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vue-pure-admin/static/js/mqtt-client-ZGf0bolU.js

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var Re=Object.defineProperty,Be=Object.defineProperties;var Ne=Object.getOwnPropertyDescriptors;var me=Object.getOwnPropertySymbols;var Ee=Object.prototype.hasOwnProperty,Ce=Object.prototype.propertyIsEnumerable;var Se=(ie,oe,I)=>oe in ie?Re(ie,oe,{enumerable:!0,configurable:!0,writable:!0,value:I}):ie[oe]=I,be=(ie,oe)=>{for(var I in oe||(oe={}))Ee.call(oe,I)&&Se(ie,I,oe[I]);if(me)for(var I of me(oe))Ce.call(oe,I)&&Se(ie,I,oe[I]);return ie},ve=(ie,oe)=>Be(ie,Ne(oe));var Te=(ie,oe)=>{var I={};for(var z in ie)Ee.call(ie,z)&&oe.indexOf(z)<0&&(I[z]=ie[z]);if(ie!=null&&me)for(var z of me(ie))oe.indexOf(z)<0&&Ce.call(ie,z)&&(I[z]=ie[z]);return I};import{c as fe,d as Le,r as je,a as he,o as Ue,b as _e,e as ge,w as ee,f as J,g as pe,h as ce,i as xe,u as de,j as ae,t as Ae,k as Ie,l as Pe,F as Oe}from"./index-DMqaFtX4.js";import{c as we}from"./_commonjs-dynamic-modules-TDtrdbi3.js";var ke={exports:{}},Me;function qe(){return 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d=I("events").EventEmitter,u=I("./store"),i=I("./topic-alias-recv"),e=I("./topic-alias-send"),a=I("mqtt-packet"),n=I("./default-message-id-provider"),t=I("readable-stream").Writable,o=I("inherits"),f=I("reinterval"),l=I("rfdc/default"),h=I("./validations"),g=I("xtend"),c=I("debug")("mqttjs:client"),v=w?w.nextTick:function(k){setTimeout(k,0)},_=p.setImmediate||function(k){v(k)},E={keepalive:60,reschedulePings:!0,protocolId:"MQTT",protocolVersion:4,reconnectPeriod:1e3,connectTimeout:3e4,clean:!0,resubscribe:!0},T=["ECONNREFUSED","EADDRINUSE","ECONNRESET","ENOTFOUND"],S={0:"",1:"Unacceptable protocol version",2:"Identifier rejected",3:"Server unavailable",4:"Bad username or password",5:"Not authorized",16:"No matching subscribers",17:"No subscription existed",128:"Unspecified error",129:"Malformed Packet",130:"Protocol Error",131:"Implementation specific error",132:"Unsupported Protocol Version",133:"Client Identifier not valid",134:"Bad User Name or Password",135:"Not authorized",136:"Server unavailable",137:"Server busy",138:"Banned",139:"Server shutting down",140:"Bad authentication method",141:"Keep Alive timeout",142:"Session taken over",143:"Topic Filter invalid",144:"Topic Name invalid",145:"Packet identifier in use",146:"Packet Identifier not found",147:"Receive Maximum exceeded",148:"Topic Alias invalid",149:"Packet too large",150:"Message rate too high",151:"Quota exceeded",152:"Administrative action",153:"Payload format invalid",154:"Retain not supported",155:"QoS not supported",156:"Use another server",157:"Server moved",158:"Shared Subscriptions not supported",159:"Connection rate exceeded",160:"Maximum connect time",161:"Subscription Identifiers not supported",162:"Wildcard Subscriptions not supported"};function F(k,A){let N;A.properties&&(N=A.properties.topicAlias);let L=A.topic.toString();if(L.length===0){if(N===void 0)return new Error("Unregistered Topic Alias");if((L=k.topicAliasSend.getTopicByAlias(N))===void 0)return new Error("Unregistered Topic Alias");A.topic=L}N&&delete A.properties.topicAlias}function W(k,A,N){c("sendPacket :: packet: %O",A),c("sendPacket :: emitting `packetsend`"),k.emit("packetsend",A),c("sendPacket :: writing to stream");const L=a.writeToStream(A,k.stream,k.options);c("sendPacket :: writeToStream result %s",L),!L&&N&&N!==y?(c("sendPacket :: handle events on `drain` once through callback."),k.stream.once("drain",N)):N&&(c("sendPacket :: invoking cb"),N())}function m(k,A,N,L){c("storeAndSend :: store packet with cmd %s to outgoingStore",A.cmd);let B,P=A;if(P.cmd==="publish"&&(P=l(A),B=F(k,P)))return N&&N(B);k.outgoingStore.put(P,function(M){if(M)return N&&N(M);L(),W(k,A,N)})}function y(k){c("nop ::",k)}function C(k,A){let N;const L=this;if(!(this instanceof C))return new C(k,A);for(N in this.options=A||{},E)this.options[N]===void 0?this.options[N]=E[N]:this.options[N]=A[N];c("MqttClient :: options.protocol",A.protocol),c("MqttClient :: options.protocolVersion",A.protocolVersion),c("MqttClient :: options.username",A.username),c("MqttClient :: options.keepalive",A.keepalive),c("MqttClient :: options.reconnectPeriod",A.reconnectPeriod),c("MqttClient :: options.rejectUnauthorized",A.rejectUnauthorized),c("MqttClient :: options.topicAliasMaximum",A.topicAliasMaximum),this.options.clientId=typeof A.clientId=="string"?A.clientId:"mqttjs_"+Math.random().toString(16).substr(2,8),c("MqttClient :: clientId",this.options.clientId),this.options.customHandleAcks=A.protocolVersion===5&&A.customHandleAcks?A.customHandleAcks:function(){arguments[3](0)},this.streamBuilder=k,this.messageIdProvider=this.options.messageIdProvider===void 0?new n:this.options.messageIdProvider,this.outgoingStore=A.outgoingStore||new u,this.incomingStore=A.incomingStore||new u,this.queueQoSZero=A.queueQoSZero===void 0||A.queueQoSZero,this._resubscribeTopics={},this.messageIdToTopic={},this.pingTimer=null,this.connected=!1,this.disconnecting=!1,this.queue=[],this.connackTimer=null,this.reconnectTimer=null,this._storeProcessing=!1,this._packetIdsDuringStoreProcessing={},this._storeProcessingQueue=[],this.outgoing={},this._firstConnection=!0,A.topicAliasMaximum>0&&(A.topicAliasMaximum>65535?c("MqttClient :: options.topicAliasMaximum is out of range"):this.topicAliasRecv=new i(A.topicAliasMaximum)),this.on("connect",function(){const B=this.queue;c("connect :: sending queued packets"),function P(){const M=B.shift();c("deliver :: entry %o",M);let R=null;if(!M)return void L._resubscribe();R=M.packet,c("deliver :: call _sendPacket for %o",R);let O=!0;R.messageId&&R.messageId!==0&&(L.messageIdProvider.register(R.messageId)||(O=!1)),O?L._sendPacket(R,function(U){M.cb&&M.cb(U),P()}):(c("messageId: %d has already used. The message is skipped and removed.",R.messageId),P())}()}),this.on("close",function(){c("close :: connected set to `false`"),this.connected=!1,c("close :: clearing connackTimer"),clearTimeout(this.connackTimer),c("close :: clearing ping timer"),L.pingTimer!==null&&(L.pingTimer.clear(),L.pingTimer=null),this.topicAliasRecv&&this.topicAliasRecv.clear(),c("close :: calling _setupReconnect"),this._setupReconnect()}),d.call(this),c("MqttClient :: setting up stream"),this._setupStream()}o(C,d),C.prototype._setupStream=function(){const k=this,A=new t,N=a.parser(this.options);let L=null;const B=[];function P(){if(B.length)v(M);else{const O=L;L=null,O()}}function M(){c("work :: getting next packet in queue");const O=B.shift();if(O)c("work :: packet pulled from queue"),k._handlePacket(O,P);else{c("work :: no packets in queue");const U=L;L=null,c("work :: done flag is %s",!!U),U&&U()}}c("_setupStream :: calling method to clear reconnect"),this._clearReconnect(),c("_setupStream :: using streamBuilder provided to client to create stream"),this.stream=this.streamBuilder(this),N.on("packet",function(O){c("parser :: on packet push to packets array."),B.push(O)}),A._write=function(O,U,H){L=H,c("writable stream :: parsing buffer"),N.parse(O),M()},c("_setupStream :: pipe stream to writable stream"),this.stream.pipe(A),this.stream.on("error",function(O){c("streamErrorHandler :: error",O.message),T.includes(O.code)?(c("streamErrorHandler :: emitting error"),k.emit("error",O)):y(O)}),this.stream.on("close",function(){var O;c("(%s)stream :: on close",k.options.clientId),(O=k.outgoing)&&(c("flushVolatile :: deleting volatile messages from the queue and setting their callbacks as error function"),Object.keys(O).forEach(function(U){O[U].volatile&&typeof O[U].cb=="function"&&(O[U].cb(new Error("Connection closed")),delete O[U])})),c("stream: emit close to MqttClient"),k.emit("close")}),c("_setupStream: sending packet `connect`");const R=Object.create(this.options);if(R.cmd="connect",this.topicAliasRecv&&(R.properties||(R.properties={}),this.topicAliasRecv&&(R.properties.topicAliasMaximum=this.topicAliasRecv.max)),W(this,R),N.on("error",this.emit.bind(this,"error")),this.options.properties){if(!this.options.properties.authenticationMethod&&this.options.properties.authenticationData)return k.end(()=>this.emit("error",new Error("Packet has no Authentication Method"))),this;this.options.properties.authenticationMethod&&this.options.authPacket&&typeof this.options.authPacket=="object"&&W(this,g({cmd:"auth",reasonCode:0},this.options.authPacket))}this.stream.setMaxListeners(1e3),clearTimeout(this.connackTimer),this.connackTimer=setTimeout(function(){c("!!connectTimeout hit!! Calling _cleanUp with force `true`"),k._cleanUp(!0)},this.options.connectTimeout)},C.prototype._handlePacket=function(k,A){const N=this.options;if(N.protocolVersion===5&&N.properties&&N.properties.maximumPacketSize&&N.properties.maximumPacketSize<k.length)return this.emit("error",new Error("exceeding packets size "+k.cmd)),this.end({reasonCode:149,properties:{reasonString:"Maximum packet size was exceeded"}}),this;switch(c("_handlePacket :: emitting packetreceive"),this.emit("packetreceive",k),k.cmd){case"publish":this._handlePublish(k,A);break;case"puback":case"pubrec":case"pubcomp":case"suback":case"unsuback":this._handleAck(k),A();break;case"pubrel":this._handlePubrel(k,A);break;case"connack":this._handleConnack(k),A();break;case"auth":this._handleAuth(k),A();break;case"pingresp":this._handlePingresp(k),A();break;case"disconnect":this._handleDisconnect(k),A()}},C.prototype._checkDisconnecting=function(k){return this.disconnecting&&(k&&k!==y?k(new Error("client disconnecting")):this.emit("error",new Error("client disconnecting"))),this.disconnecting},C.prototype.publish=function(k,A,N,L){c("publish :: message `%s` to topic `%s`",A,k);const B=this.options;if(typeof N=="function"&&(L=N,N=null),N=g({qos:0,retain:!1,dup:!1},N),this._checkDisconnecting(L))return this;const P=this,M=function(){let R=0;if((N.qos===1||N.qos===2)&&(R=P._nextId())===null)return c("No messageId left"),!1;const O={cmd:"publish",topic:k,payload:A,qos:N.qos,retain:N.retain,messageId:R,dup:N.dup};switch(B.protocolVersion===5&&(O.properties=N.properties),c("publish :: qos",N.qos),N.qos){case 1:case 2:P.outgoing[O.messageId]={volatile:!1,cb:L||y},c("MqttClient:publish: packet cmd: %s",O.cmd),P._sendPacket(O,void 0,N.cbStorePut);break;default:c("MqttClient:publish: packet cmd: %s",O.cmd),P._sendPacket(O,L,N.cbStorePut)}return!0};return(this._storeProcessing||this._storeProcessingQueue.length>0||!M())&&this._storeProcessingQueue.push({invoke:M,cbStorePut:N.cbStorePut,callback:L}),this},C.prototype.subscribe=function(){const k=this,A=new Array(arguments.length);for(let V=0;V<arguments.length;V++)A[V]=arguments[V];const N=[];let L=A.shift();const B=L.resubscribe;let P=A.pop()||y,M=A.pop();const R=this.options.protocolVersion;delete L.resubscribe,typeof L=="string"&&(L=[L]),typeof P!="function"&&(M=P,P=y);const O=h.validateTopics(L);if(O!==null)return _(P,new Error("Invalid topic "+O)),this;if(this._checkDisconnecting(P))return c("subscribe: discconecting true"),this;const U={qos:0};if(R===5&&(U.nl=!1,U.rap=!1,U.rh=0),M=g(U,M),Array.isArray(L)?L.forEach(function(V){if(c("subscribe: array topic %s",V),!Object.prototype.hasOwnProperty.call(k._resubscribeTopics,V)||k._resubscribeTopics[V].qos<M.qos||B){const K={topic:V,qos:M.qos};R===5&&(K.nl=M.nl,K.rap=M.rap,K.rh=M.rh,K.properties=M.properties),c("subscribe: pushing topic `%s` and qos `%s` to subs list",K.topic,K.qos),N.push(K)}}):Object.keys(L).forEach(function(V){if(c("subscribe: object topic %s",V),!Object.prototype.hasOwnProperty.call(k._resubscribeTopics,V)||k._resubscribeTopics[V].qos<L[V].qos||B){const K={topic:V,qos:L[V].qos};R===5&&(K.nl=L[V].nl,K.rap=L[V].rap,K.rh=L[V].rh,K.properties=M.properties),c("subscribe: pushing `%s` to subs list",K),N.push(K)}}),!N.length)return P(null,[]),this;const H=function(){const V=k._nextId();if(V===null)return c("No messageId left"),!1;const K={cmd:"subscribe",subscriptions:N,qos:1,retain:!1,dup:!1,messageId:V};if(M.properties&&(K.properties=M.properties),k.options.resubscribe){c("subscribe :: resubscribe true");const $=[];N.forEach(function(G){if(k.options.reconnectPeriod>0){const r={qos:G.qos};R===5&&(r.nl=G.nl||!1,r.rap=G.rap||!1,r.rh=G.rh||0,r.properties=G.properties),k._resubscribeTopics[G.topic]=r,$.push(G.topic)}}),k.messageIdToTopic[K.messageId]=$}return k.outgoing[K.messageId]={volatile:!0,cb:function($,G){if(!$){const r=G.granted;for(let s=0;s<r.length;s+=1)N[s].qos=r[s]}P($,N)}},c("subscribe :: call _sendPacket"),k._sendPacket(K),!0};return(this._storeProcessing||this._storeProcessingQueue.length>0||!H())&&this._storeProcessingQueue.push({invoke:H,callback:P}),this},C.prototype.unsubscribe=function(){const k=this,A=new Array(arguments.length);for(let R=0;R<arguments.length;R++)A[R]=arguments[R];let N=A.shift(),L=A.pop()||y,B=A.pop();typeof N=="string"&&(N=[N]),typeof L!="function"&&(B=L,L=y);const P=h.validateTopics(N);if(P!==null)return _(L,new Error("Invalid topic "+P)),this;if(k._checkDisconnecting(L))return this;const M=function(){const R=k._nextId();if(R===null)return c("No messageId left"),!1;const O={cmd:"unsubscribe",qos:1,messageId:R};return typeof N=="string"?O.unsubscriptions=[N]:Array.isArray(N)&&(O.unsubscriptions=N),k.options.resubscribe&&O.unsubscriptions.forEach(function(U){delete k._resubscribeTopics[U]}),typeof B=="object"&&B.properties&&(O.properties=B.properties),k.outgoing[O.messageId]={volatile:!0,cb:L},c("unsubscribe: call _sendPacket"),k._sendPacket(O),!0};return(this._storeProcessing||this._storeProcessingQueue.length>0||!M())&&this._storeProcessingQueue.push({invoke:M,callback:L}),this},C.prototype.end=function(k,A,N){const L=this;function B(){c("end :: (%s) :: finish :: calling _cleanUp with force %s",L.options.clientId,k),L._cleanUp(k,()=>{c("end :: finish :: calling process.nextTick on closeStores"),v(function(){c("end :: closeStores: closing incoming and outgoing stores"),L.disconnected=!0,L.incomingStore.close(function(P){L.outgoingStore.close(function(M){if(c("end :: closeStores: emitting end"),L.emit("end"),N){const R=P||M;c("end :: closeStores: invoking callback with args"),N(R)}})}),L._deferredReconnect&&L._deferredReconnect()}.bind(L))},A)}return c("end :: (%s)",this.options.clientId),k!=null&&typeof k=="boolean"||(N=A||y,A=k,k=!1,typeof A!="object"&&(N=A,A=null,typeof N!="function"&&(N=y))),typeof A!="object"&&(N=A,A=null),c("end :: cb? %s",!!N),N=N||y,this.disconnecting?(N(),this):(this._clearReconnect(),this.disconnecting=!0,!k&&Object.keys(this.outgoing).length>0?(c("end :: (%s) :: calling finish in 10ms once outgoing is empty",L.options.clientId),this.once("outgoingEmpty",setTimeout.bind(null,B,10))):(c("end :: (%s) :: immediately calling finish",L.options.clientId),B()),this)},C.prototype.removeOutgoingMessage=function(k){const A=this.outgoing[k]?this.outgoing[k].cb:null;return delete this.outgoing[k],this.outgoingStore.del({messageId:k},function(){A(new Error("Message removed"))}),this},C.prototype.reconnect=function(k){c("client reconnect");const A=this,N=function(){k?(A.options.incomingStore=k.incomingStore,A.options.outgoingStore=k.outgoingStore):(A.options.incomingStore=null,A.options.outgoingStore=null),A.incomingStore=A.options.incomingStore||new u,A.outgoingStore=A.options.outgoingStore||new u,A.disconnecting=!1,A.disconnected=!1,A._deferredReconnect=null,A._reconnect()};return this.disconnecting&&!this.disconnected?this._deferredReconnect=N:N(),this},C.prototype._reconnect=function(){c("_reconnect: emitting reconnect to client"),this.emit("reconnect"),this.connected?(this.end(()=>{this._setupStream()}),c("client already connected. disconnecting first.")):(c("_reconnect: calling _setupStream"),this._setupStream())},C.prototype._setupReconnect=function(){const k=this;!k.disconnecting&&!k.reconnectTimer&&k.options.reconnectPeriod>0?(this.reconnecting||(c("_setupReconnect :: emit `offline` state"),this.emit("offline"),c("_setupReconnect :: set `reconnecting` to `true`"),this.reconnecting=!0),c("_setupReconnect :: setting reconnectTimer for %d ms",k.options.reconnectPeriod),k.reconnectTimer=setInterval(function(){c("reconnectTimer :: reconnect triggered!"),k._reconnect()},k.options.reconnectPeriod)):c("_setupReconnect :: doing nothing...")},C.prototype._clearReconnect=function(){c("_clearReconnect : clearing reconnect timer"),this.reconnectTimer&&(clearInterval(this.reconnectTimer),this.reconnectTimer=null)},C.prototype._cleanUp=function(k,A){const N=arguments[2];if(A&&(c("_cleanUp :: done callback provided for on stream close"),this.stream.on("close",A)),c("_cleanUp :: forced? %s",k),k)this.options.reconnectPeriod===0&&this.options.clean&&(L=this.outgoing)&&(c("flush: queue exists? %b",!!L),Object.keys(L).forEach(function(B){typeof L[B].cb=="function"&&(L[B].cb(new Error("Connection closed")),delete L[B])})),c("_cleanUp :: (%s) :: destroying stream",this.options.clientId),this.stream.destroy();else{const B=g({cmd:"disconnect"},N);c("_cleanUp :: (%s) :: call _sendPacket with disconnect packet",this.options.clientId),this._sendPacket(B,_.bind(null,this.stream.end.bind(this.stream)))}var L;this.disconnecting||(c("_cleanUp :: client not disconnecting. Clearing and resetting reconnect."),this._clearReconnect(),this._setupReconnect()),this.pingTimer!==null&&(c("_cleanUp :: clearing pingTimer"),this.pingTimer.clear(),this.pingTimer=null),A&&!this.connected&&(c("_cleanUp :: (%s) :: removing stream `done` callback `close` listener",this.options.clientId),this.stream.removeListener("close",A),A())},C.prototype._sendPacket=function(k,A,N){c("_sendPacket :: (%s) :: start",this.options.clientId),N=N||y,A=A||y;const L=function(B,P){if(B.options.protocolVersion===5&&P.cmd==="publish"){let M;P.properties&&(M=P.properties.topicAlias);const R=P.topic.toString();if(B.topicAliasSend)if(M){if(R.length!==0&&(c("applyTopicAlias :: register topic: %s - alias: %d",R,M),!B.topicAliasSend.put(R,M)))return c("applyTopicAlias :: error out of range. topic: %s - alias: %d",R,M),new Error("Sending Topic Alias out of range")}else R.length!==0&&(B.options.autoAssignTopicAlias?(M=B.topicAliasSend.getAliasByTopic(R))?(P.topic="",P.properties=ve(be({},P.properties),{topicAlias:M}),c("applyTopicAlias :: auto assign(use) topic: %s - alias: %d",R,M)):(M=B.topicAliasSend.getLruAlias(),B.topicAliasSend.put(R,M),P.properties=ve(be({},P.properties),{topicAlias:M}),c("applyTopicAlias :: auto assign topic: %s - alias: %d",R,M)):B.options.autoUseTopicAlias&&(M=B.topicAliasSend.getAliasByTopic(R))&&(P.topic="",P.properties=ve(be({},P.properties),{topicAlias:M}),c("applyTopicAlias :: auto use topic: %s - alias: %d",R,M)));else if(M)return c("applyTopicAlias :: error out of range. topic: %s - alias: %d",R,M),new Error("Sending Topic Alias out of range")}}(this,k);if(L)A(L);else{if(!this.connected)return k.cmd==="auth"?(this._shiftPingInterval(),void W(this,k,A)):(c("_sendPacket :: client not connected. Storing packet offline."),void this._storePacket(k,A,N));switch(this._shiftPingInterval(),k.cmd){case"publish":break;case"pubrel":return void m(this,k,A,N);default:return void W(this,k,A)}switch(k.qos){case 2:case 1:m(this,k,A,N);break;case 0:default:W(this,k,A)}c("_sendPacket :: (%s) :: end",this.options.clientId)}},C.prototype._storePacket=function(k,A,N){c("_storePacket :: packet: %o",k),c("_storePacket :: cb? %s",!!A),N=N||y;let L=k;if(L.cmd==="publish"){const B=F(this,L=l(k));if(B)return A&&A(B)}(L.qos||0)===0&&this.queueQoSZero||L.cmd!=="publish"?this.queue.push({packet:L,cb:A}):L.qos>0?(A=this.outgoing[L.messageId]?this.outgoing[L.messageId].cb:null,this.outgoingStore.put(L,function(B){if(B)return A&&A(B);N()})):A&&A(new Error("No connection to broker"))},C.prototype._setupPingTimer=function(){c("_setupPingTimer :: keepalive %d (seconds)",this.options.keepalive);const k=this;!this.pingTimer&&this.options.keepalive&&(this.pingResp=!0,this.pingTimer=f(function(){k._checkPing()},1e3*this.options.keepalive))},C.prototype._shiftPingInterval=function(){this.pingTimer&&this.options.keepalive&&this.options.reschedulePings&&this.pingTimer.reschedule(1e3*this.options.keepalive)},C.prototype._checkPing=function(){c("_checkPing :: checking ping..."),this.pingResp?(c("_checkPing :: ping response received. Clearing flag and sending `pingreq`"),this.pingResp=!1,this._sendPacket({cmd:"pingreq"})):(c("_checkPing :: calling _cleanUp with force true"),this._cleanUp(!0))},C.prototype._handlePingresp=function(){this.pingResp=!0},C.prototype._handleConnack=function(k){c("_handleConnack");const A=this.options,N=A.protocolVersion===5?k.reasonCode:k.returnCode;if(clearTimeout(this.connackTimer),delete this.topicAliasSend,k.properties){if(k.properties.topicAliasMaximum){if(k.properties.topicAliasMaximum>65535)return void this.emit("error",new Error("topicAliasMaximum from broker is out of range"));k.properties.topicAliasMaximum>0&&(this.topicAliasSend=new e(k.properties.topicAliasMaximum))}k.properties.serverKeepAlive&&A.keepalive&&(A.keepalive=k.properties.serverKeepAlive,this._shiftPingInterval()),k.properties.maximumPacketSize&&(A.properties||(A.properties={}),A.properties.maximumPacketSize=k.properties.maximumPacketSize)}if(N===0)this.reconnecting=!1,this._onConnect(k);else if(N>0){const L=new Error("Connection refused: "+S[N]);L.code=N,this.emit("error",L)}},C.prototype._handleAuth=function(k){const A=this.options.protocolVersion,N=A===5?k.reasonCode:k.returnCode;if(A!==5){const B=new Error("Protocol error: Auth packets are only supported in MQTT 5. Your version:"+A);return B.code=N,void this.emit("error",B)}const L=this;this.handleAuth(k,function(B,P){if(B)L.emit("error",B);else if(N===24)L.reconnecting=!1,L._sendPacket(P);else{const M=new Error("Connection refused: "+S[N]);B.code=N,L.emit("error",M)}})},C.prototype.handleAuth=function(k,A){A()},C.prototype._handlePublish=function(k,A){c("_handlePublish: packet %o",k),A=A!==void 0?A:y;let N=k.topic.toString();const L=k.payload,B=k.qos,P=k.messageId,M=this,R=this.options,O=[0,16,128,131,135,144,145,151,153];if(this.options.protocolVersion===5){let U;if(k.properties&&(U=k.properties.topicAlias),U!==void 0)if(N.length===0){if(!(U>0&&U<=65535))return c("_handlePublish :: topic alias out of range. alias: %d",U),void this.emit("error",new Error("Received Topic Alias is out of range"));{const H=this.topicAliasRecv.getTopicByAlias(U);if(!H)return c("_handlePublish :: unregistered topic alias. alias: %d",U),void this.emit("error",new Error("Received unregistered Topic Alias"));c("_handlePublish :: topic complemented by alias. topic: %s - alias: %d",N=H,U)}}else{if(!this.topicAliasRecv.put(N,U))return c("_handlePublish :: topic alias out of range. alias: %d",U),void this.emit("error",new Error("Received Topic Alias is out of range"));c("_handlePublish :: registered topic: %s - alias: %d",N,U)}}switch(c("_handlePublish: qos %d",B),B){case 2:R.customHandleAcks(N,L,k,function(U,H){return U instanceof Error||(H=U,U=null),U?M.emit("error",U):O.indexOf(H)===-1?M.emit("error",new Error("Wrong reason code for pubrec")):void(H?M._sendPacket({cmd:"pubrec",messageId:P,reasonCode:H},A):M.incomingStore.put(k,function(){M._sendPacket({cmd:"pubrec",messageId:P},A)}))});break;case 1:R.customHandleAcks(N,L,k,function(U,H){return U instanceof Error||(H=U,U=null),U?M.emit("error",U):O.indexOf(H)===-1?M.emit("error",new Error("Wrong reason code for puback")):(H||M.emit("message",N,L,k),void M.handleMessage(k,function(V){if(V)return A&&A(V);M._sendPacket({cmd:"puback",messageId:P,reasonCode:H},A)}))});break;case 0:this.emit("message",N,L,k),this.handleMessage(k,A);break;default:c("_handlePublish: unknown QoS. Doing nothing.")}},C.prototype.handleMessage=function(k,A){A()},C.prototype._handleAck=function(k){const A=k.messageId,N=k.cmd;let L=null;const B=this.outgoing[A]?this.outgoing[A].cb:null,P=this;let M;if(B){switch(c("_handleAck :: packet type",N),N){case"pubcomp":case"puback":{const R=k.reasonCode;R&&R>0&&R!==16&&((M=new Error("Publish error: "+S[R])).code=R,B(M,k)),delete this.outgoing[A],this.outgoingStore.del(k,B),this.messageIdProvider.deallocate(A),this._invokeStoreProcessingQueue();break}case"pubrec":{L={cmd:"pubrel",qos:2,messageId:A};const R=k.reasonCode;R&&R>0&&R!==16?((M=new Error("Publish error: "+S[R])).code=R,B(M,k)):this._sendPacket(L);break}case"suback":delete this.outgoing[A],this.messageIdProvider.deallocate(A);for(let R=0;R<k.granted.length;R++)if((128&k.granted[R])!=0){const O=this.messageIdToTopic[A];O&&O.forEach(function(U){delete P._resubscribeTopics[U]})}this._invokeStoreProcessingQueue(),B(null,k);break;case"unsuback":delete this.outgoing[A],this.messageIdProvider.deallocate(A),this._invokeStoreProcessingQueue(),B(null);break;default:P.emit("error",new Error("unrecognized packet type"))}this.disconnecting&&Object.keys(this.outgoing).length===0&&this.emit("outgoingEmpty")}else c("_handleAck :: Server sent an ack in error. Ignoring.")},C.prototype._handlePubrel=function(k,A){c("handling pubrel packet"),A=A!==void 0?A:y;const N=this,L={cmd:"pubcomp",messageId:k.messageId};N.incomingStore.get(k,function(B,P){B?N._sendPacket(L,A):(N.emit("message",P.topic,P.payload,P),N.handleMessage(P,function(M){if(M)return A(M);N.incomingStore.del(P,y),N._sendPacket(L,A)}))})},C.prototype._handleDisconnect=function(k){this.emit("disconnect",k)},C.prototype._nextId=function(){return this.messageIdProvider.allocate()},C.prototype.getLastMessageId=function(){return this.messageIdProvider.getLastAllocated()},C.prototype._resubscribe=function(){c("_resubscribe");const k=Object.keys(this._resubscribeTopics);if(!this._firstConnection&&(this.options.clean||this.options.protocolVersion===5&&!this.connackPacket.sessionPresent)&&k.length>0)if(this.options.resubscribe)if(this.options.protocolVersion===5){c("_resubscribe: protocolVersion 5");for(let A=0;A<k.length;A++){const N={};N[k[A]]=this._resubscribeTopics[k[A]],N.resubscribe=!0,this.subscribe(N,{properties:N[k[A]].properties})}}else this._resubscribeTopics.resubscribe=!0,this.subscribe(this._resubscribeTopics);else this._resubscribeTopics={};this._firstConnection=!1},C.prototype._onConnect=function(k){if(this.disconnected)return void this.emit("connect",k);const A=this;this.connackPacket=k,this.messageIdProvider.clear(),this._setupPingTimer(),this.connected=!0,function N(){let L=A.outgoingStore.createStream();function B(){A._storeProcessing=!1,A._packetIdsDuringStoreProcessing={}}function P(){L.destroy(),L=null,A._flushStoreProcessingQueue(),B()}A.once("close",P),L.on("error",function(M){B(),A._flushStoreProcessingQueue(),A.removeListener("close",P),A.emit("error",M)}),L.on("end",function(){let M=!0;for(const R in A._packetIdsDuringStoreProcessing)if(!A._packetIdsDuringStoreProcessing[R]){M=!1;break}M?(B(),A.removeListener("close",P),A._invokeAllStoreProcessingQueue(),A.emit("connect",k)):N()}),function M(){if(!L)return;A._storeProcessing=!0;const R=L.read(1);let O;R?A._packetIdsDuringStoreProcessing[R.messageId]?M():A.disconnecting||A.reconnectTimer?L.destroy&&L.destroy():(O=A.outgoing[R.messageId]?A.outgoing[R.messageId].cb:null,A.outgoing[R.messageId]={volatile:!1,cb:function(U,H){O&&O(U,H),M()}},A._packetIdsDuringStoreProcessing[R.messageId]=!0,A.messageIdProvider.register(R.messageId)?A._sendPacket(R):c("messageId: %d has already used.",R.messageId)):L.once("readable",M)}()}()},C.prototype._invokeStoreProcessingQueue=function(){if(this._storeProcessingQueue.length>0){const k=this._storeProcessingQueue[0];if(k&&k.invoke())return this._storeProcessingQueue.shift(),!0}return!1},C.prototype._invokeAllStoreProcessingQueue=function(){for(;this._invokeStoreProcessingQueue(););},C.prototype._flushStoreProcessingQueue=function(){for(const k of this._storeProcessingQueue)k.cbStorePut&&k.cbStorePut(new Error("Connection closed")),k.callback&&k.callback(new Error("Connection closed"));this._storeProcessingQueue.splice(0)},z.exports=C}).call(this)}).call(this,I("_process"),typeof fe!="undefined"?fe:typeof self!="undefined"?self:typeof window!="undefined"?window:{})},{"./default-message-id-provider":7,"./store":8,"./topic-alias-recv":9,"./topic-alias-send":10,"./validations":11,_process:50,debug:18,events:22,inherits:24,"mqtt-packet":40,"readable-stream":69,reinterval:70,"rfdc/default":71,xtend:81}],2:[function(I,z,q){const{Buffer:w}=I("buffer"),p=I("readable-stream").Transform,d=I("duplexify");let u,i,e,a=!1;z.exports=function(n,t){if(t.hostname=t.hostname||t.host,!t.hostname)throw new Error("Could not determine host. 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Specify host manually.");const t=n.protocolId==="MQIsdp"&&n.protocolVersion===3?"mqttv3.1":"mqtt";(function(l){l.hostname||(l.hostname="localhost"),l.path||(l.path="/"),l.wsOptions||(l.wsOptions={})})(n);const o=function(l,h){const g=l.protocol==="wxs"?"wss":"ws";let c=g+"://"+l.hostname+l.path;return l.port&&l.port!==80&&l.port!==443&&(c=g+"://"+l.hostname+":"+l.port+l.path),typeof l.transformWsUrl=="function"&&(c=l.transformWsUrl(c,l,h)),c}(n,a);u=wx.connectSocket({url:o,protocols:[t]}),i=function(){const l=new p;return l._write=function(h,g,c){u.send({data:h.buffer,success:function(){c()},fail:function(v){c(new Error(v))}})},l._flush=function(h){u.close({success:function(){h()}})},l}(),(e=d.obj())._destroy=function(l,h){u.close({success:function(){h&&h(l)}})};const f=e.destroy;return e.destroy=function(){e.destroy=f;const l=this;setTimeout(function(){u.close({fail:function(){l._destroy(new Error)}})},0)}.bind(e),u.onOpen(function(){e.setReadable(i),e.setWritable(i),e.emit("connect")}),u.onMessage(function(l){let h=l.data;h=h instanceof ArrayBuffer?w.from(h):w.from(h,"utf8"),i.push(h)}),u.onClose(function(){e.end(),e.destroy()}),u.onError(function(l){e.destroy(new Error(l.errMsg))}),e}},{buffer:17,duplexify:20,"readable-stream":69}],7:[function(I,z,q){function w(){if(!(this instanceof w))return new w;this.nextId=Math.max(1,Math.floor(65535*Math.random()))}w.prototype.allocate=function(){const p=this.nextId++;return this.nextId===65536&&(this.nextId=1),p},w.prototype.getLastAllocated=function(){return this.nextId===1?65535:this.nextId-1},w.prototype.register=function(p){return!0},w.prototype.deallocate=function(p){},w.prototype.clear=function(){},z.exports=w},{}],8:[function(I,z,q){const w=I("xtend"),p=I("readable-stream").Readable,d={objectMode:!0},u={clean:!0};function i(e){if(!(this instanceof i))return new i(e);this.options=e||{},this.options=w(u,e),this._inflights=new Map}i.prototype.put=function(e,a){return this._inflights.set(e.messageId,e),a&&a(),this},i.prototype.createStream=function(){const e=new p(d),a=[];let n=!1,t=0;return this._inflights.forEach(function(o,f){a.push(o)}),e._read=function(){!n&&t<a.length?this.push(a[t++]):this.push(null)},e.destroy=function(){if(n)return;const o=this;n=!0,setTimeout(function(){o.emit("close")},0)},e},i.prototype.del=function(e,a){return(e=this._inflights.get(e.messageId))?(this._inflights.delete(e.messageId),a(null,e)):a&&a(new Error("missing packet")),this},i.prototype.get=function(e,a){return(e=this._inflights.get(e.messageId))?a(null,e):a&&a(new Error("missing packet")),this},i.prototype.close=function(e){this.options.clean&&(this._inflights=null),e&&e()},z.exports=i},{"readable-stream":69,xtend:81}],9:[function(I,z,q){function w(p){if(!(this instanceof w))return new w(p);this.aliasToTopic={},this.max=p}w.prototype.put=function(p,d){return!(d===0||d>this.max)&&(this.aliasToTopic[d]=p,this.length=Object.keys(this.aliasToTopic).length,!0)},w.prototype.getTopicByAlias=function(p){return this.aliasToTopic[p]},w.prototype.clear=function(){this.aliasToTopic={}},z.exports=w},{}],10:[function(I,z,q){const w=I("lru-cache"),p=I("number-allocator").NumberAllocator;function d(u){if(!(this instanceof d))return new d(u);u>0&&(this.aliasToTopic=new w({max:u}),this.topicToAlias={},this.numberAllocator=new p(1,u),this.max=u,this.length=0)}d.prototype.put=function(u,i){if(i===0||i>this.max)return!1;const e=this.aliasToTopic.get(i);return e&&delete this.topicToAlias[e],this.aliasToTopic.set(i,u),this.topicToAlias[u]=i,this.numberAllocator.use(i),this.length=this.aliasToTopic.length,!0},d.prototype.getTopicByAlias=function(u){return this.aliasToTopic.get(u)},d.prototype.getAliasByTopic=function(u){const i=this.topicToAlias[u];return i!==void 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t[n-1]},this.forEach=function(o){t.forEach(o)},this.getElementByPos=function(o){if(o<0||o>=n)throw new Error("pos must more than 0 and less than vector's size");return t[o]},this.eraseElementByPos=function(o){if(o<0||o>=n)throw new Error("pos must more than 0 and less than vector's size");for(var f=o;f<n-1;++f)t[f]=t[f+1];this.popBack()},this.eraseElementByValue=function(o){var f=[];this.forEach(function(h){h!==o&&f.push(h)}),f.forEach(function(h,g){t[g]=h});for(var l=f.length;n>l;)this.popBack()},this.pushBack=function(o){t.push(o),++n},this.popBack=function(){t.pop(),n>0&&--n},this.setElementByPos=function(o,f){if(o<0||o>=n)throw new Error("pos must more than 0 and less than vector's size");t[o]=f},this.insert=function(o,f,l){if(l===void 0&&(l=1),o<0||o>n)throw new Error("pos must more than 0 and less than or equal to vector's size");t.splice.apply(t,d([o,0],p(new Array(l).fill(f)),!1)),n+=l},this.find=function(o){return t.includes(o)},this.reverse=function(){t.reverse()},this.unique=function(){var o,f=[];this.forEach(function(h,g){g!==0&&h===o||(f.push(h),o=h)}),f.forEach(function(h,g){t[g]=h});for(var l=f.length;n>l;)this.popBack()},this.sort=function(o){t.sort(o)},this[Symbol.iterator]=function(){return function(){return w(this,function(o){switch(o.label){case 0:return[5,u(t)];case 1:return[2,o.sent()]}})}()},e.forEach(function(o){return a.pushBack(o)}),Object.freeze(this)}Object.defineProperty(q,"__esModule",{value:!0}),Object.freeze(i),q.default=i},{}],36:[function(I,z,q){Object.defineProperty(q,"__esModule",{value:!0}),q.HashMap=q.HashSet=q.Map=q.Set=q.PriorityQueue=q.Deque=q.LinkList=q.Queue=q.Stack=q.Vector=void 0;var w=I("./Vector/Vector");q.Vector=w.default;var p=I("./Stack/Stack");q.Stack=p.default;var d=I("./Queue/Queue");q.Queue=d.default;var u=I("./LinkList/LinkList");q.LinkList=u.default;var i=I("./Deque/Deque");q.Deque=i.default;var e=I("./PriorityQueue/PriorityQueue");q.PriorityQueue=e.default;var a=I("./Set/Set");q.Set=a.default;var n=I("./Map/Map");q.Map=n.default;var t=I("./HashSet/HashSet");q.HashSet=t.default;var o=I("./HashMap/HashMap");q.HashMap=o.default},{"./Deque/Deque":26,"./HashMap/HashMap":27,"./HashSet/HashSet":28,"./LinkList/LinkList":29,"./Map/Map":30,"./PriorityQueue/PriorityQueue":31,"./Queue/Queue":32,"./Set/Set":33,"./Stack/Stack":34,"./Vector/Vector":35}],37:[function(I,z,q){const w=I("yallist"),p=Symbol("max"),d=Symbol("length"),u=Symbol("lengthCalculator"),i=Symbol("allowStale"),e=Symbol("maxAge"),a=Symbol("dispose"),n=Symbol("noDisposeOnSet"),t=Symbol("lruList"),o=Symbol("cache"),f=Symbol("updateAgeOnGet"),l=()=>1,h=(T,S,F)=>{const W=T[o].get(S);if(W){const m=W.value;if(g(T,m)){if(v(T,W),!T[i])return}else F&&(T[f]&&(W.value.now=Date.now()),T[t].unshiftNode(W));return m.value}},g=(T,S)=>{if(!S||!S.maxAge&&!T[e])return!1;const F=Date.now()-S.now;return S.maxAge?F>S.maxAge:T[e]&&F>T[e]},c=T=>{if(T[d]>T[p])for(let S=T[t].tail;T[d]>T[p]&&S!==null;){const F=S.prev;v(T,S),S=F}},v=(T,S)=>{if(S){const F=S.value;T[a]&&T[a](F.key,F.value),T[d]-=F.length,T[o].delete(F.key),T[t].removeNode(S)}};class _{constructor(S,F,W,m,y){this.key=S,this.value=F,this.length=W,this.now=m,this.maxAge=y||0}}const E=(T,S,F,W)=>{let m=F.value;g(T,m)&&(v(T,F),T[i]||(m=void 0)),m&&S.call(W,m.value,m.key,T)};z.exports=class{constructor(T){if(typeof T=="number"&&(T={max:T}),T||(T={}),T.max&&(typeof T.max!="number"||T.max<0))throw new TypeError("max must be a non-negative number");this[p]=T.max||1/0;const S=T.length||l;if(this[u]=typeof S!="function"?l:S,this[i]=T.stale||!1,T.maxAge&&typeof T.maxAge!="number")throw new TypeError("maxAge must be a number");this[e]=T.maxAge||0,this[a]=T.dispose,this[n]=T.noDisposeOnSet||!1,this[f]=T.updateAgeOnGet||!1,this.reset()}set max(T){if(typeof T!="number"||T<0)throw new TypeError("max must be a non-negative number");this[p]=T||1/0,c(this)}get max(){return this[p]}set allowStale(T){this[i]=!!T}get allowStale(){return this[i]}set maxAge(T){if(typeof T!="number")throw new TypeError("maxAge must be a non-negative number");this[e]=T,c(this)}get maxAge(){return this[e]}set lengthCalculator(T){typeof T!="function"&&(T=l),T!==this[u]&&(this[u]=T,this[d]=0,this[t].forEach(S=>{S.length=this[u](S.value,S.key),this[d]+=S.length})),c(this)}get lengthCalculator(){return this[u]}get length(){return this[d]}get itemCount(){return this[t].length}rforEach(T,S){S=S||this;for(let F=this[t].tail;F!==null;){const W=F.prev;E(this,T,F,S),F=W}}forEach(T,S){S=S||this;for(let F=this[t].head;F!==null;){const W=F.next;E(this,T,F,S),F=W}}keys(){return this[t].toArray().map(T=>T.key)}values(){return this[t].toArray().map(T=>T.value)}reset(){this[a]&&this[t]&&this[t].length&&this[t].forEach(T=>this[a](T.key,T.value)),this[o]=new Map,this[t]=new w,this[d]=0}dump(){return this[t].map(T=>!g(this,T)&&{k:T.key,v:T.value,e:T.now+(T.maxAge||0)}).toArray().filter(T=>T)}dumpLru(){return this[t]}set(T,S,F){if((F=F||this[e])&&typeof F!="number")throw new TypeError("maxAge must be a number");const W=F?Date.now():0,m=this[u](S,T);if(this[o].has(T)){if(m>this[p])return v(this,this[o].get(T)),!1;const C=this[o].get(T).value;return this[a]&&(this[n]||this[a](T,C.value)),C.now=W,C.maxAge=F,C.value=S,this[d]+=m-C.length,C.length=m,this.get(T),c(this),!0}const y=new _(T,S,m,W,F);return y.length>this[p]?(this[a]&&this[a](T,S),!1):(this[d]+=y.length,this[t].unshift(y),this[o].set(T,this[t].head),c(this),!0)}has(T){if(!this[o].has(T))return!1;const S=this[o].get(T).value;return!g(this,S)}get(T){return h(this,T,!0)}peek(T){return h(this,T,!1)}pop(){const T=this[t].tail;return T?(v(this,T),T.value):null}del(T){v(this,this[o].get(T))}load(T){this.reset();const S=Date.now();for(let F=T.length-1;F>=0;F--){const W=T[F],m=W.e||0;if(m===0)this.set(W.k,W.v);else{const y=m-S;y>0&&this.set(W.k,W.v,y)}}}prune(){this[o].forEach((T,S)=>h(this,S,!1))}}},{yallist:83}],38:[function(I,z,q){(function(w){(function(){const p=z.exports;p.types={0:"reserved",1:"connect",2:"connack",3:"publish",4:"puback",5:"pubrec",6:"pubrel",7:"pubcomp",8:"subscribe",9:"suback",10:"unsubscribe",11:"unsuback",12:"pingreq",13:"pingresp",14:"disconnect",15:"auth"},p.codes={};for(const u in p.types){const i=p.types[u];p.codes[i]=u}p.CMD_SHIFT=4,p.CMD_MASK=240,p.DUP_MASK=8,p.QOS_MASK=3,p.QOS_SHIFT=1,p.RETAIN_MASK=1,p.VARBYTEINT_MASK=127,p.VARBYTEINT_FIN_MASK=128,p.VARBYTEINT_MAX=268435455,p.SESSIONPRESENT_MASK=1,p.SESSIONPRESENT_HEADER=w.from([p.SESSIONPRESENT_MASK]),p.CONNACK_HEADER=w.from([p.codes.connack<<p.CMD_SHIFT]),p.USERNAME_MASK=128,p.PASSWORD_MASK=64,p.WILL_RETAIN_MASK=32,p.WILL_QOS_MASK=24,p.WILL_QOS_SHIFT=3,p.WILL_FLAG_MASK=4,p.CLEAN_SESSION_MASK=2,p.CONNECT_HEADER=w.from([p.codes.connect<<p.CMD_SHIFT]),p.properties={sessionExpiryInterval:17,willDelayInterval:24,receiveMaximum:33,maximumPacketSize:39,topicAliasMaximum:34,requestResponseInformation:25,requestProblemInformation:23,userProperties:38,authenticationMethod:21,authenticationData:22,payloadFormatIndicator:1,messageExpiryInterval:2,contentType:3,responseTopic:8,correlationData:9,maximumQoS:36,retainAvailable:37,assignedClientIdentifier:18,reasonString:31,wildcardSubscriptionAvailable:40,subscriptionIdentifiersAvailable:41,sharedSubscriptionAvailable:42,serverKeepAlive:19,responseInformation:26,serverReference:28,topicAlias:35,subscriptionIdentifier:11},p.propertiesCodes={};for(const u in p.properties){const i=p.properties[u];p.propertiesCodes[i]=u}function d(u){return[0,1,2].map(i=>[0,1].map(e=>[0,1].map(a=>{const n=w.alloc(1);return n.writeUInt8(p.codes[u]<<p.CMD_SHIFT|(e?p.DUP_MASK:0)|i<<p.QOS_SHIFT|a,0,!0),n})))}p.propertiesTypes={sessionExpiryInterval:"int32",willDelayInterval:"int32",receiveMaximum:"int16",maximumPacketSize:"int32",topicAliasMaximum:"int16",requestResponseInformation:"byte",requestProblemInformation:"byte",userProperties:"pair",authenticationMethod:"string",authenticationData:"binary",payloadFormatIndicator:"byte",messageExpiryInterval:"int32",contentType:"string",responseTopic:"string",correlationData:"binary",maximumQoS:"int8",retainAvailable:"byte",assignedClientIdentifier:"string",reasonString:"string",wildcardSubscriptionAvailable:"byte",subscriptionIdentifiersAvailable:"byte",sharedSubscriptionAvailable:"byte",serverKeepAlive:"int16",responseInformation:"string",serverReference:"string",topicAlias:"int16",subscriptionIdentifier:"var"},p.PUBLISH_HEADER=d("publish"),p.SUBSCRIBE_HEADER=d("subscribe"),p.SUBSCRIBE_OPTIONS_QOS_MASK=3,p.SUBSCRIBE_OPTIONS_NL_MASK=1,p.SUBSCRIBE_OPTIONS_NL_SHIFT=2,p.SUBSCRIBE_OPTIONS_RAP_MASK=1,p.SUBSCRIBE_OPTIONS_RAP_SHIFT=3,p.SUBSCRIBE_OPTIONS_RH_MASK=3,p.SUBSCRIBE_OPTIONS_RH_SHIFT=4,p.SUBSCRIBE_OPTIONS_RH=[0,16,32],p.SUBSCRIBE_OPTIONS_NL=4,p.SUBSCRIBE_OPTIONS_RAP=8,p.SUBSCRIBE_OPTIONS_QOS=[0,1,2],p.UNSUBSCRIBE_HEADER=d("unsubscribe"),p.ACKS={unsuback:d("unsuback"),puback:d("puback"),pubcomp:d("pubcomp"),pubrel:d("pubrel"),pubrec:d("pubrec")},p.SUBACK_HEADER=w.from([p.codes.suback<<p.CMD_SHIFT]),p.VERSION3=w.from([3]),p.VERSION4=w.from([4]),p.VERSION5=w.from([5]),p.VERSION131=w.from([131]),p.VERSION132=w.from([132]),p.QOS=[0,1,2].map(u=>w.from([u])),p.EMPTY={pingreq:w.from([p.codes.pingreq<<4,0]),pingresp:w.from([p.codes.pingresp<<4,0]),disconnect:w.from([p.codes.disconnect<<4,0])}}).call(this)}).call(this,I("buffer").Buffer)},{buffer:17}],39:[function(I,z,q){(function(w){(function(){const p=I("./writeToStream"),d=I("events");class u extends d{constructor(){super(),this._array=new Array(20),this._i=0}write(e){return this._array[this._i++]=e,!0}concat(){let e=0;const a=new Array(this._array.length),n=this._array;let t,o=0;for(t=0;t<n.length&&n[t]!==void 0;t++)typeof n[t]!="string"?a[t]=n[t].length:a[t]=w.byteLength(n[t]),e+=a[t];const f=w.allocUnsafe(e);for(t=0;t<n.length&&n[t]!==void 0;t++)typeof n[t]!="string"?(n[t].copy(f,o),o+=a[t]):(f.write(n[t],o),o+=a[t]);return f}}z.exports=function(i,e){const a=new u;return p(i,a,e),a.concat()}}).call(this)}).call(this,I("buffer").Buffer)},{"./writeToStream":44,buffer:17,events:22}],40:[function(I,z,q){q.parser=I("./parser").parser,q.generate=I("./generate"),q.writeToStream=I("./writeToStream")},{"./generate":39,"./parser":43,"./writeToStream":44}],41:[function(I,z,q){(function(w){(function(){const d={},u=w.isBuffer(w.from([1,2]).subarray(0,1));function i(e){const a=w.allocUnsafe(2);return a.writeUInt8(e>>8,0),a.writeUInt8(255&e,1),a}z.exports={cache:d,generateCache:function(){for(let e=0;e<65536;e++)d[e]=i(e)},generateNumber:i,genBufVariableByteInt:function(e){let a=0,n=0;const t=w.allocUnsafe(4);do a=e%128|0,(e=e/128|0)>0&&(a|=128),t.writeUInt8(a,n++);while(e>0&&n<4);return e>0&&(n=0),u?t.subarray(0,n):t.slice(0,n)},generate4ByteBuffer:function(e){const a=w.allocUnsafe(4);return a.writeUInt32BE(e,0),a}}}).call(this)}).call(this,I("buffer").Buffer)},{buffer:17}],42:[function(I,z,q){z.exports=class{constructor(){this.cmd=null,this.retain=!1,this.qos=0,this.dup=!1,this.length=-1,this.topic=null,this.payload=null}}},{}],43:[function(I,z,q){const w=I("bl"),p=I("events"),d=I("./packet"),u=I("./constants"),i=I("debug")("mqtt-packet:parser");class e extends p{constructor(){super(),this.parser=this.constructor.parser}static parser(n){return this instanceof e?(this.settings=n||{},this._states=["_parseHeader","_parseLength","_parsePayload","_newPacket"],this._resetState(),this):new e().parser(n)}_resetState(){i("_resetState: resetting packet, error, _list, and _stateCounter"),this.packet=new d,this.error=null,this._list=w(),this._stateCounter=0}parse(n){for(this.error&&this._resetState(),this._list.append(n),i("parse: current state: %s",this._states[this._stateCounter]);(this.packet.length!==-1||this._list.length>0)&&this[this._states[this._stateCounter]]()&&!this.error;)this._stateCounter++,i("parse: state complete. _stateCounter is now: %d",this._stateCounter),i("parse: packet.length: %d, buffer list length: %d",this.packet.length,this._list.length),this._stateCounter>=this._states.length&&(this._stateCounter=0);return i("parse: exited while loop. packet: %d, buffer list length: %d",this.packet.length,this._list.length),this._list.length}_parseHeader(){const n=this._list.readUInt8(0);return this.packet.cmd=u.types[n>>u.CMD_SHIFT],this.packet.retain=(n&u.RETAIN_MASK)!=0,this.packet.qos=n>>u.QOS_SHIFT&u.QOS_MASK,this.packet.dup=(n&u.DUP_MASK)!=0,i("_parseHeader: packet: %o",this.packet),this._list.consume(1),!0}_parseLength(){const n=this._parseVarByteNum(!0);return n&&(this.packet.length=n.value,this._list.consume(n.bytes)),i("_parseLength %d",n.value),!!n}_parsePayload(){i("_parsePayload: payload %O",this._list);let n=!1;if(this.packet.length===0||this._list.length>=this.packet.length){switch(this._pos=0,this.packet.cmd){case"connect":this._parseConnect();break;case"connack":this._parseConnack();break;case"publish":this._parsePublish();break;case"puback":case"pubrec":case"pubrel":case"pubcomp":this._parseConfirmation();break;case"subscribe":this._parseSubscribe();break;case"suback":this._parseSuback();break;case"unsubscribe":this._parseUnsubscribe();break;case"unsuback":this._parseUnsuback();break;case"pingreq":case"pingresp":break;case"disconnect":this._parseDisconnect();break;case"auth":this._parseAuth();break;default:this._emitError(new Error("Not supported"))}n=!0}return i("_parsePayload complete result: %s",n),n}_parseConnect(){let n,t,o,f;i("_parseConnect");const l={},h=this.packet,g=this._parseString();if(g===null)return this._emitError(new Error("Cannot parse protocolId"));if(g!=="MQTT"&&g!=="MQIsdp")return this._emitError(new Error("Invalid protocolId"));if(h.protocolId=g,this._pos>=this._list.length)return this._emitError(new Error("Packet too short"));if(h.protocolVersion=this._list.readUInt8(this._pos),h.protocolVersion>=128&&(h.bridgeMode=!0,h.protocolVersion=h.protocolVersion-128),h.protocolVersion!==3&&h.protocolVersion!==4&&h.protocolVersion!==5)return this._emitError(new Error("Invalid protocol version"));if(this._pos++,this._pos>=this._list.length)return this._emitError(new Error("Packet too short"));if(l.username=this._list.readUInt8(this._pos)&u.USERNAME_MASK,l.password=this._list.readUInt8(this._pos)&u.PASSWORD_MASK,l.will=this._list.readUInt8(this._pos)&u.WILL_FLAG_MASK,l.will&&(h.will={},h.will.retain=(this._list.readUInt8(this._pos)&u.WILL_RETAIN_MASK)!=0,h.will.qos=(this._list.readUInt8(this._pos)&u.WILL_QOS_MASK)>>u.WILL_QOS_SHIFT),h.clean=(this._list.readUInt8(this._pos)&u.CLEAN_SESSION_MASK)!=0,this._pos++,h.keepalive=this._parseNum(),h.keepalive===-1)return this._emitError(new Error("Packet too short"));if(h.protocolVersion===5){const v=this._parseProperties();Object.getOwnPropertyNames(v).length&&(h.properties=v)}const c=this._parseString();if(c===null)return this._emitError(new Error("Packet too short"));if(h.clientId=c,i("_parseConnect: packet.clientId: %s",h.clientId),l.will){if(h.protocolVersion===5){const v=this._parseProperties();Object.getOwnPropertyNames(v).length&&(h.will.properties=v)}if((n=this._parseString())===null)return this._emitError(new Error("Cannot parse will topic"));if(h.will.topic=n,i("_parseConnect: packet.will.topic: %s",h.will.topic),(t=this._parseBuffer())===null)return this._emitError(new Error("Cannot parse will payload"));h.will.payload=t,i("_parseConnect: packet.will.paylaod: %s",h.will.payload)}if(l.username){if((f=this._parseString())===null)return this._emitError(new Error("Cannot parse username"));h.username=f,i("_parseConnect: packet.username: %s",h.username)}if(l.password){if((o=this._parseBuffer())===null)return this._emitError(new Error("Cannot parse password"));h.password=o}return this.settings=h,i("_parseConnect: complete"),h}_parseConnack(){i("_parseConnack");const n=this.packet;if(this._list.length<1)return null;if(n.sessionPresent=!!(this._list.readUInt8(this._pos++)&u.SESSIONPRESENT_MASK),this.settings.protocolVersion===5)this._list.length>=2?n.reasonCode=this._list.readUInt8(this._pos++):n.reasonCode=0;else{if(this._list.length<2)return null;n.returnCode=this._list.readUInt8(this._pos++)}if(n.returnCode===-1||n.reasonCode===-1)return this._emitError(new Error("Cannot parse return code"));if(this.settings.protocolVersion===5){const t=this._parseProperties();Object.getOwnPropertyNames(t).length&&(n.properties=t)}i("_parseConnack: complete")}_parsePublish(){i("_parsePublish");const n=this.packet;if(n.topic=this._parseString(),n.topic===null)return this._emitError(new Error("Cannot parse topic"));if(!(n.qos>0)||this._parseMessageId()){if(this.settings.protocolVersion===5){const t=this._parseProperties();Object.getOwnPropertyNames(t).length&&(n.properties=t)}n.payload=this._list.slice(this._pos,n.length),i("_parsePublish: payload from buffer list: %o",n.payload)}}_parseSubscribe(){i("_parseSubscribe");const n=this.packet;let t,o,f,l,h,g,c;if(n.qos!==1)return this._emitError(new Error("Wrong subscribe header"));if(n.subscriptions=[],this._parseMessageId()){if(this.settings.protocolVersion===5){const v=this._parseProperties();Object.getOwnPropertyNames(v).length&&(n.properties=v)}for(;this._pos<n.length;){if((t=this._parseString())===null)return this._emitError(new Error("Cannot parse topic"));if(this._pos>=n.length)return this._emitError(new Error("Malformed Subscribe Payload"));f=(o=this._parseByte())&u.SUBSCRIBE_OPTIONS_QOS_MASK,g=(o>>u.SUBSCRIBE_OPTIONS_NL_SHIFT&u.SUBSCRIBE_OPTIONS_NL_MASK)!=0,h=(o>>u.SUBSCRIBE_OPTIONS_RAP_SHIFT&u.SUBSCRIBE_OPTIONS_RAP_MASK)!=0,l=o>>u.SUBSCRIBE_OPTIONS_RH_SHIFT&u.SUBSCRIBE_OPTIONS_RH_MASK,c={topic:t,qos:f},this.settings.protocolVersion===5?(c.nl=g,c.rap=h,c.rh=l):this.settings.bridgeMode&&(c.rh=0,c.rap=!0,c.nl=!0),i("_parseSubscribe: push subscription `%s` to subscription",c),n.subscriptions.push(c)}}}_parseSuback(){i("_parseSuback");const n=this.packet;if(this.packet.granted=[],this._parseMessageId()){if(this.settings.protocolVersion===5){const t=this._parseProperties();Object.getOwnPropertyNames(t).length&&(n.properties=t)}for(;this._pos<this.packet.length;)this.packet.granted.push(this._list.readUInt8(this._pos++))}}_parseUnsubscribe(){i("_parseUnsubscribe");const n=this.packet;if(n.unsubscriptions=[],this._parseMessageId()){if(this.settings.protocolVersion===5){const t=this._parseProperties();Object.getOwnPropertyNames(t).length&&(n.properties=t)}for(;this._pos<n.length;){const t=this._parseString();if(t===null)return this._emitError(new Error("Cannot parse topic"));i("_parseUnsubscribe: push topic `%s` to unsubscriptions",t),n.unsubscriptions.push(t)}}}_parseUnsuback(){i("_parseUnsuback");const n=this.packet;if(!this._parseMessageId())return this._emitError(new Error("Cannot parse messageId"));if(this.settings.protocolVersion===5){const t=this._parseProperties();for(Object.getOwnPropertyNames(t).length&&(n.properties=t),n.granted=[];this._pos<this.packet.length;)this.packet.granted.push(this._list.readUInt8(this._pos++))}}_parseConfirmation(){i("_parseConfirmation: packet.cmd: `%s`",this.packet.cmd);const n=this.packet;if(this._parseMessageId(),this.settings.protocolVersion===5&&(n.length>2?(n.reasonCode=this._parseByte(),i("_parseConfirmation: packet.reasonCode `%d`",n.reasonCode)):n.reasonCode=0,n.length>3)){const t=this._parseProperties();Object.getOwnPropertyNames(t).length&&(n.properties=t)}return!0}_parseDisconnect(){const n=this.packet;if(i("_parseDisconnect"),this.settings.protocolVersion===5){this._list.length>0?n.reasonCode=this._parseByte():n.reasonCode=0;const t=this._parseProperties();Object.getOwnPropertyNames(t).length&&(n.properties=t)}return i("_parseDisconnect result: true"),!0}_parseAuth(){i("_parseAuth");const n=this.packet;if(this.settings.protocolVersion!==5)return this._emitError(new Error("Not supported auth packet for this version MQTT"));n.reasonCode=this._parseByte();const t=this._parseProperties();return Object.getOwnPropertyNames(t).length&&(n.properties=t),i("_parseAuth: result: true"),!0}_parseMessageId(){const n=this.packet;return n.messageId=this._parseNum(),n.messageId===null?(this._emitError(new Error("Cannot parse messageId")),!1):(i("_parseMessageId: packet.messageId %d",n.messageId),!0)}_parseString(n){const t=this._parseNum(),o=t+this._pos;if(t===-1||o>this._list.length||o>this.packet.length)return null;const f=this._list.toString("utf8",this._pos,o);return this._pos+=t,i("_parseString: result: %s",f),f}_parseStringPair(){return i("_parseStringPair"),{name:this._parseString(),value:this._parseString()}}_parseBuffer(){const n=this._parseNum(),t=n+this._pos;if(n===-1||t>this._list.length||t>this.packet.length)return null;const o=this._list.slice(this._pos,t);return this._pos+=n,i("_parseBuffer: result: %o",o),o}_parseNum(){if(this._list.length-this._pos<2)return-1;const n=this._list.readUInt16BE(this._pos);return this._pos+=2,i("_parseNum: result: %s",n),n}_parse4ByteNum(){if(this._list.length-this._pos<4)return-1;const n=this._list.readUInt32BE(this._pos);return this._pos+=4,i("_parse4ByteNum: result: %s",n),n}_parseVarByteNum(n){i("_parseVarByteNum");let t,o=0,f=1,l=0,h=!1;const g=this._pos?this._pos:0;for(;o<4&&g+o<this._list.length;){if(l+=f*((t=this._list.readUInt8(g+o++))&u.VARBYTEINT_MASK),f*=128,(t&u.VARBYTEINT_FIN_MASK)==0){h=!0;break}if(this._list.length<=o)break}return!h&&o===4&&this._list.length>=o&&this._emitError(new Error("Invalid variable byte integer")),g&&(this._pos+=o),i("_parseVarByteNum: result: %o",h=!!h&&(n?{bytes:o,value:l}:l)),h}_parseByte(){let n;return this._pos<this._list.length&&(n=this._list.readUInt8(this._pos),this._pos++),i("_parseByte: result: %o",n),n}_parseByType(n){switch(i("_parseByType: type: %s",n),n){case"byte":return this._parseByte()!==0;case"int8":return this._parseByte();case"int16":return this._parseNum();case"int32":return this._parse4ByteNum();case"var":return this._parseVarByteNum();case"string":return this._parseString();case"pair":return this._parseStringPair();case"binary":return this._parseBuffer()}}_parseProperties(){i("_parseProperties");const n=this._parseVarByteNum(),t=this._pos+n,o={};for(;this._pos<t;){const f=this._parseByte();if(!f)return this._emitError(new Error("Cannot parse property code type")),!1;const l=u.propertiesCodes[f];if(!l)return this._emitError(new Error("Unknown property")),!1;if(l!=="userProperties")o[l]?Array.isArray(o[l])?o[l].push(this._parseByType(u.propertiesTypes[l])):(o[l]=[o[l]],o[l].push(this._parseByType(u.propertiesTypes[l]))):o[l]=this._parseByType(u.propertiesTypes[l]);else{o[l]||(o[l]=Object.create(null));const h=this._parseByType(u.propertiesTypes[l]);if(o[l][h.name])if(Array.isArray(o[l][h.name]))o[l][h.name].push(h.value);else{const g=o[l][h.name];o[l][h.name]=[g],o[l][h.name].push(h.value)}else o[l][h.name]=h.value}}return o}_newPacket(){return i("_newPacket"),this.packet&&(this._list.consume(this.packet.length),i("_newPacket: parser emit packet: packet.cmd: %s, packet.payload: %s, packet.length: %d",this.packet.cmd,this.packet.payload,this.packet.length),this.emit("packet",this.packet)),i("_newPacket: new packet"),this.packet=new d,this._pos=0,!0}_emitError(n){i("_emitError"),this.error=n,this.emit("error",n)}}z.exports=e},{"./constants":38,"./packet":42,bl:15,debug:18,events:22}],44:[function(I,z,q){(function(w){(function(){const p=I("./constants"),d=w.allocUnsafe(0),u=w.from([0]),i=I("./numbers"),e=I("process-nextick-args").nextTick,a=I("debug")("mqtt-packet:writeToStream"),n=i.cache,t=i.generateNumber,o=i.generateCache,f=i.genBufVariableByteInt,l=i.generate4ByteBuffer;let h=F,g=!0;function c(B,P,M){switch(a("generate called"),P.cork&&(P.cork(),e(v,P)),g&&(g=!1,o()),a("generate: packet.cmd: %s",B.cmd),B.cmd){case"connect":return function(R,O,U){const H=R||{},V=H.protocolId||"MQTT";let K=H.protocolVersion||4;const $=H.will;let G=H.clean;const r=H.keepalive||0,s=H.clientId||"",b=H.username,x=H.password,j=H.properties;G===void 0&&(G=!0);let D=0;if(typeof V!="string"&&!w.isBuffer(V))return O.emit("error",new Error("Invalid protocolId")),!1;if(D+=V.length+2,K!==3&&K!==4&&K!==5)return O.emit("error",new Error("Invalid protocol version")),!1;if(D+=1,(typeof s=="string"||w.isBuffer(s))&&(s||K>=4)&&(s||G))D+=w.byteLength(s)+2;else{if(K<4)return O.emit("error",new Error("clientId must be supplied before 3.1.1")),!1;if(1*G==0)return O.emit("error",new Error("clientId must be given if cleanSession set to 0")),!1}if(typeof r!="number"||r<0||r>65535||r%1!=0)return O.emit("error",new Error("Invalid keepalive")),!1;if(D+=2,D+=1,K===5){var Q=y(O,j);if(!Q)return!1;D+=Q.length}if($){if(typeof $!="object")return O.emit("error",new Error("Invalid will")),!1;if(!$.topic||typeof $.topic!="string")return O.emit("error",new Error("Invalid will topic")),!1;if(D+=w.byteLength($.topic)+2,D+=2,$.payload){if(!($.payload.length>=0))return O.emit("error",new Error("Invalid will payload")),!1;typeof $.payload=="string"?D+=w.byteLength($.payload):D+=$.payload.length}var Z={};if(K===5){if(!(Z=y(O,$.properties)))return!1;D+=Z.length}}let Y=!1;if(b!=null){if(!L(b))return O.emit("error",new Error("Invalid username")),!1;Y=!0,D+=w.byteLength(b)+2}if(x!=null){if(!Y)return O.emit("error",new Error("Username is required to use password")),!1;if(!L(x))return O.emit("error",new Error("Invalid password")),!1;D+=N(x)+2}O.write(p.CONNECT_HEADER),E(O,D),m(O,V),H.bridgeMode&&(K+=128),O.write(K===131?p.VERSION131:K===132?p.VERSION132:K===4?p.VERSION4:K===5?p.VERSION5:p.VERSION3);let X=0;return X|=b!=null?p.USERNAME_MASK:0,X|=x!=null?p.PASSWORD_MASK:0,X|=$&&$.retain?p.WILL_RETAIN_MASK:0,X|=$&&$.qos?$.qos<<p.WILL_QOS_SHIFT:0,X|=$?p.WILL_FLAG_MASK:0,X|=G?p.CLEAN_SESSION_MASK:0,O.write(w.from([X])),h(O,r),K===5&&Q.write(),m(O,s),$&&(K===5&&Z.write(),T(O,$.topic),m(O,$.payload)),b!=null&&m(O,b),x!=null&&m(O,x),!0}(B,P);case"connack":return function(R,O,U){const H=U?U.protocolVersion:4,V=R||{},K=H===5?V.reasonCode:V.returnCode,$=V.properties;let G=2;if(typeof K!="number")return O.emit("error",new Error("Invalid return code")),!1;let r=null;if(H===5){if(!(r=y(O,$)))return!1;G+=r.length}return O.write(p.CONNACK_HEADER),E(O,G),O.write(V.sessionPresent?p.SESSIONPRESENT_HEADER:u),O.write(w.from([K])),r!=null&&r.write(),!0}(B,P,M);case"publish":return function(R,O,U){a("publish: packet: %o",R);const H=U?U.protocolVersion:4,V=R||{},K=V.qos||0,$=V.retain?p.RETAIN_MASK:0,G=V.topic,r=V.payload||d,s=V.messageId,b=V.properties;let x=0;if(typeof G=="string")x+=w.byteLength(G)+2;else{if(!w.isBuffer(G))return O.emit("error",new Error("Invalid topic")),!1;x+=G.length+2}if(w.isBuffer(r)?x+=r.length:x+=w.byteLength(r),K&&typeof s!="number")return O.emit("error",new Error("Invalid messageId")),!1;K&&(x+=2);let j=null;if(H===5){if(!(j=y(O,b)))return!1;x+=j.length}return O.write(p.PUBLISH_HEADER[K][V.dup?1:0][$?1:0]),E(O,x),h(O,N(G)),O.write(G),K>0&&h(O,s),j!=null&&j.write(),a("publish: payload: %o",r),O.write(r)}(B,P,M);case"puback":case"pubrec":case"pubrel":case"pubcomp":return function(R,O,U){const H=U?U.protocolVersion:4,V=R||{},K=V.cmd||"puback",$=V.messageId,G=V.dup&&K==="pubrel"?p.DUP_MASK:0;let r=0;const s=V.reasonCode,b=V.properties;let x=H===5?3:2;if(K==="pubrel"&&(r=1),typeof $!="number")return O.emit("error",new Error("Invalid messageId")),!1;let j=null;if(H===5&&typeof b=="object"){if(!(j=C(O,b,U,x)))return!1;x+=j.length}return O.write(p.ACKS[K][r][G][0]),E(O,x),h(O,$),H===5&&O.write(w.from([s])),j!==null&&j.write(),!0}(B,P,M);case"subscribe":return function(R,O,U){a("subscribe: packet: ");const H=U?U.protocolVersion:4,V=R||{},K=V.dup?p.DUP_MASK:0,$=V.messageId,G=V.subscriptions,r=V.properties;let s=0;if(typeof $!="number")return O.emit("error",new Error("Invalid messageId")),!1;s+=2;let b=null;if(H===5){if(!(b=y(O,r)))return!1;s+=b.length}if(typeof G!="object"||!G.length)return O.emit("error",new Error("Invalid subscriptions")),!1;for(let j=0;j<G.length;j+=1){const D=G[j].topic,Q=G[j].qos;if(typeof D!="string")return O.emit("error",new Error("Invalid subscriptions - invalid topic")),!1;if(typeof Q!="number")return O.emit("error",new Error("Invalid subscriptions - invalid qos")),!1;if(H===5){if(typeof(G[j].nl||!1)!="boolean")return O.emit("error",new Error("Invalid subscriptions - invalid No Local")),!1;if(typeof(G[j].rap||!1)!="boolean")return O.emit("error",new Error("Invalid subscriptions - invalid Retain as Published")),!1;const X=G[j].rh||0;if(typeof X!="number"||X>2)return O.emit("error",new Error("Invalid subscriptions - invalid Retain Handling")),!1}s+=w.byteLength(D)+2+1}a("subscribe: writing to stream: %o",p.SUBSCRIBE_HEADER),O.write(p.SUBSCRIBE_HEADER[1][K?1:0][0]),E(O,s),h(O,$),b!==null&&b.write();let x=!0;for(const j of G){const D=j.topic,Q=j.qos,Z=+j.nl,Y=+j.rap,X=j.rh;let te;T(O,D),te=p.SUBSCRIBE_OPTIONS_QOS[Q],H===5&&(te|=Z?p.SUBSCRIBE_OPTIONS_NL:0,te|=Y?p.SUBSCRIBE_OPTIONS_RAP:0,te|=X?p.SUBSCRIBE_OPTIONS_RH[X]:0),x=O.write(w.from([te]))}return x}(B,P,M);case"suback":return function(R,O,U){const H=U?U.protocolVersion:4,V=R||{},K=V.messageId,$=V.granted,G=V.properties;let r=0;if(typeof K!="number")return O.emit("error",new Error("Invalid messageId")),!1;if(r+=2,typeof $!="object"||!$.length)return O.emit("error",new Error("Invalid qos vector")),!1;for(let b=0;b<$.length;b+=1){if(typeof $[b]!="number")return O.emit("error",new Error("Invalid qos vector")),!1;r+=1}let s=null;if(H===5){if(!(s=C(O,G,U,r)))return!1;r+=s.length}return O.write(p.SUBACK_HEADER),E(O,r),h(O,K),s!==null&&s.write(),O.write(w.from($))}(B,P,M);case"unsubscribe":return function(R,O,U){const H=U?U.protocolVersion:4,V=R||{},K=V.messageId,$=V.dup?p.DUP_MASK:0,G=V.unsubscriptions,r=V.properties;let s=0;if(typeof K!="number")return O.emit("error",new Error("Invalid messageId")),!1;if(s+=2,typeof G!="object"||!G.length)return O.emit("error",new Error("Invalid unsubscriptions")),!1;for(let j=0;j<G.length;j+=1){if(typeof G[j]!="string")return O.emit("error",new Error("Invalid unsubscriptions")),!1;s+=w.byteLength(G[j])+2}let b=null;if(H===5){if(!(b=y(O,r)))return!1;s+=b.length}O.write(p.UNSUBSCRIBE_HEADER[1][$?1:0][0]),E(O,s),h(O,K),b!==null&&b.write();let x=!0;for(let j=0;j<G.length;j++)x=T(O,G[j]);return x}(B,P,M);case"unsuback":return function(R,O,U){const H=U?U.protocolVersion:4,V=R||{},K=V.messageId,$=V.dup?p.DUP_MASK:0,G=V.granted,r=V.properties,s=V.cmd;let b=2;if(typeof K!="number")return O.emit("error",new Error("Invalid messageId")),!1;if(H===5){if(typeof G!="object"||!G.length)return O.emit("error",new Error("Invalid qos vector")),!1;for(let j=0;j<G.length;j+=1){if(typeof G[j]!="number")return O.emit("error",new Error("Invalid qos vector")),!1;b+=1}}let x=null;if(H===5){if(!(x=C(O,r,U,b)))return!1;b+=x.length}return O.write(p.ACKS[s][0][$][0]),E(O,b),h(O,K),x!==null&&x.write(),H===5&&O.write(w.from(G)),!0}(B,P,M);case"pingreq":case"pingresp":return function(R,O,U){return O.write(p.EMPTY[R.cmd])}(B,P);case"disconnect":return function(R,O,U){const H=U?U.protocolVersion:4,V=R||{},K=V.reasonCode,$=V.properties;let G=H===5?1:0,r=null;if(H===5){if(!(r=C(O,$,U,G)))return!1;G+=r.length}return O.write(w.from([p.codes.disconnect<<4])),E(O,G),H===5&&O.write(w.from([K])),r!==null&&r.write(),!0}(B,P,M);case"auth":return function(R,O,U){const H=U?U.protocolVersion:4,V=R||{},K=V.reasonCode,$=V.properties;let G=H===5?1:0;H!==5&&O.emit("error",new Error("Invalid mqtt version for auth packet"));const r=C(O,$,U,G);return r?(G+=r.length,O.write(w.from([p.codes.auth<<4])),E(O,G),O.write(w.from([K])),r!==null&&r.write(),!0):!1}(B,P,M);default:return P.emit("error",new Error("Unknown command")),!1}}function v(B){B.uncork()}Object.defineProperty(c,"cacheNumbers",{get:()=>h===F,set(B){B?(n&&Object.keys(n).length!==0||(g=!0),h=F):(g=!1,h=W)}});const _={};function E(B,P){if(P>p.VARBYTEINT_MAX)return B.emit("error",new Error(`Invalid variable byte integer: ${P}`)),!1;let M=_[P];return M||(M=f(P),P<16384&&(_[P]=M)),a("writeVarByteInt: writing to stream: %o",M),B.write(M)}function T(B,P){const M=w.byteLength(P);return h(B,M),a("writeString: %s",P),B.write(P,"utf8")}function S(B,P,M){T(B,P),T(B,M)}function F(B,P){return a("writeNumberCached: number: %d",P),a("writeNumberCached: %o",n[P]),B.write(n[P])}function W(B,P){const M=t(P);return a("writeNumberGenerated: %o",M),B.write(M)}function m(B,P){typeof P=="string"?T(B,P):P?(h(B,P.length),B.write(P)):h(B,0)}function y(B,P){if(typeof P!="object"||P.length!=null)return{length:1,write(){A(B,{},0)}};let M=0;function R(O,U){let H=0;switch(p.propertiesTypes[O]){case"byte":if(typeof U!="boolean")return B.emit("error",new Error(`Invalid ${O}: ${U}`)),!1;H+=2;break;case"int8":if(typeof U!="number"||U<0||U>255)return B.emit("error",new Error(`Invalid ${O}: ${U}`)),!1;H+=2;break;case"binary":if(U&&U===null)return B.emit("error",new Error(`Invalid ${O}: ${U}`)),!1;H+=1+w.byteLength(U)+2;break;case"int16":if(typeof U!="number"||U<0||U>65535)return B.emit("error",new Error(`Invalid ${O}: ${U}`)),!1;H+=3;break;case"int32":if(typeof U!="number"||U<0||U>4294967295)return B.emit("error",new Error(`Invalid ${O}: ${U}`)),!1;H+=5;break;case"var":if(typeof U!="number"||U<0||U>268435455)return B.emit("error",new Error(`Invalid ${O}: ${U}`)),!1;H+=1+w.byteLength(f(U));break;case"string":if(typeof U!="string")return B.emit("error",new Error(`Invalid ${O}: ${U}`)),!1;H+=3+w.byteLength(U.toString());break;case"pair":if(typeof U!="object")return B.emit("error",new Error(`Invalid ${O}: ${U}`)),!1;H+=Object.getOwnPropertyNames(U).reduce((V,K)=>{const $=U[K];return 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n},w.prototype.mapReverse=function(e,a){a=a||this;for(var n=new w,t=this.tail;t!==null;)n.push(e.call(a,t.value,this)),t=t.prev;return n},w.prototype.reduce=function(e,a){var n,t=this.head;if(arguments.length>1)n=a;else{if(!this.head)throw new TypeError("Reduce of empty list with no initial value");t=this.head.next,n=this.head.value}for(var o=0;t!==null;o++)n=e(n,t.value,o),t=t.next;return n},w.prototype.reduceReverse=function(e,a){var n,t=this.tail;if(arguments.length>1)n=a;else{if(!this.tail)throw new TypeError("Reduce of empty list with no initial value");t=this.tail.prev,n=this.tail.value}for(var o=this.length-1;t!==null;o--)n=e(n,t.value,o),t=t.prev;return n},w.prototype.toArray=function(){for(var e=new Array(this.length),a=0,n=this.head;n!==null;a++)e[a]=n.value,n=n.next;return e},w.prototype.toArrayReverse=function(){for(var e=new Array(this.length),a=0,n=this.tail;n!==null;a++)e[a]=n.value,n=n.prev;return e},w.prototype.slice=function(e,a){(a=a||this.length)<0&&(a+=this.length),(e=e||0)<0&&(e+=this.length);var n=new w;if(a<e||a<0)return n;e<0&&(e=0),a>this.length&&(a=this.length);for(var t=0,o=this.head;o!==null&&t<e;t++)o=o.next;for(;o!==null&&t<a;t++,o=o.next)n.push(o.value);return n},w.prototype.sliceReverse=function(e,a){(a=a||this.length)<0&&(a+=this.length),(e=e||0)<0&&(e+=this.length);var n=new w;if(a<e||a<0)return n;e<0&&(e=0),a>this.length&&(a=this.length);for(var t=this.length,o=this.tail;o!==null&&t>a;t--)o=o.prev;for(;o!==null&&t>e;t--,o=o.prev)n.push(o.value);return n},w.prototype.splice=function(e,a,...n){e>this.length&&(e=this.length-1),e<0&&(e=this.length+e);for(var t=0,o=this.head;o!==null&&t<e;t++)o=o.next;var f=[];for(t=0;o&&t<a;t++)f.push(o.value),o=this.removeNode(o);for(o===null&&(o=this.tail),o!==this.head&&o!==this.tail&&(o=o.prev),t=0;t<n.length;t++)o=p(this,o,n[t]);return f},w.prototype.reverse=function(){for(var e=this.head,a=this.tail,n=e;n!==null;n=n.prev){var t=n.prev;n.prev=n.next,n.next=t}return this.head=a,this.tail=e,this};try{I("./iterator.js")(w)}catch(e){}},{"./iterator.js":82}]},{},[12])(12)})}(ke)),ke.exports}var De=qe();const He=Le({__name:"mqtt-client",setup(ie){const oe=location.protocol==="https:"?"wss":"ws",I=oe==="wss"?8084:8083,z=[0,1,2],q=je({protocol:oe,host:"broker.emqx.io",port:I,clientId:"emqx_vue3_"+Math.random().toString(16).substring(2,8),username:"emqx_test",password:"emqx_test",clean:!0,connectTimeout:30*1e3,reconnectPeriod:4e3}),w=he({topic:"topic/mqttx",qos:0}),p=he({topic:"topic/browser",qos:0,payload:'{ "msg": "Hello, I am browser." }'});let d=he({connected:!1});const u=he(""),i=he(!1),e=he(""),a=he(0),n=()=>{d.value={connected:!1},a.value=0,e.value="",i.value=!1},t=()=>{if(a.value+=1,a.value>5)try{d.value.end(),n()}catch(v){}},o=()=>{try{e.value="connect";const v=q,{protocol:_,host:E,port:T}=v,S=Te(v,["protocol","host","port"]),F=`${_}://${E}:${T}/mqtt`;d.value=De.connect(F,S),d.value.on&&(d.value.on("connect",()=>{e.value=""}),d.value.on("reconnect",t),d.value.on("error",W=>{}),d.value.on("message",(W,m)=>{u.value=u.value.concat(m.toString())}))}catch(_){e.value=""}},f=()=>{e.value="subscribe";const{topic:v,qos:_}=w.value;d.value.subscribe(v,{qos:_},(E,T)=>{e.value="",!E&&(i.value=!0)})},l=()=>{e.value="unsubscribe";const{topic:v,qos:_}=w.value;d.value.unsubscribe(v,{qos:_},E=>{e.value="",i.value=!1})},h=()=>{e.value="publish";const{topic:v,qos:_,payload:E}=p.value;d.value.publish(v,E,{qos:_},T=>{e.value=""})},g=()=>{if(d.value.connected){e.value="disconnect";try{d.value.end(!1,()=>{n()})}catch(v){e.value=""}}},c=v=>{q.port=v==="wss"?8084:8083};return Ue(()=>{try{d.value.end&&d.value.end()}catch(v){}}),(v,_)=>{const E=ce("el-link"),T=ce("el-option"),S=ce("el-select"),F=ce("el-form-item"),W=ce("el-col"),m=ce("el-input"),y=ce("el-button"),C=ce("el-row"),k=ce("el-form"),A=ce("el-card"),N=ce("el-text");return ge(),_e(A,{shadow:"never","body-style":{padding:"20px"}},{header:ee(()=>[pe("div",null,[_[14]||(_[14]=ae(" 基于 ")),J(E,{type:"primary",underline:!1,href:"https://github.com/mqttjs/MQTT.js",target:"_blank"},{default:ee(()=>_[12]||(_[12]=[ae(" MQTT.js ")])),_:1}),_[15]||(_[15]=ae(" 和 免费的公共MQTT代理 ")),J(E,{type:"primary",underline:!1,href:"broker.emqx.io",target:"_blank"},{default:ee(()=>_[13]||(_[13]=[ae(" EMQX ")])),_:1}),_[16]||(_[16]=ae(" 实现的一套 MQTT 客户端 "))]),J(E,{class:"mt-2",href:"https://github.com/pure-admin/vue-pure-admin/blob/main/src/views/able/mqtt-client.vue",target:"_blank"},{default:ee(()=>_[17]||(_[17]=[ae(" 代码位置 src/views/able/mqtt-client.vue 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