exports.id=893,exports.ids=[893],exports.modules={58359:()=>{},93739:()=>{},88098:(e,t,s)=>{"use strict";let{EMPTY_BUFFER:r}=s(69030),i=Buffer[Symbol.species];function o(e,t,s,r,i){for(let o=0;o<i;o++)s[r+o]=e[o]^t[3&o]}function n(e,t){for(let s=0;s<e.length;s++)e[s]^=t[3&s]}if(e.exports={concat:function(e,t){if(0===e.length)return r;if(1===e.length)return e[0];let s=Buffer.allocUnsafe(t),o=0;for(let t=0;t<e.length;t++){let r=e[t];s.set(r,o),o+=r.length}return o<t?new i(s.buffer,s.byteOffset,o):s},mask:o,toArrayBuffer:function(e){return e.length===e.buffer.byteLength?e.buffer:e.buffer.slice(e.byteOffset,e.byteOffset+e.length)},toBuffer:function e(t){let s;return(e.readOnly=!0,Buffer.isBuffer(t))?t:(t instanceof ArrayBuffer?s=new i(t):ArrayBuffer.isView(t)?s=new i(t.buffer,t.byteOffset,t.byteLength):(s=Buffer.from(t),e.readOnly=!1),s)},unmask:n},!process.env.WS_NO_BUFFER_UTIL)try{let t=s(58359);e.exports.mask=function(e,s,r,i,n){n<48?o(e,s,r,i,n):t.mask(e,s,r,i,n)},e.exports.unmask=function(e,s){e.length<32?n(e,s):t.unmask(e,s)}}catch(e){}},69030:e=>{"use strict";let t=["nodebuffer","arraybuffer","fragments"],s="undefined"!=typeof Blob;s&&t.push("blob"),e.exports={BINARY_TYPES:t,EMPTY_BUFFER:Buffer.alloc(0),GUID:"258EAFA5-E914-47DA-95CA-C5AB0DC85B11",hasBlob:s,kForOnEventAttribute:Symbol("kIsForOnEventAttribute"),kListener:Symbol("kListener"),kStatusCode:Symbol("status-code"),kWebSocket:Symbol("websocket"),NOOP:()=>{}}},65767:(e,t,s)=>{"use strict";let{kForOnEventAttribute:r,kListener:i}=s(69030),o=Symbol("kCode"),n=Symbol("kData"),a=Symbol("kError"),h=Symbol("kMessage"),l=Symbol("kReason"),c=Symbol("kTarget"),d=Symbol("kType"),f=Symbol("kWasClean");class _{constructor(e){this[c]=null,this[d]=e}get target(){return this[c]}get type(){return 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void 0===t?i(o,u,n):(void 0===s?i(n,u,!0):a?i(n,s,u.replace(/\\/g,"")):i(n,s,u),i(o,t,n)),o}}},80189:e=>{"use strict";let t=Symbol("kDone"),s=Symbol("kRun");class r{constructor(e){this[t]=()=>{this.pending--,this[s]()},this.concurrency=e||1/0,this.jobs=[],this.pending=0}add(e){this.jobs.push(e),this[s]()}[s](){if(this.pending!==this.concurrency&&this.jobs.length){let e=this.jobs.shift();this.pending++,e(this[t])}}}e.exports=r},27767:(e,t,s)=>{"use strict";let r;let i=s(59796),o=s(88098),n=s(80189),{kStatusCode:a}=s(69030),h=Buffer[Symbol.species],l=Buffer.from([0,0,255,255]),c=Symbol("permessage-deflate"),d=Symbol("total-length"),f=Symbol("callback"),_=Symbol("buffers"),u=Symbol("error");class p{constructor(e,t,s){this._maxPayload=0|s,this._options=e||{},this._threshold=void 0!==this._options.threshold?this._options.threshold:1024,this._isServer=!!t,this._deflate=null,this._inflate=null,this.params=null,r||(r=new n(void 0!==this._options.concurrencyLimit?this._options.concurrencyLimit:10))}static get extensionName(){return"permessage-deflate"}offer(){let e={};return this._options.serverNoContextTakeover&&(e.server_no_context_takeover=!0),this._options.clientNoContextTakeover&&(e.client_no_context_takeover=!0),this._options.serverMaxWindowBits&&(e.server_max_window_bits=this._options.serverMaxWindowBits),this._options.clientMaxWindowBits?e.client_max_window_bits=this._options.clientMaxWindowBits:null==this._options.clientMaxWindowBits&&(e.client_max_window_bits=!0),e}accept(e){return e=this.normalizeParams(e),this.params=this._isServer?this.acceptAsServer(e):this.acceptAsClient(e),this.params}cleanup(){if(this._inflate&&(this._inflate.close(),this._inflate=null),this._deflate){let e=this._deflate[f];this._deflate.close(),this._deflate=null,e&&e(Error("The deflate stream was closed while data was being processed"))}}acceptAsServer(e){let t=this._options,s=e.find(e=>(!1!==t.serverNoContextTakeover||!e.server_no_context_takeover)&&(!e.server_max_window_bits||!1!==t.serverMaxWindowBits&&("number"!=typeof t.serverMaxWindowBits||!(t.serverMaxWindowBits>e.server_max_window_bits)))&&("number"!=typeof t.clientMaxWindowBits||!!e.client_max_window_bits));if(!s)throw Error("None of the extension offers can be accepted");return t.serverNoContextTakeover&&(s.server_no_context_takeover=!0),t.clientNoContextTakeover&&(s.client_no_context_takeover=!0),"number"==typeof t.serverMaxWindowBits&&(s.server_max_window_bits=t.serverMaxWindowBits),"number"==typeof t.clientMaxWindowBits?s.client_max_window_bits=t.clientMaxWindowBits:(!0===s.client_max_window_bits||!1===t.clientMaxWindowBits)&&delete s.client_max_window_bits,s}acceptAsClient(e){let t=e[0];if(!1===this._options.clientNoContextTakeover&&t.client_no_context_takeover)throw Error('Unexpected parameter "client_no_context_takeover"');if(t.client_max_window_bits){if(!1===this._options.clientMaxWindowBits||"number"==typeof this._options.clientMaxWindowBits&&t.client_max_window_bits>this._options.clientMaxWindowBits)throw Error('Unexpected or invalid parameter "client_max_window_bits"')}else"number"==typeof this._options.clientMaxWindowBits&&(t.client_max_window_bits=this._options.clientMaxWindowBits);return t}normalizeParams(e){return e.forEach(e=>{Object.keys(e).forEach(t=>{let s=e[t];if(s.length>1)throw Error(`Parameter "${t}" must have only a single value`);if(s=s[0],"client_max_window_bits"===t){if(!0!==s){let e=+s;if(!Number.isInteger(e)||e<8||e>15)throw TypeError(`Invalid value for parameter "${t}": ${s}`);s=e}else if(!this._isServer)throw TypeError(`Invalid value for parameter "${t}": ${s}`)}else if("server_max_window_bits"===t){let e=+s;if(!Number.isInteger(e)||e<8||e>15)throw TypeError(`Invalid value for parameter "${t}": ${s}`);s=e}else if("client_no_context_takeover"===t||"server_no_context_takeover"===t){if(!0!==s)throw TypeError(`Invalid value for parameter "${t}": ${s}`)}else throw Error(`Unknown parameter "${t}"`);e[t]=s})}),e}decompress(e,t,s){r.add(r=>{this._decompress(e,t,(e,t)=>{r(),s(e,t)})})}compress(e,t,s){r.add(r=>{this._compress(e,t,(e,t)=>{r(),s(e,t)})})}_decompress(e,t,s){let r=this._isServer?"client":"server";if(!this._inflate){let e=`${r}_max_window_bits`,t="number"!=typeof this.params[e]?i.Z_DEFAULT_WINDOWBITS:this.params[e];this._inflate=i.createInflateRaw({...this._options.zlibInflateOptions,windowBits:t}),this._inflate[c]=this,this._inflate[d]=0,this._inflate[_]=[],this._inflate.on("error",g),this._inflate.on("data",y)}this._inflate[f]=s,this._inflate.write(e),t&&this._inflate.write(l),this._inflate.flush(()=>{let e=this._inflate[u];if(e){this._inflate.close(),this._inflate=null,s(e);return}let i=o.concat(this._inflate[_],this._inflate[d]);this._inflate._readableState.endEmitted?(this._inflate.close(),this._inflate=null):(this._inflate[d]=0,this._inflate[_]=[],t&&this.params[`${r}_no_context_takeover`]&&this._inflate.reset()),s(null,i)})}_compress(e,t,s){let r=this._isServer?"server":"client";if(!this._deflate){let e=`${r}_max_window_bits`,t="number"!=typeof this.params[e]?i.Z_DEFAULT_WINDOWBITS:this.params[e];this._deflate=i.createDeflateRaw({...this._options.zlibDeflateOptions,windowBits:t}),this._deflate[d]=0,this._deflate[_]=[],this._deflate.on("data",m)}this._deflate[f]=s,this._deflate.write(e),this._deflate.flush(i.Z_SYNC_FLUSH,()=>{if(!this._deflate)return;let e=o.concat(this._deflate[_],this._deflate[d]);t&&(e=new h(e.buffer,e.byteOffset,e.length-4)),this._deflate[f]=null,this._deflate[d]=0,this._deflate[_]=[],t&&this.params[`${r}_no_context_takeover`]&&this._deflate.reset(),s(null,e)})}}function m(e){this[_].push(e),this[d]+=e.length}function y(e){if(this[d]+=e.length,this[c]._maxPayload<1||this[d]<=this[c]._maxPayload){this[_].push(e);return}this[u]=RangeError("Max payload size exceeded"),this[u].code="WS_ERR_UNSUPPORTED_MESSAGE_LENGTH",this[u][a]=1009,this.removeListener("data",y),this.reset()}function g(e){this[c]._inflate=null,e[a]=1007,this[f](e)}e.exports=p},90263:(e,t,s)=>{"use strict";let{Writable:r}=s(12781),i=s(27767),{BINARY_TYPES:o,EMPTY_BUFFER:n,kStatusCode:a,kWebSocket:h}=s(69030),{concat:l,toArrayBuffer:c,unmask:d}=s(88098),{isValidStatusCode:f,isValidUTF8:_}=s(71187),u=Buffer[Symbol.species];class p extends r{constructor(e={}){super(),this._allowSynchronousEvents=void 0===e.allowSynchronousEvents||e.allowSynchronousEvents,this._binaryType=e.binaryType||o[0],this._extensions=e.extensions||{},this._isServer=!!e.isServer,this._maxPayload=0|e.maxPayload,this._skipUTF8Validation=!!e.skipUTF8Validation,this[h]=void 0,this._bufferedBytes=0,this._buffers=[],this._compressed=!1,this._payloadLength=0,this._mask=void 0,this._fragmented=0,this._masked=!1,this._fin=!1,this._opcode=0,this._totalPayloadLength=0,this._messageLength=0,this._fragments=[],this._errored=!1,this._loop=!1,this._state=0}_write(e,t,s){if(8===this._opcode&&0==this._state)return s();this._bufferedBytes+=e.length,this._buffers.push(e),this.startLoop(s)}consume(e){if(this._bufferedBytes-=e,e===this._buffers[0].length)return this._buffers.shift();if(e<this._buffers[0].length){let t=this._buffers[0];return this._buffers[0]=new u(t.buffer,t.byteOffset+e,t.length-e),new u(t.buffer,t.byteOffset,e)}let t=Buffer.allocUnsafe(e);do{let s=this._buffers[0],r=t.length-e;e>=s.length?t.set(this._buffers.shift(),r):(t.set(new Uint8Array(s.buffer,s.byteOffset,e),r),this._buffers[0]=new u(s.buffer,s.byteOffset+e,s.length-e)),e-=s.length}while(e>0);return t}startLoop(e){this._loop=!0;do switch(this._state){case 0:this.getInfo(e);break;case 1:this.getPayloadLength16(e);break;case 2:this.getPayloadLength64(e);break;case 3:this.getMask();break;case 4:this.getData(e);break;case 5:case 6:this._loop=!1;return}while(this._loop);this._errored||e()}getInfo(e){if(this._bufferedBytes<2){this._loop=!1;return}let t=this.consume(2);if((48&t[0])!=0){e(this.createError(RangeError,"RSV2 and RSV3 must be clear",!0,1002,"WS_ERR_UNEXPECTED_RSV_2_3"));return}let s=(64&t[0])==64;if(s&&!this._extensions[i.extensionName]){e(this.createError(RangeError,"RSV1 must be clear",!0,1002,"WS_ERR_UNEXPECTED_RSV_1"));return}if(this._fin=(128&t[0])==128,this._opcode=15&t[0],this._payloadLength=127&t[1],0===this._opcode){if(s){e(this.createError(RangeError,"RSV1 must be clear",!0,1002,"WS_ERR_UNEXPECTED_RSV_1"));return}if(!this._fragmented){e(this.createError(RangeError,"invalid opcode 0",!0,1002,"WS_ERR_INVALID_OPCODE"));return}this._opcode=this._fragmented}else if(1===this._opcode||2===this._opcode){if(this._fragmented){e(this.createError(RangeError,`invalid opcode ${this._opcode}`,!0,1002,"WS_ERR_INVALID_OPCODE"));return}this._compressed=s}else if(this._opcode>7&&this._opcode<11){if(!this._fin){e(this.createError(RangeError,"FIN must be set",!0,1002,"WS_ERR_EXPECTED_FIN"));return}if(s){e(this.createError(RangeError,"RSV1 must be clear",!0,1002,"WS_ERR_UNEXPECTED_RSV_1"));return}if(this._payloadLength>125||8===this._opcode&&1===this._payloadLength){e(this.createError(RangeError,`invalid payload length ${this._payloadLength}`,!0,1002,"WS_ERR_INVALID_CONTROL_PAYLOAD_LENGTH"));return}}else{e(this.createError(RangeError,`invalid opcode ${this._opcode}`,!0,1002,"WS_ERR_INVALID_OPCODE"));return}if(this._fin||this._fragmented||(this._fragmented=this._opcode),this._masked=(128&t[1])==128,this._isServer){if(!this._masked){e(this.createError(RangeError,"MASK must be set",!0,1002,"WS_ERR_EXPECTED_MASK"));return}}else if(this._masked){e(this.createError(RangeError,"MASK must be clear",!0,1002,"WS_ERR_UNEXPECTED_MASK"));return}126===this._payloadLength?this._state=1:127===this._payloadLength?this._state=2:this.haveLength(e)}getPayloadLength16(e){if(this._bufferedBytes<2){this._loop=!1;return}this._payloadLength=this.consume(2).readUInt16BE(0),this.haveLength(e)}getPayloadLength64(e){if(this._bufferedBytes<8){this._loop=!1;return}let t=this.consume(8),s=t.readUInt32BE(0);if(s>2097151){e(this.createError(RangeError,"Unsupported WebSocket frame: payload length > 2^53 - 1",!1,1009,"WS_ERR_UNSUPPORTED_DATA_PAYLOAD_LENGTH"));return}this._payloadLength=4294967296*s+t.readUInt32BE(4),this.haveLength(e)}haveLength(e){if(this._payloadLength&&this._opcode<8&&(this._totalPayloadLength+=this._payloadLength,this._totalPayloadLength>this._maxPayload&&this._maxPayload>0)){e(this.createError(RangeError,"Max payload size exceeded",!1,1009,"WS_ERR_UNSUPPORTED_MESSAGE_LENGTH"));return}this._masked?this._state=3:this._state=4}getMask(){if(this._bufferedBytes<4){this._loop=!1;return}this._mask=this.consume(4),this._state=4}getData(e){let t=n;if(this._payloadLength){if(this._bufferedBytes<this._payloadLength){this._loop=!1;return}t=this.consume(this._payloadLength),this._masked&&(this._mask[0]|this._mask[1]|this._mask[2]|this._mask[3])!=0&&d(t,this._mask)}if(this._opcode>7){this.controlMessage(t,e);return}if(this._compressed){this._state=5,this.decompress(t,e);return}t.length&&(this._messageLength=this._totalPayloadLength,this._fragments.push(t)),this.dataMessage(e)}decompress(e,t){this._extensions[i.extensionName].decompress(e,this._fin,(e,s)=>{if(e)return t(e);if(s.length){if(this._messageLength+=s.length,this._messageLength>this._maxPayload&&this._maxPayload>0){t(this.createError(RangeError,"Max payload size exceeded",!1,1009,"WS_ERR_UNSUPPORTED_MESSAGE_LENGTH"));return}this._fragments.push(s)}this.dataMessage(t),0===this._state&&this.startLoop(t)})}dataMessage(e){if(!this._fin){this._state=0;return}let t=this._messageLength,s=this._fragments;if(this._totalPayloadLength=0,this._messageLength=0,this._fragmented=0,this._fragments=[],2===this._opcode){let r;r="nodebuffer"===this._binaryType?l(s,t):"arraybuffer"===this._binaryType?c(l(s,t)):"blob"===this._binaryType?new Blob(s):s,this._allowSynchronousEvents?(this.emit("message",r,!0),this._state=0):(this._state=6,setImmediate(()=>{this.emit("message",r,!0),this._state=0,this.startLoop(e)}))}else{let r=l(s,t);if(!this._skipUTF8Validation&&!_(r)){e(this.createError(Error,"invalid UTF-8 sequence",!0,1007,"WS_ERR_INVALID_UTF8"));return}5===this._state||this._allowSynchronousEvents?(this.emit("message",r,!1),this._state=0):(this._state=6,setImmediate(()=>{this.emit("message",r,!1),this._state=0,this.startLoop(e)}))}}controlMessage(e,t){if(8===this._opcode){if(0===e.length)this._loop=!1,this.emit("conclude",1005,n),this.end();else{let s=e.readUInt16BE(0);if(!f(s)){t(this.createError(RangeError,`invalid status code ${s}`,!0,1002,"WS_ERR_INVALID_CLOSE_CODE"));return}let r=new u(e.buffer,e.byteOffset+2,e.length-2);if(!this._skipUTF8Validation&&!_(r)){t(this.createError(Error,"invalid UTF-8 sequence",!0,1007,"WS_ERR_INVALID_UTF8"));return}this._loop=!1,this.emit("conclude",s,r),this.end()}this._state=0;return}this._allowSynchronousEvents?(this.emit(9===this._opcode?"ping":"pong",e),this._state=0):(this._state=6,setImmediate(()=>{this.emit(9===this._opcode?"ping":"pong",e),this._state=0,this.startLoop(t)}))}createError(e,t,s,r,i){this._loop=!1,this._errored=!0;let o=new e(s?`Invalid WebSocket frame: ${t}`:t);return Error.captureStackTrace(o,this.createError),o.code=i,o[a]=r,o}}e.exports=p},22404:(e,t,s)=>{"use strict";let r;let{Duplex:i}=s(12781),{randomFillSync:o}=s(6113),n=s(27767),{EMPTY_BUFFER:a,kWebSocket:h,NOOP:l}=s(69030),{isBlob:c,isValidStatusCode:d}=s(71187),{mask:f,toBuffer:_}=s(88098),u=Symbol("kByteLength"),p=Buffer.alloc(4),m=8192;class y{constructor(e,t,s){this._extensions=t||{},s&&(this._generateMask=s,this._maskBuffer=Buffer.alloc(4)),this._socket=e,this._firstFragment=!0,this._compress=!1,this._bufferedBytes=0,this._queue=[],this._state=0,this.onerror=l,this[h]=void 0}static frame(e,t){let s,i;let n=!1,a=2,h=!1;t.mask&&(s=t.maskBuffer||p,t.generateMask?t.generateMask(s):(8192===m&&(void 0===r&&(r=Buffer.alloc(8192)),o(r,0,8192),m=0),s[0]=r[m++],s[1]=r[m++],s[2]=r[m++],s[3]=r[m++]),h=(s[0]|s[1]|s[2]|s[3])==0,a=6),"string"==typeof e?i=(!t.mask||h)&&void 0!==t[u]?t[u]:(e=Buffer.from(e)).length:(i=e.length,n=t.mask&&t.readOnly&&!h);let l=i;i>=65536?(a+=8,l=127):i>125&&(a+=2,l=126);let c=Buffer.allocUnsafe(n?i+a:a);return(c[0]=t.fin?128|t.opcode:t.opcode,t.rsv1&&(c[0]|=64),c[1]=l,126===l?c.writeUInt16BE(i,2):127===l&&(c[2]=c[3]=0,c.writeUIntBE(i,4,6)),t.mask)?(c[1]|=128,c[a-4]=s[0],c[a-3]=s[1],c[a-2]=s[2],c[a-1]=s[3],h)?[c,e]:n?(f(e,s,c,a,i),[c]):(f(e,s,e,0,i),[c,e]):[c,e]}close(e,t,s,r){let i;if(void 0===e)i=a;else if("number"==typeof e&&d(e)){if(void 0!==t&&t.length){let s=Buffer.byteLength(t);if(s>123)throw RangeError("The message must not be greater than 123 bytes");(i=Buffer.allocUnsafe(2+s)).writeUInt16BE(e,0),"string"==typeof t?i.write(t,2):i.set(t,2)}else(i=Buffer.allocUnsafe(2)).writeUInt16BE(e,0)}else throw TypeError("First argument must be a valid error code number");let o={[u]:i.length,fin:!0,generateMask:this._generateMask,mask:s,maskBuffer:this._maskBuffer,opcode:8,readOnly:!1,rsv1:!1};0!==this._state?this.enqueue([this.dispatch,i,!1,o,r]):this.sendFrame(y.frame(i,o),r)}ping(e,t,s){let r,i;if("string"==typeof e?(r=Buffer.byteLength(e),i=!1):c(e)?(r=e.size,i=!1):(r=(e=_(e)).length,i=_.readOnly),r>125)throw RangeError("The data size must not be greater than 125 bytes");let o={[u]:r,fin:!0,generateMask:this._generateMask,mask:t,maskBuffer:this._maskBuffer,opcode:9,readOnly:i,rsv1:!1};c(e)?0!==this._state?this.enqueue([this.getBlobData,e,!1,o,s]):this.getBlobData(e,!1,o,s):0!==this._state?this.enqueue([this.dispatch,e,!1,o,s]):this.sendFrame(y.frame(e,o),s)}pong(e,t,s){let r,i;if("string"==typeof e?(r=Buffer.byteLength(e),i=!1):c(e)?(r=e.size,i=!1):(r=(e=_(e)).length,i=_.readOnly),r>125)throw RangeError("The data size must not be greater than 125 bytes");let o={[u]:r,fin:!0,generateMask:this._generateMask,mask:t,maskBuffer:this._maskBuffer,opcode:10,readOnly:i,rsv1:!1};c(e)?0!==this._state?this.enqueue([this.getBlobData,e,!1,o,s]):this.getBlobData(e,!1,o,s):0!==this._state?this.enqueue([this.dispatch,e,!1,o,s]):this.sendFrame(y.frame(e,o),s)}send(e,t,s){let r,i;let o=this._extensions[n.extensionName],a=t.binary?2:1,h=t.compress;"string"==typeof e?(r=Buffer.byteLength(e),i=!1):c(e)?(r=e.size,i=!1):(r=(e=_(e)).length,i=_.readOnly),this._firstFragment?(this._firstFragment=!1,h&&o&&o.params[o._isServer?"server_no_context_takeover":"client_no_context_takeover"]&&(h=r>=o._threshold),this._compress=h):(h=!1,a=0),t.fin&&(this._firstFragment=!0);let l={[u]:r,fin:t.fin,generateMask:this._generateMask,mask:t.mask,maskBuffer:this._maskBuffer,opcode:a,readOnly:i,rsv1:h};c(e)?0!==this._state?this.enqueue([this.getBlobData,e,this._compress,l,s]):this.getBlobData(e,this._compress,l,s):0!==this._state?this.enqueue([this.dispatch,e,this._compress,l,s]):this.dispatch(e,this._compress,l,s)}getBlobData(e,t,s,r){this._bufferedBytes+=s[u],this._state=2,e.arrayBuffer().then(e=>{if(this._socket.destroyed){let e=Error("The socket was closed while the blob was being read");process.nextTick(g,this,e,r);return}this._bufferedBytes-=s[u];let i=_(e);t?this.dispatch(i,t,s,r):(this._state=0,this.sendFrame(y.frame(i,s),r),this.dequeue())}).catch(e=>{process.nextTick(b,this,e,r)})}dispatch(e,t,s,r){if(!t){this.sendFrame(y.frame(e,s),r);return}let i=this._extensions[n.extensionName];this._bufferedBytes+=s[u],this._state=1,i.compress(e,s.fin,(e,t)=>{if(this._socket.destroyed){g(this,Error("The socket was closed while data was being compressed"),r);return}this._bufferedBytes-=s[u],this._state=0,s.readOnly=!1,this.sendFrame(y.frame(t,s),r),this.dequeue()})}dequeue(){for(;0===this._state&&this._queue.length;){let e=this._queue.shift();this._bufferedBytes-=e[3][u],Reflect.apply(e[0],this,e.slice(1))}}enqueue(e){this._bufferedBytes+=e[3][u],this._queue.push(e)}sendFrame(e,t){2===e.length?(this._socket.cork(),this._socket.write(e[0]),this._socket.write(e[1],t),this._socket.uncork()):this._socket.write(e[0],t)}}function g(e,t,s){"function"==typeof s&&s(t);for(let s=0;s<e._queue.length;s++){let 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f=e.headers["sec-websocket-extensions"],u={};if(this.options.perMessageDeflate&&void 0!==f){let s=new h(this.options.perMessageDeflate,!0,this.options.maxPayload);try{let e=a.parse(f);e[h.extensionName]&&(s.accept(e[h.extensionName]),u[h.extensionName]=s)}catch(s){g(this,e,t,400,"Invalid or unacceptable Sec-WebSocket-Extensions header");return}}if(this.options.verifyClient){let o={origin:e.headers[`${8===n?"sec-websocket-origin":"origin"}`],secure:!!(e.socket.authorized||e.socket.encrypted),req:e};if(2===this.options.verifyClient.length){this.options.verifyClient(o,(o,n,a,h)=>{if(!o)return y(t,n||401,a,h);this.completeUpgrade(u,i,d,e,t,s,r)});return}if(!this.options.verifyClient(o))return y(t,401)}this.completeUpgrade(u,i,d,e,t,s,r)}completeUpgrade(e,t,s,r,i,o,l){if(!i.readable||!i.writable)return i.destroy();if(i[f])throw Error("server.handleUpgrade() was called more than once with the same socket, possibly due to a misconfiguration");if(this._state>0)return y(i,503);let c=n("sha1").update(t+d).digest("base64"),_=["HTTP/1.1 101 Switching Protocols","Upgrade: websocket","Connection: Upgrade",`Sec-WebSocket-Accept: ${c}`],u=new this.options.WebSocket(null,void 0,this.options);if(s.size){let e=this.options.handleProtocols?this.options.handleProtocols(s,r):s.values().next().value;e&&(_.push(`Sec-WebSocket-Protocol: ${e}`),u._protocol=e)}if(e[h.extensionName]){let t=e[h.extensionName].params,s=a.format({[h.extensionName]:[t]});_.push(`Sec-WebSocket-Extensions: ${s}`),u._extensions=e}this.emit("headers",_,r),i.write(_.concat("\r\n").join("\r\n")),i.removeListener("error",m),u.setSocket(i,o,{allowSynchronousEvents:this.options.allowSynchronousEvents,maxPayload:this.options.maxPayload,skipUTF8Validation:this.options.skipUTF8Validation}),this.clients&&(this.clients.add(u),u.on("close",()=>{this.clients.delete(u),this._shouldEmitClose&&!this.clients.size&&process.nextTick(p,this)})),l(u,r)}}function p(e){e._state=2,e.emit("close")}function m(){this.destroy()}function y(e,t,s,r){s=s||i.STATUS_CODES[t],r={Connection:"close","Content-Type":"text/html","Content-Length":Buffer.byteLength(s),...r},e.once("finish",e.destroy),e.end(`HTTP/1.1 ${t} ${i.STATUS_CODES[t]}\r
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