Huge News!Announcing our $40M Series B led by Abstract Ventures.Learn More
Socket
Sign inDemoInstall
Socket

engine.io-client

Package Overview
Dependencies
Maintainers
2
Versions
159
Alerts
File Explorer

Advanced tools

Socket logo

Install Socket

Detect and block malicious and high-risk dependencies

Install

engine.io-client - npm Package Compare versions

Comparing version 5.1.2 to 5.2.0

8

CHANGELOG.md

@@ -0,1 +1,9 @@

# [5.2.0](https://github.com/socketio/engine.io-client/compare/5.1.2...5.2.0) (2021-08-29)
### Features
* add an option to use native timer functions ([#672](https://github.com/socketio/engine.io-client/issues/672)) ([5d1d5be](https://github.com/socketio/engine.io-client/commit/5d1d5bea11ab6854473ddc02a3391929ea4fc8f4))
## [5.1.2](https://github.com/socketio/engine.io-client/compare/5.1.1...5.1.2) (2021-06-24)

@@ -2,0 +10,0 @@

4

dist/engine.io.min.js
/*!
* Engine.IO v5.1.2
* Engine.IO v5.2.0
* (c) 2014-2021 Guillermo Rauch
* Released under the MIT License.
*/
!function(t,e){"object"==typeof exports&&"object"==typeof module?module.exports=e():"function"==typeof define&&define.amd?define([],e):"object"==typeof exports?exports.eio=e():t.eio=e()}(self,(function(){return function(t){var e={};function r(n){if(e[n])return e[n].exports;var o=e[n]={i:n,l:!1,exports:{}};return t[n].call(o.exports,o,o.exports,r),o.l=!0,o.exports}return r.m=t,r.c=e,r.d=function(t,e,n){r.o(t,e)||Object.defineProperty(t,e,{enumerable:!0,get:n})},r.r=function(t){"undefined"!=typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(t,Symbol.toStringTag,{value:"Module"}),Object.defineProperty(t,"__esModule",{value:!0})},r.t=function(t,e){if(1&e&&(t=r(t)),8&e)return t;if(4&e&&"object"==typeof t&&t&&t.__esModule)return t;var n=Object.create(null);if(r.r(n),Object.defineProperty(n,"default",{enumerable:!0,value:t}),2&e&&"string"!=typeof t)for(var o in t)r.d(n,o,function(e){return t[e]}.bind(null,o));return n},r.n=function(t){var e=t&&t.__esModule?function(){return t.default}:function(){return t};return r.d(e,"a",e),e},r.o=function(t,e){return Object.prototype.hasOwnProperty.call(t,e)},r.p="",r(r.s=11)}([function(t,e,r){var n=r(15),o=r(16),i=String.fromCharCode(30);t.exports={protocol:4,encodePacket:n,encodePayload:function(t,e){var r=t.length,o=new Array(r),s=0;t.forEach((function(t,a){n(t,!1,(function(t){o[a]=t,++s===r&&e(o.join(i))}))}))},decodePacket:o,decodePayload:function(t,e){for(var r=t.split(i),n=[],s=0;s<r.length;s++){var a=o(r[s],e);if(n.push(a),"error"===a.type)break}return n}}},function(t,e){t.exports="undefined"!=typeof self?self:"undefined"!=typeof window?window:Function("return this")()},function(t,e,r){function n(t){return(n="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(t){return typeof t}:function(t){return t&&"function"==typeof Symbol&&t.constructor===Symbol&&t!==Symbol.prototype?"symbol":typeof t})(t)}function o(t,e){for(var r=0;r<e.length;r++){var n=e[r];n.enumerable=n.enumerable||!1,n.configurable=!0,"value"in n&&(n.writable=!0),Object.defineProperty(t,n.key,n)}}function i(t,e){return(i=Object.setPrototypeOf||function(t,e){return t.__proto__=e,t})(t,e)}function s(t){var e=function(){if("undefined"==typeof Reflect||!Reflect.construct)return!1;if(Reflect.construct.sham)return!1;if("function"==typeof Proxy)return!0;try{return Date.prototype.toString.call(Reflect.construct(Date,[],(function(){}))),!0}catch(t){return!1}}();return function(){var r,n=u(t);if(e){var o=u(this).constructor;r=Reflect.construct(n,arguments,o)}else r=n.apply(this,arguments);return a(this,r)}}function a(t,e){return!e||"object"!==n(e)&&"function"!=typeof e?function(t){if(void 0===t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return t}(t):e}function u(t){return(u=Object.setPrototypeOf?Object.getPrototypeOf:function(t){return t.__proto__||Object.getPrototypeOf(t)})(t)}var c=r(0),f=function(t){!function(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Super expression must either be null or a function");t.prototype=Object.create(e&&e.prototype,{constructor:{value:t,writable:!0,configurable:!0}}),e&&i(t,e)}(u,t);var e,r,n,a=s(u);function u(t){var e;return function(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}(this,u),(e=a.call(this)).opts=t,e.query=t.query,e.readyState="",e.socket=t.socket,e}return e=u,(r=[{key:"onError",value:function(t,e){var r=new Error(t);return r.type="TransportError",r.description=e,this.emit("error",r),this}},{key:"open",value:function(){return"closed"!==this.readyState&&""!==this.readyState||(this.readyState="opening",this.doOpen()),this}},{key:"close",value:function(){return"opening"!==this.readyState&&"open"!==this.readyState||(this.doClose(),this.onClose()),this}},{key:"send",value:function(t){"open"===this.readyState&&this.write(t)}},{key:"onOpen",value:function(){this.readyState="open",this.writable=!0,this.emit("open")}},{key:"onData",value:function(t){var e=c.decodePacket(t,this.socket.binaryType);this.onPacket(e)}},{key:"onPacket",value:function(t){this.emit("packet",t)}},{key:"onClose",value:function(){this.readyState="closed",this.emit("close")}}])&&o(e.prototype,r),n&&o(e,n),u}(r(3));t.exports=f},function(t,e,r){function n(t){if(t)return function(t){for(var e in n.prototype)t[e]=n.prototype[e];return t}(t)}t.exports=n,n.prototype.on=n.prototype.addEventListener=function(t,e){return this._callbacks=this._callbacks||{},(this._callbacks["$"+t]=this._callbacks["$"+t]||[]).push(e),this},n.prototype.once=function(t,e){function r(){this.off(t,r),e.apply(this,arguments)}return r.fn=e,this.on(t,r),this},n.prototype.off=n.prototype.removeListener=n.prototype.removeAllListeners=n.prototype.removeEventListener=function(t,e){if(this._callbacks=this._callbacks||{},0==arguments.length)return this._callbacks={},this;var r,n=this._callbacks["$"+t];if(!n)return this;if(1==arguments.length)return delete this._callbacks["$"+t],this;for(var o=0;o<n.length;o++)if((r=n[o])===e||r.fn===e){n.splice(o,1);break}return 0===n.length&&delete this._callbacks["$"+t],this},n.prototype.emit=function(t){this._callbacks=this._callbacks||{};for(var e=new Array(arguments.length-1),r=this._callbacks["$"+t],n=1;n<arguments.length;n++)e[n-1]=arguments[n];if(r){n=0;for(var o=(r=r.slice(0)).length;n<o;++n)r[n].apply(this,e)}return this},n.prototype.listeners=function(t){return this._callbacks=this._callbacks||{},this._callbacks["$"+t]||[]},n.prototype.hasListeners=function(t){return!!this.listeners(t).length}},function(t,e){e.encode=function(t){var e="";for(var r in t)t.hasOwnProperty(r)&&(e.length&&(e+="&"),e+=encodeURIComponent(r)+"="+encodeURIComponent(t[r]));return e},e.decode=function(t){for(var e={},r=t.split("&"),n=0,o=r.length;n<o;n++){var i=r[n].split("=");e[decodeURIComponent(i[0])]=decodeURIComponent(i[1])}return e}},function(t,e,r){var n=r(6),o=r(14),i=r(18),s=r(19);e.polling=function(t){var e=!1,r=!1,s=!1!==t.jsonp;if("undefined"!=typeof location){var a="https:"===location.protocol,u=location.port;u||(u=a?443:80),e=t.hostname!==location.hostname||u!==t.port,r=t.secure!==a}if(t.xdomain=e,t.xscheme=r,"open"in new n(t)&&!t.forceJSONP)return new o(t);if(!s)throw new Error("JSONP disabled");return new i(t)},e.websocket=s},function(t,e,r){var n=r(13),o=r(1);t.exports=function(t){var e=t.xdomain,r=t.xscheme,i=t.enablesXDR;try{if("undefined"!=typeof XMLHttpRequest&&(!e||n))return new XMLHttpRequest}catch(t){}try{if("undefined"!=typeof XDomainRequest&&!r&&i)return new XDomainRequest}catch(t){}if(!e)try{return new(o[["Active"].concat("Object").join("X")])("Microsoft.XMLHTTP")}catch(t){}}},function(t,e,r){function n(t){return(n="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(t){return typeof t}:function(t){return t&&"function"==typeof Symbol&&t.constructor===Symbol&&t!==Symbol.prototype?"symbol":typeof t})(t)}function o(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}function i(t,e){for(var r=0;r<e.length;r++){var n=e[r];n.enumerable=n.enumerable||!1,n.configurable=!0,"value"in n&&(n.writable=!0),Object.defineProperty(t,n.key,n)}}function s(t,e){return(s=Object.setPrototypeOf||function(t,e){return t.__proto__=e,t})(t,e)}function a(t){var e=function(){if("undefined"==typeof Reflect||!Reflect.construct)return!1;if(Reflect.construct.sham)return!1;if("function"==typeof Proxy)return!0;try{return Date.prototype.toString.call(Reflect.construct(Date,[],(function(){}))),!0}catch(t){return!1}}();return function(){var r,n=c(t);if(e){var o=c(this).constructor;r=Reflect.construct(n,arguments,o)}else r=n.apply(this,arguments);return u(this,r)}}function u(t,e){return!e||"object"!==n(e)&&"function"!=typeof e?function(t){if(void 0===t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return t}(t):e}function c(t){return(c=Object.setPrototypeOf?Object.getPrototypeOf:function(t){return t.__proto__||Object.getPrototypeOf(t)})(t)}var f=r(2),p=r(4),l=r(0),h=r(9),y=function(t){!function(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Super expression must either be null or a function");t.prototype=Object.create(e&&e.prototype,{constructor:{value:t,writable:!0,configurable:!0}}),e&&s(t,e)}(c,t);var e,r,n,u=a(c);function c(){return o(this,c),u.apply(this,arguments)}return e=c,(r=[{key:"doOpen",value:function(){this.poll()}},{key:"pause",value:function(t){var e=this;this.readyState="pausing";var r=function(){e.readyState="paused",t()};if(this.polling||!this.writable){var n=0;this.polling&&(n++,this.once("pollComplete",(function(){--n||r()}))),this.writable||(n++,this.once("drain",(function(){--n||r()})))}else r()}},{key:"poll",value:function(){this.polling=!0,this.doPoll(),this.emit("poll")}},{key:"onData",value:function(t){var e=this;l.decodePayload(t,this.socket.binaryType).forEach((function(t){if("opening"===e.readyState&&"open"===t.type&&e.onOpen(),"close"===t.type)return e.onClose(),!1;e.onPacket(t)})),"closed"!==this.readyState&&(this.polling=!1,this.emit("pollComplete"),"open"===this.readyState&&this.poll())}},{key:"doClose",value:function(){var t=this,e=function(){t.write([{type:"close"}])};"open"===this.readyState?e():this.once("open",e)}},{key:"write",value:function(t){var e=this;this.writable=!1,l.encodePayload(t,(function(t){e.doWrite(t,(function(){e.writable=!0,e.emit("drain")}))}))}},{key:"uri",value:function(){var t=this.query||{},e=this.opts.secure?"https":"http",r="";return!1!==this.opts.timestampRequests&&(t[this.opts.timestampParam]=h()),this.supportsBinary||t.sid||(t.b64=1),t=p.encode(t),this.opts.port&&("https"===e&&443!==Number(this.opts.port)||"http"===e&&80!==Number(this.opts.port))&&(r=":"+this.opts.port),t.length&&(t="?"+t),e+"://"+(-1!==this.opts.hostname.indexOf(":")?"["+this.opts.hostname+"]":this.opts.hostname)+r+this.opts.path+t}},{key:"name",get:function(){return"polling"}}])&&i(e.prototype,r),n&&i(e,n),c}(f);t.exports=y},function(t,e){var r=Object.create(null);r.open="0",r.close="1",r.ping="2",r.pong="3",r.message="4",r.upgrade="5",r.noop="6";var n=Object.create(null);Object.keys(r).forEach((function(t){n[r[t]]=t}));t.exports={PACKET_TYPES:r,PACKET_TYPES_REVERSE:n,ERROR_PACKET:{type:"error",data:"parser error"}}},function(t,e,r){"use strict";var n,o="0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-_".split(""),i={},s=0,a=0;function u(t){var e="";do{e=o[t%64]+e,t=Math.floor(t/64)}while(t>0);return e}function c(){var t=u(+new Date);return t!==n?(s=0,n=t):t+"."+u(s++)}for(;a<64;a++)i[o[a]]=a;c.encode=u,c.decode=function(t){var e=0;for(a=0;a<t.length;a++)e=64*e+i[t.charAt(a)];return e},t.exports=c},function(t,e){t.exports.pick=function(t){for(var e=arguments.length,r=new Array(e>1?e-1:0),n=1;n<e;n++)r[n-1]=arguments[n];return r.reduce((function(e,r){return t.hasOwnProperty(r)&&(e[r]=t[r]),e}),{})}},function(t,e,r){var n=r(12);t.exports=function(t,e){return new n(t,e)},t.exports.Socket=n,t.exports.protocol=n.protocol,t.exports.Transport=r(2),t.exports.transports=r(5),t.exports.parser=r(0)},function(t,e,r){function n(){return(n=Object.assign||function(t){for(var e=1;e<arguments.length;e++){var r=arguments[e];for(var n in r)Object.prototype.hasOwnProperty.call(r,n)&&(t[n]=r[n])}return t}).apply(this,arguments)}function o(t){return(o="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(t){return typeof t}:function(t){return t&&"function"==typeof Symbol&&t.constructor===Symbol&&t!==Symbol.prototype?"symbol":typeof t})(t)}function i(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}function s(t,e){for(var r=0;r<e.length;r++){var n=e[r];n.enumerable=n.enumerable||!1,n.configurable=!0,"value"in n&&(n.writable=!0),Object.defineProperty(t,n.key,n)}}function a(t,e){return(a=Object.setPrototypeOf||function(t,e){return t.__proto__=e,t})(t,e)}function u(t){var e=function(){if("undefined"==typeof Reflect||!Reflect.construct)return!1;if(Reflect.construct.sham)return!1;if("function"==typeof Proxy)return!0;try{return Date.prototype.toString.call(Reflect.construct(Date,[],(function(){}))),!0}catch(t){return!1}}();return function(){var r,n=f(t);if(e){var o=f(this).constructor;r=Reflect.construct(n,arguments,o)}else r=n.apply(this,arguments);return c(this,r)}}function c(t,e){return!e||"object"!==o(e)&&"function"!=typeof e?function(t){if(void 0===t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return t}(t):e}function f(t){return(f=Object.setPrototypeOf?Object.getPrototypeOf:function(t){return t.__proto__||Object.getPrototypeOf(t)})(t)}var p=r(5),l=r(3),h=r(0),y=r(21),d=r(4),m=function(t){!function(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Super expression must either be null or a function");t.prototype=Object.create(e&&e.prototype,{constructor:{value:t,writable:!0,configurable:!0}}),e&&a(t,e)}(l,t);var e,r,c,f=u(l);function l(t){var e,r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return i(this,l),e=f.call(this),t&&"object"===o(t)&&(r=t,t=null),t?(t=y(t),r.hostname=t.host,r.secure="https"===t.protocol||"wss"===t.protocol,r.port=t.port,t.query&&(r.query=t.query)):r.host&&(r.hostname=y(r.host).host),e.secure=null!=r.secure?r.secure:"undefined"!=typeof location&&"https:"===location.protocol,r.hostname&&!r.port&&(r.port=e.secure?"443":"80"),e.hostname=r.hostname||("undefined"!=typeof location?location.hostname:"localhost"),e.port=r.port||("undefined"!=typeof location&&location.port?location.port:e.secure?443:80),e.transports=r.transports||["polling","websocket"],e.readyState="",e.writeBuffer=[],e.prevBufferLen=0,e.opts=n({path:"/engine.io",agent:!1,withCredentials:!1,upgrade:!0,jsonp:!0,timestampParam:"t",rememberUpgrade:!1,rejectUnauthorized:!0,perMessageDeflate:{threshold:1024},transportOptions:{},closeOnBeforeunload:!0},r),e.opts.path=e.opts.path.replace(/\/$/,"")+"/","string"==typeof e.opts.query&&(e.opts.query=d.decode(e.opts.query)),e.id=null,e.upgrades=null,e.pingInterval=null,e.pingTimeout=null,e.pingTimeoutTimer=null,"function"==typeof addEventListener&&(e.opts.closeOnBeforeunload&&addEventListener("beforeunload",(function(){e.transport&&(e.transport.removeAllListeners(),e.transport.close())}),!1),"localhost"!==e.hostname&&(e.offlineEventListener=function(){e.onClose("transport close")},addEventListener("offline",e.offlineEventListener,!1))),e.open(),e}return e=l,(r=[{key:"createTransport",value:function(t){var e=function(t){var e={};for(var r in t)t.hasOwnProperty(r)&&(e[r]=t[r]);return e}(this.opts.query);e.EIO=h.protocol,e.transport=t,this.id&&(e.sid=this.id);var r=n({},this.opts.transportOptions[t],this.opts,{query:e,socket:this,hostname:this.hostname,secure:this.secure,port:this.port});return new p[t](r)}},{key:"open",value:function(){var t,e=this;if(this.opts.rememberUpgrade&&l.priorWebsocketSuccess&&-1!==this.transports.indexOf("websocket"))t="websocket";else{if(0===this.transports.length)return void setTimeout((function(){e.emit("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,r=this.createTransport(t,{probe:1}),n=!1;l.priorWebsocketSuccess=!1;var o=function(){n||(r.send([{type:"ping",data:"probe"}]),r.once("packet",(function(t){if(!n)if("pong"===t.type&&"probe"===t.data){if(e.upgrading=!0,e.emit("upgrading",r),!r)return;l.priorWebsocketSuccess="websocket"===r.name,e.transport.pause((function(){n||"closed"!==e.readyState&&(f(),e.setTransport(r),r.send([{type:"upgrade"}]),e.emit("upgrade",r),r=null,e.upgrading=!1,e.flush())}))}else{var o=new Error("probe error");o.transport=r.name,e.emit("upgradeError",o)}})))};function i(){n||(n=!0,f(),r.close(),r=null)}var s=function(t){var n=new Error("probe error: "+t);n.transport=r.name,i(),e.emit("upgradeError",n)};function a(){s("transport closed")}function u(){s("socket closed")}function c(t){r&&t.name!==r.name&&i()}var f=function(){r.removeListener("open",o),r.removeListener("error",s),r.removeListener("close",a),e.removeListener("close",u),e.removeListener("upgrading",c)};r.once("open",o),r.once("error",s),r.once("close",a),this.once("close",u),this.once("upgrading",c),r.open()}},{key:"onOpen",value:function(){if(this.readyState="open",l.priorWebsocketSuccess="websocket"===this.transport.name,this.emit("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.emit("packet",t),this.emit("heartbeat"),t.type){case"open":this.onHandshake(JSON.parse(t.data));break;case"ping":this.resetPingTimeout(),this.sendPacket("pong"),this.emit("ping"),this.emit("pong");break;case"error":var e=new Error("server error");e.code=t.data,this.onError(e);break;case"message":this.emit("data",t.data),this.emit("message",t.data)}}},{key:"onHandshake",value:function(t){this.emit("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;clearTimeout(this.pingTimeoutTimer),this.pingTimeoutTimer=setTimeout((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.emit("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.emit("flush"))}},{key:"write",value:function(t,e,r){return this.sendPacket("message",t,e,r),this}},{key:"send",value:function(t,e,r){return this.sendPacket("message",t,e,r),this}},{key:"sendPacket",value:function(t,e,r,n){if("function"==typeof e&&(n=e,e=void 0),"function"==typeof r&&(n=r,r=null),"closing"!==this.readyState&&"closed"!==this.readyState){(r=r||{}).compress=!1!==r.compress;var o={type:t,data:e,options:r};this.emit("packetCreate",o),this.writeBuffer.push(o),n&&this.once("flush",n),this.flush()}}},{key:"close",value:function(){var t=this,e=function(){t.onClose("forced close"),t.transport.close()},r=function r(){t.removeListener("upgrade",r),t.removeListener("upgradeError",r),e()},n=function(){t.once("upgrade",r),t.once("upgradeError",r)};return"opening"!==this.readyState&&"open"!==this.readyState||(this.readyState="closing",this.writeBuffer.length?this.once("drain",(function(){t.upgrading?n():e()})):this.upgrading?n():e()),this}},{key:"onError",value:function(t){l.priorWebsocketSuccess=!1,this.emit("error",t),this.onClose("transport error",t)}},{key:"onClose",value:function(t,e){"opening"!==this.readyState&&"open"!==this.readyState&&"closing"!==this.readyState||(clearTimeout(this.pingIntervalTimer),clearTimeout(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.emit("close",t,e),this.writeBuffer=[],this.prevBufferLen=0)}},{key:"filterUpgrades",value:function(t){for(var e=[],r=0,n=t.length;r<n;r++)~this.transports.indexOf(t[r])&&e.push(t[r]);return e}}])&&s(e.prototype,r),c&&s(e,c),l}(l);m.priorWebsocketSuccess=!1,m.protocol=h.protocol,t.exports=m},function(t,e){try{t.exports="undefined"!=typeof XMLHttpRequest&&"withCredentials"in new XMLHttpRequest}catch(e){t.exports=!1}},function(t,e,r){function n(t){return(n="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(t){return typeof t}:function(t){return t&&"function"==typeof Symbol&&t.constructor===Symbol&&t!==Symbol.prototype?"symbol":typeof t})(t)}function o(){return(o=Object.assign||function(t){for(var e=1;e<arguments.length;e++){var r=arguments[e];for(var n in r)Object.prototype.hasOwnProperty.call(r,n)&&(t[n]=r[n])}return t}).apply(this,arguments)}function i(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}function s(t,e){for(var r=0;r<e.length;r++){var n=e[r];n.enumerable=n.enumerable||!1,n.configurable=!0,"value"in n&&(n.writable=!0),Object.defineProperty(t,n.key,n)}}function a(t,e,r){return e&&s(t.prototype,e),r&&s(t,r),t}function u(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Super expression must either be null or a function");t.prototype=Object.create(e&&e.prototype,{constructor:{value:t,writable:!0,configurable:!0}}),e&&c(t,e)}function c(t,e){return(c=Object.setPrototypeOf||function(t,e){return t.__proto__=e,t})(t,e)}function f(t){var e=function(){if("undefined"==typeof Reflect||!Reflect.construct)return!1;if(Reflect.construct.sham)return!1;if("function"==typeof Proxy)return!0;try{return Date.prototype.toString.call(Reflect.construct(Date,[],(function(){}))),!0}catch(t){return!1}}();return function(){var r,n=l(t);if(e){var o=l(this).constructor;r=Reflect.construct(n,arguments,o)}else r=n.apply(this,arguments);return p(this,r)}}function p(t,e){return!e||"object"!==n(e)&&"function"!=typeof e?function(t){if(void 0===t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return t}(t):e}function l(t){return(l=Object.setPrototypeOf?Object.getPrototypeOf:function(t){return t.__proto__||Object.getPrototypeOf(t)})(t)}var h=r(6),y=r(7),d=r(3),m=r(10).pick,v=r(1);function b(){}var g=null!=new h({xdomain:!1}).responseType,w=function(t){u(r,t);var e=f(r);function r(t){var n;if(i(this,r),n=e.call(this,t),"undefined"!=typeof location){var o="https:"===location.protocol,s=location.port;s||(s=o?443:80),n.xd="undefined"!=typeof location&&t.hostname!==location.hostname||s!==t.port,n.xs=t.secure!==o}var a=t&&t.forceBase64;return n.supportsBinary=g&&!a,n}return a(r,[{key:"request",value:function(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};return o(t,{xd:this.xd,xs:this.xs},this.opts),new k(this.uri(),t)}},{key:"doWrite",value:function(t,e){var r=this,n=this.request({method:"POST",data:t});n.on("success",e),n.on("error",(function(t){r.onError("xhr post error",t)}))}},{key:"doPoll",value:function(){var t=this,e=this.request();e.on("data",this.onData.bind(this)),e.on("error",(function(e){t.onError("xhr poll error",e)})),this.pollXhr=e}}]),r}(y),k=function(t){u(r,t);var e=f(r);function r(t,n){var o;return i(this,r),(o=e.call(this)).opts=n,o.method=n.method||"GET",o.uri=t,o.async=!1!==n.async,o.data=void 0!==n.data?n.data:null,o.create(),o}return a(r,[{key:"create",value:function(){var t=this,e=m(this.opts,"agent","enablesXDR","pfx","key","passphrase","cert","ca","ciphers","rejectUnauthorized","autoUnref");e.xdomain=!!this.opts.xd,e.xscheme=!!this.opts.xs;var n=this.xhr=new h(e);try{n.open(this.method,this.uri,this.async);try{if(this.opts.extraHeaders)for(var o in n.setDisableHeaderCheck&&n.setDisableHeaderCheck(!0),this.opts.extraHeaders)this.opts.extraHeaders.hasOwnProperty(o)&&n.setRequestHeader(o,this.opts.extraHeaders[o])}catch(t){}if("POST"===this.method)try{n.setRequestHeader("Content-type","text/plain;charset=UTF-8")}catch(t){}try{n.setRequestHeader("Accept","*/*")}catch(t){}"withCredentials"in n&&(n.withCredentials=this.opts.withCredentials),this.opts.requestTimeout&&(n.timeout=this.opts.requestTimeout),this.hasXDR()?(n.onload=function(){t.onLoad()},n.onerror=function(){t.onError(n.responseText)}):n.onreadystatechange=function(){4===n.readyState&&(200===n.status||1223===n.status?t.onLoad():setTimeout((function(){t.onError("number"==typeof n.status?n.status:0)}),0))},n.send(this.data)}catch(e){return void setTimeout((function(){t.onError(e)}),0)}"undefined"!=typeof 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.hasXDR()?this.xhr.onload=this.xhr.onerror=b:this.xhr.onreadystatechange=b,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:"hasXDR",value:function(){return"undefined"!=typeof XDomainRequest&&!this.xs&&this.enablesXDR}},{key:"abort",value:function(){this.cleanup()}}]),r}(d);if(k.requestsCount=0,k.requests={},"undefined"!=typeof document)if("function"==typeof attachEvent)attachEvent("onunload",O);else if("function"==typeof addEventListener){addEventListener("onpagehide"in v?"pagehide":"unload",O,!1)}function O(){for(var t in k.requests)k.requests.hasOwnProperty(t)&&k.requests[t].abort()}t.exports=w,t.exports.Request=k},function(t,e,r){var n=r(8).PACKET_TYPES,o="function"==typeof Blob||"undefined"!=typeof Blob&&"[object BlobConstructor]"===Object.prototype.toString.call(Blob),i="function"==typeof ArrayBuffer,s=function(t,e){var r=new FileReader;return r.onload=function(){var t=r.result.split(",")[1];e("b"+t)},r.readAsDataURL(t)};t.exports=function(t,e,r){var a,u=t.type,c=t.data;return o&&c instanceof Blob?e?r(c):s(c,r):i&&(c instanceof ArrayBuffer||(a=c,"function"==typeof ArrayBuffer.isView?ArrayBuffer.isView(a):a&&a.buffer instanceof ArrayBuffer))?e?r(c instanceof ArrayBuffer?c:c.buffer):s(new Blob([c]),r):r(n[u]+(c||""))}},function(t,e,r){var n,o=r(8),i=o.PACKET_TYPES_REVERSE,s=o.ERROR_PACKET;"function"==typeof ArrayBuffer&&(n=r(17));var a=function(t,e){if(n){var r=n.decode(t);return u(r,e)}return{base64:!0,data:t}},u=function(t,e){switch(e){case"blob":return t instanceof ArrayBuffer?new Blob([t]):t;case"arraybuffer":default:return t}};t.exports=function(t,e){if("string"!=typeof t)return{type:"message",data:u(t,e)};var r=t.charAt(0);return"b"===r?{type:"message",data:a(t.substring(1),e)}:i[r]?t.length>1?{type:i[r],data:t.substring(1)}:{type:i[r]}:s}},function(t,e){!function(t){"use strict";e.encode=function(e){var r,n=new Uint8Array(e),o=n.length,i="";for(r=0;r<o;r+=3)i+=t[n[r]>>2],i+=t[(3&n[r])<<4|n[r+1]>>4],i+=t[(15&n[r+1])<<2|n[r+2]>>6],i+=t[63&n[r+2]];return o%3==2?i=i.substring(0,i.length-1)+"=":o%3==1&&(i=i.substring(0,i.length-2)+"=="),i},e.decode=function(e){var r,n,o,i,s,a=.75*e.length,u=e.length,c=0;"="===e[e.length-1]&&(a--,"="===e[e.length-2]&&a--);var f=new ArrayBuffer(a),p=new Uint8Array(f);for(r=0;r<u;r+=4)n=t.indexOf(e[r]),o=t.indexOf(e[r+1]),i=t.indexOf(e[r+2]),s=t.indexOf(e[r+3]),p[c++]=n<<2|o>>4,p[c++]=(15&o)<<4|i>>2,p[c++]=(3&i)<<6|63&s;return f}}("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/")},function(t,e,r){function n(t){return(n="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(t){return typeof t}:function(t){return t&&"function"==typeof Symbol&&t.constructor===Symbol&&t!==Symbol.prototype?"symbol":typeof t})(t)}function o(t,e){for(var r=0;r<e.length;r++){var n=e[r];n.enumerable=n.enumerable||!1,n.configurable=!0,"value"in n&&(n.writable=!0),Object.defineProperty(t,n.key,n)}}function i(t,e,r){return(i="undefined"!=typeof Reflect&&Reflect.get?Reflect.get:function(t,e,r){var n=function(t,e){for(;!Object.prototype.hasOwnProperty.call(t,e)&&null!==(t=f(t)););return t}(t,e);if(n){var o=Object.getOwnPropertyDescriptor(n,e);return o.get?o.get.call(r):o.value}})(t,e,r||t)}function s(t,e){return(s=Object.setPrototypeOf||function(t,e){return t.__proto__=e,t})(t,e)}function a(t){var e=function(){if("undefined"==typeof Reflect||!Reflect.construct)return!1;if(Reflect.construct.sham)return!1;if("function"==typeof Proxy)return!0;try{return Date.prototype.toString.call(Reflect.construct(Date,[],(function(){}))),!0}catch(t){return!1}}();return function(){var r,n=f(t);if(e){var o=f(this).constructor;r=Reflect.construct(n,arguments,o)}else r=n.apply(this,arguments);return u(this,r)}}function u(t,e){return!e||"object"!==n(e)&&"function"!=typeof e?c(t):e}function c(t){if(void 0===t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return t}function f(t){return(f=Object.setPrototypeOf?Object.getPrototypeOf:function(t){return t.__proto__||Object.getPrototypeOf(t)})(t)}var p,l=r(7),h=r(1),y=/\n/g,d=/\\n/g,m=function(t){!function(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Super expression must either be null or a function");t.prototype=Object.create(e&&e.prototype,{constructor:{value:t,writable:!0,configurable:!0}}),e&&s(t,e)}(l,t);var e,r,n,u=a(l);function l(t){var e;return function(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}(this,l),(e=u.call(this,t)).query=e.query||{},p||(p=h.___eio=h.___eio||[]),e.index=p.length,p.push(e.onData.bind(c(e))),e.query.j=e.index,e}return e=l,(r=[{key:"doClose",value:function(){this.script&&(this.script.onerror=function(){},this.script.parentNode.removeChild(this.script),this.script=null),this.form&&(this.form.parentNode.removeChild(this.form),this.form=null,this.iframe=null),i(f(l.prototype),"doClose",this).call(this)}},{key:"doPoll",value:function(){var t=this,e=document.createElement("script");this.script&&(this.script.parentNode.removeChild(this.script),this.script=null),e.async=!0,e.src=this.uri(),e.onerror=function(e){t.onError("jsonp poll error",e)};var r=document.getElementsByTagName("script")[0];r?r.parentNode.insertBefore(e,r):(document.head||document.body).appendChild(e),this.script=e,"undefined"!=typeof navigator&&/gecko/i.test(navigator.userAgent)&&setTimeout((function(){var t=document.createElement("iframe");document.body.appendChild(t),document.body.removeChild(t)}),100)}},{key:"doWrite",value:function(t,e){var r,n=this;if(!this.form){var o=document.createElement("form"),i=document.createElement("textarea"),s=this.iframeId="eio_iframe_"+this.index;o.className="socketio",o.style.position="absolute",o.style.top="-1000px",o.style.left="-1000px",o.target=s,o.method="POST",o.setAttribute("accept-charset","utf-8"),i.name="d",o.appendChild(i),document.body.appendChild(o),this.form=o,this.area=i}function a(){u(),e()}this.form.action=this.uri();var u=function(){if(n.iframe)try{n.form.removeChild(n.iframe)}catch(t){n.onError("jsonp polling iframe removal error",t)}try{var t='<iframe src="javascript:0" name="'+n.iframeId+'">';r=document.createElement(t)}catch(t){(r=document.createElement("iframe")).name=n.iframeId,r.src="javascript:0"}r.id=n.iframeId,n.form.appendChild(r),n.iframe=r};u(),t=t.replace(d,"\\\n"),this.area.value=t.replace(y,"\\n");try{this.form.submit()}catch(t){}this.iframe.attachEvent?this.iframe.onreadystatechange=function(){"complete"===n.iframe.readyState&&a()}:this.iframe.onload=a}},{key:"supportsBinary",get:function(){return!1}}])&&o(e.prototype,r),n&&o(e,n),l}(l);t.exports=m},function(t,e,r){function n(t){return(n="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(t){return typeof t}:function(t){return t&&"function"==typeof Symbol&&t.constructor===Symbol&&t!==Symbol.prototype?"symbol":typeof t})(t)}function o(t,e){for(var r=0;r<e.length;r++){var n=e[r];n.enumerable=n.enumerable||!1,n.configurable=!0,"value"in n&&(n.writable=!0),Object.defineProperty(t,n.key,n)}}function i(t,e){return(i=Object.setPrototypeOf||function(t,e){return t.__proto__=e,t})(t,e)}function s(t){var e=function(){if("undefined"==typeof Reflect||!Reflect.construct)return!1;if(Reflect.construct.sham)return!1;if("function"==typeof Proxy)return!0;try{return Date.prototype.toString.call(Reflect.construct(Date,[],(function(){}))),!0}catch(t){return!1}}();return function(){var r,n=u(t);if(e){var o=u(this).constructor;r=Reflect.construct(n,arguments,o)}else r=n.apply(this,arguments);return a(this,r)}}function a(t,e){return!e||"object"!==n(e)&&"function"!=typeof e?function(t){if(void 0===t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return t}(t):e}function u(t){return(u=Object.setPrototypeOf?Object.getPrototypeOf:function(t){return t.__proto__||Object.getPrototypeOf(t)})(t)}var c=r(2),f=r(0),p=r(4),l=r(9),h=r(10).pick,y=r(20),d=y.WebSocket,m=y.usingBrowserWebSocket,v=y.defaultBinaryType,b=y.nextTick,g="undefined"!=typeof navigator&&"string"==typeof navigator.product&&"reactnative"===navigator.product.toLowerCase(),w=function(t){!function(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Super expression must either be null or a function");t.prototype=Object.create(e&&e.prototype,{constructor:{value:t,writable:!0,configurable:!0}}),e&&i(t,e)}(u,t);var e,r,n,a=s(u);function u(t){var e;return function(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}(this,u),(e=a.call(this,t)).supportsBinary=!t.forceBase64,e}return e=u,(r=[{key:"doOpen",value:function(){if(this.check()){var t=this.uri(),e=this.opts.protocols,r=g?{}:h(this.opts,"agent","perMessageDeflate","pfx","key","passphrase","cert","ca","ciphers","rejectUnauthorized","localAddress","protocolVersion","origin","maxPayload","family","checkServerIdentity");this.opts.extraHeaders&&(r.headers=this.opts.extraHeaders);try{this.ws=m&&!g?e?new d(t,e):new d(t):new d(t,e,r)}catch(t){return this.emit("error",t)}this.ws.binaryType=this.socket.binaryType||v,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 r=function(r){var n=t[r],o=r===t.length-1;f.encodePacket(n,e.supportsBinary,(function(t){var r={};m||(n.options&&(r.compress=n.options.compress),e.opts.perMessageDeflate&&("string"==typeof t?Buffer.byteLength(t):t.length)<e.opts.perMessageDeflate.threshold&&(r.compress=!1));try{m?e.ws.send(t):e.ws.send(t,r)}catch(t){}o&&b((function(){e.writable=!0,e.emit("drain")}))}))},n=0;n<t.length;n++)r(n)}},{key:"onClose",value:function(){c.prototype.onClose.call(this)}},{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",r="";return this.opts.port&&("wss"===e&&443!==Number(this.opts.port)||"ws"===e&&80!==Number(this.opts.port))&&(r=":"+this.opts.port),this.opts.timestampRequests&&(t[this.opts.timestampParam]=l()),this.supportsBinary||(t.b64=1),(t=p.encode(t)).length&&(t="?"+t),e+"://"+(-1!==this.opts.hostname.indexOf(":")?"["+this.opts.hostname+"]":this.opts.hostname)+r+this.opts.path+t}},{key:"check",value:function(){return!(!d||"__initialize"in d&&this.name===u.prototype.name)}},{key:"name",get:function(){return"websocket"}}])&&o(e.prototype,r),n&&o(e,n),u}(c);t.exports=w},function(t,e,r){var n=r(1),o="function"==typeof Promise&&"function"==typeof Promise.resolve?function(t){return Promise.resolve().then(t)}:function(t){return setTimeout(t,0)};t.exports={WebSocket:n.WebSocket||n.MozWebSocket,usingBrowserWebSocket:!0,defaultBinaryType:"arraybuffer",nextTick:o}},function(t,e){var r=/^(?:(?![^:@]+:[^:@\/]*@)(http|https|ws|wss):\/\/)?((?:(([^:@]*)(?::([^:@]*))?)?@)?((?:[a-f0-9]{0,4}:){2,7}[a-f0-9]{0,4}|[^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/,n=["source","protocol","authority","userInfo","user","password","host","port","relative","path","directory","file","query","anchor"];t.exports=function(t){var e=t,o=t.indexOf("["),i=t.indexOf("]");-1!=o&&-1!=i&&(t=t.substring(0,o)+t.substring(o,i).replace(/:/g,";")+t.substring(i,t.length));for(var s,a,u=r.exec(t||""),c={},f=14;f--;)c[n[f]]=u[f]||"";return-1!=o&&-1!=i&&(c.source=e,c.host=c.host.substring(1,c.host.length-1).replace(/;/g,":"),c.authority=c.authority.replace("[","").replace("]","").replace(/;/g,":"),c.ipv6uri=!0),c.pathNames=function(t,e){var r=e.replace(/\/{2,9}/g,"/").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,c.path),c.queryKey=(s=c.query,a={},s.replace(/(?:^|&)([^&=]*)=?([^&]*)/g,(function(t,e,r){e&&(a[e]=r)})),a),c}}])}));
!function(t,e){"object"==typeof exports&&"object"==typeof module?module.exports=e():"function"==typeof define&&define.amd?define([],e):"object"==typeof exports?exports.eio=e():t.eio=e()}(self,(function(){return function(t){var e={};function n(r){if(e[r])return e[r].exports;var o=e[r]={i:r,l:!1,exports:{}};return t[r].call(o.exports,o,o.exports,n),o.l=!0,o.exports}return n.m=t,n.c=e,n.d=function(t,e,r){n.o(t,e)||Object.defineProperty(t,e,{enumerable:!0,get:r})},n.r=function(t){"undefined"!=typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(t,Symbol.toStringTag,{value:"Module"}),Object.defineProperty(t,"__esModule",{value:!0})},n.t=function(t,e){if(1&e&&(t=n(t)),8&e)return t;if(4&e&&"object"==typeof t&&t&&t.__esModule)return t;var r=Object.create(null);if(n.r(r),Object.defineProperty(r,"default",{enumerable:!0,value:t}),2&e&&"string"!=typeof t)for(var o in t)n.d(r,o,function(e){return t[e]}.bind(null,o));return r},n.n=function(t){var e=t&&t.__esModule?function(){return t.default}:function(){return t};return n.d(e,"a",e),e},n.o=function(t,e){return Object.prototype.hasOwnProperty.call(t,e)},n.p="",n(n.s=11)}([function(t,e){t.exports="undefined"!=typeof self?self:"undefined"!=typeof window?window:Function("return this")()},function(t,e,n){var r=n(15),o=n(16),i=String.fromCharCode(30);t.exports={protocol:4,encodePacket:r,encodePayload:function(t,e){var n=t.length,o=new Array(n),s=0;t.forEach((function(t,a){r(t,!1,(function(t){o[a]=t,++s===n&&e(o.join(i))}))}))},decodePacket:o,decodePayload:function(t,e){for(var n=t.split(i),r=[],s=0;s<n.length;s++){var a=o(n[s],e);if(r.push(a),"error"===a.type)break}return r}}},function(t,e,n){var r=n(0);t.exports.pick=function(t){for(var e=arguments.length,n=new Array(e>1?e-1:0),r=1;r<e;r++)n[r-1]=arguments[r];return n.reduce((function(e,n){return t.hasOwnProperty(n)&&(e[n]=t[n]),e}),{})};var o=setTimeout,i=clearTimeout;t.exports.installTimerFunctions=function(t,e){e.useNativeTimers?(t.setTimeoutFn=o.bind(r),t.clearTimeoutFn=i.bind(r)):(t.setTimeoutFn=setTimeout.bind(r),t.clearTimeoutFn=clearTimeout.bind(r))}},function(t,e,n){function r(t){return(r="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(t){return typeof t}:function(t){return t&&"function"==typeof Symbol&&t.constructor===Symbol&&t!==Symbol.prototype?"symbol":typeof t})(t)}function o(t,e){for(var n=0;n<e.length;n++){var r=e[n];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(t,r.key,r)}}function i(t,e){return(i=Object.setPrototypeOf||function(t,e){return t.__proto__=e,t})(t,e)}function s(t){var e=function(){if("undefined"==typeof Reflect||!Reflect.construct)return!1;if(Reflect.construct.sham)return!1;if("function"==typeof Proxy)return!0;try{return Date.prototype.toString.call(Reflect.construct(Date,[],(function(){}))),!0}catch(t){return!1}}();return function(){var n,r=c(t);if(e){var o=c(this).constructor;n=Reflect.construct(r,arguments,o)}else n=r.apply(this,arguments);return a(this,n)}}function a(t,e){return!e||"object"!==r(e)&&"function"!=typeof e?u(t):e}function u(t){if(void 0===t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return t}function c(t){return(c=Object.setPrototypeOf?Object.getPrototypeOf:function(t){return t.__proto__||Object.getPrototypeOf(t)})(t)}var f=n(1),p=n(4),l=n(2).installTimerFunctions,h=function(t){!function(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Super expression must either be null or a function");t.prototype=Object.create(e&&e.prototype,{constructor:{value:t,writable:!0,configurable:!0}}),e&&i(t,e)}(c,t);var e,n,r,a=s(c);function c(t){var e;return function(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}(this,c),e=a.call(this),l(u(e),t),e.opts=t,e.query=t.query,e.readyState="",e.socket=t.socket,e}return e=c,(n=[{key:"onError",value:function(t,e){var n=new Error(t);return n.type="TransportError",n.description=e,this.emit("error",n),this}},{key:"open",value:function(){return"closed"!==this.readyState&&""!==this.readyState||(this.readyState="opening",this.doOpen()),this}},{key:"close",value:function(){return"opening"!==this.readyState&&"open"!==this.readyState||(this.doClose(),this.onClose()),this}},{key:"send",value:function(t){"open"===this.readyState&&this.write(t)}},{key:"onOpen",value:function(){this.readyState="open",this.writable=!0,this.emit("open")}},{key:"onData",value:function(t){var e=f.decodePacket(t,this.socket.binaryType);this.onPacket(e)}},{key:"onPacket",value:function(t){this.emit("packet",t)}},{key:"onClose",value:function(){this.readyState="closed",this.emit("close")}}])&&o(e.prototype,n),r&&o(e,r),c}(p);t.exports=h},function(t,e,n){function r(t){if(t)return function(t){for(var e in r.prototype)t[e]=r.prototype[e];return t}(t)}t.exports=r,r.prototype.on=r.prototype.addEventListener=function(t,e){return this._callbacks=this._callbacks||{},(this._callbacks["$"+t]=this._callbacks["$"+t]||[]).push(e),this},r.prototype.once=function(t,e){function n(){this.off(t,n),e.apply(this,arguments)}return n.fn=e,this.on(t,n),this},r.prototype.off=r.prototype.removeListener=r.prototype.removeAllListeners=r.prototype.removeEventListener=function(t,e){if(this._callbacks=this._callbacks||{},0==arguments.length)return this._callbacks={},this;var n,r=this._callbacks["$"+t];if(!r)return this;if(1==arguments.length)return delete this._callbacks["$"+t],this;for(var o=0;o<r.length;o++)if((n=r[o])===e||n.fn===e){r.splice(o,1);break}return 0===r.length&&delete this._callbacks["$"+t],this},r.prototype.emit=function(t){this._callbacks=this._callbacks||{};for(var e=new Array(arguments.length-1),n=this._callbacks["$"+t],r=1;r<arguments.length;r++)e[r-1]=arguments[r];if(n){r=0;for(var o=(n=n.slice(0)).length;r<o;++r)n[r].apply(this,e)}return this},r.prototype.listeners=function(t){return this._callbacks=this._callbacks||{},this._callbacks["$"+t]||[]},r.prototype.hasListeners=function(t){return!!this.listeners(t).length}},function(t,e){e.encode=function(t){var e="";for(var n in t)t.hasOwnProperty(n)&&(e.length&&(e+="&"),e+=encodeURIComponent(n)+"="+encodeURIComponent(t[n]));return e},e.decode=function(t){for(var e={},n=t.split("&"),r=0,o=n.length;r<o;r++){var i=n[r].split("=");e[decodeURIComponent(i[0])]=decodeURIComponent(i[1])}return e}},function(t,e,n){var r=n(7),o=n(14),i=n(18),s=n(19);e.polling=function(t){var e=!1,n=!1,s=!1!==t.jsonp;if("undefined"!=typeof location){var a="https:"===location.protocol,u=location.port;u||(u=a?443:80),e=t.hostname!==location.hostname||u!==t.port,n=t.secure!==a}if(t.xdomain=e,t.xscheme=n,"open"in new r(t)&&!t.forceJSONP)return new o(t);if(!s)throw new Error("JSONP disabled");return new i(t)},e.websocket=s},function(t,e,n){var r=n(13),o=n(0);t.exports=function(t){var e=t.xdomain,n=t.xscheme,i=t.enablesXDR;try{if("undefined"!=typeof XMLHttpRequest&&(!e||r))return new XMLHttpRequest}catch(t){}try{if("undefined"!=typeof XDomainRequest&&!n&&i)return new XDomainRequest}catch(t){}if(!e)try{return new(o[["Active"].concat("Object").join("X")])("Microsoft.XMLHTTP")}catch(t){}}},function(t,e,n){function r(t){return(r="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(t){return typeof t}:function(t){return t&&"function"==typeof Symbol&&t.constructor===Symbol&&t!==Symbol.prototype?"symbol":typeof t})(t)}function o(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}function i(t,e){for(var n=0;n<e.length;n++){var r=e[n];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(t,r.key,r)}}function s(t,e){return(s=Object.setPrototypeOf||function(t,e){return t.__proto__=e,t})(t,e)}function a(t){var e=function(){if("undefined"==typeof Reflect||!Reflect.construct)return!1;if(Reflect.construct.sham)return!1;if("function"==typeof Proxy)return!0;try{return Date.prototype.toString.call(Reflect.construct(Date,[],(function(){}))),!0}catch(t){return!1}}();return function(){var n,r=c(t);if(e){var o=c(this).constructor;n=Reflect.construct(r,arguments,o)}else n=r.apply(this,arguments);return u(this,n)}}function u(t,e){return!e||"object"!==r(e)&&"function"!=typeof e?function(t){if(void 0===t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return t}(t):e}function c(t){return(c=Object.setPrototypeOf?Object.getPrototypeOf:function(t){return t.__proto__||Object.getPrototypeOf(t)})(t)}var f=n(3),p=n(5),l=n(1),h=n(10),y=function(t){!function(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Super expression must either be null or a function");t.prototype=Object.create(e&&e.prototype,{constructor:{value:t,writable:!0,configurable:!0}}),e&&s(t,e)}(c,t);var e,n,r,u=a(c);function c(){return o(this,c),u.apply(this,arguments)}return e=c,(n=[{key:"doOpen",value:function(){this.poll()}},{key:"pause",value:function(t){var e=this;this.readyState="pausing";var n=function(){e.readyState="paused",t()};if(this.polling||!this.writable){var r=0;this.polling&&(r++,this.once("pollComplete",(function(){--r||n()}))),this.writable||(r++,this.once("drain",(function(){--r||n()})))}else n()}},{key:"poll",value:function(){this.polling=!0,this.doPoll(),this.emit("poll")}},{key:"onData",value:function(t){var e=this;l.decodePayload(t,this.socket.binaryType).forEach((function(t){if("opening"===e.readyState&&"open"===t.type&&e.onOpen(),"close"===t.type)return e.onClose(),!1;e.onPacket(t)})),"closed"!==this.readyState&&(this.polling=!1,this.emit("pollComplete"),"open"===this.readyState&&this.poll())}},{key:"doClose",value:function(){var t=this,e=function(){t.write([{type:"close"}])};"open"===this.readyState?e():this.once("open",e)}},{key:"write",value:function(t){var e=this;this.writable=!1,l.encodePayload(t,(function(t){e.doWrite(t,(function(){e.writable=!0,e.emit("drain")}))}))}},{key:"uri",value:function(){var t=this.query||{},e=this.opts.secure?"https":"http",n="";return!1!==this.opts.timestampRequests&&(t[this.opts.timestampParam]=h()),this.supportsBinary||t.sid||(t.b64=1),t=p.encode(t),this.opts.port&&("https"===e&&443!==Number(this.opts.port)||"http"===e&&80!==Number(this.opts.port))&&(n=":"+this.opts.port),t.length&&(t="?"+t),e+"://"+(-1!==this.opts.hostname.indexOf(":")?"["+this.opts.hostname+"]":this.opts.hostname)+n+this.opts.path+t}},{key:"name",get:function(){return"polling"}}])&&i(e.prototype,n),r&&i(e,r),c}(f);t.exports=y},function(t,e){var n=Object.create(null);n.open="0",n.close="1",n.ping="2",n.pong="3",n.message="4",n.upgrade="5",n.noop="6";var r=Object.create(null);Object.keys(n).forEach((function(t){r[n[t]]=t}));t.exports={PACKET_TYPES:n,PACKET_TYPES_REVERSE:r,ERROR_PACKET:{type:"error",data:"parser error"}}},function(t,e,n){"use strict";var r,o="0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-_".split(""),i={},s=0,a=0;function u(t){var e="";do{e=o[t%64]+e,t=Math.floor(t/64)}while(t>0);return e}function c(){var t=u(+new Date);return t!==r?(s=0,r=t):t+"."+u(s++)}for(;a<64;a++)i[o[a]]=a;c.encode=u,c.decode=function(t){var e=0;for(a=0;a<t.length;a++)e=64*e+i[t.charAt(a)];return e},t.exports=c},function(t,e,n){var r=n(12);t.exports=function(t,e){return new r(t,e)},t.exports.Socket=r,t.exports.protocol=r.protocol,t.exports.Transport=n(3),t.exports.transports=n(6),t.exports.parser=n(1)},function(t,e,n){function r(){return(r=Object.assign||function(t){for(var e=1;e<arguments.length;e++){var n=arguments[e];for(var r in n)Object.prototype.hasOwnProperty.call(n,r)&&(t[r]=n[r])}return t}).apply(this,arguments)}function o(t){return(o="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(t){return typeof t}:function(t){return t&&"function"==typeof Symbol&&t.constructor===Symbol&&t!==Symbol.prototype?"symbol":typeof t})(t)}function i(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}function s(t,e){for(var n=0;n<e.length;n++){var r=e[n];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(t,r.key,r)}}function a(t,e){return(a=Object.setPrototypeOf||function(t,e){return t.__proto__=e,t})(t,e)}function u(t){var e=function(){if("undefined"==typeof Reflect||!Reflect.construct)return!1;if(Reflect.construct.sham)return!1;if("function"==typeof Proxy)return!0;try{return Date.prototype.toString.call(Reflect.construct(Date,[],(function(){}))),!0}catch(t){return!1}}();return function(){var n,r=p(t);if(e){var o=p(this).constructor;n=Reflect.construct(r,arguments,o)}else n=r.apply(this,arguments);return c(this,n)}}function c(t,e){return!e||"object"!==o(e)&&"function"!=typeof e?f(t):e}function f(t){if(void 0===t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return t}function p(t){return(p=Object.setPrototypeOf?Object.getPrototypeOf:function(t){return t.__proto__||Object.getPrototypeOf(t)})(t)}var l=n(6),h=n(4),y=n(1),d=n(21),m=n(5),v=n(2).installTimerFunctions,b=function(t){!function(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Super expression must either be null or a function");t.prototype=Object.create(e&&e.prototype,{constructor:{value:t,writable:!0,configurable:!0}}),e&&a(t,e)}(h,t);var e,n,c,p=u(h);function h(t){var e,n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return i(this,h),e=p.call(this),t&&"object"===o(t)&&(n=t,t=null),t?(t=d(t),n.hostname=t.host,n.secure="https"===t.protocol||"wss"===t.protocol,n.port=t.port,t.query&&(n.query=t.query)):n.host&&(n.hostname=d(n.host).host),v(f(e),n),e.secure=null!=n.secure?n.secure:"undefined"!=typeof location&&"https:"===location.protocol,n.hostname&&!n.port&&(n.port=e.secure?"443":"80"),e.hostname=n.hostname||("undefined"!=typeof location?location.hostname:"localhost"),e.port=n.port||("undefined"!=typeof location&&location.port?location.port:e.secure?443:80),e.transports=n.transports||["polling","websocket"],e.readyState="",e.writeBuffer=[],e.prevBufferLen=0,e.opts=r({path:"/engine.io",agent:!1,withCredentials:!1,upgrade:!0,jsonp:!0,timestampParam:"t",rememberUpgrade:!1,rejectUnauthorized:!0,perMessageDeflate:{threshold:1024},transportOptions:{},closeOnBeforeunload:!0},n),e.opts.path=e.opts.path.replace(/\/$/,"")+"/","string"==typeof e.opts.query&&(e.opts.query=m.decode(e.opts.query)),e.id=null,e.upgrades=null,e.pingInterval=null,e.pingTimeout=null,e.pingTimeoutTimer=null,"function"==typeof addEventListener&&(e.opts.closeOnBeforeunload&&addEventListener("beforeunload",(function(){e.transport&&(e.transport.removeAllListeners(),e.transport.close())}),!1),"localhost"!==e.hostname&&(e.offlineEventListener=function(){e.onClose("transport close")},addEventListener("offline",e.offlineEventListener,!1))),e.open(),e}return e=h,(n=[{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=y.protocol,e.transport=t,this.id&&(e.sid=this.id);var n=r({},this.opts.transportOptions[t],this.opts,{query:e,socket:this,hostname:this.hostname,secure:this.secure,port:this.port});return new l[t](n)}},{key:"open",value:function(){var t,e=this;if(this.opts.rememberUpgrade&&h.priorWebsocketSuccess&&-1!==this.transports.indexOf("websocket"))t="websocket";else{if(0===this.transports.length)return void this.setTimeoutFn((function(){e.emit("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,{probe:1}),r=!1;h.priorWebsocketSuccess=!1;var o=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.emit("upgrading",n),!n)return;h.priorWebsocketSuccess="websocket"===n.name,e.transport.pause((function(){r||"closed"!==e.readyState&&(f(),e.setTransport(n),n.send([{type:"upgrade"}]),e.emit("upgrade",n),n=null,e.upgrading=!1,e.flush())}))}else{var o=new Error("probe error");o.transport=n.name,e.emit("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.emit("upgradeError",r)};function a(){s("transport closed")}function u(){s("socket closed")}function c(t){n&&t.name!==n.name&&i()}var f=function(){n.removeListener("open",o),n.removeListener("error",s),n.removeListener("close",a),e.removeListener("close",u),e.removeListener("upgrading",c)};n.once("open",o),n.once("error",s),n.once("close",a),this.once("close",u),this.once("upgrading",c),n.open()}},{key:"onOpen",value:function(){if(this.readyState="open",h.priorWebsocketSuccess="websocket"===this.transport.name,this.emit("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.emit("packet",t),this.emit("heartbeat"),t.type){case"open":this.onHandshake(JSON.parse(t.data));break;case"ping":this.resetPingTimeout(),this.sendPacket("pong"),this.emit("ping"),this.emit("pong");break;case"error":var e=new Error("server error");e.code=t.data,this.onError(e);break;case"message":this.emit("data",t.data),this.emit("message",t.data)}}},{key:"onHandshake",value:function(t){this.emit("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.emit("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.emit("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.emit("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.removeListener("upgrade",n),t.removeListener("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){h.priorWebsocketSuccess=!1,this.emit("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.pingIntervalTimer),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.emit("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}}])&&s(e.prototype,n),c&&s(e,c),h}(h);b.priorWebsocketSuccess=!1,b.protocol=y.protocol,t.exports=b},function(t,e){try{t.exports="undefined"!=typeof XMLHttpRequest&&"withCredentials"in new XMLHttpRequest}catch(e){t.exports=!1}},function(t,e,n){function r(t){return(r="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(t){return typeof t}:function(t){return t&&"function"==typeof Symbol&&t.constructor===Symbol&&t!==Symbol.prototype?"symbol":typeof t})(t)}function o(){return(o=Object.assign||function(t){for(var e=1;e<arguments.length;e++){var n=arguments[e];for(var r in n)Object.prototype.hasOwnProperty.call(n,r)&&(t[r]=n[r])}return t}).apply(this,arguments)}function i(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}function s(t,e){for(var n=0;n<e.length;n++){var r=e[n];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(t,r.key,r)}}function a(t,e,n){return e&&s(t.prototype,e),n&&s(t,n),t}function u(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Super expression must either be null or a function");t.prototype=Object.create(e&&e.prototype,{constructor:{value:t,writable:!0,configurable:!0}}),e&&c(t,e)}function c(t,e){return(c=Object.setPrototypeOf||function(t,e){return t.__proto__=e,t})(t,e)}function f(t){var e=function(){if("undefined"==typeof Reflect||!Reflect.construct)return!1;if(Reflect.construct.sham)return!1;if("function"==typeof Proxy)return!0;try{return Date.prototype.toString.call(Reflect.construct(Date,[],(function(){}))),!0}catch(t){return!1}}();return function(){var n,r=h(t);if(e){var o=h(this).constructor;n=Reflect.construct(r,arguments,o)}else n=r.apply(this,arguments);return p(this,n)}}function p(t,e){return!e||"object"!==r(e)&&"function"!=typeof e?l(t):e}function l(t){if(void 0===t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return t}function h(t){return(h=Object.setPrototypeOf?Object.getPrototypeOf:function(t){return t.__proto__||Object.getPrototypeOf(t)})(t)}var y=n(7),d=n(8),m=n(4),v=n(2),b=v.pick,g=v.installTimerFunctions,w=n(0);function k(){}var O=null!=new y({xdomain:!1}).responseType,S=function(t){u(n,t);var e=f(n);function n(t){var r;if(i(this,n),r=e.call(this,t),"undefined"!=typeof location){var o="https:"===location.protocol,s=location.port;s||(s=o?443:80),r.xd="undefined"!=typeof location&&t.hostname!==location.hostname||s!==t.port,r.xs=t.secure!==o}var a=t&&t.forceBase64;return r.supportsBinary=O&&!a,r}return a(n,[{key:"request",value:function(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};return o(t,{xd:this.xd,xs:this.xs},this.opts),new x(this.uri(),t)}},{key:"doWrite",value:function(t,e){var n=this,r=this.request({method:"POST",data:t});r.on("success",e),r.on("error",(function(t){n.onError("xhr post error",t)}))}},{key:"doPoll",value:function(){var t=this,e=this.request();e.on("data",this.onData.bind(this)),e.on("error",(function(e){t.onError("xhr poll error",e)})),this.pollXhr=e}}]),n}(d),x=function(t){u(n,t);var e=f(n);function n(t,r){var o;return i(this,n),o=e.call(this),g(l(o),r),o.opts=r,o.method=r.method||"GET",o.uri=t,o.async=!1!==r.async,o.data=void 0!==r.data?r.data:null,o.create(),o}return a(n,[{key:"create",value:function(){var t=this,e=b(this.opts,"agent","enablesXDR","pfx","key","passphrase","cert","ca","ciphers","rejectUnauthorized","autoUnref");e.xdomain=!!this.opts.xd,e.xscheme=!!this.opts.xs;var r=this.xhr=new y(e);try{r.open(this.method,this.uri,this.async);try{if(this.opts.extraHeaders)for(var o in r.setDisableHeaderCheck&&r.setDisableHeaderCheck(!0),this.opts.extraHeaders)this.opts.extraHeaders.hasOwnProperty(o)&&r.setRequestHeader(o,this.opts.extraHeaders[o])}catch(t){}if("POST"===this.method)try{r.setRequestHeader("Content-type","text/plain;charset=UTF-8")}catch(t){}try{r.setRequestHeader("Accept","*/*")}catch(t){}"withCredentials"in r&&(r.withCredentials=this.opts.withCredentials),this.opts.requestTimeout&&(r.timeout=this.opts.requestTimeout),this.hasXDR()?(r.onload=function(){t.onLoad()},r.onerror=function(){t.onError(r.responseText)}):r.onreadystatechange=function(){4===r.readyState&&(200===r.status||1223===r.status?t.onLoad():t.setTimeoutFn((function(){t.onError("number"==typeof r.status?r.status:0)}),0))},r.send(this.data)}catch(e){return void this.setTimeoutFn((function(){t.onError(e)}),0)}"undefined"!=typeof document&&(this.index=n.requestsCount++,n.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.hasXDR()?this.xhr.onload=this.xhr.onerror=k:this.xhr.onreadystatechange=k,t)try{this.xhr.abort()}catch(t){}"undefined"!=typeof document&&delete n.requests[this.index],this.xhr=null}}},{key:"onLoad",value:function(){var t=this.xhr.responseText;null!==t&&this.onData(t)}},{key:"hasXDR",value:function(){return"undefined"!=typeof XDomainRequest&&!this.xs&&this.enablesXDR}},{key:"abort",value:function(){this.cleanup()}}]),n}(m);if(x.requestsCount=0,x.requests={},"undefined"!=typeof document)if("function"==typeof attachEvent)attachEvent("onunload",P);else if("function"==typeof addEventListener){addEventListener("onpagehide"in w?"pagehide":"unload",P,!1)}function P(){for(var t in x.requests)x.requests.hasOwnProperty(t)&&x.requests[t].abort()}t.exports=S,t.exports.Request=x},function(t,e,n){var r=n(9).PACKET_TYPES,o="function"==typeof Blob||"undefined"!=typeof Blob&&"[object BlobConstructor]"===Object.prototype.toString.call(Blob),i="function"==typeof ArrayBuffer,s=function(t,e){var n=new FileReader;return n.onload=function(){var t=n.result.split(",")[1];e("b"+t)},n.readAsDataURL(t)};t.exports=function(t,e,n){var a,u=t.type,c=t.data;return o&&c instanceof Blob?e?n(c):s(c,n):i&&(c instanceof ArrayBuffer||(a=c,"function"==typeof ArrayBuffer.isView?ArrayBuffer.isView(a):a&&a.buffer instanceof ArrayBuffer))?e?n(c):s(new Blob([c]),n):n(r[u]+(c||""))}},function(t,e,n){var r,o=n(9),i=o.PACKET_TYPES_REVERSE,s=o.ERROR_PACKET;"function"==typeof ArrayBuffer&&(r=n(17));var a=function(t,e){if(r){var n=r.decode(t);return u(n,e)}return{base64:!0,data:t}},u=function(t,e){switch(e){case"blob":return t instanceof ArrayBuffer?new Blob([t]):t;case"arraybuffer":default:return t}};t.exports=function(t,e){if("string"!=typeof t)return{type:"message",data:u(t,e)};var n=t.charAt(0);return"b"===n?{type:"message",data:a(t.substring(1),e)}:i[n]?t.length>1?{type:i[n],data:t.substring(1)}:{type:i[n]}:s}},function(t,e){!function(t){"use strict";e.encode=function(e){var n,r=new Uint8Array(e),o=r.length,i="";for(n=0;n<o;n+=3)i+=t[r[n]>>2],i+=t[(3&r[n])<<4|r[n+1]>>4],i+=t[(15&r[n+1])<<2|r[n+2]>>6],i+=t[63&r[n+2]];return o%3==2?i=i.substring(0,i.length-1)+"=":o%3==1&&(i=i.substring(0,i.length-2)+"=="),i},e.decode=function(e){var n,r,o,i,s,a=.75*e.length,u=e.length,c=0;"="===e[e.length-1]&&(a--,"="===e[e.length-2]&&a--);var f=new ArrayBuffer(a),p=new Uint8Array(f);for(n=0;n<u;n+=4)r=t.indexOf(e[n]),o=t.indexOf(e[n+1]),i=t.indexOf(e[n+2]),s=t.indexOf(e[n+3]),p[c++]=r<<2|o>>4,p[c++]=(15&o)<<4|i>>2,p[c++]=(3&i)<<6|63&s;return f}}("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/")},function(t,e,n){function r(t){return(r="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(t){return typeof t}:function(t){return t&&"function"==typeof Symbol&&t.constructor===Symbol&&t!==Symbol.prototype?"symbol":typeof t})(t)}function o(t,e){for(var n=0;n<e.length;n++){var r=e[n];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(t,r.key,r)}}function i(t,e,n){return(i="undefined"!=typeof Reflect&&Reflect.get?Reflect.get:function(t,e,n){var r=function(t,e){for(;!Object.prototype.hasOwnProperty.call(t,e)&&null!==(t=f(t)););return t}(t,e);if(r){var o=Object.getOwnPropertyDescriptor(r,e);return o.get?o.get.call(n):o.value}})(t,e,n||t)}function s(t,e){return(s=Object.setPrototypeOf||function(t,e){return t.__proto__=e,t})(t,e)}function a(t){var e=function(){if("undefined"==typeof Reflect||!Reflect.construct)return!1;if(Reflect.construct.sham)return!1;if("function"==typeof Proxy)return!0;try{return Date.prototype.toString.call(Reflect.construct(Date,[],(function(){}))),!0}catch(t){return!1}}();return function(){var n,r=f(t);if(e){var o=f(this).constructor;n=Reflect.construct(r,arguments,o)}else n=r.apply(this,arguments);return u(this,n)}}function u(t,e){return!e||"object"!==r(e)&&"function"!=typeof e?c(t):e}function c(t){if(void 0===t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return t}function f(t){return(f=Object.setPrototypeOf?Object.getPrototypeOf:function(t){return t.__proto__||Object.getPrototypeOf(t)})(t)}var p,l=n(8),h=n(0),y=/\n/g,d=/\\n/g,m=function(t){!function(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Super expression must either be null or a function");t.prototype=Object.create(e&&e.prototype,{constructor:{value:t,writable:!0,configurable:!0}}),e&&s(t,e)}(l,t);var e,n,r,u=a(l);function l(t){var e;return function(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}(this,l),(e=u.call(this,t)).query=e.query||{},p||(p=h.___eio=h.___eio||[]),e.index=p.length,p.push(e.onData.bind(c(e))),e.query.j=e.index,e}return e=l,(n=[{key:"doClose",value:function(){this.script&&(this.script.onerror=function(){},this.script.parentNode.removeChild(this.script),this.script=null),this.form&&(this.form.parentNode.removeChild(this.form),this.form=null,this.iframe=null),i(f(l.prototype),"doClose",this).call(this)}},{key:"doPoll",value:function(){var t=this,e=document.createElement("script");this.script&&(this.script.parentNode.removeChild(this.script),this.script=null),e.async=!0,e.src=this.uri(),e.onerror=function(e){t.onError("jsonp poll error",e)};var n=document.getElementsByTagName("script")[0];n?n.parentNode.insertBefore(e,n):(document.head||document.body).appendChild(e),this.script=e,"undefined"!=typeof navigator&&/gecko/i.test(navigator.userAgent)&&this.setTimeoutFn((function(){var t=document.createElement("iframe");document.body.appendChild(t),document.body.removeChild(t)}),100)}},{key:"doWrite",value:function(t,e){var n,r=this;if(!this.form){var o=document.createElement("form"),i=document.createElement("textarea"),s=this.iframeId="eio_iframe_"+this.index;o.className="socketio",o.style.position="absolute",o.style.top="-1000px",o.style.left="-1000px",o.target=s,o.method="POST",o.setAttribute("accept-charset","utf-8"),i.name="d",o.appendChild(i),document.body.appendChild(o),this.form=o,this.area=i}function a(){u(),e()}this.form.action=this.uri();var u=function(){if(r.iframe)try{r.form.removeChild(r.iframe)}catch(t){r.onError("jsonp polling iframe removal error",t)}try{var t='<iframe src="javascript:0" name="'+r.iframeId+'">';n=document.createElement(t)}catch(t){(n=document.createElement("iframe")).name=r.iframeId,n.src="javascript:0"}n.id=r.iframeId,r.form.appendChild(n),r.iframe=n};u(),t=t.replace(d,"\\\n"),this.area.value=t.replace(y,"\\n");try{this.form.submit()}catch(t){}this.iframe.attachEvent?this.iframe.onreadystatechange=function(){"complete"===r.iframe.readyState&&a()}:this.iframe.onload=a}},{key:"supportsBinary",get:function(){return!1}}])&&o(e.prototype,n),r&&o(e,r),l}(l);t.exports=m},function(t,e,n){function r(t){return(r="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(t){return typeof t}:function(t){return t&&"function"==typeof Symbol&&t.constructor===Symbol&&t!==Symbol.prototype?"symbol":typeof t})(t)}function o(t,e){for(var n=0;n<e.length;n++){var r=e[n];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(t,r.key,r)}}function i(t,e){return(i=Object.setPrototypeOf||function(t,e){return t.__proto__=e,t})(t,e)}function s(t){var e=function(){if("undefined"==typeof Reflect||!Reflect.construct)return!1;if(Reflect.construct.sham)return!1;if("function"==typeof Proxy)return!0;try{return Date.prototype.toString.call(Reflect.construct(Date,[],(function(){}))),!0}catch(t){return!1}}();return function(){var n,r=u(t);if(e){var o=u(this).constructor;n=Reflect.construct(r,arguments,o)}else n=r.apply(this,arguments);return a(this,n)}}function a(t,e){return!e||"object"!==r(e)&&"function"!=typeof e?function(t){if(void 0===t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return t}(t):e}function u(t){return(u=Object.setPrototypeOf?Object.getPrototypeOf:function(t){return t.__proto__||Object.getPrototypeOf(t)})(t)}var c=n(3),f=n(1),p=n(5),l=n(10),h=n(2).pick,y=n(20),d=y.WebSocket,m=y.usingBrowserWebSocket,v=y.defaultBinaryType,b=y.nextTick,g="undefined"!=typeof navigator&&"string"==typeof navigator.product&&"reactnative"===navigator.product.toLowerCase(),w=function(t){!function(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Super expression must either be null or a function");t.prototype=Object.create(e&&e.prototype,{constructor:{value:t,writable:!0,configurable:!0}}),e&&i(t,e)}(u,t);var e,n,r,a=s(u);function u(t){var e;return function(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}(this,u),(e=a.call(this,t)).supportsBinary=!t.forceBase64,e}return e=u,(n=[{key:"doOpen",value:function(){if(this.check()){var t=this.uri(),e=this.opts.protocols,n=g?{}:h(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=m&&!g?e?new d(t,e):new d(t):new d(t,e,n)}catch(t){return this.emit("error",t)}this.ws.binaryType=this.socket.binaryType||v,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],o=n===t.length-1;f.encodePacket(r,e.supportsBinary,(function(t){var n={};m||(r.options&&(n.compress=r.options.compress),e.opts.perMessageDeflate&&("string"==typeof t?Buffer.byteLength(t):t.length)<e.opts.perMessageDeflate.threshold&&(n.compress=!1));try{m?e.ws.send(t):e.ws.send(t,n)}catch(t){}o&&b((function(){e.writable=!0,e.emit("drain")}),e.setTimeoutFn)}))},r=0;r<t.length;r++)n(r)}},{key:"onClose",value:function(){c.prototype.onClose.call(this)}},{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="";return 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]=l()),this.supportsBinary||(t.b64=1),(t=p.encode(t)).length&&(t="?"+t),e+"://"+(-1!==this.opts.hostname.indexOf(":")?"["+this.opts.hostname+"]":this.opts.hostname)+n+this.opts.path+t}},{key:"check",value:function(){return!(!d||"__initialize"in d&&this.name===u.prototype.name)}},{key:"name",get:function(){return"websocket"}}])&&o(e.prototype,n),r&&o(e,r),u}(c);t.exports=w},function(t,e,n){var r=n(0),o="function"==typeof Promise&&"function"==typeof Promise.resolve?function(t){return Promise.resolve().then(t)}:function(t,e){return e(t,0)};t.exports={WebSocket:r.WebSocket||r.MozWebSocket,usingBrowserWebSocket:!0,defaultBinaryType:"arraybuffer",nextTick:o}},function(t,e){var n=/^(?:(?![^:@]+:[^:@\/]*@)(http|https|ws|wss):\/\/)?((?:(([^:@]*)(?::([^:@]*))?)?@)?((?:[a-f0-9]{0,4}:){2,7}[a-f0-9]{0,4}|[^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/,r=["source","protocol","authority","userInfo","user","password","host","port","relative","path","directory","file","query","anchor"];t.exports=function(t){var e=t,o=t.indexOf("["),i=t.indexOf("]");-1!=o&&-1!=i&&(t=t.substring(0,o)+t.substring(o,i).replace(/:/g,";")+t.substring(i,t.length));for(var s,a,u=n.exec(t||""),c={},f=14;f--;)c[r[f]]=u[f]||"";return-1!=o&&-1!=i&&(c.source=e,c.host=c.host.substring(1,c.host.length-1).replace(/;/g,":"),c.authority=c.authority.replace("[","").replace("]","").replace(/;/g,":"),c.ipv6uri=!0),c.pathNames=function(t,e){var n=e.replace(/\/{2,9}/g,"/").split("/");"/"!=e.substr(0,1)&&0!==e.length||n.splice(0,1);"/"==e.substr(e.length-1,1)&&n.splice(n.length-1,1);return n}(0,c.path),c.queryKey=(s=c.query,a={},s.replace(/(?:^|&)([^&=]*)=?([^&]*)/g,(function(t,e,n){e&&(a[e]=n)})),a),c}}])}));

@@ -7,2 +7,3 @@ const transports = require("./transports/index");

const parseqs = require("parseqs");
const { installTimerFunctions } = require("./util");

@@ -35,2 +36,4 @@ class Socket extends Emitter {

installTimerFunctions(this, opts);
this.secure =

@@ -177,3 +180,3 @@ null != opts.secure

// Emit error on next tick so it can be listened to
setTimeout(() => {
this.setTimeoutFn(() => {
this.emit("error", "No transports available");

@@ -437,4 +440,4 @@ }, 0);

resetPingTimeout() {
clearTimeout(this.pingTimeoutTimer);
this.pingTimeoutTimer = setTimeout(() => {
this.clearTimeoutFn(this.pingTimeoutTimer);
this.pingTimeoutTimer = this.setTimeoutFn(() => {
this.onClose("ping timeout");

@@ -616,4 +619,4 @@ }, this.pingInterval + this.pingTimeout);

// clear timers
clearTimeout(this.pingIntervalTimer);
clearTimeout(this.pingTimeoutTimer);
this.clearTimeoutFn(this.pingIntervalTimer);
this.clearTimeoutFn(this.pingTimeoutTimer);

@@ -620,0 +623,0 @@ // stop event from firing again for transport

const parser = require("engine.io-parser");
const Emitter = require("component-emitter");
const { installTimerFunctions } = require("./util");
const debug = require("debug")("engine.io-client:transport");

@@ -14,2 +15,3 @@

super();
installTimerFunctions(this, opts);

@@ -16,0 +18,0 @@ this.opts = opts;

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

const XMLHttpRequest = require("../../contrib/xmlhttprequest-ssl/XMLHttpRequest");
const XMLHttpRequest = require("xmlhttprequest-ssl");
const XHR = require("./polling-xhr");

@@ -3,0 +3,0 @@ const JSONP = require("./polling-jsonp");

@@ -102,3 +102,3 @@ const Polling = require("./polling");

if (isUAgecko) {
setTimeout(function() {
this.setTimeoutFn(function() {
const iframe = document.createElement("iframe");

@@ -105,0 +105,0 @@ document.body.appendChild(iframe);

/* global attachEvent */
const XMLHttpRequest = require("../../contrib/xmlhttprequest-ssl/XMLHttpRequest");
const XMLHttpRequest = require("xmlhttprequest-ssl");
const Polling = require("./polling");
const Emitter = require("component-emitter");
const { pick } = require("../util");
const { pick, installTimerFunctions } = require("../util");
const globalThis = require("../globalThis");

@@ -108,2 +108,3 @@

super();
installTimerFunctions(this, opts);
this.opts = opts;

@@ -191,3 +192,3 @@

// does not throw in the same tick and gets caught here
setTimeout(() => {
this.setTimeoutFn(() => {
this.onError(typeof xhr.status === "number" ? xhr.status : 0);

@@ -205,3 +206,3 @@ }, 0);

// occurs. Therefore, also, we cannot throw here at all.
setTimeout(() => {
this.setTimeoutFn(() => {
this.onError(e);

@@ -208,0 +209,0 @@ }, 0);

@@ -8,3 +8,3 @@ const globalThis = require("../globalThis");

} else {
return cb => setTimeout(cb, 0);
return (cb, setTimeoutFn) => setTimeoutFn(cb, 0);
}

@@ -11,0 +11,0 @@ })();

@@ -168,3 +168,3 @@ const Transport = require("../transport");

this.emit("drain");
});
}, this.setTimeoutFn);
}

@@ -171,0 +171,0 @@ });

@@ -0,1 +1,3 @@

const globalThis = require("./globalThis");
module.exports.pick = (obj, ...attr) => {

@@ -9,1 +11,15 @@ return attr.reduce((acc, k) => {

};
// Keep a reference to the real timeout functions so they can be used when overridden
const NATIVE_SET_TIMEOUT = setTimeout;
const NATIVE_CLEAR_TIMEOUT = clearTimeout;
module.exports.installTimerFunctions = (obj, opts) => {
if (opts.useNativeTimers) {
obj.setTimeoutFn = NATIVE_SET_TIMEOUT.bind(globalThis);
obj.clearTimeoutFn = NATIVE_CLEAR_TIMEOUT.bind(globalThis);
} else {
obj.setTimeoutFn = setTimeout.bind(globalThis);
obj.clearTimeoutFn = clearTimeout.bind(globalThis);
}
};

@@ -5,3 +5,3 @@ {

"license": "MIT",
"version": "5.1.2",
"version": "5.2.0",
"main": "lib/index.js",

@@ -36,2 +36,3 @@ "homepage": "https://github.com/socketio/engine.io-client",

"ws": "~7.4.2",
"xmlhttprequest-ssl": "~2.0.0",
"yeast": "0.1.2"

@@ -43,2 +44,4 @@ },

"@babel/preset-env": "^7.12.7",
"@sinonjs/fake-timers": "^7.1.2",
"@types/sinonjs__fake-timers": "^6.0.3",
"babel-eslint": "^10.1.0",

@@ -58,3 +61,3 @@ "babel-loader": "^8.2.2",

"webpack-remove-debug": "^0.1.0",
"zuul": "^3.12.0",
"zuul": "~3.11.1",
"zuul-builder-webpack": "^1.2.0",

@@ -74,3 +77,3 @@ "zuul-ngrok": "4.0.0"

"ws": false,
"./contrib/xmlhttprequest-ssl/XMLHttpRequest.js": "./lib/xmlhttprequest.js",
"xmlhttprequest-ssl": "./lib/xmlhttprequest.js",
"./test/node.js": false,

@@ -77,0 +80,0 @@ "./lib/transports/websocket-constructor.js": "./lib/transports/websocket-constructor.browser.js",

@@ -266,2 +266,3 @@

- `autoUnref` (`Boolean`): whether the transport should be `unref`'d upon creation. This calls `unref` on the underlying timers and sockets so that the program is allowed to exit if they are the only timers/sockets in the event system (Node.js only)
- `useNativeTimers` (`Boolean`): Whether to always use the native timeouts. This allows the client to reconnect when the native timeout functions are overridden, such as when mock clocks are installed with [`@sinonjs/fake-timers`](https://github.com/sinonjs/fake-timers).
- **Polling-only options**

@@ -268,0 +269,0 @@ - `requestTimeout` (`Number`): Timeout for xhr-polling requests in milliseconds (`0`)

Sorry, the diff of this file is too big to display

SocketSocket SOC 2 Logo

Product

  • Package Alerts
  • Integrations
  • Docs
  • Pricing
  • FAQ
  • Roadmap
  • Changelog

Packages

npm

Stay in touch

Get open source security insights delivered straight into your inbox.


  • Terms
  • Privacy
  • Security

Made with ⚡️ by Socket Inc