@scandit/web-barcode-link/dist/index.umd.cjs

The Scandit Web Barcode Link package

(function(O,x){typeof exports=="object"&&typeof module<"u"?x(exports):typeof define=="function"&&define.amd?define(["exports"],x):(O=typeof globalThis<"u"?globalThis:O||self,x(O.ScanditBarcodeLink={}))})(this,function(O){"use strict";var Br=Object.defineProperty;var Rr=(O,x,$)=>x in O?Br(O,x,{enumerable:!0,configurable:!0,writable:!0,value:$}):O[x]=$;var R=(O,x,$)=>Rr(O,typeof x!="symbol"?x+"":x,$);class x{constructor(e){this.barcodeLink=e}getConfiguration(){return{...this.barcodeLink.configuration}}onCancel(){this.barcodeLink.dispose(),this.barcodeLink.listeners.forEach(e=>{var t;(t=e.onCancel)==null||t.call(e)})}onCapture(e,t){this.barcodeLink.listeners.forEach(i=>{var r;(r=i.onCapture)==null||r.call(i,e,t)})}onConnectionStateChanged(e){this.barcodeLink.listeners.forEach(t=>{var i;(i=t.onConnectionStateChanged)==null||i.call(t,e)})}}var $=(n=>(n.Unique="unique",n.Count="count",n))($||{}),Je=(n=>(n.SingleScanning="singleScanning",n.ContinuousScanning="continuousScanning",n.SingleListBuilding="singleListBuilding",n.ContinuousListBuilding="continuousListBuilding",n))(Je||{}),j=(n=>(n.Express="express",n.Web="web",n))(j||{});class je{constructor(e){R(this,"configuration",{barcodeLinkMode:Je.SingleScanning,licenseKey:"",listBehavior:$.Unique,symbologies:{}});R(this,"flow");R(this,"flowDelegate",new x(this));R(this,"listeners",new Set);this.configuration.licenseKey=e}static forLicenseKey(e){return new je(e)}setSymbologies(e){return this.configuration.symbologies=e,this}setBarcodeLinkMode(e){return this.configuration.barcodeLinkMode=e,this}setBarcodeRegexValidation(e){return this.configuration.barcodeRegexValidation=String(e).slice(1,-1),this}setBarcodeTransformations(e){return this.configuration.barcodeTransformations=e,this}setPlatform(e){switch(e){case j.Express:return delete this.configuration.platform,this;case j.Web:return this.configuration.platform=e,this}}setListBehavior(e){return this.configuration.listBehavior=e,this}addListener(e){return this.listeners.add(e),this}removeListener(e){return this.listeners.delete(e),this}async initialize(e){return this.flow=e,this.flow.setDelegate(this.flowDelegate),await this.flow.initialize()}dispose(){var e;(e=this.flow)==null||e.dispose()}}var te=(n=>(n.MainDeviceReconnected="mainDeviceReconnected",n.MainDeviceDisconnected="mainDeviceDisconnected",n.MainDeviceConnectionFailed="mainDeviceConnectionFailed",n.RemoteDeviceConnected="remoteDeviceConnected",n.RemoteDeviceDisconnected="remoteDeviceDisconnected",n))(te||{});const Rn={SCANDIT_BARCODE_LINK_URL:"https://barcode-link.scandit.com",SCANDIT_BARCODE_LINK_WS_URL:"https://ws.barcode-link.scandit.com"};function Ge(n){const e=n||Rn;return{production:{barcodeLinkUrl:e.SCANDIT_BARCODE_LINK_URL||"https://barcode-link.scandit.com",barcodeLinkWsUrl:e.SCANDIT_BARCODE_LINK_WS_URL||"https://barcode-link-ws.scandit.com"},staging:{barcodeLinkUrl:e.SCANDIT_BARCODE_LINK_STAGING_URL||"https://barcode-link.staging.scandit.io",barcodeLinkWsUrl:e.SCANDIT_BARCODE_LINK_WS_STAGING_URL||"https://barcode-link-ws.staging.scandit.io"},development:{barcodeLinkUrl:e.SCANDIT_BARCODE_LINK_LOCAL_URL||"https://barcode-link.dev.localhost",barcodeLinkWsUrl:e.SCANDIT_BARCODE_LINK_WS_LOCAL_URL||"https://ws.barcode-link.dev.localhost"}}}class le{static setEnvironmentVars(e){this.envMap=Ge(e)}static resetEnvironmentVars(){this.envMap=Ge()}static getCurrentEnvironment(){if(typeof window>"u")return"production";const e=new URLSearchParams(window.location.search).get("__barcodeLinkForceEnvironment");return e&&this.envMap[e]?(console.warn(`Using environment from query parameter: ${e}`),e):"production"}static get barcodeLinkUrl(){return this.envMap[this.getCurrentEnvironment()].barcodeLinkUrl}static get barcodeLinkWsUrl(){return this.envMap[this.getCurrentEnvironment()].barcodeLinkWsUrl}}R(le,"envMap",Ge());var Nn=typeof globalThis<"u"?globalThis:typeof window<"u"?window:typeof global<"u"?global:typeof self<"u"?self:{},ue={},Ln=function(){return typeof Promise=="function"&&Promise.prototype&&Promise.prototype.then},Ot={},U={};let $e;const On=[0,26,44,70,100,134,172,196,242,292,346,404,466,532,581,655,733,815,901,991,1085,1156,1258,1364,1474,1588,1706,1828,1921,2051,2185,2323,2465,2611,2761,2876,3034,3196,3362,3532,3706];U.getSymbolSize=function(e){if(!e)throw new Error('"version" cannot be null or undefined');if(e<1||e>40)throw new Error('"version" should be in range from 1 to 40');return e*4+17},U.getSymbolTotalCodewords=function(e){return On[e]},U.getBCHDigit=function(n){let e=0;for(;n!==0;)e++,n>>>=1;return e},U.setToSJISFunction=function(e){if(typeof e!="function")throw new Error('"toSJISFunc" is not a valid function.');$e=e},U.isKanjiModeEnabled=function(){return typeof $e<"u"},U.toSJIS=function(e){return $e(e)};var Ce={};(function(n){n.L={bit:1},n.M={bit:0},n.Q={bit:3},n.H={bit:2};function e(t){if(typeof t!="string")throw new Error("Param is not a string");switch(t.toLowerCase()){case"l":case"low":return n.L;case"m":case"medium":return n.M;case"q":case"quartile":return n.Q;case"h":case"high":return n.H;default:throw new Error("Unknown EC Level: "+t)}}n.isValid=function(i){return i&&typeof i.bit<"u"&&i.bit>=0&&i.bit<4},n.from=function(i,r){if(n.isValid(i))return i;try{return e(i)}catch{return r}}})(Ce);function Mt(){this.buffer=[],this.length=0}Mt.prototype={get:function(n){const e=Math.floor(n/8);return(this.buffer[e]>>>7-n%8&1)===1},put:function(n,e){for(let t=0;t<e;t++)this.putBit((n>>>e-t-1&1)===1)},getLengthInBits:function(){return this.length},putBit:function(n){const e=Math.floor(this.length/8);this.buffer.length<=e&&this.buffer.push(0),n&&(this.buffer[e]|=128>>>this.length%8),this.length++}};var Mn=Mt;function de(n){if(!n||n<1)throw new Error("BitMatrix size must be defined and greater than 0");this.size=n,this.data=new Uint8Array(n*n),this.reservedBit=new Uint8Array(n*n)}de.prototype.set=function(n,e,t,i){const r=n*this.size+e;this.data[r]=t,i&&(this.reservedBit[r]=!0)},de.prototype.get=function(n,e){return this.data[n*this.size+e]},de.prototype.xor=function(n,e,t){this.data[n*this.size+e]^=t},de.prototype.isReserved=function(n,e){return this.reservedBit[n*this.size+e]};var In=de,It={};(function(n){const e=U.getSymbolSize;n.getRowColCoords=function(i){if(i===1)return[];const r=Math.floor(i/7)+2,s=e(i),o=s===145?26:Math.ceil((s-13)/(2*r-2))*2,a=[s-7];for(let c=1;c<r-1;c++)a[c]=a[c-1]-o;return a.push(6),a.reverse()},n.getPositions=function(i){const r=[],s=n.getRowColCoords(i),o=s.length;for(let a=0;a<o;a++)for(let c=0;c<o;c++)a===0&&c===0||a===0&&c===o-1||a===o-1&&c===0||r.push([s[a],s[c]]);return r}})(It);var Pt={};const Pn=U.getSymbolSize,Dt=7;Pt.getPositions=function(e){const t=Pn(e);return[[0,0],[t-Dt,0],[0,t-Dt]]};var xt={};(function(n){n.Patterns={PATTERN000:0,PATTERN001:1,PATTERN010:2,PATTERN011:3,PATTERN100:4,PATTERN101:5,PATTERN110:6,PATTERN111:7};const e={N1:3,N2:3,N3:40,N4:10};n.isValid=function(r){return r!=null&&r!==""&&!isNaN(r)&&r>=0&&r<=7},n.from=function(r){return n.isValid(r)?parseInt(r,10):void 0},n.getPenaltyN1=function(r){const s=r.size;let o=0,a=0,c=0,w=null,m=null;for(let k=0;k<s;k++){a=c=0,w=m=null;for(let h=0;h<s;h++){let d=r.get(k,h);d===w?a++:(a>=5&&(o+=e.N1+(a-5)),w=d,a=1),d=r.get(h,k),d===m?c++:(c>=5&&(o+=e.N1+(c-5)),m=d,c=1)}a>=5&&(o+=e.N1+(a-5)),c>=5&&(o+=e.N1+(c-5))}return o},n.getPenaltyN2=function(r){const s=r.size;let o=0;for(let a=0;a<s-1;a++)for(let c=0;c<s-1;c++){const w=r.get(a,c)+r.get(a,c+1)+r.get(a+1,c)+r.get(a+1,c+1);(w===4||w===0)&&o++}return o*e.N2},n.getPenaltyN3=function(r){const s=r.size;let o=0,a=0,c=0;for(let w=0;w<s;w++){a=c=0;for(let m=0;m<s;m++)a=a<<1&2047|r.get(w,m),m>=10&&(a===1488||a===93)&&o++,c=c<<1&2047|r.get(m,w),m>=10&&(c===1488||c===93)&&o++}return o*e.N3},n.getPenaltyN4=function(r){let s=0;const o=r.data.length;for(let c=0;c<o;c++)s+=r.data[c];return Math.abs(Math.ceil(s*100/o/5)-10)*e.N4};function t(i,r,s){switch(i){case n.Patterns.PATTERN000:return(r+s)%2===0;case n.Patterns.PATTERN001:return r%2===0;case n.Patterns.PATTERN010:return s%3===0;case n.Patterns.PATTERN011:return(r+s)%3===0;case n.Patterns.PATTERN100:return(Math.floor(r/2)+Math.floor(s/3))%2===0;case n.Patterns.PATTERN101:return r*s%2+r*s%3===0;case n.Patterns.PATTERN110:return(r*s%2+r*s%3)%2===0;case n.Patterns.PATTERN111:return(r*s%3+(r+s)%2)%2===0;default:throw new Error("bad maskPattern:"+i)}}n.applyMask=function(r,s){const o=s.size;for(let a=0;a<o;a++)for(let c=0;c<o;c++)s.isReserved(c,a)||s.xor(c,a,t(r,c,a))},n.getBestMask=function(r,s){const o=Object.keys(n.Patterns).length;let a=0,c=1/0;for(let w=0;w<o;w++){s(w),n.applyMask(w,r);const m=n.getPenaltyN1(r)+n.getPenaltyN2(r)+n.getPenaltyN3(r)+n.getPenaltyN4(r);n.applyMask(w,r),m<c&&(c=m,a=w)}return a}})(xt);var ke={};const Q=Ce,Ae=[1,1,1,1,1,1,1,1,1,1,2,2,1,2,2,4,1,2,4,4,2,4,4,4,2,4,6,5,2,4,6,6,2,5,8,8,4,5,8,8,4,5,8,11,4,8,10,11,4,9,12,16,4,9,16,16,6,10,12,18,6,10,17,16,6,11,16,19,6,13,18,21,7,14,21,25,8,16,20,25,8,17,23,25,9,17,23,34,9,18,25,30,10,20,27,32,12,21,29,35,12,23,34,37,12,25,34,40,13,26,35,42,14,28,38,45,15,29,40,48,16,31,43,51,17,33,45,54,18,35,48,57,19,37,51,60,19,38,53,63,20,40,56,66,21,43,59,70,22,45,62,74,24,47,65,77,25,49,68,81],Te=[7,10,13,17,10,16,22,28,15,26,36,44,20,36,52,64,26,48,72,88,36,64,96,112,40,72,108,130,48,88,132,156,60,110,160,192,72,130,192,224,80,150,224,264,96,176,260,308,104,198,288,352,120,216,320,384,132,240,360,432,144,280,408,480,168,308,448,532,180,338,504,588,196,364,546,650,224,416,600,700,224,442,644,750,252,476,690,816,270,504,750,900,300,560,810,960,312,588,870,1050,336,644,952,1110,360,700,1020,1200,390,728,1050,1260,420,784,1140,1350,450,812,1200,1440,480,868,1290,1530,510,924,1350,1620,540,980,1440,1710,570,1036,1530,1800,570,1064,1590,1890,600,1120,1680,1980,630,1204,1770,2100,660,1260,1860,2220,720,1316,1950,2310,750,1372,2040,2430];ke.getBlocksCount=function(e,t){switch(t){case Q.L:return Ae[(e-1)*4+0];case Q.M:return Ae[(e-1)*4+1];case Q.Q:return Ae[(e-1)*4+2];case Q.H:return Ae[(e-1)*4+3];default:return}},ke.getTotalCodewordsCount=function(e,t){switch(t){case Q.L:return Te[(e-1)*4+0];case Q.M:return Te[(e-1)*4+1];case Q.Q:return Te[(e-1)*4+2];case Q.H:return Te[(e-1)*4+3];default:return}};var Ut={},Se={};const fe=new Uint8Array(512),Be=new Uint8Array(256);(function(){let e=1;for(let t=0;t<255;t++)fe[t]=e,Be[e]=t,e<<=1,e&256&&(e^=285);for(let t=255;t<512;t++)fe[t]=fe[t-255]})(),Se.log=function(e){if(e<1)throw new Error("log("+e+")");return Be[e]},Se.exp=function(e){return fe[e]},Se.mul=function(e,t){return e===0||t===0?0:fe[Be[e]+Be[t]]},function(n){const e=Se;n.mul=function(i,r){const s=new Uint8Array(i.length+r.length-1);for(let o=0;o<i.length;o++)for(let a=0;a<r.length;a++)s[o+a]^=e.mul(i[o],r[a]);return s},n.mod=function(i,r){let s=new Uint8Array(i);for(;s.length-r.length>=0;){const o=s[0];for(let c=0;c<r.length;c++)s[c]^=e.mul(r[c],o);let a=0;for(;a<s.length&&s[a]===0;)a++;s=s.slice(a)}return s},n.generateECPolynomial=function(i){let r=new Uint8Array([1]);for(let s=0;s<i;s++)r=n.mul(r,new Uint8Array([1,e.exp(s)]));return r}}(Ut);const Ft=Ut;function Qe(n){this.genPoly=void 0,this.degree=n,this.degree&&this.initialize(this.degree)}Qe.prototype.initialize=function(e){this.degree=e,this.genPoly=Ft.generateECPolynomial(this.degree)},Qe.prototype.encode=function(e){if(!this.genPoly)throw new Error("Encoder not initialized");const t=new Uint8Array(e.length+this.degree);t.set(e);const i=Ft.mod(t,this.genPoly),r=this.degree-i.length;if(r>0){const s=new Uint8Array(this.degree);return s.set(i,r),s}return i};var Dn=Qe,qt={},X={},Xe={};Xe.isValid=function(e){return!isNaN(e)&&e>=1&&e<=40};var K={};const Vt="[0-9]+",xn="[A-Z $%*+\\-./:]+";let pe="(?:[u3000-u303F]|[u3040-u309F]|[u30A0-u30FF]|[uFF00-uFFEF]|[u4E00-u9FAF]|[u2605-u2606]|[u2190-u2195]|u203B|[u2010u2015u2018u2019u2025u2026u201Cu201Du2225u2260]|[u0391-u0451]|[u00A7u00A8u00B1u00B4u00D7u00F7])+";pe=pe.replace(/u/g,"\\u");const Un="(?:(?![A-Z0-9 $%*+\\-./:]|"+pe+`)(?:.|[\r
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e=this.uri(),t=this.opts.protocols,i=dn?{}:an(this.opts,"agent","perMessageDeflate","pfx","key","passphrase","cert","ca","ciphers","rejectUnauthorized","localAddress","protocolVersion","origin","maxPayload","family","checkServerIdentity");this.opts.extraHeaders&&(i.headers=this.opts.extraHeaders);try{this.ws=this.createSocket(e,t,i)}catch(r){return this.emitReserved("error",r)}this.ws.binaryType=this.socket.binaryType,this.addEventListeners()}addEventListeners(){this.ws.onopen=()=>{this.opts.autoUnref&&this.ws._socket.unref(),this.onOpen()},this.ws.onclose=e=>this.onClose({description:"websocket connection closed",context:e}),this.ws.onmessage=e=>this.onData(e.data),this.ws.onerror=e=>this.onError("websocket error",e)}write(e){this.writable=!1;for(let t=0;t<e.length;t++){const i=e[t],r=t===e.length-1;ut(i,this.supportsBinary,s=>{try{this.doWrite(i,s)}catch{}r&&Ie(()=>{this.writable=!0,this.emitReserved("drain")},this.setTimeoutFn)})}}doClose(){typeof this.ws<"u"&&(this.ws.onerror=()=>{},this.ws.close(),this.ws=null)}uri(){const e=this.opts.secure?"wss":"ws",t=this.query||{};return this.opts.timestampRequests&&(t[this.opts.timestampParam]=cn()),this.supportsBinary||(t.b64=1),this.createUri(e,t)}}const mt=q.WebSocket||q.MozWebSocket;class Ki extends zi{createSocket(e,t,i){return dn?new mt(e,t,i):t?new mt(e,t):new mt(e)}doWrite(e,t){this.ws.send(t)}}class Hi extends gt{get name(){return"webtransport"}doOpen(){try{this._transport=new WebTransport(this.createUri("https"),this.opts.transportOptions[this.name])}catch(e){return this.emitReserved("error",e)}this._transport.closed.then(()=>{this.onClose()}).catch(e=>{this.onError("webtransport error",e)}),this._transport.ready.then(()=>{this._transport.createBidirectionalStream().then(e=>{const t=Ai(Number.MAX_SAFE_INTEGER,this.socket.binaryType),i=e.readable.pipeThrough(t).getReader(),r=ki();r.readable.pipeTo(e.writable),this._writer=r.writable.getWriter();const s=()=>{i.read().then(({done:a,value:c})=>{a||(this.onPacket(c),s())}).catch(a=>{})};s();const o={type:"open"};this.query.sid&&(o.data=`{"sid":"${this.query.sid}"}`),this._writer.write(o).then(()=>this.onOpen())})})}write(e){this.writable=!1;for(let t=0;t<e.length;t++){const i=e[t],r=t===e.length-1;this._writer.write(i).then(()=>{r&&Ie(()=>{this.writable=!0,this.emitReserved("drain")},this.setTimeoutFn)})}}doClose(){var e;(e=this._transport)===null||e===void 0||e.close()}}const Wi={websocket:Ki,webtransport:Hi,polling:Vi},Yi=/^(?:(?![^:@\/?#]+:[^:@\/]*@)(http|https|ws|wss):\/\/)?((?:(([^:@\/?#]*)(?::([^:@\/?#]*))?)?@)?((?:[a-f0-9]{0,4}:){2,7}[a-f0-9]{0,4}|[^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/,Ji=["source","protocol","authority","userInfo","user","password","host","port","relative","path","directory","file","query","anchor"];function wt(n){if(n.length>8e3)throw"URI too long";const e=n,t=n.indexOf("["),i=n.indexOf("]");t!=-1&&i!=-1&&(n=n.substring(0,t)+n.substring(t,i).replace(/:/g,";")+n.substring(i,n.length));let r=Yi.exec(n||""),s={},o=14;for(;o--;)s[Ji[o]]=r[o]||"";return t!=-1&&i!=-1&&(s.source=e,s.host=s.host.substring(1,s.host.length-1).replace(/;/g,":"),s.authority=s.authority.replace("[","").replace("]","").replace(/;/g,":"),s.ipv6uri=!0),s.pathNames=ji(s,s.path),s.queryKey=Gi(s,s.query),s}function ji(n,e){const t=/\/{2,9}/g,i=e.replace(t,"/").split("/");return(e.slice(0,1)=="/"||e.length===0)&&i.splice(0,1),e.slice(-1)=="/"&&i.splice(i.length-1,1),i}function Gi(n,e){const t={};return e.replace(/(?:^|&)([^&=]*)=?([^&]*)/g,function(i,r,s){r&&(t[r]=s)}),t}const bt=typeof addEventListener=="function"&&typeof removeEventListener=="function",De=[];bt&&addEventListener("offline",()=>{De.forEach(n=>n())},!1);class Z extends M{constructor(e,t){if(super(),this.binaryType=Si,this.writeBuffer=[],this._prevBufferLen=0,this._pingInterval=-1,this._pingTimeout=-1,this._maxPayload=-1,this._pingTimeoutTime=1/0,e&&typeof e=="object"&&(t=e,e=null),e){const i=wt(e);t.hostname=i.host,t.secure=i.protocol==="https"||i.protocol==="wss",t.port=i.port,i.query&&(t.query=i.query)}else t.host&&(t.hostname=wt(t.host).host);Pe(this,t),this.secure=t.secure!=null?t.secure:typeof location<"u"&&location.protocol==="https:",t.hostname&&!t.port&&(t.port=this.secure?"443":"80"),this.hostname=t.hostname||(typeof location<"u"?location.hostname:"localhost"),this.port=t.port||(typeof location<"u"&&location.port?location.port:this.secure?"443":"80"),this.transports=[],this._transportsByName={},t.transports.forEach(i=>{const r=i.prototype.name;this.transports.push(r),this._transportsByName[r]=i}),this.opts=Object.assign({path:"/engine.io",agent:!1,withCredentials:!1,upgrade:!0,timestampParam:"t",rememberUpgrade:!1,addTrailingSlash:!0,rejectUnauthorized:!0,perMessageDeflate:{threshold:1024},transportOptions:{},closeOnBeforeunload:!1},t),this.opts.path=this.opts.path.replace(/\/$/,"")+(this.opts.addTrailingSlash?"/":""),typeof this.opts.query=="string"&&(this.opts.query=Ii(this.opts.query)),bt&&(this.opts.closeOnBeforeunload&&(this._beforeunloadEventListener=()=>{this.transport&&(this.transport.removeAllListeners(),this.transport.close())},addEventListener("beforeunload",this._beforeunloadEventListener,!1)),this.hostname!=="localhost"&&(this._offlineEventListener=()=>{this._onClose("transport close",{description:"network connection lost"})},De.push(this._offlineEventListener))),this.opts.withCredentials&&(this._cookieJar=void 0),this._open()}createTransport(e){const t=Object.assign({},this.opts.query);t.EIO=on,t.transport=e,this.id&&(t.sid=this.id);const i=Object.assign({},this.opts,{query:t,socket:this,hostname:this.hostname,secure:this.secure,port:this.port},this.opts.transportOptions[e]);return new this._transportsByName[e](i)}_open(){if(this.transports.length===0){this.setTimeoutFn(()=>{this.emitReserved("error","No transports available")},0);return}const e=this.opts.rememberUpgrade&&Z.priorWebsocketSuccess&&this.transports.indexOf("websocket")!==-1?"websocket":this.transports[0];this.readyState="opening";const t=this.createTransport(e);t.open(),this.setTransport(t)}setTransport(e){this.transport&&this.transport.removeAllListeners(),this.transport=e,e.on("drain",this._onDrain.bind(this)).on("packet",this._onPacket.bind(this)).on("error",this._onError.bind(this)).on("close",t=>this._onClose("transport close",t))}onOpen(){this.readyState="open",Z.priorWebsocketSuccess=this.transport.name==="websocket",this.emitReserved("open"),this.flush()}_onPacket(e){if(this.readyState==="opening"||this.readyState==="open"||this.readyState==="closing")switch(this.emitReserved("packet",e),this.emitReserved("heartbeat"),e.type){case"open":this.onHandshake(JSON.parse(e.data));break;case"ping":this._sendPacket("pong"),this.emitReserved("ping"),this.emitReserved("pong"),this._resetPingTimeout();break;case"error":const t=new Error("server error");t.code=e.data,this._onError(t);break;case"message":this.emitReserved("data",e.data),this.emitReserved("message",e.data);break}}onHandshake(e){this.emitReserved("handshake",e),this.id=e.sid,this.transport.query.sid=e.sid,this._pingInterval=e.pingInterval,this._pingTimeout=e.pingTimeout,this._maxPayload=e.maxPayload,this.onOpen(),this.readyState!=="closed"&&this._resetPingTimeout()}_resetPingTimeout(){this.clearTimeoutFn(this._pingTimeoutTimer);const e=this._pingInterval+this._pingTimeout;this._pingTimeoutTime=Date.now()+e,this._pingTimeoutTimer=this.setTimeoutFn(()=>{this._onClose("ping timeout")},e),this.opts.autoUnref&&this._pingTimeoutTimer.unref()}_onDrain(){this.writeBuffer.splice(0,this._prevBufferLen),this._prevBufferLen=0,this.writeBuffer.length===0?this.emitReserved("drain"):this.flush()}flush(){if(this.readyState!=="closed"&&this.transport.writable&&!this.upgrading&&this.writeBuffer.length){const e=this._getWritablePackets();this.transport.send(e),this._prevBufferLen=e.length,this.emitReserved("flush")}}_getWritablePackets(){if(!(this._maxPayload&&this.transport.name==="polling"&&this.writeBuffer.length>1))return this.writeBuffer;let t=1;for(let i=0;i<this.writeBuffer.length;i++){const r=this.writeBuffer[i].data;if(r&&(t+=Li(r)),i>0&&t>this._maxPayload)return this.writeBuffer.slice(0,i);t+=2}return this.writeBuffer}_hasPingExpired(){if(!this._pingTimeoutTime)return!0;const e=Date.now()>this._pingTimeoutTime;return e&&(this._pingTimeoutTime=0,Ie(()=>{this._onClose("ping timeout")},this.setTimeoutFn)),e}write(e,t,i){return this._sendPacket("message",e,t,i),this}send(e,t,i){return this._sendPacket("message",e,t,i),this}_sendPacket(e,t,i,r){if(typeof t=="function"&&(r=t,t=void 0),typeof i=="function"&&(r=i,i=null),this.readyState==="closing"||this.readyState==="closed")return;i=i||{},i.compress=i.compress!==!1;const s={type:e,data:t,options:i};this.emitReserved("packetCreate",s),this.writeBuffer.push(s),r&&this.once("flush",r),this.flush()}close(){const e=()=>{this._onClose("forced close"),this.transport.close()},t=()=>{this.off("upgrade",t),this.off("upgradeError",t),e()},i=()=>{this.once("upgrade",t),this.once("upgradeError",t)};return(this.readyState==="opening"||this.readyState==="open")&&(this.readyState="closing",this.writeBuffer.length?this.once("drain",()=>{this.upgrading?i():e()}):this.upgrading?i():e()),this}_onError(e){if(Z.priorWebsocketSuccess=!1,this.opts.tryAllTransports&&this.transports.length>1&&this.readyState==="opening")return this.transports.shift(),this._open();this.emitReserved("error",e),this._onClose("transport error",e)}_onClose(e,t){if(this.readyState==="opening"||this.readyState==="open"||this.readyState==="closing"){if(this.clearTimeoutFn(this._pingTimeoutTimer),this.transport.removeAllListeners("close"),this.transport.c