@brainfish-ai/web-tracker/dist/tracker.cjs.js

Brainfish Tracker for Web

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e=this.opts.rememberUpgrade&&q.priorWebsocketSuccess&&-1!==this.transports.indexOf("websocket")?"websocket":this.transports[0];this.readyState="opening";const t=this.createTransport(e);t.open(),this.setTransport(t)}setTransport(e){this.transport&&this.transport.removeAllListeners(),this.transport=e,e.on("drain",this._onDrain.bind(this)).on("packet",this._onPacket.bind(this)).on("error",this._onError.bind(this)).on("close",e=>this._onClose("transport close",e))}onOpen(){this.readyState="open",q.priorWebsocketSuccess="websocket"===this.transport.name,this.emitReserved("open"),this.flush()}_onPacket(e){if("opening"===this.readyState||"open"===this.readyState||"closing"===this.readyState)switch(this.emitReserved("packet",e),this.emitReserved("heartbeat"),e.type){case"open":this.onHandshake(JSON.parse(e.data));break;case"ping":this._sendPacket("pong"),this.emitReserved("ping"),this.emitReserved("pong"),this._resetPingTimeout();break;case"error":const t=new Error("server error");t.code=e.data,this._onError(t);break;case"message":this.emitReserved("data",e.data),this.emitReserved("message",e.data)}}onHandshake(e){this.emitReserved("handshake",e),this.id=e.sid,this.transport.query.sid=e.sid,this._pingInterval=e.pingInterval,this._pingTimeout=e.pingTimeout,this._maxPayload=e.maxPayload,this.onOpen(),"closed"!==this.readyState&&this._resetPingTimeout()}_resetPingTimeout(){this.clearTimeoutFn(this._pingTimeoutTimer);const e=this._pingInterval+this._pingTimeout;this._pingTimeoutTime=Date.now()+e,this._pingTimeoutTimer=this.setTimeoutFn(()=>{this._onClose("ping timeout")},e),this.opts.autoUnref&&this._pingTimeoutTimer.unref()}_onDrain(){this.writeBuffer.splice(0,this._prevBufferLen),this._prevBufferLen=0,0===this.writeBuffer.length?this.emitReserved("drain"):this.flush()}flush(){if("closed"!==this.readyState&&this.transport.writable&&!this.upgrading&&this.writeBuffer.length){const e=this._getWritablePackets();this.transport.send(e),this._prevBufferLen=e.length,this.emitReserved("flush")}}_getWritablePackets(){if(!(this._maxPayload&&"polling"===this.transport.name&&this.writeBuffer.length>1))return this.writeBuffer;let e=1;for(let t=0;t<this.writeBuffer.length;t++){const s=this.writeBuffer[t].data;if(s&&(e+=M(s)),t>0&&e>this._maxPayload)return this.writeBuffer.slice(0,t);e+=2}return this.writeBuffer}_hasPingExpired(){if(!this._pingTimeoutTime)return!0;const e=Date.now()>this._pingTimeoutTime;return e&&(this._pingTimeoutTime=0,I(()=>{this._onClose("ping timeout")},this.setTimeoutFn)),e}write(e,t,s){return this._sendPacket("message",e,t,s),this}send(e,t,s){return this._sendPacket("message",e,t,s),this}_sendPacket(e,t,s,r){if("function"==typeof t&&(r=t,t=void 0),"function"==typeof s&&(r=s,s=null),"closing"===this.readyState||"closed"===this.readyState)return;(s=s||{}).compress=!1!==s.compress;const n={type:e,data:t,options:s};this.emitReserved("packetCreate",n),this.writeBuffer.push(n),r&&this.once("flush",r),this.flush()}close(){const e=()=>{this._onClose("forced close"),this.transport.close()},t=()=>{this.off("upgrade",t),this.off("upgradeError",t),e()},s=()=>{this.once("upgrade",t),this.once("upgradeError",t)};return"opening"!==this.readyState&&"open"!==this.readyState||(this.readyState="closing",this.writeBuffer.length?this.once("drain",()=>{this.upgrading?s():e()}):this.upgrading?s():e()),this}_onError(e){if(q.priorWebsocketSuccess=!1,this.opts.tryAllTransports&&this.transports.length>1&&"opening"===this.readyState)return this.transports.shift(),this._open();this.emitReserved("error",e),this._onClose("transport error",e)}_onClose(e,t){if("opening"===this.readyState||"open"===this.readyState||"closing"===this.readyState){if(this.clearTimeoutFn(this._pingTimeoutTimer),this.transport.removeAllListeners("close"),this.transport.close(),this.transport.removeAllListeners(),K&&(this._beforeunloadEventListener&&removeEventListener("beforeunload",this._beforeunloadEventListener,!1),this._offlineEventListener)){const e=$.indexOf(this._offlineEventListener);-1!==e&&$.splice(e,1)}this.readyState="closed",this.id=null,this.emitReserved("close",e,t),this.writeBuffer=[],this._prevBufferLen=0}}}q.protocol=4;class Q extends q{constructor(){super(...arguments),this._upgrades=[]}onOpen(){if(super.onOpen(),"open"===this.readyState&&this.opts.upgrade)for(let e=0;e<this._upgrades.length;e++)this._probe(this._upgrades[e])}_probe(e){let t=this.createTransport(e),s=!1;q.priorWebsocketSuccess=!1;const r=()=>{s||(t.send([{type:"ping",data:"probe"}]),t.once("packet",e=>{if(!s)if("pong"===e.type&&"probe"===e.data){if(this.upgrading=!0,this.emitReserved("upgrading",t),!t)return;q.priorWebsocketSuccess="websocket"===t.name,this.transport.pause(()=>{s||"closed"!==this.readyState&&(c(),this.setTransport(t),t.send([{type:"upgrade"}]),this.emitReserved("upgrade",t),t=null,this.upgrading=!1,this.flush())})}else{const e=new Error("probe error");e.transport=t.name,this.emitReserved("upgradeError",e)}}))};function n(){s||(s=!0,c(),t.close(),t=null)}const i=e=>{const s=new Error("probe error: "+e);s.transport=t.name,n(),this.emitReserved("upgradeError",s)};function o(){i("transport closed")}function a(){i("socket closed")}function l(e){t&&e.name!==t.name&&n()}const c=()=>{t.removeListener("open",r),t.removeListener("error",i),t.removeListener("close",o),this.off("close",a),this.off("upgrading",l)};t.once("open",r),t.once("error",i),t.once("close",o),this.once("close",a),this.once("upgrading",l),-1!==this._upgrades.indexOf("webtransport")&&"webtransport"!==e?this.setTimeoutFn(()=>{s||t.open()},200):t.open()}onHandshake(e){this._upgrades=this._filterUpgrades(e.upgrades),super.onHandshake(e)}_filterUpgrades(e){const t=[];for(let s=0;s<e.length;s++)~this.transports.indexOf(e[s])&&t.push(e[s]);return t}}let ee=class extends Q{constructor(e,t={}){const s="object"==typeof e?e:t;(!s.transports||s.transports&&"string"==typeof s.transports[0])&&(s.transports=(s.transports||["polling","websocket","webtransport"]).map(e=>Z[e]).filter(e=>!!e)),super(e,s)}};const te="function"==typeof ArrayBuffer,se=Object.prototype.toString,re="function"==typeof Blob||"undefined"!=typeof Blob&&"[object BlobConstructor]"===se.call(Blob),ne="function"==typeof File||"undefined"!=typeof File&&"[object FileConstructor]"===se.call(File);function ie(e){return te&&(e instanceof ArrayBuffer||(e=>"function"==typeof ArrayBuffer.isView?ArrayBuffer.isView(e):e.buffer instanceof ArrayBuffer)(e))||re&&e instanceof Blob||ne&&e instanceof File}function oe(e,t){if(!e||"object"!=typeof e)return!1;if(Array.isArray(e)){for(let t=0,s=e.length;t<s;t++)if(oe(e[t]))return!0;return!1}if(ie(e))return!0;if(e.toJSON&&"function"==typeof e.toJSON&&1===arguments.length)return oe(e.toJSON(),!0);for(const s in e)if(Object.prototype.hasOwnProperty.call(e,s)&&oe(e[s]))return!0;return!1}function ae(e){const t=[],s=e.data,r=e;return r.data=le(s,t),r.attachments=t.length,{packet:r,buffers:t}}function le(e,t){if(!e)return e;if(ie(e)){const s={_placeholder:!0,num:t.length};return t.push(e),s}if(Array.isArray(e)){const s=new Array(e.length);for(let r=0;r<e.length;r++)s[r]=le(e[r],t);return s}if("object"==typeof e&&!(e instanceof Date)){const s={};for(const r in e)Object.prototype.hasOwnProperty.call(e,r)&&(s[r]=le(e[r],t));return s}return e}function ce(e,t){return e.data=he(e.data,t),delete e.attachments,e}function he(e,t){if(!e)return e;if(e&&!0===e._placeholder){if("number"==typeof e.num&&e.num>=0&&e.num<t.length)return t[e.num];throw new Error("illegal attachments")}if(Array.isArray(e))for(let s=0;s<e.length;s++)e[s]=he(e[s],t);else if("object"==typeof e)for(const s in e)Object.prototype.hasOwnProperty.call(e,s)&&(e[s]=he(e[s],t));return e}const ue=["connect","connect_error","disconnect","disconnecting","newListener","removeListener"];var pe,de;(de=pe||(pe={}))[de.CONNECT=0]="CONNECT",de[de.DISCONNECT=1]="DISCONNECT",de[de.EVENT=2]="EVENT",de[de.ACK=3]="ACK",de[de.CONNECT_ERROR=4]="CONNECT_ERROR",de[de.BINARY_EVENT=5]="BINARY_EVENT",de[de.BINARY_ACK=6]="BINARY_ACK";function fe(e){return"[object Object]"===Object.prototype.toString.call(e)}class me extends k{constructor(e){super(),this.reviver=e}add(e){let t;if("string"==typeof e){if(this.reconstructor)throw new Error("got plaintext data when reconstructing a packet");t=this.decodeString(e);const s=t.type===pe.BINARY_EVENT;s||t.type===pe.BINARY_ACK?(t.type=s?pe.EVENT:pe.ACK,this.reconstructor=new ge(t),0===t.attachments&&super.emitReserved("decoded",t)):super.emitReserved("decoded",t)}else{if(!ie(e)&&!e.base64)throw new Error("Unknown type: "+e);if(!this.reconstructor)throw new Error("got binary data when not reconstructing a packet");t=this.reconstructor.takeBinaryData(e),t&&(this.reconstructor=null,super.emitReserved("decoded",t))}}decodeString(e){let t=0;const s={type:Number(e.charAt(0))};if(void 0===pe[s.type])throw new Error("unknown packet type "+s.type);if(s.type===pe.BINARY_EVENT||s.type===pe.BINARY_ACK){const r=t+1;for(;"-"!==e.charAt(++t)&&t!=e.length;);const n=e.substring(r,t);if(n!=Number(n)||"-"!==e.charAt(t))throw new Error("Illegal attachments");s.attachments=Number(n)}if("/"===e.charAt(t+1)){const r=t+1;for(;++t;){if(","===e.charAt(t))break;if(t===e.length)break}s.nsp=e.substring(r,t)}else s.nsp="/";const r=e.charAt(t+1);if(""!==r&&Number(r)==r){const r=t+1;for(;++t;){const s=e.charAt(t);if(null==s||Number(s)!=s){--t;break}if(t===e.length)break}s.id=Number(e.substring(r,t+1))}if(e.charAt(++t)){const r=this.tryParse(e.substr(t));if(!me.isPayloadValid(s.type,r))throw new Error("invalid payload");s.data=r}return s}tryParse(e){try{return JSON.parse(e,this.reviver)}catch(t){return!1}}static isPayloadValid(e,t){switch(e){case pe.CONNECT:return fe(t);case pe.DISCONNECT:return void 0===t;case pe.CONNECT_ERROR:return"string"==typeof t||fe(t);case pe.EVENT:case pe.BINARY_EVENT:return Array.isArray(t)&&("number"==typeof t[0]||"string"==typeof t[0]&&-1===ue.indexOf(t[0]));case pe.ACK:case pe.BINARY_ACK:return Array.isArray(t)}}destroy(){this.reconstructor&&(this.reconstructor.finishedReconstruction(),this.reconstructor=null)}}class ge{constructor(e){this.packet=e,this.buffers=[],this.reconPack=e}takeBinaryData(e){if(this.buffers.push(e),this.buffers.length===this.reconPack.attachments){const e=ce(this.reconPack,this.buffers);return this.finishedReconstruction(),e}return null}finishedReconstruction(){this.reconPack=null,this.buffers=[]}}const ye=Object.freeze(Object.defineProperty({__proto__:null,Decoder:me,Encoder:class{constructor(e){this.replacer=e}encode(e){return e.type!==pe.EVENT&&e.type!==pe.ACK||!oe(e)?[this.encodeAsString(e)]:this.encodeAsBinary({type:e.type===pe.EVENT?pe.BINARY_EVENT:pe.BINARY_ACK,nsp:e.nsp,data:e.data,id:e.id})}encodeAsString(e){let t=""+e.type;return e.type!==pe.BINARY_EVENT&&e.type!==pe.BINARY_ACK||(t+=e.attachments+"-"),e.nsp&&"/"!==e.nsp&&(t+=e.nsp+","),null!=e.id&&(t+=e.id),null!=e.data&&(t+=JSON.stringify(e.data,this.replacer)),t}encodeAsBinary(e){const t=ae(e),s=this.encodeAsString(t.packet),r=t.buffers;return r.unshift(s),r}},get PacketType(){return pe},protocol:5},Symbol.toStringTag,{value:"Module"}));function we(e,t,s){return e.on(t,s),function(){e.off(t,s)}}const be=Object.freeze({connect:1,connect_error:1,disconnect:1,disconnecting:1,newListener:1,removeListener:1});class ve extends k{constructor(e,t,s){super(),this.connected=!1,this.recovered=!1,this.receiveBuffer=[],this.sendBuffer=[],this._queue=[],this._queueSeq=0,this.ids=0,this.acks={},this.flags={},this.io=e,this.nsp=t,s&&s.auth&&(this.auth=s.auth),this._opts=Object.assign({},s),this.io._autoConnect&&this.open()}get disconnected(){return!this.connected}subEvents(){if(this.subs)return;const e=this.io;this.subs=[we(e,"open",this.onopen.bind(this)),we(e,"packet",this.onpacket.bind(this)),we(e,"error",this.onerror.bind(this)),we(e,"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(...e){return e.unshift("message"),this.emit.apply(this,e),this}emit(e,...t){var s,r,n;if(be.hasOwnProperty(e))throw new Error('"'+e.toString()+'" is a reserved event name');if(t.unshift(e),this._opts.retries&&!this.flags.fromQueue&&!this.flags.volatile)return this._addToQueue(t),this;const i={type:pe.EVENT,data:t,options:{}};if(i.options.compress=!1!==this.flags.compress,"function"==typeof t[t.length-1]){const e=this.ids++,s=t.pop();this._registerAckCallback(e,s),i.id=e}const o=null===(r=null===(s=this.io.engine)||void 0===s?void 0:s.transport)||void 0===r?void 0:r.writable,a=this.connected&&!(null===(n=this.io.engine)||void 0===n?void 0:n._hasPingExpired());return this.flags.volatile&&!o||(a?(this.notifyOutgoingListeners(i),this.packet(i)):this.sendBuffer.push(i)),this.flags={},this}_registerAckCallback(e,t){var s;const r=null!==(s=this.flags.timeout)&&void 0!==s?s:this._opts.ackTimeout;if(void 0===r)return void(this.acks[e]=t);const n=this.io.setTimeoutFn(()=>{delete this.acks[e];for(let t=0;t<this.sendBuffer.length;t++)this.sendBuffer[t].id===e&&this.sendBuffer.splice(t,1);t.call(this,new Error("operation has timed out"))},r),i=(...e)=>{this.io.clearTimeoutFn(n),t.apply(this,e)};i.withError=!0,this.acks[e]=i}emitWithAck(e,...t){return new Promise((s,r)=>{const n=(e,t)=>e?r(e):s(t);n.withError=!0,t.push(n),this.emit(e,...t)})}_addToQueue(e){let t;"function"==typeof e[e.length-1]&&(t=e.pop());const s={id:this._queueSeq++,tryCount:0,pending:!1,args:e,flags:Object.assign({fromQueue:!0},this.flags)};e.push((e,...r)=>{if(s!==this._queue[0])return;return null!==e?s.tryCount>this._opts.retries&&(this._queue.shift(),t&&t(e)):(this._queue.shift(),t&&t(null,...r)),s.pending=!1,this._drainQueue()}),this._queue.push(s),this._drainQueue()}_drainQueue(e=!1){if(!this.connected||0===this._queue.length)return;const t=this._queue[0];t.pending&&!e||(t.pending=!0,t.tryCount++,this.flags=t.flags,this.emit.apply(this,t.args))}packet(e){e.nsp=this.nsp,this.io._packet(e)}onopen(){"function"==typeof this.auth?this.auth(e=>{this._sendConnectPacket(e)}):this._sendConnectPacket(this.auth)}_sendConnectPacket(e){this.packet({type:pe.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(t=>String(t.id)===e)){const t=this.acks[e];delete this.acks[e],t.withError&&t.call(this,new Error("socket has been disconnected"))}})}onpacket(e){if(e.nsp===this.nsp)switch(e.type){case pe.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 pe.EVENT:case pe.BINARY_EVENT:this.onevent(e);break;case pe.ACK:case pe.BINARY_ACK:this.onack(e);break;case pe.DISCONNECT:this.ondisconnect();break;case pe.CONNECT_ERROR:this.destroy();const t=new Error(e.data.message);t.data=e.data.data,this.emitReserved("connect_error",t)}}onevent(e){const t=e.data||[];null!=e.id&&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 s of t)s.apply(this,e)}super.emit.apply(this,e),this._pid&&e.length&&"string"==typeof e[e.length-1]&&(this._lastOffset=e[e.length-1])}ack(e){const t=this;let s=!1;return function(...r){s||(s=!0,t.packet({type:pe.ACK,id:e,data:r}))}}onack(e){const t=this.acks[e.id];"function"==typeof t&&(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:pe.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 s=0;s<t.length;s++)if(e===t[s])return t.splice(s,1),this}else this._anyListeners=[];return this}listenersAny(){return this._anyListeners||[]}onAnyOutgoing(e){return this._anyOutgoingListeners=this._anyOutgoingListeners||[],this._anyOutgoingListeners.push(e),this}prependAnyOutgoing(e){return this._anyOutgoingListeners=this._anyOutgoingListeners||[],this._anyOutgoingListeners.unshift(e),this}offAnyOutgoing(e){if(!this._anyOutgoingListeners)return this;if(e){const t=this._anyOutgoingListeners;for(let s=0;s<t.length;s++)if(e===t[s])return t.splice(s,1),this}else this._anyOutgoingListeners=[];return this}listenersAnyOutgoing(){return this._anyOutgoingListeners||[]}notifyOutgoingListeners(e){if(this._anyOutgoingListeners&&this._anyOutgoingListeners.length){const t=this._anyOutgoingListeners.slice();for(const s of t)s.apply(this,e.data)}}}function Ce(e){e=e||{},this.ms=e.min||100,this.max=e.max||1e4,this.factor=e.factor||2,this.jitter=e.jitter>0&&e.jitter<=1?e.jitter:0,this.attempts=0}Ce.prototype.duration=function(){var e=this.ms*Math.pow(this.factor,this.attempts++);if(this.jitter){var t=Math.random(),s=Math.floor(t*this.jitter*e);e=1&Math.floor(10*t)?e+s:e-s}return 0|Math.min(e,this.max)},Ce.prototype.reset=function(){this.attempts=0},Ce.prototype.setMin=function(e){this.ms=e},Ce.prototype.setMax=function(e){this.max=e},Ce.prototype.setJitter=function(e){this.jitter=e};class Se extends k{constructor(e,t){var s;super(),this.nsps={},this.subs=[],e&&"object"==typeof e&&(t=e,e=void 0),(t=t||{}).path=t.path||"/socket.io",this.opts=t,R(this,t),this.reconnection(!1!==t.reconnection),this.reconnectionAttempts(t.reconnectionAttempts||1/0),this.reconnectionDelay(t.reconnectionDelay||1e3),this.reconnectionDelayMax(t.reconnectionDelayMax||5e3),this.randomizationFactor(null!==(s=t.randomizationFactor)&&void 0!==s?s:.5),this.backoff=new Ce({min:this.reconnectionDelay(),max:this.reconnectionDelayMax(),jitter:this.randomizationFactor()}),this.timeout(null==t.timeout?2e4:t.timeout),this._readyState="closed",this.uri=e;const r=t.parser||ye;this.encoder=new r.Encoder,this.decoder=new r.Decoder,this._autoConnect=!1!==t.autoConnect,this._autoConnect&&this.open()}reconnection(e){return arguments.length?(this._reconnection=!!e,e||(this.skipReconnect=!0),this):this._reconnection}reconnectionAttempts(e){return void 0===e?this._reconnectionAttempts:(this._reconnectionAttempts=e,this)}reconnectionDelay(e){var t;return void 0===e?this._reconnectionDelay:(this._reconnectionDelay=e,null===(t=this.backoff)||void 0===t||t.setMin(e),this)}randomizationFactor(e){var t;return void 0===e?this._randomizationFactor:(this._randomizationFactor=e,null===(t=this.backoff)||void 0===t||t.setJitter(e),this)}reconnectionDelayMax(e){var t;return void 0===e?this._reconnectionDelayMax:(this._reconnectionDelayMax=e,null===(t=this.backoff)||void 0===t||t.setMax(e),this)}timeout(e){return arguments.length?(this._timeout=e,this):this._timeout}maybeReconnectOnOpen(){!this._reconnecting&&this._reconnection&&0===this.backoff.attempts&&this.reconnect()}open(e){if(~this._readyState.indexOf("open"))return this;this.engine=new ee(this.uri,this.opts);const t=this.engine,s=this;this._readyState="opening",this.skipReconnect=!1;const r=we(t,"open",function(){s.onopen(),e&&e()}),n=t=>{this.cleanup(),this._readyState="closed",this.emitReserved("error",t),e?e(t):this.maybeReconnectOnOpen()},i=we(t,"error",n);if(!1!==this._timeout){const e=this._timeout,s=this.setTimeoutFn(()=>{r(),n(new Error("timeout")),t.close()},e);this.opts.autoUnref&&s.unref(),this.subs.push(()=>{this.clearTimeoutFn(s)})}return this.subs.push(r),this.subs.push(i),this}connect(e){return this.open(e)}onopen(){this.cleanup(),this._readyState="open",this.emitReserved("open");const e=this.engine;this.subs.push(we(e,"ping",this.onping.bind(this)),we(e,"data",this.ondata.bind(this)),we(e,"error",this.onerror.bind(this)),we(e,"close",this.onclose.bind(this)),we(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){I(()=>{this.emitReserved("packet",e)},this.setTimeoutFn)}onerror(e){this.emitReserved("error",e)}socket(e,t){let s=this.nsps[e];return s?this._autoConnect&&!s.active&&s.connect():(s=new ve(this,e,t),this.nsps[e]=s),s}_destroy(e){const t=Object.keys(this.nsps);for(const s of t){if(this.nsps[s].active)return}this._close()}_packet(e){const t=this.encoder.encode(e);for(let s=0;s<t.length;s++)this.engine.write(t[s],e.options)}cleanup(){this.subs.forEach(e=>e()),this.subs.length=0,this.decoder.destroy()}_close(){this.skipReconnect=!0,this._reconnecting=!1,this.onclose("forced close")}disconnect(){return this._close()}onclose(e,t){var s;this.cleanup(),null===(s=this.engine)||void 0===s||s.close(),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 s=this.setTimeoutFn(()=>{e.skipReconnect||(this.emitReserved("reconnect_attempt",e.backoff.attempts),e.skipReconnect||e.open(t=>{t?(e._reconnecting=!1,e.reconnect(),this.emitReserved("reconnect_error",t)):e.onreconnect()}))},t);this.opts.autoUnref&&s.unref(),this.subs.push(()=>{this.clearTimeoutFn(s)})}}onreconnect(){const e=this.backoff.attempts;this._reconnecting=!1,this.backoff.reset(),this.emitReserved("reconnect",e)}}const ke={};function Ie(e,t){"object"==typeof e&&(t=e,e=void 0);const s=function(e,t="",s){let r=e;s=s||"undefined"!=typeof location&&location,null==e&&(e=s.protocol+"//"+s.host),"string"==typeof e&&("/"===e.charAt(0)&&(e="/"===e.charAt(1)?s.protocol+e:s.host+e),/^(https?|wss?):\/\//.test(e)||(e=void 0!==s?s.protocol+"//"+e:"https://"+e),r=H(e)),r.port||(/^(http|ws)$/.test(r.protocol)?r.port="80":/^(http|ws)s$/.test(r.protocol)&&(r.port="443")),r.path=r.path||"/";const n=-1!==r.host.indexOf(":")?"["+r.host+"]":r.host;return r.id=r.protocol+"://"+n+":"+r.port+t,r.href=r.protocol+"://"+n+(s&&s.port===r.port?"":":"+r.port),r}(e,(t=t||{}).path||"/socket.io"),r=s.source,n=s.id,i=s.path,o=ke[n]&&i in ke[n].nsps;let a;return t.forceNew||t["force new connection"]||!1===t.multiplex||o?a=new Se(r,t):(ke[n]||(ke[n]=new Se(r,t)),a=ke[n]),s.query&&!t.query&&(t.query=s.queryKey),a.socket(s.path,t)}Object.assign(Ie,{Manager:Se,Socket:ve,io:Ie,connect:Ie});class xe{constructor(e){t(this,"socket"),t(this,"encode"),t(this,"decode"),this.socket=Ie(e.baseUrl,{transports:["websocket"],path:"/analytics/ws",auth:{token:e.authToken},query:e.query}),this.encode=e.encoder??(e=>function(e){const t=(new TextEncoder).encode(e);if("undefined"!=typeof window&&"function"==typeof window.btoa){const e=Array.from(t,e=>String.fromCharCode(e)).join("");return btoa(e)}if("undefined"!=typeof Buffer)return Buffer.from(t).toString("base64");throw new Error("[utils.base64Encode]: Unsupported 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r={sdk_name:s.sdk||"node",sdk_version:s.sdkVersion||""},n=s.apiUrl||"https://analytic.brainfi.sh",i=s.accessKey;this.client=new xe({baseUrl:n,authToken:i,query:r}),this.httpClient=new Oe({baseUrl:n,authToken:i,sdkMetadata:{name:s.sdk||"node",version:s.sdkVersion||""}}),"undefined"!=typeof window&&"undefined"!=typeof localStorage&&(this.trackingDisabled="true"===localStorage.getItem(e.TRACKING_DISABLED_KEY)),this.setupIncomingPayloadHandler()}init(){}ready(){this.options.waitForUser=!1,this.flush()}setupIncomingPayloadHandler(){this.client.on("e",this.handleIncomingPayload.bind(this))}handleIncomingPayload(e){if("nudge.show"===e.type){const{nudgeId:t}=e.payload;if(this.recentNudgeIds.has(t))return;this.recentNudgeIds.add(t),this.dispatchEventListeners("nudge.show",e.payload)}}dispatchEventListeners(e,t){this.eventListeners[e]?.forEach(e=>e(t))}on(e,t){this.knownEvents.includes(e)&&(this.eventListeners[e]||(this.eventListeners[e]=[]),this.eventListeners[e].push(t))}off(e,t){this.knownEvents.includes(e)&&this.eventListeners[e]&&(this.eventListeners[e]=this.eventListeners[e].filter(e=>e!==t),0===this.eventListeners[e].length&&delete this.eventListeners[e])}async send(e,t){return 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