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r&&(n=r,r=null),"closing"===this.readyState||"closed"===this.readyState)return;(r=r||{}).compress=!1!==r.compress;const i={type:t,data:e,options:r};this.emitReserved("packetCreate",i),this.writeBuffer.push(i),n&&this.once("flush",n),this.flush()}close(){const t=()=>{this.onClose("forced close"),this.transport.close()},e=()=>{this.off("upgrade",e),this.off("upgradeError",e),t()},r=()=>{this.once("upgrade",e),this.once("upgradeError",e)};return"opening"!==this.readyState&&"open"!==this.readyState||(this.readyState="closing",this.writeBuffer.length?this.once("drain",()=>{this.upgrading?r():t()}):this.upgrading?r():t()),this}onError(t){C.priorWebsocketSuccess=!1,this.emitReserved("error",t),this.onClose("transport error",t)}onClose(t,e){"opening"!==this.readyState&&"open"!==this.readyState&&"closing"!==this.readyState||(this.clearTimeoutFn(this.pingTimeoutTimer),this.transport.removeAllListeners("close"),this.transport.close(),this.transport.removeAllListeners(),"function"==typeof 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t={_placeholder:!0,num:r.length};return r.push(e),t}if(Array.isArray(e)){const n=new Array(e.length);for(let i=0;i<e.length;i++)n[i]=t(e[i],r);return n}if("object"==typeof e&&!(e instanceof Date)){const n={};for(const i in e)Object.prototype.hasOwnProperty.call(e,i)&&(n[i]=t(e[i],r));return n}return e}(r,e),n.attachments=e.length,{packet:n,buffers:e}}function M(t,e){return t.data=function t(e,r){if(!e)return e;if(e&&!0===e._placeholder){if("number"==typeof e.num&&e.num>=0&&e.num<r.length)return r[e.num];throw new Error("illegal attachments")}if(Array.isArray(e))for(let n=0;n<e.length;n++)e[n]=t(e[n],r);else if("object"==typeof e)for(const n in e)Object.prototype.hasOwnProperty.call(e,n)&&(e[n]=t(e[n],r));return e}(t.data,e),delete t.attachments,t}const Y=5;var q;!function(t){t[t.CONNECT=0]="CONNECT",t[t.DISCONNECT=1]="DISCONNECT",t[t.EVENT=2]="EVENT",t[t.ACK=3]="ACK",t[t.CONNECT_ERROR=4]="CONNECT_ERROR",t[t.BINARY_EVENT=5]="BINARY_EVENT",t[t.BINARY_ACK=6]="BINARY_ACK"}(q||(q={}));class F{constructor(t){this.replacer=t}encode(t){return t.type!==q.EVENT&&t.type!==q.ACK||!function t(e,r){if(!e||"object"!=typeof e)return!1;if(Array.isArray(e)){for(let r=0,n=e.length;r<n;r++)if(t(e[r]))return!0;return!1}if(U(e))return!0;if(e.toJSON&&"function"==typeof e.toJSON&&1===arguments.length)return t(e.toJSON(),!0);for(const r in e)if(Object.prototype.hasOwnProperty.call(e,r)&&t(e[r]))return!0;return!1}(t)?[this.encodeAsString(t)]:this.encodeAsBinary({type:t.type===q.EVENT?q.BINARY_EVENT:q.BINARY_ACK,nsp:t.nsp,data:t.data,id:t.id})}encodeAsString(t){let e=""+t.type;return t.type!==q.BINARY_EVENT&&t.type!==q.BINARY_ACK||(e+=t.attachments+"-"),t.nsp&&"/"!==t.nsp&&(e+=t.nsp+","),null!=t.id&&(e+=t.id),null!=t.data&&(e+=JSON.stringify(t.data,this.replacer)),e}encodeAsBinary(t){const e=D(t),r=this.encodeAsString(e.packet),n=e.buffers;return n.unshift(r),n}}class V extends w.a{constructor(t){super(),this.reviver=t}add(t){let e;if("string"==typeof t){if(this.reconstructor)throw new Error("got plaintext data when reconstructing a packet");e=this.decodeString(t);const r=e.type===q.BINARY_EVENT;r||e.type===q.BINARY_ACK?(e.type=r?q.EVENT:q.ACK,this.reconstructor=new $(e),0===e.attachments&&super.emitReserved("decoded",e)):super.emitReserved("decoded",e)}else{if(!U(t)&&!t.base64)throw new Error("Unknown type: "+t);if(!this.reconstructor)throw new Error("got binary data when not reconstructing a packet");e=this.reconstructor.takeBinaryData(t),e&&(this.reconstructor=null,super.emitReserved("decoded",e))}}decodeString(t){let e=0;const r={type:Number(t.charAt(0))};if(void 0===q[r.type])throw new Error("unknown packet type "+r.type);if(r.type===q.BINARY_EVENT||r.type===q.BINARY_ACK){const n=e+1;for(;"-"!==t.charAt(++e)&&e!=t.length;);const i=t.substring(n,e);if(i!=Number(i)||"-"!==t.charAt(e))throw new Error("Illegal attachments");r.attachments=Number(i)}if("/"===t.charAt(e+1)){const n=e+1;for(;++e;){if(","===t.charAt(e))break;if(e===t.length)break}r.nsp=t.substring(n,e)}else r.nsp="/";const n=t.charAt(e+1);if(""!==n&&Number(n)==n){const n=e+1;for(;++e;){const r=t.charAt(e);if(null==r||Number(r)!=r){--e;break}if(e===t.length)break}r.id=Number(t.substring(n,e+1))}if(t.charAt(++e)){const n=this.tryParse(t.substr(e));if(!V.isPayloadValid(r.type,n))throw new Error("invalid payload");r.data=n}return r}tryParse(t){try{return JSON.parse(t,this.reviver)}catch(t){return!1}}static isPayloadValid(t,e){switch(t){case q.CONNECT:return"object"==typeof e;case q.DISCONNECT:return void 0===e;case q.CONNECT_ERROR:return"string"==typeof e||"object"==typeof e;case q.EVENT:case q.BINARY_EVENT:return Array.isArray(e)&&e.length>0;case q.ACK:case q.BINARY_ACK:return Array.isArray(e)}}destroy(){this.reconstructor&&(this.reconstructor.finishedReconstruction(),this.reconstructor=null)}}class ${constructor(t){this.packet=t,this.buffers=[],this.reconPack=t}takeBinaryData(t){if(this.buffers.push(t),this.buffers.length===this.reconPack.attachments){const t=M(this.reconPack,this.buffers);return this.finishedReconstruction(),t}return null}finishedReconstruction(){this.reconPack=null,this.buffers=[]}}function z(t,e,r){return t.on(e,r),function(){t.off(e,r)}}const H=Object.freeze({connect:1,connect_error:1,disconnect:1,disconnecting:1,newListener:1,removeListener:1});class K extends w.a{constructor(t,e,r){super(),this.connected=!1,this.recovered=!1,this.receiveBuffer=[],this.sendBuffer=[],this._queue=[],this.ids=0,this.acks={},this.flags={},this.io=t,this.nsp=e,r&&r.auth&&(this.auth=r.auth),this._opts=Object.assign({},r),this.io._autoConnect&&this.open()}get disconnected(){return!this.connected}subEvents(){if(this.subs)return;const t=this.io;this.subs=[z(t,"open",this.onopen.bind(this)),z(t,"packet",this.onpacket.bind(this)),z(t,"error",this.onerror.bind(this)),z(t,"close",this.onclose.bind(this))]}get active(){return!!this.subs}connect(){return this.connected||(this.subEvents(),this.io._reconnecting||this.io.open(),"open"===this.io._readyState&&this.onopen()),this}open(){return this.connect()}send(...t){return t.unshift("message"),this.emit.apply(this,t),this}emit(t,...e){if(H.hasOwnProperty(t))throw new Error('"'+t.toString()+'" is a reserved event name');if(e.unshift(t),this._opts.retries&&!this.flags.fromQueue&&!this.flags.volatile)return this._addToQueue(e),this;const r={type:q.EVENT,data:e,options:{}};if(r.options.compress=!1!==this.flags.compress,"function"==typeof e[e.length-1]){const t=this.ids++,n=e.pop();this._registerAckCallback(t,n),r.id=t}const n=this.io.engine&&this.io.engine.transport&&this.io.engine.transport.writable;return this.flags.volatile&&(!n||!this.connected)||(this.connected?(this.notifyOutgoingListeners(r),this.packet(r)):this.sendBuffer.push(r)),this.flags={},this}_registerAckCallback(t,e){var r;const n=null!==(r=this.flags.timeout)&&void 0!==r?r:this._opts.ackTimeout;if(void 0===n)return void(this.acks[t]=e);const i=this.io.setTimeoutFn(()=>{delete this.acks[t];for(let e=0;e<this.sendBuffer.length;e++)this.sendBuffer[e].id===t&&this.sendBuffer.splice(e,1);e.call(this,new Error("operation has timed out"))},n);this.acks[t]=(...t)=>{this.io.clearTimeoutFn(i),e.apply(this,[null,...t])}}emitWithAck(t,...e){const r=void 0!==this.flags.timeout||void 0!==this._opts.ackTimeout;return new Promise((n,i)=>{e.push((t,e)=>r?t?i(t):n(e):n(t)),this.emit(t,...e)})}_addToQueue(t){let e;"function"==typeof t[t.length-1]&&(e=t.pop());const r={id:this.ids++,tryCount:0,pending:!1,args:t,flags:Object.assign({fromQueue:!0},this.flags)};t.push((t,...n)=>{if(r!==this._queue[0])return;return null!==t?r.tryCount>this._opts.retries&&(this._queue.shift(),e&&e(t)):(this._queue.shift(),e&&e(null,...n)),r.pending=!1,this._drainQueue()}),this._queue.push(r),this._drainQueue()}_drainQueue(){if(0===this._queue.length)return;const t=this._queue[0];if(t.pending)return;t.pending=!0,t.tryCount++;const e=this.ids;this.ids=t.id,this.flags=t.flags,this.emit.apply(this,t.args),this.ids=e}packet(t){t.nsp=this.nsp,this.io._packet(t)}onopen(){"function"==typeof this.auth?this.auth(t=>{this._sendConnectPacket(t)}):this._sendConnectPacket(this.auth)}_sendConnectPacket(t){this.packet({type:q.CONNECT,data:this._pid?Object.assign({pid:this._pid,offset:this._lastOffset},t):t})}onerror(t){this.connected||this.emitReserved("connect_error",t)}onclose(t,e){this.connected=!1,delete this.id,this.emitReserved("disconnect",t,e)}onpacket(t){if(t.nsp===this.nsp)switch(t.type){case q.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 q.EVENT:case q.BINARY_EVENT:this.onevent(t);break;case q.ACK:case q.BINARY_ACK:this.onack(t);break;case q.DISCONNECT:this.ondisconnect();break;case q.CONNECT_ERROR:this.destroy();const e=new Error(t.data.message);e.data=t.data.data,this.emitReserved("connect_error",e)}}onevent(t){const e=t.data||[];null!=t.id&&e.push(this.ack(t.id)),this.connected?this.emitEvent(e):this.receiveBuffer.push(Object.freeze(e))}emitEvent(t){if(this._anyListeners&&this._anyListeners.length){const e=this._anyListeners.slice();for(const r of e)r.apply(this,t)}super.emit.apply(this,t),this._pid&&t.length&&"string"==typeof t[t.length-1]&&(this._lastOffset=t[t.length-1])}ack(t){const e=this;let r=!1;return function(...n){r||(r=!0,e.packet({type:q.ACK,id:t,data:n}))}}onack(t){const e=this.acks[t.id];"function"==typeof e&&(e.apply(this,t.data),delete this.acks[t.id])}onconnect(t,e){this.id=t,this.recovered=e&&this._pid===e,this._pid=e,this.connected=!0,this.emitBuffered(),this.emitReserved("connect")}emitBuffered(){this.receiveBuffer.forEach(t=>this.emitEvent(t)),this.receiveBuffer=[],this.sendBuffer.forEach(t=>{this.notifyOutgoingListeners(t),this.packet(t)}),this.sendBuffer=[]}ondisconnect(){this.destroy(),this.onclose("io server disconnect")}destroy(){this.subs&&(this.subs.forEach(t=>t()),this.subs=void 0),this.io._destroy(this)}disconnect(){return this.connected&&this.packet({type:q.DISCONNECT}),this.destroy(),this.connected&&this.onclose("io client disconnect"),this}close(){return this.disconnect()}compress(t){return this.flags.compress=t,this}get volatile(){return this.flags.volatile=!0,this}timeout(t){return this.flags.timeout=t,this}onAny(t){return this._anyListeners=this._anyListeners||[],this._anyListeners.push(t),this}prependAny(t){return this._anyListeners=this._anyListeners||[],this._anyListeners.unshift(t),this}offAny(t){if(!this._anyListeners)return this;if(t){const e=this._anyListeners;for(let r=0;r<e.length;r++)if(t===e[r])return e.splice(r,1),this}else this._anyListeners=[];return this}listenersAny(){return this._anyListeners||[]}onAnyOutgoing(t){return this._anyOutgoingListeners=this._anyOutgoingListeners||[],this._anyOutgoingListeners.push(t),this}prependAnyOutgoing(t){return this._anyOutgoingListeners=this._anyOutgoingListeners||[],this._anyOutgoingListeners.unshift(t),this}offAnyOutgoing(t){if(!this._anyOutgoingListeners)return this;if(t){const e=this._anyOutgoingListeners;for(let r=0;r<e.length;r++)if(t===e[r])return e.splice(r,1),this}else this._anyOutgoingListeners=[];return this}listenersAnyOutgoing(){return this._anyOutgoingListeners||[]}notifyOutgoingListeners(t){if(this._anyOutgoingListeners&&this._anyOutgoingListeners.length){const e=this._anyOutgoingListeners.slice();for(const r of e)r.apply(this,t.data)}}}function W(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}W.prototype.duration=function(){var t=this.ms*Math.pow(this.factor,this.attempts++);if(this.jitter){var e=Math.random(),r=Math.floor(e*this.jitter*t);t=0==(1&Math.floor(10*e))?t-r:t+r}return 0|Math.min(t,this.max)},W.prototype.reset=function(){this.attempts=0},W.prototype.setMin=function(t){this.ms=t},W.prototype.setMax=function(t){this.max=t},W.prototype.setJitter=function(t){this.jitter=t};class J extends w.a{constructor(t,e){var r;super(),this.nsps={},this.subs=[],t&&"object"==typeof t&&(e=t,t=void 0),(e=e||{}).path=e.path||"/socket.io",this.opts=e,Object(_.b)(this,e),this.reconnection(!1!==e.reconnection),this.reconnectionAttempts(e.reconnectionAttempts||1/0),this.reconnectionDelay(e.reconnectionDelay||1e3),this.reconnectionDelayMax(e.reconnectionDelayMax||5e3),this.randomizationFactor(null!==(r=e.randomizationFactor)&&void 0!==r?r:.5),this.backoff=new W({min:this.reconnectionDelay(),max:this.reconnectionDelayMax(),jitter:this.randomizationFactor()}),this.timeout(null==e.timeout?2e4:e.timeout),this._readyState="closed",this.uri=t;const i=e.parser||n;this.encoder=new i.Encoder,this.decoder=new i.Decoder,this._autoConnect=!1!==e.autoConnect,this._autoConnect&&this.open()}reconnection(t){return arguments.length?(this._reconnection=!!t,this):this._reconnection}reconnectionAttempts(t){return void 0===t?this._reconnectionAttempts:(this._reconnectionAttempts=t,this)}reconnectionDelay(t){var e;return void 0===t?this._reconnectionDelay:(this._reconnectionDelay=t,null===(e=this.backoff)||void 0===e||e.setMin(t),this)}randomizationFactor(t){var e;return void 0===t?this._randomizationFactor:(this._randomizationFactor=t,null===(e=this.backoff)||void 0===e||e.setJitter(t),this)}reconnectionDelayMax(t){var e;return void 0===t?this._reconnectionDelayMax:(this._reconnectionDelayMax=t,null===(e=this.backoff)||void 0===e||e.setMax(t),this)}timeout(t){return arguments.length?(this._timeout=t,this):this._timeout}maybeReconnectOnOpen(){!this._reconnecting&&this._reconnection&&0===this.backoff.attempts&&this.reconnect()}open(t){if(~this._readyState.indexOf("open"))return this;this.engine=new C(this.uri,this.opts);const e=this.engine,r=this;this._readyState="opening",this.skipReconnect=!1;const n=z(e,"open",(function(){r.onopen(),t&&t()})),i=z(e,"error",e=>{r.cleanup(),r._readyState="closed",this.emitReserved("error",e),t?t(e):r.maybeReconnectOnOpen()});if(!1!==this._timeout){const t=this._timeout;0===t&&n();const r=this.setTimeoutFn(()=>{n(),e.close(),e.emit("error",new Error("timeout"))},t);this.opts.autoUnref&&r.unref(),this.subs.push((function(){clearTimeout(r)}))}return this.subs.push(n),this.subs.push(i),this}connect(t){return this.open(t)}onopen(){this.cleanup(),this._readyState="open",this.emitReserved("open");const t=this.engine;this.subs.push(z(t,"ping",this.onping.bind(this)),z(t,"data",this.ondata.bind(this)),z(t,"error",this.onerror.bind(this)),z(t,"close",this.onclose.bind(this)),z(this.decoder,"decoded",this.ondecoded.bind(this)))}onping(){this.emitReserved("ping")}ondata(t){try{this.decoder.add(t)}catch(t){this.onclose("parse error",t)}}ondecoded(t){Object(x.c)(()=>{this.emitReserved("packet",t)},this.setTimeoutFn)}onerror(t){this.emitReserved("error",t)}socket(t,e){let r=this.nsps[t];return r||(r=new K(this,t,e),this.nsps[t]=r),this._autoConnect&&r.connect(),r}_destroy(t){const e=Object.keys(this.nsps);for(const t of e){if(this.nsps[t].active)return}this._close()}_packet(t){const e=this.encoder.encode(t);for(let r=0;r<e.length;r++)this.engine.write(e[r],t.options)}cleanup(){this.subs.forEach(t=>t()),this.subs.length=0,this.decoder.destroy()}_close(){this.skipReconnect=!0,this._reconnecting=!1,this.onclose("forced close"),this.engine&&this.engine.close()}disconnect(){return this._close()}onclose(t,e){this.cleanup(),this.backoff.reset(),this._readyState="closed",this.emitReserved("close",t,e),this._reconnection&&!this.skipReconnect&&this.reconnect()}reconnect(){if(this._reconnecting||this.skipReconnect)return this;const t=this;if(this.backoff.attempts>=this._reconnectionAttempts)this.backoff.reset(),this.emitReserved("reconnect_failed"),this._reconnecting=!1;else{const e=this.backoff.duration();this._reconnecting=!0;const r=this.setTimeoutFn(()=>{t.skipReconnect||(this.emitReserved("reconnect_attempt",t.backoff.attempts),t.skipReconnect||t.open(e=>{e?(t._reconnecting=!1,t.reconnect(),this.emitReserved("reconnect_error",e)):t.onreconnect()}))},e);this.opts.autoUnref&&r.unref(),this.subs.push((function(){clearTimeout(r)}))}}onreconnect(){const t=this.backoff.attempts;this._reconnecting=!1,this.backoff.reset(),this.emitReserved("reconnect",t)}}const X={};function Q(t,e){"object"==typeof t&&(e=t,t=void 0);const r=function(t,e="",r){let n=t;r=r||"undefined"!=typeof location&&location,null==t&&(t=r.protocol+"//"+r.host),"string"==typeof t&&("/"===t.charAt(0)&&(t="/"===t.charAt(1)?r.protocol+t:r.host+t),/^(https?|wss?):\/\//.test(t)||(t=void 0!==r?r.protocol+"//"+t:"https://"+t),n=B(t)),n.port||(/^(http|ws)$/.test(n.protocol)?n.port="80":/^(http|ws)s$/.test(n.protocol)&&(n.port="443")),n.path=n.path||"/";const i=-1!==n.host.indexOf(":")?"["+n.host+"]":n.host;return n.id=n.protocol+"://"+i+":"+n.port+e,n.href=n.protocol+"://"+i+(r&&r.port===n.port?"":":"+n.port),n}(t,(e=e||{}).path||"/socket.io"),n=r.source,i=r.id,s=r.path,o=X[i]&&s in X[i].nsps;let a;return e.forceNew||e["force new connection"]||!1===e.multiplex||o?a=new J(n,e):(X[i]||(X[i]=new J(n,e)),a=X[i]),r.query&&!e.query&&(e.query=r.queryKey),a.socket(r.path,e)}function G(t,e){for(var r=0;r<e.length;r++){var n=e[r];n.enumerable=n.enumerable||!1,n.configurable=!0,"value"in n&&(n.writable=!0),Object.defineProperty(t,(i=n.key,s=void 0,"symbol"==typeof(s=function(t,e){if("object"!=typeof t||null===t)return t;var r=t[Symbol.toPrimitive];if(void 0!==r){var n=r.call(t,e||"default");if("object"!=typeof n)return n;throw new TypeError("@@toPrimitive must return a primitive value.")}return("string"===e?String:Number)(t)}(i,"string"))?s:String(s)),n)}var i,s}Object.assign(Q,{Manager:J,Socket:K,io:Q,connect:Q});let Z=function(){function t({connection:e,vuex:r,debug:n,options:i}){!function(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}(this,t),o.debug=n,this.io=this.connect(e,i),this.emitter=new f(r),this.listener=new c(this.io,this.emitter)}var e,r,n;return e=t,(r=[{key:"install",value:function(t){Number(t.version.split(".")[0])>=3?(t.config.globalProperties.$socket=this.io,t.config.globalProperties.$vueSocketIo=this):(t.prototype.$socket=this.io,t.prototype.$vueSocketIo=this),t.mixin(i),o.info("Vue-Socket.io plugin enabled")}},{key:"connect",value:function(t,e){if(t&&"object"==typeof t)return o.info("Received socket.io-client instance"),t;if("string"==typeof t)return o.info("Received connection string"),this.io=Q(t,e);throw new Error("Unsupported connection type")}}])&&G(e.prototype,r),n&&G(e,n),Object.defineProperty(e,"prototype",{writable:!1}),t}()}]).default}));