestTimeout) xhr.timeout = this._opts.requestTimeout;
xhr.onreadystatechange = () => {
var _a;
if (xhr.readyState === 3) (_a = this._opts.cookieJar) === null || _a === void 0 || _a.parseCookies(xhr.getResponseHeader("set-cookie"));
if (4 !== xhr.readyState) return;
if (200 === xhr.status || 1223 === xhr.status) this._onLoad();
else this.setTimeoutFn(() => {
this._onError(typeof xhr.status === "number" ? xhr.status : 0);
}, 0);
};
xhr.send(this._data);
} catch (e) {
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") {
if (typeof attachEvent === "function") attachEvent("onunload", unloadHandler);
else if (typeof addEventListener === "function") {
const terminationEvent = "onpagehide" in globalThisShim ? "pagehide" : "unload";
addEventListener(terminationEvent, unloadHandler, false);
}
}
function unloadHandler() {
for (let i in Request.requests) if (Request.requests.hasOwnProperty(i)) Request.requests[i].abort();
}
var hasXHR2 = (function() {
const xhr = newRequest({ xdomain: false });
return xhr && xhr.responseType !== null;
})();
/**
* HTTP long-polling based on the built-in `XMLHttpRequest` object.
*
* Usage: browser
*
* @see https://developer.mozilla.org/en-US/docs/Web/API/XMLHttpRequest
*/
var XHR = class extends BaseXHR {
constructor(opts) {
super(opts);
const forceBase64 = opts && opts.forceBase64;
this.supportsBinary = hasXHR2 && !forceBase64;
}
request(opts = {}) {
Object.assign(opts, { xd: this.xd }, this.opts);
return new Request(newRequest, this.uri(), opts);
}
};
function newRequest(opts) {
const xdomain = opts.xdomain;
try {
if ("undefined" !== typeof XMLHttpRequest && (!xdomain || hasCORS)) return new XMLHttpRequest();
} catch (e) {}
if (!xdomain) try {
return new globalThisShim[["Active"].concat("Object").join("X")]("Microsoft.XMLHTTP");
} catch (e) {}
}
//#endregion
//#region ../node_modules/engine.io-client/build/esm/transports/websocket.js
var isReactNative = typeof navigator !== "undefined" && typeof navigator.product === "string" && navigator.product.toLowerCase() === "reactnative";
var BaseWS = class extends Transport {
get name() {
return "websocket";
}
doOpen() {
const uri = this.uri();
const protocols = this.opts.protocols;
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 = this.createSocket(uri, protocols, opts);
} catch (err) {
return this.emitReserved("error", err);
}
this.ws.binaryType = this.socket.binaryType;
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;
for (let i = 0; i < packets.length; i++) {
const packet = packets[i];
const lastPacket = i === packets.length - 1;
encodePacket(packet, this.supportsBinary, (data) => {
try {
this.doWrite(packet, data);
} catch (e) {}
if (lastPacket) nextTick(() => {
this.writable = true;
this.emitReserved("drain");
}, this.setTimeoutFn);
});
}
}
doClose() {
if (typeof this.ws !== "undefined") {
this.ws.onerror = () => {};
this.ws.close();
this.ws = null;
}
}
/**
* Generates uri for connection.
*
* @private
*/
uri() {
const schema = this.opts.secure ? "wss" : "ws";
const query = this.query || {};
if (this.opts.timestampRequests) query[this.opts.timestampParam] = randomString();
if (!this.supportsBinary) query.b64 = 1;
return this.createUri(schema, query);
}
};
var WebSocketCtor = globalThisShim.WebSocket || globalThisShim.MozWebSocket;
/**
* WebSocket transport based on the built-in `WebSocket` object.
*
* Usage: browser, Node.js (since v21), Deno, Bun
*
* @see https://developer.mozilla.org/en-US/docs/Web/API/WebSocket
* @see https://caniuse.com/mdn-api_websocket
* @see https://nodejs.org/api/globals.html#websocket
*/
var WS = class extends BaseWS {
createSocket(uri, protocols, opts) {
return !isReactNative ? protocols ? new WebSocketCtor(uri, protocols) : new WebSocketCtor(uri) : new WebSocketCtor(uri, protocols, opts);
}
doWrite(_packet, data) {
this.ws.send(data);
}
};
//#endregion
//#region ../node_modules/engine.io-client/build/esm/transports/webtransport.js
/**
* WebTransport transport based on the built-in `WebTransport` object.
*
* Usage: browser, Node.js (with the `@fails-components/webtransport` package)
*
* @see https://developer.mozilla.org/en-US/docs/Web/API/WebTransport
* @see https://caniuse.com/webtransport
*/
var WT = class extends Transport {
get name() {
return "webtransport";
}
doOpen() {
try {
this._transport = new WebTransport(this.createUri("https"), this.opts.transportOptions[this.name]);
} catch (err) {
return this.emitReserved("error", err);
}
this._transport.closed.then(() => {
this.onClose();
}).catch((err) => {
this.onError("webtransport error", err);
});
this._transport.ready.then(() => {
this._transport.createBidirectionalStream().then((stream) => {
const decoderStream = createPacketDecoderStream(Number.MAX_SAFE_INTEGER, this.socket.binaryType);
const reader = stream.readable.pipeThrough(decoderStream).getReader();
const encoderStream = createPacketEncoderStream();
encoderStream.readable.pipeTo(stream.writable);
this._writer = encoderStream.writable.getWriter();
const read = () => {
reader.read().then(({ done, value }) => {
if (done) return;
this.onPacket(value);
read();
}).catch((err) => {});
};
read();
const packet = { type: "open" };
if (this.query.sid) packet.data = `{"sid":"${this.query.sid}"}`;
this._writer.write(packet).then(() => this.onOpen());
});
});
}
write(packets) {
this.writable = false;
for (let i = 0; i < packets.length; i++) {
const packet = packets[i];
const lastPacket = i === packets.length - 1;
this._writer.write(packet).then(() => {
if (lastPacket) nextTick(() => {
this.writable = true;
this.emitReserved("drain");
}, this.setTimeoutFn);
});
}
}
doClose() {
var _a;
(_a = this._transport) === null || _a === void 0 || _a.close();
}
};
//#endregion
//#region ../node_modules/engine.io-client/build/esm/transports/index.js
var transports = {
websocket: WS,
webtransport: WT,
polling: XHR
};
//#endregion
//#region ../node_modules/engine.io-client/build/esm/contrib/parseuri.js
/**
* Parses a URI
*
* Note: we could also have used the built-in URL object, but it isn't supported on all platforms.
*
* See:
* - https://developer.mozilla.org/en-US/docs/Web/API/URL
* - https://caniuse.com/url
* - https://www.rfc-editor.org/rfc/rfc3986#appendix-B
*
* History of the parse() method:
* - first commit: https://github.com/socketio/socket.io-client/commit/4ee1d5d94b3906a9c052b459f1a818b15f38f91c
* - export into its own module: https://github.com/socketio/engine.io-client/commit/de2c561e4564efeb78f1bdb1ba39ef81b2822cb3
* - reimport: https://github.com/socketio/engine.io-client/commit/df32277c3f6d622eec5ed09f493cae3f3391d242
*
* @author Steven Levithan <stevenlevithan.com> (MIT license)
* @api private
*/
var re = /^(?:(?![^:@\/?#]+:[^:@\/]*@)(http|https|ws|wss):\/\/)?((?:(([^:@\/?#]*)(?::([^:@\/?#]*))?)?@)?((?:[a-f0-9]{0,4}:){2,7}[a-f0-9]{0,4}|[^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/;
var parts = [
"source",
"protocol",
"authority",
"userInfo",
"user",
"password",
"host",
"port",
"relative",
"path",
"directory",
"file",
"query",
"anchor"
];
function parse(str) {
if (str.length > 8e3) throw "URI too long";
const src = str, b = str.indexOf("["), e = str.indexOf("]");
if (b != -1 && e != -1) str = str.substring(0, b) + str.substring(b, e).replace(/:/g, ";") + str.substring(e, str.length);
let m = re.exec(str || ""), uri = {}, i = 14;
while (i--) uri[parts[i]] = m[i] || "";
if (b != -1 && e != -1) {
uri.source = src;
uri.host = uri.host.substring(1, uri.host.length - 1).replace(/;/g, ":");
uri.authority = uri.authority.replace("[", "").replace("]", "").replace(/;/g, ":");
uri.ipv6uri = true;
}
uri.pathNames = pathNames(uri, uri["path"]);
uri.queryKey = queryKey(uri, uri["query"]);
return uri;
}
function pathNames(obj, path) {
const names = path.replace(/\/{2,9}/g, "/").split("/");
if (path.slice(0, 1) == "/" || path.length === 0) names.splice(0, 1);
if (path.slice(-1) == "/") names.splice(names.length - 1, 1);
return names;
}
function queryKey(uri, query) {
const data = {};
query.replace(/(?:^|&)([^&=]*)=?([^&]*)/g, function($0, $1, $2) {
if ($1) data[$1] = $2;
});
return data;
}
//#endregion
//#region ../node_modules/engine.io-client/build/esm/socket.js
var withEventListeners = typeof addEventListener === "function" && typeof removeEventListener === "function";
var OFFLINE_EVENT_LISTENERS = [];
if (withEventListeners) addEventListener("offline", () => {
OFFLINE_EVENT_LISTENERS.forEach((listener) => listener());
}, false);
/**
* This class provides a WebSocket-like interface to connect to an Engine.IO server. The connection will be established
* with one of the available low-level transports, like HTTP long-polling, WebSocket or WebTransport.
*
* This class comes without upgrade mechanism, which means that it will keep the first low-level transport that
* successfully establishes the connection.
*
* In order to allow tree-shaking, there are no transports included, that's why the `transports` option is mandatory.
*
* @example
* import { SocketWithoutUpgrade, WebSocket } from "engine.io-client";
*
* const socket = new SocketWithoutUpgrade({
* transports: [WebSocket]
* });
*
* socket.on("open", () => {
* socket.send("hello");
* });
*
* @see SocketWithUpgrade
* @see Socket
*/
var SocketWithoutUpgrade = class SocketWithoutUpgrade extends Emitter {
/**
* Socket constructor.
*
* @param {String|Object} uri - uri or options
* @param {Object} opts - options
*/
constructor(uri, opts) {
super();
this.binaryType = defaultBinaryType;
this.writeBuffer = [];
this._prevBufferLen = 0;
this._pingInterval = -1;
this._pingTimeout = -1;
this._maxPayload = -1;
/**
* The expiration timestamp of the {@link _pingTimeoutTimer} object is tracked, in case the timer is throttled and the
* callback is not fired on time. This can happen for example when a laptop is suspended or when a phone is locked.
*/
this._pingTimeoutTime = Infinity;
if (uri && "object" === typeof uri) {
opts = uri;
uri = null;
}
if (uri) {
const parsedUri = parse(uri);
opts.hostname = parsedUri.host;
opts.secure = parsedUri.protocol === "https" || parsedUri.protocol === "wss";
opts.port = parsedUri.port;
if (parsedUri.query) opts.query = parsedUri.query;
} else if (opts.host) opts.hostname = parse(opts.host).host;
installTimerFunctions(this, opts);
this.secure = null != opts.secure ? opts.secure : typeof location !== "undefined" && "https:" === location.protocol;
if (opts.hostname && !opts.port) opts.port = this.secure ? "443" : "80";
this.hostname = opts.hostname || (typeof location !== "undefined" ? location.hostname : "localhost");
this.port = opts.port || (typeof location !== "undefined" && location.port ? location.port : this.secure ? "443" : "80");
this.transports = [];
this._transportsByName = {};
opts.transports.forEach((t) => {
const transportName = t.prototype.name;
this.transports.push(transportName);
this._transportsByName[transportName] = t;
});
this.opts = Object.assign({
path: "/engine.io",
agent: false,
withCredentials: false,
upgrade: true,
timestampParam: "t",
rememberUpgrade: false,
addTrailingSlash: true,
rejectUnauthorized: true,
perMessageDeflate: { threshold: 1024 },
transportOptions: {},
closeOnBeforeunload: false
}, opts);
this.opts.path = this.opts.path.replace(/\/$/, "") + (this.opts.addTrailingSlash ? "/" : "");
if (typeof this.opts.query === "string") this.opts.query = decode(this.opts.query);
if (withEventListeners) {
if (this.opts.closeOnBeforeunload) {
this._beforeunloadEventListener = () => {
if (this.transport) {
this.transport.removeAllListeners();
this.transport.close();
}
};
addEventListener("beforeunload", this._beforeunloadEventListener, false);
}
if (this.hostname !== "localhost") {
this._offlineEventListener = () => {
this._onClose("transport close", { description: "network connection lost" });
};
OFFLINE_EVENT_LISTENERS.push(this._offlineEventListener);
}
}
if (this.opts.withCredentials) this._cookieJar = void 0;
this._open();
}
/**
* Creates transport of the given type.
*
* @param {String} name - transport name
* @return {Transport}
* @private
*/
createTransport(name) {
const query = Object.assign({}, this.opts.query);
query.EIO = 4;
query.transport = name;
if (this.id) query.sid = this.id;
const opts = Object.assign({}, this.opts, {
query,
socket: this,
hostname: this.hostname,
secure: this.secure,
port: this.port
}, this.opts.transportOptions[name]);
return new this._transportsByName[name](opts);
}
/**
* Initializes transport to use and starts probe.
*
* @private
*/
_open() {
if (this.transports.length === 0) {
this.setTimeoutFn(() => {
this.emitReserved("error", "No transports available");
}, 0);
return;
}
const transportName = this.opts.rememberUpgrade && SocketWithoutUpgrade.priorWebsocketSuccess && this.transports.indexOf("websocket") !== -1 ? "websocket" : this.transports[0];
this.readyState = "opening";
const transport = this.createTransport(transportName);
transport.open();
this.setTransport(transport);
}
/**
* Sets the current transport. Disables the existing one (if any).
*
* @private
*/
setTransport(transport) {
if (this.transport) this.transport.removeAllListeners();
this.transport = transport;
transport.on("drain", this._onDrain.bind(this)).on("packet", this._onPacket.bind(this)).on("error", this._onError.bind(this)).on("close", (reason) => this._onClose("transport close", reason));
}
/**
* Called when connection is deemed open.
*
* @private
*/
onOpen() {
this.readyState = "open";
SocketWithoutUpgrade.priorWebsocketSuccess = "websocket" === this.transport.name;
this.emitReserved("open");
this.flush();
}
/**
* Handles a packet.
*
* @private
*/
_onPacket(packet) {
if ("opening" === this.readyState || "open" === this.readyState || "closing" === this.readyState) {
this.emitReserved("packet", packet);
this.emitReserved("heartbeat");
switch (packet.type) {
case "open":
this.onHandshake(JSON.parse(packet.data));
break;
case "ping":
this._sendPacket("pong");
this.emitReserved("ping");
this.emitReserved("pong");
this._resetPingTimeout();
break;
case "error":
const err = /* @__PURE__ */ new Error("server error");
err.code = packet.data;
this._onError(err);
break;
case "message":
this.emitReserved("data", packet.data);
this.emitReserved("message", packet.data);
break;
}
}
}
/**
* Called upon handshake completion.
*
* @param {Object} data - handshake obj
* @private
*/
onHandshake(data) {
this.emitReserved("handshake", data);
this.id = data.sid;
this.transport.query.sid = data.sid;
this._pingInterval = data.pingInterval;
this._pingTimeout = data.pingTimeout;
this._maxPayload = data.maxPayload;
this.onOpen();
if ("closed" === this.readyState) return;
this._resetPingTimeout();
}
/**
* Sets and resets ping timeout timer based on server pings.
*
* @private
*/
_resetPingTimeout() {
this.clearTimeoutFn(this._pingTimeoutTimer);
const delay = this._pingInterval + this._pingTimeout;
this._pingTimeoutTime = Date.now() + delay;
this._pingTimeoutTimer = this.setTimeoutFn(() => {
this._onClose("ping timeout");
}, delay);
if (this.opts.autoUnref) this._pingTimeoutTimer.unref();
}
/**
* Called on `drain` event
*
* @private
*/
_onDrain() {
this.writeBuffer.splice(0, this._prevBufferLen);
this._prevBufferLen = 0;
if (0 === this.writeBuffer.length) this.emitReserved("drain");
else this.flush();
}
/**
* Flush write buffers.
*
* @private
*/
flush() {
if ("closed" !== this.readyState && this.transport.writable && !this.upgrading && this.writeBuffer.length) {
const packets = this._getWritablePackets();
this.transport.send(packets);
this._prevBufferLen = packets.length;
this.emitReserved("flush");
}
}
/**
* Ensure the encoded size of the writeBuffer is below the maxPayload value sent by the server (only for HTTP
* long-polling)
*
* @private
*/
_getWritablePackets() {
if (!(this._maxPayload && this.transport.name === "polling" && this.writeBuffer.length > 1)) return this.writeBuffer;
let payloadSize = 1;
for (let i = 0; i < this.writeBuffer.length; i++) {
const data = this.writeBuffer[i].data;
if (data) payloadSize += byteLength(data);
if (i > 0 && payloadSize > this._maxPayload) return this.writeBuffer.slice(0, i);
payloadSize += 2;
}
return this.writeBuffer;
}
/**
* Checks whether the heartbeat timer has expired but the socket has not yet been notified.
*
* Note: this method is private for now because it does not really fit the WebSocket API, but if we put it in the
* `write()` method then the message would not be buffered by the Socket.IO client.
*
* @return {boolean}
* @private
*/
_hasPingExpired() {
if (!this._pingTimeoutTime) return true;
const hasExpired = Date.now() > this._pingTimeoutTime;
if (hasExpired) {
this._pingTimeoutTime = 0;
nextTick(() => {
this._onClose("ping timeout");
}, this.setTimeoutFn);
}
return hasExpired;
}
/**
* Sends a message.
*
* @param {String} msg - message.
* @param {Object} options.
* @param {Function} fn - callback function.
* @return {Socket} for chaining.
*/
write(msg, options, fn) {
this._sendPacket("message", msg, options, fn);
return this;
}
/**
* Sends a message. Alias of {@link Socket#write}.
*
* @param {String} msg - message.
* @param {Object} options.
* @param {Function} fn - callback function.
* @return {Socket} for chaining.
*/
send(msg, options, fn) {
this._sendPacket("message", msg, options, fn);
return this;
}
/**
* Sends a packet.
*
* @param {String} type: packet type.
* @param {String} data.
* @param {Object} options.
* @param {Function} fn - callback function.
* @private
*/
_sendPacket(type, data, options, fn) {
if ("function" === typeof data) {
fn = data;
data = void 0;
}
if ("function" === typeof options) {
fn = options;
options = null;
}
if ("closing" === this.readyState || "closed" === this.readyState) return;
options = options || {};
options.compress = false !== options.compress;
const packet = {
type,
data,
options
};
this.emitReserved("packetCreate", packet);
this.writeBuffer.push(packet);
if (fn) this.once("flush", fn);
this.flush();
}
/**
* Closes the connection.
*/
close() {
const close = () => {
this._onClose("forced close");
this.transport.close();
};
const cleanupAndClose = () => {
this.off("upgrade", cleanupAndClose);
this.off("upgradeError", cleanupAndClose);
close();
};
const waitForUpgrade = () => {
this.once("upgrade", cleanupAndClose);
this.once("upgradeError", cleanupAndClose);
};
if ("opening" === this.readyState || "open" === this.readyState) {
this.readyState = "closing";
if (this.writeBuffer.length) this.once("drain", () => {
if (this.upgrading) waitForUpgrade();
else close();
});
else if (this.upgrading) waitForUpgrade();
else close();
}
return this;
}
/**
* Called upon transport error
*
* @private
*/
_onError(err) {
SocketWithoutUpgrade.priorWebsocketSuccess = false;
if (this.opts.tryAllTransports && this.transports.length > 1 && this.readyState === "opening") {
this.transports.shift();
return this._open();
}
this.emitReserved("error", err);
this._onClose("transport error", err);
}
/**
* Called upon transport close.
*
* @private
*/
_onClose(reason, description) {
if ("opening" === this.readyState || "open" === this.readyState || "closing" === this.readyState) {
this.clearTimeoutFn(this._pingTimeoutTimer);
this.transport.removeAllListeners("close");
this.transport.close();
this.transport.removeAllListeners();
if (withEventListeners) {
if (this._beforeunloadEventListener) removeEventListener("beforeunload", this._beforeunloadEventListener, false);
if (this._offlineEventListener) {
const i = OFFLINE_EVENT_LISTENERS.indexOf(this._offlineEventListener);
if (i !== -1) OFFLINE_EVENT_LISTENERS.splice(i, 1);
}
}
this.readyState = "closed";
this.id = null;
this.emitReserved("close", reason, description);
this.writeBuffer = [];
this._prevBufferLen = 0;
}
}
};
SocketWithoutUpgrade.protocol = 4;
/**
* This class provides a WebSocket-like interface to connect to an Engine.IO server. The connection will be established
* with one of the available low-level transports, like HTTP long-polling, WebSocket or WebTransport.
*
* This class comes with an upgrade mechanism, which means that once the connection is established with the first
* low-level transport, it will try to upgrade to a better transport.
*
* In order to allow tree-shaking, there are no transports included, that's why the `transports` option is mandatory.
*
* @example
* import { SocketWithUpgrade, WebSocket } from "engine.io-client";
*
* const socket = new SocketWithUpgrade({
* transports: [WebSocket]
* });
*
* socket.on("open", () => {
* socket.send("hello");
* });
*
* @see SocketWithoutUpgrade
* @see Socket
*/
var SocketWithUpgrade = class extends SocketWithoutUpgrade {
constructor() {
super(...arguments);
this._upgrades = [];
}
onOpen() {
super.onOpen();
if ("open" === this.readyState && this.opts.upgrade) for (let i = 0; i < this._upgrades.length; i++) this._probe(this._upgrades[i]);
}
/**
* Probes a transport.
*
* @param {String} name - transport name
* @private
*/
_probe(name) {
let transport = this.createTransport(name);
let failed = false;
SocketWithoutUpgrade.priorWebsocketSuccess = false;
const onTransportOpen = () => {
if (failed) return;
transport.send([{
type: "ping",
data: "probe"
}]);
transport.once("packet", (msg) => {
if (failed) return;
if ("pong" === msg.type && "probe" === msg.data) {
this.upgrading = true;
this.emitReserved("upgrading", transport);
if (!transport) return;
SocketWithoutUpgrade.priorWebsocketSuccess = "websocket" === transport.name;
this.transport.pause(() => {
if (failed) return;
if ("closed" === this.readyState) return;
cleanup();
this.setTransport(transport);
transport.send([{ type: "upgrade" }]);
this.emitReserved("upgrade", transport);
transport = null;
this.upgrading = false;
this.flush();
});
} else {
const err = /* @__PURE__ */ new Error("probe error");
err.transport = transport.name;
this.emitReserved("upgradeError", err);
}
});
};
function freezeTransport() {
if (failed) return;
failed = true;
cleanup();
transport.close();
transport = null;
}
const onerror = (err) => {
const error = /* @__PURE__ */ new Error("probe error: " + err);
error.transport = transport.name;
freezeTransport();
this.emitReserved("upgradeError", error);
};
function onTransportClose() {
onerror("transport closed");
}
function onclose() {
onerror("socket closed");
}
function onupgrade(to) {
if (transport && to.name !== transport.name) freezeTransport();
}
const cleanup = () => {
transport.removeListener("open", onTransportOpen);
transport.removeListener("error", onerror);
transport.removeListener("close", onTransportClose);
this.off("close", onclose);
this.off("upgrading", onupgrade);
};
transport.once("open", onTransportOpen);
transport.once("error", onerror);
transport.once("close", onTransportClose);
this.once("close", onclose);
this.once("upgrading", onupgrade);
if (this._upgrades.indexOf("webtransport") !== -1 && name !== "webtransport") this.setTimeoutFn(() => {
if (!failed) transport.open();
}, 200);
else transport.open();
}
onHandshake(data) {
this._upgrades = this._filterUpgrades(data.upgrades);
super.onHandshake(data);
}
/**
* Filters upgrades, returning only those matching client transports.
*
* @param {Array} upgrades - server upgrades
* @private
*/
_filterUpgrades(upgrades) {
const filteredUpgrades = [];
for (let i = 0; i < upgrades.length; i++) if (~this.transports.indexOf(upgrades[i])) filteredUpgrades.push(upgrades[i]);
return filteredUpgrades;
}
};
/**
* This class provides a WebSocket-like interface to connect to an Engine.IO server. The connection will be established
* with one of the available low-level transports, like HTTP long-polling, WebSocket or WebTransport.
*
* This class comes with an upgrade mechanism, which means that once the connection is established with the first
* low-level transport, it will try to upgrade to a better transport.
*
* @example
* import { Socket } from "engine.io-client";
*
* const socket = new Socket();
*
* socket.on("open", () => {
* socket.send("hello");
* });
*
* @see SocketWithoutUpgrade
* @see SocketWithUpgrade
*/
var Socket$1 = class extends SocketWithUpgrade {
constructor(uri, opts = {}) {
const o = typeof uri === "object" ? uri : opts;
if (!o.transports || o.transports && typeof o.transports[0] === "string") o.transports = (o.transports || [
"polling",
"websocket",
"webtransport"
]).map((transportName) => transports[transportName]).filter((t) => !!t);
super(uri, o);
}
};
//#endregion
//#region ../node_modules/engine.io-client/build/esm/transports/polling-fetch.js
/**
* HTTP long-polling based on the built-in `fetch()` method.
*
* Usage: browser, Node.js (since v18), Deno, Bun
*
* @see https://developer.mozilla.org/en-US/docs/Web/API/fetch
* @see https://caniuse.com/fetch
* @see https://nodejs.org/api/globals.html#fetch
*/
var Fetch = class extends Polling {
doPoll() {
this._fetch().then((res) => {
if (!res.ok) return this.onError("fetch read error", res.status, res);
res.text().then((data) => this.onData(data));
}).catch((err) => {
this.onError("fetch read error", err);
});
}
doWrite(data, callback) {
this._fetch(data).then((res) => {
if (!res.ok) return this.onError("fetch write error", res.status, res);
callback();
}).catch((err) => {
this.onError("fetch write error", err);
});
}
_fetch(data) {
var _a;
const isPost = data !== void 0;
const headers = new Headers(this.opts.extraHeaders);
if (isPost) headers.set("content-type", "text/plain;charset=UTF-8");
(_a = this.socket._cookieJar) === null || _a === void 0 || _a.appendCookies(headers);
return fetch(this.uri(), {
method: isPost ? "POST" : "GET",
body: isPost ? data : null,
headers,
credentials: this.opts.withCredentials ? "include" : "omit"
}).then((res) => {
var _a;
(_a = this.socket._cookieJar) === null || _a === void 0 || _a.parseCookies(res.headers.getSetCookie());
return res;
});
}
};
Socket$1.protocol;
//#endregion
//#region ../node_modules/socket.io-client/build/esm/url.js
/**
* URL parser.
*
* @param uri - url
* @param path - the request path of the connection
* @param loc - An object meant to mimic window.location.
* Defaults to window.location.
* @public
*/
function url(uri, path = "", loc) {
let obj = uri;
loc = loc || typeof location !== "undefined" && location;
if (null == uri) uri = loc.protocol + "//" + loc.host;
if (typeof uri === "string") {
if ("/" === uri.charAt(0)) if ("/" === uri.charAt(1)) uri = loc.protocol + uri;
else uri = loc.host + uri;
if (!/^(https?|wss?):\/\//.test(uri)) if ("undefined" !== typeof loc) uri = loc.protocol + "//" + uri;
else uri = "https://" + uri;
obj = parse(uri);
}
if (!obj.port) {
if (/^(http|ws)$/.test(obj.protocol)) obj.port = "80";
else if (/^(http|ws)s$/.test(obj.protocol)) obj.port = "443";
}
obj.path = obj.path || "/";
const host = obj.host.indexOf(":") !== -1 ? "[" + obj.host + "]" : obj.host;
obj.id = obj.protocol + "://" + host + ":" + obj.port + path;
obj.href = obj.protocol + "://" + host + (loc && loc.port === obj.port ? "" : ":" + obj.port);
return obj;
}
//#endregion
//#region ../node_modules/socket.io-parser/build/esm-debug/is-binary.js
var withNativeArrayBuffer = typeof ArrayBuffer === "function";
var isView = (obj) => {
return typeof ArrayBuffer.isView === "function" ? ArrayBuffer.isView(obj) : obj.buffer instanceof ArrayBuffer;
};
var toString = Object.prototype.toString;
var withNativeBlob = typeof Blob === "function" || typeof Blob !== "undefined" && toString.call(Blob) === "[object BlobConstructor]";
var withNativeFile = typeof File === "function" || typeof File !== "undefined" && toString.call(File) === "[object FileConstructor]";
/**
* Returns true if obj is a Buffer, an ArrayBuffer, a Blob or a File.
*
* @private
*/
function isBinary(obj) {
return withNativeArrayBuffer && (obj instanceof ArrayBuffer || isView(obj)) || withNativeBlob && obj instanceof Blob || withNativeFile && obj instanceof File;
}
function hasBinary(obj, toJSON) {
if (!obj || typeof obj !== "object") return false;
if (Array.isArray(obj)) {
for (let i = 0, l = obj.length; i < l; i++) if (hasBinary(obj[i])) return true;
return false;
}
if (isBinary(obj)) return true;
if (obj.toJSON && typeof obj.toJSON === "function" && arguments.length === 1) return hasBinary(obj.toJSON(), true);
for (const key in obj) if (Object.prototype.hasOwnProperty.call(obj, key) && hasBinary(obj[key])) return true;
return false;
}
//#endregion
//#region ../node_modules/socket.io-parser/build/esm-debug/binary.js
/**
* Replaces every Buffer | ArrayBuffer | Blob | File in packet with a numbered placeholder.
*
* @param {Object} packet - socket.io event packet
* @return {Object} with deconstructed packet and list of buffers
* @public
*/
function deconstructPacket(packet) {
const buffers = [];
const packetData = packet.data;
const pack = packet;
pack.data = _deconstructPacket(packetData, buffers);
pack.attachments = buffers.length;
return {
packet: pack,
buffers
};
}
function _deconstructPacket(data, buffers) {
if (!data) return data;
if (isBinary(data)) {
const placeholder = {
_placeholder: true,
num: buffers.length
};
buffers.push(data);
return placeholder;
} else if (Array.isArray(data)) {
const newData = new Array(data.length);
for (let i = 0; i < data.length; i++) newData[i] = _deconstructPacket(data[i], buffers);
return newData;
} else if (typeof data === "object" && !(data instanceof Date)) {
const newData = {};
for (const key in data) if (Object.prototype.hasOwnProperty.call(data, key)) newData[key] = _deconstructPacket(data[key], buffers);
return newData;
}
return data;
}
/**
* Reconstructs a binary packet from its placeholder packet and buffers
*
* @param {Object} packet - event packet with placeholders
* @param {Array} buffers - binary buffers to put in placeholder positions
* @return {Object} reconstructed packet
* @public
*/
function reconstructPacket(packet, buffers) {
packet.data = _reconstructPacket(packet.data, buffers);
delete packet.attachments;
return packet;
}
function _reconstructPacket(data, buffers) {
if (!data) return data;
if (data && data._placeholder === true) if (typeof data.num === "number" && data.num >= 0 && data.num < buffers.length) return buffers[data.num];
else throw new Error("illegal attachments");
else if (Array.isArray(data)) for (let i = 0; i < data.length; i++) data[i] = _reconstructPacket(data[i], buffers);
else if (typeof data === "object") {
for (const key in data) if (Object.prototype.hasOwnProperty.call(data, key)) data[key] = _reconstructPacket(data[key], buffers);
}
return data;
}
//#endregion
//#region ../node_modules/ms/index.js
var require_ms = /* @__PURE__ */ __commonJSMin(((exports, module) => {
/**
* Helpers.
*/
var s = 1e3;
var m = s * 60;
var h = m * 60;
var d = h * 24;
var w = d * 7;
var y = d * 365.25;
/**
* Parse or format the given `val`.
*
* Options:
*
* - `long` verbose formatting [false]
*
* @param {String|Number} val
* @param {Object} [options]
* @throws {Error} throw an error if val is not a non-empty string or a number
* @return {String|Number}
* @api public
*/
module.exports = function(val, options) {
options = options || {};
var type = typeof val;
if (type === "string" && val.length > 0) return parse(val);
else if (type === "number" && isFinite(val)) return options.long ? fmtLong(val) : fmtShort(val);
throw new Error("val is not a non-empty string or a valid number. val=" + JSON.stringify(val));
};
/**
* Parse the given `str` and return milliseconds.
*
* @param {String} str
* @return {Number}
* @api private
*/
function parse(str) {
str = String(str);
if (str.length > 100) return;
var match = /^(-?(?:\d+)?\.?\d+) *(milliseconds?|msecs?|ms|seconds?|secs?|s|minutes?|mins?|m|hours?|hrs?|h|days?|d|weeks?|w|years?|yrs?|y)?$/i.exec(str);
if (!match) return;
var n = parseFloat(match[1]);
switch ((match[2] || "ms").toLowerCase()) {
case "years":
case "year":
case "yrs":
case "yr":
case "y": return n * y;
case "weeks":
case "week":
case "w": return n * w;
case "days":
case "day":
case "d": return n * d;
case "hours":
case "hour":
case "hrs":
case "hr":
case "h": return n * h;
case "minutes":
case "minute":
case "mins":
case "min":
case "m": return n * m;
case "seconds":
case "second":
case "secs":
case "sec":
case "s": return n * s;
case "milliseconds":
case "millisecond":
case "msecs":
case "msec":
case "ms": return n;
default: return;
}
}
/**
* Short format for `ms`.
*
* @param {Number} ms
* @return {String}
* @api private
*/
function fmtShort(ms) {
var msAbs = Math.abs(ms);
if (msAbs >= d) return Math.round(ms / d) + "d";
if (msAbs >= h) return Math.round(ms / h) + "h";
if (msAbs >= m) return Math.round(ms / m) + "m";
if (msAbs >= s) return Math.round(ms / s) + "s";
return ms + "ms";
}
/**
* Long format for `ms`.
*
* @param {Number} ms
* @return {String}
* @api private
*/
function fmtLong(ms) {
var msAbs = Math.abs(ms);
if (msAbs >= d) return plural(ms, msAbs, d, "day");
if (msAbs >= h) return plural(ms, msAbs, h, "hour");
if (msAbs >= m) return plural(ms, msAbs, m, "minute");
if (msAbs >= s) return plural(ms, msAbs, s, "second");
return ms + " ms";
}
/**
* Pluralization helper.
*/
function plural(ms, msAbs, n, name) {
var isPlural = msAbs >= n * 1.5;
return Math.round(ms / n) + " " + name + (isPlural ? "s" : "");
}
}));
//#endregion
//#region ../node_modules/debug/src/common.js
var require_common = /* @__PURE__ */ __commonJSMin(((exports, module) => {
/**
* This is the common logic for both the Node.js and web browser
* implementations of `debug()`.
*/
function setup(env) {
createDebug.debug = createDebug;
createDebug.default = createDebug;
createDebug.coerce = coerce;
createDebug.disable = disable;
createDebug.enable = enable;
createDebug.enabled = enabled;
createDebug.humanize = require_ms();
createDebug.destroy = destroy;
Object.keys(env).forEach((key) => {
createDebug[key] = env[key];
});
/**
* The currently active debug mode names, and names to skip.
*/
createDebug.names = [];
createDebug.skips = [];
/**
* Map of special "%n" handling functions, for the debug "format" argument.
*
* Valid key names are a single, lower or upper-case letter, i.e. "n" and "N".
*/
createDebug.formatters = {};
/**
* Selects a color for a debug namespace
* @param {String} namespace The namespace string for the debug instance to be colored
* @return {Number|String} An ANSI color code for the given namespace
* @api private
*/
function selectColor(namespace) {
let hash = 0;
for (let i = 0; i < namespace.length; i++) {
hash = (hash << 5) - hash + namespace.charCodeAt(i);
hash |= 0;
}
return createDebug.colors[Math.abs(hash) % createDebug.colors.length];
}
createDebug.selectColor = selectColor;
/**
* Create a debugger with the given `namespace`.
*
* @param {String} namespace
* @return {Function}
* @api public
*/
function createDebug(namespace) {
let prevTime;
let enableOverride = null;
let namespacesCache;
let enabledCache;
function debug(...args) {
if (!debug.enabled) return;
const self = debug;
const curr = Number(/* @__PURE__ */ new Date());
self.diff = curr - (prevTime || curr);
self.prev = prevTime;
self.curr = curr;
prevTime = curr;
args[0] = createDebug.coerce(args[0]);
if (typeof args[0] !== "string") args.unshift("%O");
let index = 0;
args[0] = args[0].replace(/%([a-zA-Z%])/g, (match, format) => {
if (match === "%%") return "%";
index++;
const formatter = createDebug.formatters[format];
if (typeof formatter === "function") {
const val = args[index];
match = formatter.call(self, val);
args.splice(index, 1);
index--;
}
return match;
});
createDebug.formatArgs.call(self, args);
(self.log || createDebug.log).apply(self, args);
}
debug.namespace = namespace;
debug.useColors = createDebug.useColors();
debug.color = createDebug.selectColor(namespace);
debug.extend = extend;
debug.destroy = createDebug.destroy;
Object.defineProperty(debug, "enabled", {
enumerable: true,
configurable: false,
get: () => {
if (enableOverride !== null) return enableOverride;
if (namespacesCache !== createDebug.namespaces) {
namespacesCache = createDebug.namespaces;
enabledCache = createDebug.enabled(namespace);
}
return enabledCache;
},
set: (v) => {
enableOverride = v;
}
});
if (typeof createDebug.init === "function") createDebug.init(debug);
return debug;
}
function extend(namespace, delimiter) {
const newDebug = createDebug(this.namespace + (typeof delimiter === "undefined" ? ":" : delimiter) + namespace);
newDebug.log = this.log;
return newDebug;
}
/**
* Enables a debug mode by namespaces. This can include modes
* separated by a colon and wildcards.
*
* @param {String} namespaces
* @api public
*/
function enable(namespaces) {
createDebug.save(namespaces);
createDebug.namespaces = namespaces;
createDebug.names = [];
createDebug.skips = [];
const split = (typeof namespaces === "string" ? namespaces : "").trim().replace(/\s+/g, ",").split(",").filter(Boolean);
for (const ns of split) if (ns[0] === "-") createDebug.skips.push(ns.slice(1));
else createDebug.names.push(ns);
}
/**
* Checks if the given string matches a namespace template, honoring
* asterisks as wildcards.
*
* @param {String} search
* @param {String} template
* @return {Boolean}
*/
function matchesTemplate(search, template) {
let searchIndex = 0;
let templateIndex = 0;
let starIndex = -1;
let matchIndex = 0;
while (searchIndex < search.length) if (templateIndex < template.length && (template[templateIndex] === search[searchIndex] || template[templateIndex] === "*")) if (template[templateIndex] === "*") {
starIndex = templateIndex;
matchIndex = searchIndex;
templateIndex++;
} else {
searchIndex++;
templateIndex++;
}
else if (starIndex !== -1) {
templateIndex = starIndex + 1;
matchIndex++;
searchIndex = matchIndex;
} else return false;
while (templateIndex < template.length && template[templateIndex] === "*") templateIndex++;
return templateIndex === template.length;
}
/**
* Disable debug output.
*
* @return {String} namespaces
* @api public
*/
function disable() {
const namespaces = [...createDebug.names, ...createDebug.skips.map((namespace) => "-" + namespace)].join(",");
createDebug.enable("");
return namespaces;
}
/**
* Returns true if the given mode name is enabled, false otherwise.
*
* @param {String} name
* @return {Boolean}
* @api public
*/
function enabled(name) {
for (const skip of createDebug.skips) if (matchesTemplate(name, skip)) return false;
for (const ns of createDebug.names) if (matchesTemplate(name, ns)) return true;
return false;
}
/**
* Coerce `val`.
*
* @param {Mixed} val
* @return {Mixed}
* @api private
*/
function coerce(val) {
if (val instanceof Error) return val.stack || val.message;
return val;
}
/**
* XXX DO NOT USE. This is a temporary stub function.
* XXX It WILL be removed in the next major release.
*/
function destroy() {
console.warn("Instance method `debug.destroy()` is deprecated and no longer does anything. It will be removed in the next major version of `debug`.");
}
createDebug.enable(createDebug.load());
return createDebug;
}
module.exports = setup;
}));
//#endregion
//#region ../node_modules/debug/src/browser.js
var require_browser = /* @__PURE__ */ __commonJSMin(((exports, module) => {
/**
* This is the web browser implementation of `debug()`.
*/
exports.formatArgs = formatArgs;
exports.save = save;
exports.load = load;
exports.useColors = useColors;
exports.storage = localstorage();
exports.destroy = (() => {
let warned = false;
return () => {
if (!warned) {
warned = true;
console.warn("Instance method `debug.destroy()` is deprecated and no longer does anything. It will be removed in the next major version of `debug`.");
}
};
})();
/**
* Colors.
*/
exports.colors = [
"#0000CC",
"#0000FF",
"#0033CC",
"#0033FF",
"#0066CC",
"#0066FF",
"#0099CC",
"#0099FF",
"#00CC00",
"#00CC33",
"#00CC66",
"#00CC99",
"#00CCCC",
"#00CCFF",
"#3300CC",
"#3300FF",
"#3333CC",
"#3333FF",
"#3366CC",
"#3366FF",
"#3399CC",
"#3399FF",
"#33CC00",
"#33CC33",
"#33CC66",
"#33CC99",
"#33CCCC",
"#33CCFF",
"#6600CC",
"#6600FF",
"#6633CC",
"#6633FF",
"#66CC00",
"#66CC33",
"#9900CC",
"#9900FF",
"#9933CC",
"#9933FF",
"#99CC00",
"#99CC33",
"#CC0000",
"#CC0033",
"#CC0066",
"#CC0099",
"#CC00CC",
"#CC00FF",
"#CC3300",
"#CC3333",
"#CC3366",
"#CC3399",
"#CC33CC",
"#CC33FF",
"#CC6600",
"#CC6633",
"#CC9900",
"#CC9933",
"#CCCC00",
"#CCCC33",
"#FF0000",
"#FF0033",
"#FF0066",
"#FF0099",
"#FF00CC",
"#FF00FF",
"#FF3300",
"#FF3333",
"#FF3366",
"#FF3399",
"#FF33CC",
"#FF33FF",
"#FF6600",
"#FF6633",
"#FF9900",
"#FF9933",
"#FFCC00",
"#FFCC33"
];
/**
* Currently only WebKit-based Web Inspectors, Firefox >= v31,
* and the Firebug extension (any Firefox version) are known
* to support "%c" CSS customizations.
*
* TODO: add a `localStorage` variable to explicitly enable/disable colors
*/
function useColors() {
if (typeof window !== "undefined" && window.process && (window.process.type === "renderer" || window.process.__nwjs)) return true;
if (typeof navigator !== "undefined" && navigator.userAgent && navigator.userAgent.toLowerCase().match(/(edge|trident)\/(\d+)/)) return false;
let m;
return typeof document !== "undefined" && document.documentElement && document.documentElement.style && document.documentElement.style.WebkitAppearance || typeof window !== "undefined" && window.console && (window.console.firebug || window.console.exception && window.console.table) || typeof navigator !== "undefined" && navigator.userAgent && (m = navigator.userAgent.toLowerCase().match(/firefox\/(\d+)/)) && parseInt(m[1], 10) >= 31 || typeof navigator !== "undefined" && navigator.userAgent && navigator.userAgent.toLowerCase().match(/applewebkit\/(\d+)/);
}
/**
* Colorize log arguments if enabled.
*
* @api public
*/
function formatArgs(args) {
args[0] = (this.useColors ? "%c" : "") + this.namespace + (this.useColors ? " %c" : " ") + args[0] + (this.useColors ? "%c " : " ") + "+" + module.exports.humanize(this.diff);
if (!this.useColors) return;
const c = "color: " + this.color;
args.splice(1, 0, c, "color: inherit");
let index = 0;
let lastC = 0;
args[0].replace(/%[a-zA-Z%]/g, (match) => {
if (match === "%%") return;
index++;
if (match === "%c") lastC = index;
});
args.splice(lastC, 0, c);
}
/**
* Invokes `console.debug()` when available.
* No-op when `console.debug` is not a "function".
* If `console.debug` is not available, falls back
* to `console.log`.
*
* @api public
*/
exports.log = console.debug || console.log || (() => {});
/**
* Save `namespaces`.
*
* @param {String} namespaces
* @api private
*/
function save(namespaces) {
try {
if (namespaces) exports.storage.setItem("debug", namespaces);
else exports.storage.removeItem("debug");
} catch (error) {}
}
/**
* Load `namespaces`.
*
* @return {String} returns the previously persisted debug modes
* @api private
*/
function load() {
let r;
try {
r = exports.storage.getItem("debug") || exports.storage.getItem("DEBUG");
} catch (error) {}
if (!r && typeof process !== "undefined" && "env" in process) r = process.env.DEBUG;
return r;
}
/**
* Localstorage attempts to return the localstorage.
*
* This is necessary because safari throws
* when a user disables cookies/localstorage
* and you attempt to access it.
*
* @return {LocalStorage}
* @api private
*/
function localstorage() {
try {
return localStorage;
} catch (error) {}
}
module.exports = require_common()(exports);
var { formatters } = module.exports;
/**
* Map %j to `JSON.stringify()`, since no Web Inspectors do that by default.
*/
formatters.j = function(v) {
try {
return JSON.stringify(v);
} catch (error) {
return "[UnexpectedJSONParseError]: " + error.message;
}
};
}));
//#endregion
//#region ../node_modules/socket.io-parser/build/esm-debug/index.js
var esm_debug_exports = /* @__PURE__ */ __exportAll({
Decoder: () => Decoder,
Encoder: () => Encoder,
PacketType: () => PacketType,
isPacketValid: () => isPacketValid,
protocol: () => 5
});
var debug = (0, (/* @__PURE__ */ __toESM(require_browser())).default)("socket.io-parser");
/**
* These strings must not be used as event names, as they have a special meaning.
*/
var RESERVED_EVENTS$1 = [
"connect",
"connect_error",
"disconnect",
"disconnecting",
"newListener",
"removeListener"
];
/**
* Protocol version.
*
* @public
*/
var protocol = 5;
var PacketType;
(function(PacketType) {
PacketType[PacketType["CONNECT"] = 0] = "CONNECT";
PacketType[PacketType["DISCONNECT"] = 1] = "DISCONNECT";
PacketType[PacketType["EVENT"] = 2] = "EVENT";
PacketType[PacketType["ACK"] = 3] = "ACK";
PacketType[PacketType["CONNECT_ERROR"] = 4] = "CONNECT_ERROR";
PacketType[PacketType["BINARY_EVENT"] = 5] = "BINARY_EVENT";
PacketType[PacketType["BINARY_ACK"] = 6] = "BINARY_ACK";
})(PacketType || (PacketType = {}));
/**
* A socket.io Encoder instance
*/
var Encoder = class {
/**
* Encoder constructor
*
* @param {function} replacer - custom replacer to pass down to JSON.parse
*/
constructor(replacer) {
this.replacer = replacer;
}
/**
* Encode a packet as a single string if non-binary, or as a
* buffer sequence, depending on packet type.
*
* @param {Object} obj - packet object
*/
encode(obj) {
debug("encoding packet %j", obj);
if (obj.type === PacketType.EVENT || obj.type === PacketType.ACK) {
if (hasBinary(obj)) return this.encodeAsBinary({
type: obj.type === PacketType.EVENT ? PacketType.BINARY_EVENT : PacketType.BINARY_ACK,
nsp: obj.nsp,
data: obj.data,
id: obj.id
});
}
return [this.encodeAsString(obj)];
}
/**
* Encode packet as string.
*/
encodeAsString(obj) {
let str = "" + obj.type;
if (obj.type === PacketType.BINARY_EVENT || obj.type === PacketType.BINARY_ACK) str += obj.attachments + "-";
if (obj.nsp && "/" !== obj.nsp) str += obj.nsp + ",";
if (null != obj.id) str += obj.id;
if (null != obj.data) str += JSON.stringify(obj.data, this.replacer);
debug("encoded %j as %s", obj, str);
return str;
}
/**
* Encode packet as 'buffer sequence' by removing blobs, and
* deconstructing packet into object with placeholders and
* a list of buffers.
*/
encodeAsBinary(obj) {
const deconstruction = deconstructPacket(obj);
const pack = this.encodeAsString(deconstruction.packet);
const buffers = deconstruction.buffers;
buffers.unshift(pack);
return buffers;
}
};
/**
* A socket.io Decoder instance
*
* @return {Object} decoder
*/
var Decoder = class Decoder extends Emitter {
/**
* Decoder constructor
*/
constructor(opts) {
super();
this.opts = Object.assign({
reviver: void 0,
maxAttachments: 10
}, typeof opts === "function" ? { reviver: opts } : opts);
}
/**
* Decodes an encoded packet string into packet JSON.
*
* @param {String} obj - encoded packet
*/
add(obj) {
let packet;
if (typeof obj === "string") {
if (this.reconstructor) throw new Error("got plaintext data when reconstructing a packet");
packet = this.decodeString(obj);
const isBinaryEvent = packet.type === PacketType.BINARY_EVENT;
if (isBinaryEvent || packet.type === PacketType.BINARY_ACK) {
packet.type = isBinaryEvent ? PacketType.EVENT : PacketType.ACK;
this.reconstructor = new BinaryReconstructor(packet);
if (packet.attachments === 0) super.emitReserved("decoded", packet);
} else super.emitReserved("decoded", packet);
} else if (isBinary(obj) || obj.base64) if (!this.reconstructor) throw new Error("got binary data when not reconstructing a packet");
else {
packet = this.reconstructor.takeBinaryData(obj);
if (packet) {
this.reconstructor = null;
super.emitReserved("decoded", packet);
}
}
else throw new Error("Unknown type: " + obj);
}
/**
* Decode a packet String (JSON data)
*
* @param {String} str
* @return {Object} packet
*/
decodeString(str) {
let i = 0;
const p = { type: Number(str.charAt(0)) };
if (PacketType[p.type] === void 0) throw new Error("unknown packet type " + p.type);
if (p.type === PacketType.BINARY_EVENT || p.type === PacketType.BINARY_ACK) {
const start = i + 1;
while (str.charAt(++i) !== "-" && i != str.length);
const buf = str.substring(start, i);
if (buf != Number(buf) || str.charAt(i) !== "-") throw new Error("Illegal attachments");
const n = Number(buf);
if (!isInteger(n) || n < 0) throw new Error("Illegal attachments");
else if (n > this.opts.maxAttachments) throw new Error("too many attachments");
p.attachments = n;
}
if ("/" === str.charAt(i + 1)) {
const start = i + 1;
while (++i) {
if ("," === str.charAt(i)) break;
if (i === str.length) break;
}
p.nsp = str.substring(start, i);
} else p.nsp = "/";
const next = str.charAt(i + 1);
if ("" !== next && Number(next) == next) {
const start = i + 1;
while (++i) {
const c = str.charAt(i);
if (null == c || Number(c) != c) {
--i;
break;
}
if (i === str.length) break;
}
p.id = Number(str.substring(start, i + 1));
}
if (str.charAt(++i)) {
const payload = this.tryParse(str.substr(i));
if (Decoder.isPayloadValid(p.type, payload)) p.data = payload;
else throw new Error("invalid payload");
}
debug("decoded %s as %j", str, p);
return p;
}
tryParse(str) {
try {
return JSON.parse(str, this.opts.reviver);
} catch (e) {
return false;
}
}
static isPayloadValid(type, payload) {
switch (type) {
case PacketType.CONNECT: return isObject(payload);
case PacketType.DISCONNECT: return payload === void 0;
case PacketType.CONNECT_ERROR: return typeof payload === "string" || isObject(payload);
case PacketType.EVENT:
case PacketType.BINARY_EVENT: return Array.isArray(payload) && (typeof payload[0] === "number" || typeof payload[0] === "string" && RESERVED_EVENTS$1.indexOf(payload[0]) === -1);
case PacketType.ACK:
case PacketType.BINARY_ACK: return Array.isArray(payload);
}
}
/**
* Deallocates a parser's resources
*/
destroy() {
if (this.reconstructor) {
this.reconstructor.finishedReconstruction();
this.reconstructor = null;
}
}
};
/**
* A manager of a binary event's 'buffer sequence'. Should
* be constructed whenever a packet of type BINARY_EVENT is
* decoded.
*
* @param {Object} packet
* @return {BinaryReconstructor} initialized reconstructor
*/
var BinaryReconstructor = class {
constructor(packet) {
this.packet = packet;
this.buffers = [];
this.reconPack = packet;
}
/**
* Method to be called when binary data received from connection
* after a BINARY_EVENT packet.
*
* @param {Buffer | ArrayBuffer} binData - the raw binary data received
* @return {null | Object} returns null if more binary data is expected or
* a reconstructed packet object if all buffers have been received.
*/
takeBinaryData(binData) {
this.buffers.push(binData);
if (this.buffers.length === this.reconPack.attachments) {
const packet = reconstructPacket(this.reconPack, this.buffers);
this.finishedReconstruction();
return packet;
}
return null;
}
/**
* Cleans up binary packet reconstruction variables.
*/
finishedReconstruction() {
this.reconPack = null;
this.buffers = [];
}
};
function isNamespaceValid(nsp) {
return typeof nsp === "string";
}
var isInteger = Number.isInteger || function(value) {
return typeof value === "number" && isFinite(value) && Math.floor(value) === value;
};
function isAckIdValid(id) {
return id === void 0 || isInteger(id);
}
function isObject(value) {
return Object.prototype.toString.call(value) === "[object Object]";
}
function isDataValid(type, payload) {
switch (type) {
case PacketType.CONNECT: return payload === void 0 || isObject(payload);
case PacketType.DISCONNECT: return payload === void 0;
case PacketType.EVENT: return Array.isArray(payload) && (typeof payload[0] === "number" || typeof payload[0] === "string" && RESERVED_EVENTS$1.indexOf(payload[0]) === -1);
case PacketType.ACK: return Array.isArray(payload);
case PacketType.CONNECT_ERROR: return typeof payload === "string" || isObject(payload);
default: return false;
}
}
function isPacketValid(packet) {
return isNamespaceValid(packet.nsp) && isAckIdValid(packet.id) && isDataValid(packet.type, packet.data);
}
//#endregion
//#region ../node_modules/socket.io-client/build/esm/on.js
function on(obj, ev, fn) {
obj.on(ev, fn);
return function subDestroy() {
obj.off(ev, fn);
};
}
//#endregion
//#region ../node_modules/socket.io-client/build/esm/socket.js
/**
* Internal events.
* These events can't be emitted by the user.
*/
var RESERVED_EVENTS = Object.freeze({
connect: 1,
connect_error: 1,
disconnect: 1,
disconnecting: 1,
newListener: 1,
removeListener: 1
});
/**
* A Socket is the fundamental class for interacting with the server.
*
* A Socket belongs to a certain Namespace (by default /) and uses an underlying {@link Manager} to communicate.
*
* @example
* const socket = io();
*
* socket.on("connect", () => {
* console.log("connected");
* });
*
* // send an event to the server
* socket.emit("foo", "bar");
*
* socket.on("foobar", () => {
* // an event was received from the server
* });
*
* // upon disconnection
* socket.on("disconnect", (reason) => {
* console.log(`disconnected due to ${reason}`);
* });
*/
var Socket = class extends Emitter {
/**
* `Socket` constructor.
*/
constructor(io, nsp, opts) {
super();
/**
* Whether the socket is currently connected to the server.
*
* @example
* const socket = io();
*
* socket.on("connect", () => {
* console.log(socket.connected); // true
* });
*
* socket.on("disconnect", () => {
* console.log(socket.connected); // false
* });
*/
this.connected = false;
/**
* Whether the connection state was recovered after a temporary disconnection. In that case, any missed packets will
* be transmitted by the server.
*/
this.recovered = false;
/**
* Buffer for packets received before the CONNECT packet
*/
this.receiveBuffer = [];
/**
* Buffer for packets that will be sent once the socket is connected
*/
this.sendBuffer = [];
/**
* The queue of packets to be sent with retry in case of failure.
*
* Packets are sent one by one, each waiting for the server acknowledgement, in order to guarantee the delivery order.
* @private
*/
this._queue = [];
/**
* A sequence to generate the ID of the {@link QueuedPacket}.
* @private
*/
this._queueSeq = 0;
this.ids = 0;
/**
* A map containing acknowledgement handlers.
*
* The `withError` attribute is used to differentiate handlers that accept an error as first argument:
*
* - `socket.emit("test", (err, value) => { ... })` with `ackTimeout` option
* - `socket.timeout(5000).emit("test", (err, value) => { ... })`
* - `const value = await socket.emitWithAck("test")`
*
* From those that don't:
*
* - `socket.emit("test", (value) => { ... });`
*
* In the first case, the handlers will be called with an error when:
*
* - the timeout is reached
* - the socket gets disconnected
*
* In the second case, the handlers will be simply discarded upon disconnection, since the client will never receive
* an acknowledgement from the server.
*
* @private
*/
this.acks = {};
this.flags = {};
this.io = io;
this.nsp = nsp;
if (opts && opts.auth) this.auth = opts.auth;
this._opts = Object.assign({}, opts);
if (this.io._autoConnect) this.open();
}
/**
* Whether the socket is currently disconnected
*
* @example
* const socket = io();
*
* socket.on("connect", () => {
* console.log(socket.disconnected); // false
* });
*
* socket.on("disconnect", () => {
* console.log(socket.disconnected); // true
* });
*/
get disconnected() {
return !this.connected;
}
/**
* Subscribe to open, close and packet events
*
* @private
*/
subEvents() {
if (this.subs) return;
const io = this.io;
this.subs = [
on(io, "open", this.onopen.bind(this)),
on(io, "packet", this.onpacket.bind(this)),
on(io, "error", this.onerror.bind(this)),
on(io, "close", this.onclose.bind(this))
];
}
/**
* Whether the Socket will try to reconnect when its Manager connects or reconnects.
*
* @example
* const socket = io();
*
* console.log(socket.active); // true
*
* socket.on("disconnect", (reason) => {
* if (reason === "io server disconnect") {
* // the disconnection was initiated by the server, you need to manually reconnect
* console.log(socket.active); // false
* }
* // else the socket will automatically try to reconnect
* console.log(socket.active); // true
* });
*/
get active() {
return !!this.subs;
}
/**
* "Opens" the socket.
*
* @example
* const socket = io({
* autoConnect: false
* });
*
* socket.connect();
*/
connect() {
if (this.connected) return this;
this.subEvents();
if (!this.io["_reconnecting"]) this.io.open();
if ("open" === this.io._readyState) this.onopen();
return this;
}
/**
* Alias for {@link connect()}.
*/
open() {
return this.connect();
}
/**
* Sends a `message` event.
*
* This method mimics the WebSocket.send() method.
*
* @see https://developer.mozilla.org/en-US/docs/Web/API/WebSocket/send
*
* @example
* socket.send("hello");
*
* // this is equivalent to
* socket.emit("message", "hello");
*
* @return self
*/
send(...args) {
args.unshift("message");
this.emit.apply(this, args);
return this;
}
/**
* Override `emit`.
* If the event is in `events`, it's emitted normally.
*
* @example
* socket.emit("hello", "world");
*
* // all serializable datastructures are supported (no need to call JSON.stringify)
* socket.emit("hello", 1, "2", { 3: ["4"], 5: Uint8Array.from([6]) });
*
* // with an acknowledgement from the server
* socket.emit("hello", "world", (val) => {
* // ...
* });
*
* @return self
*/
emit(ev, ...args) {
var _a, _b, _c;
if (RESERVED_EVENTS.hasOwnProperty(ev)) throw new Error("\"" + ev.toString() + "\" is a reserved event name");
args.unshift(ev);
if (this._opts.retries && !this.flags.fromQueue && !this.flags.volatile) {
this._addToQueue(args);
return this;
}
const packet = {
type: PacketType.EVENT,
data: args
};
packet.options = {};
packet.options.compress = this.flags.compress !== false;
if ("function" === typeof args[args.length - 1]) {
const id = this.ids++;
const ack = args.pop();
this._registerAckCallback(id, ack);
packet.id = id;
}
const isTransportWritable = (_b = (_a = this.io.engine) === null || _a === void 0 ? void 0 : _a.transport) === null || _b === void 0 ? void 0 : _b.writable;
const isConnected = this.connected && !((_c = this.io.engine) === null || _c === void 0 ? void 0 : _c._hasPingExpired());
if (this.flags.volatile && !isTransportWritable) {} else if (isConnected) {
this.notifyOutgoingListeners(packet);
this.packet(packet);
} else this.sendBuffer.push(packet);
this.flags = {};
return this;
}
/**
* @private
*/
_registerAckCallback(id, ack) {
var _a;
const timeout = (_a = this.flags.timeout) !== null && _a !== void 0 ? _a : this._opts.ackTimeout;
if (timeout === void 0) {
this.acks[id] = ack;
return;
}
const timer = this.io.setTimeoutFn(() => {
delete this.acks[id];
for (let i = 0; i < this.sendBuffer.length; i++) if (this.sendBuffer[i].id === id) this.sendBuffer.splice(i, 1);
ack.call(this, /* @__PURE__ */ new Error("operation has timed out"));
}, timeout);
const fn = (...args) => {
this.io.clearTimeoutFn(timer);
ack.apply(this, args);
};
fn.withError = true;
this.acks[id] = fn;
}
/**
* Emits an event and waits for an acknowledgement
*
* @example
* // without timeout
* const response = await socket.emitWithAck("hello", "world");
*
* // with a specific timeout
* try {
* const response = await socket.timeout(1000).emitWithAck("hello", "world");
* } catch (err) {
* // the server did not acknowledge the event in the given delay
* }
*
* @return a Promise that will be fulfilled when the server acknowledges the event
*/
emitWithAck(ev, ...args) {
return new Promise((resolve, reject) => {
const fn = (arg1, arg2) => {
return arg1 ? reject(arg1) : resolve(arg2);
};
fn.withError = true;
args.push(fn);
this.emit(ev, ...args);
});
}
/**
* Add the packet to the queue.
* @param args
* @private
*/
_addToQueue(args) {
let ack;
if (typeof args[args.length - 1] === "function") ack = args.pop();
const packet = {
id: this._queueSeq++,
tryCount: 0,
pending: false,
args,
flags: Object.assign({ fromQueue: true }, this.flags)
};
args.push((err, ...responseArgs) => {
if (packet !== this._queue[0]) {}
if (err !== null) {
if (packet.tryCount > this._opts.retries) {
this._queue.shift();
if (ack) ack(err);
}
} else {
this._queue.shift();
if (ack) ack(null, ...responseArgs);
}
packet.pending = false;
return this._drainQueue();
});
this._queue.push(packet);
this._drainQueue();
}
/**
* Send the first packet of the queue, and wait for an acknowledgement from the server.
* @param force - whether to resend a packet that has not been acknowledged yet
*
* @private
*/
_drainQueue(force = false) {
if (!this.connected || this._queue.length === 0) return;
const packet = this._queue[0];
if (packet.pending && !force) return;
packet.pending = true;
packet.tryCount++;
this.flags = packet.flags;
this.emit.apply(this, packet.args);
}
/**
* Sends a packet.
*
* @param packet
* @private
*/
packet(packet) {
packet.nsp = this.nsp;
this.io._packet(packet);
}
/**
* Called upon engine `open`.
*
* @private
*/
onopen() {
if (typeof this.auth == "function") this.auth((data) => {
this._sendConnectPacket(data);
});
else this._sendConnectPacket(this.auth);
}
/**
* Sends a CONNECT packet to initiate the Socket.IO session.
*
* @param data
* @private
*/
_sendConnectPacket(data) {
this.packet({
type: PacketType.CONNECT,
data: this._pid ? Object.assign({
pid: this._pid,
offset: this._lastOffset
}, data) : data
});
}
/**
* Called upon engine or manager `error`.
*
* @param err
* @private
*/
onerror(err) {
if (!this.connected) this.emitReserved("connect_error", err);
}
/**
* Called upon engine `close`.
*
* @param reason
* @param description
* @private
*/
onclose(reason, description) {
this.connected = false;
delete this.id;
this.emitReserved("disconnect", reason, description);
this._clearAcks();
}
/**
* Clears the acknowledgement handlers upon disconnection, since the client will never receive an acknowledgement from
* the server.
*
* @private
*/
_clearAcks() {
Object.keys(this.acks).forEach((id) => {
if (!this.sendBuffer.some((packet) => String(packet.id) === id)) {
const ack = this.acks[id];
delete this.acks[id];
if (ack.withError) ack.call(this, /* @__PURE__ */ new Error("socket has been disconnected"));
}
});
}
/**
* Called with socket packet.
*
* @param packet
* @private
*/
onpacket(packet) {
if (!(packet.nsp === this.nsp)) return;
switch (packet.type) {
case PacketType.CONNECT:
if (packet.data && packet.data.sid) this.onconnect(packet.data.sid, packet.data.pid);
else this.emitReserved("connect_error", /* @__PURE__ */ new Error("It seems you are trying to reach a Socket.IO server in v2.x with a v3.x client, but they are not compatible (more information here: https://socket.io/docs/v3/migrating-from-2-x-to-3-0/)"));
break;
case PacketType.EVENT:
case PacketType.BINARY_EVENT:
this.onevent(packet);
break;
case PacketType.ACK:
case PacketType.BINARY_ACK:
this.onack(packet);
break;
case PacketType.DISCONNECT:
this.ondisconnect();
break;
case PacketType.CONNECT_ERROR:
this.destroy();
const err = new Error(packet.data.message);
err.data = packet.data.data;
this.emitReserved("connect_error", err);
break;
}
}
/**
* Called upon a server event.
*
* @param packet
* @private
*/
onevent(packet) {
const args = packet.data || [];
if (null != packet.id) args.push(this.ack(packet.id));
if (this.connected) this.emitEvent(args);
else this.receiveBuffer.push(Object.freeze(args));
}
emitEvent(args) {
if (this._anyListeners && this._anyListeners.length) {
const listeners = this._anyListeners.slice();
for (const listener of listeners) listener.apply(this, args);
}
super.emit.apply(this, args);
if (this._pid && args.length && typeof args[args.length - 1] === "string") this._lastOffset = args[args.length - 1];
}
/**
* Produces an ack callback to emit with an event.
*
* @private
*/
ack(id) {
const self = this;
let sent = false;
return function(...args) {
if (sent) return;
sent = true;
self.packet({
type: PacketType.ACK,
id,
data: args
});
};
}
/**
* Called upon a server acknowledgement.
*
* @param packet
* @private
*/
onack(packet) {
const ack = this.acks[packet.id];
if (typeof ack !== "function") return;
delete this.acks[packet.id];
if (ack.withError) packet.data.unshift(null);
ack.apply(this, packet.data);
}
/**
* Called upon server connect.
*
* @private
*/
onconnect(id, pid) {
this.id = id;
this.recovered = pid && this._pid === pid;
this._pid = pid;
this.connected = true;
this.emitBuffered();
this._drainQueue(true);
this.emitReserved("connect");
}
/**
* Emit buffered events (received and emitted).
*
* @private
*/
emitBuffered() {
this.receiveBuffer.forEach((args) => this.emitEvent(args));
this.receiveBuffer = [];
this.sendBuffer.forEach((packet) => {
this.notifyOutgoingListeners(packet);
this.packet(packet);
});
this.sendBuffer = [];
}
/**
* Called upon server disconnect.
*
* @private
*/
ondisconnect() {
this.destroy();
this.onclose("io server disconnect");
}
/**
* Called upon forced client/server side disconnections,
* this method ensures the manager stops tracking us and
* that reconnections don't get triggered for this.
*
* @private
*/
destroy() {
if (this.subs) {
this.subs.forEach((subDestroy) => subDestroy());
this.subs = void 0;
}
this.io["_destroy"](this);
}
/**
* Disconnects the socket manually. In that case, the socket will not try to reconnect.
*
* If this is the last active Socket instance of the {@link Manager}, the low-level connection will be closed.
*
* @example
* const socket = io();
*
* socket.on("disconnect", (reason) => {
* // console.log(reason); prints "io client disconnect"
* });
*
* socket.disconnect();
*
* @return self
*/
disconnect() {
if (this.connected) this.packet({ type: PacketType.DISCONNECT });
this.destroy();
if (this.connected) this.onclose("io client disconnect");
return this;
}
/**
* Alias for {@link disconnect()}.
*
* @return self
*/
close() {
return this.disconnect();
}
/**
* Sets the compress flag.
*
* @example
* socket.compress(false).emit("hello");
*
* @param compress - if `true`, compresses the sending data
* @return self
*/
compress(compress) {
this.flags.compress = compress;
return this;
}
/**
* Sets a modifier for a subsequent event emission that the event message will be dropped when this socket is not
* ready to send messages.
*
* @example
* socket.volatile.emit("hello"); // the server may or may not receive it
*
* @returns self
*/
get volatile() {
this.flags.volatile = true;
return this;
}
/**
* Sets a modifier for a subsequent event emission that the callback will be called with an error when the
* given number of milliseconds have elapsed without an acknowledgement from the server:
*
* @example
* socket.timeout(5000).emit("my-event", (err) => {
* if (err) {
* // the server did not acknowledge the event in the given delay
* }
* });
*
* @returns self
*/
timeout(timeout) {
this.flags.timeout = timeout;
return this;
}
/**
* Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the
* callback.
*
* @example
* socket.onAny((event, ...args) => {
* console.log(`got ${event}`);
* });
*
* @param listener
*/
onAny(listener) {
this._anyListeners = this._anyListeners || [];
this._anyListeners.push(listener);
return this;
}
/**
* Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the
* callback. The listener is added to the beginning of the listeners array.
*
* @example
* socket.prependAny((event, ...args) => {
* console.log(`got event ${event}`);
* });
*
* @param listener
*/
prependAny(listener) {
this._anyListeners = this._anyListeners || [];
this._anyListeners.unshift(listener);
return this;
}
/**
* Removes the listener that will be fired when any event is emitted.
*
* @example
* const catchAllListener = (event, ...args) => {
* console.log(`got event ${event}`);
* }
*
* socket.onAny(catchAllListener);
*
* // remove a specific listener
* socket.offAny(catchAllListener);
*
* // or remove all listeners
* socket.offAny();
*
* @param listener
*/
offAny(listener) {
if (!this._anyListeners) return this;
if (listener) {
const listeners = this._anyListeners;
for (let i = 0; i < listeners.length; i++) if (listener === listeners[i]) {
listeners.splice(i, 1);
return this;
}
} else this._anyListeners = [];
return this;
}
/**
* Returns an array of listeners that are listening for any event that is specified. This array can be manipulated,
* e.g. to remove listeners.
*/
listenersAny() {
return this._anyListeners || [];
}
/**
* Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the
* callback.
*
* Note: acknowledgements sent to the server are not included.
*
* @example
* socket.onAnyOutgoing((event, ...args) => {
* console.log(`sent event ${event}`);
* });
*
* @param listener
*/
onAnyOutgoing(listener) {
this._anyOutgoingListeners = this._anyOutgoingListeners || [];
this._anyOutgoingListeners.push(listener);
return this;
}
/**
* Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the
* callback. The listener is added to the beginning of the listeners array.
*
* Note: acknowledgements sent to the server are not included.
*
* @example
* socket.prependAnyOutgoing((event, ...args) => {
* console.log(`sent event ${event}`);
* });
*
* @param listener
*/
prependAnyOutgoing(listener) {
this._anyOutgoingListeners = this._anyOutgoingListeners || [];
this._anyOutgoingListeners.unshift(listener);
return this;
}
/**
* Removes the listener that will be fired when any event is emitted.
*
* @example
* const catchAllListener = (event, ...args) => {
* console.log(`sent event ${event}`);
* }
*
* socket.onAnyOutgoing(catchAllListener);
*
* // remove a specific listener
* socket.offAnyOutgoing(catchAllListener);
*
* // or remove all listeners
* socket.offAnyOutgoing();
*
* @param [listener] - the catch-all listener (optional)
*/
offAnyOutgoing(listener) {
if (!this._anyOutgoingListeners) return this;
if (listener) {
const listeners = this._anyOutgoingListeners;
for (let i = 0; i < listeners.length; i++) if (listener === listeners[i]) {
listeners.splice(i, 1);
return this;
}
} else this._anyOutgoingListeners = [];
return this;
}
/**
* Returns an array of listeners that are listening for any event that is specified. This array can be manipulated,
* e.g. to remove listeners.
*/
listenersAnyOutgoing() {
return this._anyOutgoingListeners || [];
}
/**
* Notify the listeners for each packet sent
*
* @param packet
*
* @private
*/
notifyOutgoingListeners(packet) {
if (this._anyOutgoingListeners && this._anyOutgoingListeners.length) {
const listeners = this._anyOutgoingListeners.slice();
for (const listener of listeners) listener.apply(this, packet.data);
}
}
};
//#endregion
//#region ../node_modules/socket.io-client/build/esm/contrib/backo2.js
/**
* Initialize backoff timer with `opts`.
*
* - `min` initial timeout in milliseconds [100]
* - `max` max timeout [10000]
* - `jitter` [0]
* - `factor` [2]
*
* @param {Object} opts
* @api public
*/
function Backoff(opts) {
opts = opts || {};
this.ms = opts.min || 100;
this.max = opts.max || 1e4;
this.factor = opts.factor || 2;
this.jitter = opts.jitter > 0 && opts.jitter <= 1 ? opts.jitter : 0;
this.attempts = 0;
}
/**
* Return the backoff duration.
*
* @return {Number}
* @api public
*/
Backoff.prototype.duration = function() {
var ms = this.ms * Math.pow(this.factor, this.attempts++);
if (this.jitter) {
var rand = Math.random();
var deviation = Math.floor(rand * this.jitter * ms);
ms = (Math.floor(rand * 10) & 1) == 0 ? ms - deviation : ms + deviation;
}
return Math.min(ms, this.max) | 0;
};
/**
* Reset the number of attempts.
*
* @api public
*/
Backoff.prototype.reset = function() {
this.attempts = 0;
};
/**
* Set the minimum duration
*
* @api public
*/
Backoff.prototype.setMin = function(min) {
this.ms = min;
};
/**
* Set the maximum duration
*
* @api public
*/
Backoff.prototype.setMax = function(max) {
this.max = max;
};
/**
* Set the jitter
*
* @api public
*/
Backoff.prototype.setJitter = function(jitter) {
this.jitter = jitter;
};
//#endregion
//#region ../node_modules/socket.io-client/build/esm/manager.js
var Manager = class extends Emitter {
constructor(uri, opts) {
var _a;
super();
this.nsps = {};
this.subs = [];
if (uri && "object" === typeof uri) {
opts = uri;
uri = void 0;
}
opts = opts || {};
opts.path = opts.path || "/socket.io";
this.opts = opts;
installTimerFunctions(this, opts);
this.reconnection(opts.reconnection !== false);
this.reconnectionAttempts(opts.reconnectionAttempts || Infinity);
this.reconnectionDelay(opts.reconnectionDelay || 1e3);
this.reconnectionDelayMax(opts.reconnectionDelayMax || 5e3);
this.randomizationFactor((_a = opts.randomizationFactor) !== null && _a !== void 0 ? _a : .5);
this.backoff = new Backoff({
min: this.reconnectionDelay(),
max: this.reconnectionDelayMax(),
jitter: this.randomizationFactor()
});
this.timeout(null == opts.timeout ? 2e4 : opts.timeout);
this._readyState = "closed";
this.uri = uri;
const _parser = opts.parser || esm_debug_exports;
this.encoder = new _parser.Encoder();
this.decoder = new _parser.Decoder();
this._autoConnect = opts.autoConnect !== false;
if (this._autoConnect) this.open();
}
reconnection(v) {
if (!arguments.length) return this._reconnection;
this._reconnection = !!v;
if (!v) this.skipReconnect = true;
return this;
}
reconnectionAttempts(v) {
if (v === void 0) return this._reconnectionAttempts;
this._reconnectionAttempts = v;
return this;
}
reconnectionDelay(v) {
var _a;
if (v === void 0) return this._reconnectionDelay;
this._reconnectionDelay = v;
(_a = this.backoff) === null || _a === void 0 || _a.setMin(v);
return this;
}
randomizationFactor(v) {
var _a;
if (v === void 0) return this._randomizationFactor;
this._randomizationFactor = v;
(_a = this.backoff) === null || _a === void 0 || _a.setJitter(v);
return this;
}
reconnectionDelayMax(v) {
var _a;
if (v === void 0) return this._reconnectionDelayMax;
this._reconnectionDelayMax = v;
(_a = this.backoff) === null || _a === void 0 || _a.setMax(v);
return this;
}
timeout(v) {
if (!arguments.length) return this._timeout;
this._timeout = v;
return this;
}
/**
* Starts trying to reconnect if reconnection is enabled and we have not
* started reconnecting yet
*
* @private
*/
maybeReconnectOnOpen() {
if (!this._reconnecting && this._reconnection && this.backoff.attempts === 0) this.reconnect();
}
/**
* Sets the current transport `socket`.
*
* @param {Function} fn - optional, callback
* @return self
* @public
*/
open(fn) {
if (~this._readyState.indexOf("open")) return this;
this.engine = new Socket$1(this.uri, this.opts);
const socket = this.engine;
const self = this;
this._readyState = "opening";
this.skipReconnect = false;
const openSubDestroy = on(socket, "open", function() {
self.onopen();
fn && fn();
});
const onError = (err) => {
this.cleanup();
this._readyState = "closed";
this.emitReserved("error", err);
if (fn) fn(err);
else this.maybeReconnectOnOpen();
};
const errorSub = on(socket, "error", onError);
if (false !== this._timeout) {
const timeout = this._timeout;
const timer = this.setTimeoutFn(() => {
openSubDestroy();
onError(/* @__PURE__ */ new Error("timeout"));
socket.close();
}, timeout);
if (this.opts.autoUnref) timer.unref();
this.subs.push(() => {
this.clearTimeoutFn(timer);
});
}
this.subs.push(openSubDestroy);
this.subs.push(errorSub);
return this;
}
/**
* Alias for open()
*
* @return self
* @public
*/
connect(fn) {
return this.open(fn);
}
/**
* Called upon transport open.
*
* @private
*/
onopen() {
this.cleanup();
this._readyState = "open";
this.emitReserved("open");
const socket = this.engine;
this.subs.push(on(socket, "ping", this.onping.bind(this)), on(socket, "data", this.ondata.bind(this)), on(socket, "error", this.onerror.bind(this)), on(socket, "close", this.onclose.bind(this)), on(this.decoder, "decoded", this.ondecoded.bind(this)));
}
/**
* Called upon a ping.
*
* @private
*/
onping() {
this.emitReserved("ping");
}
/**
* Called with data.
*
* @private
*/
ondata(data) {
try {
this.decoder.add(data);
} catch (e) {
this.onclose("parse error", e);
}
}
/**
* Called when parser fully decodes a packet.
*
* @private
*/
ondecoded(packet) {
nextTick(() => {
this.emitReserved("packet", packet);
}, this.setTimeoutFn);
}
/**
* Called upon socket error.
*
* @private
*/
onerror(err) {
this.emitReserved("error", err);
}
/**
* Creates a new socket for the given `nsp`.
*
* @return {Socket}
* @public
*/
socket(nsp, opts) {
let socket = this.nsps[nsp];
if (!socket) {
socket = new Socket(this, nsp, opts);
this.nsps[nsp] = socket;
} else if (this._autoConnect && !socket.active) socket.connect();
return socket;
}
/**
* Called upon a socket close.
*
* @param socket
* @private
*/
_destroy(socket) {
const nsps = Object.keys(this.nsps);
for (const nsp of nsps) if (this.nsps[nsp].active) return;
this._close();
}
/**
* Writes a packet.
*
* @param packet
* @private
*/
_packet(packet) {
const encodedPackets = this.encoder.encode(packet);
for (let i = 0; i < encodedPackets.length; i++) this.engine.write(encodedPackets[i], packet.options);
}
/**
* Clean up transport subscriptions and packet buffer.
*
* @private
*/
cleanup() {
this.subs.forEach((subDestroy) => subDestroy());
this.subs.length = 0;
this.decoder.destroy();
}
/**
* Close the current socket.
*
* @private
*/
_close() {
this.skipReconnect = true;
this._reconnecting = false;
this.onclose("forced close");
}
/**
* Alias for close()
*
* @private
*/
disconnect() {
return this._close();
}
/**
* Called when:
*
* - the low-level engine is closed
* - the parser encountered a badly formatted packet
* - all sockets are disconnected
*
* @private
*/
onclose(reason, description) {
var _a;
this.cleanup();
(_a = this.engine) === null || _a === void 0 || _a.close();
this.backoff.reset();
this._readyState = "closed";
this.emitReserved("close", reason, description);
if (this._reconnection && !this.skipReconnect) this.reconnect();
}
/**
* Attempt a reconnection.
*
* @private
*/
reconnect() {
if (this._reconnecting || this.skipReconnect) return this;
const self = this;
if (this.backoff.attempts >= this._reconnectionAttempts) {
this.backoff.reset();
this.emitReserved("reconnect_failed");
this._reconnecting = false;
} else {
const delay = this.backoff.duration();
this._reconnecting = true;
const timer = this.setTimeoutFn(() => {
if (self.skipReconnect) return;
this.emitReserved("reconnect_attempt", self.backoff.attempts);
if (self.skipReconnect) return;
self.open((err) => {
if (err) {
self._reconnecting = false;
self.reconnect();
this.emitReserved("reconnect_error", err);
} else self.onreconnect();
});
}, delay);
if (this.opts.autoUnref) timer.unref();
this.subs.push(() => {
this.clearTimeoutFn(timer);
});
}
}
/**
* Called upon successful reconnect.
*
* @private
*/
onreconnect() {
const attempt = this.backoff.attempts;
this._reconnecting = false;
this.backoff.reset();
this.emitReserved("reconnect", attempt);
}
};
//#endregion
//#region ../node_modules/socket.io-client/build/esm/index.js
/**
* Managers cache.
*/
var cache = {};
function lookup(uri, opts) {
if (typeof uri === "object") {
opts = uri;
uri = void 0;
}
opts = opts || {};
const parsed = url(uri, opts.path || "/socket.io");
const source = parsed.source;
const id = parsed.id;
const path = parsed.path;
const sameNamespace = cache[id] && path in cache[id]["nsps"];
const newConnection = opts.forceNew || opts["force new connection"] || false === opts.multiplex || sameNamespace;
let io;
if (newConnection) io = new Manager(source, opts);
else {
if (!cache[id]) cache[id] = new Manager(source, opts);
io = cache[id];
}
if (parsed.query && !opts.query) opts.query = parsed.queryKey;
return io.socket(parsed.path, opts);
}
Object.assign(lookup, {
Manager,
Socket,
io: lookup,
connect: lookup
});
//#endregion
export { Fetch, Manager, WS as NodeWebSocket, WS as WebSocket, XHR as NodeXHR, XHR, Socket, WT as WebTransport, lookup as connect, lookup as default, lookup as io, protocol };
//# sourceMappingURL=socket__io-client.js.map