2 lines
36 KiB
JavaScript
2 lines
36 KiB
JavaScript
const d=Object.create(null);d.open="0";d.close="1";d.ping="2";d.pong="3";d.message="4";d.upgrade="5";d.noop="6";const R=Object.create(null);Object.keys(d).forEach(i=>{R[d[i]]=i});const ce={type:"error",data:"parser error"},he=typeof Blob=="function"||typeof Blob<"u"&&Object.prototype.toString.call(Blob)==="[object BlobConstructor]",ae=typeof ArrayBuffer=="function",ue=i=>typeof ArrayBuffer.isView=="function"?ArrayBuffer.isView(i):i&&i.buffer instanceof ArrayBuffer,z=({type:i,data:e},t,s)=>he&&e instanceof Blob?t?s(e):D(e,s):ae&&(e instanceof ArrayBuffer||ue(e))?t?s(e):D(new Blob([e]),s):s(d[i]+(e||"")),D=(i,e)=>{const t=new FileReader;return t.onload=function(){const s=t.result.split(",")[1];e("b"+(s||""))},t.readAsDataURL(i)},I="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/",k=typeof Uint8Array>"u"?[]:new Uint8Array(256);for(let i=0;i<I.length;i++)k[I.charCodeAt(i)]=i;const fe=i=>{let e=i.length*.75,t=i.length,s,n=0,r,o,a,l;i[i.length-1]==="="&&(e--,i[i.length-2]==="="&&e--);const w=new ArrayBuffer(e),y=new Uint8Array(w);for(s=0;s<t;s+=4)r=k[i.charCodeAt(s)],o=k[i.charCodeAt(s+1)],a=k[i.charCodeAt(s+2)],l=k[i.charCodeAt(s+3)],y[n++]=r<<2|o>>4,y[n++]=(o&15)<<4|a>>2,y[n++]=(a&3)<<6|l&63;return w},le=typeof ArrayBuffer=="function",Y=(i,e)=>{if(typeof i!="string")return{type:"message",data:W(i,e)};const t=i.charAt(0);return t==="b"?{type:"message",data:pe(i.substring(1),e)}:R[t]?i.length>1?{type:R[t],data:i.substring(1)}:{type:R[t]}:ce},pe=(i,e)=>{if(le){const t=fe(i);return W(t,e)}else return{base64:!0,data:i}},W=(i,e)=>{switch(e){case"blob":return i instanceof ArrayBuffer?new Blob([i]):i;case"arraybuffer":default:return i}},Q=String.fromCharCode(30),de=(i,e)=>{const t=i.length,s=new Array(t);let n=0;i.forEach((r,o)=>{z(r,!1,a=>{s[o]=a,++n===t&&e(s.join(Q))})})},ye=(i,e)=>{const t=i.split(Q),s=[];for(let n=0;n<t.length;n++){const r=Y(t[n],e);if(s.push(r),r.type==="error")break}return s},J=4;function h(i){if(i)return me(i)}function me(i){for(var e in h.prototype)i[e]=h.prototype[e];return i}h.prototype.on=h.prototype.addEventListener=function(i,e){return this._callbacks=this._callbacks||{},(this._callbacks["$"+i]=this._callbacks["$"+i]||[]).push(e),this};h.prototype.once=function(i,e){function t(){this.off(i,t),e.apply(this,arguments)}return t.fn=e,this.on(i,t),this};h.prototype.off=h.prototype.removeListener=h.prototype.removeAllListeners=h.prototype.removeEventListener=function(i,e){if(this._callbacks=this._callbacks||{},arguments.length==0)return this._callbacks={},this;var t=this._callbacks["$"+i];if(!t)return this;if(arguments.length==1)return delete this._callbacks["$"+i],this;for(var s,n=0;n<t.length;n++)if(s=t[n],s===e||s.fn===e){t.splice(n,1);break}return t.length===0&&delete this._callbacks["$"+i],this};h.prototype.emit=function(i){this._callbacks=this._callbacks||{};for(var e=new Array(arguments.length-1),t=this._callbacks["$"+i],s=1;s<arguments.length;s++)e[s-1]=arguments[s];if(t){t=t.slice(0);for(var s=0,n=t.length;s<n;++s)t[s].apply(this,e)}return this};h.prototype.emitReserved=h.prototype.emit;h.prototype.listeners=function(i){return this._callbacks=this._callbacks||{},this._callbacks["$"+i]||[]};h.prototype.hasListeners=function(i){return!!this.listeners(i).length};const u=(()=>typeof self<"u"?self:typeof window<"u"?window:Function("return this")())();function X(i,...e){return e.reduce((t,s)=>(i.hasOwnProperty(s)&&(t[s]=i[s]),t),{})}const ge=u.setTimeout,be=u.clearTimeout;function T(i,e){e.useNativeTimers?(i.setTimeoutFn=ge.bind(u),i.clearTimeoutFn=be.bind(u)):(i.setTimeoutFn=u.setTimeout.bind(u),i.clearTimeoutFn=u.clearTimeout.bind(u))}const we=1.33;function ve(i){return typeof i=="string"?_e(i):Math.ceil((i.byteLength||i.size)*we)}function _e(i){let e=0,t=0;for(let 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V=0,E=0,F;function M(i){let e="";do e=j[i%B]+e,i=Math.floor(i/B);while(i>0);return e}function Z(){const i=M(+new Date);return i!==F?(V=0,F=i):i+"."+M(V++)}for(;E<B;E++)Ee[j[E]]=E;function ee(i){let e="";for(let t in i)i.hasOwnProperty(t)&&(e.length&&(e+="&"),e+=encodeURIComponent(t)+"="+encodeURIComponent(i[t]));return e}function Ae(i){let e={},t=i.split("&");for(let s=0,n=t.length;s<n;s++){let r=t[s].split("=");e[decodeURIComponent(r[0])]=decodeURIComponent(r[1])}return e}let te=!1;try{te=typeof XMLHttpRequest<"u"&&"withCredentials"in new XMLHttpRequest}catch{}const Re=te;function se(i){const e=i.xdomain;try{if(typeof XMLHttpRequest<"u"&&(!e||Re))return new XMLHttpRequest}catch{}if(!e)try{return new u[["Active"].concat("Object").join("X")]("Microsoft.XMLHTTP")}catch{}}function Oe(){}const Te=function(){return new se({xdomain:!1}).responseType!=null}();class Ce extends G{constructor(e){if(super(e),this.polling=!1,typeof location<"u"){const s=location.protocol==="https:";let 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t!=-1&&s!=-1&&(r.source=e,r.host=r.host.substring(1,r.host.length-1).replace(/;/g,":"),r.authority=r.authority.replace("[","").replace("]","").replace(/;/g,":"),r.ipv6uri=!0),r.pathNames=Pe(r,r.path),r.queryKey=qe(r,r.query),r}function Pe(i,e){const t=/\/{2,9}/g,s=e.replace(t,"/").split("/");return(e.slice(0,1)=="/"||e.length===0)&&s.splice(0,1),e.slice(-1)=="/"&&s.splice(s.length-1,1),s}function qe(i,e){const t={};return e.replace(/(?:^|&)([^&=]*)=?([^&]*)/g,function(s,n,r){n&&(t[n]=r)}),t}let ne=class g extends h{constructor(e,t={}){super(),this.writeBuffer=[],e&&typeof e=="object"&&(t=e,e=null),e?(e=S(e),t.hostname=e.host,t.secure=e.protocol==="https"||e.protocol==="wss",t.port=e.port,e.query&&(t.query=e.query)):t.host&&(t.hostname=S(t.host).host),T(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=t.transports||["polling","websocket"],this.writeBuffer=[],this.prevBufferLen=0,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:!0},t),this.opts.path=this.opts.path.replace(/\/$/,"")+(this.opts.addTrailingSlash?"/":""),typeof this.opts.query=="string"&&(this.opts.query=Ae(this.opts.query)),this.id=null,this.upgrades=null,this.pingInterval=null,this.pingTimeout=null,this.pingTimeoutTimer=null,typeof addEventListener=="function"&&(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"})},addEventListener("offline",this.offlineEventListener,!1))),this.open()}createTransport(e){const t=Object.assign({},this.opts.query);t.EIO=J,t.transport=e,this.id&&(t.sid=this.id);const s=Object.assign({},this.opts.transportOptions[e],this.opts,{query:t,socket:this,hostname:this.hostname,secure:this.secure,port:this.port});return new Ne[e](s)}open(){let e;if(this.opts.rememberUpgrade&&g.priorWebsocketSuccess&&this.transports.indexOf("websocket")!==-1)e="websocket";else if(this.transports.length===0){this.setTimeoutFn(()=>{this.emitReserved("error","No transports available")},0);return}else e=this.transports[0];this.readyState="opening";try{e=this.createTransport(e)}catch{this.transports.shift(),this.open();return}e.open(),this.setTransport(e)}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))}probe(e){let t=this.createTransport(e),s=!1;g.priorWebsocketSuccess=!1;const n=()=>{s||(t.send([{type:"ping",data:"probe"}]),t.once("packet",m=>{if(!s)if(m.type==="pong"&&m.data==="probe"){if(this.upgrading=!0,this.emitReserved("upgrading",t),!t)return;g.priorWebsocketSuccess=t.name==="websocket",this.transport.pause(()=>{s||this.readyState!=="closed"&&(y(),this.setTransport(t),t.send([{type:"upgrade"}]),this.emitReserved("upgrade",t),t=null,this.upgrading=!1,this.flush())})}else{const v=new Error("probe error");v.transport=t.name,this.emitReserved("upgradeError",v)}}))};function r(){s||(s=!0,y(),t.close(),t=null)}const o=m=>{const v=new Error("probe error: "+m);v.transport=t.name,r(),this.emitReserved("upgradeError",v)};function a(){o("transport closed")}function l(){o("socket closed")}function w(m){t&&m.name!==t.name&&r()}const y=()=>{t.removeListener("open",n),t.removeListener("error",o),t.removeListener("close",a),this.off("close",l),this.off("upgrading",w)};t.once("open",n),t.once("error",o),t.once("close",a),this.once("close",l),this.once("upgrading",w),t.open()}onOpen(){if(this.readyState="open",g.priorWebsocketSuccess=this.transport.name==="websocket",this.emitReserved("open"),this.flush(),this.readyState==="open"&&this.opts.upgrade){let e=0;const t=this.upgrades.length;for(;e<t;e++)this.probe(this.upgrades[e])}}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.resetPingTimeout(),this.sendPacket("pong"),this.emitReserved("ping"),this.emitReserved("pong");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.upgrades=this.filterUpgrades(e.upgrades),this.pingInterval=e.pingInterval,this.pingTimeout=e.pingTimeout,this.maxPayload=e.maxPayload,this.onOpen(),this.readyState!=="closed"&&this.resetPingTimeout()}resetPingTimeout(){this.clearTimeoutFn(this.pingTimeoutTimer),this.pingTimeoutTimer=this.setTimeoutFn(()=>{this.onClose("ping timeout")},this.pingInterval+this.pingTimeout),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 s=0;s<this.writeBuffer.length;s++){const n=this.writeBuffer[s].data;if(n&&(t+=ve(n)),s>0&&t>this.maxPayload)return this.writeBuffer.slice(0,s);t+=2}return this.writeBuffer}write(e,t,s){return this.sendPacket("message",e,t,s),this}send(e,t,s){return this.sendPacket("message",e,t,s),this}sendPacket(e,t,s,n){if(typeof t=="function"&&(n=t,t=void 0),typeof s=="function"&&(n=s,s=null),this.readyState==="closing"||this.readyState==="closed")return;s=s||{},s.compress=s.compress!==!1;const r={type:e,data:t,options:s};this.emitReserved("packetCreate",r),this.writeBuffer.push(r),n&&this.once("flush",n),this.flush()}close(){const e=()=>{this.onClose("forced close"),this.transport.close()},t=()=>{this.off("upgrade",t),this.off("upgradeError",t),e()},s=()=>{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?s():e()}):this.upgrading?s():e()),this}onError(e){g.priorWebsocketSuccess=!1,this.emitReserved("error",e),this.onClose("transport error",e)}onClose(e,t){(this.readyState==="opening"||this.readyState==="open"||this.readyState==="closing")&&(this.clearTimeoutFn(this.pingTimeoutTimer),this.transport.removeAllListeners("close"),this.transport.close(),this.transport.removeAllListeners(),typeof removeEventListener=="function"&&(removeEventListener("beforeunload",this.beforeunloadEventListener,!1),removeEventListener("offline",this.offlineEventListener,!1)),this.readyState="closed",this.id=null,this.emitReserved("close",e,t),this.writeBuffer=[],this.prevBufferLen=0)}filterUpgrades(e){const t=[];let s=0;const n=e.length;for(;s<n;s++)~this.transports.indexOf(e[s])&&t.push(e[s]);return t}};ne.protocol=J;function De(i,e="",t){let s=i;t=t||typeof location<"u"&&location,i==null&&(i=t.protocol+"//"+t.host),typeof i=="string"&&(i.charAt(0)==="/"&&(i.charAt(1)==="/"?i=t.protocol+i:i=t.host+i),/^(https?|wss?):\/\//.test(i)||(typeof t<"u"?i=t.protocol+"//"+i:i="https://"+i),s=S(i)),s.port||(/^(http|ws)$/.test(s.protocol)?s.port="80":/^(http|ws)s$/.test(s.protocol)&&(s.port="443")),s.path=s.path||"/";const r=s.host.indexOf(":")!==-1?"["+s.host+"]":s.host;return s.id=s.protocol+"://"+r+":"+s.port+e,s.href=s.protocol+"://"+r+(t&&t.port===s.port?"":":"+s.port),s}const Ie=typeof ArrayBuffer=="function",Ve=i=>typeof ArrayBuffer.isView=="function"?ArrayBuffer.isView(i):i.buffer instanceof ArrayBuffer,re=Object.prototype.toString,Fe=typeof Blob=="function"||typeof Blob<"u"&&re.call(Blob)==="[object BlobConstructor]",Me=typeof File=="function"||typeof File<"u"&&re.call(File)==="[object FileConstructor]";function P(i){return Ie&&(i instanceof ArrayBuffer||Ve(i))||Fe&&i instanceof Blob||Me&&i instanceof File}function O(i,e){if(!i||typeof i!="object")return!1;if(Array.isArray(i)){for(let t=0,s=i.length;t<s;t++)if(O(i[t]))return!0;return!1}if(P(i))return!0;if(i.toJSON&&typeof i.toJSON=="function"&&arguments.length===1)return O(i.toJSON(),!0);for(const t in i)if(Object.prototype.hasOwnProperty.call(i,t)&&O(i[t]))return!0;return!1}function Ue(i){const e=[],t=i.data,s=i;return s.data=N(t,e),s.attachments=e.length,{packet:s,buffers:e}}function N(i,e){if(!i)return i;if(P(i)){const t={_placeholder:!0,num:e.length};return e.push(i),t}else if(Array.isArray(i)){const t=new Array(i.length);for(let s=0;s<i.length;s++)t[s]=N(i[s],e);return t}else if(typeof i=="object"&&!(i instanceof Date)){const t={};for(const s in i)Object.prototype.hasOwnProperty.call(i,s)&&(t[s]=N(i[s],e));return t}return i}function He(i,e){return i.data=x(i.data,e),delete i.attachments,i}function x(i,e){if(!i)return i;if(i&&i._placeholder===!0){if(typeof i.num=="number"&&i.num>=0&&i.num<e.length)return e[i.num];throw new Error("illegal attachments")}else if(Array.isArray(i))for(let t=0;t<i.length;t++)i[t]=x(i[t],e);else if(typeof i=="object")for(const t in i)Object.prototype.hasOwnProperty.call(i,t)&&(i[t]=x(i[t],e));return i}const Ke=["connect","connect_error","disconnect","disconnecting","newListener","removeListener"],$e=5;var c;(function(i){i[i.CONNECT=0]="CONNECT",i[i.DISCONNECT=1]="DISCONNECT",i[i.EVENT=2]="EVENT",i[i.ACK=3]="ACK",i[i.CONNECT_ERROR=4]="CONNECT_ERROR",i[i.BINARY_EVENT=5]="BINARY_EVENT",i[i.BINARY_ACK=6]="BINARY_ACK"})(c||(c={}));class ze{constructor(e){this.replacer=e}encode(e){return(e.type===c.EVENT||e.type===c.ACK)&&O(e)?this.encodeAsBinary({type:e.type===c.EVENT?c.BINARY_EVENT:c.BINARY_ACK,nsp:e.nsp,data:e.data,id:e.id}):[this.encodeAsString(e)]}encodeAsString(e){let t=""+e.type;return(e.type===c.BINARY_EVENT||e.type===c.BINARY_ACK)&&(t+=e.attachments+"-"),e.nsp&&e.nsp!=="/"&&(t+=e.nsp+","),e.id!=null&&(t+=e.id),e.data!=null&&(t+=JSON.stringify(e.data,this.replacer)),t}encodeAsBinary(e){const t=Ue(e),s=this.encodeAsString(t.packet),n=t.buffers;return n.unshift(s),n}}function $(i){return Object.prototype.toString.call(i)==="[object Object]"}class q extends h{constructor(e){super(),this.reviver=e}add(e){let t;if(typeof e=="string"){if(this.reconstructor)throw new Error("got plaintext data when reconstructing a packet");t=this.decodeString(e);const s=t.type===c.BINARY_EVENT;s||t.type===c.BINARY_ACK?(t.type=s?c.EVENT:c.ACK,this.reconstructor=new Ye(t),t.attachments===0&&super.emitReserved("decoded",t)):super.emitReserved("decoded",t)}else if(P(e)||e.base64)if(this.reconstructor)t=this.reconstructor.takeBinaryData(e),t&&(this.reconstructor=null,super.emitReserved("decoded",t));else throw new Error("got binary data when not reconstructing a packet");else throw new Error("Unknown type: "+e)}decodeString(e){let t=0;const s={type:Number(e.charAt(0))};if(c[s.type]===void 0)throw new Error("unknown packet type "+s.type);if(s.type===c.BINARY_EVENT||s.type===c.BINARY_ACK){const r=t+1;for(;e.charAt(++t)!=="-"&&t!=e.length;);const o=e.substring(r,t);if(o!=Number(o)||e.charAt(t)!=="-")throw new Error("Illegal attachments");s.attachments=Number(o)}if(e.charAt(t+1)==="/"){const r=t+1;for(;++t&&!(e.charAt(t)===","||t===e.length););s.nsp=e.substring(r,t)}else s.nsp="/";const n=e.charAt(t+1);if(n!==""&&Number(n)==n){const r=t+1;for(;++t;){const o=e.charAt(t);if(o==null||Number(o)!=o){--t;break}if(t===e.length)break}s.id=Number(e.substring(r,t+1))}if(e.charAt(++t)){const r=this.tryParse(e.substr(t));if(q.isPayloadValid(s.type,r))s.data=r;else throw new Error("invalid payload")}return s}tryParse(e){try{return JSON.parse(e,this.reviver)}catch{return!1}}static isPayloadValid(e,t){switch(e){case c.CONNECT:return $(t);case c.DISCONNECT:return t===void 0;case c.CONNECT_ERROR:return typeof t=="string"||$(t);case c.EVENT:case c.BINARY_EVENT:return Array.isArray(t)&&(typeof t[0]=="number"||typeof t[0]=="string"&&Ke.indexOf(t[0])===-1);case c.ACK:case c.BINARY_ACK:return Array.isArray(t)}}destroy(){this.reconstructor&&(this.reconstructor.finishedReconstruction(),this.reconstructor=null)}}class Ye{constructor(e){this.packet=e,this.buffers=[],this.reconPack=e}takeBinaryData(e){if(this.buffers.push(e),this.buffers.length===this.reconPack.attachments){const t=He(this.reconPack,this.buffers);return this.finishedReconstruction(),t}return null}finishedReconstruction(){this.reconPack=null,this.buffers=[]}}const We=Object.freeze(Object.defineProperty({__proto__:null,Decoder:q,Encoder:ze,get PacketType(){return c},protocol:$e},Symbol.toStringTag,{value:"Module"}));function f(i,e,t){return i.on(e,t),function(){i.off(e,t)}}const Qe=Object.freeze({connect:1,connect_error:1,disconnect:1,disconnecting:1,newListener:1,removeListener:1});class oe extends h{constructor(e,t,s){super(),this.connected=!1,this.recovered=!1,this.receiveBuffer=[],this.sendBuffer=[],this._queue=[],this._queueSeq=0,this.ids=0,this.acks={},this.flags={},this.io=e,this.nsp=t,s&&s.auth&&(this.auth=s.auth),this._opts=Object.assign({},s),this.io._autoConnect&&this.open()}get disconnected(){return!this.connected}subEvents(){if(this.subs)return;const e=this.io;this.subs=[f(e,"open",this.onopen.bind(this)),f(e,"packet",this.onpacket.bind(this)),f(e,"error",this.onerror.bind(this)),f(e,"close",this.onclose.bind(this))]}get active(){return!!this.subs}connect(){return this.connected?this:(this.subEvents(),this.io._reconnecting||this.io.open(),this.io._readyState==="open"&&this.onopen(),this)}open(){return this.connect()}send(...e){return e.unshift("message"),this.emit.apply(this,e),this}emit(e,...t){if(Qe.hasOwnProperty(e))throw new Error('"'+e.toString()+'" is a reserved event name');if(t.unshift(e),this._opts.retries&&!this.flags.fromQueue&&!this.flags.volatile)return this._addToQueue(t),this;const s={type:c.EVENT,data:t};if(s.options={},s.options.compress=this.flags.compress!==!1,typeof t[t.length-1]=="function"){const o=this.ids++,a=t.pop();this._registerAckCallback(o,a),s.id=o}const n=this.io.engine&&this.io.engine.transport&&this.io.engine.transport.writable;return this.flags.volatile&&(!n||!this.connected)||(this.connected?(this.notifyOutgoingListeners(s),this.packet(s)):this.sendBuffer.push(s)),this.flags={},this}_registerAckCallback(e,t){var s;const n=(s=this.flags.timeout)!==null&&s!==void 0?s:this._opts.ackTimeout;if(n===void 0){this.acks[e]=t;return}const r=this.io.setTimeoutFn(()=>{delete this.acks[e];for(let o=0;o<this.sendBuffer.length;o++)this.sendBuffer[o].id===e&&this.sendBuffer.splice(o,1);t.call(this,new Error("operation has timed out"))},n);this.acks[e]=(...o)=>{this.io.clearTimeoutFn(r),t.apply(this,[null,...o])}}emitWithAck(e,...t){const s=this.flags.timeout!==void 0||this._opts.ackTimeout!==void 0;return new Promise((n,r)=>{t.push((o,a)=>s?o?r(o):n(a):n(o)),this.emit(e,...t)})}_addToQueue(e){let t;typeof e[e.length-1]=="function"&&(t=e.pop());const s={id:this._queueSeq++,tryCount:0,pending:!1,args:e,flags:Object.assign({fromQueue:!0},this.flags)};e.push((n,...r)=>s!==this._queue[0]?void 0:(n!==null?s.tryCount>this._opts.retries&&(this._queue.shift(),t&&t(n)):(this._queue.shift(),t&&t(null,...r)),s.pending=!1,this._drainQueue())),this._queue.push(s),this._drainQueue()}_drainQueue(e=!1){if(!this.connected||this._queue.length===0)return;const t=this._queue[0];t.pending&&!e||(t.pending=!0,t.tryCount++,this.flags=t.flags,this.emit.apply(this,t.args))}packet(e){e.nsp=this.nsp,this.io._packet(e)}onopen(){typeof this.auth=="function"?this.auth(e=>{this._sendConnectPacket(e)}):this._sendConnectPacket(this.auth)}_sendConnectPacket(e){this.packet({type:c.CONNECT,data:this._pid?Object.assign({pid:this._pid,offset:this._lastOffset},e):e})}onerror(e){this.connected||this.emitReserved("connect_error",e)}onclose(e,t){this.connected=!1,delete this.id,this.emitReserved("disconnect",e,t)}onpacket(e){if(e.nsp===this.nsp)switch(e.type){case c.CONNECT:e.data&&e.data.sid?this.onconnect(e.data.sid,e.data.pid):this.emitReserved("connect_error",new Error("It seems you are trying to reach a Socket.IO server in v2.x with a v3.x client, but they are not compatible (more information here: https://socket.io/docs/v3/migrating-from-2-x-to-3-0/)"));break;case c.EVENT:case c.BINARY_EVENT:this.onevent(e);break;case c.ACK:case c.BINARY_ACK:this.onack(e);break;case c.DISCONNECT:this.ondisconnect();break;case c.CONNECT_ERROR:this.destroy();const s=new Error(e.data.message);s.data=e.data.data,this.emitReserved("connect_error",s);break}}onevent(e){const t=e.data||[];e.id!=null&&t.push(this.ack(e.id)),this.connected?this.emitEvent(t):this.receiveBuffer.push(Object.freeze(t))}emitEvent(e){if(this._anyListeners&&this._anyListeners.length){const t=this._anyListeners.slice();for(const s of t)s.apply(this,e)}super.emit.apply(this,e),this._pid&&e.length&&typeof e[e.length-1]=="string"&&(this._lastOffset=e[e.length-1])}ack(e){const t=this;let s=!1;return function(...n){s||(s=!0,t.packet({type:c.ACK,id:e,data:n}))}}onack(e){const t=this.acks[e.id];typeof t=="function"&&(t.apply(this,e.data),delete this.acks[e.id])}onconnect(e,t){this.id=e,this.recovered=t&&this._pid===t,this._pid=t,this.connected=!0,this.emitBuffered(),this.emitReserved("connect"),this._drainQueue(!0)}emitBuffered(){this.receiveBuffer.forEach(e=>this.emitEvent(e)),this.receiveBuffer=[],this.sendBuffer.forEach(e=>{this.notifyOutgoingListeners(e),this.packet(e)}),this.sendBuffer=[]}ondisconnect(){this.destroy(),this.onclose("io server disconnect")}destroy(){this.subs&&(this.subs.forEach(e=>e()),this.subs=void 0),this.io._destroy(this)}disconnect(){return this.connected&&this.packet({type:c.DISCONNECT}),this.destroy(),this.connected&&this.onclose("io client disconnect"),this}close(){return this.disconnect()}compress(e){return this.flags.compress=e,this}get volatile(){return this.flags.volatile=!0,this}timeout(e){return this.flags.timeout=e,this}onAny(e){return this._anyListeners=this._anyListeners||[],this._anyListeners.push(e),this}prependAny(e){return this._anyListeners=this._anyListeners||[],this._anyListeners.unshift(e),this}offAny(e){if(!this._anyListeners)return this;if(e){const t=this._anyListeners;for(let s=0;s<t.length;s++)if(e===t[s])return t.splice(s,1),this}else this._anyListeners=[];return this}listenersAny(){return this._anyListeners||[]}onAnyOutgoing(e){return this._anyOutgoingListeners=this._anyOutgoingListeners||[],this._anyOutgoingListeners.push(e),this}prependAnyOutgoing(e){return this._anyOutgoingListeners=this._anyOutgoingListeners||[],this._anyOutgoingListeners.unshift(e),this}offAnyOutgoing(e){if(!this._anyOutgoingListeners)return this;if(e){const t=this._anyOutgoingListeners;for(let s=0;s<t.length;s++)if(e===t[s])return t.splice(s,1),this}else this._anyOutgoingListeners=[];return this}listenersAnyOutgoing(){return this._anyOutgoingListeners||[]}notifyOutgoingListeners(e){if(this._anyOutgoingListeners&&this._anyOutgoingListeners.length){const t=this._anyOutgoingListeners.slice();for(const s of t)s.apply(this,e.data)}}}function b(i){i=i||{},this.ms=i.min||100,this.max=i.max||1e4,this.factor=i.factor||2,this.jitter=i.jitter>0&&i.jitter<=1?i.jitter:0,this.attempts=0}b.prototype.duration=function(){var i=this.ms*Math.pow(this.factor,this.attempts++);if(this.jitter){var e=Math.random(),t=Math.floor(e*this.jitter*i);i=Math.floor(e*10)&1?i+t:i-t}return Math.min(i,this.max)|0};b.prototype.reset=function(){this.attempts=0};b.prototype.setMin=function(i){this.ms=i};b.prototype.setMax=function(i){this.max=i};b.prototype.setJitter=function(i){this.jitter=i};class L extends h{constructor(e,t){var s;super(),this.nsps={},this.subs=[],e&&typeof e=="object"&&(t=e,e=void 0),t=t||{},t.path=t.path||"/socket.io",this.opts=t,T(this,t),this.reconnection(t.reconnection!==!1),this.reconnectionAttempts(t.reconnectionAttempts||1/0),this.reconnectionDelay(t.reconnectionDelay||1e3),this.reconnectionDelayMax(t.reconnectionDelayMax||5e3),this.randomizationFactor((s=t.randomizationFactor)!==null&&s!==void 0?s:.5),this.backoff=new b({min:this.reconnectionDelay(),max:this.reconnectionDelayMax(),jitter:this.randomizationFactor()}),this.timeout(t.timeout==null?2e4:t.timeout),this._readyState="closed",this.uri=e;const n=t.parser||We;this.encoder=new n.Encoder,this.decoder=new n.Decoder,this._autoConnect=t.autoConnect!==!1,this._autoConnect&&this.open()}reconnection(e){return arguments.length?(this._reconnection=!!e,this):this._reconnection}reconnectionAttempts(e){return e===void 0?this._reconnectionAttempts:(this._reconnectionAttempts=e,this)}reconnectionDelay(e){var t;return e===void 0?this._reconnectionDelay:(this._reconnectionDelay=e,(t=this.backoff)===null||t===void 0||t.setMin(e),this)}randomizationFactor(e){var t;return e===void 0?this._randomizationFactor:(this._randomizationFactor=e,(t=this.backoff)===null||t===void 0||t.setJitter(e),this)}reconnectionDelayMax(e){var t;return e===void 0?this._reconnectionDelayMax:(this._reconnectionDelayMax=e,(t=this.backoff)===null||t===void 0||t.setMax(e),this)}timeout(e){return arguments.length?(this._timeout=e,this):this._timeout}maybeReconnectOnOpen(){!this._reconnecting&&this._reconnection&&this.backoff.attempts===0&&this.reconnect()}open(e){if(~this._readyState.indexOf("open"))return this;this.engine=new ne(this.uri,this.opts);const t=this.engine,s=this;this._readyState="opening",this.skipReconnect=!1;const n=f(t,"open",function(){s.onopen(),e&&e()}),r=f(t,"error",o=>{s.cleanup(),s._readyState="closed",this.emitReserved("error",o),e?e(o):s.maybeReconnectOnOpen()});if(this._timeout!==!1){const o=this._timeout;o===0&&n();const a=this.setTimeoutFn(()=>{n(),t.close(),t.emit("error",new Error("timeout"))},o);this.opts.autoUnref&&a.unref(),this.subs.push(function(){clearTimeout(a)})}return this.subs.push(n),this.subs.push(r),this}connect(e){return this.open(e)}onopen(){this.cleanup(),this._readyState="open",this.emitReserved("open");const e=this.engine;this.subs.push(f(e,"ping",this.onping.bind(this)),f(e,"data",this.ondata.bind(this)),f(e,"error",this.onerror.bind(this)),f(e,"close",this.onclose.bind(this)),f(this.decoder,"decoded",this.ondecoded.bind(this)))}onping(){this.emitReserved("ping")}ondata(e){try{this.decoder.add(e)}catch(t){this.onclose("parse error",t)}}ondecoded(e){ie(()=>{this.emitReserved("packet",e)},this.setTimeoutFn)}onerror(e){this.emitReserved("error",e)}socket(e,t){let s=this.nsps[e];return s?this._autoConnect&&!s.active&&s.connect():(s=new oe(this,e,t),this.nsps[e]=s),s}_destroy(e){const t=Object.keys(this.nsps);for(const s of t)if(this.nsps[s].active)return;this._close()}_packet(e){const t=this.encoder.encode(e);for(let s=0;s<t.length;s++)this.engine.write(t[s],e.options)}cleanup(){this.subs.forEach(e=>e()),this.subs.length=0,this.decoder.destroy()}_close(){this.skipReconnect=!0,this._reconnecting=!1,this.onclose("forced close"),this.engine&&this.engine.close()}disconnect(){return this._close()}onclose(e,t){this.cleanup(),this.backoff.reset(),this._readyState="closed",this.emitReserved("close",e,t),this._reconnection&&!this.skipReconnect&&this.reconnect()}reconnect(){if(this._reconnecting||this.skipReconnect)return this;const e=this;if(this.backoff.attempts>=this._reconnectionAttempts)this.backoff.reset(),this.emitReserved("reconnect_failed"),this._reconnecting=!1;else{const t=this.backoff.duration();this._reconnecting=!0;const s=this.setTimeoutFn(()=>{e.skipReconnect||(this.emitReserved("reconnect_attempt",e.backoff.attempts),!e.skipReconnect&&e.open(n=>{n?(e._reconnecting=!1,e.reconnect(),this.emitReserved("reconnect_error",n)):e.onreconnect()}))},t);this.opts.autoUnref&&s.unref(),this.subs.push(function(){clearTimeout(s)})}}onreconnect(){const e=this.backoff.attempts;this._reconnecting=!1,this.backoff.reset(),this.emitReserved("reconnect",e)}}const _={};function C(i,e){typeof i=="object"&&(e=i,i=void 0),e=e||{};const t=De(i,e.path||"/socket.io"),s=t.source,n=t.id,r=t.path,o=_[n]&&r in _[n].nsps,a=e.forceNew||e["force new connection"]||e.multiplex===!1||o;let l;return a?l=new L(s,e):(_[n]||(_[n]=new L(s,e)),l=_[n]),t.query&&!e.query&&(e.query=t.queryKey),l.socket(t.path,e)}Object.assign(C,{Manager:L,Socket:oe,io:C,connect:C});export{L as Manager,oe as Socket,C as connect,C as default,C as io,$e as protocol};
|