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 * (c) 2014-2024 Guillermo Rauch
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o=t.substring(e,i);if(o!=Number(o)||"-"!==t.charAt(i))throw new Error("Illegal attachments");r.attachments=Number(o)}if("/"===t.charAt(i+1)){for(var s=i+1;++i;){if(","===t.charAt(i))break;if(i===t.length)break}r.nsp=t.substring(s,i)}else r.nsp="/";var u=t.charAt(i+1);if(""!==u&&Number(u)==u){for(var h=i+1;++i;){var f=t.charAt(i);if(null==f||Number(f)!=f){--i;break}if(i===t.length)break}r.id=Number(t.substring(h,i+1))}if(t.charAt(++i)){var c=this.tryParse(t.substr(i));if(!n.isPayloadValid(r.type,c))throw new Error("invalid payload");r.data=c}return r},i.tryParse=function(t){try{return JSON.parse(t,this.reviver)}catch(t){return!1}},n.isPayloadValid=function(t,n){switch(t){case Bt.CONNECT:return Mt(n);case Bt.DISCONNECT:return void 0===n;case Bt.CONNECT_ERROR:return"string"==typeof n||Mt(n);case Bt.EVENT:case Bt.BINARY_EVENT:return Array.isArray(n)&&("number"==typeof n[0]||"string"==typeof n[0]&&-1===St.indexOf(n[0]));case Bt.ACK:case Bt.BINARY_ACK:return Array.isArray(n)}},i.destroy=function(){this.reconstructor&&(this.reconstructor.finishedReconstruction(),this.reconstructor=null)},n}(I),Tt=function(){function t(t){this.packet=t,this.buffers=[],this.reconPack=t}var n=t.prototype;return n.takeBinaryData=function(t){if(this.buffers.push(t),this.buffers.length===this.reconPack.attachments){var n=Et(this.reconPack,this.buffers);return this.finishedReconstruction(),n}return null},n.finishedReconstruction=function(){this.reconPack=null,this.buffers=[]},t}();var Ut=Number.isInteger||function(t){return"number"==typeof t&&isFinite(t)&&Math.floor(t)===t};function Mt(t){return"[object Object]"===Object.prototype.toString.call(t)}var xt=Object.freeze({__proto__:null,protocol:5,get PacketType(){return Bt},Encoder:Nt,Decoder:Ct,isPacketValid:function(t){return"string"==typeof t.nsp&&(void 0===(n=t.id)||Ut(n))&&function(t,n){switch(t){case Bt.CONNECT:return void 0===n||Mt(n);case Bt.DISCONNECT:return void 0===n;case Bt.EVENT:return 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this.connected||(this.subEvents(),this.io.ot||this.io.open(),"open"===this.io.st&&this.onopen()),this},o.open=function(){return this.connect()},o.send=function(){for(var t=arguments.length,n=new Array(t),i=0;i<t;i++)n[i]=arguments[i];return n.unshift("message"),this.emit.apply(this,n),this},o.emit=function(t){var n,i,r;if(Rt.hasOwnProperty(t))throw new Error('"'+t.toString()+'" is a reserved event name');for(var e=arguments.length,o=new Array(e>1?e-1:0),s=1;s<e;s++)o[s-1]=arguments[s];if(o.unshift(t),this.l.retries&&!this.flags.fromQueue&&!this.flags.volatile)return this.ut(o),this;var u={type:Bt.EVENT,data:o,options:{}};if(u.options.compress=!1!==this.flags.compress,"function"==typeof o[o.length-1]){var h=this.ids++,f=o.pop();this.ht(h,f),u.id=h}var c=null===(i=null===(n=this.io.engine)||void 0===n?void 0:n.transport)||void 0===i?void 0:i.writable,a=this.connected&&!(null===(r=this.io.engine)||void 0===r?void 0:r.W());return this.flags.volatile&&!c||(a?(this.notifyOutgoingListeners(u),this.packet(u)):this.sendBuffer.push(u)),this.flags={},this},o.ht=function(t,n){var i,r=this,e=null!==(i=this.flags.timeout)&&void 0!==i?i:this.l.ackTimeout;if(void 0!==e){var o=this.io.setTimeoutFn((function(){delete r.acks[t];for(var i=0;i<r.sendBuffer.length;i++)r.sendBuffer[i].id===t&&r.sendBuffer.splice(i,1);n.call(r,new Error("operation has timed out"))}),e),s=function(){r.io.clearTimeoutFn(o);for(var t=arguments.length,i=new Array(t),e=0;e<t;e++)i[e]=arguments[e];n.apply(r,i)};s.withError=!0,this.acks[t]=s}else this.acks[t]=n},o.emitWithAck=function(t){for(var n=this,i=arguments.length,r=new Array(i>1?i-1:0),e=1;e<i;e++)r[e-1]=arguments[e];return new Promise((function(i,e){var o=function(t,n){return t?e(t):i(n)};o.withError=!0,r.push(o),n.emit.apply(n,[t].concat(r))}))},o.ut=function(t){var n,i=this;"function"==typeof t[t.length-1]&&(n=t.pop());var r={id:this.rt++,tryCount:0,pending:!1,args:t,flags:e({fromQueue:!0},this.flags)};t.push((function(t){if(r===i.it[0]){if(null!==t)r.tryCount>i.l.retries&&(i.it.shift(),n&&n(t));else if(i.it.shift(),n){for(var e=arguments.length,o=new Array(e>1?e-1:0),s=1;s<e;s++)o[s-1]=arguments[s];n.apply(void 0,[null].concat(o))}return r.pending=!1,i.ft()}})),this.it.push(r),this.ft()},o.ft=function(){var t=arguments.length>0&&void 0!==arguments[0]&&arguments[0];if(this.connected&&0!==this.it.length){var n=this.it[0];n.pending&&!t||(n.pending=!0,n.tryCount++,this.flags=n.flags,this.emit.apply(this,n.args))}},o.packet=function(t){t.nsp=this.nsp,this.io.ct(t)},o.onopen=function(){var t=this;"function"==typeof this.auth?this.auth((function(n){t.vt(n)})):this.vt(this.auth)},o.vt=function(t){this.packet({type:Bt.CONNECT,data:this.lt?e({pid:this.lt,offset:this.dt},t):t})},o.onerror=function(t){this.connected||this.emitReserved("connect_error",t)},o.onclose=function(t,n){this.connected=!1,delete this.id,this.emitReserved("disconnect",t,n),this.yt()},o.yt=function(){var t=this;Object.keys(this.acks).forEach((function(n){if(!t.sendBuffer.some((function(t){return String(t.id)===n}))){var i=t.acks[n];delete t.acks[n],i.withError&&i.call(t,new Error("socket has been disconnected"))}}))},o.onpacket=function(t){if(t.nsp===this.nsp)switch(t.type){case Bt.CONNECT:t.data&&t.data.sid?this.onconnect(t.data.sid,t.data.pid):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)}},o.onevent=function(t){var n=t.data||[];null!=t.id&&n.push(this.ack(t.id)),this.connected?this.emitEvent(n):this.receiveBuffer.push(Object.freeze(n))},o.emitEvent=function(n){if(this.bt&&this.bt.length){var i,e=r(this.bt.slice());try{for(e.s();!(i=e.n()).done;){i.value.apply(this,n)}}catch(t){e.e(t)}finally{e.f()}}t.prototype.emit.apply(this,n),this.lt&&n.length&&"string"==typeof n[n.length-1]&&(this.dt=n[n.length-1])},o.ack=function(t){var n=this,i=!1;return function(){if(!i){i=!0;for(var r=arguments.length,e=new Array(r),o=0;o<r;o++)e[o]=arguments[o];n.packet({type:Bt.ACK,id:t,data:e})}}},o.onack=function(t){var n=this.acks[t.id];"function"==typeof n&&(delete this.acks[t.id],n.withError&&t.data.unshift(null),n.apply(this,t.data))},o.onconnect=function(t,n){this.id=t,this.recovered=n&&this.lt===n,this.lt=n,this.connected=!0,this.emitBuffered(),this.emitReserved("connect"),this.ft(!0)},o.emitBuffered=function(){var t=this;this.receiveBuffer.forEach((function(n){return t.emitEvent(n)})),this.receiveBuffer=[],this.sendBuffer.forEach((function(n){t.notifyOutgoingListeners(n),t.packet(n)})),this.sendBuffer=[]},o.ondisconnect=function(){this.destroy(),this.onclose("io server disconnect")},o.destroy=function(){this.subs&&(this.subs.forEach((function(t){return t()})),this.subs=void 0),this.io.wt(this)},o.disconnect=function(){return this.connected&&this.packet({type:Bt.DISCONNECT}),this.destroy(),this.connected&&this.onclose("io client disconnect"),this},o.close=function(){return this.disconnect()},o.compress=function(t){return this.flags.compress=t,this},o.timeout=function(t){return this.flags.timeout=t,this},o.onAny=function(t){return this.bt=this.bt||[],this.bt.push(t),this},o.prependAny=function(t){return this.bt=this.bt||[],this.bt.unshift(t),this},o.offAny=function(t){if(!this.bt)return this;if(t){for(var n=this.bt,i=0;i<n.length;i++)if(t===n[i])return n.splice(i,1),this}else this.bt=[];return this},o.listenersAny=function(){return this.bt||[]},o.onAnyOutgoing=function(t){return this.gt=this.gt||[],this.gt.push(t),this},o.prependAnyOutgoing=function(t){return this.gt=this.gt||[],this.gt.unshift(t),this},o.offAnyOutgoing=function(t){if(!this.gt)return this;if(t){for(var n=this.gt,i=0;i<n.length;i++)if(t===n[i])return n.splice(i,1),this}else this.gt=[];return this},o.listenersAnyOutgoing=function(){return this.gt||[]},o.notifyOutgoingListeners=function(t){if(this.gt&&this.gt.length){var n,i=r(this.gt.slice());try{for(i.s();!(n=i.n()).done;){n.value.apply(this,t.data)}}catch(t){i.e(t)}finally{i.f()}}},i(n,[{key:"disconnected",get:function(){return!this.connected}},{key:"active",get:function(){return!!this.subs}},{key:"volatile",get:function(){return this.flags.volatile=!0,this}}])}(I);function _t(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}_t.prototype.duration=function(){var t=this.ms*Math.pow(this.factor,this.attempts++);if(this.jitter){var n=Math.random(),i=Math.floor(n*this.jitter*t);t=1&Math.floor(10*n)?t+i:t-i}return 0|Math.min(t,this.max)},_t.prototype.reset=function(){this.attempts=0},_t.prototype.setMin=function(t){this.ms=t},_t.prototype.setMax=function(t){this.max=t},_t.prototype.setJitter=function(t){this.jitter=t};var Dt=function(t){function n(n,i){var r,e;(r=t.call(this)||this).nsps={},r.subs=[],n&&"object"===c(n)&&(i=n,n=void 0),(i=i||{}).path=i.path||"/socket.io",r.opts=i,$(r,i),r.reconnection(!1!==i.reconnection),r.reconnectionAttempts(i.reconnectionAttempts||1/0),r.reconnectionDelay(i.reconnectionDelay||1e3),r.reconnectionDelayMax(i.reconnectionDelayMax||5e3),r.randomizationFactor(null!==(e=i.randomizationFactor)&&void 0!==e?e:.5),r.backoff=new _t({min:r.reconnectionDelay(),max:r.reconnectionDelayMax(),jitter:r.randomizationFactor()}),r.timeout(null==i.timeout?2e4:i.timeout),r.st="closed",r.uri=n;var o=i.parser||xt;return r.encoder=new o.Encoder,r.decoder=new o.Decoder,r.et=!1!==i.autoConnect,r.et&&r.open(),r}s(n,t);var i=n.prototype;return i.reconnection=function(t){return arguments.length?(this.kt=!!t,t||(this.skipReconnect=!0),this):this.kt},i.reconnectionAttempts=function(t){return void 0===t?this.At:(this.At=t,this)},i.reconnectionDelay=function(t){var n;return void 0===t?this.jt:(this.jt=t,null===(n=this.backoff)||void 0===n||n.setMin(t),this)},i.randomizationFactor=function(t){var n;return void 0===t?this.Et:(this.Et=t,null===(n=this.backoff)||void 0===n||n.setJitter(t),this)},i.reconnectionDelayMax=function(t){var n;return void 0===t?this.Ot:(this.Ot=t,null===(n=this.backoff)||void 0===n||n.setMax(t),this)},i.timeout=function(t){return arguments.length?(this.Bt=t,this):this.Bt},i.maybeReconnectOnOpen=function(){!this.ot&&this.kt&&0===this.backoff.attempts&&this.reconnect()},i.open=function(t){var n=this;if(~this.st.indexOf("open"))return this;this.engine=new pt(this.uri,this.opts);var i=this.engine,r=this;this.st="opening",this.skipReconnect=!1;var e=It(i,"open",(function(){r.onopen(),t&&t()})),o=function(i){n.cleanup(),n.st="closed",n.emitReserved("error",i),t?t(i):n.maybeReconnectOnOpen()},s=It(i,"error",o);if(!1!==this.Bt){var u=this.Bt,h=this.setTimeoutFn((function(){e(),o(new Error("timeout")),i.close()}),u);this.opts.autoUnref&&h.unref(),this.subs.push((function(){n.clearTimeoutFn(h)}))}return this.subs.push(e),this.subs.push(s),this},i.connect=function(t){return this.open(t)},i.onopen=function(){this.cleanup(),this.st="open",this.emitReserved("open");var t=this.engine;this.subs.push(It(t,"ping",this.onping.bind(this)),It(t,"data",this.ondata.bind(this)),It(t,"error",this.onerror.bind(this)),It(t,"close",this.onclose.bind(this)),It(this.decoder,"decoded",this.ondecoded.bind(this)))},i.onping=function(){this.emitReserved("ping")},i.ondata=function(t){try{this.decoder.add(t)}catch(t){this.onclose("parse error",t)}},i.ondecoded=function(t){var n=this;R((function(){n.emitReserved("packet",t)}),this.setTimeoutFn)},i.onerror=function(t){this.emitReserved("error",t)},i.socket=function(t,n){var i=this.nsps[t];return i?this.et&&!i.active&&i.connect():(i=new Lt(this,t,n),this.nsps[t]=i),i},i.wt=function(t){for(var n=0,i=Object.keys(this.nsps);n<i.length;n++){var r=i[n];if(this.nsps[r].active)return}this.St()},i.ct=function(t){for(var n=this.encoder.encode(t),i=0;i<n.length;i++)this.engine.write(n[i],t.options)},i.cleanup=function(){this.subs.forEach((function(t){return t()})),this.subs.length=0,this.decoder.destroy()},i.St=function(){this.skipReconnect=!0,this.ot=!1,this.onclose("forced close")},i.disconnect=function(){return this.St()},i.onclose=function(t,n){var i;this.cleanup(),null===(i=this.engine)||void 0===i||i.close(),this.backoff.reset(),this.st="closed",this.emitReserved("close",t,n),this.kt&&!this.skipReconnect&&this.reconnect()},i.reconnect=function(){var t=this;if(this.ot||this.skipReconnect)return this;var n=this;if(this.backoff.attempts>=this.At)this.backoff.reset(),this.emitReserved("reconnect_failed"),this.ot=!1;else{var i=this.backoff.duration();this.ot=!0;var r=this.setTimeoutFn((function(){n.skipReconnect||(t.emitReserved("reconnect_attempt",n.backoff.attempts),n.skipReconnect||n.open((function(i){i?(n.ot=!1,n.reconnect(),t.emitReserved("reconnect_error",i)):n.onreconnect()})))}),i);this.opts.autoUnref&&r.unref(),this.subs.push((function(){t.clearTimeoutFn(r)}))}},i.onreconnect=function(){var t=this.backoff.attempts;this.ot=!1,this.backoff.reset(),this.emitReserved("reconnect",t)},n}(I),Pt={};function $t(t,n){"object"===c(t)&&(n=t,t=void 0);var i,r=function(t){var n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:"",i=arguments.length>2?arguments[2]:void 0,r=t;i=i||"undefined"!=typeof location&&location,null==t&&(t=i.protocol+"//"+i.host),"string"==typeof t&&("/"===t.charAt(0)&&(t="/"===t.charAt(1)?i.protocol+t:i.host+t),/^(https?|wss?):\/\//.test(t)||(t=void 0!==i?i.protocol+"//"+t:"https://"+t),r=ft(t)),r.port||(/^(http|ws)$/.test(r.protocol)?r.port="80":/^(http|ws)s$/.test(r.protocol)&&(r.port="443")),r.path=r.path||"/";var e=-1!==r.host.indexOf(":")?"["+r.host+"]":r.host;return r.id=r.protocol+"://"+e+":"+r.port+n,r.href=r.protocol+"://"+e+(i&&i.port===r.port?"":":"+r.port),r}(t,(n=n||{}).path||"/socket.io"),e=r.source,o=r.id,s=r.path,u=Pt[o]&&s in Pt[o].nsps;return n.forceNew||n["force new connection"]||!1===n.multiplex||u?i=new Dt(e,n):(Pt[o]||(Pt[o]=new Dt(e,n)),i=Pt[o]),r.query&&!n.query&&(n.query=r.queryKey),i.socket(r.path,n)}return e($t,{Manager:Dt,Socket:Lt,io:$t,connect:$t}),$t}));
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