frozone/mqtt.min.js

!function(e){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=e();else if("function"==typeof define&&define.amd)define([],e);else{("undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:this).mqtt=e()}}((function(){return function e(t,r,n){function i(o,a){if(!r[o]){if(!t[o]){var l="function"==typeof require&&require;if(!a&&l)return l(o,!0);if(s)return s(o,!0);var u=new Error("Cannot find module '"+o+"'");throw u.code="MODULE_NOT_FOUND",u}var c=r[o]={exports:{}};t[o][0].call(c.exports,(function(e){return i(t[o][1][e]||e)}),c,c.exports,e,t,r,n)}return r[o].exports}for(var s="function"==typeof require&&require,o=0;o<n.length;o++)i(n[o]);return i}({1:[function(e,t,r){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(r,"__esModule",{value:!0}),r.TypedEventEmitter=void 0;const i=n(e("events")),s=e("./shared");class o{}r.TypedEventEmitter=o,(0,s.applyMixin)(o,i.default)},{"./shared":17,events:49}],2:[function(e,t,r){(function(t,n){(function(){"use strict";var i=this&&this.__createBinding||(Object.create?function(e,t,r,n){void 0===n&&(n=r);var i=Object.getOwnPropertyDescriptor(t,r);i&&!("get"in i?!t.__esModule:i.writable||i.configurable)||(i={enumerable:!0,get:function(){return t[r]}}),Object.defineProperty(e,n,i)}:function(e,t,r,n){void 0===n&&(n=r),e[n]=t[r]}),s=this&&this.__setModuleDefault||(Object.create?function(e,t){Object.defineProperty(e,"default",{enumerable:!0,value:t})}:function(e,t){e.default=t}),o=this&&this.__importStar||function(e){if(e&&e.__esModule)return e;var t={};if(null!=e)for(var r in e)"default"!==r&&Object.prototype.hasOwnProperty.call(e,r)&&i(t,e,r);return s(t,e),t},a=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(r,"__esModule",{value:!0});const l=a(e("./topic-alias-recv")),u=a(e("mqtt-packet")),c=a(e("./default-message-id-provider")),h=e("readable-stream"),f=a(e("reinterval")),d=a(e("rfdc/default")),p=o(e("./validations")),b=a(e("debug")),g=a(e("./store")),m=a(e("./handlers")),y=e("./TypedEmitter"),_=t?t.nextTick:e=>{setTimeout(e,0)},w=n.setImmediate||((...e)=>{const t=e.shift();_((()=>{t(...e)}))}),v={keepalive:60,reschedulePings:!0,protocolId:"MQTT",protocolVersion:4,reconnectPeriod:1e3,connectTimeout:3e4,clean:!0,resubscribe:!0,writeCache:!0},S=["ECONNREFUSED","EADDRINUSE","ECONNRESET","ENOTFOUND","ETIMEDOUT"];class E extends y.TypedEventEmitter{static defaultId(){return`mqttjs_${Math.random().toString(16).substr(2,8)}`}constructor(e,t){super(),this.options=t||{};for(const e in v)void 0===this.options[e]?this.options[e]=v[e]:this.options[e]=t[e];this.log=this.options.log||(0,b.default)("mqttjs:client"),this.noop=this._noop.bind(this),this.log("MqttClient :: options.protocol",t.protocol),this.log("MqttClient :: options.protocolVersion",t.protocolVersion),this.log("MqttClient :: options.username",t.username),this.log("MqttClient :: options.keepalive",t.keepalive),this.log("MqttClient :: options.reconnectPeriod",t.reconnectPeriod),this.log("MqttClient :: options.rejectUnauthorized",t.rejectUnauthorized),this.log("MqttClient :: options.properties.topicAliasMaximum",t.properties?t.properties.topicAliasMaximum:void 0),this.options.clientId="string"==typeof t.clientId?t.clientId:E.defaultId(),this.log("MqttClient :: clientId",this.options.clientId),this.options.customHandleAcks=5===t.protocolVersion&&t.customHandleAcks?t.customHandleAcks:(...e)=>{e[3](null,0)},this.options.writeCache||(u.default.writeToStream.cacheNumbers=!1),this.streamBuilder=e,this.messageIdProvider=void 0===this.options.messageIdProvider?new c.default:this.options.messageIdProvider,this.outgoingStore=t.outgoingStore||new g.default,this.incomingStore=t.incomingStore||new g.default,this.queueQoSZero=void 0===t.queueQoSZero||t.queueQoSZero,this._resubscribeTopics={},this.messageIdToTopic={},this.pingTimer=null,this.connected=!1,this.disconnecting=!1,this.reconnecting=!1,this.queue=[],this.connackTimer=null,this.reconnectTimer=null,this._storeProcessing=!1,this._packetIdsDuringStoreProcessing={},this._storeProcessingQueue=[],this.outgoing={},this._firstConnection=!0,t.properties&&t.properties.topicAliasMaximum>0&&(t.properties.topicAliasMaximum>65535?this.log("MqttClient :: options.properties.topicAliasMaximum is out of range"):this.topicAliasRecv=new l.default(t.properties.topicAliasMaximum)),this.on("connect",(()=>{const{queue:e}=this,t=()=>{const r=e.shift();this.log("deliver :: entry %o",r);let n=null;if(!r)return void this._resubscribe();n=r.packet,this.log("deliver :: call _sendPacket for %o",n);let i=!0;n.messageId&&0!==n.messageId&&(this.messageIdProvider.register(n.messageId)||(i=!1)),i?this._sendPacket(n,(e=>{r.cb&&r.cb(e),t()})):(this.log("messageId: %d has already used. The message is skipped and removed.",n.messageId),t())};this.log("connect :: sending queued packets"),t()})),this.on("close",(()=>{this.log("close :: connected set to `false`"),this.connected=!1,this.log("close :: clearing connackTimer"),clearTimeout(this.connackTimer),this.log("close :: clearing ping timer"),null!==this.pingTimer&&(this.pingTimer.clear(),this.pingTimer=null),this.topicAliasRecv&&this.topicAliasRecv.clear(),this.log("close :: calling _setupReconnect"),this._setupReconnect()})),this.options.manualConnect||(this.log("MqttClient :: setting up stream"),this.connect())}handleAuth(e,t){t()}handleMessage(e,t){t()}_nextId(){return this.messageIdProvider.allocate()}getLastMessageId(){return this.messageIdProvider.getLastAllocated()}connect(){var e;const t=new h.Writable,r=u.default.parser(this.options);let n=null;const i=[];this.log("connect :: calling method to clear reconnect"),this._clearReconnect(),this.log("connect :: using streamBuilder provided to client to create stream"),this.stream=this.streamBuilder(this),r.on("packet",(e=>{this.log("parser :: on packet push to packets array."),i.push(e)}));const s=()=>{this.log("work :: getting next packet in queue");const e=i.shift();if(e)this.log("work :: packet pulled from queue"),(0,m.default)(this,e,o);else{this.log("work :: no packets in queue");const e=n;n=null,this.log("work :: done flag is %s",!!e),e&&e()}},o=()=>{if(i.length)_(s);else{const e=n;n=null,e()}};t._write=(e,t,i)=>{n=i,this.log("writable stream :: parsing buffer"),r.parse(e),s()};this.log("connect :: pipe stream to writable stream"),this.stream.pipe(t),this.stream.on("error",(e=>{this.log("streamErrorHandler :: error",e.message),S.includes(e.code)?(this.log("streamErrorHandler :: emitting error"),this.emit("error",e)):this.noop(e)})),this.stream.on("close",(()=>{this.log("(%s)stream :: on close",this.options.clientId),this._flushVolatile(),this.log("stream: emit close to MqttClient"),this.emit("close")})),this.log("connect: sending packet `connect`");const a={cmd:"connect",protocolId:this.options.protocolId,protocolVersion:this.options.protocolVersion,clean:this.options.clean,clientId:this.options.clientId,keepalive:this.options.keepalive,username:this.options.username,password:this.options.password,properties:this.options.properties};if(this.options.will&&(a.will=Object.assign(Object.assign({},this.options.will),{payload:null===(e=this.options.will)||void 0===e?void 0:e.payload})),this.topicAliasRecv&&(a.properties||(a.properties={}),this.topicAliasRecv&&(a.properties.topicAliasMaximum=this.topicAliasRecv.max)),this._writePacket(a),r.on("error",this.emit.bind(this,"error")),this.options.properties){if(!this.options.properties.authenticationMethod&&this.options.properties.authenticationData)return this.end((()=>this.emit("error",new Error("Packet has no Authentication Method")))),this;if(this.options.properties.authenticationMethod&&this.options.authPacket&&"object"==typeof this.options.authPacket){const e=Object.assign({cmd:"auth",reasonCode:0},this.options.authPacket);this._writePacket(e)}}return this.stream.setMaxListeners(1e3),clearTimeout(this.connackTimer),this.connackTimer=setTimeout((()=>{this.log("!!connectTimeout hit!! Calling _cleanUp with force `true`"),this._cleanUp(!0)}),this.options.connectTimeout),this}publish(e,t,r,n){this.log("publish :: message `%s` to topic `%s`",t,e);const{options:i}=this;"function"==typeof r&&(n=r,r=null),r=r||{};r=Object.assign(Object.assign({},{qos:0,retain:!1,dup:!1}),r);const{qos:s,retain:o,dup:a,properties:l,cbStorePut:u}=r;if(this._checkDisconnecting(n))return this;const c=()=>{let r=0;if((1===s||2===s)&&(r=this._nextId(),null===r))return this.log("No messageId left"),!1;const c={cmd:"publish",topic:e,payload:t,qos:s,retain:o,messageId:r,dup:a};switch(5===i.protocolVersion&&(c.properties=l),this.log("publish :: qos",s),s){case 1:case 2:this.outgoing[c.messageId]={volatile:!1,cb:n||this.noop},this.log("MqttClient:publish: packet cmd: %s",c.cmd),this._sendPacket(c,void 0,u);break;default:this.log("MqttClient:publish: packet cmd: %s",c.cmd),this._sendPacket(c,n,u)}return!0};return(this._storeProcessing||this._storeProcessingQueue.length>0||!c())&&this._storeProcessingQueue.push({invoke:c,cbStorePut:r.cbStorePut,callback:n}),this}publishAsync(e,t,r){return new Promise(((n,i)=>{this.publish(e,t,r,((e,t)=>{e?i(e):n(t)}))}))}subscribe(e,t,r){const n=this.options.protocolVersion;"function"==typeof t&&(r=t),r=r||this.noop;let i=!1,s=[];"string"==typeof e?s=e=[e]:Array.isArray(e)?s=e:"object"==typeof e&&(i=e.resubscribe,delete e.resubscribe,s=Object.keys(e));const o=p.validateTopics(s);if(null!==o)return w(r,new Error(`Invalid topic ${o}`)),this;if(this._checkDisconnecting(r))return this.log("subscribe: discconecting true"),this;const a={qos:0};5===n&&(a.nl=!1,a.rap=!1,a.rh=0);const l=(t=Object.assign(Object.assign({},a),t)).properties,u=[],c=(e,r)=>{if(r=r||t,!Object.prototype.hasOwnProperty.call(this._resubscribeTopics,e)||this._resubscribeTopics[e].qos<r.qos||i){const t={topic:e,qos:r.qos};5===n&&(t.nl=r.nl,t.rap=r.rap,t.rh=r.rh,t.properties=l),this.log("subscribe: pushing topic `%s` and qos `%s` to subs list",t.topic,t.qos),u.push(t)}};if(Array.isArray(e)?e.forEach((e=>{this.log("subscribe: array topic %s",e),c(e)})):Object.keys(e).forEach((t=>{this.log("subscribe: object topic %s, %o",t,e[t]),c(t,e[t])})),!u.length)return r(null,[]),this;const h=()=>{const e=this._nextId();if(null===e)return this.log("No messageId left"),!1;const t={cmd:"subscribe",subscriptions:u,messageId:e};if(l&&(t.properties=l),this.options.resubscribe){this.log("subscribe :: resubscribe true");const e=[];u.forEach((t=>{if(this.options.reconnectPeriod>0){const r={qos:t.qos};5===n&&(r.nl=t.nl||!1,r.rap=t.rap||!1,r.rh=t.rh||0,r.properties=t.properties),this._resubscribeTopics[t.topic]=r,e.push(t.topic)}})),this.messageIdToTopic[t.messageId]=e}return this.outgoing[t.messageId]={volatile:!0,cb(e,t){if(!e){const{granted:e}=t;for(let t=0;t<e.length;t+=1)u[t].qos=e[t]}r(e,u)}},this.log("subscribe :: call _sendPacket"),this._sendPacket(t),!0};return(this._storeProcessing||this._storeProcessingQueue.length>0||!h())&&this._storeProcessingQueue.push({invoke:h,callback:r}),this}subscribeAsync(e,t){return new Promise(((r,n)=>{this.subscribe(e,t,((e,t)=>{e?n(e):r(t)}))}))}unsubscribe(e,t,r){"string"==typeof e&&(e=[e]),"function"==typeof t&&(r=t),r=r||this.noop;const n=p.validateTopics(e);if(null!==n)return w(r,new Error(`Invalid topic ${n}`)),this;if(this._checkDisconnecting(r))return this;const i=()=>{const n=this._nextId();if(null===n)return this.log("No messageId left"),!1;const i={cmd:"unsubscribe",messageId:n,unsubscriptions:[]};return"string"==typeof e?i.unsubscriptions=[e]:Array.isArray(e)&&(i.unsubscriptions=e),this.options.resubscribe&&i.unsubscriptions.forEach((e=>{delete this._resubscribeTopics[e]})),"object"==typeof t&&t.properties&&(i.properties=t.properties),this.outgoing[i.messageId]={volatile:!0,cb:r},this.log("unsubscribe: call _sendPacket"),this._sendPacket(i),!0};return(this._storeProcessing||this._storeProcessingQueue.length>0||!i())&&this._storeProcessingQueue.push({invoke:i,callback:r}),this}unsubscribeAsync(e,t){return new Promise(((r,n)=>{this.unsubscribe(e,t,((e,t)=>{e?n(e):r(t)}))}))}end(e,t,r){this.log("end :: (%s)",this.options.clientId),null!=e&&"boolean"==typeof e||(r=r||t,t=e,e=!1),"object"!=typeof t&&(r=r||t,t=null),this.log("end :: cb? %s",!!r),r&&"function"==typeof r||(r=this.noop);const n=()=>{this.log("end :: closeStores: closing incoming and outgoing stores"),this.disconnected=!0,this.incomingStore.close((e=>{this.outgoingStore.close((t=>{if(this.log("end :: closeStores: emitting end"),this.emit("end"),r){const n=e||t;this.log("end :: closeStores: invoking callback with args"),r(n)}}))})),this._deferredReconnect&&this._deferredReconnect()},i=()=>{this.log("end :: (%s) :: finish :: calling _cleanUp with force %s",this.options.clientId,e),this._cleanUp(e,(()=>{this.log("end :: finish :: calling process.nextTick on closeStores"),_(n)}),t)};return this.disconnecting?(r(),this):(this._clearReconnect(),this.disconnecting=!0,!e&&Object.keys(this.outgoing).length>0?(this.log("end :: (%s) :: calling finish in 10ms once outgoing is empty",this.options.clientId),this.once("outgoingEmpty",setTimeout.bind(null,i,10))):(this.log("end :: (%s) :: immediately calling finish",this.options.clientId),i()),this)}endAsync(e,t){return new Promise(((r,n)=>{this.end(e,t,(e=>{e?n(e):r()}))}))}removeOutgoingMessage(e){if(this.outgoing[e]){const{cb:t}=this.outgoing[e];this._removeOutgoingAndStoreMessage(e,(()=>{t(new Error("Message removed"))}))}return this}reconnect(e){this.log("client reconnect");const t=()=>{e?(this.options.incomingStore=e.incomingStore,this.options.outgoingStore=e.outgoingStore):(this.options.incomingStore=null,this.options.outgoingStore=null),this.incomingStore=this.options.incomingStore||new g.default,this.outgoingStore=this.options.outgoingStore||new g.default,this.disconnecting=!1,this.disconnected=!1,this._deferredReconnect=null,this._reconnect()};return this.disconnecting&&!this.disconnected?this._deferredReconnect=t:t(),this}_flushVolatile(){this.outgoing&&(this.log("_flushVolatile :: deleting volatile messages from the queue and setting their callbacks as error function"),Object.keys(this.outgoing).forEach((e=>{this.outgoing[e].volatile&&"function"==typeof this.outgoing[e].cb&&(this.outgoing[e].cb(new Error("Connection closed")),delete this.outgoing[e])})))}_flush(){this.outgoing&&(this.log("_flush: queue exists? %b",!!this.outgoing),Object.keys(this.outgoing).forEach((e=>{"function"==typeof this.outgoing[e].cb&&(this.outgoing[e].cb(new Error("Connection closed")),delete this.outgoing[e])})))}_removeTopicAliasAndRecoverTopicName(e){let t;e.properties&&(t=e.properties.topicAlias);let r=e.topic.toString();if(this.log("_removeTopicAliasAndRecoverTopicName :: alias %d, topic %o",t,r),0===r.length){if(void 0===t)return new Error("Unregistered Topic Alias");if(r=this.topicAliasSend.getTopicByAlias(t),void 0===r)return new Error("Unregistered Topic Alias");e.topic=r}t&&delete e.properties.topicAlias}_checkDisconnecting(e){return this.disconnecting&&(e&&e!==this.noop?e(new Error("client disconnecting")):this.emit("error",new Error("client disconnecting"))),this.disconnecting}_reconnect(){this.log("_reconnect: emitting reconnect to client"),this.emit("reconnect"),this.connected?(this.end((()=>{this.connect()})),this.log("client already connected. disconnecting first.")):(this.log("_reconnect: calling connect"),this.connect())}_setupReconnect(){!this.disconnecting&&!this.reconnectTimer&&this.options.reconnectPeriod>0?(this.reconnecting||(this.log("_setupReconnect :: emit `offline` state"),this.emit("offline"),this.log("_setupReconnect :: set `reconnecting` to `true`"),this.reconnecting=!0),this.log("_setupReconnect :: setting reconnectTimer for %d ms",this.options.reconnectPeriod),this.reconnectTimer=setInterval((()=>{this.log("reconnectTimer :: reconnect triggered!"),this._reconnect()}),this.options.reconnectPeriod)):this.log("_setupReconnect :: doing nothing...")}_clearReconnect(){this.log("_clearReconnect : clearing reconnect timer"),this.reconnectTimer&&(clearInterval(this.reconnectTimer),this.reconnectTimer=null)}_cleanUp(e,t,r={}){if(t&&(this.log("_cleanUp :: done callback provided for on stream close"),this.stream.on("close",t)),this.log("_cleanUp :: forced? %s",e),e)0===this.options.reconnectPeriod&&this.options.clean&&this._flush(),this.log("_cleanUp :: (%s) :: destroying stream",this.options.clientId),this.stream.destroy();else{const e=Object.assign({cmd:"disconnect"},r);this.log("_cleanUp :: (%s) :: call _sendPacket with disconnect packet",this.options.clientId),this._sendPacket(e,(()=>{this.log("_cleanUp :: (%s) :: destroying stream",this.options.clientId),w((()=>{this.stream.end((()=>{this.log("_cleanUp :: (%s) :: stream destroyed",this.options.clientId)}))}))}))}this.disconnecting||(this.log("_cleanUp :: client not disconnecting. Clearing and resetting reconnect."),this._clearReconnect(),this._setupReconnect()),null!==this.pingTimer&&(this.log("_cleanUp :: clearing pingTimer"),this.pingTimer.clear(),this.pingTimer=null),t&&!this.connected&&(this.log("_cleanUp :: (%s) :: removing stream `done` callback `close` listener",this.options.clientId),this.stream.removeListener("close",t),t())}_storeAndSend(e,t,r){this.log("storeAndSend :: store packet with cmd %s to outgoingStore",e.cmd);let n,i=e;if("publish"===i.cmd&&(i=(0,d.default)(e),n=this._removeTopicAliasAndRecoverTopicName(i),n))return t&&t(n);this.outgoingStore.put(i,(n=>{if(n)return t&&t(n);r(),this._writePacket(e,t)}))}_applyTopicAlias(e){if(5===this.options.protocolVersion&&"publish"===e.cmd){let t;e.properties&&(t=e.properties.topicAlias);const r=e.topic.toString();if(this.topicAliasSend)if(t){if(0!==r.length&&(this.log("applyTopicAlias :: register topic: %s - alias: %d",r,t),!this.topicAliasSend.put(r,t)))return this.log("applyTopicAlias :: error out of range. topic: %s - alias: %d",r,t),new Error("Sending Topic Alias out of range")}else 0!==r.length&&(this.options.autoAssignTopicAlias?(t=this.topicAliasSend.getAliasByTopic(r),t?(e.topic="",e.properties=Object.assign(Object.assign({},e.properties),{topicAlias:t}),this.log("applyTopicAlias :: auto assign(use) topic: %s - alias: %d",r,t)):(t=this.topicAliasSend.getLruAlias(),this.topicAliasSend.put(r,t),e.properties=Object.assign(Object.assign({},e.properties),{topicAlias:t}),this.log("applyTopicAlias :: auto assign topic: %s - alias: %d",r,t))):this.options.autoUseTopicAlias&&(t=this.topicAliasSend.getAliasByTopic(r),t&&(e.topic="",e.properties=Object.assign(Object.assign({},e.properties),{topicAlias:t}),this.log("applyTopicAlias :: auto use topic: %s - alias: %d",r,t))));else if(t)return this.log("applyTopicAlias :: error out of range. topic: %s - alias: %d",r,t),new Error("Sending Topic Alias out of range")}}_noop(e){this.log("noop ::",e)}_writePacket(e,t){this.log("_writePacket :: packet: %O",e),this.log("_writePacket :: emitting `packetsend`"),this.emit("packetsend",e),this._shiftPingInterval(),this.log("_writePacket :: writing to stream");const r=u.default.writeToStream(e,this.stream,this.options);this.log("_writePacket :: writeToStream result %s",r),!r&&t&&t!==this.noop?(this.log("_writePacket :: handle events on `drain` once through callback."),this.stream.once("drain",t)):t&&(this.log("_writePacket :: invoking cb"),t())}_sendPacket(e,t,r,n){this.log("_sendPacket :: (%s) ::  start",this.options.clientId),r=r||this.noop,t=t||this.noop;const i=this._applyTopicAlias(e);if(i)t(i);else{if(!this.connected)return"auth"===e.cmd?void this._writePacket(e,t):(this.log("_sendPacket :: client not connected. Storing packet offline."),void this._storePacket(e,t,r));if(n)this._writePacket(e,t);else{switch(e.cmd){case"publish":break;case"pubrel":return void this._storeAndSend(e,t,r);default:return void this._writePacket(e,t)}switch(e.qos){case 2:case 1:this._storeAndSend(e,t,r);break;default:this._writePacket(e,t)}this.log("_sendPacket :: (%s) ::  end",this.options.clientId)}}}_storePacket(e,t,r){this.log("_storePacket :: packet: %o",e),this.log("_storePacket :: cb? %s",!!t),r=r||this.noop;let n=e;if("publish"===n.cmd){n=(0,d.default)(e);const r=this._removeTopicAliasAndRecoverTopicName(n);if(r)return t&&t(r)}const i=n.qos||0;0===i&&this.queueQoSZero||"publish"!==n.cmd?this.queue.push({packet:n,cb:t}):i>0?(t=this.outgoing[n.messageId]?this.outgoing[n.messageId].cb:null,this.outgoingStore.put(n,(e=>{if(e)return t&&t(e);r()}))):t&&t(new Error("No connection to broker"))}_setupPingTimer(){this.log("_setupPingTimer :: keepalive %d (seconds)",this.options.keepalive),!this.pingTimer&&this.options.keepalive&&(this.pingResp=!0,this.pingTimer=(0,f.default)((()=>{this._checkPing()}),1e3*this.options.keepalive))}_shiftPingInterval(){this.pingTimer&&this.options.keepalive&&this.options.reschedulePings&&this.pingTimer.reschedule(1e3*this.options.keepalive)}_checkPing(){this.log("_checkPing :: checking ping..."),this.pingResp?(this.log("_checkPing :: ping response received. 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t.query.clientId&&(t.clientId=t.query.clientId),t.cert&&t.key){if(!t.protocol)throw new Error("Missing secure protocol key");if(-1===["mqtts","wss","wxs","alis"].indexOf(t.protocol))switch(t.protocol){case"mqtt":t.protocol="mqtts";break;case"ws":t.protocol="wss";break;case"wx":t.protocol="wxs";break;case"ali":t.protocol="alis";break;default:throw new Error(`Unknown protocol for secure connection: "${t.protocol}"!`)}}if(!u[t.protocol]){const e=-1!==["mqtts","wss"].indexOf(t.protocol);t.protocol=["mqtt","mqtts","ws","wss","wx","wxs","ali","alis"].filter(((t,r)=>(!e||r%2!=0)&&"function"==typeof u[t]))[0]}if(!1===t.clean&&!t.clientId)throw new Error("Missing clientId for unclean clients");t.protocol&&(t.defaultProtocol=t.protocol);const r=new o.default((function(e){return t.servers&&(e._reconnectCount&&e._reconnectCount!==t.servers.length||(e._reconnectCount=0),t.host=t.servers[e._reconnectCount].host,t.port=t.servers[e._reconnectCount].port,t.protocol=t.servers[e._reconnectCount].protocol?t.servers[e._reconnectCount].protocol:t.defaultProtocol,t.hostname=t.host,e._reconnectCount++),l("calling streambuilder for",t.protocol),u[t.protocol](e,t)}),t);return r.on("error",(()=>{})),r}a.default?(u.wx=e("./wx").default,u.wxs=e("./wx").default,u.ali=e("./ali").default,u.alis=e("./ali").default):(u.mqtt=e("./tcp").default,u.tcp=e("./tcp").default,u.ssl=e("./tls").default,u.tls=u.ssl,u.mqtts=e("./tls").default),u.ws=e("./ws").default,u.wss=e("./ws").default,r.connectAsync=function(e,t,r=!0){return new Promise(((n,i)=>{const s=c(e,t),o={connect:e=>{a(),n(s)},end:()=>{a(),n(s)},error:e=>{a(),s.end(),i(e)}};function a(){Object.keys(o).forEach((e=>{s.off(e,o[e])}))}!1===r&&(o.close=()=>{o.error(new Error("Couldn't connect to server"))}),Object.keys(o).forEach((e=>{s.on(e,o[e])}))}))},r.default=c},{"../client":2,"../is-browser":16,"./ali":3,"./tcp":5,"./tls":6,"./ws":7,"./wx":8,debug:30,url:137}],5:[function(e,t,r){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(r,"__esModule",{value:!0});const i=n(e("net")),s=(0,n(e("debug")).default)("mqttjs:tcp");r.default=(e,t)=>{t.port=t.port||1883,t.hostname=t.hostname||t.host||"localhost";const{port:r}=t,n=t.hostname;return s("port %d and host %s",r,n),i.default.createConnection(r,n)}},{debug:30,net:26}],6:[function(e,t,r){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(r,"__esModule",{value:!0});const i=n(e("tls")),s=n(e("net")),o=(0,n(e("debug")).default)("mqttjs:tls");r.default=(e,t)=>{t.port=t.port||8883,t.host=t.hostname||t.host||"localhost",0===s.default.isIP(t.host)&&(t.servername=t.host),t.rejectUnauthorized=!1!==t.rejectUnauthorized,delete t.path,o("port %d host %s rejectUnauthorized %b",t.port,t.host,t.rejectUnauthorized);const r=i.default.connect(t);function n(n){t.rejectUnauthorized&&e.emit("error",n),r.end()}return r.on("secureConnect",(()=>{t.rejectUnauthorized&&!r.authorized?r.emit("error",new Error("TLS not authorized")):r.removeListener("error",n)})),r.on("error",n),r}},{debug:30,net:26,tls:26}],7:[function(e,t,r){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(r,"__esModule",{value:!0});const i=e("buffer"),s=n(e("ws")),o=n(e("debug")),a=n(e("duplexify")),l=e("readable-stream"),u=n(e("../is-browser")),c=(0,o.default)("mqttjs:ws"),h=["rejectUnauthorized","ca","cert","key","pfx","passphrase"];function f(e,t){let r=`${e.protocol}://${e.hostname}:${e.port}${e.path}`;return"function"==typeof e.transformWsUrl&&(r=e.transformWsUrl(r,e,t)),r}function d(e){const t=e;return e.hostname||(t.hostname="localhost"),e.port||("wss"===e.protocol?t.port=443:t.port=80),e.path||(t.path="/"),e.wsOptions||(t.wsOptions={}),u.default||"wss"!==e.protocol||h.forEach((r=>{Object.prototype.hasOwnProperty.call(e,r)&&!Object.prototype.hasOwnProperty.call(e.wsOptions,r)&&(t.wsOptions[r]=e[r])})),t}r.default=u.default?(e,t)=>{let r;c("browserStreamBuilder");const n=function(e){const t=d(e);if(t.hostname||(t.hostname=t.host),!t.hostname){if("undefined"==typeof document)throw new Error("Could not determine host. Specify host manually.");const e=new URL(document.URL);t.hostname=e.hostname,t.port||(t.port=Number(e.port))}return void 0===t.objectMode&&(t.objectMode=!(!0===t.binary||void 0===t.binary)),t}(t),s=n.browserBufferSize||524288,o=t.browserBufferTimeout||1e3,u=!t.objectMode,h=function(e,t){const r="MQIsdp"===t.protocolId&&3===t.protocolVersion?"mqttv3.1":"mqtt",n=f(t,e);let i;return i=t.createWebsocket?t.createWebsocket(n,[r],t):new WebSocket(n,[r]),i.binaryType="arraybuffer",i}(e,t),p=function(e,t,r){const n=new l.Transform({objectMode:e.objectMode});return n._write=t,n._flush=r,n}(t,(function e(t,r,n){h.bufferedAmount>s&&setTimeout(e,o,t,r,n);u&&"string"==typeof t&&(t=i.Buffer.from(t,"utf8"));try{h.send(t)}catch(e){return n(e)}n()}),(function(e){h.close(),e()}));t.objectMode||(p._writev=w),p.on("close",(()=>{h.close()}));const b=void 0!==h.addEventListener;function g(){r.setReadable(p),r.setWritable(p),r.emit("connect")}function m(){r.end(),r.destroy()}function y(e){r.destroy(e)}function _(e){let{data:t}=e;t=t instanceof ArrayBuffer?i.Buffer.from(t):i.Buffer.from(t,"utf8"),p.push(t)}function w(e,t){const r=new Array(e.length);for(let t=0;t<e.length;t++)"string"==typeof e[t].chunk?r[t]=i.Buffer.from(e[t],"utf8"):r[t]=e[t].chunk;this._write(i.Buffer.concat(r),"binary",t)}return h.readyState===h.OPEN?r=p:(r=(0,a.default)(void 0,void 0,t),t.objectMode||(r._writev=w),b?h.addEventListener("open",g):h.onopen=g),r.socket=h,b?(h.addEventListener("close",m),h.addEventListener("error",y),h.addEventListener("message",_)):(h.onclose=m,h.onerror=y,h.onmessage=_),r}:(e,t)=>{c("streamBuilder");const r=d(t),n=f(r,e),i=function(e,t,r){c("createWebSocket"),c(`protocol: ${r.protocolId} ${r.protocolVersion}`);const n="MQIsdp"===r.protocolId&&3===r.protocolVersion?"mqttv3.1":"mqtt";let i;return c(`creating new Websocket for url: ${t} and protocol: ${n}`),i=r.createWebsocket?r.createWebsocket(t,[n],r):new s.default(t,[n],r.wsOptions),i}(0,n,r),o=s.default.createWebSocketStream(i,r.wsOptions);return o.url=n,i.on("close",(()=>{o.destroy()})),o}},{"../is-browser":16,buffer:29,debug:30,duplexify:32,"readable-stream":125,ws:141}],8:[function(e,t,r){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(r,"__esModule",{value:!0});const i=e("buffer"),s=e("readable-stream"),o=n(e("duplexify"));let a,l,u;r.default=(e,t)=>{if(t.hostname=t.hostname||t.host,!t.hostname)throw new Error("Could not determine host. 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e=this.p;for(;e!==this.h;)yield e.u,e=e.B}.bind(this)()}}var a=o;r.default=a},{"../../utils/throwError":71,"./Base":53}],56:[function(e,t,r){"use strict";Object.defineProperty(r,"t",{value:!0}),r.default=void 0;var n=e("../ContainerBase");class i extends n.Base{constructor(e=[],t=function(e,t){return e>t?-1:e<t?1:0},r=!0){if(super(),this.v=t,Array.isArray(e))this.C=r?[...e]:e;else{this.C=[];const t=this;e.forEach((function(e){t.C.push(e)}))}this.i=this.C.length;const n=this.i>>1;for(let e=this.i-1>>1;e>=0;--e)this.k(e,n)}m(e){const t=this.C[e];for(;e>0;){const r=e-1>>1,n=this.C[r];if(this.v(n,t)<=0)break;this.C[e]=n,e=r}this.C[e]=t}k(e,t){const r=this.C[e];for(;e<t;){let t=e<<1|1;const n=t+1;let i=this.C[t];if(n<this.i&&this.v(i,this.C[n])>0&&(t=n,i=this.C[n]),this.v(i,r)>=0)break;this.C[e]=i,e=t}this.C[e]=r}clear(){this.i=0,this.C.length=0}push(e){this.C.push(e),this.m(this.i),this.i+=1}pop(){if(0===this.i)return;const e=this.C[0],t=this.C.pop();return this.i-=1,this.i&&(this.C[0]=t,this.k(0,this.i>>1)),e}top(){return this.C[0]}find(e){return this.C.indexOf(e)>=0}remove(e){const t=this.C.indexOf(e);return!(t<0)&&(0===t?this.pop():t===this.i-1?(this.C.pop(),this.i-=1):(this.C.splice(t,1,this.C.pop()),this.i-=1,this.m(t),this.k(t,this.i>>1)),!0)}updateItem(e){const t=this.C.indexOf(e);return!(t<0)&&(this.m(t),this.k(t,this.i>>1),!0)}toArray(){return[...this.C]}}var s=i;r.default=s},{"../ContainerBase":52}],57:[function(e,t,r){"use strict";Object.defineProperty(r,"t",{value:!0}),r.default=void 0;var n=e("../ContainerBase");class i extends n.Base{constructor(e=[]){super(),this.j=0,this.q=[];const t=this;e.forEach((function(e){t.push(e)}))}clear(){this.q=[],this.i=this.j=0}push(e){const t=this.q.length;if(this.j/t>.5&&this.j+this.i>=t&&t>4096){const t=this.i;for(let e=0;e<t;++e)this.q[e]=this.q[this.j+e];this.j=0,this.q[this.i]=e}else this.q[this.j+this.i]=e;return++this.i}pop(){if(0===this.i)return;const e=this.q[this.j++];return this.i-=1,e}front(){if(0!==this.i)return this.q[this.j]}}var s=i;r.default=s},{"../ContainerBase":52}],58:[function(e,t,r){"use strict";Object.defineProperty(r,"t",{value:!0}),r.default=void 0;var n=e("../ContainerBase");class i extends n.Base{constructor(e=[]){super(),this.S=[];const t=this;e.forEach((function(e){t.push(e)}))}clear(){this.i=0,this.S=[]}push(e){return this.S.push(e),this.i+=1,this.i}pop(){if(0!==this.i)return this.i-=1,this.S.pop()}top(){return this.S[this.i-1]}}var s=i;r.default=s},{"../ContainerBase":52}],59:[function(e,t,r){"use strict";Object.defineProperty(r,"t",{value:!0}),r.RandomIterator=void 0;var n=e("../../ContainerBase"),i=e("../../../utils/throwError");class s extends n.ContainerIterator{constructor(e,t){super(t),this.o=e,0===this.iteratorType?(this.pre=function(){return 0===this.o&&(0,i.throwIteratorAccessError)(),this.o-=1,this},this.next=function(){return this.o===this.container.size()&&(0,i.throwIteratorAccessError)(),this.o+=1,this}):(this.pre=function(){return this.o===this.container.size()-1&&(0,i.throwIteratorAccessError)(),this.o+=1,this},this.next=function(){return-1===this.o&&(0,i.throwIteratorAccessError)(),this.o-=1,this})}get pointer(){return this.container.getElementByPos(this.o)}set pointer(e){this.container.setElementByPos(this.o,e)}}r.RandomIterator=s},{"../../../utils/throwError":71,"../../ContainerBase":52}],60:[function(e,t,r){"use strict";Object.defineProperty(r,"t",{value:!0}),r.default=void 0;var n=e("../../ContainerBase");class i extends n.Container{}var s=i;r.default=s},{"../../ContainerBase":52}],61:[function(e,t,r){"use strict";Object.defineProperty(r,"t",{value:!0}),r.default=void 0;var n,i=(n=e("./Base"))&&n.t?n:{default:n},s=e("./Base/RandomIterator");class o extends s.RandomIterator{constructor(e,t,r){super(e,r),this.container=t}copy(){return new o(this.o,this.container,this.iteratorType)}}class a extends i.default{constructor(e=[],t=4096){super(),this.j=0,this.D=0,this.R=0,this.N=0,this.P=0,this.A=[];const r=(()=>{if("number"==typeof e.length)return e.length;if("number"==typeof e.size)return e.size;if("function"==typeof e.size)return e.size();throw new TypeError("Cannot get the length or size of the container")})();this.F=t,this.P=Math.max(Math.ceil(r/this.F),1);for(let e=0;e<this.P;++e)this.A.push(new Array(this.F));const n=Math.ceil(r/this.F);this.j=this.R=(this.P>>1)-(n>>1),this.D=this.N=this.F-r%this.F>>1;const i=this;e.forEach((function(e){i.pushBack(e)}))}T(){const e=[],t=Math.max(this.P>>1,1);for(let r=0;r<t;++r)e[r]=new Array(this.F);for(let t=this.j;t<this.P;++t)e[e.length]=this.A[t];for(let t=0;t<this.R;++t)e[e.length]=this.A[t];e[e.length]=[...this.A[this.R]],this.j=t,this.R=e.length-1;for(let r=0;r<t;++r)e[e.length]=new Array(this.F);this.A=e,this.P=e.length}O(e){const t=this.D+e+1,r=t%this.F;let n=r-1,i=this.j+(t-r)/this.F;return 0===r&&(i-=1),i%=this.P,n<0&&(n+=this.F),{curNodeBucketIndex:i,curNodePointerIndex:n}}clear(){this.A=[new Array(this.F)],this.P=1,this.j=this.R=this.i=0,this.D=this.N=this.F>>1}begin(){return new o(0,this)}end(){return new o(this.i,this)}rBegin(){return new o(this.i-1,this,1)}rEnd(){return new o(-1,this,1)}front(){if(0!==this.i)return this.A[this.j][this.D]}back(){if(0!==this.i)return this.A[this.R][this.N]}pushBack(e){return this.i&&(this.N<this.F-1?this.N+=1:this.R<this.P-1?(this.R+=1,this.N=0):(this.R=0,this.N=0),this.R===this.j&&this.N===this.D&&this.T()),this.i+=1,this.A[this.R][this.N]=e,this.i}popBack(){if(0===this.i)return;const e=this.A[this.R][this.N];return 1!==this.i&&(this.N>0?this.N-=1:this.R>0?(this.R-=1,this.N=this.F-1):(this.R=this.P-1,this.N=this.F-1)),this.i-=1,e}pushFront(e){return this.i&&(this.D>0?this.D-=1:this.j>0?(this.j-=1,this.D=this.F-1):(this.j=this.P-1,this.D=this.F-1),this.j===this.R&&this.D===this.N&&this.T()),this.i+=1,this.A[this.j][this.D]=e,this.i}popFront(){if(0===this.i)return;const e=this.A[this.j][this.D];return 1!==this.i&&(this.D<this.F-1?this.D+=1:this.j<this.P-1?(this.j+=1,this.D=0):(this.j=0,this.D=0)),this.i-=1,e}getElementByPos(e){if(e<0||e>this.i-1)throw new RangeError;const{curNodeBucketIndex:t,curNodePointerIndex:r}=this.O(e);return this.A[t][r]}setElementByPos(e,t){if(e<0||e>this.i-1)throw new RangeError;const{curNodeBucketIndex:r,curNodePointerIndex:n}=this.O(e);this.A[r][n]=t}insert(e,t,r=1){if(e<0||e>this.i)throw new RangeError;if(0===e)for(;r--;)this.pushFront(t);else if(e===this.i)for(;r--;)this.pushBack(t);else{const n=[];for(let t=e;t<this.i;++t)n.push(this.getElementByPos(t));this.cut(e-1);for(let e=0;e<r;++e)this.pushBack(t);for(let e=0;e<n.length;++e)this.pushBack(n[e])}return this.i}cut(e){if(e<0)return this.clear(),0;const{curNodeBucketIndex:t,curNodePointerIndex:r}=this.O(e);return this.R=t,this.N=r,this.i=e+1,this.i}eraseElementByPos(e){if(e<0||e>this.i-1)throw new RangeError;if(0===e)this.popFront();else if(e===this.i-1)this.popBack();else{const t=[];for(let r=e+1;r<this.i;++r)t.push(this.getElementByPos(r));this.cut(e),this.popBack();const r=this;t.forEach((function(e){r.pushBack(e)}))}return this.i}eraseElementByValue(e){if(0===this.i)return 0;const t=[];for(let r=0;r<this.i;++r){const n=this.getElementByPos(r);n!==e&&t.push(n)}const r=t.length;for(let e=0;e<r;++e)this.setElementByPos(e,t[e]);return this.cut(r-1)}eraseElementByIterator(e){const t=e.o;return this.eraseElementByPos(t),e=e.next()}find(e){for(let t=0;t<this.i;++t)if(this.getElementByPos(t)===e)return new o(t,this);return this.end()}reverse(){let e=0,t=this.i-1;for(;e<t;){const r=this.getElementByPos(e);this.setElementByPos(e,this.getElementByPos(t)),this.setElementByPos(t,r),e+=1,t-=1}}unique(){if(this.i<=1)return this.i;let e=1,t=this.getElementByPos(0);for(let r=1;r<this.i;++r){const n=this.getElementByPos(r);n!==t&&(t=n,this.setElementByPos(e++,n))}for(;this.i>e;)this.popBack();return this.i}sort(e){const t=[];for(let e=0;e<this.i;++e)t.push(this.getElementByPos(e));t.sort(e);for(let e=0;e<this.i;++e)this.setElementByPos(e,t[e])}shrinkToFit(){if(0===this.i)return;const e=[];this.forEach((function(t){e.push(t)})),this.P=Math.max(Math.ceil(this.i/this.F),1),this.i=this.j=this.R=this.D=this.N=0,this.A=[];for(let e=0;e<this.P;++e)this.A.push(new Array(this.F));for(let t=0;t<e.length;++t)this.pushBack(e[t])}forEach(e){for(let t=0;t<this.i;++t)e(this.getElementByPos(t),t,this)}[Symbol.iterator](){return function*(){for(let e=0;e<this.i;++e)yield this.getElementByPos(e)}.bind(this)()}}var l=a;r.default=l},{"./Base":60,"./Base/RandomIterator":59}],62:[function(e,t,r){"use strict";Object.defineProperty(r,"t",{value:!0}),r.default=void 0;var n,i=(n=e("./Base"))&&n.t?n:{default:n},s=e("../ContainerBase"),o=e("../../utils/throwError");class a extends s.ContainerIterator{constructor(e,t,r,n){super(n),this.o=e,this.h=t,this.container=r,0===this.iteratorType?(this.pre=function(){return this.o.L===this.h&&(0,o.throwIteratorAccessError)(),this.o=this.o.L,this},this.next=function(){return this.o===this.h&&(0,o.throwIteratorAccessError)(),this.o=this.o.B,this}):(this.pre=function(){return this.o.B===this.h&&(0,o.throwIteratorAccessError)(),this.o=this.o.B,this},this.next=function(){return this.o===this.h&&(0,o.throwIteratorAccessError)(),this.o=this.o.L,this})}get pointer(){return this.o===this.h&&(0,o.throwIteratorAccessError)(),this.o.l}set pointer(e){this.o===this.h&&(0,o.throwIteratorAccessError)(),this.o.l=e}copy(){return new a(this.o,this.h,this.container,this.iteratorType)}}class l extends i.default{constructor(e=[]){super(),this.h={},this.p=this._=this.h.L=this.h.B=this.h;const t=this;e.forEach((function(e){t.pushBack(e)}))}V(e){const{L:t,B:r}=e;t.B=r,r.L=t,e===this.p&&(this.p=r),e===this._&&(this._=t),this.i-=1}G(e,t){const r=t.B,n={l:e,L:t,B:r};t.B=n,r.L=n,t===this.h&&(this.p=n),r===this.h&&(this._=n),this.i+=1}clear(){this.i=0,this.p=this._=this.h.L=this.h.B=this.h}begin(){return new a(this.p,this.h,this)}end(){return new a(this.h,this.h,this)}rBegin(){return new a(this._,this.h,this,1)}rEnd(){return new a(this.h,this.h,this,1)}front(){return this.p.l}back(){return this._.l}getElementByPos(e){if(e<0||e>this.i-1)throw new RangeError;let t=this.p;for(;e--;)t=t.B;return t.l}eraseElementByPos(e){if(e<0||e>this.i-1)throw new RangeError;let t=this.p;for(;e--;)t=t.B;return this.V(t),this.i}eraseElementByValue(e){let t=this.p;for(;t!==this.h;)t.l===e&&this.V(t),t=t.B;return this.i}eraseElementByIterator(e){const t=e.o;return t===this.h&&(0,o.throwIteratorAccessError)(),e=e.next(),this.V(t),e}pushBack(e){return this.G(e,this._),this.i}popBack(){if(0===this.i)return;const e=this._.l;return this.V(this._),e}pushFront(e){return this.G(e,this.h),this.i}popFront(){if(0===this.i)return;const e=this.p.l;return this.V(this.p),e}setElementByPos(e,t){if(e<0||e>this.i-1)throw new RangeError;let r=this.p;for(;e--;)r=r.B;r.l=t}insert(e,t,r=1){if(e<0||e>this.i)throw new RangeError;if(r<=0)return this.i;if(0===e)for(;r--;)this.pushFront(t);else if(e===this.i)for(;r--;)this.pushBack(t);else{let n=this.p;for(let t=1;t<e;++t)n=n.B;const i=n.B;for(this.i+=r;r--;)n.B={l:t,L:n},n.B.L=n,n=n.B;n.B=i,i.L=n}return this.i}find(e){let t=this.p;for(;t!==this.h;){if(t.l===e)return new a(t,this.h,this);t=t.B}return this.end()}reverse(){if(this.i<=1)return;let e=this.p,t=this._,r=0;for(;r<<1<this.i;){const n=e.l;e.l=t.l,t.l=n,e=e.B,t=t.L,r+=1}}unique(){if(this.i<=1)return this.i;let e=this.p;for(;e!==this.h;){let t=e;for(;t.B!==this.h&&t.l===t.B.l;)t=t.B,this.i-=1;e.B=t.B,e.B.L=e,e=e.B}return this.i}sort(e){if(this.i<=1)return;const t=[];this.forEach((function(e){t.push(e)})),t.sort(e);let r=this.p;t.forEach((function(e){r.l=e,r=r.B}))}merge(e){const t=this;if(0===this.i)e.forEach((function(e){t.pushBack(e)}));else{let r=this.p;e.forEach((function(e){for(;r!==t.h&&r.l<=e;)r=r.B;t.G(e,r.L)}))}return this.i}forEach(e){let t=this.p,r=0;for(;t!==this.h;)e(t.l,r++,this),t=t.B}[Symbol.iterator](){return function*(){if(0===this.i)return;let e=this.p;for(;e!==this.h;)yield e.l,e=e.B}.bind(this)()}}var u=l;r.default=u},{"../../utils/throwError":71,"../ContainerBase":52,"./Base":60}],63:[function(e,t,r){"use strict";Object.defineProperty(r,"t",{value:!0}),r.default=void 0;var n,i=(n=e("./Base"))&&n.t?n:{default:n},s=e("./Base/RandomIterator");class o extends s.RandomIterator{constructor(e,t,r){super(e,r),this.container=t}copy(){return new o(this.o,this.container,this.iteratorType)}}class a extends 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Please use ${r} instead.`,"DeprecationWarning",e,n)},d=e=>e&&e===Math.floor(e)&&e>0&&isFinite(e),p=e=>d(e)?e<=Math.pow(2,8)?Uint8Array:e<=Math.pow(2,16)?Uint16Array:e<=Math.pow(2,32)?Uint32Array:e<=Number.MAX_SAFE_INTEGER?b:null:null;class b extends Array{constructor(e){super(e),this.fill(0)}}class g{constructor(e){if(0===e)return[];const t=p(e);this.heap=new t(e),this.length=0}push(e){this.heap[this.length++]=e}pop(){return this.heap[--this.length]}}class m{constructor(e={}){const{max:t=0,ttl:r,ttlResolution:n=1,ttlAutopurge:i,updateAgeOnGet:s,updateAgeOnHas:o,allowStale:u,dispose:f,disposeAfter:b,noDisposeOnSet:y,noUpdateTTL:_,maxSize:w=0,maxEntrySize:v=0,sizeCalculation:S,fetchMethod:E,fetchContext:A,noDeleteOnFetchRejection:k,noDeleteOnStaleGet:T,allowStaleOnFetchRejection:I,allowStaleOnFetchAbort:R,ignoreFetchAbort:O}=e,{length:C,maxAge:P,stale:x}=e instanceof m?{}:e;if(0!==t&&!d(t))throw new TypeError("max option must be a nonnegative integer");const M=t?p(t):Array;if(!M)throw new Error("invalid max value: "+t);if(this.max=t,this.maxSize=w,this.maxEntrySize=v||this.maxSize,this.sizeCalculation=S||C,this.sizeCalculation){if(!this.maxSize&&!this.maxEntrySize)throw new TypeError("cannot set sizeCalculation without setting maxSize or maxEntrySize");if("function"!=typeof this.sizeCalculation)throw new TypeError("sizeCalculation set to non-function")}if(this.fetchMethod=E||null,this.fetchMethod&&"function"!=typeof this.fetchMethod)throw new TypeError("fetchMethod must be a function if specified");if(this.fetchContext=A,!this.fetchMethod&&void 0!==A)throw new TypeError("cannot set fetchContext without fetchMethod");if(this.keyMap=new Map,this.keyList=new Array(t).fill(null),this.valList=new Array(t).fill(null),this.next=new M(t),this.prev=new M(t),this.head=0,this.tail=0,this.free=new g(t),this.initialFill=1,this.size=0,"function"==typeof f&&(this.dispose=f),"function"==typeof b?(this.disposeAfter=b,this.disposed=[]):(this.disposeAfter=null,this.disposed=null),this.noDisposeOnSet=!!y,this.noUpdateTTL=!!_,this.noDeleteOnFetchRejection=!!k,this.allowStaleOnFetchRejection=!!I,this.allowStaleOnFetchAbort=!!R,this.ignoreFetchAbort=!!O,0!==this.maxEntrySize){if(0!==this.maxSize&&!d(this.maxSize))throw new TypeError("maxSize must be a positive integer if specified");if(!d(this.maxEntrySize))throw new TypeError("maxEntrySize must be a positive integer if specified");this.initializeSizeTracking()}if(this.allowStale=!!u||!!x,this.noDeleteOnStaleGet=!!T,this.updateAgeOnGet=!!s,this.updateAgeOnHas=!!o,this.ttlResolution=d(n)||0===n?n:1,this.ttlAutopurge=!!i,this.ttl=r||P||0,this.ttl){if(!d(this.ttl))throw new TypeError("ttl must be a positive integer if specified");this.initializeTTLTracking()}if(0===this.max&&0===this.ttl&&0===this.maxSize)throw new TypeError("At least one of max, maxSize, or ttl is required");if(!this.ttlAutopurge&&!this.max&&!this.maxSize){const e="LRU_CACHE_UNBOUNDED";if(h(e)){a.add(e);c("TTL caching without ttlAutopurge, max, or maxSize can result in unbounded memory consumption.","UnboundedCacheWarning",e,m)}}x&&l("stale","allowStale"),P&&l("maxAge","ttl"),C&&l("length","sizeCalculation")}getRemainingTTL(e){return this.has(e,{updateAgeOnHas:!1})?1/0:0}initializeTTLTracking(){this.ttls=new b(this.max),this.starts=new b(this.max),this.setItemTTL=(e,t,n=r.now())=>{if(this.starts[e]=0!==t?n:0,this.ttls[e]=t,0!==t&&this.ttlAutopurge){const r=setTimeout((()=>{this.isStale(e)&&this.delete(this.keyList[e])}),t+1);r.unref&&r.unref()}},this.updateItemAge=e=>{this.starts[e]=0!==this.ttls[e]?r.now():0},this.statusTTL=(r,n)=>{r&&(r.ttl=this.ttls[n],r.start=this.starts[n],r.now=e||t(),r.remainingTTL=r.now+r.ttl-r.start)};let e=0;const t=()=>{const t=r.now();if(this.ttlResolution>0){e=t;const r=setTimeout((()=>e=0),this.ttlResolution);r.unref&&r.unref()}return t};this.getRemainingTTL=r=>{const n=this.keyMap.get(r);return void 0===n?0:0===this.ttls[n]||0===this.starts[n]?1/0:this.starts[n]+this.ttls[n]-(e||t())},this.isStale=r=>0!==this.ttls[r]&&0!==this.starts[r]&&(e||t())-this.starts[r]>this.ttls[r]}updateItemAge(e){}statusTTL(e,t){}setItemTTL(e,t,r){}isStale(e){return!1}initializeSizeTracking(){this.calculatedSize=0,this.sizes=new b(this.max),this.removeItemSize=e=>{this.calculatedSize-=this.sizes[e],this.sizes[e]=0},this.requireSize=(e,t,r,n)=>{if(this.isBackgroundFetch(t))return 0;if(!d(r)){if(!n)throw new TypeError("invalid size value (must be positive integer). When maxSize or maxEntrySize is used, sizeCalculation or size must be set.");if("function"!=typeof n)throw new TypeError("sizeCalculation must be a function");if(r=n(t,e),!d(r))throw new TypeError("sizeCalculation return invalid (expect positive integer)")}return r},this.addItemSize=(e,t,r)=>{if(this.sizes[e]=t,this.maxSize){const t=this.maxSize-this.sizes[e];for(;this.calculatedSize>t;)this.evict(!0)}this.calculatedSize+=this.sizes[e],r&&(r.entrySize=t,r.totalCalculatedSize=this.calculatedSize)}}removeItemSize(e){}addItemSize(e,t){}requireSize(e,t,r,n){if(r||n)throw new TypeError("cannot set size without setting maxSize or maxEntrySize on cache")}*indexes({allowStale:e=this.allowStale}={}){if(this.size)for(let t=this.tail;this.isValidIndex(t)&&(!e&&this.isStale(t)||(yield t),t!==this.head);)t=this.prev[t]}*rindexes({allowStale:e=this.allowStale}={}){if(this.size)for(let t=this.head;this.isValidIndex(t)&&(!e&&this.isStale(t)||(yield t),t!==this.tail);)t=this.next[t]}isValidIndex(e){return void 0!==e&&this.keyMap.get(this.keyList[e])===e}*entries(){for(const e of this.indexes())void 0===this.valList[e]||void 0===this.keyList[e]||this.isBackgroundFetch(this.valList[e])||(yield[this.keyList[e],this.valList[e]])}*rentries(){for(const e of this.rindexes())void 0===this.valList[e]||void 0===this.keyList[e]||this.isBackgroundFetch(this.valList[e])||(yield[this.keyList[e],this.valList[e]])}*keys(){for(const e of this.indexes())void 0===this.keyList[e]||this.isBackgroundFetch(this.valList[e])||(yield this.keyList[e])}*rkeys(){for(const e of this.rindexes())void 0===this.keyList[e]||this.isBackgroundFetch(this.valList[e])||(yield this.keyList[e])}*values(){for(const e of this.indexes())void 0===this.valList[e]||this.isBackgroundFetch(this.valList[e])||(yield this.valList[e])}*rvalues(){for(const e of this.rindexes())void 0===this.valList[e]||this.isBackgroundFetch(this.valList[e])||(yield this.valList[e])}[Symbol.iterator](){return this.entries()}find(e,t){for(const r of this.indexes()){const n=this.valList[r],i=this.isBackgroundFetch(n)?n.__staleWhileFetching:n;if(void 0!==i&&e(i,this.keyList[r],this))return this.get(this.keyList[r],t)}}forEach(e,t=this){for(const r of this.indexes()){const n=this.valList[r],i=this.isBackgroundFetch(n)?n.__staleWhileFetching:n;void 0!==i&&e.call(t,i,this.keyList[r],this)}}rforEach(e,t=this){for(const r of this.rindexes()){const n=this.valList[r],i=this.isBackgroundFetch(n)?n.__staleWhileFetching:n;void 0!==i&&e.call(t,i,this.keyList[r],this)}}get prune(){return u("prune","purgeStale"),this.purgeStale}purgeStale(){let e=!1;for(const t of this.rindexes({allowStale:!0}))this.isStale(t)&&(this.delete(this.keyList[t]),e=!0);return e}dump(){const e=[];for(const t of this.indexes({allowStale:!0})){const n=this.keyList[t],i=this.valList[t],s=this.isBackgroundFetch(i)?i.__staleWhileFetching:i;if(void 0===s)continue;const o={value:s};if(this.ttls){o.ttl=this.ttls[t];const e=r.now()-this.starts[t];o.start=Math.floor(Date.now()-e)}this.sizes&&(o.size=this.sizes[t]),e.unshift([n,o])}return e}load(e){this.clear();for(const[t,n]of e){if(n.start){const e=Date.now()-n.start;n.start=r.now()-e}this.set(t,n.value,n)}}dispose(e,t,r){}set(e,t,{ttl:r=this.ttl,start:n,noDisposeOnSet:i=this.noDisposeOnSet,size:s=0,sizeCalculation:o=this.sizeCalculation,noUpdateTTL:a=this.noUpdateTTL,status:l}={}){if(s=this.requireSize(e,t,s,o),this.maxEntrySize&&s>this.maxEntrySize)return l&&(l.set="miss",l.maxEntrySizeExceeded=!0),this.delete(e),this;let u=0===this.size?void 0:this.keyMap.get(e);if(void 0===u)u=this.newIndex(),this.keyList[u]=e,this.valList[u]=t,this.keyMap.set(e,u),this.next[this.tail]=u,this.prev[u]=this.tail,this.tail=u,this.size++,this.addItemSize(u,s,l),l&&(l.set="add"),a=!1;else{this.moveToTail(u);const r=this.valList[u];if(t!==r){if(this.isBackgroundFetch(r)?r.__abortController.abort(new Error("replaced")):i||(this.dispose(r,e,"set"),this.disposeAfter&&this.disposed.push([r,e,"set"])),this.removeItemSize(u),this.valList[u]=t,this.addItemSize(u,s,l),l){l.set="replace";const e=r&&this.isBackgroundFetch(r)?r.__staleWhileFetching:r;void 0!==e&&(l.oldValue=e)}}else l&&(l.set="update")}if(0===r||0!==this.ttl||this.ttls||this.initializeTTLTracking(),a||this.setItemTTL(u,r,n),this.statusTTL(l,u),this.disposeAfter)for(;this.disposed.length;)this.disposeAfter(...this.disposed.shift());return this}newIndex(){return 0===this.size?this.tail:this.size===this.max&&0!==this.max?this.evict(!1):0!==this.free.length?this.free.pop():this.initialFill++}pop(){if(this.size){const e=this.valList[this.head];return this.evict(!0),e}}evict(e){const t=this.head,r=this.keyList[t],n=this.valList[t];return this.isBackgroundFetch(n)?n.__abortController.abort(new Error("evicted")):(this.dispose(n,r,"evict"),this.disposeAfter&&this.disposed.push([n,r,"evict"])),this.removeItemSize(t),e&&(this.keyList[t]=null,this.valList[t]=null,this.free.push(t)),this.head=this.next[t],this.keyMap.delete(r),this.size--,t}has(e,{updateAgeOnHas:t=this.updateAgeOnHas,status:r}={}){const n=this.keyMap.get(e);if(void 0!==n){if(!this.isStale(n))return t&&this.updateItemAge(n),r&&(r.has="hit"),this.statusTTL(r,n),!0;r&&(r.has="stale",this.statusTTL(r,n))}else r&&(r.has="miss");return!1}peek(e,{allowStale:t=this.allowStale}={}){const r=this.keyMap.get(e);if(void 0!==r&&(t||!this.isStale(r))){const e=this.valList[r];return this.isBackgroundFetch(e)?e.__staleWhileFetching:e}}backgroundFetch(e,t,r,i){const s=void 0===t?void 0:this.valList[t];if(this.isBackgroundFetch(s))return s;const o=new n;r.signal&&r.signal.addEventListener("abort",(()=>o.abort(r.signal.reason)));const a={signal:o.signal,options:r,context:i},l=(n,i=!1)=>{const{aborted:s}=o.signal,l=r.ignoreFetchAbort&&void 0!==n;return r.status&&(s&&!i?(r.status.fetchAborted=!0,r.status.fetchError=o.signal.reason,l&&(r.status.fetchAbortIgnored=!0)):r.status.fetchResolved=!0),!s||l||i?(this.valList[t]===c&&(void 0===n?c.__staleWhileFetching?this.valList[t]=c.__staleWhileFetching:this.delete(e):(r.status&&(r.status.fetchUpdated=!0),this.set(e,n,a.options))),n):u(o.signal.reason)},u=n=>{const{aborted:i}=o.signal,s=i&&r.allowStaleOnFetchAbort,a=s||r.allowStaleOnFetchRejection,l=a||r.noDeleteOnFetchRejection;if(this.valList[t]===c){!l||void 0===c.__staleWhileFetching?this.delete(e):s||(this.valList[t]=c.__staleWhileFetching)}if(a)return r.status&&void 0!==c.__staleWhileFetching&&(r.status.returnedStale=!0),c.__staleWhileFetching;if(c.__returned===c)throw n};r.status&&(r.status.fetchDispatched=!0);const c=new Promise(((t,n)=>{this.fetchMethod(e,s,a).then((e=>t(e)),n),o.signal.addEventListener("abort",(()=>{r.ignoreFetchAbort&&!r.allowStaleOnFetchAbort||(t(),r.allowStaleOnFetchAbort&&(t=e=>l(e,!0)))}))})).then(l,(e=>(r.status&&(r.status.fetchRejected=!0,r.status.fetchError=e),u(e))));return c.__abortController=o,c.__staleWhileFetching=s,c.__returned=null,void 0===t?(this.set(e,c,{...a.options,status:void 0}),t=this.keyMap.get(e)):this.valList[t]=c,c}isBackgroundFetch(e){return e&&"object"==typeof e&&"function"==typeof e.then&&Object.prototype.hasOwnProperty.call(e,"__staleWhileFetching")&&Object.prototype.hasOwnProperty.call(e,"__returned")&&(e.__returned===e||null===e.__returned)}async fetch(e,{allowStale:t=this.allowStale,updateAgeOnGet:r=this.updateAgeOnGet,noDeleteOnStaleGet:n=this.noDeleteOnStaleGet,ttl:i=this.ttl,noDisposeOnSet:s=this.noDisposeOnSet,size:o=0,sizeCalculation:a=this.sizeCalculation,noUpdateTTL:l=this.noUpdateTTL,noDeleteOnFetchRejection:u=this.noDeleteOnFetchRejection,allowStaleOnFetchRejection:c=this.allowStaleOnFetchRejection,ignoreFetchAbort:h=this.ignoreFetchAbort,allowStaleOnFetchAbort:f=this.allowStaleOnFetchAbort,fetchContext:d=this.fetchContext,forceRefresh:p=!1,status:b,signal:g}={}){if(!this.fetchMethod)return b&&(b.fetch="get"),this.get(e,{allowStale:t,updateAgeOnGet:r,noDeleteOnStaleGet:n,status:b});const m={allowStale:t,updateAgeOnGet:r,noDeleteOnStaleGet:n,ttl:i,noDisposeOnSet:s,size:o,sizeCalculation:a,noUpdateTTL:l,noDeleteOnFetchRejection:u,allowStaleOnFetchRejection:c,allowStaleOnFetchAbort:f,ignoreFetchAbort:h,status:b,signal:g};let y=this.keyMap.get(e);if(void 0===y){b&&(b.fetch="miss");const t=this.backgroundFetch(e,y,m,d);return t.__returned=t}{const n=this.valList[y];if(this.isBackgroundFetch(n)){const e=t&&void 0!==n.__staleWhileFetching;return b&&(b.fetch="inflight",e&&(b.returnedStale=!0)),e?n.__staleWhileFetching:n.__returned=n}const i=this.isStale(y);if(!p&&!i)return b&&(b.fetch="hit"),this.moveToTail(y),r&&this.updateItemAge(y),this.statusTTL(b,y),n;const s=this.backgroundFetch(e,y,m,d),o=void 0!==s.__staleWhileFetching,a=o&&t;return b&&(b.fetch=o&&i?"stale":"refresh",a&&i&&(b.returnedStale=!0)),a?s.__staleWhileFetching:s.__returned=s}}get(e,{allowStale:t=this.allowStale,updateAgeOnGet:r=this.updateAgeOnGet,noDeleteOnStaleGet:n=this.noDeleteOnStaleGet,status:i}={}){const s=this.keyMap.get(e);if(void 0!==s){const o=this.valList[s],a=this.isBackgroundFetch(o);return this.statusTTL(i,s),this.isStale(s)?(i&&(i.get="stale"),a?(i&&(i.returnedStale=t&&void 0!==o.__staleWhileFetching),t?o.__staleWhileFetching:void 0):(n||this.delete(e),i&&(i.returnedStale=t),t?o:void 0)):(i&&(i.get="hit"),a?o.__staleWhileFetching:(this.moveToTail(s),r&&this.updateItemAge(s),o))}i&&(i.get="miss")}connect(e,t){this.prev[t]=e,this.next[e]=t}moveToTail(e){e!==this.tail&&(e===this.head?this.head=this.next[e]:this.connect(this.prev[e],this.next[e]),this.connect(this.tail,e),this.tail=e)}get del(){return u("del","delete"),this.delete}delete(e){let t=!1;if(0!==this.size){const r=this.keyMap.get(e);if(void 0!==r)if(t=!0,1===this.size)this.clear();else{this.removeItemSize(r);const t=this.valList[r];this.isBackgroundFetch(t)?t.__abortController.abort(new Error("deleted")):(this.dispose(t,e,"delete"),this.disposeAfter&&this.disposed.push([t,e,"delete"])),this.keyMap.delete(e),this.keyList[r]=null,this.valList[r]=null,r===this.tail?this.tail=this.prev[r]:r===this.head?this.head=this.next[r]:(this.next[this.prev[r]]=this.next[r],this.prev[this.next[r]]=this.prev[r]),this.size--,this.free.push(r)}}if(this.disposed)for(;this.disposed.length;)this.disposeAfter(...this.disposed.shift());return t}clear(){for(const e of this.rindexes({allowStale:!0})){const t=this.valList[e];if(this.isBackgroundFetch(t))t.__abortController.abort(new Error("deleted"));else{const r=this.keyList[e];this.dispose(t,r,"delete"),this.disposeAfter&&this.disposed.push([t,r,"delete"])}}if(this.keyMap.clear(),this.valList.fill(null),this.keyList.fill(null),this.ttls&&(this.ttls.fill(0),this.starts.fill(0)),this.sizes&&this.sizes.fill(0),this.head=0,this.tail=0,this.initialFill=1,this.free.length=0,this.calculatedSize=0,this.size=0,this.disposed)for(;this.disposed.length;)this.disposeAfter(...this.disposed.shift())}get reset(){return u("reset","clear"),this.clear}get length(){return((e,t)=>{const r=`LRU_CACHE_PROPERTY_${e}`;if(h(r)){const{prototype:n}=m,{get:i}=Object.getOwnPropertyDescriptor(n,e);f(r,`${e} property`,`cache.${t}`,i)}})("length","size"),this.size}static get AbortController(){return n}static get AbortSignal(){return o}}t.exports=m}).call(this)}).call(this,e("_process"))},{_process:102}],73:[function(e,t,r){const n=t.exports,{Buffer:i}=e("buffer");n.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"},n.requiredHeaderFlags={1:0,2:0,4:0,5:0,6:2,7:0,8:2,9:0,10:2,11:0,12:0,13:0,14:0,15:0},n.requiredHeaderFlagsErrors={};for(const e in n.requiredHeaderFlags){const t=n.requiredHeaderFlags[e];n.requiredHeaderFlagsErrors[e]="Invalid header flag bits, must be 0x"+t.toString(16)+" for "+n.types[e]+" packet"}n.codes={};for(const e in n.types){const t=n.types[e];n.codes[t]=e}n.CMD_SHIFT=4,n.CMD_MASK=240,n.DUP_MASK=8,n.QOS_MASK=3,n.QOS_SHIFT=1,n.RETAIN_MASK=1,n.VARBYTEINT_MASK=127,n.VARBYTEINT_FIN_MASK=128,n.VARBYTEINT_MAX=268435455,n.SESSIONPRESENT_MASK=1,n.SESSIONPRESENT_HEADER=i.from([n.SESSIONPRESENT_MASK]),n.CONNACK_HEADER=i.from([n.codes.connack<<n.CMD_SHIFT]),n.USERNAME_MASK=128,n.PASSWORD_MASK=64,n.WILL_RETAIN_MASK=32,n.WILL_QOS_MASK=24,n.WILL_QOS_SHIFT=3,n.WILL_FLAG_MASK=4,n.CLEAN_SESSION_MASK=2,n.CONNECT_HEADER=i.from([n.codes.connect<<n.CMD_SHIFT]),n.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},n.propertiesCodes={};for(const e in n.properties){const t=n.properties[e];n.propertiesCodes[t]=e}function s(e){return[0,1,2].map((t=>[0,1].map((r=>[0,1].map((s=>{const o=i.alloc(1);return o.writeUInt8(n.codes[e]<<n.CMD_SHIFT|(r?n.DUP_MASK:0)|t<<n.QOS_SHIFT|s,0,!0),o}))))))}n.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"},n.PUBLISH_HEADER=s("publish"),n.SUBSCRIBE_HEADER=s("subscribe"),n.SUBSCRIBE_OPTIONS_QOS_MASK=3,n.SUBSCRIBE_OPTIONS_NL_MASK=1,n.SUBSCRIBE_OPTIONS_NL_SHIFT=2,n.SUBSCRIBE_OPTIONS_RAP_MASK=1,n.SUBSCRIBE_OPTIONS_RAP_SHIFT=3,n.SUBSCRIBE_OPTIONS_RH_MASK=3,n.SUBSCRIBE_OPTIONS_RH_SHIFT=4,n.SUBSCRIBE_OPTIONS_RH=[0,16,32],n.SUBSCRIBE_OPTIONS_NL=4,n.SUBSCRIBE_OPTIONS_RAP=8,n.SUBSCRIBE_OPTIONS_QOS=[0,1,2],n.UNSUBSCRIBE_HEADER=s("unsubscribe"),n.ACKS={unsuback:s("unsuback"),puback:s("puback"),pubcomp:s("pubcomp"),pubrel:s("pubrel"),pubrec:s("pubrec")},n.SUBACK_HEADER=i.from([n.codes.suback<<n.CMD_SHIFT]),n.VERSION3=i.from([3]),n.VERSION4=i.from([4]),n.VERSION5=i.from([5]),n.VERSION131=i.from([131]),n.VERSION132=i.from([132]),n.QOS=[0,1,2].map((e=>i.from([e]))),n.EMPTY={pingreq:i.from([n.codes.pingreq<<4,0]),pingresp:i.from([n.codes.pingresp<<4,0]),disconnect:i.from([n.codes.disconnect<<4,0])},n.MQTT5_PUBACK_PUBREC_CODES={0:"Success",16:"No matching subscribers",128:"Unspecified error",131:"Implementation specific error",135:"Not authorized",144:"Topic Name invalid",145:"Packet identifier in use",151:"Quota exceeded",153:"Payload format invalid"},n.MQTT5_PUBREL_PUBCOMP_CODES={0:"Success",146:"Packet Identifier not found"},n.MQTT5_SUBACK_CODES={0:"Granted QoS 0",1:"Granted QoS 1",2:"Granted QoS 2",128:"Unspecified error",131:"Implementation specific error",135:"Not authorized",143:"Topic Filter invalid",145:"Packet Identifier in use",151:"Quota exceeded",158:"Shared Subscriptions not supported",161:"Subscription Identifiers not supported",162:"Wildcard Subscriptions not supported"},n.MQTT5_UNSUBACK_CODES={0:"Success",17:"No subscription existed",128:"Unspecified error",131:"Implementation specific error",135:"Not authorized",143:"Topic Filter invalid",145:"Packet Identifier in use"},n.MQTT5_DISCONNECT_CODES={0:"Normal disconnection",4:"Disconnect with Will Message",128:"Unspecified error",129:"Malformed Packet",130:"Protocol Error",131:"Implementation specific error",135:"Not authorized",137:"Server busy",139:"Server shutting down",141:"Keep Alive timeout",142:"Session taken over",143:"Topic Filter invalid",144:"Topic Name invalid",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"},n.MQTT5_AUTH_CODES={0:"Success",24:"Continue authentication",25:"Re-authenticate"}},{buffer:29}],74:[function(e,t,r){const n=e("./writeToStream"),i=e("events"),{Buffer:s}=e("buffer");class o extends i{constructor(){super(),this._array=new Array(20),this._i=0}write(e){return this._array[this._i++]=e,!0}concat(){let e=0;const t=new Array(this._array.length),r=this._array;let n,i=0;for(n=0;n<r.length&&void 0!==r[n];n++)"string"!=typeof r[n]?t[n]=r[n].length:t[n]=s.byteLength(r[n]),e+=t[n];const o=s.allocUnsafe(e);for(n=0;n<r.length&&void 0!==r[n];n++)"string"!=typeof r[n]?(r[n].copy(o,i),i+=t[n]):(o.write(r[n],i),i+=t[n]);return o}destroy(e){e&&this.emit("error",e)}}t.exports=function(e,t){const r=new o;return n(e,r,t),r.concat()}},{"./writeToStream":96,buffer:29,events:49}],75:[function(e,t,r){r.parser=e("./parser").parser,r.generate=e("./generate"),r.writeToStream=e("./writeToStream")},{"./generate":74,"./parser":95,"./writeToStream":96}],76:[function(e,t,r){"use strict";const{Buffer:n}=e("buffer"),i=Symbol.for("BufferList");function s(e){if(!(this instanceof s))return new s(e);s._init.call(this,e)}s._init=function(e){Object.defineProperty(this,i,{value:!0}),this._bufs=[],this.length=0,e&&this.append(e)},s.prototype._new=function(e){return new s(e)},s.prototype._offset=function(e){if(0===e)return[0,0];let t=0;for(let r=0;r<this._bufs.length;r++){const n=t+this._bufs[r].length;if(e<n||r===this._bufs.length-1)return[r,e-t];t=n}},s.prototype._reverseOffset=function(e){const t=e[0];let r=e[1];for(let e=0;e<t;e++)r+=this._bufs[e].length;return r},s.prototype.get=function(e){if(e>this.length||e<0)return;const t=this._offset(e);return this._bufs[t[0]][t[1]]},s.prototype.slice=function(e,t){return"number"==typeof e&&e<0&&(e+=this.length),"number"==typeof t&&t<0&&(t+=this.length),this.copy(null,0,e,t)},s.prototype.copy=function(e,t,r,i){if(("number"!=typeof r||r<0)&&(r=0),("number"!=typeof i||i>this.length)&&(i=this.length),r>=this.length)return e||n.alloc(0);if(i<=0)return e||n.alloc(0);const s=!!e,o=this._offset(r),a=i-r;let l=a,u=s&&t||0,c=o[1];if(0===r&&i===this.length){if(!s)return 1===this._bufs.length?this._bufs[0]:n.concat(this._bufs,this.length);for(let t=0;t<this._bufs.length;t++)this._bufs[t].copy(e,u),u+=this._bufs[t].length;return e}if(l<=this._bufs[o[0]].length-c)return s?this._bufs[o[0]].copy(e,t,c,c+l):this._bufs[o[0]].slice(c,c+l);s||(e=n.allocUnsafe(a));for(let t=o[0];t<this._bufs.length;t++){const r=this._bufs[t].length-c;if(!(l>r)){this._bufs[t].copy(e,u,c,c+l),u+=r;break}this._bufs[t].copy(e,u,c),u+=r,l-=r,c&&(c=0)}return e.length>u?e.slice(0,u):e},s.prototype.shallowSlice=function(e,t){if(e=e||0,t="number"!=typeof t?this.length:t,e<0&&(e+=this.length),t<0&&(t+=this.length),e===t)return this._new();const r=this._offset(e),n=this._offset(t),i=this._bufs.slice(r[0],n[0]+1);return 0===n[1]?i.pop():i[i.length-1]=i[i.length-1].slice(0,n[1]),0!==r[1]&&(i[0]=i[0].slice(r[1])),this._new(i)},s.prototype.toString=function(e,t,r){return this.slice(t,r).toString(e)},s.prototype.consume=function(e){if(e=Math.trunc(e),Number.isNaN(e)||e<=0)return this;for(;this._bufs.length;){if(!(e>=this._bufs[0].length)){this._bufs[0]=this._bufs[0].slice(e),this.length-=e;break}e-=this._bufs[0].length,this.length-=this._bufs[0].length,this._bufs.shift()}return this},s.prototype.duplicate=function(){const e=this._new();for(let t=0;t<this._bufs.length;t++)e.append(this._bufs[t]);return e},s.prototype.append=function(e){if(null==e)return this;if(e.buffer)this._appendBuffer(n.from(e.buffer,e.byteOffset,e.byteLength));else if(Array.isArray(e))for(let t=0;t<e.length;t++)this.append(e[t]);else if(this._isBufferList(e))for(let t=0;t<e._bufs.length;t++)this.append(e._bufs[t]);else"number"==typeof e&&(e=e.toString()),this._appendBuffer(n.from(e));return this},s.prototype._appendBuffer=function(e){this._bufs.push(e),this.length+=e.length},s.prototype.indexOf=function(e,t,r){if(void 0===r&&"string"==typeof t&&(r=t,t=void 0),"function"==typeof e||Array.isArray(e))throw new TypeError('The "value" argument must be one of type string, Buffer, BufferList, or Uint8Array.');if("number"==typeof e?e=n.from([e]):"string"==typeof e?e=n.from(e,r):this._isBufferList(e)?e=e.slice():Array.isArray(e.buffer)?e=n.from(e.buffer,e.byteOffset,e.byteLength):n.isBuffer(e)||(e=n.from(e)),t=Number(t||0),isNaN(t)&&(t=0),t<0&&(t=this.length+t),t<0&&(t=0),0===e.length)return t>this.length?this.length:t;const i=this._offset(t);let s=i[0],o=i[1];for(;s<this._bufs.length;s++){const t=this._bufs[s];for(;o<t.length;){if(t.length-o>=e.length){const r=t.indexOf(e,o);if(-1!==r)return this._reverseOffset([s,r]);o=t.length-e.length+1}else{const t=this._reverseOffset([s,o]);if(this._match(t,e))return t;o++}}o=0}return-1},s.prototype._match=function(e,t){if(this.length-e<t.length)return!1;for(let r=0;r<t.length;r++)if(this.get(e+r)!==t[r])return!1;return!0},function(){const e={readDoubleBE:8,readDoubleLE:8,readFloatBE:4,readFloatLE:4,readInt32BE:4,readInt32LE:4,readUInt32BE:4,readUInt32LE:4,readInt16BE:2,readInt16LE:2,readUInt16BE:2,readUInt16LE:2,readInt8:1,readUInt8:1,readIntBE:null,readIntLE:null,readUIntBE:null,readUIntLE:null};for(const t in e)!function(t){s.prototype[t]=null===e[t]?function(e,r){return this.slice(e,e+r)[t](0,r)}:function(r=0){return this.slice(r,r+e[t])[t](0)}}(t)}(),s.prototype._isBufferList=function(e){return e instanceof s||s.isBufferList(e)},s.isBufferList=function(e){return null!=e&&e[i]},t.exports=s},{buffer:29}],77:[function(e,t,r){"use strict";const n=e("readable-stream").Duplex,i=e("inherits"),s=e("./BufferList");function o(e){if(!(this instanceof o))return new o(e);if("function"==typeof e){this._callback=e;const t=function(e){this._callback&&(this._callback(e),this._callback=null)}.bind(this);this.on("pipe",(function(e){e.on("error",t)})),this.on("unpipe",(function(e){e.removeListener("error",t)})),e=null}s._init.call(this,e),n.call(this)}i(o,n),Object.assign(o.prototype,s.prototype),o.prototype._new=function(e){return new o(e)},o.prototype._write=function(e,t,r){this._appendBuffer(e),"function"==typeof r&&r()},o.prototype._read=function(e){if(!this.length)return this.push(null);e=Math.min(e,this.length),this.push(this.slice(0,e)),this.consume(e)},o.prototype.end=function(e){n.prototype.end.call(this,e),this._callback&&(this._callback(null,this.slice()),this._callback=null)},o.prototype._destroy=function(e,t){this._bufs.length=0,this.length=0,t(e)},o.prototype._isBufferList=function(e){return e instanceof o||e instanceof s||o.isBufferList(e)},o.isBufferList=s.isBufferList,t.exports=o,t.exports.BufferListStream=o,t.exports.BufferList=s},{"./BufferList":76,inherits:51,"readable-stream":92}],78:[function(e,t,r){arguments[4][33][0].apply(r,arguments)},{dup:33}],79:[function(e,t,r){arguments[4][34][0].apply(r,arguments)},{"./_stream_readable":81,"./_stream_writable":83,_process:102,dup:34,inherits:51}],80:[function(e,t,r){arguments[4][35][0].apply(r,arguments)},{"./_stream_transform":82,dup:35,inherits:51}],81:[function(e,t,r){arguments[4][36][0].apply(r,arguments)},{"../errors":78,"./_stream_duplex":79,"./internal/streams/async_iterator":84,"./internal/streams/buffer_list":85,"./internal/streams/destroy":86,"./internal/streams/from":88,"./internal/streams/state":90,"./internal/streams/stream":91,_process:102,buffer:29,dup:36,events:49,inherits:51,"string_decoder/":136,util:26}],82:[function(e,t,r){arguments[4][37][0].apply(r,arguments)},{"../errors":78,"./_stream_duplex":79,dup:37,inherits:51}],83:[function(e,t,r){arguments[4][38][0].apply(r,arguments)},{"../errors":78,"./_stream_duplex":79,"./internal/streams/destroy":86,"./internal/streams/state":90,"./internal/streams/stream":91,_process:102,buffer:29,dup:38,inherits:51,"util-deprecate":139}],84:[function(e,t,r){arguments[4][39][0].apply(r,arguments)},{"./end-of-stream":87,_process:102,dup:39}],85:[function(e,t,r){arguments[4][40][0].apply(r,arguments)},{buffer:29,dup:40,util:26}],86:[function(e,t,r){arguments[4][41][0].apply(r,arguments)},{_process:102,dup:41}],87:[function(e,t,r){arguments[4][42][0].apply(r,arguments)},{"../../../errors":78,dup:42}],88:[function(e,t,r){arguments[4][43][0].apply(r,arguments)},{dup:43}],89:[function(e,t,r){arguments[4][44][0].apply(r,arguments)},{"../../../errors":78,"./end-of-stream":87,dup:44}],90:[function(e,t,r){arguments[4][45][0].apply(r,arguments)},{"../../../errors":78,dup:45}],91:[function(e,t,r){arguments[4][46][0].apply(r,arguments)},{dup:46,events:49}],92:[function(e,t,r){arguments[4][47][0].apply(r,arguments)},{"./lib/_stream_duplex.js":79,"./lib/_stream_passthrough.js":80,"./lib/_stream_readable.js":81,"./lib/_stream_transform.js":82,"./lib/_stream_writable.js":83,"./lib/internal/streams/end-of-stream.js":87,"./lib/internal/streams/pipeline.js":89,dup:47}],93:[function(e,t,r){const{Buffer:n}=e("buffer"),i={},s=n.isBuffer(n.from([1,2]).subarray(0,1));function o(e){const t=n.allocUnsafe(2);return t.writeUInt8(e>>8,0),t.writeUInt8(255&e,1),t}t.exports={cache:i,generateCache:function(){for(let e=0;e<65536;e++)i[e]=o(e)},generateNumber:o,genBufVariableByteInt:function(e){let t=0,r=0;const i=n.allocUnsafe(4);do{t=e%128|0,(e=e/128|0)>0&&(t|=128),i.writeUInt8(t,r++)}while(e>0&&r<4);return e>0&&(r=0),s?i.subarray(0,r):i.slice(0,r)},generate4ByteBuffer:function(e){const t=n.allocUnsafe(4);return t.writeUInt32BE(e,0),t}}},{buffer:29}],94:[function(e,t,r){t.exports=class{constructor(){this.cmd=null,this.retain=!1,this.qos=0,this.dup=!1,this.length=-1,this.topic=null,this.payload=null}}},{}],95:[function(e,t,r){const n=e("bl"),i=e("events"),s=e("./packet"),o=e("./constants"),a=e("debug")("mqtt-packet:parser");class l extends i{constructor(){super(),this.parser=this.constructor.parser}static parser(e){return this instanceof l?(this.settings=e||{},this._states=["_parseHeader","_parseLength","_parsePayload","_newPacket"],this._resetState(),this):(new l).parser(e)}_resetState(){a("_resetState: resetting packet, error, _list, and _stateCounter"),this.packet=new s,this.error=null,this._list=n(),this._stateCounter=0}parse(e){for(this.error&&this._resetState(),this._list.append(e),a("parse: current state: %s",this._states[this._stateCounter]);(-1!==this.packet.length||this._list.length>0)&&this[this._states[this._stateCounter]]()&&!this.error;)this._stateCounter++,a("parse: state complete. _stateCounter is now: %d",this._stateCounter),a("parse: packet.length: %d, buffer list length: %d",this.packet.length,this._list.length),this._stateCounter>=this._states.length&&(this._stateCounter=0);return a("parse: exited while loop. packet: %d, buffer list length: %d",this.packet.length,this._list.length),this._list.length}_parseHeader(){const e=this._list.readUInt8(0),t=e>>o.CMD_SHIFT;this.packet.cmd=o.types[t];const r=15&e,n=o.requiredHeaderFlags[t];return null!=n&&r!==n?this._emitError(new Error(o.requiredHeaderFlagsErrors[t])):(this.packet.retain=0!=(e&o.RETAIN_MASK),this.packet.qos=e>>o.QOS_SHIFT&o.QOS_MASK,this.packet.qos>2?this._emitError(new Error("Packet must not have both QoS bits set to 1")):(this.packet.dup=0!=(e&o.DUP_MASK),a("_parseHeader: packet: %o",this.packet),this._list.consume(1),!0))}_parseLength(){const e=this._parseVarByteNum(!0);return e&&(this.packet.length=e.value,this._list.consume(e.bytes)),a("_parseLength %d",e.value),!!e}_parsePayload(){a("_parsePayload: payload %O",this._list);let e=!1;if(0===this.packet.length||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"))}e=!0}return a("_parsePayload complete result: %s",e),e}_parseConnect(){let e,t,r,n;a("_parseConnect");const i={},s=this.packet,l=this._parseString();if(null===l)return this._emitError(new Error("Cannot parse protocolId"));if("MQTT"!==l&&"MQIsdp"!==l)return this._emitError(new Error("Invalid protocolId"));if(s.protocolId=l,this._pos>=this._list.length)return this._emitError(new Error("Packet too short"));if(s.protocolVersion=this._list.readUInt8(this._pos),s.protocolVersion>=128&&(s.bridgeMode=!0,s.protocolVersion=s.protocolVersion-128),3!==s.protocolVersion&&4!==s.protocolVersion&&5!==s.protocolVersion)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(1&this._list.readUInt8(this._pos))return this._emitError(new Error("Connect flag bit 0 must be 0, but got 1"));i.username=this._list.readUInt8(this._pos)&o.USERNAME_MASK,i.password=this._list.readUInt8(this._pos)&o.PASSWORD_MASK,i.will=this._list.readUInt8(this._pos)&o.WILL_FLAG_MASK;const u=!!(this._list.readUInt8(this._pos)&o.WILL_RETAIN_MASK),c=(this._list.readUInt8(this._pos)&o.WILL_QOS_MASK)>>o.WILL_QOS_SHIFT;if(i.will)s.will={},s.will.retain=u,s.will.qos=c;else{if(u)return this._emitError(new Error("Will Retain Flag must be set to zero when Will Flag is set to 0"));if(c)return this._emitError(new Error("Will QoS must be set to zero when Will Flag is set to 0"))}if(s.clean=0!=(this._list.readUInt8(this._pos)&o.CLEAN_SESSION_MASK),this._pos++,s.keepalive=this._parseNum(),-1===s.keepalive)return this._emitError(new Error("Packet too short"));if(5===s.protocolVersion){const e=this._parseProperties();Object.getOwnPropertyNames(e).length&&(s.properties=e)}const h=this._parseString();if(null===h)return this._emitError(new Error("Packet too short"));if(s.clientId=h,a("_parseConnect: packet.clientId: %s",s.clientId),i.will){if(5===s.protocolVersion){const e=this._parseProperties();Object.getOwnPropertyNames(e).length&&(s.will.properties=e)}if(e=this._parseString(),null===e)return this._emitError(new Error("Cannot parse will topic"));if(s.will.topic=e,a("_parseConnect: packet.will.topic: %s",s.will.topic),t=this._parseBuffer(),null===t)return this._emitError(new Error("Cannot parse will payload"));s.will.payload=t,a("_parseConnect: packet.will.paylaod: %s",s.will.payload)}if(i.username){if(n=this._parseString(),null===n)return this._emitError(new Error("Cannot parse username"));s.username=n,a("_parseConnect: packet.username: %s",s.username)}if(i.password){if(r=this._parseBuffer(),null===r)return this._emitError(new Error("Cannot parse password"));s.password=r}return this.settings=s,a("_parseConnect: complete"),s}_parseConnack(){a("_parseConnack");const e=this.packet;if(this._list.length<1)return null;const t=this._list.readUInt8(this._pos++);if(t>1)return this._emitError(new Error("Invalid connack flags, bits 7-1 must be set to 0"));if(e.sessionPresent=!!(t&o.SESSIONPRESENT_MASK),5===this.settings.protocolVersion)this._list.length>=2?e.reasonCode=this._list.readUInt8(this._pos++):e.reasonCode=0;else{if(this._list.length<2)return null;e.returnCode=this._list.readUInt8(this._pos++)}if(-1===e.returnCode||-1===e.reasonCode)return this._emitError(new Error("Cannot parse return code"));if(5===this.settings.protocolVersion){const t=this._parseProperties();Object.getOwnPropertyNames(t).length&&(e.properties=t)}a("_parseConnack: complete")}_parsePublish(){a("_parsePublish");const e=this.packet;if(e.topic=this._parseString(),null===e.topic)return this._emitError(new Error("Cannot parse topic"));if(!(e.qos>0)||this._parseMessageId()){if(5===this.settings.protocolVersion){const t=this._parseProperties();Object.getOwnPropertyNames(t).length&&(e.properties=t)}e.payload=this._list.slice(this._pos,e.length),a("_parsePublish: payload from buffer list: %o",e.payload)}}_parseSubscribe(){a("_parseSubscribe");const e=this.packet;let t,r,n,i,s,l,u;if(e.subscriptions=[],this._parseMessageId()){if(5===this.settings.protocolVersion){const t=this._parseProperties();Object.getOwnPropertyNames(t).length&&(e.properties=t)}if(e.length<=0)return this._emitError(new Error("Malformed subscribe, no payload specified"));for(;this._pos<e.length;){if(t=this._parseString(),null===t)return this._emitError(new Error("Cannot parse topic"));if(this._pos>=e.length)return this._emitError(new Error("Malformed Subscribe Payload"));if(r=this._parseByte(),5===this.settings.protocolVersion){if(192&r)return this._emitError(new Error("Invalid subscribe topic flag bits, bits 7-6 must be 0"))}else if(252&r)return this._emitError(new Error("Invalid subscribe topic flag bits, bits 7-2 must be 0"));if(n=r&o.SUBSCRIBE_OPTIONS_QOS_MASK,n>2)return this._emitError(new Error("Invalid subscribe QoS, must be <= 2"));if(l=0!=(r>>o.SUBSCRIBE_OPTIONS_NL_SHIFT&o.SUBSCRIBE_OPTIONS_NL_MASK),s=0!=(r>>o.SUBSCRIBE_OPTIONS_RAP_SHIFT&o.SUBSCRIBE_OPTIONS_RAP_MASK),i=r>>o.SUBSCRIBE_OPTIONS_RH_SHIFT&o.SUBSCRIBE_OPTIONS_RH_MASK,i>2)return this._emitError(new Error("Invalid retain handling, must be <= 2"));u={topic:t,qos:n},5===this.settings.protocolVersion?(u.nl=l,u.rap=s,u.rh=i):this.settings.bridgeMode&&(u.rh=0,u.rap=!0,u.nl=!0),a("_parseSubscribe: push subscription `%s` to subscription",u),e.subscriptions.push(u)}}}_parseSuback(){a("_parseSuback");const e=this.packet;if(this.packet.granted=[],this._parseMessageId()){if(5===this.settings.protocolVersion){const t=this._parseProperties();Object.getOwnPropertyNames(t).length&&(e.properties=t)}if(e.length<=0)return this._emitError(new Error("Malformed suback, no payload specified"));for(;this._pos<this.packet.length;){const e=this._list.readUInt8(this._pos++);if(5===this.settings.protocolVersion){if(!o.MQTT5_SUBACK_CODES[e])return this._emitError(new Error("Invalid suback code"))}else if(e>2&&128!==e)return this._emitError(new Error("Invalid suback QoS, must be 0, 1, 2 or 128"));this.packet.granted.push(e)}}}_parseUnsubscribe(){a("_parseUnsubscribe");const e=this.packet;if(e.unsubscriptions=[],this._parseMessageId()){if(5===this.settings.protocolVersion){const t=this._parseProperties();Object.getOwnPropertyNames(t).length&&(e.properties=t)}if(e.length<=0)return this._emitError(new Error("Malformed unsubscribe, no payload specified"));for(;this._pos<e.length;){const t=this._parseString();if(null===t)return this._emitError(new Error("Cannot parse topic"));a("_parseUnsubscribe: push topic `%s` to unsubscriptions",t),e.unsubscriptions.push(t)}}}_parseUnsuback(){a("_parseUnsuback");const e=this.packet;if(!this._parseMessageId())return this._emitError(new Error("Cannot parse messageId"));if((3===this.settings.protocolVersion||4===this.settings.protocolVersion)&&2!==e.length)return this._emitError(new Error("Malformed unsuback, payload length must be 2"));if(e.length<=0)return this._emitError(new Error("Malformed unsuback, no payload specified"));if(5===this.settings.protocolVersion){const t=this._parseProperties();for(Object.getOwnPropertyNames(t).length&&(e.properties=t),e.granted=[];this._pos<this.packet.length;){const e=this._list.readUInt8(this._pos++);if(!o.MQTT5_UNSUBACK_CODES[e])return this._emitError(new Error("Invalid unsuback code"));this.packet.granted.push(e)}}}_parseConfirmation(){a("_parseConfirmation: packet.cmd: `%s`",this.packet.cmd);const e=this.packet;if(this._parseMessageId(),5===this.settings.protocolVersion){if(e.length>2){switch(e.reasonCode=this._parseByte(),this.packet.cmd){case"puback":case"pubrec":if(!o.MQTT5_PUBACK_PUBREC_CODES[e.reasonCode])return this._emitError(new Error("Invalid "+this.packet.cmd+" reason code"));break;case"pubrel":case"pubcomp":if(!o.MQTT5_PUBREL_PUBCOMP_CODES[e.reasonCode])return this._emitError(new Error("Invalid "+this.packet.cmd+" reason code"))}a("_parseConfirmation: packet.reasonCode `%d`",e.reasonCode)}else e.reasonCode=0;if(e.length>3){const t=this._parseProperties();Object.getOwnPropertyNames(t).length&&(e.properties=t)}}return!0}_parseDisconnect(){const e=this.packet;if(a("_parseDisconnect"),5===this.settings.protocolVersion){this._list.length>0?(e.reasonCode=this._parseByte(),o.MQTT5_DISCONNECT_CODES[e.reasonCode]||this._emitError(new Error("Invalid disconnect reason code"))):e.reasonCode=0;const t=this._parseProperties();Object.getOwnPropertyNames(t).length&&(e.properties=t)}return a("_parseDisconnect result: true"),!0}_parseAuth(){a("_parseAuth");const e=this.packet;if(5!==this.settings.protocolVersion)return this._emitError(new Error("Not supported auth packet for this version MQTT"));if(e.reasonCode=this._parseByte(),!o.MQTT5_AUTH_CODES[e.reasonCode])return this._emitError(new Error("Invalid auth reason code"));const t=this._parseProperties();return Object.getOwnPropertyNames(t).length&&(e.properties=t),a("_parseAuth: result: true"),!0}_parseMessageId(){const e=this.packet;return e.messageId=this._parseNum(),null===e.messageId?(this._emitError(new Error("Cannot parse messageId")),!1):(a("_parseMessageId: packet.messageId %d",e.messageId),!0)}_parseString(e){const t=this._parseNum(),r=t+this._pos;if(-1===t||r>this._list.length||r>this.packet.length)return null;const n=this._list.toString("utf8",this._pos,r);return this._pos+=t,a("_parseString: result: %s",n),n}_parseStringPair(){return a("_parseStringPair"),{name:this._parseString(),value:this._parseString()}}_parseBuffer(){const e=this._parseNum(),t=e+this._pos;if(-1===e||t>this._list.length||t>this.packet.length)return null;const r=this._list.slice(this._pos,t);return this._pos+=e,a("_parseBuffer: result: %o",r),r}_parseNum(){if(this._list.length-this._pos<2)return-1;const e=this._list.readUInt16BE(this._pos);return this._pos+=2,a("_parseNum: result: %s",e),e}_parse4ByteNum(){if(this._list.length-this._pos<4)return-1;const e=this._list.readUInt32BE(this._pos);return this._pos+=4,a("_parse4ByteNum: result: %s",e),e}_parseVarByteNum(e){a("_parseVarByteNum");let t,r=0,n=1,i=0,s=!1;const l=this._pos?this._pos:0;for(;r<4&&l+r<this._list.length;){if(t=this._list.readUInt8(l+r++),i+=n*(t&o.VARBYTEINT_MASK),n*=128,0==(t&o.VARBYTEINT_FIN_MASK)){s=!0;break}if(this._list.length<=r)break}return!s&&4===r&&this._list.length>=r&&this._emitError(new Error("Invalid variable byte integer")),l&&(this._pos+=r),s=!!s&&(e?{bytes:r,value:i}:i),a("_parseVarByteNum: result: %o",s),s}_parseByte(){let e;return this._pos<this._list.length&&(e=this._list.readUInt8(this._pos),this._pos++),a("_parseByte: result: %o",e),e}_parseByType(e){switch(a("_parseByType: type: %s",e),e){case"byte":return 0!==this._parseByte();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(){a("_parseProperties");const e=this._parseVarByteNum(),t=this._pos+e,r={};for(;this._pos<t;){const e=this._parseByte();if(!e)return this._emitError(new Error("Cannot parse property code type")),!1;const t=o.propertiesCodes[e];if(!t)return this._emitError(new Error("Unknown property")),!1;if("userProperties"!==t)r[t]?(Array.isArray(r[t])||(r[t]=[r[t]]),r[t].push(this._parseByType(o.propertiesTypes[t]))):r[t]=this._parseByType(o.propertiesTypes[t]);else{r[t]||(r[t]=Object.create(null));const e=this._parseByType(o.propertiesTypes[t]);if(r[t][e.name])if(Array.isArray(r[t][e.name]))r[t][e.name].push(e.value);else{const n=r[t][e.name];r[t][e.name]=[n],r[t][e.name].push(e.value)}else r[t][e.name]=e.value}}return r}_newPacket(){return a("_newPacket"),this.packet&&(this._list.consume(this.packet.length),a("_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)),a("_newPacket: new packet"),this.packet=new s,this._pos=0,!0}_emitError(e){a("_emitError",e),this.error=e,this.emit("error",e)}}t.exports=l},{"./constants":73,"./packet":94,bl:77,debug:30,events:49}],96:[function(e,t,r){const n=e("./constants"),{Buffer:i}=e("buffer"),s=i.allocUnsafe(0),o=i.from([0]),a=e("./numbers"),l=e("process-nextick-args").nextTick,u=e("debug")("mqtt-packet:writeToStream"),c=a.cache,h=a.generateNumber,f=a.generateCache,d=a.genBufVariableByteInt,p=a.generate4ByteBuffer;let b=E,g=!0;function m(e,t,r){switch(u("generate called"),t.cork&&(t.cork(),l(y,t)),g&&(g=!1,f()),u("generate: packet.cmd: %s",e.cmd),e.cmd){case"connect":return function(e,t,r){const s=e||{},o=s.protocolId||"MQTT";let a=s.protocolVersion||4;const l=s.will;let u=s.clean;const c=s.keepalive||0,h=s.clientId||"",f=s.username,d=s.password,p=s.properties;void 0===u&&(u=!0);let g,m,y=0;if(!o||"string"!=typeof o&&!i.isBuffer(o))return t.destroy(new Error("Invalid protocolId")),!1;y+=o.length+2;if(3!==a&&4!==a&&5!==a)return t.destroy(new Error("Invalid protocol version")),!1;y+=1;if(("string"==typeof h||i.isBuffer(h))&&(h||a>=4)&&(h||u))y+=i.byteLength(h)+2;else{if(a<4)return t.destroy(new Error("clientId must be supplied before 3.1.1")),!1;if(1*u==0)return t.destroy(new Error("clientId must be given if cleanSession set to 0")),!1}if("number"!=typeof c||c<0||c>65535||c%1!=0)return t.destroy(new Error("Invalid keepalive")),!1;y+=2;if(y+=1,5===a){if(g=T(t,p),!g)return!1;y+=g.length}if(l){if("object"!=typeof l)return t.destroy(new Error("Invalid will")),!1;if(!l.topic||"string"!=typeof l.topic)return t.destroy(new Error("Invalid will topic")),!1;if(y+=i.byteLength(l.topic)+2,y+=2,l.payload){if(!(l.payload.length>=0))return t.destroy(new Error("Invalid will payload")),!1;"string"==typeof l.payload?y+=i.byteLength(l.payload):y+=l.payload.length}if(m={},5===a){if(m=T(t,l.properties),!m)return!1;y+=m.length}}let _=!1;if(null!=f){if(!P(f))return t.destroy(new Error("Invalid username")),!1;_=!0,y+=i.byteLength(f)+2}if(null!=d){if(!_)return t.destroy(new Error("Username is required to use password")),!1;if(!P(d))return t.destroy(new Error("Invalid password")),!1;y+=C(d)+2}t.write(n.CONNECT_HEADER),w(t,y),k(t,o),s.bridgeMode&&(a+=128);t.write(131===a?n.VERSION131:132===a?n.VERSION132:4===a?n.VERSION4:5===a?n.VERSION5:n.VERSION3);let S=0;S|=null!=f?n.USERNAME_MASK:0,S|=null!=d?n.PASSWORD_MASK:0,S|=l&&l.retain?n.WILL_RETAIN_MASK:0,S|=l&&l.qos?l.qos<<n.WILL_QOS_SHIFT:0,S|=l?n.WILL_FLAG_MASK:0,S|=u?n.CLEAN_SESSION_MASK:0,t.write(i.from([S])),b(t,c),5===a&&g.write();k(t,h),l&&(5===a&&m.write(),v(t,l.topic),k(t,l.payload));null!=f&&k(t,f);null!=d&&k(t,d);return!0}(e,t);case"connack":return function(e,t,r){const s=r?r.protocolVersion:4,a=e||{},l=5===s?a.reasonCode:a.returnCode,u=a.properties;let c=2;if("number"!=typeof l)return t.destroy(new Error("Invalid return code")),!1;let h=null;if(5===s){if(h=T(t,u),!h)return!1;c+=h.length}t.write(n.CONNACK_HEADER),w(t,c),t.write(a.sessionPresent?n.SESSIONPRESENT_HEADER:o),t.write(i.from([l])),null!=h&&h.write();return!0}(e,t,r);case"publish":return function(e,t,r){u("publish: packet: %o",e);const o=r?r.protocolVersion:4,a=e||{},l=a.qos||0,c=a.retain?n.RETAIN_MASK:0,h=a.topic,f=a.payload||s,d=a.messageId,p=a.properties;let g=0;if("string"==typeof h)g+=i.byteLength(h)+2;else{if(!i.isBuffer(h))return t.destroy(new Error("Invalid topic")),!1;g+=h.length+2}i.isBuffer(f)?g+=f.length:g+=i.byteLength(f);if(l&&"number"!=typeof d)return t.destroy(new Error("Invalid messageId")),!1;l&&(g+=2);let m=null;if(5===o){if(m=T(t,p),!m)return!1;g+=m.length}t.write(n.PUBLISH_HEADER[l][a.dup?1:0][c?1:0]),w(t,g),b(t,C(h)),t.write(h),l>0&&b(t,d);null!=m&&m.write();return u("publish: payload: %o",f),t.write(f)}(e,t,r);case"puback":case"pubrec":case"pubrel":case"pubcomp":return function(e,t,r){const s=r?r.protocolVersion:4,o=e||{},a=o.cmd||"puback",l=o.messageId,u=o.dup&&"pubrel"===a?n.DUP_MASK:0;let c=0;const h=o.reasonCode,f=o.properties;let d=5===s?3:2;"pubrel"===a&&(c=1);if("number"!=typeof l)return t.destroy(new Error("Invalid messageId")),!1;let p=null;if(5===s&&"object"==typeof f){if(p=I(t,f,r,d),!p)return!1;d+=p.length}t.write(n.ACKS[a][c][u][0]),3===d&&(d+=0!==h?1:-1);w(t,d),b(t,l),5===s&&2!==d&&t.write(i.from([h]));null!==p?p.write():4===d&&t.write(i.from([0]));return!0}(e,t,r);case"subscribe":return function(e,t,r){u("subscribe: packet: ");const s=r?r.protocolVersion:4,o=e||{},a=o.dup?n.DUP_MASK:0,l=o.messageId,c=o.subscriptions,h=o.properties;let f=0;if("number"!=typeof l)return t.destroy(new Error("Invalid messageId")),!1;f+=2;let d=null;if(5===s){if(d=T(t,h),!d)return!1;f+=d.length}if("object"!=typeof c||!c.length)return t.destroy(new Error("Invalid subscriptions")),!1;for(let e=0;e<c.length;e+=1){const r=c[e].topic,n=c[e].qos;if("string"!=typeof r)return t.destroy(new Error("Invalid subscriptions - invalid topic")),!1;if("number"!=typeof n)return t.destroy(new Error("Invalid subscriptions - invalid qos")),!1;if(5===s){if("boolean"!=typeof(c[e].nl||!1))return t.destroy(new Error("Invalid subscriptions - invalid No Local")),!1;if("boolean"!=typeof(c[e].rap||!1))return t.destroy(new Error("Invalid subscriptions - invalid Retain as Published")),!1;const r=c[e].rh||0;if("number"!=typeof r||r>2)return t.destroy(new Error("Invalid subscriptions - invalid Retain Handling")),!1}f+=i.byteLength(r)+2+1}u("subscribe: writing to stream: %o",n.SUBSCRIBE_HEADER),t.write(n.SUBSCRIBE_HEADER[1][a?1:0][0]),w(t,f),b(t,l),null!==d&&d.write();let p=!0;for(const e of c){const r=e.topic,o=e.qos,a=+e.nl,l=+e.rap,u=e.rh;let c;v(t,r),c=n.SUBSCRIBE_OPTIONS_QOS[o],5===s&&(c|=a?n.SUBSCRIBE_OPTIONS_NL:0,c|=l?n.SUBSCRIBE_OPTIONS_RAP:0,c|=u?n.SUBSCRIBE_OPTIONS_RH[u]:0),p=t.write(i.from([c]))}return p}(e,t,r);case"suback":return function(e,t,r){const s=r?r.protocolVersion:4,o=e||{},a=o.messageId,l=o.granted,u=o.properties;let c=0;if("number"!=typeof a)return t.destroy(new Error("Invalid messageId")),!1;c+=2;if("object"!=typeof l||!l.length)return t.destroy(new Error("Invalid qos vector")),!1;for(let e=0;e<l.length;e+=1){if("number"!=typeof l[e])return t.destroy(new Error("Invalid qos vector")),!1;c+=1}let h=null;if(5===s){if(h=I(t,u,r,c),!h)return!1;c+=h.length}t.write(n.SUBACK_HEADER),w(t,c),b(t,a),null!==h&&h.write();return t.write(i.from(l))}(e,t,r);case"unsubscribe":return function(e,t,r){const s=r?r.protocolVersion:4,o=e||{},a=o.messageId,l=o.dup?n.DUP_MASK:0,u=o.unsubscriptions,c=o.properties;let h=0;if("number"!=typeof a)return t.destroy(new Error("Invalid messageId")),!1;h+=2;if("object"!=typeof u||!u.length)return t.destroy(new Error("Invalid unsubscriptions")),!1;for(let e=0;e<u.length;e+=1){if("string"!=typeof u[e])return t.destroy(new Error("Invalid unsubscriptions")),!1;h+=i.byteLength(u[e])+2}let f=null;if(5===s){if(f=T(t,c),!f)return!1;h+=f.length}t.write(n.UNSUBSCRIBE_HEADER[1][l?1:0][0]),w(t,h),b(t,a),null!==f&&f.write();let d=!0;for(let e=0;e<u.length;e++)d=v(t,u[e]);return d}(e,t,r);case"unsuback":return function(e,t,r){const s=r?r.protocolVersion:4,o=e||{},a=o.messageId,l=o.dup?n.DUP_MASK:0,u=o.granted,c=o.properties,h=o.cmd,f=0;let d=2;if("number"!=typeof a)return t.destroy(new Error("Invalid messageId")),!1;if(5===s){if("object"!=typeof u||!u.length)return t.destroy(new Error("Invalid qos vector")),!1;for(let e=0;e<u.length;e+=1){if("number"!=typeof u[e])return t.destroy(new Error("Invalid qos vector")),!1;d+=1}}let p=null;if(5===s){if(p=I(t,c,r,d),!p)return!1;d+=p.length}t.write(n.ACKS[h][f][l][0]),w(t,d),b(t,a),null!==p&&p.write();5===s&&t.write(i.from(u));return!0}(e,t,r);case"pingreq":case"pingresp":return function(e,t,r){return t.write(n.EMPTY[e.cmd])}(e,t);case"disconnect":return function(e,t,r){const s=r?r.protocolVersion:4,o=e||{},a=o.reasonCode,l=o.properties;let u=5===s?1:0,c=null;if(5===s){if(c=I(t,l,r,u),!c)return!1;u+=c.length}t.write(i.from([n.codes.disconnect<<4])),w(t,u),5===s&&t.write(i.from([a]));null!==c&&c.write();return!0}(e,t,r);case"auth":return function(e,t,r){const s=r?r.protocolVersion:4,o=e||{},a=o.reasonCode,l=o.properties;let u=5===s?1:0;5!==s&&t.destroy(new Error("Invalid mqtt version for auth packet"));const c=I(t,l,r,u);if(!c)return!1;u+=c.length,t.write(i.from([n.codes.auth<<4])),w(t,u),t.write(i.from([a])),null!==c&&c.write();return!0}(e,t,r);default:return t.destroy(new Error("Unknown command")),!1}}function 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