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this.auth=="function"?this.auth(e=>{this._sendConnectPacket(e)}):this._sendConnectPacket(this.auth)}_sendConnectPacket(e){this.packet({type:c.CONNECT,data:this._pid?Object.assign({pid:this._pid,offset:this._lastOffset},e):e})}onerror(e){this.connected||this.emitReserved("connect_error",e)}onclose(e,t){this.connected=!1,delete this.id,this.emitReserved("disconnect",e,t),this._clearAcks()}_clearAcks(){Object.keys(this.acks).forEach(e=>{if(!this.sendBuffer.some(n=>String(n.id)===e)){const n=this.acks[e];delete this.acks[e],n.withError&&n.call(this,new Error("socket has been disconnected"))}})}onpacket(e){if(e.nsp===this.nsp)switch(e.type){case c.CONNECT:e.data&&e.data.sid?this.onconnect(e.data.sid,e.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 c.EVENT:case c.BINARY_EVENT:this.onevent(e);break;case c.ACK:case c.BINARY_ACK:this.onack(e);break;case c.DISCONNECT:this.ondisconnect();break;case c.CONNECT_ERROR:this.destroy();const n=new Error(e.data.message);n.data=e.data.data,this.emitReserved("connect_error",n);break}}onevent(e){const t=e.data||[];e.id!=null&&t.push(this.ack(e.id)),this.connected?this.emitEvent(t):this.receiveBuffer.push(Object.freeze(t))}emitEvent(e){if(this._anyListeners&&this._anyListeners.length){const t=this._anyListeners.slice();for(const n of t)n.apply(this,e)}super.emit.apply(this,e),this._pid&&e.length&&typeof e[e.length-1]=="string"&&(this._lastOffset=e[e.length-1])}ack(e){const t=this;let n=!1;return function(...i){n||(n=!0,t.packet({type:c.ACK,id:e,data:i}))}}onack(e){const t=this.acks[e.id];typeof t=="function"&&(delete this.acks[e.id],t.withError&&e.data.unshift(null),t.apply(this,e.data))}onconnect(e,t){this.id=e,this.recovered=t&&this._pid===t,this._pid=t,this.connected=!0,this.emitBuffered(),this.emitReserved("connect"),this._drainQueue(!0)}emitBuffered(){this.receiveBuffer.forEach(e=>this.emitEvent(e)),this.receiveBuffer=[],this.sendBuffer.forEach(e=>{this.notifyOutgoingListeners(e),this.packet(e)}),this.sendBuffer=[]}ondisconnect(){this.destroy(),this.onclose("io server disconnect")}destroy(){this.subs&&(this.subs.forEach(e=>e()),this.subs=void 0),this.io._destroy(this)}disconnect(){return this.connected&&this.packet({type:c.DISCONNECT}),this.destroy(),this.connected&&this.onclose("io client disconnect"),this}close(){return this.disconnect()}compress(e){return this.flags.compress=e,this}get volatile(){return this.flags.volatile=!0,this}timeout(e){return this.flags.timeout=e,this}onAny(e){return this._anyListeners=this._anyListeners||[],this._anyListeners.push(e),this}prependAny(e){return this._anyListeners=this._anyListeners||[],this._anyListeners.unshift(e),this}offAny(e){if(!this._anyListeners)return this;if(e){const t=this._anyListeners;for(let n=0;n0&&s.jitter<=1?s.jitter:0,this.attempts=0}w.prototype.duration=function(){var s=this.ms*Math.pow(this.factor,this.attempts++);if(this.jitter){var e=Math.random(),t=Math.floor(e*this.jitter*s);s=Math.floor(e*10)&1?s+t:s-t}return Math.min(s,this.max)|0};w.prototype.reset=function(){this.attempts=0};w.prototype.setMin=function(s){this.ms=s};w.prototype.setMax=function(s){this.max=s};w.prototype.setJitter=function(s){this.jitter=s};class I extends f{constructor(e,t){var n;super(),this.nsps={},this.subs=[],e&&typeof e=="object"&&(t=e,e=void 0),t=t||{},t.path=t.path||"/socket.io",this.opts=t,B(this,t),this.reconnection(t.reconnection!==!1),this.reconnectionAttempts(t.reconnectionAttempts||1/0),this.reconnectionDelay(t.reconnectionDelay||1e3),this.reconnectionDelayMax(t.reconnectionDelayMax||5e3),this.randomizationFactor((n=t.randomizationFactor)!==null&&n!==void 0?n:.5),this.backoff=new w({min:this.reconnectionDelay(),max:this.reconnectionDelayMax(),jitter:this.randomizationFactor()}),this.timeout(t.timeout==null?2e4:t.timeout),this._readyState="closed",this.uri=e;const i=t.parser||st;this.encoder=new i.Encoder,this.decoder=new i.Decoder,this._autoConnect=t.autoConnect!==!1,this._autoConnect&&this.open()}reconnection(e){return arguments.length?(this._reconnection=!!e,this):this._reconnection}reconnectionAttempts(e){return e===void 0?this._reconnectionAttempts:(this._reconnectionAttempts=e,this)}reconnectionDelay(e){var t;return e===void 0?this._reconnectionDelay:(this._reconnectionDelay=e,(t=this.backoff)===null||t===void 0||t.setMin(e),this)}randomizationFactor(e){var t;return e===void 0?this._randomizationFactor:(this._randomizationFactor=e,(t=this.backoff)===null||t===void 0||t.setJitter(e),this)}reconnectionDelayMax(e){var t;return e===void 0?this._reconnectionDelayMax:(this._reconnectionDelayMax=e,(t=this.backoff)===null||t===void 0||t.setMax(e),this)}timeout(e){return arguments.length?(this._timeout=e,this):this._timeout}maybeReconnectOnOpen(){!this._reconnecting&&this._reconnection&&this.backoff.attempts===0&&this.reconnect()}open(e){if(~this._readyState.indexOf("open"))return this;this.engine=new le(this.uri,this.opts);const t=this.engine,n=this;this._readyState="opening",this.skipReconnect=!1;const i=l(t,"open",function(){n.onopen(),e&&e()}),r=a=>{this.cleanup(),this._readyState="closed",this.emitReserved("error",a),e?e(a):this.maybeReconnectOnOpen()},o=l(t,"error",r);if(this._timeout!==!1){const a=this._timeout,h=this.setTimeoutFn(()=>{i(),r(new Error("timeout")),t.close()},a);this.opts.autoUnref&&h.unref(),this.subs.push(()=>{this.clearTimeoutFn(h)})}return this.subs.push(i),this.subs.push(o),this}connect(e){return this.open(e)}onopen(){this.cleanup(),this._readyState="open",this.emitReserved("open");const e=this.engine;this.subs.push(l(e,"ping",this.onping.bind(this)),l(e,"data",this.ondata.bind(this)),l(e,"error",this.onerror.bind(this)),l(e,"close",this.onclose.bind(this)),l(this.decoder,"decoded",this.ondecoded.bind(this)))}onping(){this.emitReserved("ping")}ondata(e){try{this.decoder.add(e)}catch(t){this.onclose("parse error",t)}}ondecoded(e){H(()=>{this.emitReserved("packet",e)},this.setTimeoutFn)}onerror(e){this.emitReserved("error",e)}socket(e,t){let n=this.nsps[e];return n?this._autoConnect&&!n.active&&n.connect():(n=new de(this,e,t),this.nsps[e]=n),n}_destroy(e){const t=Object.keys(this.nsps);for(const n of t)if(this.nsps[n].active)return;this._close()}_packet(e){const t=this.encoder.encode(e);for(let n=0;ne()),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(e,t){this.cleanup(),this.backoff.reset(),this._readyState="closed",this.emitReserved("close",e,t),this._reconnection&&!this.skipReconnect&&this.reconnect()}reconnect(){if(this._reconnecting||this.skipReconnect)return this;const e=this;if(this.backoff.attempts>=this._reconnectionAttempts)this.backoff.reset(),this.emitReserved("reconnect_failed"),this._reconnecting=!1;else{const t=this.backoff.duration();this._reconnecting=!0;const n=this.setTimeoutFn(()=>{e.skipReconnect||(this.emitReserved("reconnect_attempt",e.backoff.attempts),!e.skipReconnect&&e.open(i=>{i?(e._reconnecting=!1,e.reconnect(),this.emitReserved("reconnect_error",i)):e.onreconnect()}))},t);this.opts.autoUnref&&n.unref(),this.subs.push(()=>{this.clearTimeoutFn(n)})}}onreconnect(){const e=this.backoff.attempts;this._reconnecting=!1,this.backoff.reset(),this.emitReserved("reconnect",e)}}const _={};function N(s,e){typeof s=="object"&&(e=s,s=void 0),e=e||{};const t=$e(s,e.path||"/socket.io"),n=t.source,i=t.id,r=t.path,o=_[i]&&r in _[i].nsps,a=e.forceNew||e["force new connection"]||e.multiplex===!1||o;let h;return a?h=new I(n,e):(_[i]||(_[i]=new I(n,e)),h=_[i]),t.query&&!e.query&&(e.query=t.queryKey),h.socket(t.path,e)}Object.assign(N,{Manager:I,Socket:de,io:N,connect:N});export{I as Manager,de as Socket,N as connect,N as default,N as io,Ze as protocol};