phoenix

var Phoenix=(()=>{var H=Object.defineProperty;var D=Object.getOwnPropertyDescriptor;var U=Object.getOwnPropertyNames;var F=Object.prototype.hasOwnProperty;var I=(h,e)=>{for(var t in e)H(h,t,{get:e[t],enumerable:!0})},z=(h,e,t,i)=>{if(e&&typeof e=="object"||typeof e=="function")for(let s of U(e))!F.call(h,s)&&s!==t&&H(h,s,{get:()=>e[s],enumerable:!(i=D(e,s))||i.enumerable});return h};var J=h=>z(H({},"__esModule",{value:!0}),h);var G={};I(G,{Channel:()=>j,LongPoll:()=>T,Presence:()=>_,Serializer:()=>L,Socket:()=>x});var R=h=>typeof h=="function"?h:function(){return h};var W=typeof self!="undefined"?self:null,v=typeof window!="undefined"?window:null,p=W||v||globalThis,O="2.0.0",g={connecting:0,open:1,closing:2,closed:3},B=100,P=1e4,$=1e3,u={closed:"closed",errored:"errored",joined:"joined",joining:"joining",leaving:"leaving"},m={close:"phx_close",error:"phx_error",join:"phx_join",reply:"phx_reply",leave:"phx_leave"},A={longpoll:"longpoll",websocket:"websocket"},M={complete:4},w="base64url.bearer.phx.";var y=class{constructor(e,t,i,s){this.channel=e,this.event=t,this.payload=i||function(){return{}},this.receivedResp=null,this.timeout=s,this.timeoutTimer=null,this.recHooks=[],this.sent=!1}resend(e){this.timeout=e,this.reset(),this.send()}send(){this.hasReceived("timeout")||(this.startTimeout(),this.sent=!0,this.channel.socket.push({topic:this.channel.topic,event:this.event,payload:this.payload(),ref:this.ref,join_ref:this.channel.joinRef()}))}receive(e,t){return this.hasReceived(e)&&t(this.receivedResp.response),this.recHooks.push({status:e,callback:t}),this}reset(){this.cancelRefEvent(),this.ref=null,this.refEvent=null,this.receivedResp=null,this.sent=!1}matchReceive({status:e,response:t,_ref:i}){this.recHooks.filter(s=>s.status===e).forEach(s=>s.callback(t))}cancelRefEvent(){this.refEvent&&this.channel.off(this.refEvent)}cancelTimeout(){clearTimeout(this.timeoutTimer),this.timeoutTimer=null}startTimeout(){this.timeoutTimer&&this.cancelTimeout(),this.ref=this.channel.socket.makeRef(),this.refEvent=this.channel.replyEventName(this.ref),this.channel.on(this.refEvent,e=>{this.cancelRefEvent(),this.cancelTimeout(),this.receivedResp=e,this.matchReceive(e)}),this.timeoutTimer=setTimeout(()=>{this.trigger("timeout",{})},this.timeout)}hasReceived(e){return this.receivedResp&&this.receivedResp.status===e}trigger(e,t){this.channel.trigger(this.refEvent,{status:e,response:t})}};var k=class{constructor(e,t){this.callback=e,this.timerCalc=t,this.timer=null,this.tries=0}reset(){this.tries=0,clearTimeout(this.timer)}scheduleTimeout(){clearTimeout(this.timer),this.timer=setTimeout(()=>{this.tries=this.tries+1,this.callback()},this.timerCalc(this.tries+1))}};var j=class{constructor(e,t,i){this.state=u.closed,this.topic=e,this.params=R(t||{}),this.socket=i,this.bindings=[],this.bindingRef=0,this.timeout=this.socket.timeout,this.joinedOnce=!1,this.joinPush=new y(this,m.join,this.params,this.timeout),this.pushBuffer=[],this.stateChangeRefs=[],this.rejoinTimer=new k(()=>{this.socket.isConnected()&&this.rejoin()},this.socket.rejoinAfterMs),this.stateChangeRefs.push(this.socket.onError(()=>this.rejoinTimer.reset())),this.stateChangeRefs.push(this.socket.onOpen(()=>{this.rejoinTimer.reset(),this.isErrored()&&this.rejoin()})),this.joinPush.receive("ok",()=>{this.state=u.joined,this.rejoinTimer.reset(),this.pushBuffer.forEach(s=>s.send()),this.pushBuffer=[]}),this.joinPush.receive("error",()=>{this.state=u.errored,this.socket.isConnected()&&this.rejoinTimer.scheduleTimeout()}),this.onClose(()=>{this.rejoinTimer.reset(),this.socket.hasLogger()&&this.socket.log("channel",`close ${this.topic} ${this.joinRef()}`),this.state=u.closed,this.socket.remove(this)}),this.onError(s=>{this.socket.hasLogger()&&this.socket.log("channel",`error ${this.topic}`,s),this.isJoining()&&this.joinPush.reset(),this.state=u.errored,this.socket.isConnected()&&this.rejoinTimer.scheduleTimeout()}),this.joinPush.receive("timeout",()=>{this.socket.hasLogger()&&this.socket.log("channel",`timeout ${this.topic} (${this.joinRef()})`,this.joinPush.timeout),new y(this,m.leave,R({}),this.timeout).send(),this.state=u.errored,this.joinPush.reset(),this.socket.isConnected()&&this.rejoinTimer.scheduleTimeout()}),this.on(m.reply,(s,o)=>{this.trigger(this.replyEventName(o),s)})}join(e=this.timeout){if(this.joinedOnce)throw new Error("tried to join multiple times. 'join' can only be called a single time per channel instance");return this.timeout=e,this.joinedOnce=!0,this.rejoin(),this.joinPush}onClose(e){this.on(m.close,e)}onError(e){return this.on(m.error,t=>e(t))}on(e,t){let i=this.bindingRef++;return this.bindings.push({event:e,ref:i,callback:t}),i}off(e,t){this.bindings=this.bindings.filter(i=>!(i.event===e&&(typeof t=="undefined"||t===i.ref)))}canPush(){return this.socket.isConnected()&&this.isJoined()}push(e,t,i=this.timeout){if(t=t||{},!this.joinedOnce)throw new Error(`tried to push '${e}' to '${this.topic}' before joining. Use channel.join() before pushing events`);let s=new y(this,e,function(){return t},i);return this.canPush()?s.send():(s.startTimeout(),this.pushBuffer.push(s)),s}leave(e=this.timeout){this.rejoinTimer.reset(),this.joinPush.cancelTimeout(),this.state=u.leaving;let t=()=>{this.socket.hasLogger()&&this.socket.log("channel",`leave ${this.topic}`),this.trigger(m.close,"leave")},i=new y(this,m.leave,R({}),e);return i.receive("ok",()=>t()).receive("timeout",()=>t()),i.send(),this.canPush()||i.trigger("ok",{}),i}onMessage(e,t,i){return t}isMember(e,t,i,s){return this.topic!==e?!1:s&&s!==this.joinRef()?(this.socket.hasLogger()&&this.socket.log("channel","dropping outdated message",{topic:e,event:t,payload:i,joinRef:s}),!1):!0}joinRef(){return this.joinPush.ref}rejoin(e=this.timeout){this.isLeaving()||(this.socket.leaveOpenTopic(this.topic),this.state=u.joining,this.joinPush.resend(e))}trigger(e,t,i,s){let o=this.onMessage(e,t,i,s);if(t&&!o)throw new Error("channel onMessage callbacks must return the payload, modified or unmodified");let n=this.bindings.filter(r=>r.event===e);for(let r=0;r<n.length;r++)n[r].callback(o,i,s||this.joinRef())}replyEventName(e){return`chan_reply_${e}`}isClosed(){return this.state===u.closed}isErrored(){return this.state===u.errored}isJoined(){return this.state===u.joined}isJoining(){return this.state===u.joining}isLeaving(){return this.state===u.leaving}};var C=class{static request(e,t,i,s,o,n,r){if(p.XDomainRequest){let a=new p.XDomainRequest;return this.xdomainRequest(a,e,t,s,o,n,r)}else if(p.XMLHttpRequest){let a=new p.XMLHttpRequest;return this.xhrRequest(a,e,t,i,s,o,n,r)}else{if(p.fetch&&p.AbortController)return this.fetchRequest(e,t,i,s,o,n,r);throw new Error("No suitable XMLHttpRequest implementation found")}}static fetchRequest(e,t,i,s,o,n,r){let a={method:e,headers:i,body:s},l=null;if(o){l=new AbortController;let c=setTimeout(()=>l.abort(),o);a.signal=l.signal}return p.fetch(t,a).then(c=>c.text()).then(c=>this.parseJSON(c)).then(c=>r&&r(c)).catch(c=>{c.name==="AbortError"&&n?n():r&&r(null)}),l}static xdomainRequest(e,t,i,s,o,n,r){return e.timeout=o,e.open(t,i),e.onload=()=>{let a=this.parseJSON(e.responseText);r&&r(a)},n&&(e.ontimeout=n),e.onprogress=()=>{},e.send(s),e}static xhrRequest(e,t,i,s,o,n,r,a){e.open(t,i,!0),e.timeout=n;for(let[l,c]of Object.entries(s))e.setRequestHeader(l,c);return e.onerror=()=>a&&a(null),e.onreadystatechange=()=>{if(e.readyState===M.complete&&a){let l=this.parseJSON(e.responseText);a(l)}},r&&(e.ontimeout=r),e.send(o),e}static parseJSON(e){if(!e||e==="")return null;try{return JSON.parse(e)}catch(t){return console&&console.log("failed to parse JSON response",e),null}}static serialize(e,t){let i=[];for(var s in e){if(!Object.prototype.hasOwnProperty.call(e,s))continue;let o=t?`${t}[${s}]`:s,n=e[s];typeof n=="object"?i.push(this.serialize(n,o)):i.push(encodeURIComponent(o)+"="+encodeURIComponent(n))}return i.join("&")}static appendParams(e,t){if(Object.keys(t).length===0)return e;let i=e.match(/\?/)?"&":"?";return`${e}${i}${this.serialize(t)}`}};var X=h=>{let e="",t=new Uint8Array(h),i=t.byteLength;for(let s=0;s<i;s++)e+=String.fromCharCode(t[s]);return btoa(e)},T=class{constructor(e,t){t&&t.length===2&&t[1].startsWith(w)&&(this.authToken=atob(t[1].slice(w.length))),this.endPoint=null,this.token=null,this.skipHeartbeat=!0,this.reqs=new Set,this.awaitingBatchAck=!1,this.currentBatch=null,this.currentBatchTimer=null,this.batchBuffer=[],this.onopen=function(){},this.onerror=function(){},this.onmessage=function(){},this.onclose=function(){},this.pollEndpoint=this.normalizeEndpoint(e),this.readyState=g.connecting,setTimeout(()=>this.poll(),0)}normalizeEndpoint(e){return e.replace("ws://","http://").replace("wss://","https://").replace(new RegExp("(.*)/"+A.websocket),"$1/"+A.longpoll)}endpointURL(){return C.appendParams(this.pollEndpoint,{token:this.token})}closeAndRetry(e,t,i){this.close(e,t,i),this.readyState=g.connecting}ontimeout(){this.onerror("timeout"),this.closeAndRetry(1005,"timeout",!1)}isActive(){return this.readyState===g.open||this.readyState===g.connecting}poll(){let e={Accept:"application/json"};this.authToken&&(e["X-Phoenix-AuthToken"]=this.authToken),this.ajax("GET",e,null,()=>this.ontimeout(),t=>{if(t){var{status:i,token:s,messages:o}=t;if(i===410&&this.token!==null){this.onerror(410),this.closeAndRetry(3410,"session_gone",!1);return}this.token=s}else i=0;switch(i){case 200:o.forEach(n=>{setTimeout(()=>this.onmessage({data:n}),0)}),this.poll();break;case 204:this.poll();break;case 410:this.readyState=g.open,this.onopen({}),this.poll();break;case 403:this.onerror(403),this.close(1008,"forbidden",!1);break;case 0:case 500:this.onerror(500),this.closeAndRetry(1011,"internal server error",500);break;default:throw new Error(`unhandled poll status ${i}`)}})}send(e){typeof e!="string"&&(e=X(e)),this.currentBatch?this.currentBatch.push(e):this.awaitingBatchAck?this.batchBuffer.push(e):(this.currentBatch=[e],this.currentBatchTimer=setTimeout(()=>{this.batchSend(this.currentBatch),this.currentBatch=null},0))}batchSend(e,t=0){this.awaitingBatchAck=!0;let i=t+B,s=e.slice(t,i);this.ajax("POST",{"Content-Type":"application/x-ndjson"},s.join(`
`),()=>this.onerror("timeout"),o=>{!o||o.status!==200?(this.awaitingBatchAck=!1,this.onerror(o&&o.status),this.closeAndRetry(1011,"internal server error",!1)):i<e.length?this.batchSend(e,i):this.batchBuffer.length>0?(this.batchSend(this.batchBuffer),this.batchBuffer=[]):this.awaitingBatchAck=!1})}close(e,t,i){for(let o of this.reqs)o.abort();this.readyState=g.closed;let s=Object.assign({code:1e3,reason:void 0,wasClean:!0},{code:e,reason:t,wasClean:i});this.batchBuffer=[],clearTimeout(this.currentBatchTimer),this.currentBatchTimer=null,typeof CloseEvent!="undefined"?this.onclose(new CloseEvent("close",s)):this.onclose(s)}ajax(e,t,i,s,o){let n,r=()=>{this.reqs.delete(n),s()};n=C.request(e,this.endpointURL(),t,i,this.timeout,r,a=>{this.reqs.delete(n),this.isActive()&&o(a)}),this.reqs.add(n)}};var _=class h{constructor(e,t={}){let i=t.events||{state:"presence_state",diff:"presence_diff"};this.state={},this.pendingDiffs=[],this.channel=e,this.joinRef=null,this.caller={onJoin:function(){},onLeave:function(){},onSync:function(){}},this.channel.on(i.state,s=>{let{onJoin:o,onLeave:n,onSync:r}=this.caller;this.joinRef=this.channel.joinRef(),this.state=h.syncState(this.state,s,o,n),this.pendingDiffs.forEach(a=>{this.state=h.syncDiff(this.state,a,o,n)}),this.pendingDiffs=[],r()}),this.channel.on(i.diff,s=>{let{onJoin:o,onLeave:n,onSync:r}=this.caller;this.inPendingSyncState()?this.pendingDiffs.push(s):(this.state=h.syncDiff(this.state,s,o,n),r())})}onJoin(e){this.caller.onJoin=e}onLeave(e){this.caller.onLeave=e}onSync(e){this.caller.onSync=e}list(e){return h.list(this.state,e)}inPendingSyncState(){return!this.joinRef||this.joinRef!==this.channel.joinRef()}static syncState(e,t,i,s){let o=this.clone(e),n={},r={};return this.map(o,(a,l)=>{t[a]||(r[a]=l)}),this.map(t,(a,l)=>{let c=o[a];if(c){let b=l.metas.map(f=>f.phx_ref),d=c.metas.map(f=>f.phx_ref),E=l.metas.filter(f=>d.indexOf(f.phx_ref)<0),S=c.metas.filter(f=>b.indexOf(f.phx_ref)<0);E.length>0&&(n[a]=l,n[a].metas=E),S.length>0&&(r[a]=this.clone(c),r[a].metas=S)}else n[a]=l}),this.syncDiff(o,{joins:n,leaves:r},i,s)}static syncDiff(e,t,i,s){let{joins:o,leaves:n}=this.clone(t);return i||(i=function(){}),s||(s=function(){}),this.map(o,(r,a)=>{let l=e[r];if(e[r]=this.clone(a),l){let c=e[r].metas.map(d=>d.phx_ref),b=l.metas.filter(d=>c.indexOf(d.phx_ref)<0);e[r].metas.unshift(...b)}i(r,l,a)}),this.map(n,(r,a)=>{let l=e[r];if(!l)return;let c=a.metas.map(b=>b.phx_ref);l.metas=l.metas.filter(b=>c.indexOf(b.phx_ref)<0),s(r,l,a),l.metas.length===0&&delete e[r]}),e}static list(e,t){return t||(t=function(i,s){return s}),this.map(e,(i,s)=>t(i,s))}static map(e,t){return Object.getOwnPropertyNames(e).map(i=>t(i,e[i]))}static clone(e){return JSON.parse(JSON.stringify(e))}};var L={HEADER_LENGTH:1,META_LENGTH:4,KINDS:{push:0,reply:1,broadcast:2},encode(h,e){if(h.payload.constructor===ArrayBuffer)return e(this.binaryEncode(h));{let t=[h.join_ref,h.ref,h.topic,h.event,h.payload];return e(JSON.stringify(t))}},decode(h,e){if(h.constructor===ArrayBuffer)return e(this.binaryDecode(h));{let[t,i,s,o,n]=JSON.parse(h);return e({join_ref:t,ref:i,topic:s,event:o,payload:n})}},binaryEncode(h){let{join_ref:e,ref:t,event:i,topic:s,payload:o}=h,n=new TextEncoder,r=n.encode(e),a=n.encode(t),l=n.encode(s),c=n.encode(i);this.assertFieldSize(r.byteLength,"join_ref"),this.assertFieldSize(a.byteLength,"ref"),this.assertFieldSize(l.byteLength,"topic"),this.assertFieldSize(c.byteLength,"event");let b=this.META_LENGTH+r.byteLength+a.byteLength+l.byteLength+c.byteLength,d=new ArrayBuffer(this.HEADER_LENGTH+b),E=new Uint8Array(d),S=new DataView(d),f=0;S.setUint8(f++,this.KINDS.push),S.setUint8(f++,r.byteLength),S.setUint8(f++,a.byteLength),S.setUint8(f++,l.byteLength),S.setUint8(f++,c.byteLength),E.set(r,f),f+=r.byteLength,E.set(a,f),f+=a.byteLength,E.set(l,f),f+=l.byteLength,E.set(c,f),f+=c.byteLength;var N=new Uint8Array(d.byteLength+o.byteLength);return N.set(E,0),N.set(new Uint8Array(o),d.byteLength),N.buffer},assertFieldSize(h,e){if(h>255)throw new Error(`unable to convert ${e} to binary: must be less than or equal to 255 bytes, but is ${h} bytes`)},binaryDecode(h){let e=new DataView(h),t=e.getUint8(0),i=new TextDecoder;switch(t){case this.KINDS.push:return this.decodePush(h,e,i);case this.KINDS.reply:return this.decodeReply(h,e,i);case this.KINDS.broadcast:return this.decodeBroadcast(h,e,i)}},decodePush(h,e,t){let i=e.getUint8(1),s=e.getUint8(2),o=e.getUint8(3),n=this.HEADER_LENGTH+this.META_LENGTH-1,r=t.decode(h.slice(n,n+i));n=n+i;let a=t.decode(h.slice(n,n+s));n=n+s;let l=t.decode(h.slice(n,n+o));n=n+o;let c=h.slice(n,h.byteLength);return{join_ref:r,ref:null,topic:a,event:l,payload:c}},decodeReply(h,e,t){let i=e.getUint8(1),s=e.getUint8(2),o=e.getUint8(3),n=e.getUint8(4),r=this.HEADER_LENGTH+this.META_LENGTH,a=t.decode(h.slice(r,r+i));r=r+i;let l=t.decode(h.slice(r,r+s));r=r+s;let c=t.decode(h.slice(r,r+o));r=r+o;let b=t.decode(h.slice(r,r+n));r=r+n;let d=h.slice(r,h.byteLength),E={status:b,response:d};return{join_ref:a,ref:l,topic:c,event:m.reply,payload:E}},decodeBroadcast(h,e,t){let i=e.getUint8(1),s=e.getUint8(2),o=this.HEADER_LENGTH+2,n=t.decode(h.slice(o,o+i));o=o+i;let r=t.decode(h.slice(o,o+s));o=o+s;let a=h.slice(o,h.byteLength);return{join_ref:null,ref:null,topic:n,event:r,payload:a}}};var x=class{constructor(e,t={}){this.stateChangeCallbacks={open:[],close:[],error:[],message:[]},this.channels=[],this.sendBuffer=[],this.ref=0,this.fallbackRef=null,this.timeout=t.timeout||P,this.transport=t.transport||p.WebSocket||T,this.primaryPassedHealthCheck=!1,this.longPollFallbackMs=t.longPollFallbackMs,this.fallbackTimer=null,this.sessionStore=t.sessionStorage||p&&p.sessionStorage,this.establishedConnections=0,this.defaultEncoder=L.encode.bind(L),this.defaultDecoder=L.decode.bind(L),this.closeWasClean=!0,this.disconnecting=!1,this.binaryType=t.binaryType||"arraybuffer",this.connectClock=1,this.pageHidden=!1,this.transport!==T?(this.encode=t.encode||this.defaultEncoder,this.decode=t.decode||this.defaultDecoder):(this.encode=this.defaultEncoder,this.decode=this.defaultDecoder);let i=null;v&&v.addEventListener&&(v.addEventListener("pagehide",s=>{this.conn&&(this.disconnect(),i=this.connectClock)}),v.addEventListener("pageshow",s=>{i===this.connectClock&&(i=null,this.connect())}),v.addEventListener("visibilitychange",()=>{document.visibilityState==="hidden"?this.pageHidden=!0:(this.pageHidden=!1,!this.isConnected()&&!this.closeWasClean&&this.teardown(()=>this.connect()))})),this.heartbeatIntervalMs=t.heartbeatIntervalMs||3e4,this.rejoinAfterMs=s=>t.rejoinAfterMs?t.rejoinAfterMs(s):[1e3,2e3,5e3][s-1]||1e4,this.reconnectAfterMs=s=>t.reconnectAfterMs?t.reconnectAfterMs(s):[10,50,100,150,200,250,500,1e3,2e3][s-1]||5e3,this.logger=t.logger||null,!this.logger&&t.debug&&(this.logger=(s,o,n)=>{console.log(`${s}: ${o}`,n)}),this.longpollerTimeout=t.longpollerTimeout||2e4,this.params=R(t.params||{}),this.endPoint=`${e}/${A.websocket}`,this.vsn=t.vsn||O,this.heartbeatTimeoutTimer=null,this.heartbeatTimer=null,this.pendingHeartbeatRef=null,this.reconnectTimer=new k(()=>{if(this.pageHidden){this.log("Not reconnecting as page is hidden!"),this.teardown();return}this.teardown(()=>this.connect())},this.reconnectAfterMs),this.authToken=t.authToken}getLongPollTransport(){return T}replaceTransport(e){this.connectClock++,this.closeWasClean=!0,clearTimeout(this.fallbackTimer),this.reconnectTimer.reset(),this.conn&&(this.conn.close(),this.conn=null),this.transport=e}protocol(){return location.protocol.match(/^https/)?"wss":"ws"}endPointURL(){let e=C.appendParams(C.appendParams(this.endPoint,this.params()),{vsn:this.vsn});return e.charAt(0)!=="/"?e:e.charAt(1)==="/"?`${this.protocol()}:${e}`:`${this.protocol()}://${location.host}${e}`}disconnect(e,t,i){this.connectClock++,this.disconnecting=!0,this.closeWasClean=!0,clearTimeout(this.fallbackTimer),this.reconnectTimer.reset(),this.teardown(()=>{this.disconnecting=!1,e&&e()},t,i)}connect(e){e&&(console&&console.log("passing params to connect is deprecated. Instead pass :params to the Socket constructor"),this.params=R(e)),!(this.conn&&!this.disconnecting)&&(this.longPollFallbackMs&&this.transport!==T?this.connectWithFallback(T,this.longPollFallbackMs):this.transportConnect())}log(e,t,i){this.logger&&this.logger(e,t,i)}hasLogger(){return this.logger!==null}onOpen(e){let t=this.makeRef();return this.stateChangeCallbacks.open.push([t,e]),t}onClose(e){let t=this.makeRef();return this.stateChangeCallbacks.close.push([t,e]),t}onError(e){let t=this.makeRef();return this.stateChangeCallbacks.error.push([t,e]),t}onMessage(e){let t=this.makeRef();return this.stateChangeCallbacks.message.push([t,e]),t}ping(e){if(!this.isConnected())return!1;let t=this.makeRef(),i=Date.now();this.push({topic:"phoenix",event:"heartbeat",payload:{},ref:t});let s=this.onMessage(o=>{o.ref===t&&(this.off([s]),e(Date.now()-i))});return!0}transportName(e){switch(e){case T:return"LongPoll";default:return e.name}}transportConnect(){this.connectClock++,this.closeWasClean=!1;let e;this.authToken&&(e=["phoenix",`${w}${btoa(this.authToken).replace(/=/g,"")}`]),this.conn=new this.transport(this.endPointURL(),e),this.conn.binaryType=this.binaryType,this.conn.timeout=this.longpollerTimeout,this.conn.onopen=()=>this.onConnOpen(),this.conn.onerror=t=>this.onConnError(t),this.conn.onmessage=t=>this.onConnMessage(t),this.conn.onclose=t=>this.onConnClose(t)}getSession(e){return this.sessionStore&&this.sessionStore.getItem(e)}storeSession(e,t){this.sessionStore&&this.sessionStore.setItem(e,t)}connectWithFallback(e,t=2500){clearTimeout(this.fallbackTimer);let i=!1,s=!0,o,n,r=this.transportName(e),a=l=>{this.log("transport",`falling back to ${r}...`,l),this.off([o,n]),s=!1,this.replaceTransport(e),this.transportConnect()};if(this.getSession(`phx:fallback:${r}`))return a("memorized");this.fallbackTimer=setTimeout(a,t),n=this.onError(l=>{this.log("transport","error",l),s&&!i&&(clearTimeout(this.fallbackTimer),a(l))}),this.fallbackRef&&this.off([this.fallbackRef]),this.fallbackRef=this.onOpen(()=>{if(i=!0,!s){let l=this.transportName(e);return this.primaryPassedHealthCheck||this.storeSession(`phx:fallback:${l}`,"true"),this.log("transport",`established ${l} fallback`)}clearTimeout(this.fallbackTimer),this.fallbackTimer=setTimeout(a,t),this.ping(l=>{this.log("transport","connected to primary after",l),this.primaryPassedHealthCheck=!0,clearTimeout(this.fallbackTimer)})}),this.transportConnect()}clearHeartbeats(){clearTimeout(this.heartbeatTimer),clearTimeout(this.heartbeatTimeoutTimer)}onConnOpen(){this.hasLogger()&&this.log("transport",`${this.transportName(this.transport)} connected to ${this.endPointURL()}`),this.closeWasClean=!1,this.disconnecting=!1,this.establishedConnections++,this.flushSendBuffer(),this.reconnectTimer.reset(),this.resetHeartbeat(),this.stateChangeCallbacks.open.forEach(([,e])=>e())}heartbeatTimeout(){this.pendingHeartbeatRef&&(this.pendingHeartbeatRef=null,this.hasLogger()&&this.log("transport","heartbeat timeout. Attempting to re-establish connection"),this.triggerChanError(),this.closeWasClean=!1,this.teardown(()=>this.reconnectTimer.scheduleTimeout(),$,"heartbeat timeout"))}resetHeartbeat(){this.conn&&this.conn.skipHeartbeat||(this.pendingHeartbeatRef=null,this.clearHeartbeats(),this.heartbeatTimer=setTimeout(()=>this.sendHeartbeat(),this.heartbeatIntervalMs))}teardown(e,t,i){if(!this.conn)return e&&e();let s=this.conn;this.waitForBufferDone(s,()=>{t?s.close(t,i||""):s.close(),this.waitForSocketClosed(s,()=>{this.conn===s&&(this.conn.onopen=function(){},this.conn.onerror=function(){},this.conn.onmessage=function(){},this.conn.onclose=function(){},this.conn=null),e&&e()})})}waitForBufferDone(e,t,i=1){if(i===5||!e.bufferedAmount){t();return}setTimeout(()=>{this.waitForBufferDone(e,t,i+1)},150*i)}waitForSocketClosed(e,t,i=1){if(i===5||e.readyState===g.closed){t();return}setTimeout(()=>{this.waitForSocketClosed(e,t,i+1)},150*i)}onConnClose(e){this.conn&&(this.conn.onclose=()=>{});let t=e&&e.code;this.hasLogger()&&this.log("transport","close",e),this.triggerChanError(),this.clearHeartbeats(),!this.closeWasClean&&t!==1e3&&this.reconnectTimer.scheduleTimeout(),this.stateChangeCallbacks.close.forEach(([,i])=>i(e))}onConnError(e){this.hasLogger()&&this.log("transport","error",e);let t=this.transport,i=this.establishedConnections;this.stateChangeCallbacks.error.forEach(([,s])=>{s(e,t,i)}),(t===this.transport||i>0)&&this.triggerChanError()}triggerChanError(){this.channels.forEach(e=>{e.isErrored()||e.isLeaving()||e.isClosed()||e.trigger(m.error)})}connectionState(){switch(this.conn&&this.conn.readyState){case g.connecting:return"connecting";case g.open:return"open";case g.closing:return"closing";default:return"closed"}}isConnected(){return this.connectionState()==="open"}remove(e){this.off(e.stateChangeRefs),this.channels=this.channels.filter(t=>t!==e)}off(e){for(let t in this.stateChangeCallbacks)this.stateChangeCallbacks[t]=this.stateChangeCallbacks[t].filter(([i])=>e.indexOf(i)===-1)}channel(e,t={}){let i=new j(e,t,this);return this.channels.push(i),i}push(e){if(this.hasLogger()){let{topic:t,event:i,payload:s,ref:o,join_ref:n}=e;this.log("push",`${t} ${i} (${n}, ${o})`,s)}this.isConnected()?this.encode(e,t=>this.conn.send(t)):this.sendBuffer.push(()=>this.encode(e,t=>this.conn.send(t)))}makeRef(){let e=this.ref+1;return e===this.ref?this.ref=0:this.ref=e,this.ref.toString()}sendHeartbeat(){this.pendingHeartbeatRef&&!this.isConnected()||(this.pendingHeartbeatRef=this.makeRef(),this.push({topic:"phoenix",event:"heartbeat",payload:{},ref:this.pendingHeartbeatRef}),this.heartbeatTimeoutTimer=setTimeout(()=>this.heartbeatTimeout(),this.heartbeatIntervalMs))}flushSendBuffer(){this.isConnected()&&this.sendBuffer.length>0&&(this.sendBuffer.forEach(e=>e()),this.sendBuffer=[])}onConnMessage(e){this.decode(e.data,t=>{let{topic:i,event:s,payload:o,ref:n,join_ref:r}=t;n&&n===this.pendingHeartbeatRef&&(this.clearHeartbeats(),this.pendingHeartbeatRef=null,this.heartbeatTimer=setTimeout(()=>this.sendHeartbeat(),this.heartbeatIntervalMs)),this.hasLogger()&&this.log("receive",`${o.status||""} ${i} ${s} ${n&&"("+n+")"||""}`,o);for(let a=0;a<this.channels.length;a++){let l=this.channels[a];l.isMember(i,s,o,r)&&l.trigger(s,o,n,r)}for(let a=0;a<this.stateChangeCallbacks.message.length;a++){let[,l]=this.stateChangeCallbacks.message[a];l(t)}})}leaveOpenTopic(e){let t=this.channels.find(i=>i.topic===e&&(i.isJoined()||i.isJoining()));t&&(this.hasLogger()&&this.log("transport",`leaving duplicate topic "${e}"`),t.leave())}};return J(G);})();