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socket.io-client

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socket.io-client - npm Package Compare versions

Comparing version 4.4.1 to 4.5.0

build/cjs/contrib/backo2.js
build/esm-debug/contrib/backo2.d.ts
build/esm-debug/contrib/backo2.js
build/esm/contrib/backo2.d.ts
build/esm/contrib/backo2.js

8

build/cjs/manager.js

@@ -30,3 +30,3 @@ "use strict";

const on_js_1 = require("./on.js");
const backo2_1 = __importDefault(require("backo2"));
const backo2_js_1 = require("./contrib/backo2.js");
const component_emitter_1 = require("@socket.io/component-emitter");

@@ -54,3 +54,3 @@ const debug_1 = __importDefault(require("debug")); // debug()

this.randomizationFactor((_a = opts.randomizationFactor) !== null && _a !== void 0 ? _a : 0.5);
this.backoff = new backo2_1.default({
this.backoff = new backo2_js_1.Backoff({
min: this.reconnectionDelay(),

@@ -327,3 +327,3 @@ max: this.reconnectionDelayMax(),

*/
onclose(reason) {
onclose(reason, description) {
debug("closed due to %s", reason);

@@ -333,3 +333,3 @@ this.cleanup();

this._readyState = "closed";
this.emitReserved("close", reason);
this.emitReserved("close", reason, description);
if (this._reconnection && !this.skipReconnect) {

@@ -336,0 +336,0 @@ this.reconnect();

128

build/cjs/socket.js

@@ -34,3 +34,2 @@ "use strict";

this.connected = false;
this.disconnected = true;
this.receiveBuffer = [];

@@ -50,2 +49,8 @@ this.sendBuffer = [];

/**
* Whether the socket is currently disconnected
*/
get disconnected() {
return !this.connected;
}
/**
* Subscribe to open, close and packet events

@@ -138,2 +143,3 @@ *

else if (this.connected) {
this.notifyOutgoingListeners(packet);
this.packet(packet);

@@ -215,10 +221,10 @@ }

* @param reason
* @param description
* @private
*/
onclose(reason) {
onclose(reason, description) {
debug("close (%s)", reason);
this.connected = false;
this.disconnected = true;
delete this.id;
this.emitReserved("disconnect", reason);
this.emitReserved("disconnect", reason, description);
}

@@ -246,4 +252,2 @@ /**

case socket_io_parser_1.PacketType.EVENT:
this.onevent(packet);
break;
case socket_io_parser_1.PacketType.BINARY_EVENT:

@@ -253,4 +257,2 @@ this.onevent(packet);

case socket_io_parser_1.PacketType.ACK:
this.onack(packet);
break;
case socket_io_parser_1.PacketType.BINARY_ACK:

@@ -347,3 +349,2 @@ this.onack(packet);

this.connected = true;
this.disconnected = false;
this.emitBuffered();

@@ -360,3 +361,6 @@ this.emitReserved("connect");

this.receiveBuffer = [];
this.sendBuffer.forEach((packet) => this.packet(packet));
this.sendBuffer.forEach((packet) => {
this.notifyOutgoingListeners(packet);
this.packet(packet);
});
this.sendBuffer = [];

@@ -515,3 +519,107 @@ }

}
/**
* Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the
* callback.
*
* @param listener
*
* <pre><code>
*
* socket.onAnyOutgoing((event, ...args) => {
* console.log(event);
* });
*
* </pre></code>
*
* @public
*/
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.
*
* @param listener
*
* <pre><code>
*
* socket.prependAnyOutgoing((event, ...args) => {
* console.log(event);
* });
*
* </pre></code>
*
* @public
*/
prependAnyOutgoing(listener) {
this._anyOutgoingListeners = this._anyOutgoingListeners || [];
this._anyOutgoingListeners.unshift(listener);
return this;
}
/**
* Removes the listener that will be fired when any event is emitted.
*
* @param listener
*
* <pre><code>
*
* const handler = (event, ...args) => {
* console.log(event);
* }
*
* socket.onAnyOutgoing(handler);
*
* // then later
* socket.offAnyOutgoing(handler);
*
* </pre></code>
*
* @public
*/
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.
*
* @public
*/
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);
}
}
}
}
exports.Socket = Socket;

4

build/cjs/url.js

@@ -7,3 +7,3 @@ "use strict";

exports.url = void 0;
const parseuri_1 = __importDefault(require("parseuri"));
const engine_io_client_1 = require("engine.io-client");
const debug_1 = __importDefault(require("debug")); // debug()

@@ -47,3 +47,3 @@ const debug = debug_1.default("socket.io-client:url"); // debug()

debug("parse %s", uri);
obj = parseuri_1.default(uri);
obj = engine_io_client_1.parse(uri);
}

@@ -50,0 +50,0 @@ // make sure we treat `localhost:80` and `localhost` equally

4

build/esm-debug/manager.d.ts
import { Socket as Engine, SocketOptions as EngineOptions } from "engine.io-client";
import { Socket, SocketOptions } from "./socket.js";
import { Socket, SocketOptions, DisconnectDescription } from "./socket.js";
import { Packet } from "socket.io-parser";

@@ -67,3 +67,3 @@ import { DefaultEventsMap, EventsMap, Emitter } from "@socket.io/component-emitter";

packet: (packet: Packet) => void;
close: (reason: string) => void;
close: (reason: string, description?: DisconnectDescription) => void;
reconnect_failed: () => void;

@@ -70,0 +70,0 @@ reconnect_attempt: (attempt: number) => void;

6

build/esm-debug/manager.js

@@ -5,3 +5,3 @@ import { Socket as Engine, installTimerFunctions, } from "engine.io-client";

import { on } from "./on.js";
import Backoff from "backo2";
import { Backoff } from "./contrib/backo2.js";
import { Emitter, } from "@socket.io/component-emitter";

@@ -301,3 +301,3 @@ import debugModule from "debug"; // debug()

*/
onclose(reason) {
onclose(reason, description) {
debug("closed due to %s", reason);

@@ -307,3 +307,3 @@ this.cleanup();

this._readyState = "closed";
this.emitReserved("close", reason);
this.emitReserved("close", reason, description);
if (this._reconnection && !this.skipReconnect) {

@@ -310,0 +310,0 @@ this.reconnect();

83

build/esm-debug/socket.d.ts

@@ -12,6 +12,10 @@ import { Packet } from "socket.io-parser";

}
export declare type DisconnectDescription = Error | {
description: string;
context?: CloseEvent | XMLHttpRequest;
};
interface SocketReservedEvents {
connect: () => void;
connect_error: (err: Error) => void;
disconnect: (reason: Socket.DisconnectReason) => void;
disconnect: (reason: Socket.DisconnectReason, description?: DisconnectDescription) => void;
}

@@ -22,3 +26,2 @@ export declare class Socket<ListenEvents extends EventsMap = DefaultEventsMap, EmitEvents extends EventsMap = ListenEvents> extends Emitter<ListenEvents, EmitEvents, SocketReservedEvents> {

connected: boolean;
disconnected: boolean;
auth: {

@@ -35,2 +38,3 @@ [key: string]: any;

private _anyListeners;
private _anyOutgoingListeners;
/**

@@ -43,2 +47,6 @@ * `Socket` constructor.

/**
* Whether the socket is currently disconnected
*/
get disconnected(): boolean;
/**
* Subscribe to open, close and packet events

@@ -106,2 +114,3 @@ *

* @param reason
* @param description
* @private

@@ -240,2 +249,72 @@ */

listenersAny(): ((...args: any[]) => void)[];
/**
* Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the
* callback.
*
* @param listener
*
* <pre><code>
*
* socket.onAnyOutgoing((event, ...args) => {
* console.log(event);
* });
*
* </pre></code>
*
* @public
*/
onAnyOutgoing(listener: (...args: any[]) => void): 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.
*
* @param listener
*
* <pre><code>
*
* socket.prependAnyOutgoing((event, ...args) => {
* console.log(event);
* });
*
* </pre></code>
*
* @public
*/
prependAnyOutgoing(listener: (...args: any[]) => void): this;
/**
* Removes the listener that will be fired when any event is emitted.
*
* @param listener
*
* <pre><code>
*
* const handler = (event, ...args) => {
* console.log(event);
* }
*
* socket.onAnyOutgoing(handler);
*
* // then later
* socket.offAnyOutgoing(handler);
*
* </pre></code>
*
* @public
*/
offAnyOutgoing(listener?: (...args: any[]) => void): 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.
*
* @public
*/
listenersAnyOutgoing(): ((...args: any[]) => void)[];
/**
* Notify the listeners for each packet sent
*
* @param packet
*
* @private
*/
private notifyOutgoingListeners;
}

@@ -242,0 +321,0 @@ export declare namespace Socket {

128

build/esm-debug/socket.js

@@ -28,3 +28,2 @@ import { PacketType } from "socket.io-parser";

this.connected = false;
this.disconnected = true;
this.receiveBuffer = [];

@@ -44,2 +43,8 @@ this.sendBuffer = [];

/**
* Whether the socket is currently disconnected
*/
get disconnected() {
return !this.connected;
}
/**
* Subscribe to open, close and packet events

@@ -132,2 +137,3 @@ *

else if (this.connected) {
this.notifyOutgoingListeners(packet);
this.packet(packet);

@@ -209,10 +215,10 @@ }

* @param reason
* @param description
* @private
*/
onclose(reason) {
onclose(reason, description) {
debug("close (%s)", reason);
this.connected = false;
this.disconnected = true;
delete this.id;
this.emitReserved("disconnect", reason);
this.emitReserved("disconnect", reason, description);
}

@@ -240,4 +246,2 @@ /**

case PacketType.EVENT:
this.onevent(packet);
break;
case PacketType.BINARY_EVENT:

@@ -247,4 +251,2 @@ this.onevent(packet);

case PacketType.ACK:
this.onack(packet);
break;
case PacketType.BINARY_ACK:

@@ -341,3 +343,2 @@ this.onack(packet);

this.connected = true;
this.disconnected = false;
this.emitBuffered();

@@ -354,3 +355,6 @@ this.emitReserved("connect");

this.receiveBuffer = [];
this.sendBuffer.forEach((packet) => this.packet(packet));
this.sendBuffer.forEach((packet) => {
this.notifyOutgoingListeners(packet);
this.packet(packet);
});
this.sendBuffer = [];

@@ -509,2 +513,106 @@ }

}
/**
* Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the
* callback.
*
* @param listener
*
* <pre><code>
*
* socket.onAnyOutgoing((event, ...args) => {
* console.log(event);
* });
*
* </pre></code>
*
* @public
*/
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.
*
* @param listener
*
* <pre><code>
*
* socket.prependAnyOutgoing((event, ...args) => {
* console.log(event);
* });
*
* </pre></code>
*
* @public
*/
prependAnyOutgoing(listener) {
this._anyOutgoingListeners = this._anyOutgoingListeners || [];
this._anyOutgoingListeners.unshift(listener);
return this;
}
/**
* Removes the listener that will be fired when any event is emitted.
*
* @param listener
*
* <pre><code>
*
* const handler = (event, ...args) => {
* console.log(event);
* }
*
* socket.onAnyOutgoing(handler);
*
* // then later
* socket.offAnyOutgoing(handler);
*
* </pre></code>
*
* @public
*/
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.
*
* @public
*/
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);
}
}
}
}

4

build/esm-debug/url.js

@@ -1,2 +0,2 @@

import parseuri from "parseuri";
import { parse } from "engine.io-client";
import debugModule from "debug"; // debug()

@@ -40,3 +40,3 @@ const debug = debugModule("socket.io-client:url"); // debug()

debug("parse %s", uri);
obj = parseuri(uri);
obj = parse(uri);
}

@@ -43,0 +43,0 @@ // make sure we treat `localhost:80` and `localhost` equally

4

build/esm/manager.d.ts
import { Socket as Engine, SocketOptions as EngineOptions } from "engine.io-client";
import { Socket, SocketOptions } from "./socket.js";
import { Socket, SocketOptions, DisconnectDescription } from "./socket.js";
import { Packet } from "socket.io-parser";

@@ -67,3 +67,3 @@ import { DefaultEventsMap, EventsMap, Emitter } from "@socket.io/component-emitter";

packet: (packet: Packet) => void;
close: (reason: string) => void;
close: (reason: string, description?: DisconnectDescription) => void;
reconnect_failed: () => void;

@@ -70,0 +70,0 @@ reconnect_attempt: (attempt: number) => void;

6

build/esm/manager.js

@@ -5,3 +5,3 @@ import { Socket as Engine, installTimerFunctions, } from "engine.io-client";

import { on } from "./on.js";
import Backoff from "backo2";
import { Backoff } from "./contrib/backo2.js";
import { Emitter, } from "@socket.io/component-emitter";

@@ -288,7 +288,7 @@ export class Manager extends Emitter {

*/
onclose(reason) {
onclose(reason, description) {
this.cleanup();
this.backoff.reset();
this._readyState = "closed";
this.emitReserved("close", reason);
this.emitReserved("close", reason, description);
if (this._reconnection && !this.skipReconnect) {

@@ -295,0 +295,0 @@ this.reconnect();

83

build/esm/socket.d.ts

@@ -12,6 +12,10 @@ import { Packet } from "socket.io-parser";

}
export declare type DisconnectDescription = Error | {
description: string;
context?: CloseEvent | XMLHttpRequest;
};
interface SocketReservedEvents {
connect: () => void;
connect_error: (err: Error) => void;
disconnect: (reason: Socket.DisconnectReason) => void;
disconnect: (reason: Socket.DisconnectReason, description?: DisconnectDescription) => void;
}

@@ -22,3 +26,2 @@ export declare class Socket<ListenEvents extends EventsMap = DefaultEventsMap, EmitEvents extends EventsMap = ListenEvents> extends Emitter<ListenEvents, EmitEvents, SocketReservedEvents> {

connected: boolean;
disconnected: boolean;
auth: {

@@ -35,2 +38,3 @@ [key: string]: any;

private _anyListeners;
private _anyOutgoingListeners;
/**

@@ -43,2 +47,6 @@ * `Socket` constructor.

/**
* Whether the socket is currently disconnected
*/
get disconnected(): boolean;
/**
* Subscribe to open, close and packet events

@@ -106,2 +114,3 @@ *

* @param reason
* @param description
* @private

@@ -240,2 +249,72 @@ */

listenersAny(): ((...args: any[]) => void)[];
/**
* Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the
* callback.
*
* @param listener
*
* <pre><code>
*
* socket.onAnyOutgoing((event, ...args) => {
* console.log(event);
* });
*
* </pre></code>
*
* @public
*/
onAnyOutgoing(listener: (...args: any[]) => void): 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.
*
* @param listener
*
* <pre><code>
*
* socket.prependAnyOutgoing((event, ...args) => {
* console.log(event);
* });
*
* </pre></code>
*
* @public
*/
prependAnyOutgoing(listener: (...args: any[]) => void): this;
/**
* Removes the listener that will be fired when any event is emitted.
*
* @param listener
*
* <pre><code>
*
* const handler = (event, ...args) => {
* console.log(event);
* }
*
* socket.onAnyOutgoing(handler);
*
* // then later
* socket.offAnyOutgoing(handler);
*
* </pre></code>
*
* @public
*/
offAnyOutgoing(listener?: (...args: any[]) => void): 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.
*
* @public
*/
listenersAnyOutgoing(): ((...args: any[]) => void)[];
/**
* Notify the listeners for each packet sent
*
* @param packet
*
* @private
*/
private notifyOutgoingListeners;
}

@@ -242,0 +321,0 @@ export declare namespace Socket {

128

build/esm/socket.js

@@ -26,3 +26,2 @@ import { PacketType } from "socket.io-parser";

this.connected = false;
this.disconnected = true;
this.receiveBuffer = [];

@@ -42,2 +41,8 @@ this.sendBuffer = [];

/**
* Whether the socket is currently disconnected
*/
get disconnected() {
return !this.connected;
}
/**
* Subscribe to open, close and packet events

@@ -128,2 +133,3 @@ *

else if (this.connected) {
this.notifyOutgoingListeners(packet);
this.packet(packet);

@@ -202,9 +208,9 @@ }

* @param reason
* @param description
* @private
*/
onclose(reason) {
onclose(reason, description) {
this.connected = false;
this.disconnected = true;
delete this.id;
this.emitReserved("disconnect", reason);
this.emitReserved("disconnect", reason, description);
}

@@ -232,4 +238,2 @@ /**

case PacketType.EVENT:
this.onevent(packet);
break;
case PacketType.BINARY_EVENT:

@@ -239,4 +243,2 @@ this.onevent(packet);

case PacketType.ACK:
this.onack(packet);
break;
case PacketType.BINARY_ACK:

@@ -327,3 +329,2 @@ this.onack(packet);

this.connected = true;
this.disconnected = false;
this.emitBuffered();

@@ -340,3 +341,6 @@ this.emitReserved("connect");

this.receiveBuffer = [];
this.sendBuffer.forEach((packet) => this.packet(packet));
this.sendBuffer.forEach((packet) => {
this.notifyOutgoingListeners(packet);
this.packet(packet);
});
this.sendBuffer = [];

@@ -493,2 +497,106 @@ }

}
/**
* Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the
* callback.
*
* @param listener
*
* <pre><code>
*
* socket.onAnyOutgoing((event, ...args) => {
* console.log(event);
* });
*
* </pre></code>
*
* @public
*/
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.
*
* @param listener
*
* <pre><code>
*
* socket.prependAnyOutgoing((event, ...args) => {
* console.log(event);
* });
*
* </pre></code>
*
* @public
*/
prependAnyOutgoing(listener) {
this._anyOutgoingListeners = this._anyOutgoingListeners || [];
this._anyOutgoingListeners.unshift(listener);
return this;
}
/**
* Removes the listener that will be fired when any event is emitted.
*
* @param listener
*
* <pre><code>
*
* const handler = (event, ...args) => {
* console.log(event);
* }
*
* socket.onAnyOutgoing(handler);
*
* // then later
* socket.offAnyOutgoing(handler);
*
* </pre></code>
*
* @public
*/
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.
*
* @public
*/
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);
}
}
}
}

4

build/esm/url.js

@@ -1,2 +0,2 @@

import parseuri from "parseuri";
import { parse } from "engine.io-client";
/**

@@ -36,3 +36,3 @@ * URL parser.

// parse
obj = parseuri(uri);
obj = parse(uri);
}

@@ -39,0 +39,0 @@ // make sure we treat `localhost:80` and `localhost` equally

4

dist/socket.io.esm.min.js
/*!
* Socket.IO v4.4.1
* Socket.IO v4.5.0
* (c) 2014-2022 Guillermo Rauch
* Released under the MIT License.
*/
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s=0;s<t.length;s++)t[s]=rt(t[s],e);else if("object"==typeof t)for(const s in t)t.hasOwnProperty(s)&&(t[s]=rt(t[s],e));return t}const it=5;var ot;!function(t){t[t.CONNECT=0]="CONNECT",t[t.DISCONNECT=1]="DISCONNECT",t[t.EVENT=2]="EVENT",t[t.ACK=3]="ACK",t[t.CONNECT_ERROR=4]="CONNECT_ERROR",t[t.BINARY_EVENT=5]="BINARY_EVENT",t[t.BINARY_ACK=6]="BINARY_ACK"}(ot||(ot={}));class at extends u{constructor(){super()}add(t){let e;if("string"==typeof t)e=this.decodeString(t),e.type===ot.BINARY_EVENT||e.type===ot.BINARY_ACK?(this.reconstructor=new ht(e),0===e.attachments&&super.emitReserved("decoded",e)):super.emitReserved("decoded",e);else{if(!Z(t)&&!t.base64)throw new Error("Unknown type: "+t);if(!this.reconstructor)throw new Error("got binary data when not reconstructing a packet");e=this.reconstructor.takeBinaryData(t),e&&(this.reconstructor=null,super.emitReserved("decoded",e))}}decodeString(t){let e=0;const s={type:Number(t.charAt(0))};if(void 0===ot[s.type])throw new Error("unknown packet type "+s.type);if(s.type===ot.BINARY_EVENT||s.type===ot.BINARY_ACK){const n=e+1;for(;"-"!==t.charAt(++e)&&e!=t.length;);const r=t.substring(n,e);if(r!=Number(r)||"-"!==t.charAt(e))throw new Error("Illegal attachments");s.attachments=Number(r)}if("/"===t.charAt(e+1)){const n=e+1;for(;++e;){if(","===t.charAt(e))break;if(e===t.length)break}s.nsp=t.substring(n,e)}else s.nsp="/";const n=t.charAt(e+1);if(""!==n&&Number(n)==n){const n=e+1;for(;++e;){const s=t.charAt(e);if(null==s||Number(s)!=s){--e;break}if(e===t.length)break}s.id=Number(t.substring(n,e+1))}if(t.charAt(++e)){const n=function(t){try{return JSON.parse(t)}catch(t){return!1}}(t.substr(e));if(!at.isPayloadValid(s.type,n))throw new Error("invalid payload");s.data=n}return s}static isPayloadValid(t,e){switch(t){case ot.CONNECT:return"object"==typeof e;case ot.DISCONNECT:return void 0===e;case ot.CONNECT_ERROR:return"string"==typeof e||"object"==typeof e;case ot.EVENT:case ot.BINARY_EVENT:return Array.isArray(e)&&e.length>0;case ot.ACK:case ot.BINARY_ACK:return Array.isArray(e)}}destroy(){this.reconstructor&&this.reconstructor.finishedReconstruction()}}class ht{constructor(t){this.packet=t,this.buffers=[],this.reconPack=t}takeBinaryData(t){if(this.buffers.push(t),this.buffers.length===this.reconPack.attachments){const t=nt(this.reconPack,this.buffers);return this.finishedReconstruction(),t}return null}finishedReconstruction(){this.reconPack=null,this.buffers=[]}}var ct=Object.freeze({__proto__:null,protocol:5,get PacketType(){return ot},Encoder:class{encode(t){return t.type!==ot.EVENT&&t.type!==ot.ACK||!tt(t)?[this.encodeAsString(t)]:(t.type=t.type===ot.EVENT?ot.BINARY_EVENT:ot.BINARY_ACK,this.encodeAsBinary(t))}encodeAsString(t){let e=""+t.type;return t.type!==ot.BINARY_EVENT&&t.type!==ot.BINARY_ACK||(e+=t.attachments+"-"),t.nsp&&"/"!==t.nsp&&(e+=t.nsp+","),null!=t.id&&(e+=t.id),null!=t.data&&(e+=JSON.stringify(t.data)),e}encodeAsBinary(t){const e=et(t),s=this.encodeAsString(e.packet),n=e.buffers;return n.unshift(s),n}},Decoder:at});function pt(t,e,s){return t.on(e,s),function(){t.off(e,s)}}const ut=Object.freeze({connect:1,connect_error:1,disconnect:1,disconnecting:1,newListener:1,removeListener:1});class lt extends u{constructor(t,e,s){super(),this.connected=!1,this.disconnected=!0,this.receiveBuffer=[],this.sendBuffer=[],this.ids=0,this.acks={},this.flags={},this.io=t,this.nsp=e,s&&s.auth&&(this.auth=s.auth),this.io._autoConnect&&this.open()}subEvents(){if(this.subs)return;const t=this.io;this.subs=[pt(t,"open",this.onopen.bind(this)),pt(t,"packet",this.onpacket.bind(this)),pt(t,"error",this.onerror.bind(this)),pt(t,"close",this.onclose.bind(this))]}get active(){return!!this.subs}connect(){return this.connected||(this.subEvents(),this.io._reconnecting||this.io.open(),"open"===this.io._readyState&&this.onopen()),this}open(){return this.connect()}send(...t){return t.unshift("message"),this.emit.apply(this,t),this}emit(t,...e){if(ut.hasOwnProperty(t))throw new Error('"'+t+'" is a reserved event name');e.unshift(t);const s={type:ot.EVENT,data:e,options:{}};if(s.options.compress=!1!==this.flags.compress,"function"==typeof e[e.length-1]){const t=this.ids++,n=e.pop();this._registerAckCallback(t,n),s.id=t}const n=this.io.engine&&this.io.engine.transport&&this.io.engine.transport.writable;return this.flags.volatile&&(!n||!this.connected)||(this.connected?this.packet(s):this.sendBuffer.push(s)),this.flags={},this}_registerAckCallback(t,e){const s=this.flags.timeout;if(void 0===s)return void(this.acks[t]=e);const n=this.io.setTimeoutFn((()=>{delete this.acks[t];for(let e=0;e<this.sendBuffer.length;e++)this.sendBuffer[e].id===t&&this.sendBuffer.splice(e,1);e.call(this,new Error("operation has timed out"))}),s);this.acks[t]=(...t)=>{this.io.clearTimeoutFn(n),e.apply(this,[null,...t])}}packet(t){t.nsp=this.nsp,this.io._packet(t)}onopen(){"function"==typeof this.auth?this.auth((t=>{this.packet({type:ot.CONNECT,data:t})})):this.packet({type:ot.CONNECT,data:this.auth})}onerror(t){this.connected||this.emitReserved("connect_error",t)}onclose(t){this.connected=!1,this.disconnected=!0,delete this.id,this.emitReserved("disconnect",t)}onpacket(t){if(t.nsp===this.nsp)switch(t.type){case ot.CONNECT:if(t.data&&t.data.sid){const e=t.data.sid;this.onconnect(e)}else this.emitReserved("connect_error",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 ot.EVENT:case ot.BINARY_EVENT:this.onevent(t);break;case ot.ACK:case ot.BINARY_ACK:this.onack(t);break;case ot.DISCONNECT:this.ondisconnect();break;case ot.CONNECT_ERROR:this.destroy();const e=new Error(t.data.message);e.data=t.data.data,this.emitReserved("connect_error",e)}}onevent(t){const e=t.data||[];null!=t.id&&e.push(this.ack(t.id)),this.connected?this.emitEvent(e):this.receiveBuffer.push(Object.freeze(e))}emitEvent(t){if(this._anyListeners&&this._anyListeners.length){const e=this._anyListeners.slice();for(const s of e)s.apply(this,t)}super.emit.apply(this,t)}ack(t){const e=this;let s=!1;return function(...n){s||(s=!0,e.packet({type:ot.ACK,id:t,data:n}))}}onack(t){const e=this.acks[t.id];"function"==typeof e&&(e.apply(this,t.data),delete this.acks[t.id])}onconnect(t){this.id=t,this.connected=!0,this.disconnected=!1,this.emitBuffered(),this.emitReserved("connect")}emitBuffered(){this.receiveBuffer.forEach((t=>this.emitEvent(t))),this.receiveBuffer=[],this.sendBuffer.forEach((t=>this.packet(t))),this.sendBuffer=[]}ondisconnect(){this.destroy(),this.onclose("io server disconnect")}destroy(){this.subs&&(this.subs.forEach((t=>t())),this.subs=void 0),this.io._destroy(this)}disconnect(){return this.connected&&this.packet({type:ot.DISCONNECT}),this.destroy(),this.connected&&this.onclose("io client disconnect"),this}close(){return this.disconnect()}compress(t){return this.flags.compress=t,this}get volatile(){return this.flags.volatile=!0,this}timeout(t){return this.flags.timeout=t,this}onAny(t){return this._anyListeners=this._anyListeners||[],this._anyListeners.push(t),this}prependAny(t){return this._anyListeners=this._anyListeners||[],this._anyListeners.unshift(t),this}offAny(t){if(!this._anyListeners)return this;if(t){const e=this._anyListeners;for(let s=0;s<e.length;s++)if(t===e[s])return e.splice(s,1),this}else this._anyListeners=[];return this}listenersAny(){return this._anyListeners||[]}}var dt=ft;function ft(t){t=t||{},this.ms=t.min||100,this.max=t.max||1e4,this.factor=t.factor||2,this.jitter=t.jitter>0&&t.jitter<=1?t.jitter:0,this.attempts=0}ft.prototype.duration=function(){var t=this.ms*Math.pow(this.factor,this.attempts++);if(this.jitter){var e=Math.random(),s=Math.floor(e*this.jitter*t);t=0==(1&Math.floor(10*e))?t-s:t+s}return 0|Math.min(t,this.max)},ft.prototype.reset=function(){this.attempts=0},ft.prototype.setMin=function(t){this.ms=t},ft.prototype.setMax=function(t){this.max=t},ft.prototype.setJitter=function(t){this.jitter=t};class yt extends u{constructor(t,e){var s;super(),this.nsps={},this.subs=[],t&&"object"==typeof t&&(e=t,t=void 0),(e=e||{}).path=e.path||"/socket.io",this.opts=e,p(this,e),this.reconnection(!1!==e.reconnection),this.reconnectionAttempts(e.reconnectionAttempts||1/0),this.reconnectionDelay(e.reconnectionDelay||1e3),this.reconnectionDelayMax(e.reconnectionDelayMax||5e3),this.randomizationFactor(null!==(s=e.randomizationFactor)&&void 0!==s?s:.5),this.backoff=new dt({min:this.reconnectionDelay(),max:this.reconnectionDelayMax(),jitter:this.randomizationFactor()}),this.timeout(null==e.timeout?2e4:e.timeout),this._readyState="closed",this.uri=t;const n=e.parser||ct;this.encoder=new n.Encoder,this.decoder=new n.Decoder,this._autoConnect=!1!==e.autoConnect,this._autoConnect&&this.open()}reconnection(t){return arguments.length?(this._reconnection=!!t,this):this._reconnection}reconnectionAttempts(t){return void 0===t?this._reconnectionAttempts:(this._reconnectionAttempts=t,this)}reconnectionDelay(t){var e;return void 0===t?this._reconnectionDelay:(this._reconnectionDelay=t,null===(e=this.backoff)||void 0===e||e.setMin(t),this)}randomizationFactor(t){var e;return void 0===t?this._randomizationFactor:(this._randomizationFactor=t,null===(e=this.backoff)||void 0===e||e.setJitter(t),this)}reconnectionDelayMax(t){var e;return void 0===t?this._reconnectionDelayMax:(this._reconnectionDelayMax=t,null===(e=this.backoff)||void 0===e||e.setMax(t),this)}timeout(t){return arguments.length?(this._timeout=t,this):this._timeout}maybeReconnectOnOpen(){!this._reconnecting&&this._reconnection&&0===this.backoff.attempts&&this.reconnect()}open(t){if(~this._readyState.indexOf("open"))return this;this.engine=new $(this.uri,this.opts);const e=this.engine,s=this;this._readyState="opening",this.skipReconnect=!1;const n=pt(e,"open",(function(){s.onopen(),t&&t()})),r=pt(e,"error",(e=>{s.cleanup(),s._readyState="closed",this.emitReserved("error",e),t?t(e):s.maybeReconnectOnOpen()}));if(!1!==this._timeout){const t=this._timeout;0===t&&n();const s=this.setTimeoutFn((()=>{n(),e.close(),e.emit("error",new Error("timeout"))}),t);this.opts.autoUnref&&s.unref(),this.subs.push((function(){clearTimeout(s)}))}return this.subs.push(n),this.subs.push(r),this}connect(t){return this.open(t)}onopen(){this.cleanup(),this._readyState="open",this.emitReserved("open");const t=this.engine;this.subs.push(pt(t,"ping",this.onping.bind(this)),pt(t,"data",this.ondata.bind(this)),pt(t,"error",this.onerror.bind(this)),pt(t,"close",this.onclose.bind(this)),pt(this.decoder,"decoded",this.ondecoded.bind(this)))}onping(){this.emitReserved("ping")}ondata(t){this.decoder.add(t)}ondecoded(t){this.emitReserved("packet",t)}onerror(t){this.emitReserved("error",t)}socket(t,e){let s=this.nsps[t];return s||(s=new lt(this,t,e),this.nsps[t]=s),s}_destroy(t){const e=Object.keys(this.nsps);for(const t of e){if(this.nsps[t].active)return}this._close()}_packet(t){const e=this.encoder.encode(t);for(let s=0;s<e.length;s++)this.engine.write(e[s],t.options)}cleanup(){this.subs.forEach((t=>t())),this.subs.length=0,this.decoder.destroy()}_close(){this.skipReconnect=!0,this._reconnecting=!1,this.onclose("forced close"),this.engine&&this.engine.close()}disconnect(){return this._close()}onclose(t){this.cleanup(),this.backoff.reset(),this._readyState="closed",this.emitReserved("close",t),this._reconnection&&!this.skipReconnect&&this.reconnect()}reconnect(){if(this._reconnecting||this.skipReconnect)return this;const t=this;if(this.backoff.attempts>=this._reconnectionAttempts)this.backoff.reset(),this.emitReserved("reconnect_failed"),this._reconnecting=!1;else{const e=this.backoff.duration();this._reconnecting=!0;const s=this.setTimeoutFn((()=>{t.skipReconnect||(this.emitReserved("reconnect_attempt",t.backoff.attempts),t.skipReconnect||t.open((e=>{e?(t._reconnecting=!1,t.reconnect(),this.emitReserved("reconnect_error",e)):t.onreconnect()})))}),e);this.opts.autoUnref&&s.unref(),this.subs.push((function(){clearTimeout(s)}))}}onreconnect(){const t=this.backoff.attempts;this._reconnecting=!1,this.backoff.reset(),this.emitReserved("reconnect",t)}}const mt={};function gt(t,e){"object"==typeof t&&(e=t,t=void 0);const n=function(t,e="",n){let r=t;n=n||"undefined"!=typeof location&&location,null==t&&(t=n.protocol+"//"+n.host),"string"==typeof t&&("/"===t.charAt(0)&&(t="/"===t.charAt(1)?n.protocol+t:n.host+t),/^(https?|wss?):\/\//.test(t)||(t=void 0!==n?n.protocol+"//"+t:"https://"+t),r=s(t)),r.port||(/^(http|ws)$/.test(r.protocol)?r.port="80":/^(http|ws)s$/.test(r.protocol)&&(r.port="443")),r.path=r.path||"/";const i=-1!==r.host.indexOf(":")?"["+r.host+"]":r.host;return r.id=r.protocol+"://"+i+":"+r.port+e,r.href=r.protocol+"://"+i+(n&&n.port===r.port?"":":"+r.port),r}(t,(e=e||{}).path||"/socket.io"),r=n.source,i=n.id,o=n.path,a=mt[i]&&o in mt[i].nsps;let h;return e.forceNew||e["force new connection"]||!1===e.multiplex||a?h=new yt(r,e):(mt[i]||(mt[i]=new yt(r,e)),h=mt[i]),n.query&&!e.query&&(e.query=n.queryKey),h.socket(n.path,e)}Object.assign(gt,{Manager:yt,Socket:lt,io:gt,connect:gt});export{yt as Manager,lt as Socket,gt as connect,gt as default,gt as io,it as protocol};
const t=Object.create(null);t.open="0",t.close="1",t.ping="2",t.pong="3",t.message="4",t.upgrade="5",t.noop="6";const e=Object.create(null);Object.keys(t).forEach((s=>{e[t[s]]=s}));const s={type:"error",data:"parser error"},n="function"==typeof Blob||"undefined"!=typeof Blob&&"[object BlobConstructor]"===Object.prototype.toString.call(Blob),i="function"==typeof ArrayBuffer,r=({type:e,data:s},r,a)=>{return n&&s instanceof Blob?r?a(s):o(s,a):i&&(s instanceof ArrayBuffer||(h=s,"function"==typeof ArrayBuffer.isView?ArrayBuffer.isView(h):h&&h.buffer instanceof ArrayBuffer))?r?a(s):o(new Blob([s]),a):a(t[e]+(s||""));var h},o=(t,e)=>{const s=new FileReader;return s.onload=function(){const t=s.result.split(",")[1];e("b"+t)},s.readAsDataURL(t)};for(var a="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/",h="undefined"==typeof Uint8Array?[]:new Uint8Array(256),c=0;c<a.length;c++)h[a.charCodeAt(c)]=c;const p="function"==typeof ArrayBuffer,u=(t,n)=>{if("string"!=typeof 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s(){this.off(t,s),e.apply(this,arguments)}return s.fn=e,this.on(t,s),this},y.prototype.off=y.prototype.removeListener=y.prototype.removeAllListeners=y.prototype.removeEventListener=function(t,e){if(this._callbacks=this._callbacks||{},0==arguments.length)return this._callbacks={},this;var s,n=this._callbacks["$"+t];if(!n)return this;if(1==arguments.length)return delete this._callbacks["$"+t],this;for(var i=0;i<n.length;i++)if((s=n[i])===e||s.fn===e){n.splice(i,1);break}return 0===n.length&&delete this._callbacks["$"+t],this},y.prototype.emit=function(t){this._callbacks=this._callbacks||{};for(var e=new Array(arguments.length-1),s=this._callbacks["$"+t],n=1;n<arguments.length;n++)e[n-1]=arguments[n];if(s){n=0;for(var i=(s=s.slice(0)).length;n<i;++n)s[n].apply(this,e)}return this},y.prototype.emitReserved=y.prototype.emit,y.prototype.listeners=function(t){return this._callbacks=this._callbacks||{},this._callbacks["$"+t]||[]},y.prototype.hasListeners=function(t){return!!this.listeners(t).length};var g="undefined"!=typeof self?self:"undefined"!=typeof window?window:Function("return this")();function m(t,...e){return e.reduce(((e,s)=>(t.hasOwnProperty(s)&&(e[s]=t[s]),e)),{})}const b=setTimeout,v=clearTimeout;function k(t,e){e.useNativeTimers?(t.setTimeoutFn=b.bind(g),t.clearTimeoutFn=v.bind(g)):(t.setTimeoutFn=setTimeout.bind(g),t.clearTimeoutFn=clearTimeout.bind(g))}class w extends Error{constructor(t,e,s){super(t),this.description=e,this.context=s,this.type="TransportError"}}class _ extends y{constructor(t){super(),this.writable=!1,k(this,t),this.opts=t,this.query=t.query,this.readyState="",this.socket=t.socket}onError(t,e,s){return super.emitReserved("error",new 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error");e.code=t.data,this.onError(e);break;case"message":this.emitReserved("data",t.data),this.emitReserved("message",t.data)}}onHandshake(t){this.emitReserved("handshake",t),this.id=t.sid,this.transport.query.sid=t.sid,this.upgrades=this.filterUpgrades(t.upgrades),this.pingInterval=t.pingInterval,this.pingTimeout=t.pingTimeout,this.maxPayload=t.maxPayload,this.onOpen(),"closed"!==this.readyState&&this.resetPingTimeout()}resetPingTimeout(){this.clearTimeoutFn(this.pingTimeoutTimer),this.pingTimeoutTimer=this.setTimeoutFn((()=>{this.onClose("ping timeout")}),this.pingInterval+this.pingTimeout),this.opts.autoUnref&&this.pingTimeoutTimer.unref()}onDrain(){this.writeBuffer.splice(0,this.prevBufferLen),this.prevBufferLen=0,0===this.writeBuffer.length?this.emitReserved("drain"):this.flush()}flush(){if("closed"!==this.readyState&&this.transport.writable&&!this.upgrading&&this.writeBuffer.length){const t=this.getWritablePackets();this.transport.send(t),this.prevBufferLen=t.length,this.emitReserved("flush")}}getWritablePackets(){if(!(this.maxPayload&&"polling"===this.transport.name&&this.writeBuffer.length>1))return this.writeBuffer;let t=1;for(let s=0;s<this.writeBuffer.length;s++){const n=this.writeBuffer[s].data;if(n&&(t+="string"==typeof(e=n)?function(t){let e=0,s=0;for(let n=0,i=t.length;n<i;n++)e=t.charCodeAt(n),e<128?s+=1:e<2048?s+=2:e<55296||e>=57344?s+=3:(n++,s+=4);return s}(e):Math.ceil(1.33*(e.byteLength||e.size))),s>0&&t>this.maxPayload)return this.writeBuffer.slice(0,s);t+=2}var e;return this.writeBuffer}write(t,e,s){return this.sendPacket("message",t,e,s),this}send(t,e,s){return this.sendPacket("message",t,e,s),this}sendPacket(t,e,s,n){if("function"==typeof e&&(n=e,e=void 0),"function"==typeof s&&(n=s,s=null),"closing"===this.readyState||"closed"===this.readyState)return;(s=s||{}).compress=!1!==s.compress;const 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removeEventListener&&removeEventListener("offline",this.offlineEventListener,!1),this.readyState="closed",this.id=null,this.emitReserved("close",t,e),this.writeBuffer=[],this.prevBufferLen=0)}filterUpgrades(t){const e=[];let s=0;const n=t.length;for(;s<n;s++)~this.transports.indexOf(t[s])&&e.push(t[s]);return e}}z.protocol=4;const W="function"==typeof ArrayBuffer,$=Object.prototype.toString,J="function"==typeof Blob||"undefined"!=typeof Blob&&"[object BlobConstructor]"===$.call(Blob),X="function"==typeof File||"undefined"!=typeof File&&"[object FileConstructor]"===$.call(File);function G(t){return W&&(t instanceof ArrayBuffer||(t=>"function"==typeof ArrayBuffer.isView?ArrayBuffer.isView(t):t.buffer instanceof ArrayBuffer)(t))||J&&t instanceof Blob||X&&t instanceof File}function Q(t,e){if(!t||"object"!=typeof t)return!1;if(Array.isArray(t)){for(let e=0,s=t.length;e<s;e++)if(Q(t[e]))return!0;return!1}if(G(t))return!0;if(t.toJSON&&"function"==typeof t.toJSON&&1===arguments.length)return Q(t.toJSON(),!0);for(const e in t)if(Object.prototype.hasOwnProperty.call(t,e)&&Q(t[e]))return!0;return!1}function Z(t){const e=[],s=t.data,n=t;return n.data=tt(s,e),n.attachments=e.length,{packet:n,buffers:e}}function tt(t,e){if(!t)return t;if(G(t)){const s={_placeholder:!0,num:e.length};return e.push(t),s}if(Array.isArray(t)){const s=new Array(t.length);for(let n=0;n<t.length;n++)s[n]=tt(t[n],e);return s}if("object"==typeof t&&!(t instanceof Date)){const s={};for(const n in t)Object.prototype.hasOwnProperty.call(t,n)&&(s[n]=tt(t[n],e));return s}return t}function et(t,e){return t.data=st(t.data,e),t.attachments=void 0,t}function st(t,e){if(!t)return t;if(t&&t._placeholder)return e[t.num];if(Array.isArray(t))for(let s=0;s<t.length;s++)t[s]=st(t[s],e);else if("object"==typeof t)for(const s in t)Object.prototype.hasOwnProperty.call(t,s)&&(t[s]=st(t[s],e));return t}const nt=5;var it;!function(t){t[t.CONNECT=0]="CONNECT",t[t.DISCONNECT=1]="DISCONNECT",t[t.EVENT=2]="EVENT",t[t.ACK=3]="ACK",t[t.CONNECT_ERROR=4]="CONNECT_ERROR",t[t.BINARY_EVENT=5]="BINARY_EVENT",t[t.BINARY_ACK=6]="BINARY_ACK"}(it||(it={}));class rt extends y{constructor(t){super(),this.reviver=t}add(t){let e;if("string"==typeof t)e=this.decodeString(t),e.type===it.BINARY_EVENT||e.type===it.BINARY_ACK?(this.reconstructor=new ot(e),0===e.attachments&&super.emitReserved("decoded",e)):super.emitReserved("decoded",e);else{if(!G(t)&&!t.base64)throw new Error("Unknown type: "+t);if(!this.reconstructor)throw new Error("got binary data when not reconstructing a packet");e=this.reconstructor.takeBinaryData(t),e&&(this.reconstructor=null,super.emitReserved("decoded",e))}}decodeString(t){let e=0;const s={type:Number(t.charAt(0))};if(void 0===it[s.type])throw new Error("unknown packet type "+s.type);if(s.type===it.BINARY_EVENT||s.type===it.BINARY_ACK){const n=e+1;for(;"-"!==t.charAt(++e)&&e!=t.length;);const i=t.substring(n,e);if(i!=Number(i)||"-"!==t.charAt(e))throw new Error("Illegal attachments");s.attachments=Number(i)}if("/"===t.charAt(e+1)){const n=e+1;for(;++e;){if(","===t.charAt(e))break;if(e===t.length)break}s.nsp=t.substring(n,e)}else s.nsp="/";const n=t.charAt(e+1);if(""!==n&&Number(n)==n){const n=e+1;for(;++e;){const s=t.charAt(e);if(null==s||Number(s)!=s){--e;break}if(e===t.length)break}s.id=Number(t.substring(n,e+1))}if(t.charAt(++e)){const n=this.tryParse(t.substr(e));if(!rt.isPayloadValid(s.type,n))throw new Error("invalid payload");s.data=n}return s}tryParse(t){try{return JSON.parse(t,this.reviver)}catch(t){return!1}}static isPayloadValid(t,e){switch(t){case it.CONNECT:return"object"==typeof e;case it.DISCONNECT:return void 0===e;case it.CONNECT_ERROR:return"string"==typeof e||"object"==typeof e;case it.EVENT:case it.BINARY_EVENT:return Array.isArray(e)&&e.length>0;case it.ACK:case it.BINARY_ACK:return Array.isArray(e)}}destroy(){this.reconstructor&&this.reconstructor.finishedReconstruction()}}class ot{constructor(t){this.packet=t,this.buffers=[],this.reconPack=t}takeBinaryData(t){if(this.buffers.push(t),this.buffers.length===this.reconPack.attachments){const t=et(this.reconPack,this.buffers);return this.finishedReconstruction(),t}return null}finishedReconstruction(){this.reconPack=null,this.buffers=[]}}var at=Object.freeze({__proto__:null,protocol:5,get PacketType(){return it},Encoder:class{constructor(t){this.replacer=t}encode(t){return t.type!==it.EVENT&&t.type!==it.ACK||!Q(t)?[this.encodeAsString(t)]:(t.type=t.type===it.EVENT?it.BINARY_EVENT:it.BINARY_ACK,this.encodeAsBinary(t))}encodeAsString(t){let e=""+t.type;return t.type!==it.BINARY_EVENT&&t.type!==it.BINARY_ACK||(e+=t.attachments+"-"),t.nsp&&"/"!==t.nsp&&(e+=t.nsp+","),null!=t.id&&(e+=t.id),null!=t.data&&(e+=JSON.stringify(t.data,this.replacer)),e}encodeAsBinary(t){const e=Z(t),s=this.encodeAsString(e.packet),n=e.buffers;return n.unshift(s),n}},Decoder:rt});function ht(t,e,s){return t.on(e,s),function(){t.off(e,s)}}const ct=Object.freeze({connect:1,connect_error:1,disconnect:1,disconnecting:1,newListener:1,removeListener:1});class pt extends y{constructor(t,e,s){super(),this.connected=!1,this.receiveBuffer=[],this.sendBuffer=[],this.ids=0,this.acks={},this.flags={},this.io=t,this.nsp=e,s&&s.auth&&(this.auth=s.auth),this.io._autoConnect&&this.open()}get disconnected(){return!this.connected}subEvents(){if(this.subs)return;const t=this.io;this.subs=[ht(t,"open",this.onopen.bind(this)),ht(t,"packet",this.onpacket.bind(this)),ht(t,"error",this.onerror.bind(this)),ht(t,"close",this.onclose.bind(this))]}get active(){return!!this.subs}connect(){return this.connected||(this.subEvents(),this.io._reconnecting||this.io.open(),"open"===this.io._readyState&&this.onopen()),this}open(){return this.connect()}send(...t){return t.unshift("message"),this.emit.apply(this,t),this}emit(t,...e){if(ct.hasOwnProperty(t))throw new Error('"'+t+'" is a reserved event name');e.unshift(t);const s={type:it.EVENT,data:e,options:{}};if(s.options.compress=!1!==this.flags.compress,"function"==typeof e[e.length-1]){const t=this.ids++,n=e.pop();this._registerAckCallback(t,n),s.id=t}const n=this.io.engine&&this.io.engine.transport&&this.io.engine.transport.writable;return this.flags.volatile&&(!n||!this.connected)||(this.connected?(this.notifyOutgoingListeners(s),this.packet(s)):this.sendBuffer.push(s)),this.flags={},this}_registerAckCallback(t,e){const s=this.flags.timeout;if(void 0===s)return void(this.acks[t]=e);const n=this.io.setTimeoutFn((()=>{delete this.acks[t];for(let e=0;e<this.sendBuffer.length;e++)this.sendBuffer[e].id===t&&this.sendBuffer.splice(e,1);e.call(this,new Error("operation has timed out"))}),s);this.acks[t]=(...t)=>{this.io.clearTimeoutFn(n),e.apply(this,[null,...t])}}packet(t){t.nsp=this.nsp,this.io._packet(t)}onopen(){"function"==typeof this.auth?this.auth((t=>{this.packet({type:it.CONNECT,data:t})})):this.packet({type:it.CONNECT,data:this.auth})}onerror(t){this.connected||this.emitReserved("connect_error",t)}onclose(t,e){this.connected=!1,delete this.id,this.emitReserved("disconnect",t,e)}onpacket(t){if(t.nsp===this.nsp)switch(t.type){case it.CONNECT:if(t.data&&t.data.sid){const e=t.data.sid;this.onconnect(e)}else this.emitReserved("connect_error",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 it.EVENT:case it.BINARY_EVENT:this.onevent(t);break;case it.ACK:case it.BINARY_ACK:this.onack(t);break;case it.DISCONNECT:this.ondisconnect();break;case it.CONNECT_ERROR:this.destroy();const e=new Error(t.data.message);e.data=t.data.data,this.emitReserved("connect_error",e)}}onevent(t){const e=t.data||[];null!=t.id&&e.push(this.ack(t.id)),this.connected?this.emitEvent(e):this.receiveBuffer.push(Object.freeze(e))}emitEvent(t){if(this._anyListeners&&this._anyListeners.length){const e=this._anyListeners.slice();for(const s of e)s.apply(this,t)}super.emit.apply(this,t)}ack(t){const e=this;let s=!1;return function(...n){s||(s=!0,e.packet({type:it.ACK,id:t,data:n}))}}onack(t){const e=this.acks[t.id];"function"==typeof e&&(e.apply(this,t.data),delete this.acks[t.id])}onconnect(t){this.id=t,this.connected=!0,this.emitBuffered(),this.emitReserved("connect")}emitBuffered(){this.receiveBuffer.forEach((t=>this.emitEvent(t))),this.receiveBuffer=[],this.sendBuffer.forEach((t=>{this.notifyOutgoingListeners(t),this.packet(t)})),this.sendBuffer=[]}ondisconnect(){this.destroy(),this.onclose("io server disconnect")}destroy(){this.subs&&(this.subs.forEach((t=>t())),this.subs=void 0),this.io._destroy(this)}disconnect(){return this.connected&&this.packet({type:it.DISCONNECT}),this.destroy(),this.connected&&this.onclose("io client disconnect"),this}close(){return this.disconnect()}compress(t){return this.flags.compress=t,this}get volatile(){return this.flags.volatile=!0,this}timeout(t){return this.flags.timeout=t,this}onAny(t){return this._anyListeners=this._anyListeners||[],this._anyListeners.push(t),this}prependAny(t){return this._anyListeners=this._anyListeners||[],this._anyListeners.unshift(t),this}offAny(t){if(!this._anyListeners)return this;if(t){const e=this._anyListeners;for(let s=0;s<e.length;s++)if(t===e[s])return e.splice(s,1),this}else this._anyListeners=[];return this}listenersAny(){return this._anyListeners||[]}onAnyOutgoing(t){return this._anyOutgoingListeners=this._anyOutgoingListeners||[],this._anyOutgoingListeners.push(t),this}prependAnyOutgoing(t){return this._anyOutgoingListeners=this._anyOutgoingListeners||[],this._anyOutgoingListeners.unshift(t),this}offAnyOutgoing(t){if(!this._anyOutgoingListeners)return this;if(t){const e=this._anyOutgoingListeners;for(let s=0;s<e.length;s++)if(t===e[s])return e.splice(s,1),this}else this._anyOutgoingListeners=[];return this}listenersAnyOutgoing(){return this._anyOutgoingListeners||[]}notifyOutgoingListeners(t){if(this._anyOutgoingListeners&&this._anyOutgoingListeners.length){const e=this._anyOutgoingListeners.slice();for(const s of e)s.apply(this,t.data)}}}function ut(t){t=t||{},this.ms=t.min||100,this.max=t.max||1e4,this.factor=t.factor||2,this.jitter=t.jitter>0&&t.jitter<=1?t.jitter:0,this.attempts=0}ut.prototype.duration=function(){var t=this.ms*Math.pow(this.factor,this.attempts++);if(this.jitter){var e=Math.random(),s=Math.floor(e*this.jitter*t);t=0==(1&Math.floor(10*e))?t-s:t+s}return 0|Math.min(t,this.max)},ut.prototype.reset=function(){this.attempts=0},ut.prototype.setMin=function(t){this.ms=t},ut.prototype.setMax=function(t){this.max=t},ut.prototype.setJitter=function(t){this.jitter=t};class lt extends y{constructor(t,e){var s;super(),this.nsps={},this.subs=[],t&&"object"==typeof t&&(e=t,t=void 0),(e=e||{}).path=e.path||"/socket.io",this.opts=e,k(this,e),this.reconnection(!1!==e.reconnection),this.reconnectionAttempts(e.reconnectionAttempts||1/0),this.reconnectionDelay(e.reconnectionDelay||1e3),this.reconnectionDelayMax(e.reconnectionDelayMax||5e3),this.randomizationFactor(null!==(s=e.randomizationFactor)&&void 0!==s?s:.5),this.backoff=new ut({min:this.reconnectionDelay(),max:this.reconnectionDelayMax(),jitter:this.randomizationFactor()}),this.timeout(null==e.timeout?2e4:e.timeout),this._readyState="closed",this.uri=t;const n=e.parser||at;this.encoder=new n.Encoder,this.decoder=new n.Decoder,this._autoConnect=!1!==e.autoConnect,this._autoConnect&&this.open()}reconnection(t){return arguments.length?(this._reconnection=!!t,this):this._reconnection}reconnectionAttempts(t){return void 0===t?this._reconnectionAttempts:(this._reconnectionAttempts=t,this)}reconnectionDelay(t){var e;return void 0===t?this._reconnectionDelay:(this._reconnectionDelay=t,null===(e=this.backoff)||void 0===e||e.setMin(t),this)}randomizationFactor(t){var e;return void 0===t?this._randomizationFactor:(this._randomizationFactor=t,null===(e=this.backoff)||void 0===e||e.setJitter(t),this)}reconnectionDelayMax(t){var e;return void 0===t?this._reconnectionDelayMax:(this._reconnectionDelayMax=t,null===(e=this.backoff)||void 0===e||e.setMax(t),this)}timeout(t){return arguments.length?(this._timeout=t,this):this._timeout}maybeReconnectOnOpen(){!this._reconnecting&&this._reconnection&&0===this.backoff.attempts&&this.reconnect()}open(t){if(~this._readyState.indexOf("open"))return this;this.engine=new z(this.uri,this.opts);const e=this.engine,s=this;this._readyState="opening",this.skipReconnect=!1;const n=ht(e,"open",(function(){s.onopen(),t&&t()})),i=ht(e,"error",(e=>{s.cleanup(),s._readyState="closed",this.emitReserved("error",e),t?t(e):s.maybeReconnectOnOpen()}));if(!1!==this._timeout){const t=this._timeout;0===t&&n();const s=this.setTimeoutFn((()=>{n(),e.close(),e.emit("error",new Error("timeout"))}),t);this.opts.autoUnref&&s.unref(),this.subs.push((function(){clearTimeout(s)}))}return this.subs.push(n),this.subs.push(i),this}connect(t){return this.open(t)}onopen(){this.cleanup(),this._readyState="open",this.emitReserved("open");const t=this.engine;this.subs.push(ht(t,"ping",this.onping.bind(this)),ht(t,"data",this.ondata.bind(this)),ht(t,"error",this.onerror.bind(this)),ht(t,"close",this.onclose.bind(this)),ht(this.decoder,"decoded",this.ondecoded.bind(this)))}onping(){this.emitReserved("ping")}ondata(t){this.decoder.add(t)}ondecoded(t){this.emitReserved("packet",t)}onerror(t){this.emitReserved("error",t)}socket(t,e){let s=this.nsps[t];return s||(s=new pt(this,t,e),this.nsps[t]=s),s}_destroy(t){const e=Object.keys(this.nsps);for(const t of e){if(this.nsps[t].active)return}this._close()}_packet(t){const e=this.encoder.encode(t);for(let s=0;s<e.length;s++)this.engine.write(e[s],t.options)}cleanup(){this.subs.forEach((t=>t())),this.subs.length=0,this.decoder.destroy()}_close(){this.skipReconnect=!0,this._reconnecting=!1,this.onclose("forced close"),this.engine&&this.engine.close()}disconnect(){return this._close()}onclose(t,e){this.cleanup(),this.backoff.reset(),this._readyState="closed",this.emitReserved("close",t,e),this._reconnection&&!this.skipReconnect&&this.reconnect()}reconnect(){if(this._reconnecting||this.skipReconnect)return this;const t=this;if(this.backoff.attempts>=this._reconnectionAttempts)this.backoff.reset(),this.emitReserved("reconnect_failed"),this._reconnecting=!1;else{const e=this.backoff.duration();this._reconnecting=!0;const s=this.setTimeoutFn((()=>{t.skipReconnect||(this.emitReserved("reconnect_attempt",t.backoff.attempts),t.skipReconnect||t.open((e=>{e?(t._reconnecting=!1,t.reconnect(),this.emitReserved("reconnect_error",e)):t.onreconnect()})))}),e);this.opts.autoUnref&&s.unref(),this.subs.push((function(){clearTimeout(s)}))}}onreconnect(){const t=this.backoff.attempts;this._reconnecting=!1,this.backoff.reset(),this.emitReserved("reconnect",t)}}const dt={};function ft(t,e){"object"==typeof t&&(e=t,t=void 0);const s=function(t,e="",s){let n=t;s=s||"undefined"!=typeof location&&location,null==t&&(t=s.protocol+"//"+s.host),"string"==typeof t&&("/"===t.charAt(0)&&(t="/"===t.charAt(1)?s.protocol+t:s.host+t),/^(https?|wss?):\/\//.test(t)||(t=void 0!==s?s.protocol+"//"+t:"https://"+t),n=Y(t)),n.port||(/^(http|ws)$/.test(n.protocol)?n.port="80":/^(http|ws)s$/.test(n.protocol)&&(n.port="443")),n.path=n.path||"/";const i=-1!==n.host.indexOf(":")?"["+n.host+"]":n.host;return n.id=n.protocol+"://"+i+":"+n.port+e,n.href=n.protocol+"://"+i+(s&&s.port===n.port?"":":"+n.port),n}(t,(e=e||{}).path||"/socket.io"),n=s.source,i=s.id,r=s.path,o=dt[i]&&r in dt[i].nsps;let a;return e.forceNew||e["force new connection"]||!1===e.multiplex||o?a=new lt(n,e):(dt[i]||(dt[i]=new lt(n,e)),a=dt[i]),s.query&&!e.query&&(e.query=s.queryKey),a.socket(s.path,e)}Object.assign(ft,{Manager:lt,Socket:pt,io:ft,connect:ft});export{lt as Manager,pt as Socket,ft as connect,ft as default,ft as io,nt as protocol};
//# sourceMappingURL=socket.io.esm.min.js.map

4

dist/socket.io.min.js
/*!
* Socket.IO v4.4.1
* Socket.IO v4.5.0
* (c) 2014-2022 Guillermo Rauch
* Released under the MIT License.
*/
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document&&(this.index=o.requestsCount++,o.requests[this.index]=this)}},{key:"onSuccess",value:function(){this.emit("success"),this.cleanup()}},{key:"onData",value:function(t){this.emit("data",t),this.onSuccess()}},{key:"onError",value:function(t){this.emit("error",t),this.cleanup(!0)}},{key:"cleanup",value:function(t){if(void 0!==this.xhr&&null!==this.xhr){if(this.xhr.onreadystatechange=Z,t)try{this.xhr.abort()}catch(t){}"undefined"!=typeof document&&delete o.requests[this.index],this.xhr=null}}},{key:"onLoad",value:function(){var t=this.xhr.responseText;null!==t&&this.onData(t)}},{key:"abort",value:function(){this.cleanup()}}]),o}(R);if(nt.requestsCount=0,nt.requests={},"undefined"!=typeof document)if("function"==typeof attachEvent)attachEvent("onunload",rt);else if("function"==typeof addEventListener){addEventListener("onpagehide"in k?"pagehide":"unload",rt,!1)}function rt(){for(var t in nt.requests)nt.requests.hasOwnProperty(t)&&nt.requests[t].abort()}var ot="function"==typeof Promise&&"function"==typeof Promise.resolve?function(t){return Promise.resolve().then(t)}:function(t,e){return e(t,0)},it=k.WebSocket||k.MozWebSocket,st="undefined"!=typeof navigator&&"string"==typeof navigator.product&&"reactnative"===navigator.product.toLowerCase(),at=function(t){i(o,t);var n=h(o);function o(t){var r;return e(this,o),(r=n.call(this,t)).supportsBinary=!t.forceBase64,r}return r(o,[{key:"name",get:function(){return"websocket"}},{key:"doOpen",value:function(){if(this.check()){var t=this.uri(),e=this.opts.protocols,n=st?{}:w(this.opts,"agent","perMessageDeflate","pfx","key","passphrase","cert","ca","ciphers","rejectUnauthorized","localAddress","protocolVersion","origin","maxPayload","family","checkServerIdentity");this.opts.extraHeaders&&(n.headers=this.opts.extraHeaders);try{this.ws=st?new it(t,e,n):e?new it(t,e):new it(t)}catch(t){return 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t=this.query||{},e=this.opts.secure?"wss":"ws",n="";this.opts.port&&("wss"===e&&443!==Number(this.opts.port)||"ws"===e&&80!==Number(this.opts.port))&&(n=":"+this.opts.port),this.opts.timestampRequests&&(t[this.opts.timestampParam]=X()),this.supportsBinary||(t.b64=1);var r=G.encode(t);return e+"://"+(-1!==this.opts.hostname.indexOf(":")?"["+this.opts.hostname+"]":this.opts.hostname)+n+this.opts.path+(r.length?"?"+r:"")}},{key:"check",value:function(){return!(!it||"__initialize"in it&&this.name===o.prototype.name)}}]),o}(H),ct={websocket:at,polling:et},ut=function(n){i(a,n);var s=h(a);function a(n){var r,i=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return e(this,a),r=s.call(this),n&&"object"===t(n)&&(i=n,n=null),n?(n=v(n),i.hostname=n.host,i.secure="https"===n.protocol||"wss"===n.protocol,i.port=n.port,n.query&&(i.query=n.query)):i.host&&(i.hostname=v(i.host).host),A(c(r),i),r.secure=null!=i.secure?i.secure:"undefined"!=typeof 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addEventListener&&(r.opts.closeOnBeforeunload&&addEventListener("beforeunload",(function(){r.transport&&(r.transport.removeAllListeners(),r.transport.close())}),!1),"localhost"!==r.hostname&&(r.offlineEventListener=function(){r.onClose("transport close")},addEventListener("offline",r.offlineEventListener,!1))),r.open(),r}return r(a,[{key:"createTransport",value:function(t){var e=function(t){var e={};for(var n in t)t.hasOwnProperty(n)&&(e[n]=t[n]);return e}(this.opts.query);e.EIO=4,e.transport=t,this.id&&(e.sid=this.id);var n=o({},this.opts.transportOptions[t],this.opts,{query:e,socket:this,hostname:this.hostname,secure:this.secure,port:this.port});return new ct[t](n)}},{key:"open",value:function(){var t,e=this;if(this.opts.rememberUpgrade&&a.priorWebsocketSuccess&&-1!==this.transports.indexOf("websocket"))t="websocket";else{if(0===this.transports.length)return void this.setTimeoutFn((function(){e.emitReserved("error","No transports 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Error("probe error");o.transport=n.name,e.emitReserved("upgradeError",o)}})))};function i(){r||(r=!0,f(),n.close(),n=null)}var s=function(t){var r=new Error("probe error: "+t);r.transport=n.name,i(),e.emitReserved("upgradeError",r)};function c(){s("transport closed")}function u(){s("socket closed")}function h(t){n&&t.name!==n.name&&i()}var f=function(){n.removeListener("open",o),n.removeListener("error",s),n.removeListener("close",c),e.off("close",u),e.off("upgrading",h)};n.once("open",o),n.once("error",s),n.once("close",c),this.once("close",u),this.once("upgrading",h),n.open()}},{key:"onOpen",value:function(){if(this.readyState="open",a.priorWebsocketSuccess="websocket"===this.transport.name,this.emitReserved("open"),this.flush(),"open"===this.readyState&&this.opts.upgrade&&this.transport.pause)for(var t=0,e=this.upgrades.length;t<e;t++)this.probe(this.upgrades[t])}},{key:"onPacket",value:function(t){if("opening"===this.readyState||"open"===this.readyState||"closing"===this.readyState)switch(this.emitReserved("packet",t),this.emitReserved("heartbeat"),t.type){case"open":this.onHandshake(JSON.parse(t.data));break;case"ping":this.resetPingTimeout(),this.sendPacket("pong"),this.emitReserved("ping"),this.emitReserved("pong");break;case"error":var e=new Error("server error");e.code=t.data,this.onError(e);break;case"message":this.emitReserved("data",t.data),this.emitReserved("message",t.data)}}},{key:"onHandshake",value:function(t){this.emitReserved("handshake",t),this.id=t.sid,this.transport.query.sid=t.sid,this.upgrades=this.filterUpgrades(t.upgrades),this.pingInterval=t.pingInterval,this.pingTimeout=t.pingTimeout,this.onOpen(),"closed"!==this.readyState&&this.resetPingTimeout()}},{key:"resetPingTimeout",value:function(){var t=this;this.clearTimeoutFn(this.pingTimeoutTimer),this.pingTimeoutTimer=this.setTimeoutFn((function(){t.onClose("ping timeout")}),this.pingInterval+this.pingTimeout),this.opts.autoUnref&&this.pingTimeoutTimer.unref()}},{key:"onDrain",value:function(){this.writeBuffer.splice(0,this.prevBufferLen),this.prevBufferLen=0,0===this.writeBuffer.length?this.emitReserved("drain"):this.flush()}},{key:"flush",value:function(){"closed"!==this.readyState&&this.transport.writable&&!this.upgrading&&this.writeBuffer.length&&(this.transport.send(this.writeBuffer),this.prevBufferLen=this.writeBuffer.length,this.emitReserved("flush"))}},{key:"write",value:function(t,e,n){return this.sendPacket("message",t,e,n),this}},{key:"send",value:function(t,e,n){return this.sendPacket("message",t,e,n),this}},{key:"sendPacket",value:function(t,e,n,r){if("function"==typeof e&&(r=e,e=void 0),"function"==typeof n&&(r=n,n=null),"closing"!==this.readyState&&"closed"!==this.readyState){(n=n||{}).compress=!1!==n.compress;var o={type:t,data:e,options:n};this.emitReserved("packetCreate",o),this.writeBuffer.push(o),r&&this.once("flush",r),this.flush()}}},{key:"close",value:function(){var t=this,e=function(){t.onClose("forced close"),t.transport.close()},n=function n(){t.off("upgrade",n),t.off("upgradeError",n),e()},r=function(){t.once("upgrade",n),t.once("upgradeError",n)};return"opening"!==this.readyState&&"open"!==this.readyState||(this.readyState="closing",this.writeBuffer.length?this.once("drain",(function(){t.upgrading?r():e()})):this.upgrading?r():e()),this}},{key:"onError",value:function(t){a.priorWebsocketSuccess=!1,this.emitReserved("error",t),this.onClose("transport error",t)}},{key:"onClose",value:function(t,e){"opening"!==this.readyState&&"open"!==this.readyState&&"closing"!==this.readyState||(this.clearTimeoutFn(this.pingTimeoutTimer),this.transport.removeAllListeners("close"),this.transport.close(),this.transport.removeAllListeners(),"function"==typeof removeEventListener&&removeEventListener("offline",this.offlineEventListener,!1),this.readyState="closed",this.id=null,this.emitReserved("close",t,e),this.writeBuffer=[],this.prevBufferLen=0)}},{key:"filterUpgrades",value:function(t){for(var e=[],n=0,r=t.length;n<r;n++)~this.transports.indexOf(t[n])&&e.push(t[n]);return e}}]),a}(R);ut.protocol=4;var ht="function"==typeof ArrayBuffer,ft=Object.prototype.toString,lt="function"==typeof Blob||"undefined"!=typeof Blob&&"[object BlobConstructor]"===ft.call(Blob),pt="function"==typeof File||"undefined"!=typeof File&&"[object FileConstructor]"===ft.call(File);function dt(t){return ht&&(t instanceof ArrayBuffer||function(t){return"function"==typeof ArrayBuffer.isView?ArrayBuffer.isView(t):t.buffer instanceof ArrayBuffer}(t))||lt&&t instanceof Blob||pt&&t instanceof File}function yt(e,n){if(!e||"object"!==t(e))return!1;if(Array.isArray(e)){for(var r=0,o=e.length;r<o;r++)if(yt(e[r]))return!0;return!1}if(dt(e))return!0;if(e.toJSON&&"function"==typeof e.toJSON&&1===arguments.length)return yt(e.toJSON(),!0);for(var i in e)if(Object.prototype.hasOwnProperty.call(e,i)&&yt(e[i]))return!0;return!1}function vt(t){var e=[],n=t.data,r=t;return r.data=mt(n,e),r.attachments=e.length,{packet:r,buffers:e}}function mt(e,n){if(!e)return e;if(dt(e)){var r={_placeholder:!0,num:n.length};return n.push(e),r}if(Array.isArray(e)){for(var o=new Array(e.length),i=0;i<e.length;i++)o[i]=mt(e[i],n);return o}if("object"===t(e)&&!(e instanceof Date)){var s={};for(var a in e)e.hasOwnProperty(a)&&(s[a]=mt(e[a],n));return s}return e}function gt(t,e){return t.data=kt(t.data,e),t.attachments=void 0,t}function kt(e,n){if(!e)return e;if(e&&e._placeholder)return n[e.num];if(Array.isArray(e))for(var r=0;r<e.length;r++)e[r]=kt(e[r],n);else if("object"===t(e))for(var o in e)e.hasOwnProperty(o)&&(e[o]=kt(e[o],n));return e}var bt;!function(t){t[t.CONNECT=0]="CONNECT",t[t.DISCONNECT=1]="DISCONNECT",t[t.EVENT=2]="EVENT",t[t.ACK=3]="ACK",t[t.CONNECT_ERROR=4]="CONNECT_ERROR",t[t.BINARY_EVENT=5]="BINARY_EVENT",t[t.BINARY_ACK=6]="BINARY_ACK"}(bt||(bt={}));var wt=function(){function t(){e(this,t)}return r(t,[{key:"encode",value:function(t){return t.type!==bt.EVENT&&t.type!==bt.ACK||!yt(t)?[this.encodeAsString(t)]:(t.type=t.type===bt.EVENT?bt.BINARY_EVENT:bt.BINARY_ACK,this.encodeAsBinary(t))}},{key:"encodeAsString",value:function(t){var e=""+t.type;return t.type!==bt.BINARY_EVENT&&t.type!==bt.BINARY_ACK||(e+=t.attachments+"-"),t.nsp&&"/"!==t.nsp&&(e+=t.nsp+","),null!=t.id&&(e+=t.id),null!=t.data&&(e+=JSON.stringify(t.data)),e}},{key:"encodeAsBinary",value:function(t){var e=vt(t),n=this.encodeAsString(e.packet),r=e.buffers;return r.unshift(n),r}}]),t}(),_t=function(n){i(a,n);var o=h(a);function a(){return e(this,a),o.call(this)}return r(a,[{key:"add",value:function(t){var e;if("string"==typeof t)(e=this.decodeString(t)).type===bt.BINARY_EVENT||e.type===bt.BINARY_ACK?(this.reconstructor=new Et(e),0===e.attachments&&f(s(a.prototype),"emitReserved",this).call(this,"decoded",e)):f(s(a.prototype),"emitReserved",this).call(this,"decoded",e);else{if(!dt(t)&&!t.base64)throw new Error("Unknown type: "+t);if(!this.reconstructor)throw new Error("got binary data when not reconstructing a packet");(e=this.reconstructor.takeBinaryData(t))&&(this.reconstructor=null,f(s(a.prototype),"emitReserved",this).call(this,"decoded",e))}}},{key:"decodeString",value:function(t){var e=0,n={type:Number(t.charAt(0))};if(void 0===bt[n.type])throw new Error("unknown packet type "+n.type);if(n.type===bt.BINARY_EVENT||n.type===bt.BINARY_ACK){for(var r=e+1;"-"!==t.charAt(++e)&&e!=t.length;);var o=t.substring(r,e);if(o!=Number(o)||"-"!==t.charAt(e))throw new Error("Illegal attachments");n.attachments=Number(o)}if("/"===t.charAt(e+1)){for(var i=e+1;++e;){if(","===t.charAt(e))break;if(e===t.length)break}n.nsp=t.substring(i,e)}else n.nsp="/";var s=t.charAt(e+1);if(""!==s&&Number(s)==s){for(var c=e+1;++e;){var u=t.charAt(e);if(null==u||Number(u)!=u){--e;break}if(e===t.length)break}n.id=Number(t.substring(c,e+1))}if(t.charAt(++e)){var h=function(t){try{return JSON.parse(t)}catch(t){return!1}}(t.substr(e));if(!a.isPayloadValid(n.type,h))throw new Error("invalid payload");n.data=h}return n}},{key:"destroy",value:function(){this.reconstructor&&this.reconstructor.finishedReconstruction()}}],[{key:"isPayloadValid",value:function(e,n){switch(e){case bt.CONNECT:return"object"===t(n);case bt.DISCONNECT:return void 0===n;case bt.CONNECT_ERROR:return"string"==typeof n||"object"===t(n);case bt.EVENT:case bt.BINARY_EVENT:return Array.isArray(n)&&n.length>0;case bt.ACK:case bt.BINARY_ACK:return Array.isArray(n)}}}]),a}(R);var Et=function(){function t(n){e(this,t),this.packet=n,this.buffers=[],this.reconPack=n}return r(t,[{key:"takeBinaryData",value:function(t){if(this.buffers.push(t),this.buffers.length===this.reconPack.attachments){var e=gt(this.reconPack,this.buffers);return this.finishedReconstruction(),e}return null}},{key:"finishedReconstruction",value:function(){this.reconPack=null,this.buffers=[]}}]),t}(),At=Object.freeze({__proto__:null,protocol:5,get PacketType(){return bt},Encoder:wt,Decoder:_t});function Rt(t,e,n){return t.on(e,n),function(){t.off(e,n)}}var Tt=Object.freeze({connect:1,connect_error:1,disconnect:1,disconnecting:1,newListener:1,removeListener:1}),Ct=function(t){i(o,t);var n=h(o);function o(t,r,i){var s;return e(this,o),(s=n.call(this)).connected=!1,s.disconnected=!0,s.receiveBuffer=[],s.sendBuffer=[],s.ids=0,s.acks={},s.flags={},s.io=t,s.nsp=r,i&&i.auth&&(s.auth=i.auth),s.io._autoConnect&&s.open(),s}return r(o,[{key:"subEvents",value:function(){if(!this.subs){var t=this.io;this.subs=[Rt(t,"open",this.onopen.bind(this)),Rt(t,"packet",this.onpacket.bind(this)),Rt(t,"error",this.onerror.bind(this)),Rt(t,"close",this.onclose.bind(this))]}}},{key:"active",get:function(){return!!this.subs}},{key:"connect",value:function(){return this.connected||(this.subEvents(),this.io._reconnecting||this.io.open(),"open"===this.io._readyState&&this.onopen()),this}},{key:"open",value:function(){return this.connect()}},{key:"send",value:function(){for(var t=arguments.length,e=new Array(t),n=0;n<t;n++)e[n]=arguments[n];return e.unshift("message"),this.emit.apply(this,e),this}},{key:"emit",value:function(t){if(Tt.hasOwnProperty(t))throw new Error('"'+t+'" is a reserved event name');for(var e=arguments.length,n=new Array(e>1?e-1:0),r=1;r<e;r++)n[r-1]=arguments[r];n.unshift(t);var o={type:bt.EVENT,data:n,options:{}};if(o.options.compress=!1!==this.flags.compress,"function"==typeof n[n.length-1]){var i=this.ids++,s=n.pop();this._registerAckCallback(i,s),o.id=i}var a=this.io.engine&&this.io.engine.transport&&this.io.engine.transport.writable,c=this.flags.volatile&&(!a||!this.connected);return c||(this.connected?this.packet(o):this.sendBuffer.push(o)),this.flags={},this}},{key:"_registerAckCallback",value:function(t,e){var n=this,r=this.flags.timeout;if(void 0!==r){var o=this.io.setTimeoutFn((function(){delete n.acks[t];for(var r=0;r<n.sendBuffer.length;r++)n.sendBuffer[r].id===t&&n.sendBuffer.splice(r,1);e.call(n,new Error("operation has timed out"))}),r);this.acks[t]=function(){n.io.clearTimeoutFn(o);for(var t=arguments.length,r=new Array(t),i=0;i<t;i++)r[i]=arguments[i];e.apply(n,[null].concat(r))}}else this.acks[t]=e}},{key:"packet",value:function(t){t.nsp=this.nsp,this.io._packet(t)}},{key:"onopen",value:function(){var t=this;"function"==typeof this.auth?this.auth((function(e){t.packet({type:bt.CONNECT,data:e})})):this.packet({type:bt.CONNECT,data:this.auth})}},{key:"onerror",value:function(t){this.connected||this.emitReserved("connect_error",t)}},{key:"onclose",value:function(t){this.connected=!1,this.disconnected=!0,delete this.id,this.emitReserved("disconnect",t)}},{key:"onpacket",value:function(t){if(t.nsp===this.nsp)switch(t.type){case bt.CONNECT:if(t.data&&t.data.sid){var e=t.data.sid;this.onconnect(e)}else this.emitReserved("connect_error",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 bt.EVENT:case bt.BINARY_EVENT:this.onevent(t);break;case bt.ACK:case bt.BINARY_ACK:this.onack(t);break;case bt.DISCONNECT:this.ondisconnect();break;case bt.CONNECT_ERROR:this.destroy();var n=new Error(t.data.message);n.data=t.data.data,this.emitReserved("connect_error",n)}}},{key:"onevent",value:function(t){var e=t.data||[];null!=t.id&&e.push(this.ack(t.id)),this.connected?this.emitEvent(e):this.receiveBuffer.push(Object.freeze(e))}},{key:"emitEvent",value:function(t){if(this._anyListeners&&this._anyListeners.length){var e,n=p(this._anyListeners.slice());try{for(n.s();!(e=n.n()).done;){e.value.apply(this,t)}}catch(t){n.e(t)}finally{n.f()}}f(s(o.prototype),"emit",this).apply(this,t)}},{key:"ack",value:function(t){var e=this,n=!1;return function(){if(!n){n=!0;for(var r=arguments.length,o=new Array(r),i=0;i<r;i++)o[i]=arguments[i];e.packet({type:bt.ACK,id:t,data:o})}}}},{key:"onack",value:function(t){var e=this.acks[t.id];"function"==typeof e&&(e.apply(this,t.data),delete this.acks[t.id])}},{key:"onconnect",value:function(t){this.id=t,this.connected=!0,this.disconnected=!1,this.emitBuffered(),this.emitReserved("connect")}},{key:"emitBuffered",value:function(){var t=this;this.receiveBuffer.forEach((function(e){return t.emitEvent(e)})),this.receiveBuffer=[],this.sendBuffer.forEach((function(e){return t.packet(e)})),this.sendBuffer=[]}},{key:"ondisconnect",value:function(){this.destroy(),this.onclose("io server disconnect")}},{key:"destroy",value:function(){this.subs&&(this.subs.forEach((function(t){return t()})),this.subs=void 0),this.io._destroy(this)}},{key:"disconnect",value:function(){return this.connected&&this.packet({type:bt.DISCONNECT}),this.destroy(),this.connected&&this.onclose("io client disconnect"),this}},{key:"close",value:function(){return this.disconnect()}},{key:"compress",value:function(t){return this.flags.compress=t,this}},{key:"volatile",get:function(){return this.flags.volatile=!0,this}},{key:"timeout",value:function(t){return this.flags.timeout=t,this}},{key:"onAny",value:function(t){return this._anyListeners=this._anyListeners||[],this._anyListeners.push(t),this}},{key:"prependAny",value:function(t){return this._anyListeners=this._anyListeners||[],this._anyListeners.unshift(t),this}},{key:"offAny",value:function(t){if(!this._anyListeners)return this;if(t){for(var e=this._anyListeners,n=0;n<e.length;n++)if(t===e[n])return e.splice(n,1),this}else this._anyListeners=[];return this}},{key:"listenersAny",value:function(){return this._anyListeners||[]}}]),o}(R),Ot=St;function St(t){t=t||{},this.ms=t.min||100,this.max=t.max||1e4,this.factor=t.factor||2,this.jitter=t.jitter>0&&t.jitter<=1?t.jitter:0,this.attempts=0}St.prototype.duration=function(){var t=this.ms*Math.pow(this.factor,this.attempts++);if(this.jitter){var e=Math.random(),n=Math.floor(e*this.jitter*t);t=0==(1&Math.floor(10*e))?t-n:t+n}return 0|Math.min(t,this.max)},St.prototype.reset=function(){this.attempts=0},St.prototype.setMin=function(t){this.ms=t},St.prototype.setMax=function(t){this.max=t},St.prototype.setJitter=function(t){this.jitter=t};var Bt=function(n){i(s,n);var o=h(s);function s(n,r){var i,a;e(this,s),(i=o.call(this)).nsps={},i.subs=[],n&&"object"===t(n)&&(r=n,n=void 0),(r=r||{}).path=r.path||"/socket.io",i.opts=r,A(c(i),r),i.reconnection(!1!==r.reconnection),i.reconnectionAttempts(r.reconnectionAttempts||1/0),i.reconnectionDelay(r.reconnectionDelay||1e3),i.reconnectionDelayMax(r.reconnectionDelayMax||5e3),i.randomizationFactor(null!==(a=r.randomizationFactor)&&void 0!==a?a:.5),i.backoff=new Ot({min:i.reconnectionDelay(),max:i.reconnectionDelayMax(),jitter:i.randomizationFactor()}),i.timeout(null==r.timeout?2e4:r.timeout),i._readyState="closed",i.uri=n;var u=r.parser||At;return i.encoder=new u.Encoder,i.decoder=new u.Decoder,i._autoConnect=!1!==r.autoConnect,i._autoConnect&&i.open(),i}return r(s,[{key:"reconnection",value:function(t){return arguments.length?(this._reconnection=!!t,this):this._reconnection}},{key:"reconnectionAttempts",value:function(t){return void 0===t?this._reconnectionAttempts:(this._reconnectionAttempts=t,this)}},{key:"reconnectionDelay",value:function(t){var e;return void 0===t?this._reconnectionDelay:(this._reconnectionDelay=t,null===(e=this.backoff)||void 0===e||e.setMin(t),this)}},{key:"randomizationFactor",value:function(t){var e;return void 0===t?this._randomizationFactor:(this._randomizationFactor=t,null===(e=this.backoff)||void 0===e||e.setJitter(t),this)}},{key:"reconnectionDelayMax",value:function(t){var e;return void 0===t?this._reconnectionDelayMax:(this._reconnectionDelayMax=t,null===(e=this.backoff)||void 0===e||e.setMax(t),this)}},{key:"timeout",value:function(t){return arguments.length?(this._timeout=t,this):this._timeout}},{key:"maybeReconnectOnOpen",value:function(){!this._reconnecting&&this._reconnection&&0===this.backoff.attempts&&this.reconnect()}},{key:"open",value:function(t){var e=this;if(~this._readyState.indexOf("open"))return this;this.engine=new ut(this.uri,this.opts);var n=this.engine,r=this;this._readyState="opening",this.skipReconnect=!1;var o=Rt(n,"open",(function(){r.onopen(),t&&t()})),i=Rt(n,"error",(function(n){r.cleanup(),r._readyState="closed",e.emitReserved("error",n),t?t(n):r.maybeReconnectOnOpen()}));if(!1!==this._timeout){var s=this._timeout;0===s&&o();var a=this.setTimeoutFn((function(){o(),n.close(),n.emit("error",new Error("timeout"))}),s);this.opts.autoUnref&&a.unref(),this.subs.push((function(){clearTimeout(a)}))}return this.subs.push(o),this.subs.push(i),this}},{key:"connect",value:function(t){return this.open(t)}},{key:"onopen",value:function(){this.cleanup(),this._readyState="open",this.emitReserved("open");var t=this.engine;this.subs.push(Rt(t,"ping",this.onping.bind(this)),Rt(t,"data",this.ondata.bind(this)),Rt(t,"error",this.onerror.bind(this)),Rt(t,"close",this.onclose.bind(this)),Rt(this.decoder,"decoded",this.ondecoded.bind(this)))}},{key:"onping",value:function(){this.emitReserved("ping")}},{key:"ondata",value:function(t){this.decoder.add(t)}},{key:"ondecoded",value:function(t){this.emitReserved("packet",t)}},{key:"onerror",value:function(t){this.emitReserved("error",t)}},{key:"socket",value:function(t,e){var n=this.nsps[t];return n||(n=new Ct(this,t,e),this.nsps[t]=n),n}},{key:"_destroy",value:function(t){for(var e=0,n=Object.keys(this.nsps);e<n.length;e++){var r=n[e];if(this.nsps[r].active)return}this._close()}},{key:"_packet",value:function(t){for(var e=this.encoder.encode(t),n=0;n<e.length;n++)this.engine.write(e[n],t.options)}},{key:"cleanup",value:function(){this.subs.forEach((function(t){return t()})),this.subs.length=0,this.decoder.destroy()}},{key:"_close",value:function(){this.skipReconnect=!0,this._reconnecting=!1,this.onclose("forced close"),this.engine&&this.engine.close()}},{key:"disconnect",value:function(){return this._close()}},{key:"onclose",value:function(t){this.cleanup(),this.backoff.reset(),this._readyState="closed",this.emitReserved("close",t),this._reconnection&&!this.skipReconnect&&this.reconnect()}},{key:"reconnect",value:function(){var t=this;if(this._reconnecting||this.skipReconnect)return this;var e=this;if(this.backoff.attempts>=this._reconnectionAttempts)this.backoff.reset(),this.emitReserved("reconnect_failed"),this._reconnecting=!1;else{var n=this.backoff.duration();this._reconnecting=!0;var r=this.setTimeoutFn((function(){e.skipReconnect||(t.emitReserved("reconnect_attempt",e.backoff.attempts),e.skipReconnect||e.open((function(n){n?(e._reconnecting=!1,e.reconnect(),t.emitReserved("reconnect_error",n)):e.onreconnect()})))}),n);this.opts.autoUnref&&r.unref(),this.subs.push((function(){clearTimeout(r)}))}}},{key:"onreconnect",value:function(){var t=this.backoff.attempts;this._reconnecting=!1,this.backoff.reset(),this.emitReserved("reconnect",t)}}]),s}(R),Nt={};function xt(e,n){"object"===t(e)&&(n=e,e=void 0);var r,o=function(t){var e=arguments.length>1&&void 0!==arguments[1]?arguments[1]:"",n=arguments.length>2?arguments[2]:void 0,r=t;n=n||"undefined"!=typeof location&&location,null==t&&(t=n.protocol+"//"+n.host),"string"==typeof t&&("/"===t.charAt(0)&&(t="/"===t.charAt(1)?n.protocol+t:n.host+t),/^(https?|wss?):\/\//.test(t)||(t=void 0!==n?n.protocol+"//"+t:"https://"+t),r=v(t)),r.port||(/^(http|ws)$/.test(r.protocol)?r.port="80":/^(http|ws)s$/.test(r.protocol)&&(r.port="443")),r.path=r.path||"/";var o=-1!==r.host.indexOf(":")?"["+r.host+"]":r.host;return r.id=r.protocol+"://"+o+":"+r.port+e,r.href=r.protocol+"://"+o+(n&&n.port===r.port?"":":"+r.port),r}(e,(n=n||{}).path||"/socket.io"),i=o.source,s=o.id,a=o.path,c=Nt[s]&&a in Nt[s].nsps;return n.forceNew||n["force new connection"]||!1===n.multiplex||c?r=new Bt(i,n):(Nt[s]||(Nt[s]=new Bt(i,n)),r=Nt[s]),o.query&&!n.query&&(n.query=o.queryKey),r.socket(o.path,n)}return o(xt,{Manager:Bt,Socket:Ct,io:xt,connect:xt}),xt}));
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addEventListener&&(r.opts.closeOnBeforeunload&&addEventListener("beforeunload",(function(){r.transport&&(r.transport.removeAllListeners(),r.transport.close())}),!1),"localhost"!==r.hostname&&(r.offlineEventListener=function(){r.onClose("transport close",{description:"network connection lost"})},addEventListener("offline",r.offlineEventListener,!1))),r.open(),r}return r(a,[{key:"createTransport",value:function(t){var e=i({},this.opts.query);e.EIO=4,e.transport=t,this.id&&(e.sid=this.id);var n=i({},this.opts.transportOptions[t],this.opts,{query:e,socket:this,hostname:this.hostname,secure:this.secure,port:this.port});return new at[t](n)}},{key:"open",value:function(){var t,e=this;if(this.opts.rememberUpgrade&&a.priorWebsocketSuccess&&-1!==this.transports.indexOf("websocket"))t="websocket";else{if(0===this.transports.length)return void this.setTimeoutFn((function(){e.emitReserved("error","No transports available")}),0);t=this.transports[0]}this.readyState="opening";try{t=this.createTransport(t)}catch(t){return this.transports.shift(),void this.open()}t.open(),this.setTransport(t)}},{key:"setTransport",value:function(t){var e=this;this.transport&&this.transport.removeAllListeners(),this.transport=t,t.on("drain",this.onDrain.bind(this)).on("packet",this.onPacket.bind(this)).on("error",this.onError.bind(this)).on("close",(function(t){return e.onClose("transport close",t)}))}},{key:"probe",value:function(t){var e=this,n=this.createTransport(t),r=!1;a.priorWebsocketSuccess=!1;var i=function(){r||(n.send([{type:"ping",data:"probe"}]),n.once("packet",(function(t){if(!r)if("pong"===t.type&&"probe"===t.data){if(e.upgrading=!0,e.emitReserved("upgrading",n),!n)return;a.priorWebsocketSuccess="websocket"===n.name,e.transport.pause((function(){r||"closed"!==e.readyState&&(f(),e.setTransport(n),n.send([{type:"upgrade"}]),e.emitReserved("upgrade",n),n=null,e.upgrading=!1,e.flush())}))}else{var i=new Error("probe error");i.transport=n.name,e.emitReserved("upgradeError",i)}})))};function o(){r||(r=!0,f(),n.close(),n=null)}var s=function(t){var r=new Error("probe error: "+t);r.transport=n.name,o(),e.emitReserved("upgradeError",r)};function c(){s("transport closed")}function u(){s("socket closed")}function h(t){n&&t.name!==n.name&&o()}var f=function(){n.removeListener("open",i),n.removeListener("error",s),n.removeListener("close",c),e.off("close",u),e.off("upgrading",h)};n.once("open",i),n.once("error",s),n.once("close",c),this.once("close",u),this.once("upgrading",h),n.open()}},{key:"onOpen",value:function(){if(this.readyState="open",a.priorWebsocketSuccess="websocket"===this.transport.name,this.emitReserved("open"),this.flush(),"open"===this.readyState&&this.opts.upgrade&&this.transport.pause)for(var t=0,e=this.upgrades.length;t<e;t++)this.probe(this.upgrades[t])}},{key:"onPacket",value:function(t){if("opening"===this.readyState||"open"===this.readyState||"closing"===this.readyState)switch(this.emitReserved("packet",t),this.emitReserved("heartbeat"),t.type){case"open":this.onHandshake(JSON.parse(t.data));break;case"ping":this.resetPingTimeout(),this.sendPacket("pong"),this.emitReserved("ping"),this.emitReserved("pong");break;case"error":var e=new Error("server error");e.code=t.data,this.onError(e);break;case"message":this.emitReserved("data",t.data),this.emitReserved("message",t.data)}}},{key:"onHandshake",value:function(t){this.emitReserved("handshake",t),this.id=t.sid,this.transport.query.sid=t.sid,this.upgrades=this.filterUpgrades(t.upgrades),this.pingInterval=t.pingInterval,this.pingTimeout=t.pingTimeout,this.maxPayload=t.maxPayload,this.onOpen(),"closed"!==this.readyState&&this.resetPingTimeout()}},{key:"resetPingTimeout",value:function(){var t=this;this.clearTimeoutFn(this.pingTimeoutTimer),this.pingTimeoutTimer=this.setTimeoutFn((function(){t.onClose("ping timeout")}),this.pingInterval+this.pingTimeout),this.opts.autoUnref&&this.pingTimeoutTimer.unref()}},{key:"onDrain",value:function(){this.writeBuffer.splice(0,this.prevBufferLen),this.prevBufferLen=0,0===this.writeBuffer.length?this.emitReserved("drain"):this.flush()}},{key:"flush",value:function(){if("closed"!==this.readyState&&this.transport.writable&&!this.upgrading&&this.writeBuffer.length){var t=this.getWritablePackets();this.transport.send(t),this.prevBufferLen=t.length,this.emitReserved("flush")}}},{key:"getWritablePackets",value:function(){if(!(this.maxPayload&&"polling"===this.transport.name&&this.writeBuffer.length>1))return this.writeBuffer;for(var t,e=1,n=0;n<this.writeBuffer.length;n++){var r=this.writeBuffer[n].data;if(r&&(e+="string"==typeof(t=r)?function(t){for(var e=0,n=0,r=0,i=t.length;r<i;r++)(e=t.charCodeAt(r))<128?n+=1:e<2048?n+=2:e<55296||e>=57344?n+=3:(r++,n+=4);return n}(t):Math.ceil(1.33*(t.byteLength||t.size))),n>0&&e>this.maxPayload)return this.writeBuffer.slice(0,n);e+=2}return this.writeBuffer}},{key:"write",value:function(t,e,n){return this.sendPacket("message",t,e,n),this}},{key:"send",value:function(t,e,n){return this.sendPacket("message",t,e,n),this}},{key:"sendPacket",value:function(t,e,n,r){if("function"==typeof e&&(r=e,e=void 0),"function"==typeof n&&(r=n,n=null),"closing"!==this.readyState&&"closed"!==this.readyState){(n=n||{}).compress=!1!==n.compress;var i={type:t,data:e,options:n};this.emitReserved("packetCreate",i),this.writeBuffer.push(i),r&&this.once("flush",r),this.flush()}}},{key:"close",value:function(){var t=this,e=function(){t.onClose("forced close"),t.transport.close()},n=function n(){t.off("upgrade",n),t.off("upgradeError",n),e()},r=function(){t.once("upgrade",n),t.once("upgradeError",n)};return"opening"!==this.readyState&&"open"!==this.readyState||(this.readyState="closing",this.writeBuffer.length?this.once("drain",(function(){t.upgrading?r():e()})):this.upgrading?r():e()),this}},{key:"onError",value:function(t){a.priorWebsocketSuccess=!1,this.emitReserved("error",t),this.onClose("transport error",t)}},{key:"onClose",value:function(t,e){"opening"!==this.readyState&&"open"!==this.readyState&&"closing"!==this.readyState||(this.clearTimeoutFn(this.pingTimeoutTimer),this.transport.removeAllListeners("close"),this.transport.close(),this.transport.removeAllListeners(),"function"==typeof removeEventListener&&removeEventListener("offline",this.offlineEventListener,!1),this.readyState="closed",this.id=null,this.emitReserved("close",t,e),this.writeBuffer=[],this.prevBufferLen=0)}},{key:"filterUpgrades",value:function(t){for(var e=[],n=0,r=t.length;n<r;n++)~this.transports.indexOf(t[n])&&e.push(t[n]);return e}}]),a}(x);ft.protocol=4;var lt="function"==typeof ArrayBuffer,pt=Object.prototype.toString,dt="function"==typeof Blob||"undefined"!=typeof Blob&&"[object BlobConstructor]"===pt.call(Blob),yt="function"==typeof File||"undefined"!=typeof File&&"[object FileConstructor]"===pt.call(File);function vt(t){return lt&&(t instanceof ArrayBuffer||function(t){return"function"==typeof ArrayBuffer.isView?ArrayBuffer.isView(t):t.buffer instanceof ArrayBuffer}(t))||dt&&t instanceof Blob||yt&&t instanceof File}function gt(e,n){if(!e||"object"!==t(e))return!1;if(Array.isArray(e)){for(var r=0,i=e.length;r<i;r++)if(gt(e[r]))return!0;return!1}if(vt(e))return!0;if(e.toJSON&&"function"==typeof e.toJSON&&1===arguments.length)return gt(e.toJSON(),!0);for(var o in e)if(Object.prototype.hasOwnProperty.call(e,o)&&gt(e[o]))return!0;return!1}function mt(t){var e=[],n=t.data,r=t;return r.data=kt(n,e),r.attachments=e.length,{packet:r,buffers:e}}function kt(e,n){if(!e)return e;if(vt(e)){var r={_placeholder:!0,num:n.length};return n.push(e),r}if(Array.isArray(e)){for(var i=new Array(e.length),o=0;o<e.length;o++)i[o]=kt(e[o],n);return i}if("object"===t(e)&&!(e instanceof Date)){var s={};for(var a in e)Object.prototype.hasOwnProperty.call(e,a)&&(s[a]=kt(e[a],n));return s}return e}function bt(t,e){return t.data=wt(t.data,e),t.attachments=void 0,t}function wt(e,n){if(!e)return e;if(e&&e._placeholder)return n[e.num];if(Array.isArray(e))for(var r=0;r<e.length;r++)e[r]=wt(e[r],n);else if("object"===t(e))for(var i in e)Object.prototype.hasOwnProperty.call(e,i)&&(e[i]=wt(e[i],n));return e}var _t;!function(t){t[t.CONNECT=0]="CONNECT",t[t.DISCONNECT=1]="DISCONNECT",t[t.EVENT=2]="EVENT",t[t.ACK=3]="ACK",t[t.CONNECT_ERROR=4]="CONNECT_ERROR",t[t.BINARY_EVENT=5]="BINARY_EVENT",t[t.BINARY_ACK=6]="BINARY_ACK"}(_t||(_t={}));var At=function(){function t(n){e(this,t),this.replacer=n}return r(t,[{key:"encode",value:function(t){return t.type!==_t.EVENT&&t.type!==_t.ACK||!gt(t)?[this.encodeAsString(t)]:(t.type=t.type===_t.EVENT?_t.BINARY_EVENT:_t.BINARY_ACK,this.encodeAsBinary(t))}},{key:"encodeAsString",value:function(t){var e=""+t.type;return t.type!==_t.BINARY_EVENT&&t.type!==_t.BINARY_ACK||(e+=t.attachments+"-"),t.nsp&&"/"!==t.nsp&&(e+=t.nsp+","),null!=t.id&&(e+=t.id),null!=t.data&&(e+=JSON.stringify(t.data,this.replacer)),e}},{key:"encodeAsBinary",value:function(t){var e=mt(t),n=this.encodeAsString(e.packet),r=e.buffers;return r.unshift(n),r}}]),t}(),Et=function(n){o(a,n);var i=p(a);function a(t){var n;return e(this,a),(n=i.call(this)).reviver=t,n}return r(a,[{key:"add",value:function(t){var e;if("string"==typeof t)(e=this.decodeString(t)).type===_t.BINARY_EVENT||e.type===_t.BINARY_ACK?(this.reconstructor=new Ot(e),0===e.attachments&&d(s(a.prototype),"emitReserved",this).call(this,"decoded",e)):d(s(a.prototype),"emitReserved",this).call(this,"decoded",e);else{if(!vt(t)&&!t.base64)throw new Error("Unknown type: "+t);if(!this.reconstructor)throw new Error("got binary data when not reconstructing a packet");(e=this.reconstructor.takeBinaryData(t))&&(this.reconstructor=null,d(s(a.prototype),"emitReserved",this).call(this,"decoded",e))}}},{key:"decodeString",value:function(t){var e=0,n={type:Number(t.charAt(0))};if(void 0===_t[n.type])throw new Error("unknown packet type "+n.type);if(n.type===_t.BINARY_EVENT||n.type===_t.BINARY_ACK){for(var r=e+1;"-"!==t.charAt(++e)&&e!=t.length;);var i=t.substring(r,e);if(i!=Number(i)||"-"!==t.charAt(e))throw new Error("Illegal attachments");n.attachments=Number(i)}if("/"===t.charAt(e+1)){for(var o=e+1;++e;){if(","===t.charAt(e))break;if(e===t.length)break}n.nsp=t.substring(o,e)}else n.nsp="/";var s=t.charAt(e+1);if(""!==s&&Number(s)==s){for(var c=e+1;++e;){var u=t.charAt(e);if(null==u||Number(u)!=u){--e;break}if(e===t.length)break}n.id=Number(t.substring(c,e+1))}if(t.charAt(++e)){var h=this.tryParse(t.substr(e));if(!a.isPayloadValid(n.type,h))throw new Error("invalid payload");n.data=h}return n}},{key:"tryParse",value:function(t){try{return JSON.parse(t,this.reviver)}catch(t){return!1}}},{key:"destroy",value:function(){this.reconstructor&&this.reconstructor.finishedReconstruction()}}],[{key:"isPayloadValid",value:function(e,n){switch(e){case _t.CONNECT:return"object"===t(n);case _t.DISCONNECT:return void 0===n;case _t.CONNECT_ERROR:return"string"==typeof n||"object"===t(n);case _t.EVENT:case _t.BINARY_EVENT:return Array.isArray(n)&&n.length>0;case _t.ACK:case _t.BINARY_ACK:return Array.isArray(n)}}}]),a}(x),Ot=function(){function t(n){e(this,t),this.packet=n,this.buffers=[],this.reconPack=n}return r(t,[{key:"takeBinaryData",value:function(t){if(this.buffers.push(t),this.buffers.length===this.reconPack.attachments){var e=bt(this.reconPack,this.buffers);return this.finishedReconstruction(),e}return null}},{key:"finishedReconstruction",value:function(){this.reconPack=null,this.buffers=[]}}]),t}(),Rt=Object.freeze({__proto__:null,protocol:5,get PacketType(){return _t},Encoder:At,Decoder:Et});function Tt(t,e,n){return t.on(e,n),function(){t.off(e,n)}}var Ct=Object.freeze({connect:1,connect_error:1,disconnect:1,disconnecting:1,newListener:1,removeListener:1}),Bt=function(t){o(i,t);var n=p(i);function i(t,r,o){var s;return e(this,i),(s=n.call(this)).connected=!1,s.receiveBuffer=[],s.sendBuffer=[],s.ids=0,s.acks={},s.flags={},s.io=t,s.nsp=r,o&&o.auth&&(s.auth=o.auth),s.io._autoConnect&&s.open(),s}return r(i,[{key:"disconnected",get:function(){return!this.connected}},{key:"subEvents",value:function(){if(!this.subs){var t=this.io;this.subs=[Tt(t,"open",this.onopen.bind(this)),Tt(t,"packet",this.onpacket.bind(this)),Tt(t,"error",this.onerror.bind(this)),Tt(t,"close",this.onclose.bind(this))]}}},{key:"active",get:function(){return!!this.subs}},{key:"connect",value:function(){return this.connected||(this.subEvents(),this.io._reconnecting||this.io.open(),"open"===this.io._readyState&&this.onopen()),this}},{key:"open",value:function(){return this.connect()}},{key:"send",value:function(){for(var t=arguments.length,e=new Array(t),n=0;n<t;n++)e[n]=arguments[n];return e.unshift("message"),this.emit.apply(this,e),this}},{key:"emit",value:function(t){if(Ct.hasOwnProperty(t))throw new Error('"'+t+'" is a reserved event name');for(var e=arguments.length,n=new Array(e>1?e-1:0),r=1;r<e;r++)n[r-1]=arguments[r];n.unshift(t);var i={type:_t.EVENT,data:n,options:{}};if(i.options.compress=!1!==this.flags.compress,"function"==typeof n[n.length-1]){var o=this.ids++,s=n.pop();this._registerAckCallback(o,s),i.id=o}var a=this.io.engine&&this.io.engine.transport&&this.io.engine.transport.writable,c=this.flags.volatile&&(!a||!this.connected);return c||(this.connected?(this.notifyOutgoingListeners(i),this.packet(i)):this.sendBuffer.push(i)),this.flags={},this}},{key:"_registerAckCallback",value:function(t,e){var n=this,r=this.flags.timeout;if(void 0!==r){var i=this.io.setTimeoutFn((function(){delete n.acks[t];for(var r=0;r<n.sendBuffer.length;r++)n.sendBuffer[r].id===t&&n.sendBuffer.splice(r,1);e.call(n,new Error("operation has timed out"))}),r);this.acks[t]=function(){n.io.clearTimeoutFn(i);for(var t=arguments.length,r=new Array(t),o=0;o<t;o++)r[o]=arguments[o];e.apply(n,[null].concat(r))}}else this.acks[t]=e}},{key:"packet",value:function(t){t.nsp=this.nsp,this.io._packet(t)}},{key:"onopen",value:function(){var t=this;"function"==typeof this.auth?this.auth((function(e){t.packet({type:_t.CONNECT,data:e})})):this.packet({type:_t.CONNECT,data:this.auth})}},{key:"onerror",value:function(t){this.connected||this.emitReserved("connect_error",t)}},{key:"onclose",value:function(t,e){this.connected=!1,delete this.id,this.emitReserved("disconnect",t,e)}},{key:"onpacket",value:function(t){if(t.nsp===this.nsp)switch(t.type){case _t.CONNECT:if(t.data&&t.data.sid){var e=t.data.sid;this.onconnect(e)}else this.emitReserved("connect_error",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 _t.EVENT:case _t.BINARY_EVENT:this.onevent(t);break;case _t.ACK:case _t.BINARY_ACK:this.onack(t);break;case _t.DISCONNECT:this.ondisconnect();break;case _t.CONNECT_ERROR:this.destroy();var n=new Error(t.data.message);n.data=t.data.data,this.emitReserved("connect_error",n)}}},{key:"onevent",value:function(t){var e=t.data||[];null!=t.id&&e.push(this.ack(t.id)),this.connected?this.emitEvent(e):this.receiveBuffer.push(Object.freeze(e))}},{key:"emitEvent",value:function(t){if(this._anyListeners&&this._anyListeners.length){var e,n=v(this._anyListeners.slice());try{for(n.s();!(e=n.n()).done;){e.value.apply(this,t)}}catch(t){n.e(t)}finally{n.f()}}d(s(i.prototype),"emit",this).apply(this,t)}},{key:"ack",value:function(t){var e=this,n=!1;return function(){if(!n){n=!0;for(var r=arguments.length,i=new Array(r),o=0;o<r;o++)i[o]=arguments[o];e.packet({type:_t.ACK,id:t,data:i})}}}},{key:"onack",value:function(t){var e=this.acks[t.id];"function"==typeof e&&(e.apply(this,t.data),delete this.acks[t.id])}},{key:"onconnect",value:function(t){this.id=t,this.connected=!0,this.emitBuffered(),this.emitReserved("connect")}},{key:"emitBuffered",value:function(){var t=this;this.receiveBuffer.forEach((function(e){return t.emitEvent(e)})),this.receiveBuffer=[],this.sendBuffer.forEach((function(e){t.notifyOutgoingListeners(e),t.packet(e)})),this.sendBuffer=[]}},{key:"ondisconnect",value:function(){this.destroy(),this.onclose("io server disconnect")}},{key:"destroy",value:function(){this.subs&&(this.subs.forEach((function(t){return t()})),this.subs=void 0),this.io._destroy(this)}},{key:"disconnect",value:function(){return this.connected&&this.packet({type:_t.DISCONNECT}),this.destroy(),this.connected&&this.onclose("io client disconnect"),this}},{key:"close",value:function(){return this.disconnect()}},{key:"compress",value:function(t){return this.flags.compress=t,this}},{key:"volatile",get:function(){return this.flags.volatile=!0,this}},{key:"timeout",value:function(t){return this.flags.timeout=t,this}},{key:"onAny",value:function(t){return this._anyListeners=this._anyListeners||[],this._anyListeners.push(t),this}},{key:"prependAny",value:function(t){return this._anyListeners=this._anyListeners||[],this._anyListeners.unshift(t),this}},{key:"offAny",value:function(t){if(!this._anyListeners)return this;if(t){for(var e=this._anyListeners,n=0;n<e.length;n++)if(t===e[n])return e.splice(n,1),this}else this._anyListeners=[];return this}},{key:"listenersAny",value:function(){return this._anyListeners||[]}},{key:"onAnyOutgoing",value:function(t){return this._anyOutgoingListeners=this._anyOutgoingListeners||[],this._anyOutgoingListeners.push(t),this}},{key:"prependAnyOutgoing",value:function(t){return this._anyOutgoingListeners=this._anyOutgoingListeners||[],this._anyOutgoingListeners.unshift(t),this}},{key:"offAnyOutgoing",value:function(t){if(!this._anyOutgoingListeners)return this;if(t){for(var e=this._anyOutgoingListeners,n=0;n<e.length;n++)if(t===e[n])return e.splice(n,1),this}else this._anyOutgoingListeners=[];return this}},{key:"listenersAnyOutgoing",value:function(){return this._anyOutgoingListeners||[]}},{key:"notifyOutgoingListeners",value:function(t){if(this._anyOutgoingListeners&&this._anyOutgoingListeners.length){var e,n=v(this._anyOutgoingListeners.slice());try{for(n.s();!(e=n.n()).done;){e.value.apply(this,t.data)}}catch(t){n.e(t)}finally{n.f()}}}}]),i}(x);function St(t){t=t||{},this.ms=t.min||100,this.max=t.max||1e4,this.factor=t.factor||2,this.jitter=t.jitter>0&&t.jitter<=1?t.jitter:0,this.attempts=0}St.prototype.duration=function(){var t=this.ms*Math.pow(this.factor,this.attempts++);if(this.jitter){var e=Math.random(),n=Math.floor(e*this.jitter*t);t=0==(1&Math.floor(10*e))?t-n:t+n}return 0|Math.min(t,this.max)},St.prototype.reset=function(){this.attempts=0},St.prototype.setMin=function(t){this.ms=t},St.prototype.setMax=function(t){this.max=t},St.prototype.setJitter=function(t){this.jitter=t};var Nt=function(n){o(s,n);var i=p(s);function s(n,r){var o,a;e(this,s),(o=i.call(this)).nsps={},o.subs=[],n&&"object"===t(n)&&(r=n,n=void 0),(r=r||{}).path=r.path||"/socket.io",o.opts=r,I(f(o),r),o.reconnection(!1!==r.reconnection),o.reconnectionAttempts(r.reconnectionAttempts||1/0),o.reconnectionDelay(r.reconnectionDelay||1e3),o.reconnectionDelayMax(r.reconnectionDelayMax||5e3),o.randomizationFactor(null!==(a=r.randomizationFactor)&&void 0!==a?a:.5),o.backoff=new St({min:o.reconnectionDelay(),max:o.reconnectionDelayMax(),jitter:o.randomizationFactor()}),o.timeout(null==r.timeout?2e4:r.timeout),o._readyState="closed",o.uri=n;var c=r.parser||Rt;return o.encoder=new c.Encoder,o.decoder=new c.Decoder,o._autoConnect=!1!==r.autoConnect,o._autoConnect&&o.open(),o}return r(s,[{key:"reconnection",value:function(t){return arguments.length?(this._reconnection=!!t,this):this._reconnection}},{key:"reconnectionAttempts",value:function(t){return void 0===t?this._reconnectionAttempts:(this._reconnectionAttempts=t,this)}},{key:"reconnectionDelay",value:function(t){var e;return void 0===t?this._reconnectionDelay:(this._reconnectionDelay=t,null===(e=this.backoff)||void 0===e||e.setMin(t),this)}},{key:"randomizationFactor",value:function(t){var e;return void 0===t?this._randomizationFactor:(this._randomizationFactor=t,null===(e=this.backoff)||void 0===e||e.setJitter(t),this)}},{key:"reconnectionDelayMax",value:function(t){var e;return void 0===t?this._reconnectionDelayMax:(this._reconnectionDelayMax=t,null===(e=this.backoff)||void 0===e||e.setMax(t),this)}},{key:"timeout",value:function(t){return arguments.length?(this._timeout=t,this):this._timeout}},{key:"maybeReconnectOnOpen",value:function(){!this._reconnecting&&this._reconnection&&0===this.backoff.attempts&&this.reconnect()}},{key:"open",value:function(t){var e=this;if(~this._readyState.indexOf("open"))return this;this.engine=new ft(this.uri,this.opts);var n=this.engine,r=this;this._readyState="opening",this.skipReconnect=!1;var i=Tt(n,"open",(function(){r.onopen(),t&&t()})),o=Tt(n,"error",(function(n){r.cleanup(),r._readyState="closed",e.emitReserved("error",n),t?t(n):r.maybeReconnectOnOpen()}));if(!1!==this._timeout){var s=this._timeout;0===s&&i();var a=this.setTimeoutFn((function(){i(),n.close(),n.emit("error",new Error("timeout"))}),s);this.opts.autoUnref&&a.unref(),this.subs.push((function(){clearTimeout(a)}))}return this.subs.push(i),this.subs.push(o),this}},{key:"connect",value:function(t){return this.open(t)}},{key:"onopen",value:function(){this.cleanup(),this._readyState="open",this.emitReserved("open");var 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dist/socket.io.msgpack.min.js
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* Socket.IO v4.5.0
* (c) 2014-2022 Guillermo Rauch
* Released under the MIT License.
*/
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document&&(this.index=r.requestsCount++,r.requests[this.index]=this)}},{key:"onSuccess",value:function(){this.emit("success"),this.cleanup()}},{key:"onData",value:function(t){this.emit("data",t),this.onSuccess()}},{key:"onError",value:function(t){this.emit("error",t),this.cleanup(!0)}},{key:"cleanup",value:function(t){if(void 0!==this.xhr&&null!==this.xhr){if(this.xhr.onreadystatechange=tt,t)try{this.xhr.abort()}catch(t){}"undefined"!=typeof document&&delete r.requests[this.index],this.xhr=null}}},{key:"onLoad",value:function(){var t=this.xhr.responseText;null!==t&&this.onData(t)}},{key:"abort",value:function(){this.cleanup()}}]),r}(T);if(rt.requestsCount=0,rt.requests={},"undefined"!=typeof document)if("function"==typeof attachEvent)attachEvent("onunload",it);else if("function"==typeof addEventListener){addEventListener("onpagehide"in b?"pagehide":"unload",it,!1)}function it(){for(var t in rt.requests)rt.requests.hasOwnProperty(t)&&rt.requests[t].abort()}var ot="function"==typeof Promise&&"function"==typeof Promise.resolve?function(t){return Promise.resolve().then(t)}:function(t,e){return e(t,0)},st=b.WebSocket||b.MozWebSocket,at="undefined"!=typeof navigator&&"string"==typeof navigator.product&&"reactnative"===navigator.product.toLowerCase(),ct=function(t){s(r,t);var e=f(r);function r(t){var i;return n(this,r),(i=e.call(this,t)).supportsBinary=!t.forceBase64,i}return i(r,[{key:"name",get:function(){return"websocket"}},{key:"doOpen",value:function(){if(this.check()){var t=this.uri(),e=this.opts.protocols,n=at?{}:w(this.opts,"agent","perMessageDeflate","pfx","key","passphrase","cert","ca","ciphers","rejectUnauthorized","localAddress","protocolVersion","origin","maxPayload","family","checkServerIdentity");this.opts.extraHeaders&&(n.headers=this.opts.extraHeaders);try{this.ws=at?new st(t,e,n):e?new st(t,e):new st(t)}catch(t){return this.emit("error",t)}this.ws.binaryType=this.socket.binaryType||"arraybuffer",this.addEventListeners()}}},{key:"addEventListeners",value:function(){var t=this;this.ws.onopen=function(){t.opts.autoUnref&&t.ws._socket.unref(),t.onOpen()},this.ws.onclose=this.onClose.bind(this),this.ws.onmessage=function(e){return t.onData(e.data)},this.ws.onerror=function(e){return t.onError("websocket error",e)}}},{key:"write",value:function(t){var e=this;this.writable=!1;for(var n=function(n){var r=t[n],i=n===t.length-1;B(r,e.supportsBinary,(function(t){try{e.ws.send(t)}catch(t){}i&&ot((function(){e.writable=!0,e.emit("drain")}),e.setTimeoutFn)}))},r=0;r<t.length;r++)n(r)}},{key:"doClose",value:function(){void 0!==this.ws&&(this.ws.close(),this.ws=null)}},{key:"uri",value:function(){var t=this.query||{},e=this.opts.secure?"wss":"ws",n="";this.opts.port&&("wss"===e&&443!==Number(this.opts.port)||"ws"===e&&80!==Number(this.opts.port))&&(n=":"+this.opts.port),this.opts.timestampRequests&&(t[this.opts.timestampParam]=G()),this.supportsBinary||(t.b64=1);var r=Q.encode(t);return e+"://"+(-1!==this.opts.hostname.indexOf(":")?"["+this.opts.hostname+"]":this.opts.hostname)+n+this.opts.path+(r.length?"?"+r:"")}},{key:"check",value:function(){return!(!st||"__initialize"in st&&this.name===r.prototype.name)}}]),r}(z),ht={websocket:ct,polling:nt},ut=function(t){s(a,t);var r=f(a);function a(t){var i,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return n(this,a),i=r.call(this),t&&"object"===e(t)&&(s=t,t=null),t?(t=g(t),s.hostname=t.host,s.secure="https"===t.protocol||"wss"===t.protocol,s.port=t.port,t.query&&(s.query=t.query)):s.host&&(s.hostname=g(s.host).host),O(h(i),s),i.secure=null!=s.secure?s.secure:"undefined"!=typeof location&&"https:"===location.protocol,s.hostname&&!s.port&&(s.port=i.secure?"443":"80"),i.hostname=s.hostname||("undefined"!=typeof location?location.hostname:"localhost"),i.port=s.port||("undefined"!=typeof location&&location.port?location.port:i.secure?"443":"80"),i.transports=s.transports||["polling","websocket"],i.readyState="",i.writeBuffer=[],i.prevBufferLen=0,i.opts=o({path:"/engine.io",agent:!1,withCredentials:!1,upgrade:!0,timestampParam:"t",rememberUpgrade:!1,rejectUnauthorized:!0,perMessageDeflate:{threshold:1024},transportOptions:{},closeOnBeforeunload:!0},s),i.opts.path=i.opts.path.replace(/\/$/,"")+"/","string"==typeof i.opts.query&&(i.opts.query=Q.decode(i.opts.query)),i.id=null,i.upgrades=null,i.pingInterval=null,i.pingTimeout=null,i.pingTimeoutTimer=null,"function"==typeof addEventListener&&(i.opts.closeOnBeforeunload&&addEventListener("beforeunload",(function(){i.transport&&(i.transport.removeAllListeners(),i.transport.close())}),!1),"localhost"!==i.hostname&&(i.offlineEventListener=function(){i.onClose("transport close")},addEventListener("offline",i.offlineEventListener,!1))),i.open(),i}return i(a,[{key:"createTransport",value:function(t){var e=function(t){var e={};for(var n in t)t.hasOwnProperty(n)&&(e[n]=t[n]);return e}(this.opts.query);e.EIO=4,e.transport=t,this.id&&(e.sid=this.id);var n=o({},this.opts.transportOptions[t],this.opts,{query:e,socket:this,hostname:this.hostname,secure:this.secure,port:this.port});return new ht[t](n)}},{key:"open",value:function(){var t,e=this;if(this.opts.rememberUpgrade&&a.priorWebsocketSuccess&&-1!==this.transports.indexOf("websocket"))t="websocket";else{if(0===this.transports.length)return void this.setTimeoutFn((function(){e.emitReserved("error","No transports available")}),0);t=this.transports[0]}this.readyState="opening";try{t=this.createTransport(t)}catch(t){return this.transports.shift(),void this.open()}t.open(),this.setTransport(t)}},{key:"setTransport",value:function(t){var e=this;this.transport&&this.transport.removeAllListeners(),this.transport=t,t.on("drain",this.onDrain.bind(this)).on("packet",this.onPacket.bind(this)).on("error",this.onError.bind(this)).on("close",(function(){e.onClose("transport close")}))}},{key:"probe",value:function(t){var e=this,n=this.createTransport(t),r=!1;a.priorWebsocketSuccess=!1;var i=function(){r||(n.send([{type:"ping",data:"probe"}]),n.once("packet",(function(t){if(!r)if("pong"===t.type&&"probe"===t.data){if(e.upgrading=!0,e.emitReserved("upgrading",n),!n)return;a.priorWebsocketSuccess="websocket"===n.name,e.transport.pause((function(){r||"closed"!==e.readyState&&(f(),e.setTransport(n),n.send([{type:"upgrade"}]),e.emitReserved("upgrade",n),n=null,e.upgrading=!1,e.flush())}))}else{var i=new Error("probe error");i.transport=n.name,e.emitReserved("upgradeError",i)}})))};function o(){r||(r=!0,f(),n.close(),n=null)}var s=function(t){var r=new Error("probe error: "+t);r.transport=n.name,o(),e.emitReserved("upgradeError",r)};function c(){s("transport closed")}function h(){s("socket closed")}function u(t){n&&t.name!==n.name&&o()}var f=function(){n.removeListener("open",i),n.removeListener("error",s),n.removeListener("close",c),e.off("close",h),e.off("upgrading",u)};n.once("open",i),n.once("error",s),n.once("close",c),this.once("close",h),this.once("upgrading",u),n.open()}},{key:"onOpen",value:function(){if(this.readyState="open",a.priorWebsocketSuccess="websocket"===this.transport.name,this.emitReserved("open"),this.flush(),"open"===this.readyState&&this.opts.upgrade&&this.transport.pause)for(var t=0,e=this.upgrades.length;t<e;t++)this.probe(this.upgrades[t])}},{key:"onPacket",value:function(t){if("opening"===this.readyState||"open"===this.readyState||"closing"===this.readyState)switch(this.emitReserved("packet",t),this.emitReserved("heartbeat"),t.type){case"open":this.onHandshake(JSON.parse(t.data));break;case"ping":this.resetPingTimeout(),this.sendPacket("pong"),this.emitReserved("ping"),this.emitReserved("pong");break;case"error":var e=new Error("server error");e.code=t.data,this.onError(e);break;case"message":this.emitReserved("data",t.data),this.emitReserved("message",t.data)}}},{key:"onHandshake",value:function(t){this.emitReserved("handshake",t),this.id=t.sid,this.transport.query.sid=t.sid,this.upgrades=this.filterUpgrades(t.upgrades),this.pingInterval=t.pingInterval,this.pingTimeout=t.pingTimeout,this.onOpen(),"closed"!==this.readyState&&this.resetPingTimeout()}},{key:"resetPingTimeout",value:function(){var t=this;this.clearTimeoutFn(this.pingTimeoutTimer),this.pingTimeoutTimer=this.setTimeoutFn((function(){t.onClose("ping timeout")}),this.pingInterval+this.pingTimeout),this.opts.autoUnref&&this.pingTimeoutTimer.unref()}},{key:"onDrain",value:function(){this.writeBuffer.splice(0,this.prevBufferLen),this.prevBufferLen=0,0===this.writeBuffer.length?this.emitReserved("drain"):this.flush()}},{key:"flush",value:function(){"closed"!==this.readyState&&this.transport.writable&&!this.upgrading&&this.writeBuffer.length&&(this.transport.send(this.writeBuffer),this.prevBufferLen=this.writeBuffer.length,this.emitReserved("flush"))}},{key:"write",value:function(t,e,n){return this.sendPacket("message",t,e,n),this}},{key:"send",value:function(t,e,n){return this.sendPacket("message",t,e,n),this}},{key:"sendPacket",value:function(t,e,n,r){if("function"==typeof e&&(r=e,e=void 0),"function"==typeof n&&(r=n,n=null),"closing"!==this.readyState&&"closed"!==this.readyState){(n=n||{}).compress=!1!==n.compress;var i={type:t,data:e,options:n};this.emitReserved("packetCreate",i),this.writeBuffer.push(i),r&&this.once("flush",r),this.flush()}}},{key:"close",value:function(){var t=this,e=function(){t.onClose("forced close"),t.transport.close()},n=function n(){t.off("upgrade",n),t.off("upgradeError",n),e()},r=function(){t.once("upgrade",n),t.once("upgradeError",n)};return"opening"!==this.readyState&&"open"!==this.readyState||(this.readyState="closing",this.writeBuffer.length?this.once("drain",(function(){t.upgrading?r():e()})):this.upgrading?r():e()),this}},{key:"onError",value:function(t){a.priorWebsocketSuccess=!1,this.emitReserved("error",t),this.onClose("transport error",t)}},{key:"onClose",value:function(t,e){"opening"!==this.readyState&&"open"!==this.readyState&&"closing"!==this.readyState||(this.clearTimeoutFn(this.pingTimeoutTimer),this.transport.removeAllListeners("close"),this.transport.close(),this.transport.removeAllListeners(),"function"==typeof removeEventListener&&removeEventListener("offline",this.offlineEventListener,!1),this.readyState="closed",this.id=null,this.emitReserved("close",t,e),this.writeBuffer=[],this.prevBufferLen=0)}},{key:"filterUpgrades",value:function(t){for(var e=[],n=0,r=t.length;n<r;n++)~this.transports.indexOf(t[n])&&e.push(t[n]);return e}}]),a}(T);ut.protocol=4;var ft={},pt={};function lt(t,e,n){for(var r=0,i=0,o=n.length;i<o;i++)(r=n.charCodeAt(i))<128?t.setUint8(e++,r):r<2048?(t.setUint8(e++,192|r>>6),t.setUint8(e++,128|63&r)):r<55296||r>=57344?(t.setUint8(e++,224|r>>12),t.setUint8(e++,128|r>>6&63),t.setUint8(e++,128|63&r)):(i++,r=65536+((1023&r)<<10|1023&n.charCodeAt(i)),t.setUint8(e++,240|r>>18),t.setUint8(e++,128|r>>12&63),t.setUint8(e++,128|r>>6&63),t.setUint8(e++,128|63&r))}function dt(t,n,r){var i=e(r),o=0,s=0,a=0,c=0,h=0,u=0;if("string"===i){if(h=function(t){for(var e=0,n=0,r=0,i=t.length;r<i;r++)(e=t.charCodeAt(r))<128?n+=1:e<2048?n+=2:e<55296||e>=57344?n+=3:(r++,n+=4);return n}(r),h<32)t.push(160|h),u=1;else if(h<256)t.push(217,h),u=2;else if(h<65536)t.push(218,h>>8,h),u=3;else{if(!(h<4294967296))throw new Error("String too long");t.push(219,h>>24,h>>16,h>>8,h),u=5}return n.push({_str:r,_length:h,_offset:t.length}),u+h}if("number"===i)return Math.floor(r)===r&&isFinite(r)?r>=0?r<128?(t.push(r),1):r<256?(t.push(204,r),2):r<65536?(t.push(205,r>>8,r),3):r<4294967296?(t.push(206,r>>24,r>>16,r>>8,r),5):(a=r/Math.pow(2,32)>>0,c=r>>>0,t.push(207,a>>24,a>>16,a>>8,a,c>>24,c>>16,c>>8,c),9):r>=-32?(t.push(r),1):r>=-128?(t.push(208,r),2):r>=-32768?(t.push(209,r>>8,r),3):r>=-2147483648?(t.push(210,r>>24,r>>16,r>>8,r),5):(a=Math.floor(r/Math.pow(2,32)),c=r>>>0,t.push(211,a>>24,a>>16,a>>8,a,c>>24,c>>16,c>>8,c),9):(t.push(203),n.push({_float:r,_length:8,_offset:t.length}),9);if("object"===i){if(null===r)return t.push(192),1;if(Array.isArray(r)){if((h=r.length)<16)t.push(144|h),u=1;else if(h<65536)t.push(220,h>>8,h),u=3;else{if(!(h<4294967296))throw new Error("Array too 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i=this._view.getUint32(this._offset)*Math.pow(2,32),o=this._view.getUint32(this._offset+4),this._offset+=8,i+o;case 208:return t=this._view.getInt8(this._offset),this._offset+=1,t;case 209:return t=this._view.getInt16(this._offset),this._offset+=2,t;case 210:return t=this._view.getInt32(this._offset),this._offset+=4,t;case 211:return i=this._view.getInt32(this._offset)*Math.pow(2,32),o=this._view.getUint32(this._offset+4),this._offset+=8,i+o;case 212:return r=this._view.getInt8(this._offset),this._offset+=1,0===r?void(this._offset+=1):[r,this._bin(1)];case 213:return r=this._view.getInt8(this._offset),this._offset+=1,[r,this._bin(2)];case 214:return r=this._view.getInt8(this._offset),this._offset+=1,[r,this._bin(4)];case 215:return r=this._view.getInt8(this._offset),this._offset+=1,0===r?(i=this._view.getInt32(this._offset)*Math.pow(2,32),o=this._view.getUint32(this._offset+4),this._offset+=8,new Date(i+o)):[r,this._bin(8)];case 216:return r=this._view.getInt8(this._offset),this._offset+=1,[r,this._bin(16)];case 217:return n=this._view.getUint8(this._offset),this._offset+=1,this._str(n);case 218:return n=this._view.getUint16(this._offset),this._offset+=2,this._str(n);case 219:return n=this._view.getUint32(this._offset),this._offset+=4,this._str(n);case 220:return n=this._view.getUint16(this._offset),this._offset+=2,this._array(n);case 221:return n=this._view.getUint32(this._offset),this._offset+=4,this._array(n);case 222:return n=this._view.getUint16(this._offset),this._offset+=2,this._map(n);case 223:return n=this._view.getUint32(this._offset),this._offset+=4,this._map(n)}throw new Error("Could not parse")};var gt=function(t){var e=new vt(t),n=e._parse();if(e._offset!==t.byteLength)throw new Error(t.byteLength-e._offset+" trailing bytes");return n};pt.encode=yt,pt.decode=gt;var mt,_t={exports:{}};!function(t){function e(t){if(t)return function(t){for(var n in e.prototype)t[n]=e.prototype[n];return t}(t)}t.exports=e,e.prototype.on=e.prototype.addEventListener=function(t,e){return this._callbacks=this._callbacks||{},(this._callbacks["$"+t]=this._callbacks["$"+t]||[]).push(e),this},e.prototype.once=function(t,e){function n(){this.off(t,n),e.apply(this,arguments)}return n.fn=e,this.on(t,n),this},e.prototype.off=e.prototype.removeListener=e.prototype.removeAllListeners=e.prototype.removeEventListener=function(t,e){if(this._callbacks=this._callbacks||{},0==arguments.length)return this._callbacks={},this;var n,r=this._callbacks["$"+t];if(!r)return this;if(1==arguments.length)return delete this._callbacks["$"+t],this;for(var i=0;i<r.length;i++)if((n=r[i])===e||n.fn===e){r.splice(i,1);break}return 0===r.length&&delete this._callbacks["$"+t],this},e.prototype.emit=function(t){this._callbacks=this._callbacks||{};for(var e=new Array(arguments.length-1),n=this._callbacks["$"+t],r=1;r<arguments.length;r++)e[r-1]=arguments[r];if(n){r=0;for(var i=(n=n.slice(0)).length;r<i;++r)n[r].apply(this,e)}return this},e.prototype.listeners=function(t){return this._callbacks=this._callbacks||{},this._callbacks["$"+t]||[]},e.prototype.hasListeners=function(t){return!!this.listeners(t).length}}(_t);var bt=pt,kt=_t.exports,wt=ft.protocol=5,Et=mt=ft.PacketType={CONNECT:0,DISCONNECT:1,EVENT:2,ACK:3,CONNECT_ERROR:4},Ct=Number.isInteger||function(t){return"number"==typeof t&&isFinite(t)&&Math.floor(t)===t},Ot=function(t){return"string"==typeof t},Tt=function(t){return"[object Object]"===Object.prototype.toString.call(t)};function St(){}function Rt(){}St.prototype.encode=function(t){return[bt.encode(t)]},kt(Rt.prototype),Rt.prototype.add=function(t){var e=bt.decode(t);this.checkPacket(e),this.emit("decoded",e)},Rt.prototype.checkPacket=function(t){if(!(Ct(t.type)&&t.type>=Et.CONNECT&&t.type<=Et.CONNECT_ERROR))throw new Error("invalid packet type");if(!Ot(t.nsp))throw new Error("invalid namespace");if(!function(t){switch(t.type){case Et.CONNECT:return void 0===t.data||Tt(t.data);case Et.DISCONNECT:return void 0===t.data;case Et.CONNECT_ERROR:return Ot(t.data)||Tt(t.data);default:return Array.isArray(t.data)}}(t))throw new Error("invalid payload");if(!(void 0===t.id||Ct(t.id)))throw new Error("invalid packet id")},Rt.prototype.destroy=function(){};var At=ft.Encoder=St,xt=ft.Decoder=Rt,Ut=Object.freeze(t({__proto__:null,default:ft,protocol:wt,get PacketType(){return mt},Encoder:At,Decoder:xt},[ft]));function Lt(t,e,n){return t.on(e,n),function(){t.off(e,n)}}var Bt=Object.freeze({connect:1,connect_error:1,disconnect:1,disconnecting:1,newListener:1,removeListener:1}),jt=function(t){s(r,t);var e=f(r);function r(t,i,o){var s;return n(this,r),(s=e.call(this)).connected=!1,s.disconnected=!0,s.receiveBuffer=[],s.sendBuffer=[],s.ids=0,s.acks={},s.flags={},s.io=t,s.nsp=i,o&&o.auth&&(s.auth=o.auth),s.io._autoConnect&&s.open(),s}return i(r,[{key:"subEvents",value:function(){if(!this.subs){var t=this.io;this.subs=[Lt(t,"open",this.onopen.bind(this)),Lt(t,"packet",this.onpacket.bind(this)),Lt(t,"error",this.onerror.bind(this)),Lt(t,"close",this.onclose.bind(this))]}}},{key:"active",get:function(){return!!this.subs}},{key:"connect",value:function(){return this.connected||(this.subEvents(),this.io._reconnecting||this.io.open(),"open"===this.io._readyState&&this.onopen()),this}},{key:"open",value:function(){return this.connect()}},{key:"send",value:function(){for(var t=arguments.length,e=new Array(t),n=0;n<t;n++)e[n]=arguments[n];return e.unshift("message"),this.emit.apply(this,e),this}},{key:"emit",value:function(t){if(Bt.hasOwnProperty(t))throw new Error('"'+t+'" is a reserved event name');for(var e=arguments.length,n=new Array(e>1?e-1:0),r=1;r<e;r++)n[r-1]=arguments[r];n.unshift(t);var i={type:mt.EVENT,data:n,options:{}};if(i.options.compress=!1!==this.flags.compress,"function"==typeof n[n.length-1]){var o=this.ids++,s=n.pop();this._registerAckCallback(o,s),i.id=o}var a=this.io.engine&&this.io.engine.transport&&this.io.engine.transport.writable,c=this.flags.volatile&&(!a||!this.connected);return c||(this.connected?this.packet(i):this.sendBuffer.push(i)),this.flags={},this}},{key:"_registerAckCallback",value:function(t,e){var n=this,r=this.flags.timeout;if(void 0!==r){var i=this.io.setTimeoutFn((function(){delete n.acks[t];for(var r=0;r<n.sendBuffer.length;r++)n.sendBuffer[r].id===t&&n.sendBuffer.splice(r,1);e.call(n,new Error("operation has timed out"))}),r);this.acks[t]=function(){n.io.clearTimeoutFn(i);for(var t=arguments.length,r=new Array(t),o=0;o<t;o++)r[o]=arguments[o];e.apply(n,[null].concat(r))}}else this.acks[t]=e}},{key:"packet",value:function(t){t.nsp=this.nsp,this.io._packet(t)}},{key:"onopen",value:function(){var t=this;"function"==typeof this.auth?this.auth((function(e){t.packet({type:mt.CONNECT,data:e})})):this.packet({type:mt.CONNECT,data:this.auth})}},{key:"onerror",value:function(t){this.connected||this.emitReserved("connect_error",t)}},{key:"onclose",value:function(t){this.connected=!1,this.disconnected=!0,delete this.id,this.emitReserved("disconnect",t)}},{key:"onpacket",value:function(t){if(t.nsp===this.nsp)switch(t.type){case mt.CONNECT:if(t.data&&t.data.sid){var e=t.data.sid;this.onconnect(e)}else this.emitReserved("connect_error",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 mt.EVENT:case mt.BINARY_EVENT:this.onevent(t);break;case mt.ACK:case mt.BINARY_ACK:this.onack(t);break;case mt.DISCONNECT:this.ondisconnect();break;case mt.CONNECT_ERROR:this.destroy();var n=new Error(t.data.message);n.data=t.data.data,this.emitReserved("connect_error",n)}}},{key:"onevent",value:function(t){var e=t.data||[];null!=t.id&&e.push(this.ack(t.id)),this.connected?this.emitEvent(e):this.receiveBuffer.push(Object.freeze(e))}},{key:"emitEvent",value:function(t){if(this._anyListeners&&this._anyListeners.length){var e,n=d(this._anyListeners.slice());try{for(n.s();!(e=n.n()).done;){e.value.apply(this,t)}}catch(t){n.e(t)}finally{n.f()}}p(a(r.prototype),"emit",this).apply(this,t)}},{key:"ack",value:function(t){var e=this,n=!1;return function(){if(!n){n=!0;for(var r=arguments.length,i=new Array(r),o=0;o<r;o++)i[o]=arguments[o];e.packet({type:mt.ACK,id:t,data:i})}}}},{key:"onack",value:function(t){var e=this.acks[t.id];"function"==typeof e&&(e.apply(this,t.data),delete this.acks[t.id])}},{key:"onconnect",value:function(t){this.id=t,this.connected=!0,this.disconnected=!1,this.emitBuffered(),this.emitReserved("connect")}},{key:"emitBuffered",value:function(){var t=this;this.receiveBuffer.forEach((function(e){return t.emitEvent(e)})),this.receiveBuffer=[],this.sendBuffer.forEach((function(e){return t.packet(e)})),this.sendBuffer=[]}},{key:"ondisconnect",value:function(){this.destroy(),this.onclose("io server disconnect")}},{key:"destroy",value:function(){this.subs&&(this.subs.forEach((function(t){return t()})),this.subs=void 0),this.io._destroy(this)}},{key:"disconnect",value:function(){return this.connected&&this.packet({type:mt.DISCONNECT}),this.destroy(),this.connected&&this.onclose("io client disconnect"),this}},{key:"close",value:function(){return this.disconnect()}},{key:"compress",value:function(t){return this.flags.compress=t,this}},{key:"volatile",get:function(){return this.flags.volatile=!0,this}},{key:"timeout",value:function(t){return this.flags.timeout=t,this}},{key:"onAny",value:function(t){return this._anyListeners=this._anyListeners||[],this._anyListeners.push(t),this}},{key:"prependAny",value:function(t){return this._anyListeners=this._anyListeners||[],this._anyListeners.unshift(t),this}},{key:"offAny",value:function(t){if(!this._anyListeners)return this;if(t){for(var e=this._anyListeners,n=0;n<e.length;n++)if(t===e[n])return e.splice(n,1),this}else this._anyListeners=[];return this}},{key:"listenersAny",value:function(){return this._anyListeners||[]}}]),r}(T),Nt=Pt;function Pt(t){t=t||{},this.ms=t.min||100,this.max=t.max||1e4,this.factor=t.factor||2,this.jitter=t.jitter>0&&t.jitter<=1?t.jitter:0,this.attempts=0}Pt.prototype.duration=function(){var t=this.ms*Math.pow(this.factor,this.attempts++);if(this.jitter){var e=Math.random(),n=Math.floor(e*this.jitter*t);t=0==(1&Math.floor(10*e))?t-n:t+n}return 0|Math.min(t,this.max)},Pt.prototype.reset=function(){this.attempts=0},Pt.prototype.setMin=function(t){this.ms=t},Pt.prototype.setMax=function(t){this.max=t},Pt.prototype.setJitter=function(t){this.jitter=t};var qt=function(t){s(o,t);var r=f(o);function o(t,i){var s,a;n(this,o),(s=r.call(this)).nsps={},s.subs=[],t&&"object"===e(t)&&(i=t,t=void 0),(i=i||{}).path=i.path||"/socket.io",s.opts=i,O(h(s),i),s.reconnection(!1!==i.reconnection),s.reconnectionAttempts(i.reconnectionAttempts||1/0),s.reconnectionDelay(i.reconnectionDelay||1e3),s.reconnectionDelayMax(i.reconnectionDelayMax||5e3),s.randomizationFactor(null!==(a=i.randomizationFactor)&&void 0!==a?a:.5),s.backoff=new Nt({min:s.reconnectionDelay(),max:s.reconnectionDelayMax(),jitter:s.randomizationFactor()}),s.timeout(null==i.timeout?2e4:i.timeout),s._readyState="closed",s.uri=t;var c=i.parser||Ut;return s.encoder=new c.Encoder,s.decoder=new c.Decoder,s._autoConnect=!1!==i.autoConnect,s._autoConnect&&s.open(),s}return i(o,[{key:"reconnection",value:function(t){return arguments.length?(this._reconnection=!!t,this):this._reconnection}},{key:"reconnectionAttempts",value:function(t){return void 0===t?this._reconnectionAttempts:(this._reconnectionAttempts=t,this)}},{key:"reconnectionDelay",value:function(t){var e;return void 0===t?this._reconnectionDelay:(this._reconnectionDelay=t,null===(e=this.backoff)||void 0===e||e.setMin(t),this)}},{key:"randomizationFactor",value:function(t){var e;return void 0===t?this._randomizationFactor:(this._randomizationFactor=t,null===(e=this.backoff)||void 0===e||e.setJitter(t),this)}},{key:"reconnectionDelayMax",value:function(t){var e;return void 0===t?this._reconnectionDelayMax:(this._reconnectionDelayMax=t,null===(e=this.backoff)||void 0===e||e.setMax(t),this)}},{key:"timeout",value:function(t){return arguments.length?(this._timeout=t,this):this._timeout}},{key:"maybeReconnectOnOpen",value:function(){!this._reconnecting&&this._reconnection&&0===this.backoff.attempts&&this.reconnect()}},{key:"open",value:function(t){var e=this;if(~this._readyState.indexOf("open"))return this;this.engine=new ut(this.uri,this.opts);var n=this.engine,r=this;this._readyState="opening",this.skipReconnect=!1;var i=Lt(n,"open",(function(){r.onopen(),t&&t()})),o=Lt(n,"error",(function(n){r.cleanup(),r._readyState="closed",e.emitReserved("error",n),t?t(n):r.maybeReconnectOnOpen()}));if(!1!==this._timeout){var s=this._timeout;0===s&&i();var a=this.setTimeoutFn((function(){i(),n.close(),n.emit("error",new Error("timeout"))}),s);this.opts.autoUnref&&a.unref(),this.subs.push((function(){clearTimeout(a)}))}return this.subs.push(i),this.subs.push(o),this}},{key:"connect",value:function(t){return this.open(t)}},{key:"onopen",value:function(){this.cleanup(),this._readyState="open",this.emitReserved("open");var t=this.engine;this.subs.push(Lt(t,"ping",this.onping.bind(this)),Lt(t,"data",this.ondata.bind(this)),Lt(t,"error",this.onerror.bind(this)),Lt(t,"close",this.onclose.bind(this)),Lt(this.decoder,"decoded",this.ondecoded.bind(this)))}},{key:"onping",value:function(){this.emitReserved("ping")}},{key:"ondata",value:function(t){this.decoder.add(t)}},{key:"ondecoded",value:function(t){this.emitReserved("packet",t)}},{key:"onerror",value:function(t){this.emitReserved("error",t)}},{key:"socket",value:function(t,e){var n=this.nsps[t];return n||(n=new jt(this,t,e),this.nsps[t]=n),n}},{key:"_destroy",value:function(t){for(var e=0,n=Object.keys(this.nsps);e<n.length;e++){var r=n[e];if(this.nsps[r].active)return}this._close()}},{key:"_packet",value:function(t){for(var e=this.encoder.encode(t),n=0;n<e.length;n++)this.engine.write(e[n],t.options)}},{key:"cleanup",value:function(){this.subs.forEach((function(t){return t()})),this.subs.length=0,this.decoder.destroy()}},{key:"_close",value:function(){this.skipReconnect=!0,this._reconnecting=!1,this.onclose("forced close"),this.engine&&this.engine.close()}},{key:"disconnect",value:function(){return this._close()}},{key:"onclose",value:function(t){this.cleanup(),this.backoff.reset(),this._readyState="closed",this.emitReserved("close",t),this._reconnection&&!this.skipReconnect&&this.reconnect()}},{key:"reconnect",value:function(){var t=this;if(this._reconnecting||this.skipReconnect)return this;var e=this;if(this.backoff.attempts>=this._reconnectionAttempts)this.backoff.reset(),this.emitReserved("reconnect_failed"),this._reconnecting=!1;else{var n=this.backoff.duration();this._reconnecting=!0;var r=this.setTimeoutFn((function(){e.skipReconnect||(t.emitReserved("reconnect_attempt",e.backoff.attempts),e.skipReconnect||e.open((function(n){n?(e._reconnecting=!1,e.reconnect(),t.emitReserved("reconnect_error",n)):e.onreconnect()})))}),n);this.opts.autoUnref&&r.unref(),this.subs.push((function(){clearTimeout(r)}))}}},{key:"onreconnect",value:function(){var t=this.backoff.attempts;this._reconnecting=!1,this.backoff.reset(),this.emitReserved("reconnect",t)}}]),o}(T),Dt={};function It(t,n){"object"===e(t)&&(n=t,t=void 0);var r,i=function(t){var e=arguments.length>1&&void 0!==arguments[1]?arguments[1]:"",n=arguments.length>2?arguments[2]:void 0,r=t;n=n||"undefined"!=typeof location&&location,null==t&&(t=n.protocol+"//"+n.host),"string"==typeof t&&("/"===t.charAt(0)&&(t="/"===t.charAt(1)?n.protocol+t:n.host+t),/^(https?|wss?):\/\//.test(t)||(t=void 0!==n?n.protocol+"//"+t:"https://"+t),r=g(t)),r.port||(/^(http|ws)$/.test(r.protocol)?r.port="80":/^(http|ws)s$/.test(r.protocol)&&(r.port="443")),r.path=r.path||"/";var i=-1!==r.host.indexOf(":")?"["+r.host+"]":r.host;return r.id=r.protocol+"://"+i+":"+r.port+e,r.href=r.protocol+"://"+i+(n&&n.port===r.port?"":":"+r.port),r}(t,(n=n||{}).path||"/socket.io"),o=i.source,s=i.id,a=i.path,c=Dt[s]&&a in Dt[s].nsps;return n.forceNew||n["force new connection"]||!1===n.multiplex||c?r=new qt(o,n):(Dt[s]||(Dt[s]=new qt(o,n)),r=Dt[s]),i.query&&!n.query&&(n.query=i.queryKey),r.socket(i.path,n)}return o(It,{Manager:qt,Socket:jt,io:It,connect:It}),It}));
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t=this.query||{},e=this.opts.secure?"wss":"ws",n="";this.opts.port&&("wss"===e&&443!==Number(this.opts.port)||"ws"===e&&80!==Number(this.opts.port))&&(n=":"+this.opts.port),this.opts.timestampRequests&&(t[this.opts.timestampParam]=X()),this.supportsBinary||(t.b64=1);var r=K(t);return e+"://"+(-1!==this.opts.hostname.indexOf(":")?"["+this.opts.hostname+"]":this.opts.hostname)+n+this.opts.path+(r.length?"?"+r:"")}},{key:"check",value:function(){return!(!st||"__initialize"in st&&this.name===r.prototype.name)}}]),r}(F),ct={websocket:at,polling:et},ut=/^(?:(?![^:@]+:[^:@\/]*@)(http|https|ws|wss):\/\/)?((?:(([^:@]*)(?::([^:@]*))?)?@)?((?:[a-f0-9]{0,4}:){2,7}[a-f0-9]{0,4}|[^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/,ht=["source","protocol","authority","userInfo","user","password","host","port","relative","path","directory","file","query","anchor"];function ft(t){var e=t,n=t.indexOf("["),r=t.indexOf("]");-1!=n&&-1!=r&&(t=t.substring(0,n)+t.substring(n,r).replace(/:/g,";")+t.substring(r,t.length));for(var i,s,o=ut.exec(t||""),a={},c=14;c--;)a[ht[c]]=o[c]||"";return-1!=n&&-1!=r&&(a.source=e,a.host=a.host.substring(1,a.host.length-1).replace(/;/g,":"),a.authority=a.authority.replace("[","").replace("]","").replace(/;/g,":"),a.ipv6uri=!0),a.pathNames=function(t,e){var n=/\/{2,9}/g,r=e.replace(n,"/").split("/");"/"!=e.substr(0,1)&&0!==e.length||r.splice(0,1);"/"==e.substr(e.length-1,1)&&r.splice(r.length-1,1);return r}(0,a.path),a.queryKey=(i=a.query,s={},i.replace(/(?:^|&)([^&=]*)=?([^&]*)/g,(function(t,e,n){e&&(s[e]=n)})),s),a}var lt=function(t){o(a,t);var r=d(a);function a(t){var i,o=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return 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i=function(){r||(n.send([{type:"ping",data:"probe"}]),n.once("packet",(function(t){if(!r)if("pong"===t.type&&"probe"===t.data){if(e.upgrading=!0,e.emitReserved("upgrading",n),!n)return;a.priorWebsocketSuccess="websocket"===n.name,e.transport.pause((function(){r||"closed"!==e.readyState&&(f(),e.setTransport(n),n.send([{type:"upgrade"}]),e.emitReserved("upgrade",n),n=null,e.upgrading=!1,e.flush())}))}else{var i=new Error("probe error");i.transport=n.name,e.emitReserved("upgradeError",i)}})))};function s(){r||(r=!0,f(),n.close(),n=null)}var o=function(t){var r=new Error("probe error: "+t);r.transport=n.name,s(),e.emitReserved("upgradeError",r)};function c(){o("transport closed")}function u(){o("socket closed")}function h(t){n&&t.name!==n.name&&s()}var f=function(){n.removeListener("open",i),n.removeListener("error",o),n.removeListener("close",c),e.off("close",u),e.off("upgrading",h)};n.once("open",i),n.once("error",o),n.once("close",c),this.once("close",u),this.once("upgrading",h),n.open()}},{key:"onOpen",value:function(){if(this.readyState="open",a.priorWebsocketSuccess="websocket"===this.transport.name,this.emitReserved("open"),this.flush(),"open"===this.readyState&&this.opts.upgrade&&this.transport.pause)for(var t=0,e=this.upgrades.length;t<e;t++)this.probe(this.upgrades[t])}},{key:"onPacket",value:function(t){if("opening"===this.readyState||"open"===this.readyState||"closing"===this.readyState)switch(this.emitReserved("packet",t),this.emitReserved("heartbeat"),t.type){case"open":this.onHandshake(JSON.parse(t.data));break;case"ping":this.resetPingTimeout(),this.sendPacket("pong"),this.emitReserved("ping"),this.emitReserved("pong");break;case"error":var e=new Error("server error");e.code=t.data,this.onError(e);break;case"message":this.emitReserved("data",t.data),this.emitReserved("message",t.data)}}},{key:"onHandshake",value:function(t){this.emitReserved("handshake",t),this.id=t.sid,this.transport.query.sid=t.sid,this.upgrades=this.filterUpgrades(t.upgrades),this.pingInterval=t.pingInterval,this.pingTimeout=t.pingTimeout,this.maxPayload=t.maxPayload,this.onOpen(),"closed"!==this.readyState&&this.resetPingTimeout()}},{key:"resetPingTimeout",value:function(){var t=this;this.clearTimeoutFn(this.pingTimeoutTimer),this.pingTimeoutTimer=this.setTimeoutFn((function(){t.onClose("ping timeout")}),this.pingInterval+this.pingTimeout),this.opts.autoUnref&&this.pingTimeoutTimer.unref()}},{key:"onDrain",value:function(){this.writeBuffer.splice(0,this.prevBufferLen),this.prevBufferLen=0,0===this.writeBuffer.length?this.emitReserved("drain"):this.flush()}},{key:"flush",value:function(){if("closed"!==this.readyState&&this.transport.writable&&!this.upgrading&&this.writeBuffer.length){var t=this.getWritablePackets();this.transport.send(t),this.prevBufferLen=t.length,this.emitReserved("flush")}}},{key:"getWritablePackets",value:function(){if(!(this.maxPayload&&"polling"===this.transport.name&&this.writeBuffer.length>1))return this.writeBuffer;for(var t,e=1,n=0;n<this.writeBuffer.length;n++){var r=this.writeBuffer[n].data;if(r&&(e+="string"==typeof(t=r)?function(t){for(var e=0,n=0,r=0,i=t.length;r<i;r++)(e=t.charCodeAt(r))<128?n+=1:e<2048?n+=2:e<55296||e>=57344?n+=3:(r++,n+=4);return n}(t):Math.ceil(1.33*(t.byteLength||t.size))),n>0&&e>this.maxPayload)return this.writeBuffer.slice(0,n);e+=2}return this.writeBuffer}},{key:"write",value:function(t,e,n){return this.sendPacket("message",t,e,n),this}},{key:"send",value:function(t,e,n){return this.sendPacket("message",t,e,n),this}},{key:"sendPacket",value:function(t,e,n,r){if("function"==typeof e&&(r=e,e=void 0),"function"==typeof n&&(r=n,n=null),"closing"!==this.readyState&&"closed"!==this.readyState){(n=n||{}).compress=!1!==n.compress;var i={type:t,data:e,options:n};this.emitReserved("packetCreate",i),this.writeBuffer.push(i),r&&this.once("flush",r),this.flush()}}},{key:"close",value:function(){var t=this,e=function(){t.onClose("forced close"),t.transport.close()},n=function n(){t.off("upgrade",n),t.off("upgradeError",n),e()},r=function(){t.once("upgrade",n),t.once("upgradeError",n)};return"opening"!==this.readyState&&"open"!==this.readyState||(this.readyState="closing",this.writeBuffer.length?this.once("drain",(function(){t.upgrading?r():e()})):this.upgrading?r():e()),this}},{key:"onError",value:function(t){a.priorWebsocketSuccess=!1,this.emitReserved("error",t),this.onClose("transport error",t)}},{key:"onClose",value:function(t,e){"opening"!==this.readyState&&"open"!==this.readyState&&"closing"!==this.readyState||(this.clearTimeoutFn(this.pingTimeoutTimer),this.transport.removeAllListeners("close"),this.transport.close(),this.transport.removeAllListeners(),"function"==typeof removeEventListener&&removeEventListener("offline",this.offlineEventListener,!1),this.readyState="closed",this.id=null,this.emitReserved("close",t,e),this.writeBuffer=[],this.prevBufferLen=0)}},{key:"filterUpgrades",value:function(t){for(var e=[],n=0,r=t.length;n<r;n++)~this.transports.indexOf(t[n])&&e.push(t[n]);return e}}]),a}(U);lt.protocol=4;var pt={},dt={};function yt(t,e,n){for(var r=0,i=0,s=n.length;i<s;i++)(r=n.charCodeAt(i))<128?t.setUint8(e++,r):r<2048?(t.setUint8(e++,192|r>>6),t.setUint8(e++,128|63&r)):r<55296||r>=57344?(t.setUint8(e++,224|r>>12),t.setUint8(e++,128|r>>6&63),t.setUint8(e++,128|63&r)):(i++,r=65536+((1023&r)<<10|1023&n.charCodeAt(i)),t.setUint8(e++,240|r>>18),t.setUint8(e++,128|r>>12&63),t.setUint8(e++,128|r>>6&63),t.setUint8(e++,128|63&r))}function vt(t,n,r){var i=e(r),s=0,o=0,a=0,c=0,u=0,h=0;if("string"===i){if(u=function(t){for(var e=0,n=0,r=0,i=t.length;r<i;r++)(e=t.charCodeAt(r))<128?n+=1:e<2048?n+=2:e<55296||e>=57344?n+=3:(r++,n+=4);return n}(r),u<32)t.push(160|u),h=1;else if(u<256)t.push(217,u),h=2;else if(u<65536)t.push(218,u>>8,u),h=3;else{if(!(u<4294967296))throw new Error("String too long");t.push(219,u>>24,u>>16,u>>8,u),h=5}return n.push({_str:r,_length:u,_offset:t.length}),h+u}if("number"===i)return Math.floor(r)===r&&isFinite(r)?r>=0?r<128?(t.push(r),1):r<256?(t.push(204,r),2):r<65536?(t.push(205,r>>8,r),3):r<4294967296?(t.push(206,r>>24,r>>16,r>>8,r),5):(a=r/Math.pow(2,32)>>0,c=r>>>0,t.push(207,a>>24,a>>16,a>>8,a,c>>24,c>>16,c>>8,c),9):r>=-32?(t.push(r),1):r>=-128?(t.push(208,r),2):r>=-32768?(t.push(209,r>>8,r),3):r>=-2147483648?(t.push(210,r>>24,r>>16,r>>8,r),5):(a=Math.floor(r/Math.pow(2,32)),c=r>>>0,t.push(211,a>>24,a>>16,a>>8,a,c>>24,c>>16,c>>8,c),9):(t.push(203),n.push({_float:r,_length:8,_offset:t.length}),9);if("object"===i){if(null===r)return t.push(192),1;if(Array.isArray(r)){if((u=r.length)<16)t.push(144|u),h=1;else if(u<65536)t.push(220,u>>8,u),h=3;else{if(!(u<4294967296))throw new Error("Array too large");t.push(221,u>>24,u>>16,u>>8,u),h=5}for(s=0;s<u;s++)h+=vt(t,n,r[s]);return h}if(r instanceof Date){var f=r.getTime();return a=Math.floor(f/Math.pow(2,32)),c=f>>>0,t.push(215,0,a>>24,a>>16,a>>8,a,c>>24,c>>16,c>>8,c),10}if(r instanceof ArrayBuffer){if((u=r.byteLength)<256)t.push(196,u),h=2;else if(u<65536)t.push(197,u>>8,u),h=3;else{if(!(u<4294967296))throw new Error("Buffer too large");t.push(198,u>>24,u>>16,u>>8,u),h=5}return n.push({_bin:r,_length:u,_offset:t.length}),h+u}if("function"==typeof r.toJSON)return vt(t,n,r.toJSON());var l=[],p="",d=Object.keys(r);for(s=0,o=d.length;s<o;s++)"function"!=typeof r[p=d[s]]&&l.push(p);if((u=l.length)<16)t.push(128|u),h=1;else if(u<65536)t.push(222,u>>8,u),h=3;else{if(!(u<4294967296))throw new Error("Object too large");t.push(223,u>>24,u>>16,u>>8,u),h=5}for(s=0;s<u;s++)h+=vt(t,n,p=l[s]),h+=vt(t,n,r[p]);return h}if("boolean"===i)return t.push(r?195:194),1;if("undefined"===i)return t.push(212,0,0),3;throw new Error("Could not encode")}var gt=function(t){var e=[],n=[],r=vt(e,n,t),i=new ArrayBuffer(r),s=new DataView(i),o=0,a=0,c=-1;n.length>0&&(c=n[0]._offset);for(var u,h=0,f=0,l=0,p=e.length;l<p;l++)if(s.setUint8(a+l,e[l]),l+1===c){if(h=(u=n[o])._length,f=a+c,u._bin)for(var d=new Uint8Array(u._bin),y=0;y<h;y++)s.setUint8(f+y,d[y]);else u._str?yt(s,f,u._str):void 0!==u._float&&s.setFloat64(f,u._float);a+=h,n[++o]&&(c=n[o]._offset)}return i};function mt(t){if(this._offset=0,t instanceof ArrayBuffer)this._buffer=t,this._view=new DataView(this._buffer);else{if(!ArrayBuffer.isView(t))throw new Error("Invalid argument");this._buffer=t.buffer,this._view=new DataView(this._buffer,t.byteOffset,t.byteLength)}}mt.prototype._array=function(t){for(var e=new Array(t),n=0;n<t;n++)e[n]=this._parse();return e},mt.prototype._map=function(t){for(var e={},n=0;n<t;n++)e[this._parse()]=this._parse();return e},mt.prototype._str=function(t){var e=function(t,e,n){for(var r="",i=0,s=e,o=e+n;s<o;s++){var a=t.getUint8(s);if(0!=(128&a))if(192!=(224&a))if(224!=(240&a)){if(240!=(248&a))throw new Error("Invalid byte "+a.toString(16));(i=(7&a)<<18|(63&t.getUint8(++s))<<12|(63&t.getUint8(++s))<<6|(63&t.getUint8(++s))<<0)>=65536?(i-=65536,r+=String.fromCharCode(55296+(i>>>10),56320+(1023&i))):r+=String.fromCharCode(i)}else r+=String.fromCharCode((15&a)<<12|(63&t.getUint8(++s))<<6|(63&t.getUint8(++s))<<0);else r+=String.fromCharCode((31&a)<<6|63&t.getUint8(++s));else r+=String.fromCharCode(a)}return r}(this._view,this._offset,t);return this._offset+=t,e},mt.prototype._bin=function(t){var e=this._buffer.slice(this._offset,this._offset+t);return this._offset+=t,e},mt.prototype._parse=function(){var t,e=this._view.getUint8(this._offset++),n=0,r=0,i=0,s=0;if(e<192)return e<128?e:e<144?this._map(15&e):e<160?this._array(15&e):this._str(31&e);if(e>223)return-1*(255-e+1);switch(e){case 192:return null;case 194:return!1;case 195:return!0;case 196:return n=this._view.getUint8(this._offset),this._offset+=1,this._bin(n);case 197:return n=this._view.getUint16(this._offset),this._offset+=2,this._bin(n);case 198:return n=this._view.getUint32(this._offset),this._offset+=4,this._bin(n);case 199:return n=this._view.getUint8(this._offset),r=this._view.getInt8(this._offset+1),this._offset+=2,[r,this._bin(n)];case 200:return n=this._view.getUint16(this._offset),r=this._view.getInt8(this._offset+2),this._offset+=3,[r,this._bin(n)];case 201:return n=this._view.getUint32(this._offset),r=this._view.getInt8(this._offset+4),this._offset+=5,[r,this._bin(n)];case 202:return t=this._view.getFloat32(this._offset),this._offset+=4,t;case 203:return t=this._view.getFloat64(this._offset),this._offset+=8,t;case 204:return t=this._view.getUint8(this._offset),this._offset+=1,t;case 205:return t=this._view.getUint16(this._offset),this._offset+=2,t;case 206:return t=this._view.getUint32(this._offset),this._offset+=4,t;case 207:return i=this._view.getUint32(this._offset)*Math.pow(2,32),s=this._view.getUint32(this._offset+4),this._offset+=8,i+s;case 208:return t=this._view.getInt8(this._offset),this._offset+=1,t;case 209:return t=this._view.getInt16(this._offset),this._offset+=2,t;case 210:return t=this._view.getInt32(this._offset),this._offset+=4,t;case 211:return i=this._view.getInt32(this._offset)*Math.pow(2,32),s=this._view.getUint32(this._offset+4),this._offset+=8,i+s;case 212:return r=this._view.getInt8(this._offset),this._offset+=1,0===r?void(this._offset+=1):[r,this._bin(1)];case 213:return r=this._view.getInt8(this._offset),this._offset+=1,[r,this._bin(2)];case 214:return r=this._view.getInt8(this._offset),this._offset+=1,[r,this._bin(4)];case 215:return r=this._view.getInt8(this._offset),this._offset+=1,0===r?(i=this._view.getInt32(this._offset)*Math.pow(2,32),s=this._view.getUint32(this._offset+4),this._offset+=8,new Date(i+s)):[r,this._bin(8)];case 216:return r=this._view.getInt8(this._offset),this._offset+=1,[r,this._bin(16)];case 217:return n=this._view.getUint8(this._offset),this._offset+=1,this._str(n);case 218:return n=this._view.getUint16(this._offset),this._offset+=2,this._str(n);case 219:return n=this._view.getUint32(this._offset),this._offset+=4,this._str(n);case 220:return n=this._view.getUint16(this._offset),this._offset+=2,this._array(n);case 221:return n=this._view.getUint32(this._offset),this._offset+=4,this._array(n);case 222:return n=this._view.getUint16(this._offset),this._offset+=2,this._map(n);case 223:return n=this._view.getUint32(this._offset),this._offset+=4,this._map(n)}throw new Error("Could not parse")};var _t=function(t){var e=new mt(t),n=e._parse();if(e._offset!==t.byteLength)throw new Error(t.byteLength-e._offset+" trailing bytes");return n};dt.encode=gt,dt.decode=_t;var bt,kt={exports:{}};!function(t){function e(t){if(t)return function(t){for(var n in e.prototype)t[n]=e.prototype[n];return t}(t)}t.exports=e,e.prototype.on=e.prototype.addEventListener=function(t,e){return this._callbacks=this._callbacks||{},(this._callbacks["$"+t]=this._callbacks["$"+t]||[]).push(e),this},e.prototype.once=function(t,e){function n(){this.off(t,n),e.apply(this,arguments)}return n.fn=e,this.on(t,n),this},e.prototype.off=e.prototype.removeListener=e.prototype.removeAllListeners=e.prototype.removeEventListener=function(t,e){if(this._callbacks=this._callbacks||{},0==arguments.length)return this._callbacks={},this;var n,r=this._callbacks["$"+t];if(!r)return this;if(1==arguments.length)return delete this._callbacks["$"+t],this;for(var i=0;i<r.length;i++)if((n=r[i])===e||n.fn===e){r.splice(i,1);break}return 0===r.length&&delete this._callbacks["$"+t],this},e.prototype.emit=function(t){this._callbacks=this._callbacks||{};for(var e=new Array(arguments.length-1),n=this._callbacks["$"+t],r=1;r<arguments.length;r++)e[r-1]=arguments[r];if(n){r=0;for(var i=(n=n.slice(0)).length;r<i;++r)n[r].apply(this,e)}return this},e.prototype.listeners=function(t){return this._callbacks=this._callbacks||{},this._callbacks["$"+t]||[]},e.prototype.hasListeners=function(t){return!!this.listeners(t).length}}(kt);var wt=dt,Ot=kt.exports,Et=pt.protocol=5,Ct=bt=pt.PacketType={CONNECT:0,DISCONNECT:1,EVENT:2,ACK:3,CONNECT_ERROR:4},Rt=Number.isInteger||function(t){return"number"==typeof t&&isFinite(t)&&Math.floor(t)===t},Tt=function(t){return"string"==typeof t},St=function(t){return"[object Object]"===Object.prototype.toString.call(t)};function At(){}function Lt(){}At.prototype.encode=function(t){return[wt.encode(t)]},Ot(Lt.prototype),Lt.prototype.add=function(t){var e=wt.decode(t);this.checkPacket(e),this.emit("decoded",e)},Lt.prototype.checkPacket=function(t){if(!(Rt(t.type)&&t.type>=Ct.CONNECT&&t.type<=Ct.CONNECT_ERROR))throw new Error("invalid packet type");if(!Tt(t.nsp))throw new Error("invalid namespace");if(!function(t){switch(t.type){case Ct.CONNECT:return void 0===t.data||St(t.data);case Ct.DISCONNECT:return void 0===t.data;case Ct.CONNECT_ERROR:return Tt(t.data)||St(t.data);default:return Array.isArray(t.data)}}(t))throw new Error("invalid payload");if(!(void 0===t.id||Rt(t.id)))throw new Error("invalid packet id")},Lt.prototype.destroy=function(){};var xt=pt.Encoder=At,Bt=pt.Decoder=Lt,Ut=Object.freeze(t({__proto__:null,default:pt,protocol:Et,get PacketType(){return bt},Encoder:xt,Decoder:Bt},[pt]));function jt(t,e,n){return t.on(e,n),function(){t.off(e,n)}}var Pt=Object.freeze({connect:1,connect_error:1,disconnect:1,disconnecting:1,newListener:1,removeListener:1}),Nt=function(t){o(r,t);var e=d(r);function r(t,i,s){var o;return n(this,r),(o=e.call(this)).connected=!1,o.receiveBuffer=[],o.sendBuffer=[],o.ids=0,o.acks={},o.flags={},o.io=t,o.nsp=i,s&&s.auth&&(o.auth=s.auth),o.io._autoConnect&&o.open(),o}return i(r,[{key:"disconnected",get:function(){return!this.connected}},{key:"subEvents",value:function(){if(!this.subs){var t=this.io;this.subs=[jt(t,"open",this.onopen.bind(this)),jt(t,"packet",this.onpacket.bind(this)),jt(t,"error",this.onerror.bind(this)),jt(t,"close",this.onclose.bind(this))]}}},{key:"active",get:function(){return!!this.subs}},{key:"connect",value:function(){return this.connected||(this.subEvents(),this.io._reconnecting||this.io.open(),"open"===this.io._readyState&&this.onopen()),this}},{key:"open",value:function(){return this.connect()}},{key:"send",value:function(){for(var t=arguments.length,e=new Array(t),n=0;n<t;n++)e[n]=arguments[n];return e.unshift("message"),this.emit.apply(this,e),this}},{key:"emit",value:function(t){if(Pt.hasOwnProperty(t))throw new Error('"'+t+'" is a reserved event name');for(var e=arguments.length,n=new Array(e>1?e-1:0),r=1;r<e;r++)n[r-1]=arguments[r];n.unshift(t);var i={type:bt.EVENT,data:n,options:{}};if(i.options.compress=!1!==this.flags.compress,"function"==typeof n[n.length-1]){var s=this.ids++,o=n.pop();this._registerAckCallback(s,o),i.id=s}var a=this.io.engine&&this.io.engine.transport&&this.io.engine.transport.writable,c=this.flags.volatile&&(!a||!this.connected);return c||(this.connected?(this.notifyOutgoingListeners(i),this.packet(i)):this.sendBuffer.push(i)),this.flags={},this}},{key:"_registerAckCallback",value:function(t,e){var n=this,r=this.flags.timeout;if(void 0!==r){var i=this.io.setTimeoutFn((function(){delete n.acks[t];for(var r=0;r<n.sendBuffer.length;r++)n.sendBuffer[r].id===t&&n.sendBuffer.splice(r,1);e.call(n,new Error("operation has timed out"))}),r);this.acks[t]=function(){n.io.clearTimeoutFn(i);for(var t=arguments.length,r=new Array(t),s=0;s<t;s++)r[s]=arguments[s];e.apply(n,[null].concat(r))}}else this.acks[t]=e}},{key:"packet",value:function(t){t.nsp=this.nsp,this.io._packet(t)}},{key:"onopen",value:function(){var t=this;"function"==typeof this.auth?this.auth((function(e){t.packet({type:bt.CONNECT,data:e})})):this.packet({type:bt.CONNECT,data:this.auth})}},{key:"onerror",value:function(t){this.connected||this.emitReserved("connect_error",t)}},{key:"onclose",value:function(t,e){this.connected=!1,delete this.id,this.emitReserved("disconnect",t,e)}},{key:"onpacket",value:function(t){if(t.nsp===this.nsp)switch(t.type){case bt.CONNECT:if(t.data&&t.data.sid){var e=t.data.sid;this.onconnect(e)}else this.emitReserved("connect_error",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 bt.EVENT:case bt.BINARY_EVENT:this.onevent(t);break;case bt.ACK:case bt.BINARY_ACK:this.onack(t);break;case bt.DISCONNECT:this.ondisconnect();break;case bt.CONNECT_ERROR:this.destroy();var n=new Error(t.data.message);n.data=t.data.data,this.emitReserved("connect_error",n)}}},{key:"onevent",value:function(t){var e=t.data||[];null!=t.id&&e.push(this.ack(t.id)),this.connected?this.emitEvent(e):this.receiveBuffer.push(Object.freeze(e))}},{key:"emitEvent",value:function(t){if(this._anyListeners&&this._anyListeners.length){var e,n=g(this._anyListeners.slice());try{for(n.s();!(e=n.n()).done;){e.value.apply(this,t)}}catch(t){n.e(t)}finally{n.f()}}y(a(r.prototype),"emit",this).apply(this,t)}},{key:"ack",value:function(t){var e=this,n=!1;return function(){if(!n){n=!0;for(var r=arguments.length,i=new Array(r),s=0;s<r;s++)i[s]=arguments[s];e.packet({type:bt.ACK,id:t,data:i})}}}},{key:"onack",value:function(t){var e=this.acks[t.id];"function"==typeof e&&(e.apply(this,t.data),delete this.acks[t.id])}},{key:"onconnect",value:function(t){this.id=t,this.connected=!0,this.emitBuffered(),this.emitReserved("connect")}},{key:"emitBuffered",value:function(){var t=this;this.receiveBuffer.forEach((function(e){return t.emitEvent(e)})),this.receiveBuffer=[],this.sendBuffer.forEach((function(e){t.notifyOutgoingListeners(e),t.packet(e)})),this.sendBuffer=[]}},{key:"ondisconnect",value:function(){this.destroy(),this.onclose("io server disconnect")}},{key:"destroy",value:function(){this.subs&&(this.subs.forEach((function(t){return t()})),this.subs=void 0),this.io._destroy(this)}},{key:"disconnect",value:function(){return this.connected&&this.packet({type:bt.DISCONNECT}),this.destroy(),this.connected&&this.onclose("io client disconnect"),this}},{key:"close",value:function(){return this.disconnect()}},{key:"compress",value:function(t){return this.flags.compress=t,this}},{key:"volatile",get:function(){return this.flags.volatile=!0,this}},{key:"timeout",value:function(t){return this.flags.timeout=t,this}},{key:"onAny",value:function(t){return this._anyListeners=this._anyListeners||[],this._anyListeners.push(t),this}},{key:"prependAny",value:function(t){return this._anyListeners=this._anyListeners||[],this._anyListeners.unshift(t),this}},{key:"offAny",value:function(t){if(!this._anyListeners)return this;if(t){for(var e=this._anyListeners,n=0;n<e.length;n++)if(t===e[n])return e.splice(n,1),this}else this._anyListeners=[];return this}},{key:"listenersAny",value:function(){return this._anyListeners||[]}},{key:"onAnyOutgoing",value:function(t){return this._anyOutgoingListeners=this._anyOutgoingListeners||[],this._anyOutgoingListeners.push(t),this}},{key:"prependAnyOutgoing",value:function(t){return this._anyOutgoingListeners=this._anyOutgoingListeners||[],this._anyOutgoingListeners.unshift(t),this}},{key:"offAnyOutgoing",value:function(t){if(!this._anyOutgoingListeners)return this;if(t){for(var e=this._anyOutgoingListeners,n=0;n<e.length;n++)if(t===e[n])return e.splice(n,1),this}else this._anyOutgoingListeners=[];return this}},{key:"listenersAnyOutgoing",value:function(){return this._anyOutgoingListeners||[]}},{key:"notifyOutgoingListeners",value:function(t){if(this._anyOutgoingListeners&&this._anyOutgoingListeners.length){var e,n=g(this._anyOutgoingListeners.slice());try{for(n.s();!(e=n.n()).done;){e.value.apply(this,t.data)}}catch(t){n.e(t)}finally{n.f()}}}}]),r}(U);function qt(t){t=t||{},this.ms=t.min||100,this.max=t.max||1e4,this.factor=t.factor||2,this.jitter=t.jitter>0&&t.jitter<=1?t.jitter:0,this.attempts=0}qt.prototype.duration=function(){var t=this.ms*Math.pow(this.factor,this.attempts++);if(this.jitter){var e=Math.random(),n=Math.floor(e*this.jitter*t);t=0==(1&Math.floor(10*e))?t-n:t+n}return 0|Math.min(t,this.max)},qt.prototype.reset=function(){this.attempts=0},qt.prototype.setMin=function(t){this.ms=t},qt.prototype.setMax=function(t){this.max=t},qt.prototype.setJitter=function(t){this.jitter=t};var Mt=function(t){o(s,t);var r=d(s);function s(t,i){var o,a;n(this,s),(o=r.call(this)).nsps={},o.subs=[],t&&"object"===e(t)&&(i=t,t=void 0),(i=i||{}).path=i.path||"/socket.io",o.opts=i,M(l(o),i),o.reconnection(!1!==i.reconnection),o.reconnectionAttempts(i.reconnectionAttempts||1/0),o.reconnectionDelay(i.reconnectionDelay||1e3),o.reconnectionDelayMax(i.reconnectionDelayMax||5e3),o.randomizationFactor(null!==(a=i.randomizationFactor)&&void 0!==a?a:.5),o.backoff=new qt({min:o.reconnectionDelay(),max:o.reconnectionDelayMax(),jitter:o.randomizationFactor()}),o.timeout(null==i.timeout?2e4:i.timeout),o._readyState="closed",o.uri=t;var c=i.parser||Ut;return o.encoder=new c.Encoder,o.decoder=new c.Decoder,o._autoConnect=!1!==i.autoConnect,o._autoConnect&&o.open(),o}return i(s,[{key:"reconnection",value:function(t){return arguments.length?(this._reconnection=!!t,this):this._reconnection}},{key:"reconnectionAttempts",value:function(t){return void 0===t?this._reconnectionAttempts:(this._reconnectionAttempts=t,this)}},{key:"reconnectionDelay",value:function(t){var e;return void 0===t?this._reconnectionDelay:(this._reconnectionDelay=t,null===(e=this.backoff)||void 0===e||e.setMin(t),this)}},{key:"randomizationFactor",value:function(t){var e;return void 0===t?this._randomizationFactor:(this._randomizationFactor=t,null===(e=this.backoff)||void 0===e||e.setJitter(t),this)}},{key:"reconnectionDelayMax",value:function(t){var e;return void 0===t?this._reconnectionDelayMax:(this._reconnectionDelayMax=t,null===(e=this.backoff)||void 0===e||e.setMax(t),this)}},{key:"timeout",value:function(t){return arguments.length?(this._timeout=t,this):this._timeout}},{key:"maybeReconnectOnOpen",value:function(){!this._reconnecting&&this._reconnection&&0===this.backoff.attempts&&this.reconnect()}},{key:"open",value:function(t){var e=this;if(~this._readyState.indexOf("open"))return this;this.engine=new lt(this.uri,this.opts);var n=this.engine,r=this;this._readyState="opening",this.skipReconnect=!1;var i=jt(n,"open",(function(){r.onopen(),t&&t()})),s=jt(n,"error",(function(n){r.cleanup(),r._readyState="closed",e.emitReserved("error",n),t?t(n):r.maybeReconnectOnOpen()}));if(!1!==this._timeout){var o=this._timeout;0===o&&i();var a=this.setTimeoutFn((function(){i(),n.close(),n.emit("error",new Error("timeout"))}),o);this.opts.autoUnref&&a.unref(),this.subs.push((function(){clearTimeout(a)}))}return this.subs.push(i),this.subs.push(s),this}},{key:"connect",value:function(t){return this.open(t)}},{key:"onopen",value:function(){this.cleanup(),this._readyState="open",this.emitReserved("open");var t=this.engine;this.subs.push(jt(t,"ping",this.onping.bind(this)),jt(t,"data",this.ondata.bind(this)),jt(t,"error",this.onerror.bind(this)),jt(t,"close",this.onclose.bind(this)),jt(this.decoder,"decoded",this.ondecoded.bind(this)))}},{key:"onping",value:function(){this.emitReserved("ping")}},{key:"ondata",value:function(t){this.decoder.add(t)}},{key:"ondecoded",value:function(t){this.emitReserved("packet",t)}},{key:"onerror",value:function(t){this.emitReserved("error",t)}},{key:"socket",value:function(t,e){var n=this.nsps[t];return n||(n=new Nt(this,t,e),this.nsps[t]=n),n}},{key:"_destroy",value:function(t){for(var e=0,n=Object.keys(this.nsps);e<n.length;e++){var r=n[e];if(this.nsps[r].active)return}this._close()}},{key:"_packet",value:function(t){for(var e=this.encoder.encode(t),n=0;n<e.length;n++)this.engine.write(e[n],t.options)}},{key:"cleanup",value:function(){this.subs.forEach((function(t){return t()})),this.subs.length=0,this.decoder.destroy()}},{key:"_close",value:function(){this.skipReconnect=!0,this._reconnecting=!1,this.onclose("forced close"),this.engine&&this.engine.close()}},{key:"disconnect",value:function(){return this._close()}},{key:"onclose",value:function(t,e){this.cleanup(),this.backoff.reset(),this._readyState="closed",this.emitReserved("close",t,e),this._reconnection&&!this.skipReconnect&&this.reconnect()}},{key:"reconnect",value:function(){var t=this;if(this._reconnecting||this.skipReconnect)return this;var e=this;if(this.backoff.attempts>=this._reconnectionAttempts)this.backoff.reset(),this.emitReserved("reconnect_failed"),this._reconnecting=!1;else{var n=this.backoff.duration();this._reconnecting=!0;var r=this.setTimeoutFn((function(){e.skipReconnect||(t.emitReserved("reconnect_attempt",e.backoff.attempts),e.skipReconnect||e.open((function(n){n?(e._reconnecting=!1,e.reconnect(),t.emitReserved("reconnect_error",n)):e.onreconnect()})))}),n);this.opts.autoUnref&&r.unref(),this.subs.push((function(){clearTimeout(r)}))}}},{key:"onreconnect",value:function(){var t=this.backoff.attempts;this._reconnecting=!1,this.backoff.reset(),this.emitReserved("reconnect",t)}}]),s}(U),Dt={};function It(t,n){"object"===e(t)&&(n=t,t=void 0);var r,i=function(t){var e=arguments.length>1&&void 0!==arguments[1]?arguments[1]:"",n=arguments.length>2?arguments[2]:void 0,r=t;n=n||"undefined"!=typeof location&&location,null==t&&(t=n.protocol+"//"+n.host),"string"==typeof t&&("/"===t.charAt(0)&&(t="/"===t.charAt(1)?n.protocol+t:n.host+t),/^(https?|wss?):\/\//.test(t)||(t=void 0!==n?n.protocol+"//"+t:"https://"+t),r=ft(t)),r.port||(/^(http|ws)$/.test(r.protocol)?r.port="80":/^(http|ws)s$/.test(r.protocol)&&(r.port="443")),r.path=r.path||"/";var i=-1!==r.host.indexOf(":")?"["+r.host+"]":r.host;return r.id=r.protocol+"://"+i+":"+r.port+e,r.href=r.protocol+"://"+i+(n&&n.port===r.port?"":":"+r.port),r}(t,(n=n||{}).path||"/socket.io"),s=i.source,o=i.id,a=i.path,c=Dt[o]&&a in Dt[o].nsps;return n.forceNew||n["force new connection"]||!1===n.multiplex||c?r=new Mt(s,n):(Dt[o]||(Dt[o]=new Mt(s,n)),r=Dt[o]),i.query&&!n.query&&(n.query=i.queryKey),r.socket(i.path,n)}return s(It,{Manager:Mt,Socket:Nt,io:It,connect:It}),It}));
//# sourceMappingURL=socket.io.msgpack.min.js.map

10

package.json
{
"name": "socket.io-client",
"version": "4.4.1",
"version": "4.5.0",
"description": "Realtime application framework client",

@@ -35,8 +35,6 @@ "keywords": [

"dependencies": {
"@socket.io/component-emitter": "~3.0.0",
"backo2": "~1.0.2",
"@socket.io/component-emitter": "~3.1.0",
"debug": "~4.3.2",
"engine.io-client": "~6.1.1",
"parseuri": "0.0.6",
"socket.io-parser": "~4.1.1"
"engine.io-client": "~6.2.1",
"socket.io-parser": "~4.2.0"
},

@@ -43,0 +41,0 @@ "devDependencies": {

4

README.md
# socket.io-client
[![Build Status](https://github.com/socketio/socket.io-client/workflows/CI/badge.svg?branch=master)](https://github.com/socketio/socket.io-client/actions)
[![Dependency Status](https://david-dm.org/socketio/socket.io-client.svg)](https://david-dm.org/socketio/socket.io-client)
[![devDependency Status](https://david-dm.org/socketio/socket.io-client/dev-status.svg)](https://david-dm.org/socketio/socket.io-client#info=devDependencies)
[![Build Status](https://github.com/socketio/socket.io-client/workflows/CI/badge.svg?branch=main)](https://github.com/socketio/socket.io-client/actions)
[![NPM version](https://badge.fury.io/js/socket.io-client.svg)](https://www.npmjs.com/package/socket.io-client)

@@ -8,0 +6,0 @@ ![Downloads](http://img.shields.io/npm/dm/socket.io-client.svg?style=flat)

dist/socket.io.esm.min.js.map

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dist/socket.io.js

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dist/socket.io.js.map

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dist/socket.io.min.js.map

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dist/socket.io.msgpack.min.js.map

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