import S from "./__vite-browser-external-2447137e.js"; function z(s) { return s && s.__esModule && Object.prototype.hasOwnProperty.call(s, "default") ? s.default : s; } function gt(s) { if (s.__esModule) return s; var e = s.default; if (typeof e == "function") { var t = function r() { if (this instanceof r) { var i = [null]; i.push.apply(i, arguments); var n = Function.bind.apply(e, i); return new n(); } return e.apply(this, arguments); }; t.prototype = e.prototype; } else t = {}; return Object.defineProperty(t, "__esModule", { value: !0 }), Object.keys(s).forEach(function(r) { var i = Object.getOwnPropertyDescriptor(s, r); Object.defineProperty(t, r, i.get ? i : { enumerable: !0, get: function() { return s[r]; } }); }), t; } const { Duplex: yt } = S; function Oe(s) { s.emit("close"); } function vt() { !this.destroyed && this._writableState.finished && this.destroy(); } function Qe(s) { this.removeListener("error", Qe), this.destroy(), this.listenerCount("error") === 0 && this.emit("error", s); } function St(s, e) { let t = !0; const r = new yt({ ...e, autoDestroy: !1, emitClose: !1, objectMode: !1, writableObjectMode: !1 }); return s.on("message", function(n, o) { const l = !o && r._readableState.objectMode ? n.toString() : n; r.push(l) || s.pause(); }), s.once("error", function(n) { r.destroyed || (t = !1, r.destroy(n)); }), s.once("close", function() { r.destroyed || r.push(null); }), r._destroy = function(i, n) { if (s.readyState === s.CLOSED) { n(i), process.nextTick(Oe, r); return; } let o = !1; s.once("error", function(f) { o = !0, n(f); }), s.once("close", function() { o || n(i), process.nextTick(Oe, r); }), t && s.terminate(); }, r._final = function(i) { if (s.readyState === s.CONNECTING) { s.once("open", function() { r._final(i); }); return; } s._socket !== null && (s._socket._writableState.finished ? (i(), r._readableState.endEmitted && r.destroy()) : (s._socket.once("finish", function() { i(); }), s.close())); }, r._read = function() { s.isPaused && s.resume(); }, r._write = function(i, n, o) { if (s.readyState === s.CONNECTING) { s.once("open", function() { r._write(i, n, o); }); return; } s.send(i, o); }, r.on("end", vt), r.on("error", Qe), r; } var Et = St; const Vs = /* @__PURE__ */ z(Et); var te = { exports: {} }, U = { BINARY_TYPES: ["nodebuffer", "arraybuffer", "fragments"], EMPTY_BUFFER: Buffer.alloc(0), GUID: "258EAFA5-E914-47DA-95CA-C5AB0DC85B11", kForOnEventAttribute: Symbol("kIsForOnEventAttribute"), kListener: Symbol("kListener"), kStatusCode: Symbol("status-code"), kWebSocket: Symbol("websocket"), NOOP: () => { } }, bt, xt; const { EMPTY_BUFFER: kt } = U, Se = Buffer[Symbol.species]; function wt(s, e) { if (s.length === 0) return kt; if (s.length === 1) return s[0]; const t = Buffer.allocUnsafe(e); let r = 0; for (let i = 0; i < s.length; i++) { const n = s[i]; t.set(n, r), r += n.length; } return r < e ? new Se(t.buffer, t.byteOffset, r) : t; } function Je(s, e, t, r, i) { for (let n = 0; n < i; n++) t[r + n] = s[n] ^ e[n & 3]; } function et(s, e) { for (let t = 0; t < s.length; t++) s[t] ^= e[t & 3]; } function Ot(s) { return s.length === s.buffer.byteLength ? s.buffer : s.buffer.slice(s.byteOffset, s.byteOffset + s.length); } function Ee(s) { if (Ee.readOnly = !0, Buffer.isBuffer(s)) return s; let e; return s instanceof ArrayBuffer ? e = new Se(s) : ArrayBuffer.isView(s) ? e = new Se(s.buffer, s.byteOffset, s.byteLength) : (e = Buffer.from(s), Ee.readOnly = !1), e; } te.exports = { concat: wt, mask: Je, toArrayBuffer: Ot, toBuffer: Ee, unmask: et }; if (!process.env.WS_NO_BUFFER_UTIL) try { const s = require("bufferutil"); xt = te.exports.mask = function(e, t, r, i, n) { n < 48 ? Je(e, t, r, i, n) : s.mask(e, t, r, i, n); }, bt = te.exports.unmask = function(e, t) { e.length < 32 ? et(e, t) : s.unmask(e, t); }; } catch { } var ne = te.exports; const Ce = Symbol("kDone"), ue = Symbol("kRun"); let Ct = class { /** * Creates a new `Limiter`. * * @param {Number} [concurrency=Infinity] The maximum number of jobs allowed * to run concurrently */ constructor(e) { this[Ce] = () => { this.pending--, this[ue](); }, this.concurrency = e || 1 / 0, this.jobs = [], this.pending = 0; } /** * Adds a job to the queue. * * @param {Function} job The job to run * @public */ add(e) { this.jobs.push(e), this[ue](); } /** * Removes a job from the queue and runs it if possible. * * @private */ [ue]() { if (this.pending !== this.concurrency && this.jobs.length) { const e = this.jobs.shift(); this.pending++, e(this[Ce]); } } }; var Tt = Ct; const W = S, Te = ne, Lt = Tt, { kStatusCode: tt } = U, Nt = Buffer[Symbol.species], Pt = Buffer.from([0, 0, 255, 255]), se = Symbol("permessage-deflate"), w = Symbol("total-length"), V = Symbol("callback"), C = Symbol("buffers"), J = Symbol("error"); let K, Rt = class { /** * Creates a PerMessageDeflate instance. * * @param {Object} [options] Configuration options * @param {(Boolean|Number)} [options.clientMaxWindowBits] Advertise support * for, or request, a custom client window size * @param {Boolean} [options.clientNoContextTakeover=false] Advertise/ * acknowledge disabling of client context takeover * @param {Number} [options.concurrencyLimit=10] The number of concurrent * calls to zlib * @param {(Boolean|Number)} [options.serverMaxWindowBits] Request/confirm the * use of a custom server window size * @param {Boolean} [options.serverNoContextTakeover=false] Request/accept * disabling of server context takeover * @param {Number} [options.threshold=1024] Size (in bytes) below which * messages should not be compressed if context takeover is disabled * @param {Object} [options.zlibDeflateOptions] Options to pass to zlib on * deflate * @param {Object} [options.zlibInflateOptions] Options to pass to zlib on * inflate * @param {Boolean} [isServer=false] Create the instance in either server or * client mode * @param {Number} [maxPayload=0] The maximum allowed message length */ constructor(e, t, r) { if (this._maxPayload = r | 0, this._options = e || {}, this._threshold = this._options.threshold !== void 0 ? this._options.threshold : 1024, this._isServer = !!t, this._deflate = null, this._inflate = null, this.params = null, !K) { const i = this._options.concurrencyLimit !== void 0 ? this._options.concurrencyLimit : 10; K = new Lt(i); } } /** * @type {String} */ static get extensionName() { return "permessage-deflate"; } /** * Create an extension negotiation offer. * * @return {Object} Extension parameters * @public */ offer() { const 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 : this._options.clientMaxWindowBits == null && (e.client_max_window_bits = !0), e; } /** * Accept an extension negotiation offer/response. * * @param {Array} configurations The extension negotiation offers/reponse * @return {Object} Accepted configuration * @public */ accept(e) { return e = this.normalizeParams(e), this.params = this._isServer ? this.acceptAsServer(e) : this.acceptAsClient(e), this.params; } /** * Releases all resources used by the extension. * * @public */ cleanup() { if (this._inflate && (this._inflate.close(), this._inflate = null), this._deflate) { const e = this._deflate[V]; this._deflate.close(), this._deflate = null, e && e( new Error( "The deflate stream was closed while data was being processed" ) ); } } /** * Accept an extension negotiation offer. * * @param {Array} offers The extension negotiation offers * @return {Object} Accepted configuration * @private */ acceptAsServer(e) { const t = this._options, r = e.find((i) => !(t.serverNoContextTakeover === !1 && i.server_no_context_takeover || i.server_max_window_bits && (t.serverMaxWindowBits === !1 || typeof t.serverMaxWindowBits == "number" && t.serverMaxWindowBits > i.server_max_window_bits) || typeof t.clientMaxWindowBits == "number" && !i.client_max_window_bits)); if (!r) throw new Error("None of the extension offers can be accepted"); return t.serverNoContextTakeover && (r.server_no_context_takeover = !0), t.clientNoContextTakeover && (r.client_no_context_takeover = !0), typeof t.serverMaxWindowBits == "number" && (r.server_max_window_bits = t.serverMaxWindowBits), typeof t.clientMaxWindowBits == "number" ? r.client_max_window_bits = t.clientMaxWindowBits : (r.client_max_window_bits === !0 || t.clientMaxWindowBits === !1) && delete r.client_max_window_bits, r; } /** * Accept the extension negotiation response. * * @param {Array} response The extension negotiation response * @return {Object} Accepted configuration * @private */ acceptAsClient(e) { const t = e[0]; if (this._options.clientNoContextTakeover === !1 && t.client_no_context_takeover) throw new Error('Unexpected parameter "client_no_context_takeover"'); if (!t.client_max_window_bits) typeof this._options.clientMaxWindowBits == "number" && (t.client_max_window_bits = this._options.clientMaxWindowBits); else if (this._options.clientMaxWindowBits === !1 || typeof this._options.clientMaxWindowBits == "number" && t.client_max_window_bits > this._options.clientMaxWindowBits) throw new Error( 'Unexpected or invalid parameter "client_max_window_bits"' ); return t; } /** * Normalize parameters. * * @param {Array} configurations The extension negotiation offers/reponse * @return {Array} The offers/response with normalized parameters * @private */ normalizeParams(e) { return e.forEach((t) => { Object.keys(t).forEach((r) => { let i = t[r]; if (i.length > 1) throw new Error(`Parameter "${r}" must have only a single value`); if (i = i[0], r === "client_max_window_bits") { if (i !== !0) { const n = +i; if (!Number.isInteger(n) || n < 8 || n > 15) throw new TypeError( `Invalid value for parameter "${r}": ${i}` ); i = n; } else if (!this._isServer) throw new TypeError( `Invalid value for parameter "${r}": ${i}` ); } else if (r === "server_max_window_bits") { const n = +i; if (!Number.isInteger(n) || n < 8 || n > 15) throw new TypeError( `Invalid value for parameter "${r}": ${i}` ); i = n; } else if (r === "client_no_context_takeover" || r === "server_no_context_takeover") { if (i !== !0) throw new TypeError( `Invalid value for parameter "${r}": ${i}` ); } else throw new Error(`Unknown parameter "${r}"`); t[r] = i; }); }), e; } /** * Decompress data. Concurrency limited. * * @param {Buffer} data Compressed data * @param {Boolean} fin Specifies whether or not this is the last fragment * @param {Function} callback Callback * @public */ decompress(e, t, r) { K.add((i) => { this._decompress(e, t, (n, o) => { i(), r(n, o); }); }); } /** * Compress data. Concurrency limited. * * @param {(Buffer|String)} data Data to compress * @param {Boolean} fin Specifies whether or not this is the last fragment * @param {Function} callback Callback * @public */ compress(e, t, r) { K.add((i) => { this._compress(e, t, (n, o) => { i(), r(n, o); }); }); } /** * Decompress data. * * @param {Buffer} data Compressed data * @param {Boolean} fin Specifies whether or not this is the last fragment * @param {Function} callback Callback * @private */ _decompress(e, t, r) { const i = this._isServer ? "client" : "server"; if (!this._inflate) { const n = `${i}_max_window_bits`, o = typeof this.params[n] != "number" ? W.Z_DEFAULT_WINDOWBITS : this.params[n]; this._inflate = W.createInflateRaw({ ...this._options.zlibInflateOptions, windowBits: o }), this._inflate[se] = this, this._inflate[w] = 0, this._inflate[C] = [], this._inflate.on("error", Bt), this._inflate.on("data", st); } this._inflate[V] = r, this._inflate.write(e), t && this._inflate.write(Pt), this._inflate.flush(() => { const n = this._inflate[J]; if (n) { this._inflate.close(), this._inflate = null, r(n); return; } const o = Te.concat( this._inflate[C], this._inflate[w] ); this._inflate._readableState.endEmitted ? (this._inflate.close(), this._inflate = null) : (this._inflate[w] = 0, this._inflate[C] = [], t && this.params[`${i}_no_context_takeover`] && this._inflate.reset()), r(null, o); }); } /** * Compress data. * * @param {(Buffer|String)} data Data to compress * @param {Boolean} fin Specifies whether or not this is the last fragment * @param {Function} callback Callback * @private */ _compress(e, t, r) { const i = this._isServer ? "server" : "client"; if (!this._deflate) { const n = `${i}_max_window_bits`, o = typeof this.params[n] != "number" ? W.Z_DEFAULT_WINDOWBITS : this.params[n]; this._deflate = W.createDeflateRaw({ ...this._options.zlibDeflateOptions, windowBits: o }), this._deflate[w] = 0, this._deflate[C] = [], this._deflate.on("data", Ut); } this._deflate[V] = r, this._deflate.write(e), this._deflate.flush(W.Z_SYNC_FLUSH, () => { if (!this._deflate) return; let n = Te.concat( this._deflate[C], this._deflate[w] ); t && (n = new Nt(n.buffer, n.byteOffset, n.length - 4)), this._deflate[V] = null, this._deflate[w] = 0, this._deflate[C] = [], t && this.params[`${i}_no_context_takeover`] && this._deflate.reset(), r(null, n); }); } }; var oe = Rt; function Ut(s) { this[C].push(s), this[w] += s.length; } function st(s) { if (this[w] += s.length, this[se]._maxPayload < 1 || this[w] <= this[se]._maxPayload) { this[C].push(s); return; } this[J] = new RangeError("Max payload size exceeded"), this[J].code = "WS_ERR_UNSUPPORTED_MESSAGE_LENGTH", this[J][tt] = 1009, this.removeListener("data", st), this.reset(); } function Bt(s) { this[se]._inflate = null, s[tt] = 1007, this[V](s); } var re = { exports: {} }; const $t = {}, Mt = /* @__PURE__ */ Object.freeze(/* @__PURE__ */ Object.defineProperty({ __proto__: null, default: $t }, Symbol.toStringTag, { value: "Module" })), It = /* @__PURE__ */ gt(Mt); var Le; const { isUtf8: Ne } = S, Dt = [ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 0 - 15 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 16 - 31 0, 1, 0, 1, 1, 1, 1, 1, 0, 0, 1, 1, 0, 1, 1, 0, // 32 - 47 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, // 48 - 63 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 64 - 79 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 1, 1, // 80 - 95 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 96 - 111 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 0, 1, 0 // 112 - 127 ]; function Wt(s) { return s >= 1e3 && s <= 1014 && s !== 1004 && s !== 1005 && s !== 1006 || s >= 3e3 && s <= 4999; } function be(s) { const e = s.length; let t = 0; for (; t < e; ) if (!(s[t] & 128)) t++; else if ((s[t] & 224) === 192) { if (t + 1 === e || (s[t + 1] & 192) !== 128 || (s[t] & 254) === 192) return !1; t += 2; } else if ((s[t] & 240) === 224) { if (t + 2 >= e || (s[t + 1] & 192) !== 128 || (s[t + 2] & 192) !== 128 || s[t] === 224 && (s[t + 1] & 224) === 128 || // Overlong s[t] === 237 && (s[t + 1] & 224) === 160) return !1; t += 3; } else if ((s[t] & 248) === 240) { if (t + 3 >= e || (s[t + 1] & 192) !== 128 || (s[t + 2] & 192) !== 128 || (s[t + 3] & 192) !== 128 || s[t] === 240 && (s[t + 1] & 240) === 128 || // Overlong s[t] === 244 && s[t + 1] > 143 || s[t] > 244) return !1; t += 4; } else return !1; return !0; } re.exports = { isValidStatusCode: Wt, isValidUTF8: be, tokenChars: Dt }; if (Ne) Le = re.exports.isValidUTF8 = function(s) { return s.length < 24 ? be(s) : Ne(s); }; else if (!process.env.WS_NO_UTF_8_VALIDATE) try { const s = It; Le = re.exports.isValidUTF8 = function(e) { return e.length < 32 ? be(e) : s(e); }; } catch { } var ae = re.exports; const { Writable: At } = S, Pe = oe, { BINARY_TYPES: Ft, EMPTY_BUFFER: Re, kStatusCode: jt, kWebSocket: Gt } = U, { concat: de, toArrayBuffer: Vt, unmask: Ht } = ne, { isValidStatusCode: zt, isValidUTF8: Ue } = ae, X = Buffer[Symbol.species], A = 0, Be = 1, $e = 2, Me = 3, _e = 4, Yt = 5; let qt = class extends At { /** * Creates a Receiver instance. * * @param {Object} [options] Options object * @param {String} [options.binaryType=nodebuffer] The type for binary data * @param {Object} [options.extensions] An object containing the negotiated * extensions * @param {Boolean} [options.isServer=false] Specifies whether to operate in * client or server mode * @param {Number} [options.maxPayload=0] The maximum allowed message length * @param {Boolean} [options.skipUTF8Validation=false] Specifies whether or * not to skip UTF-8 validation for text and close messages */ constructor(e = {}) { super(), this._binaryType = e.binaryType || Ft[0], this._extensions = e.extensions || {}, this._isServer = !!e.isServer, this._maxPayload = e.maxPayload | 0, this._skipUTF8Validation = !!e.skipUTF8Validation, this[Gt] = 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._state = A, this._loop = !1; } /** * Implements `Writable.prototype._write()`. * * @param {Buffer} chunk The chunk of data to write * @param {String} encoding The character encoding of `chunk` * @param {Function} cb Callback * @private */ _write(e, t, r) { if (this._opcode === 8 && this._state == A) return r(); this._bufferedBytes += e.length, this._buffers.push(e), this.startLoop(r); } /** * Consumes `n` bytes from the buffered data. * * @param {Number} n The number of bytes to consume * @return {Buffer} The consumed bytes * @private */ consume(e) { if (this._bufferedBytes -= e, e === this._buffers[0].length) return this._buffers.shift(); if (e < this._buffers[0].length) { const r = this._buffers[0]; return this._buffers[0] = new X( r.buffer, r.byteOffset + e, r.length - e ), new X(r.buffer, r.byteOffset, e); } const t = Buffer.allocUnsafe(e); do { const r = this._buffers[0], i = t.length - e; e >= r.length ? t.set(this._buffers.shift(), i) : (t.set(new Uint8Array(r.buffer, r.byteOffset, e), i), this._buffers[0] = new X( r.buffer, r.byteOffset + e, r.length - e )), e -= r.length; } while (e > 0); return t; } /** * Starts the parsing loop. * * @param {Function} cb Callback * @private */ startLoop(e) { let t; this._loop = !0; do switch (this._state) { case A: t = this.getInfo(); break; case Be: t = this.getPayloadLength16(); break; case $e: t = this.getPayloadLength64(); break; case Me: this.getMask(); break; case _e: t = this.getData(e); break; default: this._loop = !1; return; } while (this._loop); e(t); } /** * Reads the first two bytes of a frame. * * @return {(RangeError|undefined)} A possible error * @private */ getInfo() { if (this._bufferedBytes < 2) { this._loop = !1; return; } const e = this.consume(2); if (e[0] & 48) return this._loop = !1, g( RangeError, "RSV2 and RSV3 must be clear", !0, 1002, "WS_ERR_UNEXPECTED_RSV_2_3" ); const t = (e[0] & 64) === 64; if (t && !this._extensions[Pe.extensionName]) return this._loop = !1, g( RangeError, "RSV1 must be clear", !0, 1002, "WS_ERR_UNEXPECTED_RSV_1" ); if (this._fin = (e[0] & 128) === 128, this._opcode = e[0] & 15, this._payloadLength = e[1] & 127, this._opcode === 0) { if (t) return this._loop = !1, g( RangeError, "RSV1 must be clear", !0, 1002, "WS_ERR_UNEXPECTED_RSV_1" ); if (!this._fragmented) return this._loop = !1, g( RangeError, "invalid opcode 0", !0, 1002, "WS_ERR_INVALID_OPCODE" ); this._opcode = this._fragmented; } else if (this._opcode === 1 || this._opcode === 2) { if (this._fragmented) return this._loop = !1, g( RangeError, `invalid opcode ${this._opcode}`, !0, 1002, "WS_ERR_INVALID_OPCODE" ); this._compressed = t; } else if (this._opcode > 7 && this._opcode < 11) { if (!this._fin) return this._loop = !1, g( RangeError, "FIN must be set", !0, 1002, "WS_ERR_EXPECTED_FIN" ); if (t) return this._loop = !1, g( RangeError, "RSV1 must be clear", !0, 1002, "WS_ERR_UNEXPECTED_RSV_1" ); if (this._payloadLength > 125 || this._opcode === 8 && this._payloadLength === 1) return this._loop = !1, g( RangeError, `invalid payload length ${this._payloadLength}`, !0, 1002, "WS_ERR_INVALID_CONTROL_PAYLOAD_LENGTH" ); } else return this._loop = !1, g( RangeError, `invalid opcode ${this._opcode}`, !0, 1002, "WS_ERR_INVALID_OPCODE" ); if (!this._fin && !this._fragmented && (this._fragmented = this._opcode), this._masked = (e[1] & 128) === 128, this._isServer) { if (!this._masked) return this._loop = !1, g( RangeError, "MASK must be set", !0, 1002, "WS_ERR_EXPECTED_MASK" ); } else if (this._masked) return this._loop = !1, g( RangeError, "MASK must be clear", !0, 1002, "WS_ERR_UNEXPECTED_MASK" ); if (this._payloadLength === 126) this._state = Be; else if (this._payloadLength === 127) this._state = $e; else return this.haveLength(); } /** * Gets extended payload length (7+16). * * @return {(RangeError|undefined)} A possible error * @private */ getPayloadLength16() { if (this._bufferedBytes < 2) { this._loop = !1; return; } return this._payloadLength = this.consume(2).readUInt16BE(0), this.haveLength(); } /** * Gets extended payload length (7+64). * * @return {(RangeError|undefined)} A possible error * @private */ getPayloadLength64() { if (this._bufferedBytes < 8) { this._loop = !1; return; } const e = this.consume(8), t = e.readUInt32BE(0); return t > Math.pow(2, 53 - 32) - 1 ? (this._loop = !1, g( RangeError, "Unsupported WebSocket frame: payload length > 2^53 - 1", !1, 1009, "WS_ERR_UNSUPPORTED_DATA_PAYLOAD_LENGTH" )) : (this._payloadLength = t * Math.pow(2, 32) + e.readUInt32BE(4), this.haveLength()); } /** * Payload length has been read. * * @return {(RangeError|undefined)} A possible error * @private */ haveLength() { if (this._payloadLength && this._opcode < 8 && (this._totalPayloadLength += this._payloadLength, this._totalPayloadLength > this._maxPayload && this._maxPayload > 0)) return this._loop = !1, g( RangeError, "Max payload size exceeded", !1, 1009, "WS_ERR_UNSUPPORTED_MESSAGE_LENGTH" ); this._masked ? this._state = Me : this._state = _e; } /** * Reads mask bytes. * * @private */ getMask() { if (this._bufferedBytes < 4) { this._loop = !1; return; } this._mask = this.consume(4), this._state = _e; } /** * Reads data bytes. * * @param {Function} cb Callback * @return {(Error|RangeError|undefined)} A possible error * @private */ getData(e) { let t = Re; 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] && Ht(t, this._mask); } if (this._opcode > 7) return this.controlMessage(t); if (this._compressed) { this._state = Yt, this.decompress(t, e); return; } return t.length && (this._messageLength = this._totalPayloadLength, this._fragments.push(t)), this.dataMessage(); } /** * Decompresses data. * * @param {Buffer} data Compressed data * @param {Function} cb Callback * @private */ decompress(e, t) { this._extensions[Pe.extensionName].decompress(e, this._fin, (i, n) => { if (i) return t(i); if (n.length) { if (this._messageLength += n.length, this._messageLength > this._maxPayload && this._maxPayload > 0) return t( g( RangeError, "Max payload size exceeded", !1, 1009, "WS_ERR_UNSUPPORTED_MESSAGE_LENGTH" ) ); this._fragments.push(n); } const o = this.dataMessage(); if (o) return t(o); this.startLoop(t); }); } /** * Handles a data message. * * @return {(Error|undefined)} A possible error * @private */ dataMessage() { if (this._fin) { const e = this._messageLength, t = this._fragments; if (this._totalPayloadLength = 0, this._messageLength = 0, this._fragmented = 0, this._fragments = [], this._opcode === 2) { let r; this._binaryType === "nodebuffer" ? r = de(t, e) : this._binaryType === "arraybuffer" ? r = Vt(de(t, e)) : r = t, this.emit("message", r, !0); } else { const r = de(t, e); if (!this._skipUTF8Validation && !Ue(r)) return this._loop = !1, g( Error, "invalid UTF-8 sequence", !0, 1007, "WS_ERR_INVALID_UTF8" ); this.emit("message", r, !1); } } this._state = A; } /** * Handles a control message. * * @param {Buffer} data Data to handle * @return {(Error|RangeError|undefined)} A possible error * @private */ controlMessage(e) { if (this._opcode === 8) if (this._loop = !1, e.length === 0) this.emit("conclude", 1005, Re), this.end(); else { const t = e.readUInt16BE(0); if (!zt(t)) return g( RangeError, `invalid status code ${t}`, !0, 1002, "WS_ERR_INVALID_CLOSE_CODE" ); const r = new X( e.buffer, e.byteOffset + 2, e.length - 2 ); if (!this._skipUTF8Validation && !Ue(r)) return g( Error, "invalid UTF-8 sequence", !0, 1007, "WS_ERR_INVALID_UTF8" ); this.emit("conclude", t, r), this.end(); } else this._opcode === 9 ? this.emit("ping", e) : this.emit("pong", e); this._state = A; } }; var rt = qt; function g(s, e, t, r, i) { const n = new s( t ? `Invalid WebSocket frame: ${e}` : e ); return Error.captureStackTrace(n, g), n.code = i, n[jt] = r, n; } const qs = /* @__PURE__ */ z(rt), { randomFillSync: Kt } = S, Ie = oe, { EMPTY_BUFFER: Xt } = U, { isValidStatusCode: Zt } = ae, { mask: De, toBuffer: M } = ne, x = Symbol("kByteLength"), Qt = Buffer.alloc(4); let Jt = class P { /** * Creates a Sender instance. * * @param {(net.Socket|tls.Socket)} socket The connection socket * @param {Object} [extensions] An object containing the negotiated extensions * @param {Function} [generateMask] The function used to generate the masking * key */ constructor(e, t, r) { this._extensions = t || {}, r && (this._generateMask = r, this._maskBuffer = Buffer.alloc(4)), this._socket = e, this._firstFragment = !0, this._compress = !1, this._bufferedBytes = 0, this._deflating = !1, this._queue = []; } /** * Frames a piece of data according to the HyBi WebSocket protocol. * * @param {(Buffer|String)} data The data to frame * @param {Object} options Options object * @param {Boolean} [options.fin=false] Specifies whether or not to set the * FIN bit * @param {Function} [options.generateMask] The function used to generate the * masking key * @param {Boolean} [options.mask=false] Specifies whether or not to mask * `data` * @param {Buffer} [options.maskBuffer] The buffer used to store the masking * key * @param {Number} options.opcode The opcode * @param {Boolean} [options.readOnly=false] Specifies whether `data` can be * modified * @param {Boolean} [options.rsv1=false] Specifies whether or not to set the * RSV1 bit * @return {(Buffer|String)[]} The framed data * @public */ static frame(e, t) { let r, i = !1, n = 2, o = !1; t.mask && (r = t.maskBuffer || Qt, t.generateMask ? t.generateMask(r) : Kt(r, 0, 4), o = (r[0] | r[1] | r[2] | r[3]) === 0, n = 6); let l; typeof e == "string" ? (!t.mask || o) && t[x] !== void 0 ? l = t[x] : (e = Buffer.from(e), l = e.length) : (l = e.length, i = t.mask && t.readOnly && !o); let f = l; l >= 65536 ? (n += 8, f = 127) : l > 125 && (n += 2, f = 126); const a = Buffer.allocUnsafe(i ? l + n : n); return a[0] = t.fin ? t.opcode | 128 : t.opcode, t.rsv1 && (a[0] |= 64), a[1] = f, f === 126 ? a.writeUInt16BE(l, 2) : f === 127 && (a[2] = a[3] = 0, a.writeUIntBE(l, 4, 6)), t.mask ? (a[1] |= 128, a[n - 4] = r[0], a[n - 3] = r[1], a[n - 2] = r[2], a[n - 1] = r[3], o ? [a, e] : i ? (De(e, r, a, n, l), [a]) : (De(e, r, e, 0, l), [a, e])) : [a, e]; } /** * Sends a close message to the other peer. * * @param {Number} [code] The status code component of the body * @param {(String|Buffer)} [data] The message component of the body * @param {Boolean} [mask=false] Specifies whether or not to mask the message * @param {Function} [cb] Callback * @public */ close(e, t, r, i) { let n; if (e === void 0) n = Xt; else { if (typeof e != "number" || !Zt(e)) throw new TypeError("First argument must be a valid error code number"); if (t === void 0 || !t.length) n = Buffer.allocUnsafe(2), n.writeUInt16BE(e, 0); else { const l = Buffer.byteLength(t); if (l > 123) throw new RangeError("The message must not be greater than 123 bytes"); n = Buffer.allocUnsafe(2 + l), n.writeUInt16BE(e, 0), typeof t == "string" ? n.write(t, 2) : n.set(t, 2); } } const o = { [x]: n.length, fin: !0, generateMask: this._generateMask, mask: r, maskBuffer: this._maskBuffer, opcode: 8, readOnly: !1, rsv1: !1 }; this._deflating ? this.enqueue([this.dispatch, n, !1, o, i]) : this.sendFrame(P.frame(n, o), i); } /** * Sends a ping message to the other peer. * * @param {*} data The message to send * @param {Boolean} [mask=false] Specifies whether or not to mask `data` * @param {Function} [cb] Callback * @public */ ping(e, t, r) { let i, n; if (typeof e == "string" ? (i = Buffer.byteLength(e), n = !1) : (e = M(e), i = e.length, n = M.readOnly), i > 125) throw new RangeError("The data size must not be greater than 125 bytes"); const o = { [x]: i, fin: !0, generateMask: this._generateMask, mask: t, maskBuffer: this._maskBuffer, opcode: 9, readOnly: n, rsv1: !1 }; this._deflating ? this.enqueue([this.dispatch, e, !1, o, r]) : this.sendFrame(P.frame(e, o), r); } /** * Sends a pong message to the other peer. * * @param {*} data The message to send * @param {Boolean} [mask=false] Specifies whether or not to mask `data` * @param {Function} [cb] Callback * @public */ pong(e, t, r) { let i, n; if (typeof e == "string" ? (i = Buffer.byteLength(e), n = !1) : (e = M(e), i = e.length, n = M.readOnly), i > 125) throw new RangeError("The data size must not be greater than 125 bytes"); const o = { [x]: i, fin: !0, generateMask: this._generateMask, mask: t, maskBuffer: this._maskBuffer, opcode: 10, readOnly: n, rsv1: !1 }; this._deflating ? this.enqueue([this.dispatch, e, !1, o, r]) : this.sendFrame(P.frame(e, o), r); } /** * Sends a data message to the other peer. * * @param {*} data The message to send * @param {Object} options Options object * @param {Boolean} [options.binary=false] Specifies whether `data` is binary * or text * @param {Boolean} [options.compress=false] Specifies whether or not to * compress `data` * @param {Boolean} [options.fin=false] Specifies whether the fragment is the * last one * @param {Boolean} [options.mask=false] Specifies whether or not to mask * `data` * @param {Function} [cb] Callback * @public */ send(e, t, r) { const i = this._extensions[Ie.extensionName]; let n = t.binary ? 2 : 1, o = t.compress, l, f; if (typeof e == "string" ? (l = Buffer.byteLength(e), f = !1) : (e = M(e), l = e.length, f = M.readOnly), this._firstFragment ? (this._firstFragment = !1, o && i && i.params[i._isServer ? "server_no_context_takeover" : "client_no_context_takeover"] && (o = l >= i._threshold), this._compress = o) : (o = !1, n = 0), t.fin && (this._firstFragment = !0), i) { const a = { [x]: l, fin: t.fin, generateMask: this._generateMask, mask: t.mask, maskBuffer: this._maskBuffer, opcode: n, readOnly: f, rsv1: o }; this._deflating ? this.enqueue([this.dispatch, e, this._compress, a, r]) : this.dispatch(e, this._compress, a, r); } else this.sendFrame( P.frame(e, { [x]: l, fin: t.fin, generateMask: this._generateMask, mask: t.mask, maskBuffer: this._maskBuffer, opcode: n, readOnly: f, rsv1: !1 }), r ); } /** * Dispatches a message. * * @param {(Buffer|String)} data The message to send * @param {Boolean} [compress=false] Specifies whether or not to compress * `data` * @param {Object} options Options object * @param {Boolean} [options.fin=false] Specifies whether or not to set the * FIN bit * @param {Function} [options.generateMask] The function used to generate the * masking key * @param {Boolean} [options.mask=false] Specifies whether or not to mask * `data` * @param {Buffer} [options.maskBuffer] The buffer used to store the masking * key * @param {Number} options.opcode The opcode * @param {Boolean} [options.readOnly=false] Specifies whether `data` can be * modified * @param {Boolean} [options.rsv1=false] Specifies whether or not to set the * RSV1 bit * @param {Function} [cb] Callback * @private */ dispatch(e, t, r, i) { if (!t) { this.sendFrame(P.frame(e, r), i); return; } const n = this._extensions[Ie.extensionName]; this._bufferedBytes += r[x], this._deflating = !0, n.compress(e, r.fin, (o, l) => { if (this._socket.destroyed) { const f = new Error( "The socket was closed while data was being compressed" ); typeof i == "function" && i(f); for (let a = 0; a < this._queue.length; a++) { const c = this._queue[a], h = c[c.length - 1]; typeof h == "function" && h(f); } return; } this._bufferedBytes -= r[x], this._deflating = !1, r.readOnly = !1, this.sendFrame(P.frame(l, r), i), this.dequeue(); }); } /** * Executes queued send operations. * * @private */ dequeue() { for (; !this._deflating && this._queue.length; ) { const e = this._queue.shift(); this._bufferedBytes -= e[3][x], Reflect.apply(e[0], this, e.slice(1)); } } /** * Enqueues a send operation. * * @param {Array} params Send operation parameters. * @private */ enqueue(e) { this._bufferedBytes += e[3][x], this._queue.push(e); } /** * Sends a frame. * * @param {Buffer[]} list The frame to send * @param {Function} [cb] Callback * @private */ sendFrame(e, t) { e.length === 2 ? (this._socket.cork(), this._socket.write(e[0]), this._socket.write(e[1], t), this._socket.uncork()) : this._socket.write(e[0], t); } }; var it = Jt; const Ks = /* @__PURE__ */ z(it), { kForOnEventAttribute: F, kListener: pe } = U, We = Symbol("kCode"), Ae = Symbol("kData"), Fe = Symbol("kError"), je = Symbol("kMessage"), Ge = Symbol("kReason"), I = Symbol("kTarget"), Ve = Symbol("kType"), He = Symbol("kWasClean"); class B { /** * Create a new `Event`. * * @param {String} type The name of the event * @throws {TypeError} If the `type` argument is not specified */ constructor(e) { this[I] = null, this[Ve] = e; } /** * @type {*} */ get target() { return this[I]; } /** * @type {String} */ get type() { return this[Ve]; } } Object.defineProperty(B.prototype, "target", { enumerable: !0 }); Object.defineProperty(B.prototype, "type", { enumerable: !0 }); class Y extends B { /** * Create a new `CloseEvent`. * * @param {String} type The name of the event * @param {Object} [options] A dictionary object that allows for setting * attributes via object members of the same name * @param {Number} [options.code=0] The status code explaining why the * connection was closed * @param {String} [options.reason=''] A human-readable string explaining why * the connection was closed * @param {Boolean} [options.wasClean=false] Indicates whether or not the * connection was cleanly closed */ constructor(e, t = {}) { super(e), this[We] = t.code === void 0 ? 0 : t.code, this[Ge] = t.reason === void 0 ? "" : t.reason, this[He] = t.wasClean === void 0 ? !1 : t.wasClean; } /** * @type {Number} */ get code() { return this[We]; } /** * @type {String} */ get reason() { return this[Ge]; } /** * @type {Boolean} */ get wasClean() { return this[He]; } } Object.defineProperty(Y.prototype, "code", { enumerable: !0 }); Object.defineProperty(Y.prototype, "reason", { enumerable: !0 }); Object.defineProperty(Y.prototype, "wasClean", { enumerable: !0 }); class le extends B { /** * Create a new `ErrorEvent`. * * @param {String} type The name of the event * @param {Object} [options] A dictionary object that allows for setting * attributes via object members of the same name * @param {*} [options.error=null] The error that generated this event * @param {String} [options.message=''] The error message */ constructor(e, t = {}) { super(e), this[Fe] = t.error === void 0 ? null : t.error, this[je] = t.message === void 0 ? "" : t.message; } /** * @type {*} */ get error() { return this[Fe]; } /** * @type {String} */ get message() { return this[je]; } } Object.defineProperty(le.prototype, "error", { enumerable: !0 }); Object.defineProperty(le.prototype, "message", { enumerable: !0 }); class xe extends B { /** * Create a new `MessageEvent`. * * @param {String} type The name of the event * @param {Object} [options] A dictionary object that allows for setting * attributes via object members of the same name * @param {*} [options.data=null] The message content */ constructor(e, t = {}) { super(e), this[Ae] = t.data === void 0 ? null : t.data; } /** * @type {*} */ get data() { return this[Ae]; } } Object.defineProperty(xe.prototype, "data", { enumerable: !0 }); const es = { /** * Register an event listener. * * @param {String} type A string representing the event type to listen for * @param {(Function|Object)} handler The listener to add * @param {Object} [options] An options object specifies characteristics about * the event listener * @param {Boolean} [options.once=false] A `Boolean` indicating that the * listener should be invoked at most once after being added. If `true`, * the listener would be automatically removed when invoked. * @public */ addEventListener(s, e, t = {}) { for (const i of this.listeners(s)) if (!t[F] && i[pe] === e && !i[F]) return; let r; if (s === "message") r = function(n, o) { const l = new xe("message", { data: o ? n : n.toString() }); l[I] = this, Z(e, this, l); }; else if (s === "close") r = function(n, o) { const l = new Y("close", { code: n, reason: o.toString(), wasClean: this._closeFrameReceived && this._closeFrameSent }); l[I] = this, Z(e, this, l); }; else if (s === "error") r = function(n) { const o = new le("error", { error: n, message: n.message }); o[I] = this, Z(e, this, o); }; else if (s === "open") r = function() { const n = new B("open"); n[I] = this, Z(e, this, n); }; else return; r[F] = !!t[F], r[pe] = e, t.once ? this.once(s, r) : this.on(s, r); }, /** * Remove an event listener. * * @param {String} type A string representing the event type to remove * @param {(Function|Object)} handler The listener to remove * @public */ removeEventListener(s, e) { for (const t of this.listeners(s)) if (t[pe] === e && !t[F]) { this.removeListener(s, t); break; } } }; var ts = { CloseEvent: Y, ErrorEvent: le, Event: B, EventTarget: es, MessageEvent: xe }; function Z(s, e, t) { typeof s == "object" && s.handleEvent ? s.handleEvent.call(s, t) : s.call(e, t); } const { tokenChars: j } = ae; function k(s, e, t) { s[e] === void 0 ? s[e] = [t] : s[e].push(t); } function ss(s) { const e = /* @__PURE__ */ Object.create(null); let t = /* @__PURE__ */ Object.create(null), r = !1, i = !1, n = !1, o, l, f = -1, a = -1, c = -1, h = 0; for (; h < s.length; h++) if (a = s.charCodeAt(h), o === void 0) if (c === -1 && j[a] === 1) f === -1 && (f = h); else if (h !== 0 && (a === 32 || a === 9)) c === -1 && f !== -1 && (c = h); else if (a === 59 || a === 44) { if (f === -1) throw new SyntaxError(`Unexpected character at index ${h}`); c === -1 && (c = h); const v = s.slice(f, c); a === 44 ? (k(e, v, t), t = /* @__PURE__ */ Object.create(null)) : o = v, f = c = -1; } else throw new SyntaxError(`Unexpected character at index ${h}`); else if (l === void 0) if (c === -1 && j[a] === 1) f === -1 && (f = h); else if (a === 32 || a === 9) c === -1 && f !== -1 && (c = h); else if (a === 59 || a === 44) { if (f === -1) throw new SyntaxError(`Unexpected character at index ${h}`); c === -1 && (c = h), k(t, s.slice(f, c), !0), a === 44 && (k(e, o, t), t = /* @__PURE__ */ Object.create(null), o = void 0), f = c = -1; } else if (a === 61 && f !== -1 && c === -1) l = s.slice(f, h), f = c = -1; else throw new SyntaxError(`Unexpected character at index ${h}`); else if (i) { if (j[a] !== 1) throw new SyntaxError(`Unexpected character at index ${h}`); f === -1 ? f = h : r || (r = !0), i = !1; } else if (n) if (j[a] === 1) f === -1 && (f = h); else if (a === 34 && f !== -1) n = !1, c = h; else if (a === 92) i = !0; else throw new SyntaxError(`Unexpected character at index ${h}`); else if (a === 34 && s.charCodeAt(h - 1) === 61) n = !0; else if (c === -1 && j[a] === 1) f === -1 && (f = h); else if (f !== -1 && (a === 32 || a === 9)) c === -1 && (c = h); else if (a === 59 || a === 44) { if (f === -1) throw new SyntaxError(`Unexpected character at index ${h}`); c === -1 && (c = h); let v = s.slice(f, c); r && (v = v.replace(/\\/g, ""), r = !1), k(t, l, v), a === 44 && (k(e, o, t), t = /* @__PURE__ */ Object.create(null), o = void 0), l = void 0, f = c = -1; } else throw new SyntaxError(`Unexpected character at index ${h}`); if (f === -1 || n || a === 32 || a === 9) throw new SyntaxError("Unexpected end of input"); c === -1 && (c = h); const p = s.slice(f, c); return o === void 0 ? k(e, p, t) : (l === void 0 ? k(t, p, !0) : r ? k(t, l, p.replace(/\\/g, "")) : k(t, l, p), k(e, o, t)), e; } function rs(s) { return Object.keys(s).map((e) => { let t = s[e]; return Array.isArray(t) || (t = [t]), t.map((r) => [e].concat( Object.keys(r).map((i) => { let n = r[i]; return Array.isArray(n) || (n = [n]), n.map((o) => o === !0 ? i : `${i}=${o}`).join("; "); }) ).join("; ")).join(", "); }).join(", "); } var nt = { format: rs, parse: ss }; const is = S, ns = S, os = S, ot = S, as = S, { randomBytes: ls, createHash: fs } = S, { URL: me } = S, T = oe, hs = rt, cs = it, { BINARY_TYPES: ze, EMPTY_BUFFER: Q, GUID: us, kForOnEventAttribute: ge, kListener: ds, kStatusCode: _s, kWebSocket: y, NOOP: at } = U, { EventTarget: { addEventListener: ps, removeEventListener: ms } } = ts, { format: gs, parse: ys } = nt, { toBuffer: vs } = ne, Ss = 30 * 1e3, lt = Symbol("kAborted"), ye = [8, 13], O = ["CONNECTING", "OPEN", "CLOSING", "CLOSED"], Es = /^[!#$%&'*+\-.0-9A-Z^_`|a-z~]+$/; let m = class d extends is { /** * Create a new `WebSocket`. * * @param {(String|URL)} address The URL to which to connect * @param {(String|String[])} [protocols] The subprotocols * @param {Object} [options] Connection options */ constructor(e, t, r) { super(), this._binaryType = ze[0], this._closeCode = 1006, this._closeFrameReceived = !1, this._closeFrameSent = !1, this._closeMessage = Q, this._closeTimer = null, this._extensions = {}, this._paused = !1, this._protocol = "", this._readyState = d.CONNECTING, this._receiver = null, this._sender = null, this._socket = null, e !== null ? (this._bufferedAmount = 0, this._isServer = !1, this._redirects = 0, t === void 0 ? t = [] : Array.isArray(t) || (typeof t == "object" && t !== null ? (r = t, t = []) : t = [t]), ht(this, e, t, r)) : this._isServer = !0; } /** * This deviates from the WHATWG interface since ws doesn't support the * required default "blob" type (instead we define a custom "nodebuffer" * type). * * @type {String} */ get binaryType() { return this._binaryType; } set binaryType(e) { ze.includes(e) && (this._binaryType = e, this._receiver && (this._receiver._binaryType = e)); } /** * @type {Number} */ get bufferedAmount() { return this._socket ? this._socket._writableState.length + this._sender._bufferedBytes : this._bufferedAmount; } /** * @type {String} */ get extensions() { return Object.keys(this._extensions).join(); } /** * @type {Boolean} */ get isPaused() { return this._paused; } /** * @type {Function} */ /* istanbul ignore next */ get onclose() { return null; } /** * @type {Function} */ /* istanbul ignore next */ get onerror() { return null; } /** * @type {Function} */ /* istanbul ignore next */ get onopen() { return null; } /** * @type {Function} */ /* istanbul ignore next */ get onmessage() { return null; } /** * @type {String} */ get protocol() { return this._protocol; } /** * @type {Number} */ get readyState() { return this._readyState; } /** * @type {String} */ get url() { return this._url; } /** * Set up the socket and the internal resources. * * @param {(net.Socket|tls.Socket)} socket The network socket between the * server and client * @param {Buffer} head The first packet of the upgraded stream * @param {Object} options Options object * @param {Function} [options.generateMask] The function used to generate the * masking key * @param {Number} [options.maxPayload=0] The maximum allowed message size * @param {Boolean} [options.skipUTF8Validation=false] Specifies whether or * not to skip UTF-8 validation for text and close messages * @private */ setSocket(e, t, r) { const i = new hs({ binaryType: this.binaryType, extensions: this._extensions, isServer: this._isServer, maxPayload: r.maxPayload, skipUTF8Validation: r.skipUTF8Validation }); this._sender = new cs(e, this._extensions, r.generateMask), this._receiver = i, this._socket = e, i[y] = this, e[y] = this, i.on("conclude", ks), i.on("drain", ws), i.on("error", Os), i.on("message", Cs), i.on("ping", Ts), i.on("pong", Ls), e.setTimeout(0), e.setNoDelay(), t.length > 0 && e.unshift(t), e.on("close", ut), e.on("data", fe), e.on("end", dt), e.on("error", _t), this._readyState = d.OPEN, this.emit("open"); } /** * Emit the `'close'` event. * * @private */ emitClose() { if (!this._socket) { this._readyState = d.CLOSED, this.emit("close", this._closeCode, this._closeMessage); return; } this._extensions[T.extensionName] && this._extensions[T.extensionName].cleanup(), this._receiver.removeAllListeners(), this._readyState = d.CLOSED, this.emit("close", this._closeCode, this._closeMessage); } /** * Start a closing handshake. * * +----------+ +-----------+ +----------+ * - - -|ws.close()|-->|close frame|-->|ws.close()|- - - * | +----------+ +-----------+ +----------+ | * +----------+ +-----------+ | * CLOSING |ws.close()|<--|close frame|<--+-----+ CLOSING * +----------+ +-----------+ | * | | | +---+ | * +------------------------+-->|fin| - - - - * | +---+ | +---+ * - - - - -|fin|<---------------------+ * +---+ * * @param {Number} [code] Status code explaining why the connection is closing * @param {(String|Buffer)} [data] The reason why the connection is * closing * @public */ close(e, t) { if (this.readyState !== d.CLOSED) { if (this.readyState === d.CONNECTING) { const r = "WebSocket was closed before the connection was established"; b(this, this._req, r); return; } if (this.readyState === d.CLOSING) { this._closeFrameSent && (this._closeFrameReceived || this._receiver._writableState.errorEmitted) && this._socket.end(); return; } this._readyState = d.CLOSING, this._sender.close(e, t, !this._isServer, (r) => { r || (this._closeFrameSent = !0, (this._closeFrameReceived || this._receiver._writableState.errorEmitted) && this._socket.end()); }), this._closeTimer = setTimeout( this._socket.destroy.bind(this._socket), Ss ); } } /** * Pause the socket. * * @public */ pause() { this.readyState === d.CONNECTING || this.readyState === d.CLOSED || (this._paused = !0, this._socket.pause()); } /** * Send a ping. * * @param {*} [data] The data to send * @param {Boolean} [mask] Indicates whether or not to mask `data` * @param {Function} [cb] Callback which is executed when the ping is sent * @public */ ping(e, t, r) { if (this.readyState === d.CONNECTING) throw new Error("WebSocket is not open: readyState 0 (CONNECTING)"); if (typeof e == "function" ? (r = e, e = t = void 0) : typeof t == "function" && (r = t, t = void 0), typeof e == "number" && (e = e.toString()), this.readyState !== d.OPEN) { ve(this, e, r); return; } t === void 0 && (t = !this._isServer), this._sender.ping(e || Q, t, r); } /** * Send a pong. * * @param {*} [data] The data to send * @param {Boolean} [mask] Indicates whether or not to mask `data` * @param {Function} [cb] Callback which is executed when the pong is sent * @public */ pong(e, t, r) { if (this.readyState === d.CONNECTING) throw new Error("WebSocket is not open: readyState 0 (CONNECTING)"); if (typeof e == "function" ? (r = e, e = t = void 0) : typeof t == "function" && (r = t, t = void 0), typeof e == "number" && (e = e.toString()), this.readyState !== d.OPEN) { ve(this, e, r); return; } t === void 0 && (t = !this._isServer), this._sender.pong(e || Q, t, r); } /** * Resume the socket. * * @public */ resume() { this.readyState === d.CONNECTING || this.readyState === d.CLOSED || (this._paused = !1, this._receiver._writableState.needDrain || this._socket.resume()); } /** * Send a data message. * * @param {*} data The message to send * @param {Object} [options] Options object * @param {Boolean} [options.binary] Specifies whether `data` is binary or * text * @param {Boolean} [options.compress] Specifies whether or not to compress * `data` * @param {Boolean} [options.fin=true] Specifies whether the fragment is the * last one * @param {Boolean} [options.mask] Specifies whether or not to mask `data` * @param {Function} [cb] Callback which is executed when data is written out * @public */ send(e, t, r) { if (this.readyState === d.CONNECTING) throw new Error("WebSocket is not open: readyState 0 (CONNECTING)"); if (typeof t == "function" && (r = t, t = {}), typeof e == "number" && (e = e.toString()), this.readyState !== d.OPEN) { ve(this, e, r); return; } const i = { binary: typeof e != "string", mask: !this._isServer, compress: !0, fin: !0, ...t }; this._extensions[T.extensionName] || (i.compress = !1), this._sender.send(e || Q, i, r); } /** * Forcibly close the connection. * * @public */ terminate() { if (this.readyState !== d.CLOSED) { if (this.readyState === d.CONNECTING) { const e = "WebSocket was closed before the connection was established"; b(this, this._req, e); return; } this._socket && (this._readyState = d.CLOSING, this._socket.destroy()); } } }; Object.defineProperty(m, "CONNECTING", { enumerable: !0, value: O.indexOf("CONNECTING") }); Object.defineProperty(m.prototype, "CONNECTING", { enumerable: !0, value: O.indexOf("CONNECTING") }); Object.defineProperty(m, "OPEN", { enumerable: !0, value: O.indexOf("OPEN") }); Object.defineProperty(m.prototype, "OPEN", { enumerable: !0, value: O.indexOf("OPEN") }); Object.defineProperty(m, "CLOSING", { enumerable: !0, value: O.indexOf("CLOSING") }); Object.defineProperty(m.prototype, "CLOSING", { enumerable: !0, value: O.indexOf("CLOSING") }); Object.defineProperty(m, "CLOSED", { enumerable: !0, value: O.indexOf("CLOSED") }); Object.defineProperty(m.prototype, "CLOSED", { enumerable: !0, value: O.indexOf("CLOSED") }); [ "binaryType", "bufferedAmount", "extensions", "isPaused", "protocol", "readyState", "url" ].forEach((s) => { Object.defineProperty(m.prototype, s, { enumerable: !0 }); }); ["open", "error", "close", "message"].forEach((s) => { Object.defineProperty(m.prototype, `on${s}`, { enumerable: !0, get() { for (const e of this.listeners(s)) if (e[ge]) return e[ds]; return null; }, set(e) { for (const t of this.listeners(s)) if (t[ge]) { this.removeListener(s, t); break; } typeof e == "function" && this.addEventListener(s, e, { [ge]: !0 }); } }); }); m.prototype.addEventListener = ps; m.prototype.removeEventListener = ms; var ft = m; function ht(s, e, t, r) { const i = { protocolVersion: ye[1], maxPayload: 104857600, skipUTF8Validation: !1, perMessageDeflate: !0, followRedirects: !1, maxRedirects: 10, ...r, createConnection: void 0, socketPath: void 0, hostname: void 0, protocol: void 0, timeout: void 0, method: "GET", host: void 0, path: void 0, port: void 0 }; if (!ye.includes(i.protocolVersion)) throw new RangeError( `Unsupported protocol version: ${i.protocolVersion} (supported versions: ${ye.join(", ")})` ); let n; if (e instanceof me) n = e, s._url = e.href; else { try { n = new me(e); } catch { throw new SyntaxError(`Invalid URL: ${e}`); } s._url = e; } const o = n.protocol === "wss:", l = n.protocol === "ws+unix:"; let f; if (n.protocol !== "ws:" && !o && !l ? f = `The URL's protocol must be one of "ws:", "wss:", or "ws+unix:"` : l && !n.pathname ? f = "The URL's pathname is empty" : n.hash && (f = "The URL contains a fragment identifier"), f) { const u = new SyntaxError(f); if (s._redirects === 0) throw u; ee(s, u); return; } const a = o ? 443 : 80, c = ls(16).toString("base64"), h = o ? ns.request : os.request, p = /* @__PURE__ */ new Set(); let v; if (i.createConnection = o ? xs : bs, i.defaultPort = i.defaultPort || a, i.port = n.port || a, i.host = n.hostname.startsWith("[") ? n.hostname.slice(1, -1) : n.hostname, i.headers = { ...i.headers, "Sec-WebSocket-Version": i.protocolVersion, "Sec-WebSocket-Key": c, Connection: "Upgrade", Upgrade: "websocket" }, i.path = n.pathname + n.search, i.timeout = i.handshakeTimeout, i.perMessageDeflate && (v = new T( i.perMessageDeflate !== !0 ? i.perMessageDeflate : {}, !1, i.maxPayload ), i.headers["Sec-WebSocket-Extensions"] = gs({ [T.extensionName]: v.offer() })), t.length) { for (const u of t) { if (typeof u != "string" || !Es.test(u) || p.has(u)) throw new SyntaxError( "An invalid or duplicated subprotocol was specified" ); p.add(u); } i.headers["Sec-WebSocket-Protocol"] = t.join(","); } if (i.origin && (i.protocolVersion < 13 ? i.headers["Sec-WebSocket-Origin"] = i.origin : i.headers.Origin = i.origin), (n.username || n.password) && (i.auth = `${n.username}:${n.password}`), l) { const u = i.path.split(":"); i.socketPath = u[0], i.path = u[1]; } let _; if (i.followRedirects) { if (s._redirects === 0) { s._originalIpc = l, s._originalSecure = o, s._originalHostOrSocketPath = l ? i.socketPath : n.host; const u = r && r.headers; if (r = { ...r, headers: {} }, u) for (const [E, $] of Object.entries(u)) r.headers[E.toLowerCase()] = $; } else if (s.listenerCount("redirect") === 0) { const u = l ? s._originalIpc ? i.socketPath === s._originalHostOrSocketPath : !1 : s._originalIpc ? !1 : n.host === s._originalHostOrSocketPath; (!u || s._originalSecure && !o) && (delete i.headers.authorization, delete i.headers.cookie, u || delete i.headers.host, i.auth = void 0); } i.auth && !r.headers.authorization && (r.headers.authorization = "Basic " + Buffer.from(i.auth).toString("base64")), _ = s._req = h(i), s._redirects && s.emit("redirect", s.url, _); } else _ = s._req = h(i); i.timeout && _.on("timeout", () => { b(s, _, "Opening handshake has timed out"); }), _.on("error", (u) => { _ === null || _[lt] || (_ = s._req = null, ee(s, u)); }), _.on("response", (u) => { const E = u.headers.location, $ = u.statusCode; if (E && i.followRedirects && $ >= 300 && $ < 400) { if (++s._redirects > i.maxRedirects) { b(s, _, "Maximum redirects exceeded"); return; } _.abort(); let q; try { q = new me(E, e); } catch { const L = new SyntaxError(`Invalid URL: ${E}`); ee(s, L); return; } ht(s, q, t, r); } else s.emit("unexpected-response", _, u) || b( s, _, `Unexpected server response: ${u.statusCode}` ); }), _.on("upgrade", (u, E, $) => { if (s.emit("upgrade", u), s.readyState !== m.CONNECTING) return; if (_ = s._req = null, u.headers.upgrade.toLowerCase() !== "websocket") { b(s, E, "Invalid Upgrade header"); return; } const q = fs("sha1").update(c + us).digest("base64"); if (u.headers["sec-websocket-accept"] !== q) { b(s, E, "Invalid Sec-WebSocket-Accept header"); return; } const D = u.headers["sec-websocket-protocol"]; let L; if (D !== void 0 ? p.size ? p.has(D) || (L = "Server sent an invalid subprotocol") : L = "Server sent a subprotocol but none was requested" : p.size && (L = "Server sent no subprotocol"), L) { b(s, E, L); return; } D && (s._protocol = D); const ke = u.headers["sec-websocket-extensions"]; if (ke !== void 0) { if (!v) { b(s, E, "Server sent a Sec-WebSocket-Extensions header but no extension was requested"); return; } let he; try { he = ys(ke); } catch { b(s, E, "Invalid Sec-WebSocket-Extensions header"); return; } const we = Object.keys(he); if (we.length !== 1 || we[0] !== T.extensionName) { b(s, E, "Server indicated an extension that was not requested"); return; } try { v.accept(he[T.extensionName]); } catch { b(s, E, "Invalid Sec-WebSocket-Extensions header"); return; } s._extensions[T.extensionName] = v; } s.setSocket(E, $, { generateMask: i.generateMask, maxPayload: i.maxPayload, skipUTF8Validation: i.skipUTF8Validation }); }), i.finishRequest ? i.finishRequest(_, s) : _.end(); } function ee(s, e) { s._readyState = m.CLOSING, s.emit("error", e), s.emitClose(); } function bs(s) { return s.path = s.socketPath, ot.connect(s); } function xs(s) { return s.path = void 0, !s.servername && s.servername !== "" && (s.servername = ot.isIP(s.host) ? "" : s.host), as.connect(s); } function b(s, e, t) { s._readyState = m.CLOSING; const r = new Error(t); Error.captureStackTrace(r, b), e.setHeader ? (e[lt] = !0, e.abort(), e.socket && !e.socket.destroyed && e.socket.destroy(), process.nextTick(ee, s, r)) : (e.destroy(r), e.once("error", s.emit.bind(s, "error")), e.once("close", s.emitClose.bind(s))); } function ve(s, e, t) { if (e) { const r = vs(e).length; s._socket ? s._sender._bufferedBytes += r : s._bufferedAmount += r; } if (t) { const r = new Error( `WebSocket is not open: readyState ${s.readyState} (${O[s.readyState]})` ); process.nextTick(t, r); } } function ks(s, e) { const t = this[y]; t._closeFrameReceived = !0, t._closeMessage = e, t._closeCode = s, t._socket[y] !== void 0 && (t._socket.removeListener("data", fe), process.nextTick(ct, t._socket), s === 1005 ? t.close() : t.close(s, e)); } function ws() { const s = this[y]; s.isPaused || s._socket.resume(); } function Os(s) { const e = this[y]; e._socket[y] !== void 0 && (e._socket.removeListener("data", fe), process.nextTick(ct, e._socket), e.close(s[_s])), e.emit("error", s); } function Ye() { this[y].emitClose(); } function Cs(s, e) { this[y].emit("message", s, e); } function Ts(s) { const e = this[y]; e.pong(s, !e._isServer, at), e.emit("ping", s); } function Ls(s) { this[y].emit("pong", s); } function ct(s) { s.resume(); } function ut() { const s = this[y]; this.removeListener("close", ut), this.removeListener("data", fe), this.removeListener("end", dt), s._readyState = m.CLOSING; let e; !this._readableState.endEmitted && !s._closeFrameReceived && !s._receiver._writableState.errorEmitted && (e = s._socket.read()) !== null && s._receiver.write(e), s._receiver.end(), this[y] = void 0, clearTimeout(s._closeTimer), s._receiver._writableState.finished || s._receiver._writableState.errorEmitted ? s.emitClose() : (s._receiver.on("error", Ye), s._receiver.on("finish", Ye)); } function fe(s) { this[y]._receiver.write(s) || this.pause(); } function dt() { const s = this[y]; s._readyState = m.CLOSING, s._receiver.end(), this.end(); } function _t() { const s = this[y]; this.removeListener("error", _t), this.on("error", at), s && (s._readyState = m.CLOSING, this.destroy()); } const Xs = /* @__PURE__ */ z(ft), { tokenChars: Ns } = ae; function Ps(s) { const e = /* @__PURE__ */ new Set(); let t = -1, r = -1, i = 0; for (i; i < s.length; i++) { const o = s.charCodeAt(i); if (r === -1 && Ns[o] === 1) t === -1 && (t = i); else if (i !== 0 && (o === 32 || o === 9)) r === -1 && t !== -1 && (r = i); else if (o === 44) { if (t === -1) throw new SyntaxError(`Unexpected character at index ${i}`); r === -1 && (r = i); const l = s.slice(t, r); if (e.has(l)) throw new SyntaxError(`The "${l}" subprotocol is duplicated`); e.add(l), t = r = -1; } else throw new SyntaxError(`Unexpected character at index ${i}`); } if (t === -1 || r !== -1) throw new SyntaxError("Unexpected end of input"); const n = s.slice(t, i); if (e.has(n)) throw new SyntaxError(`The "${n}" subprotocol is duplicated`); return e.add(n), e; } var Rs = { parse: Ps }; const Us = S, ie = S, { createHash: Bs } = S, qe = nt, N = oe, $s = Rs, Ms = ft, { GUID: Is, kWebSocket: Ds } = U, Ws = /^[+/0-9A-Za-z]{22}==$/, Ke = 0, Xe = 1, pt = 2; class As extends Us { /** * Create a `WebSocketServer` instance. * * @param {Object} options Configuration options * @param {Number} [options.backlog=511] The maximum length of the queue of * pending connections * @param {Boolean} [options.clientTracking=true] Specifies whether or not to * track clients * @param {Function} [options.handleProtocols] A hook to handle protocols * @param {String} [options.host] The hostname where to bind the server * @param {Number} [options.maxPayload=104857600] The maximum allowed message * size * @param {Boolean} [options.noServer=false] Enable no server mode * @param {String} [options.path] Accept only connections matching this path * @param {(Boolean|Object)} [options.perMessageDeflate=false] Enable/disable * permessage-deflate * @param {Number} [options.port] The port where to bind the server * @param {(http.Server|https.Server)} [options.server] A pre-created HTTP/S * server to use * @param {Boolean} [options.skipUTF8Validation=false] Specifies whether or * not to skip UTF-8 validation for text and close messages * @param {Function} [options.verifyClient] A hook to reject connections * @param {Function} [options.WebSocket=WebSocket] Specifies the `WebSocket` * class to use. It must be the `WebSocket` class or class that extends it * @param {Function} [callback] A listener for the `listening` event */ constructor(e, t) { if (super(), e = { maxPayload: 100 * 1024 * 1024, skipUTF8Validation: !1, perMessageDeflate: !1, handleProtocols: null, clientTracking: !0, verifyClient: null, noServer: !1, backlog: null, // use default (511 as implemented in net.js) server: null, host: null, path: null, port: null, WebSocket: Ms, ...e }, e.port == null && !e.server && !e.noServer || e.port != null && (e.server || e.noServer) || e.server && e.noServer) throw new TypeError( 'One and only one of the "port", "server", or "noServer" options must be specified' ); if (e.port != null ? (this._server = ie.createServer((r, i) => { const n = ie.STATUS_CODES[426]; i.writeHead(426, { "Content-Length": n.length, "Content-Type": "text/plain" }), i.end(n); }), this._server.listen( e.port, e.host, e.backlog, t )) : e.server && (this._server = e.server), this._server) { const r = this.emit.bind(this, "connection"); this._removeListeners = js(this._server, { listening: this.emit.bind(this, "listening"), error: this.emit.bind(this, "error"), upgrade: (i, n, o) => { this.handleUpgrade(i, n, o, r); } }); } e.perMessageDeflate === !0 && (e.perMessageDeflate = {}), e.clientTracking && (this.clients = /* @__PURE__ */ new Set(), this._shouldEmitClose = !1), this.options = e, this._state = Ke; } /** * Returns the bound address, the address family name, and port of the server * as reported by the operating system if listening on an IP socket. * If the server is listening on a pipe or UNIX domain socket, the name is * returned as a string. * * @return {(Object|String|null)} The address of the server * @public */ address() { if (this.options.noServer) throw new Error('The server is operating in "noServer" mode'); return this._server ? this._server.address() : null; } /** * Stop the server from accepting new connections and emit the `'close'` event * when all existing connections are closed. * * @param {Function} [cb] A one-time listener for the `'close'` event * @public */ close(e) { if (this._state === pt) { e && this.once("close", () => { e(new Error("The server is not running")); }), process.nextTick(G, this); return; } if (e && this.once("close", e), this._state !== Xe) if (this._state = Xe, this.options.noServer || this.options.server) this._server && (this._removeListeners(), this._removeListeners = this._server = null), this.clients ? this.clients.size ? this._shouldEmitClose = !0 : process.nextTick(G, this) : process.nextTick(G, this); else { const t = this._server; this._removeListeners(), this._removeListeners = this._server = null, t.close(() => { G(this); }); } } /** * See if a given request should be handled by this server instance. * * @param {http.IncomingMessage} req Request object to inspect * @return {Boolean} `true` if the request is valid, else `false` * @public */ shouldHandle(e) { if (this.options.path) { const t = e.url.indexOf("?"); if ((t !== -1 ? e.url.slice(0, t) : e.url) !== this.options.path) return !1; } return !0; } /** * Handle a HTTP Upgrade request. * * @param {http.IncomingMessage} req The request object * @param {(net.Socket|tls.Socket)} socket The network socket between the * server and client * @param {Buffer} head The first packet of the upgraded stream * @param {Function} cb Callback * @public */ handleUpgrade(e, t, r, i) { t.on("error", Ze); const n = e.headers["sec-websocket-key"], o = +e.headers["sec-websocket-version"]; if (e.method !== "GET") { R(this, e, t, 405, "Invalid HTTP method"); return; } if (e.headers.upgrade.toLowerCase() !== "websocket") { R(this, e, t, 400, "Invalid Upgrade header"); return; } if (!n || !Ws.test(n)) { R(this, e, t, 400, "Missing or invalid Sec-WebSocket-Key header"); return; } if (o !== 8 && o !== 13) { R(this, e, t, 400, "Missing or invalid Sec-WebSocket-Version header"); return; } if (!this.shouldHandle(e)) { H(t, 400); return; } const l = e.headers["sec-websocket-protocol"]; let f = /* @__PURE__ */ new Set(); if (l !== void 0) try { f = $s.parse(l); } catch { R(this, e, t, 400, "Invalid Sec-WebSocket-Protocol header"); return; } const a = e.headers["sec-websocket-extensions"], c = {}; if (this.options.perMessageDeflate && a !== void 0) { const h = new N( this.options.perMessageDeflate, !0, this.options.maxPayload ); try { const p = qe.parse(a); p[N.extensionName] && (h.accept(p[N.extensionName]), c[N.extensionName] = h); } catch { R(this, e, t, 400, "Invalid or unacceptable Sec-WebSocket-Extensions header"); return; } } if (this.options.verifyClient) { const h = { origin: e.headers[`${o === 8 ? "sec-websocket-origin" : "origin"}`], secure: !!(e.socket.authorized || e.socket.encrypted), req: e }; if (this.options.verifyClient.length === 2) { this.options.verifyClient(h, (p, v, _, u) => { if (!p) return H(t, v || 401, _, u); this.completeUpgrade( c, n, f, e, t, r, i ); }); return; } if (!this.options.verifyClient(h)) return H(t, 401); } this.completeUpgrade(c, n, f, e, t, r, i); } /** * Upgrade the connection to WebSocket. * * @param {Object} extensions The accepted extensions * @param {String} key The value of the `Sec-WebSocket-Key` header * @param {Set} protocols The subprotocols * @param {http.IncomingMessage} req The request object * @param {(net.Socket|tls.Socket)} socket The network socket between the * server and client * @param {Buffer} head The first packet of the upgraded stream * @param {Function} cb Callback * @throws {Error} If called more than once with the same socket * @private */ completeUpgrade(e, t, r, i, n, o, l) { if (!n.readable || !n.writable) return n.destroy(); if (n[Ds]) throw new Error( "server.handleUpgrade() was called more than once with the same socket, possibly due to a misconfiguration" ); if (this._state > Ke) return H(n, 503); const a = [ "HTTP/1.1 101 Switching Protocols", "Upgrade: websocket", "Connection: Upgrade", `Sec-WebSocket-Accept: ${Bs("sha1").update(t + Is).digest("base64")}` ], c = new this.options.WebSocket(null); if (r.size) { const h = this.options.handleProtocols ? this.options.handleProtocols(r, i) : r.values().next().value; h && (a.push(`Sec-WebSocket-Protocol: ${h}`), c._protocol = h); } if (e[N.extensionName]) { const h = e[N.extensionName].params, p = qe.format({ [N.extensionName]: [h] }); a.push(`Sec-WebSocket-Extensions: ${p}`), c._extensions = e; } this.emit("headers", a, i), n.write(a.concat(`\r `).join(`\r `)), n.removeListener("error", Ze), c.setSocket(n, o, { maxPayload: this.options.maxPayload, skipUTF8Validation: this.options.skipUTF8Validation }), this.clients && (this.clients.add(c), c.on("close", () => { this.clients.delete(c), this._shouldEmitClose && !this.clients.size && process.nextTick(G, this); })), l(c, i); } } var Fs = As; function js(s, e) { for (const t of Object.keys(e)) s.on(t, e[t]); return function() { for (const r of Object.keys(e)) s.removeListener(r, e[r]); }; } function G(s) { s._state = pt, s.emit("close"); } function Ze() { this.destroy(); } function H(s, e, t, r) { t = t || ie.STATUS_CODES[e], r = { Connection: "close", "Content-Type": "text/html", "Content-Length": Buffer.byteLength(t), ...r }, s.once("finish", s.destroy), s.end( `HTTP/1.1 ${e} ${ie.STATUS_CODES[e]}\r ` + Object.keys(r).map((i) => `${i}: ${r[i]}`).join(`\r `) + `\r \r ` + t ); } function R(s, e, t, r, i) { if (s.listenerCount("wsClientError")) { const n = new Error(i); Error.captureStackTrace(n, R), s.emit("wsClientError", n, t, e); } else H(t, r, i); } const Zs = /* @__PURE__ */ z(Fs); export { qs as Receiver, Ks as Sender, Xs as WebSocket, Zs as WebSocketServer, Vs as createWebSocketStream, Xs as default };