combo

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e.onerror=()=>h&&h(null),e.onreadystatechange=()=>{if(e.readyState===z.complete&&h){let l=this.parseJSON(e.responseText);h(l)}},a&&(e.ontimeout=a),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 s=[];for(var n in e){if(!Object.prototype.hasOwnProperty.call(e,n))continue;let o=t?`${t}[${n}]`:n,r=e[n];typeof r=="object"?s.push(this.serialize(r,o)):s.push(encodeURIComponent(o)+"="+encodeURIComponent(r))}return s.join("&")}static appendParams(e,t){if(Object.keys(t).length===0)return e;let s=e.match(/\?/)?"&":"?";return`${e}${s}${this.serialize(t)}`}};var C=class{constructor(e,t,s,n){this.channel=e,this.event=t,this.payload=s||function(){return{}},this.receivedResp=null,this.timeout=n,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:s}){this.recHooks.filter(n=>n.status===e).forEach(n=>n.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 y=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 R=class{constructor(e,t,s){this.state=d.closed,this.topic=e,this.params=E(t||{}),this.socket=s,this.bindings=[],this.bindingRef=0,this.timeout=this.socket.timeout,this.joinedOnce=!1,this.joinPush=new C(this,g.join,this.params,this.timeout),this.pushBuffer=[],this.stateChangeRefs=[],this.rejoinTimer=new y(()=>{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=d.joined,this.rejoinTimer.reset(),this.pushBuffer.forEach(n=>n.send()),this.pushBuffer=[]}),this.joinPush.receive("error",()=>{this.state=d.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=d.closed,this.socket.remove(this)}),this.onError(n=>{this.socket.hasLogger()&&this.socket.log("channel",`error ${this.topic}`,n),this.isJoining()&&this.joinPush.reset(),this.state=d.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 C(this,g.leave,E({}),this.timeout).send(),this.state=d.errored,this.joinPush.reset(),this.socket.isConnected()&&this.rejoinTimer.scheduleTimeout()}),this.on(g.reply,(n,o)=>{this.trigger(this.replyEventName(o),n)})}join(e=this.timeout){if(this.joinedOnce)throw new Error("tried to join multiple times. 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`),()=>this.onerror("timeout"),t=>{this.awaitingBatchAck=!1,!t||t.status!==200?(this.onerror(t&&t.status),this.closeAndRetry(1011,"internal server error",!1)):this.batchBuffer.length>0&&(this.batchSend(this.batchBuffer),this.batchBuffer=[])})}close(e,t,s){for(let o of this.reqs)o.abort();this.readyState=m.closed;let n=Object.assign({code:1e3,reason:void 0,wasClean:!0},{code:e,reason:t,wasClean:s});this.batchBuffer=[],clearTimeout(this.currentBatchTimer),this.currentBatchTimer=null,typeof CloseEvent!="undefined"?this.onclose(new CloseEvent("close",n)):this.onclose(n)}ajax(e,t,s,n,o){let r,a=()=>{this.reqs.delete(r),n()};r=b.request(e,this.endpointURL(),t,s,this.timeout,a,h=>{this.reqs.delete(r),this.isActive()&&o(h)}),this.reqs.add(r)}};var j={HEADER_LENGTH:1,META_LENGTH:4,KINDS:{push:0,reply:1,broadcast:2},encode(i,e){if(i.payload.constructor===ArrayBuffer)return e(this.binaryEncode(i));{let t=[i.join_ref,i.ref,i.topic,i.event,i.payload];return e(JSON.stringify(t))}},decode(i,e){if(i.constructor===ArrayBuffer)return e(this.binaryDecode(i));{let[t,s,n,o,r]=JSON.parse(i);return e({join_ref:t,ref:s,topic:n,event:o,payload:r})}},binaryEncode(i){let{join_ref:e,ref:t,event:s,topic:n,payload:o}=i,r=this.META_LENGTH+e.length+t.length+n.length+s.length,a=new ArrayBuffer(this.HEADER_LENGTH+r),h=new DataView(a),l=0;h.setUint8(l++,this.KINDS.push),h.setUint8(l++,e.length),h.setUint8(l++,t.length),h.setUint8(l++,n.length),h.setUint8(l++,s.length),Array.from(e,u=>h.setUint8(l++,u.charCodeAt(0))),Array.from(t,u=>h.setUint8(l++,u.charCodeAt(0))),Array.from(n,u=>h.setUint8(l++,u.charCodeAt(0))),Array.from(s,u=>h.setUint8(l++,u.charCodeAt(0)));var c=new Uint8Array(a.byteLength+o.byteLength);return c.set(new Uint8Array(a),0),c.set(new Uint8Array(o),a.byteLength),c.buffer},binaryDecode(i){let e=new DataView(i),t=e.getUint8(0),s=new TextDecoder;switch(t){case this.KINDS.push:return this.decodePush(i,e,s);case this.KINDS.reply:return this.decodeReply(i,e,s);case this.KINDS.broadcast:return this.decodeBroadcast(i,e,s)}},decodePush(i,e,t){let s=e.getUint8(1),n=e.getUint8(2),o=e.getUint8(3),r=this.HEADER_LENGTH+this.META_LENGTH-1,a=t.decode(i.slice(r,r+s));r=r+s;let h=t.decode(i.slice(r,r+n));r=r+n;let l=t.decode(i.slice(r,r+o));r=r+o;let c=i.slice(r,i.byteLength);return{join_ref:a,ref:null,topic:h,event:l,payload:c}},decodeReply(i,e,t){let s=e.getUint8(1),n=e.getUint8(2),o=e.getUint8(3),r=e.getUint8(4),a=this.HEADER_LENGTH+this.META_LENGTH,h=t.decode(i.slice(a,a+s));a=a+s;let l=t.decode(i.slice(a,a+n));a=a+n;let c=t.decode(i.slice(a,a+o));a=a+o;let u=t.decode(i.slice(a,a+r));a=a+r;let A=i.slice(a,i.byteLength),_={status:u,response:A};return{join_ref:h,ref:l,topic:c,event:g.reply,payload:_}},decodeBroadcast(i,e,t){let s=e.getUint8(1),n=e.getUint8(2),o=this.HEADER_LENGTH+2,r=t.decode(i.slice(o,o+s));o=o+s;let a=t.decode(i.slice(o,o+n));o=o+n;let h=i.slice(o,i.byteLength);return{join_ref:null,ref:null,topic:r,event:a,payload:h}}};var k=class{constructor(e,t={}){this.stateChangeCallbacks={open:[],close:[],error:[],message:[]},this.channels=[],this.sendBuffer=[],this.ref=0,this.timeout=t.timeout||W,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=j.encode.bind(j),this.defaultDecoder=j.decode.bind(j),this.closeWasClean=!1,this.disconnecting=!1,this.binaryType=t.binaryType||"arraybuffer",this.connectClock=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 s=null;v&&v.addEventListener&&(v.addEventListener("pagehide",n=>{this.conn&&(this.disconnect(),s=this.connectClock)}),v.addEventListener("pageshow",n=>{s===this.connectClock&&(s=null,this.connect())})),this.heartbeatIntervalMs=t.heartbeatIntervalMs||3e4,this.rejoinAfterMs=n=>t.rejoinAfterMs?t.rejoinAfterMs(n):[1e3,2e3,5e3][n-1]||1e4,this.reconnectAfterMs=n=>t.reconnectAfterMs?t.reconnectAfterMs(n):[10,50,100,150,200,250,500,1e3,2e3][n-1]||5e3,this.logger=t.logger||null,!this.logger&&t.debug&&(this.logger=(n,o,r)=>{console.log(`${n}: ${o}`,r)}),this.longpollerTimeout=t.longpollerTimeout||2e4,this.params=E(t.params||{}),this.endPoint=`${e}/${x.websocket}`,this.vsn=t.vsn||F,this.heartbeatTimeoutTimer=null,this.heartbeatTimer=null,this.pendingHeartbeatRef=null,this.reconnectTimer=new y(()=>{this.teardown(()=>this.connect())},this.reconnectAfterMs),this.authToken=t.authToken}getLongPollTransport(){return T}replaceTransport(e){this.connectClock++,this.closeWasClean=!0,clearTimeout(this.fallbackTimer),this.reconnectTimer.reset(),this.conn&&(this.conn.close(),this.conn=null),this.transport=e}protocol(){return location.protocol.match(/^https/)?"wss":"ws"}endPointURL(){let e=b.appendParams(b.appendParams(this.endPoint,this.params()),{vsn:this.vsn});return e.charAt(0)!=="/"?e:e.charAt(1)==="/"?`${this.protocol()}:${e}`:`${this.protocol()}://${location.host}${e}`}disconnect(e,t,s){this.connectClock++,this.disconnecting=!0,this.closeWasClean=!0,clearTimeout(this.fallbackTimer),this.reconnectTimer.reset(),this.teardown(()=>{this.disconnecting=!1,e&&e()},t,s)}connect(e){e&&(console&&console.log("passing params to connect is deprecated. Instead pass :params to the Socket constructor"),this.params=E(e)),!(this.conn&&!this.disconnecting)&&(this.longPollFallbackMs&&this.transport!==T?this.connectWithFallback(T,this.longPollFallbackMs):this.transportConnect())}log(e,t,s){this.logger&&this.logger(e,t,s)}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(),s=Date.now();this.push({topic:"combo",event:"heartbeat",payload:{},ref:t});let n=this.onMessage(o=>{o.ref===t&&(this.off([n]),e(Date.now()-s))});return!0}transportConnect(){this.connectClock++,this.closeWasClean=!1;let e;this.authToken&&(e=["combo",`${L}${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 s=!1,n=!0,o,r,a=h=>{this.log("transport",`falling back to ${e.name}...`,h),this.off([o,r]),n=!1,this.replaceTransport(e),this.transportConnect()};if(this.getSession(`phx:fallback:${e.name}`))return a("memorized");this.fallbackTimer=setTimeout(a,t),r=this.onError(h=>{this.log("transport","error",h),n&&!s&&(clearTimeout(this.fallbackTimer),a(h))}),this.onOpen(()=>{if(s=!0,!n)return this.primaryPassedHealthCheck||this.storeSession(`phx:fallback:${e.name}`,"true"),this.log("transport",`established ${e.name} fallback`);clearTimeout(this.fallbackTimer),this.fallbackTimer=setTimeout(a,t),this.ping(h=>{this.log("transport","connected to primary after",h),this.primaryPassedHealthCheck=!0,clearTimeout(this.fallbackTimer)})}),this.transportConnect()}clearHeartbeats(){clearTimeout(this.heartbeatTimer),clearTimeout(this.heartbeatTimeoutTimer)}onConnOpen(){this.hasLogger()&&this.log("transport",`${this.transport.name} 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(),J,"heartbeat timeout"))}resetHeartbeat(){this.conn&&this.conn.skipHeartbeat||(this.pendingHeartbeatRef=null,this.clearHeartbeats(),this.heartbeatTimer=setTimeout(()=>this.sendHeartbeat(),this.heartbeatIntervalMs))}teardown(e,t,s){if(!this.conn)return e&&e();let n=this.connectClock;this.waitForBufferDone(()=>{n===this.connectClock&&(this.conn&&(t?this.conn.close(t,s||""):this.conn.close()),this.waitForSocketClosed(()=>{n===this.connectClock&&(this.conn&&(this.conn.onopen=function(){},this.conn.onerror=function(){},this.conn.onmessage=function(){},this.conn.onclose=function(){},this.conn=null),e&&e())}))})}waitForBufferDone(e,t=1){if(t===5||!this.conn||!this.conn.bufferedAmount){e();return}setTimeout(()=>{this.waitForBufferDone(e,t+1)},150*t)}waitForSocketClosed(e,t=1){if(t===5||!this.conn||this.conn.readyState===m.closed){e();return}setTimeout(()=>{this.waitForSocketClosed(e,t+1)},150*t)}onConnClose(e){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(([,s])=>s(e))}onConnError(e){this.hasLogger()&&this.log("transport",e);let t=this.transport,s=this.establishedConnections;this.stateChangeCallbacks.error.forEach(([,n])=>{n(e,t,s)}),(t===this.transport||s>0)&&this.triggerChanError()}triggerChanError(){this.channels.forEach(e=>{e.isErrored()||e.isLeaving()||e.isClosed()||e.trigger(g.error)})}connectionState(){switch(this.conn&&this.conn.readyState){case m.connecting:return"connecting";case m.open:return"open";case m.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(([s])=>e.indexOf(s)===-1)}channel(e,t={}){let s=new R(e,t,this);return this.channels.push(s),s}push(e){if(this.hasLogger()){let{topic:t,event:s,payload:n,ref:o,join_ref:r}=e;this.log("push",`${t} ${s} (${r}, ${o})`,n)}this.isConnected()?this.encode(e,t=>this.conn.send(t)):this.sendBuffer.push(()=>this.encode(e,t=>this.conn.send(t)))}makeRef(){let e=this.ref+1;return e===this.ref?this.ref=0:this.ref=e,this.ref.toString()}sendHeartbeat(){this.pendingHeartbeatRef&&!this.isConnected()||(this.pendingHeartbeatRef=this.makeRef(),this.push({topic:"combo",event:"heartbeat",payload:{},ref:this.pendingHeartbeatRef}),this.heartbeatTimeoutTimer=setTimeout(()=>this.heartbeatTimeout(),this.heartbeatIntervalMs))}flushSendBuffer(){this.isConnected()&&this.sendBuffer.length>0&&(this.sendBuffer.forEach(e=>e()),this.sendBuffer=[])}onConnMessage(e){this.decode(e.data,t=>{let{topic:s,event:n,payload:o,ref:r,join_ref:a}=t;r&&r===this.pendingHeartbeatRef&&(this.clearHeartbeats(),this.pendingHeartbeatRef=null,this.heartbeatTimer=setTimeout(()=>this.sendHeartbeat(),this.heartbeatIntervalMs)),this.hasLogger()&&this.log("receive",`${o.status||""} ${s} ${n} ${r&&"("+r+")"||""}`,o);for(let h=0;h<this.channels.length;h++){let l=this.channels[h];l.isMember(s,n,o,a)&&l.trigger(n,o,r,a)}for(let h=0;h<this.stateChangeCallbacks.message.length;h++){let[,l]=this.stateChangeCallbacks.message[h];l(t)}})}leaveOpenTopic(e){let t=this.channels.find(s=>s.topic===e&&(s.isJoined()||s.isJoining()));t&&(this.hasLogger()&&this.log("transport",`leaving duplicate topic "${e}"`),t.leave())}};var V=le(q(),1);function Q(i){let e=Math.round(Date.now()/1e3).toString(),t=i.replace(/(&|\?)vsn=\d*/,"");return t+(t.includes("?")?"&":"?")+"vsn="+e}function xe(i){let e=document.createElement("style"),t=()=>{i.parentNode!==null&&i.parentNode.removeChild(i)},n=(i.textContent||i.innerHTML).replace(/@import\s+(?:url\()?['"]?([^'"\)]+)['"]?\)?/g,(o,r)=>{let a=Q(r);return o.includes("url(")?`@import url("${a}")`:`@import "${a}"`});return e.onerror=t,e.onload=t,i.setAttribute("data-pending-removal",""),e.setAttribute("type","text/css"),e.textContent=n,i.parentNode.insertBefore(e,i.nextSibling),e}function Le(i){let e=document.createElement("link"),t=()=>{i.parentNode!==null&&i.parentNode.removeChild(i)};return e.onerror=t,e.onload=t,i.setAttribute("data-pending-removal",""),e.setAttribute("rel","stylesheet"),e.setAttribute("type","text/css"),e.setAttribute("href",Q(i.href)),i.parentNode.insertBefore(e,i.nextSibling),e}function Oe(){navigator.userAgent.toLowerCase().includes("chrome")&&setTimeout(()=>document.body.offsetHeight,25)}function Ne(i,e){let t={type:"full_reload",priority:9,fun:()=>{window[i].location.reload()}};return{css:e?t:{type:"hot_reload",priority:1,fun:()=>{let n=window.parent.document.querySelectorAll("link[rel=stylesheet]:not([data-no-reload]):not([data-pending-removal])");Array.from(n).filter(r=>r.href).forEach(r=>Le(r));let o=window.parent.document.querySelectorAll("style:not([data-no-reload]):not([data-pending-removal])");Array.from(o).filter(r=>r.textContent.includes("@import")).forEach(r=>xe(r)),Oe()}},__default__:t}}var $=class{constructor(e,t,s,n){this.enabledOnce=!1,this.reloadQueue=[],this.socket=new k(e),this.debouncedReload=(0,V.default)(this.reload,t),this.reloadStrategies=Ne(s,n),this.channel=this.socket.channel("combo:live_reload",{}),this.socket.onOpen(()=>{this.enabledOnce||(this.enabledOnce=!0,["complete","loaded","interactive"].includes(parent.document.readyState)?this.dispatchConnected():parent.addEventListener("load",()=>this.dispatchConnected()))}),this.channel.on("reload",o=>{let{type:r}=o;this.scheduleReload(r)})}enable(){this.channel.join(),this.socket.connect()}disable(){this.channel.leave(),this.socket.disconnect(),this.enabledOnce=!1,this.reloadQueue=[]}dispatchConnected(){parent.dispatchEvent(new CustomEvent("combo:live_reloader:connected",{detail:this}))}scheduleReload(e){this.reloadQueue.push(e),this.debouncedReload()}reload(){let t=this.reloadQueue.map(o=>this.getReloadStrategy(o)).reduce((o,r)=>r.priority>o.priority?r:o),{type:s,fun:n}=t;s=="full_reload"&&this.channel.off("reload"),n(),this.reloadQueue=[]}getReloadStrategy(e){return this.reloadStrategies[e]||this.reloadStrategies.__default__}},He=$;return ce(Be);})();
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