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r.Decoder,this.autoConnect=!1!==e.autoConnect,this.autoConnect&&this.open()}t.exports=l,l.prototype.emitAll=function(){for(var t in this.emit.apply(this,arguments),this.nsps)p.call(this.nsps,t)&&this.nsps[t].emit.apply(this.nsps[t],arguments)},l.prototype.updateSocketIds=function(){for(var t in this.nsps)p.call(this.nsps,t)&&(this.nsps[t].id=this.generateId(t))},l.prototype.generateId=function(t){return("/"===t?"":t+"#")+this.engine.id},i(l.prototype),l.prototype.reconnection=function(t){return arguments.length?(this._reconnection=!!t,this):this._reconnection},l.prototype.reconnectionAttempts=function(t){return arguments.length?(this._reconnectionAttempts=t,this):this._reconnectionAttempts},l.prototype.reconnectionDelay=function(t){return arguments.length?(this._reconnectionDelay=t,this.backoff&&this.backoff.setMin(t),this):this._reconnectionDelay},l.prototype.randomizationFactor=function(t){return arguments.length?(this._randomizationFactor=t,this.backoff&&this.backoff.setJitter(t),this):this._randomizationFactor},l.prototype.reconnectionDelayMax=function(t){return arguments.length?(this._reconnectionDelayMax=t,this.backoff&&this.backoff.setMax(t),this):this._reconnectionDelayMax},l.prototype.timeout=function(t){return arguments.length?(this._timeout=t,this):this._timeout},l.prototype.maybeReconnectOnOpen=function(){!this.reconnecting&&this._reconnection&&0===this.backoff.attempts&&this.reconnect()},l.prototype.open=l.prototype.connect=function(t,e){if(u("readyState %s",this.readyState),~this.readyState.indexOf("open"))return this;u("opening %s",this.uri),this.engine=n(this.uri,this.opts);var r=this.engine,o=this;this.readyState="opening",this.skipReconnect=!1;var i=a(r,"open",function(){o.onopen(),t&&t()}
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1),s=a(r,"error",function(e){if(u("connect_error"),o.cleanup(),o.readyState="closed",o.emitAll("connect_error",e),t){var r=Error("Connection error");r.data=e,t(r)}else o.maybeReconnectOnOpen()});if(!1!==this._timeout){var c=this._timeout;u("connect attempt will timeout after %d",c),0===c&&i.destroy();var f=setTimeout(function(){u("connect attempt timed out after %d",c),i.destroy(),r.close(),r.emit("error","timeout"),o.emitAll("connect_timeout",c)},c);this.subs.push({destroy:function(){clearTimeout(f)}})}return this.subs.push(i),this.subs.push(s),this},l.prototype.onopen=function(){u("open"),this.cleanup(),this.readyState="open",this.emit("open");var t=this.engine;this.subs.push(a(t,"data",c(this,"ondata"))),this.subs.push(a(t,"ping",c(this,"onping"))),this.subs.push(a(t,"pong",c(this,"onpong"))),this.subs.push(a(t,"error",c(this,"onerror"))),this.subs.push(a(t,"close",c(this,"onclose"))),this.subs.push(a(this.decoder,"decoded",c(this,"ondecoded")))},l.prototype.onping=function(){this.lastPing=new Date,this.emitAll("ping")},l.prototype.onpong=function(){this.emitAll("pong",new Date-this.lastPing)},l.prototype.ondata=function(t){this.decoder.add(t)},l.prototype.ondecoded=function(t){this.emit("packet",t)},l.prototype.onerror=function(t){u("error",t),this.emitAll("error",t)},l.prototype.socket=function(t,e){var r=this.nsps[t];if(!r){r=new o(this,t,e),this.nsps[t]=r;var n=this;r.on("connecting",i),r.on("connect",function(){r.id=n.generateId(t)}),this.autoConnect&&i()}function i(){~f(n.connecting,r)||n.connecting.push(r)}return r},l.prototype.destroy=function(t){var e=f(this.connecting,t);~e&&this.connecting.splice(e,1),this.connecting.length||this.close()},l.prototype.packet=function(t){u("writing packet %j",t);var e=this;t.query&&0===t.type&&(t.nsp+="?"+t.query),e.encoding?e.packetBuffer.push(t):(e.encoding=!0,this.encoder.encode(t,function(r){for(var n=0;n<r.length;n++)e.engine.write(r[n],t.options);e.encoding=!1,e.processPacketQueue()}))},l.prototype.processPacketQueue=function(){if(this.packetBuffer.length>0&&!this.encoding){var t=this.packetBuffer.shift();this.packet(t)}},l.prototype.cleanup=function(){u("cleanup");for(var t=this.subs.length,e=0;e<t;e++)this.subs.shift().destroy();this.packetBuffer=[],this.encoding=!1,this.lastPing=null,this.decoder.destroy()},l.prototype.close=l.prototype.disconnect=function(){u("disconnect"),this.skipReconnect=!0,this.reconnecting=!1,"opening"===this.readyState&&this.cleanup(),this.backoff.reset(),this.readyState="closed",this.engine&&this.engine.close()},l.prototype.onclose=function(t){u("onclose"),this.cleanup(),this.backoff.reset(),this.readyState="closed",this.emit("close",t),this._reconnection&&!this.skipReconnect&&this.reconnect()},l.prototype.reconnect=function(){if(this.reconnecting||this.skipReconnect)return this;var t=this;if(this.backoff.attempts>=this._reconnectionAttempts)u("reconnect failed"),this.backoff.reset(),this.emitAll("reconnect_failed"),this.reconnecting=!1;else{var e=this.backoff.duration();u("will wait %dms before reconnect attempt",e),this.reconnecting=!0;var r=setTimeout(function(){!t.skipReconnect&&(u("attempting reconnect"),t.emitAll("reconnect_attempt",t.backoff.attempts),t.emitAll("reconnecting",t.backoff.attempts),t.skipReconnect||t.open(function(e){e?(u("reconnect attempt error"),t.reconnecting=!1,t.reconnect(),t.emitAll("reconnect_error",e.data)):(u("reconnect success"),t.onreconnect())}))},e);this.subs.push({destroy:function(){clearTimeout(r)}})}},l.prototype.onreconnect=function(){var t=this.backoff.attempts;this.reconnecting=!1,this.backoff.reset(),this.updateSocketIds(),this.emitAll("reconnect",t)}},84993:(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,c=e.length,u=0;"="===e[e.length-1]&&(a--,"="===e[e.length-2]&&a--);var f=new ArrayBuffer(a),h=new Uint8Array(f);for(r=0;r<c;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]),h[u++]=n<<2|o>>4,h[u++]=(15&o)<<4|i>>2,h[u++]=(3&i)<<6|63&s;return f}}("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789
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1]),e.once("packet",function(o){if(!r)if("pong"===o.type&&"probe"===o.data){if(i('probe transport "%s" pong',t),n.upgrading=!0,n.emit("upgrading",e),!e)return;f.priorWebsocketSuccess="websocket"===e.name,i('pausing current transport "%s"',n.transport.name),n.transport.pause(function(){r||"closed"!==n.readyState&&(i("changing transport and sending upgrade packet"),p(),n.setTransport(e),e.send([{type:"upgrade"}]),n.emit("upgrade",e),e=null,n.upgrading=!1,n.flush())})}else{i('probe transport "%s" failed',t);var s=Error("probe error");s.transport=e.name,n.emit("upgradeError",s)}}))}function s(){r||(r=!0,p(),e.close(),e=null)}function a(r){var o=Error("probe error: "+r);o.transport=e.name,s(),i('probe transport "%s" failed because of error: %s',t,r),n.emit("upgradeError",o)}function c(){a("transport closed")}function u(){a("socket closed")}function h(t){e&&t.name!==e.name&&(i('"%s" works - aborting "%s"',t.name,e.name),s())}function p(){e.removeListener("open",o),e.removeListener("error",a),e.removeListener("close",c),n.removeListener("close",u),n.removeListener("upgrading",h)}f.priorWebsocketSuccess=!1,e.once("open",o),e.once("error",a),e.once("close",c),this.once("close",u),this.once("upgrading",h),e.open()},f.prototype.onOpen=function(){if(i("socket open"),this.readyState="open",f.priorWebsocketSuccess="websocket"===this.transport.name,this.emit("open"),this.flush(),"open"===this.readyState&&this.upgrade&&this.transport.pause){i("starting upgrade probes");for(var t=0,e=this.upgrades.length;t<e;t++)this.probe(this.upgrades[t])}},f.prototype.onPacket=function(t){if("opening"===this.readyState||"open"===this.readyState||"closing"===this.readyState)switch(i('socket receive: type "%s", data "%s"',t.type,t.data),this.emit("packet",t),this.emit("heartbeat"),t.type){case"open":this.onHandshake(JSON.parse(t.data));break;case"pong":this.setPing(),this.emit("pong");break;case"error":var e=Error("server error");e.code=t.data,this.onError(e);break;
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1},97277:t=>{t.exports=function(t,e,r){return t.on(e,r),{destroy:function(){t.removeListener(e,r)}}}}}]);
Line numbers count LF bytes from the start of the resource, as the search results do. Vendor segments are library code the classifier recognised; they are stored but not indexed. Bytes are shown as Latin1 characters, one per byte.