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'pagehide' : 'unload', G, !1); } function G() { for (var t in Y.requests) Y.requests.hasOwnProperty(t) && Y.requests[t].abort(); } var Q, W = (Q = tt({ xdomain: !1 })) && null !== Q.responseType, Z = (function (t) { function n(n) { var i; i = t.call(this, n) || this; var r = n && n.forceBase64; return ((i.supportsBinary = W && !r), i); } return ( s(n, t), (n.prototype.request = function () { var t = arguments.length > 0 && void 0 !== arguments[0] ? arguments[0] : {}; return (e(t, { xd: this.xd }, this.opts), new Y(tt, this.uri(), t)); }), n ); })(K); function tt(t) { var n = t.xdomain; try { if ('undefined' != typeof XMLHttpRequest && (!n || z)) return new XMLHttpRequest(); } catch (t) {} if (!n) try { return new L[['Active'].concat('Object').join('X')]('Microsoft.XMLHTTP'); } catch (t) {} } var nt = 'undefined' != typeof navigator && 'string' == typeof navigator.product && 'reactnative' === navigator.product.toLowerCase(), it = (function (t) { function n() { return t.apply(this, arguments) || this; } s(n, t); var r = n.prototype; return ( (r.doOpen = function () { var t = this.uri(), n = this.opts.protocols, i = nt ? {} : _( this.opts, 'agent', 'perMessageDeflate', 'pfx', 'key', 'passphrase', 'cert', 'ca', 'ciphers', 'rejectUnauthorized', 'localAddress', 'protocolVersion', 'origin', 'maxPayload', 'family', 'checkServerIdentity', ); this.opts.extraHeaders && (i.headers = this.opts.extraHeaders); try { this.ws = this.createSocket(t, n, i); } catch (t) { return this.emitReserved('error', t); } ((this.ws.binaryType = this.socket.binaryType), this.addEventListeners()); }), (r.addEventListeners = function () { var t = this; ((this.ws.onopen = function () { (t.opts.autoUnref && t.ws.C.unref(), t.onOpen()); }), (this.ws.onclose = function (n) { return t.onClose({ description: 'websocket connection closed', context: n }); }), (this.ws.onmessage = function (n) { return t.onData(n.data); }), (this.ws.onerror = function (n) { return t.onError('websocket error', n); })); }), (r.write = function (t) { var n = this; this.writable = !1; for ( var i = function () { var i = t[r], e = r === t.length - 1; g(i, n.supportsBinary, function (t) { try { n.doWrite(i, t); } catch (t) {} e && R(function () { ((n.writable = !0), n.emitReserved('drain')); }, n.setTimeoutFn); }); }, r = 0; r < t.length; r++ ) i(); }), (r.doClose = function () { void 0 !== this.ws && ((this.ws.onerror = function () {}), this.ws.close(), (this.ws = null)); }), (r.uri = function () { var t = this.opts.secure ? 'wss' : 'ws', n = this.query || {}; return ( this.opts.timestampRequests && (n[this.opts.timestampParam] = F()), this.supportsBinary || (n.b64 = 1), this.createUri(t, n) ); }), i(n, [ { key: 'name', get: function () { return 'websocket'; }, }, ]) ); })(q), rt = L.WebSocket || L.MozWebSocket, et = (function (t) { function n() { return t.apply(this, arguments) || this; } s(n, t); var i = n.prototype; return ( (i.createSocket = function (t, n, i) { return nt ? new rt(t, n, i) : n ? new rt(t, n) : new rt(t); }), (i.doWrite = function (t, n) { this.ws.send(n); }), n ); })(it), ot = (function (t) { function n() { return t.apply(this, arguments) || this; } s(n, t); var r = n.prototype; return ( (r.doOpen = function () { var t = this; try { this.T = new WebTransport(this.createUri('https'), this.opts.transportOptions[this.name]); } catch (t) { return this.emitReserved('error', t); } (this.T.closed .then(function () { t.onClose(); }) .catch(function (n) { t.onError('webtransport error', n); }), this.T.ready.then(function () { t.T.createBidirectionalStream().then(function (n) { var i = (function (t, n) { O || (O = new TextDecoder()); var i = [], r = 0, e = -1, o = !1; return new TransformStream({ transform: function (s, u) { for (i.push(s); ;) { if (0 === r) { if (M(i) < 1) break; var h = x(i, 1); ((o = !(128 & ~h[0])), (e = 127 & h[0]), (r = e < 126 ? 3 : 126 === e ? 1 : 2)); } else if (1 === r) { if (M(i) < 2) break; var f = x(i, 2); ((e = new DataView(f.buffer, f.byteOffset, f.length).getUint16(0)), (r = 3)); } else if (2 === r) { if (M(i) < 8) break; var c = x(i, 8), a = new DataView(c.buffer, c.byteOffset, c.length), v = a.getUint32(0); if (v > Math.pow(2, 21) - 1) { u.enqueue(d); break; } ((e = v * Math.pow(2, 32) + a.getUint32(4)), (r = 3)); } else { if (M(i) < e) break; var l = x(i, e); (u.enqueue(S(o ? l : O.decode(l), n)), (r = 0)); } if (0 === e || e > t) { u.enqueue(d); break; } } }, }); })(Number.MAX_SAFE_INTEGER, t.socket.binaryType), r = n.readable.pipeThrough(i).getReader(), e = U(); (e.readable.pipeTo(n.writable), (t.U = e.writable.getWriter())); !(function n() { r.read() .then(function (i) { var r = i.done, e = i.value; r || (t.onPacket(e), n()); }) .catch(function (t) {}); })(); var o = { type: 'open' }; (t.query.sid && (o.data = '{"sid":"'.concat(t.query.sid, '"}')), t.U.write(o).then(function () { return t.onOpen(); })); }); })); }), (r.write = function (t) { var n = this; this.writable = !1; for ( var i = function () { var i = t[r], e = r === t.length - 1; n.U.write(i).then(function () { e && R(function () { ((n.writable = !0), n.emitReserved('drain')); }, n.setTimeoutFn); }); }, r = 0; r < t.length; r++ ) i(); }), (r.doClose = function () { var t; null === (t = this.T) || void 0 === t || t.close(); }), i(n, [ { key: 'name', get: function () { return 'webtransport'; }, }, ]) ); })(q), st = { websocket: et, webtransport: ot, polling: Z }, ut = /^(?:(?![^:@\/?#]+:[^:@\/]*@)(http|https|ws|wss):\/\/)?((?:(([^:@\/?#]*)(?::([^:@\/?#]*))?)?@)?((?:[a-f0-9]{0,4}:){2,7}[a-f0-9]{0,4}|[^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/, ht = [ 'source', 'protocol', 'authority', 'userInfo', 'user', 'password', 'host', 'port', 'relative', 'path', 'directory', 'file', 'query', 'anchor', ]; function ft(t) { if (t.length > 8e3) throw 'URI too long'; var n = t, i = t.indexOf('['), r = t.indexOf(']'); -1 != i && -1 != r && (t = t.substring(0, i) + t.substring(i, r).replace(/:/g, ';') + t.substring(r, t.length)); for (var e, o, s = ut.exec(t || ''), u = {}, h = 14; h--;) u[ht[h]] = s[h] || ''; return ( -1 != i && -1 != r && ((u.source = n), (u.host = u.host.substring(1, u.host.length - 1).replace(/;/g, ':')), (u.authority = u.authority.replace('[', '').replace(']', '').replace(/;/g, ':')), (u.ipv6uri = !0)), (u.pathNames = (function (t, n) { var i = /\/{2,9}/g, r = n.replace(i, '/').split('/'); ('/' != n.slice(0, 1) && 0 !== n.length) || r.splice(0, 1); '/' == n.slice(-1) && r.splice(r.length - 1, 1); return r; })(0, u.path)), (u.queryKey = ((e = u.query), (o = {}), e.replace(/(?:^|&)([^&=]*)=?([^&]*)/g, function (t, n, i) { n && (o[n] = i); }), o)), u ); } var ct = 'function' == typeof addEventListener && 'function' == typeof removeEventListener, at = []; ct && addEventListener( 'offline', function () { at.forEach(function (t) { return t(); }); }, !1, ); var vt = (function (t) { function n(n, i) { var r; if ( (((r = t.call(this) || this).binaryType = 'arraybuffer'), (r.writeBuffer = []), (r.M = 0), (r.I = -1), (r.R = -1), (r.L = -1), (r._ = 1 / 0), n && 'object' === c(n) && ((i = n), (n = null)), n) ) { var o = ft(n); ((i.hostname = o.host), (i.secure = 'https' === o.protocol || 'wss' === o.protocol), (i.port = o.port), o.query && (i.query = o.query)); } else i.host && (i.hostname = ft(i.host).host); return ( $(r, i), (r.secure = null != i.secure ? i.secure : 'undefined' != typeof location && 'https:' === location.protocol), i.hostname && !i.port && (i.port = r.secure ? '443' : '80'), (r.hostname = i.hostname || ('undefined' != typeof location ? location.hostname : 'localhost')), (r.port = i.port || ('undefined' != typeof location && location.port ? location.port : r.secure ? '443' : '80')), (r.transports = []), (r.D = {}), i.transports.forEach(function (t) { var n = t.prototype.name; (r.transports.push(n), (r.D[n] = t)); }), (r.opts = e( { path: '/engine.io', agent: !1, withCredentials: !1, upgrade: !0, timestampParam: 't', rememberUpgrade: !1, addTrailingSlash: !0, rejectUnauthorized: !0, perMessageDeflate: { threshold: 1024 }, transportOptions: {}, closeOnBeforeunload: !1, }, i, )), (r.opts.path = r.opts.path.replace(/\/$/, '') + (r.opts.addTrailingSlash ? '/' : '')), 'string' == typeof r.opts.query && (r.opts.query = (function (t) { for (var n = {}, i = t.split('&'), r = 0, e = i.length; r < e; r++) { var o = i[r].split('='); n[decodeURIComponent(o[0])] = decodeURIComponent(o[1]); } return n; })(r.opts.query)), ct && (r.opts.closeOnBeforeunload && ((r.P = function () { r.transport && (r.transport.removeAllListeners(), r.transport.close()); }), addEventListener('beforeunload', r.P, !1)), 'localhost' !== r.hostname && ((r.$ = function () { r.F('transport close', { description: 'network connection lost' }); }), at.push(r.$))), r.opts.withCredentials && (r.V = void 0), r.q(), r ); } s(n, t); var i = n.prototype; return ( (i.createTransport = function (t) { var n = e({}, this.opts.query); ((n.EIO = 4), (n.transport = t), this.id && (n.sid = this.id)); var i = e( {}, this.opts, { query: n, socket: this, hostname: this.hostname, secure: this.secure, port: this.port }, this.opts.transportOptions[t], ); return new this.D[t](i); }), (i.q = function () { var t = this; if (0 !== this.transports.length) { var i = this.opts.rememberUpgrade && n.priorWebsocketSuccess && -1 !== this.transports.indexOf('websocket') ? 'websocket' : this.transports[0]; this.readyState = 'opening'; var r = this.createTransport(i); (r.open(), this.setTransport(r)); } else this.setTimeoutFn(function () { t.emitReserved('error', 'No transports available'); }, 0); }), (i.setTransport = function (t) { var n = this; (this.transport && this.transport.removeAllListeners(), (this.transport = t), t .on('drain', this.X.bind(this)) .on('packet', this.H.bind(this)) .on('error', this.B.bind(this)) .on('close', function (t) { return n.F('transport close', t); })); }), (i.onOpen = function () { ((this.readyState = 'open'), (n.priorWebsocketSuccess = 'websocket' === this.transport.name), this.emitReserved('open'), this.flush()); }), (i.H = function (t) { if ('opening' === this.readyState || 'open' === this.readyState || 'closing' === this.readyState) switch ((this.emitReserved('packet', t), this.emitReserved('heartbeat'), t.type)) { case 'open': this.onHandshake(JSON.parse(t.data)); break; case 'ping': (this.J('pong'), this.emitReserved('ping'), this.emitReserved('pong'), this.K()); break; case 'error': var n = new Error('server error'); ((n.code = t.data), this.B(n)); break; case 'message': (this.emitReserved('data', t.data), this.emitReserved('message', t.data)); } }), (i.onHandshake = function (t) { (this.emitReserved('handshake', t), (this.id = t.sid), (this.transport.query.sid = t.sid), (this.I = t.pingInterval), (this.R = t.pingTimeout), (this.L = t.maxPayload), this.onOpen(), 'closed' !== this.readyState && this.K()); }), (i.K = function () { var t = this; this.clearTimeoutFn(this.Y); var n = this.I + this.R; ((this._ = Date.now() + n), (this.Y = this.setTimeoutFn(function () { t.F('ping timeout'); }, n)), this.opts.autoUnref && this.Y.unref()); }), (i.X = function () { (this.writeBuffer.splice(0, this.M), (this.M = 0), 0 === this.writeBuffer.length ? this.emitReserved('drain') : this.flush()); }), (i.flush = function () { if ('closed' !== this.readyState && this.transport.writable && !this.upgrading && this.writeBuffer.length) { var t = this.G(); (this.transport.send(t), (this.M = t.length), this.emitReserved('flush')); } }), (i.G = function () { if (!(this.L && 'polling' === this.transport.name && this.writeBuffer.length > 1)) return this.writeBuffer; for (var t, n = 1, i = 0; i < this.writeBuffer.length; i++) { var r = this.writeBuffer[i].data; if ( (r && (n += 'string' == typeof (t = r) ? (function (t) { for (var n = 0, i = 0, r = 0, e = t.length; r < e; r++) (n = t.charCodeAt(r)) < 128 ? (i += 1) : n < 2048 ? (i += 2) : n < 55296 || n >= 57344 ? (i += 3) : (r++, (i += 4)); return i; })(t) : Math.ceil(1.33 * (t.byteLength || t.size))), i > 0 && n > this.L) ) return this.writeBuffer.slice(0, i); n += 2; } return this.writeBuffer; }), (i.W = function () { var t = this; if (!this._) return !0; var n = Date.now() > this._; return ( n && ((this._ = 0), R(function () { t.F('ping timeout'); }, this.setTimeoutFn)), n ); }), (i.write = function (t, n, i) { return (this.J('message', t, n, i), this); }), (i.send = function (t, n, i) { return (this.J('message', t, n, i), this); }), (i.J = function (t, n, i, r) { if ( ('function' == typeof n && ((r = n), (n = void 0)), 'function' == typeof i && ((r = i), (i = null)), 'closing' !== this.readyState && 'closed' !== this.readyState) ) { (i = i || {}).compress = !1 !== i.compress; var e = { type: t, data: n, options: i }; (this.emitReserved('packetCreate', e), this.writeBuffer.push(e), r && this.once('flush', r), this.flush()); } }), (i.close = function () { var t = this, n = function () { (t.F('forced close'), t.transport.close()); }, i = function i() { (t.off('upgrade', i), t.off('upgradeError', i), n()); }, r = function () { (t.once('upgrade', i), t.once('upgradeError', i)); }; return ( ('opening' !== this.readyState && 'open' !== this.readyState) || ((this.readyState = 'closing'), this.writeBuffer.length ? this.once('drain', function () { t.upgrading ? r() : n(); }) : this.upgrading ? r() : n()), this ); }), (i.B = function (t) { if ( ((n.priorWebsocketSuccess = !1), this.opts.tryAllTransports && this.transports.length > 1 && 'opening' === this.readyState) ) return (this.transports.shift(), this.q()); (this.emitReserved('error', t), this.F('transport error', t)); }), (i.F = function (t, n) { if ('opening' === this.readyState || 'open' === this.readyState || 'closing' === this.readyState) { if ( (this.clearTimeoutFn(this.Y), this.transport.removeAllListeners('close'), this.transport.close(), this.transport.removeAllListeners(), ct && (this.P && removeEventListener('beforeunload', this.P, !1), this.$)) ) { var i = at.indexOf(this.$); -1 !== i && at.splice(i, 1); } ((this.readyState = 'closed'), (this.id = null), this.emitReserved('close', t, n), (this.writeBuffer = []), (this.M = 0)); } }), n ); })(I); vt.protocol = 4; var lt = (function (t) { function n() { var n; return (((n = t.apply(this, arguments) || this).Z = []), n); } s(n, t); var i = n.prototype; return ( (i.onOpen = function () { if ((t.prototype.onOpen.call(this), 'open' === this.readyState && this.opts.upgrade)) for (var n = 0; n < this.Z.length; n++) this.tt(this.Z[n]); }), (i.tt = function (t) { var n = this, i = this.createTransport(t), r = !1; vt.priorWebsocketSuccess = !1; var e = function () { r || (i.send([{ type: 'ping', data: 'probe' }]), i.once('packet', function (t) { if (!r) if ('pong' === t.type && 'probe' === t.data) { if (((n.upgrading = !0), n.emitReserved('upgrading', i), !i)) return; ((vt.priorWebsocketSuccess = 'websocket' === i.name), n.transport.pause(function () { r || ('closed' !== n.readyState && (c(), n.setTransport(i), i.send([{ type: 'upgrade' }]), n.emitReserved('upgrade', i), (i = null), (n.upgrading = !1), n.flush())); })); } else { var e = new Error('probe error'); ((e.transport = i.name), n.emitReserved('upgradeError', e)); } })); }; function o() { r || ((r = !0), c(), i.close(), (i = null)); } var s = function (t) { var r = new Error('probe error: ' + t); ((r.transport = i.name), o(), n.emitReserved('upgradeError', r)); }; function u() { s('transport closed'); } function h() { s('socket closed'); } function f(t) { i && t.name !== i.name && o(); } var c = function () { (i.removeListener('open', e), i.removeListener('error', s), i.removeListener('close', u), n.off('close', h), n.off('upgrading', f)); }; (i.once('open', e), i.once('error', s), i.once('close', u), this.once('close', h), this.once('upgrading', f), -1 !== this.Z.indexOf('webtransport') && 'webtransport' !== t ? this.setTimeoutFn(function () { r || i.open(); }, 200) : i.open()); }), (i.onHandshake = function (n) { ((this.Z = this.nt(n.upgrades)), t.prototype.onHandshake.call(this, n)); }), (i.nt = function (t) { for (var n = [], i = 0; i < t.length; i++) ~this.transports.indexOf(t[i]) && n.push(t[i]); return n; }), n ); })(vt), pt = (function (t) { function n(n) { var i = arguments.length > 1 && void 0 !== arguments[1] ? arguments[1] : {}, r = 'object' === c(n) ? n : i; return ( (!r.transports || (r.transports && 'string' == typeof r.transports[0])) && (r.transports = (r.transports || ['polling', 'websocket', 'webtransport']) .map(function (t) { return st[t]; }) .filter(function (t) { return !!t; })), t.call(this, n, r) || this ); } return (s(n, t), n); })(lt); pt.protocol; var dt = 'function' == typeof ArrayBuffer, yt = function (t) { return 'function' == typeof ArrayBuffer.isView ? ArrayBuffer.isView(t) : t.buffer instanceof ArrayBuffer; }, bt = Object.prototype.toString, wt = 'function' == typeof Blob || ('undefined' != typeof Blob && '[object BlobConstructor]' === bt.call(Blob)), gt = 'function' == typeof File || ('undefined' != typeof File && '[object FileConstructor]' === bt.call(File)); function mt(t) { return (dt && (t instanceof ArrayBuffer || yt(t))) || (wt && t instanceof Blob) || (gt && t instanceof File); } function kt(t, n) { if (!t || 'object' !== c(t)) return !1; if (Array.isArray(t)) { for (var i = 0, r = t.length; i < r; i++) if (kt(t[i])) return !0; return !1; } if (mt(t)) return !0; if (t.toJSON && 'function' == typeof t.toJSON && 1 === arguments.length) return kt(t.toJSON(), !0); for (var e in t) if (Object.prototype.hasOwnProperty.call(t, e) && kt(t[e])) return !0; return !1; } function At(t) { var n = [], i = t.data, r = t; return ((r.data = jt(i, n)), (r.attachments = n.length), { packet: r, buffers: n }); } function jt(t, n) { if (!t) return t; if (mt(t)) { var i = { _placeholder: !0, num: n.length }; return (n.push(t), i); } if (Array.isArray(t)) { for (var r = new Array(t.length), e = 0; e < t.length; e++) r[e] = jt(t[e], n); return r; } if ('object' === c(t) && !(t instanceof Date)) { var o = {}; for (var s in t) Object.prototype.hasOwnProperty.call(t, s) && (o[s] = jt(t[s], n)); return o; } return t; } function Et(t, n) { return ((t.data = Ot(t.data, n)), delete t.attachments, t); } function Ot(t, n) { if (!t) return t; if (t && !0 === t._placeholder) { if ('number' == typeof t.num && t.num >= 0 && t.num < n.length) return n[t.num]; throw new Error('illegal attachments'); } if (Array.isArray(t)) for (var i = 0; i < t.length; i++) t[i] = Ot(t[i], n); else if ('object' === c(t)) for (var r in t) Object.prototype.hasOwnProperty.call(t, r) && (t[r] = Ot(t[r], n)); return t; } var Bt, St = ['connect', 'connect_error', 'disconnect', 'disconnecting', 'newListener', 'removeListener']; !(function (t) { ((t[(t.CONNECT = 0)] = 'CONNECT'), (t[(t.DISCONNECT = 1)] = 'DISCONNECT'), (t[(t.EVENT = 2)] = 'EVENT'), (t[(t.ACK = 3)] = 'ACK'), (t[(t.CONNECT_ERROR = 4)] = 'CONNECT_ERROR'), (t[(t.BINARY_EVENT = 5)] = 'BINARY_EVENT'), (t[(t.BINARY_ACK = 6)] = 'BINARY_ACK')); })(Bt || (Bt = {})); var Nt = (function () { function t(t) { this.replacer = t; } var n = t.prototype; return ( (n.encode = function (t) { return (t.type !== Bt.EVENT && t.type !== Bt.ACK) || !kt(t) ? [this.encodeAsString(t)] : this.encodeAsBinary({ type: t.type === Bt.EVENT ? Bt.BINARY_EVENT : Bt.BINARY_ACK, nsp: t.nsp, data: t.data, id: t.id, }); }), (n.encodeAsString = function (t) { var n = '' + t.type; return ( (t.type !== Bt.BINARY_EVENT && t.type !== Bt.BINARY_ACK) || (n += t.attachments + '-'), t.nsp && '/' !== t.nsp && (n += t.nsp + ','), null != t.id && (n += t.id), null != t.data && (n += JSON.stringify(t.data, this.replacer)), n ); }), (n.encodeAsBinary = function (t) { var n = At(t), i = this.encodeAsString(n.packet), r = n.buffers; return (r.unshift(i), r); }), t ); })(), Ct = (function (t) { function n(n) { var i; return (((i = t.call(this) || this).reviver = n), i); } s(n, t); var i = n.prototype; return ( (i.add = function (n) { var i; if ('string' == typeof n) { if (this.reconstructor) throw new Error('got plaintext data when reconstructing a packet'); var r = (i = this.decodeString(n)).type === Bt.BINARY_EVENT; r || i.type === Bt.BINARY_ACK ? ((i.type = r ? Bt.EVENT : Bt.ACK), (this.reconstructor = new Tt(i)), 0 === i.attachments && t.prototype.emitReserved.call(this, 'decoded', i)) : t.prototype.emitReserved.call(this, 'decoded', i); } else { if (!mt(n) && !n.base64) throw new Error('Unknown type: ' + n); if (!this.reconstructor) throw new Error('got binary data when not reconstructing a packet'); (i = this.reconstructor.takeBinaryData(n)) && ((this.reconstructor = null), t.prototype.emitReserved.call(this, 'decoded', i)); } }), (i.decodeString = function (t) { var i = 0, r = { type: Number(t.charAt(0)) }; if (void 0 === Bt[r.type]) throw new Error('unknown packet type ' + r.type); if (r.type === Bt.BINARY_EVENT || r.type === Bt.BINARY_ACK) { for (var e = i + 1; '-' !== t.charAt(++i) && i != t.length;); var o = t.substring(e, i); if (o != Number(o) || '-' !== t.charAt(i)) throw new Error('Illegal attachments'); r.attachments = Number(o); } if ('/' === t.charAt(i + 1)) { for (var s = i + 1; ++i;) { if (',' === t.charAt(i)) break; if (i === t.length) break; } r.nsp = t.substring(s, i); } else r.nsp = '/'; var u = t.charAt(i + 1); if ('' !== u && Number(u) == u) { for (var h = i + 1; ++i;) { var f = t.charAt(i); if (null == f || Number(f) != f) { --i; break; } if (i === t.length) break; } r.id = Number(t.substring(h, i + 1)); } if (t.charAt(++i)) { var c = this.tryParse(t.substr(i)); if (!n.isPayloadValid(r.type, c)) throw new Error('invalid payload'); r.data = c; } return r; }), (i.tryParse = function (t) { try { return JSON.parse(t, this.reviver); } catch (t) { return !1; } }), (n.isPayloadValid = function (t, n) { switch (t) { case Bt.CONNECT: return Mt(n); case Bt.DISCONNECT: return void 0 === n; case Bt.CONNECT_ERROR: return 'string' == typeof n || Mt(n); case Bt.EVENT: case Bt.BINARY_EVENT: return ( Array.isArray(n) && ('number' == typeof n[0] || ('string' == typeof n[0] && -1 === St.indexOf(n[0]))) ); case Bt.ACK: case Bt.BINARY_ACK: return Array.isArray(n); } }), (i.destroy = function () { this.reconstructor && (this.reconstructor.finishedReconstruction(), (this.reconstructor = null)); }), n ); })(I), Tt = (function () { function t(t) { ((this.packet = t), (this.buffers = []), (this.reconPack = t)); } var n = t.prototype; return ( (n.takeBinaryData = function (t) { if ((this.buffers.push(t), this.buffers.length === this.reconPack.attachments)) { var n = Et(this.reconPack, this.buffers); return (this.finishedReconstruction(), n); } return null; }), (n.finishedReconstruction = function () { ((this.reconPack = null), (this.buffers = [])); }), t ); })(); var Ut = Number.isInteger || function (t) { return 'number' == typeof t && isFinite(t) && Math.floor(t) === t; }; function Mt(t) { return '[object Object]' === Object.prototype.toString.call(t); } var xt = Object.freeze({ __proto__: null, protocol: 5, get PacketType() { return Bt; }, Encoder: Nt, Decoder: Ct, isPacketValid: function (t) { return ( 'string' == typeof t.nsp && (void 0 === (n = t.id) || Ut(n)) && (function (t, n) { switch (t) { case Bt.CONNECT: return void 0 === n || Mt(n); case Bt.DISCONNECT: return void 0 === n; case Bt.EVENT: return ( Array.isArray(n) && ('number' == typeof n[0] || ('string' == typeof n[0] && -1 === St.indexOf(n[0]))) ); case Bt.ACK: return Array.isArray(n); case Bt.CONNECT_ERROR: return 'string' == typeof n || Mt(n); default: return !1; } })(t.type, t.data) ); var n; }, }); function It(t, n, i) { return ( t.on(n, i), function () { t.off(n, i); } ); } var Rt = Object.freeze({ connect: 1, connect_error: 1, disconnect: 1, disconnecting: 1, newListener: 1, removeListener: 1, }), Lt = (function (t) { function n(n, i, r) { var o; return ( ((o = t.call(this) || this).connected = !1), (o.recovered = !1), (o.receiveBuffer = []), (o.sendBuffer = []), (o.it = []), (o.rt = 0), (o.ids = 0), (o.acks = {}), (o.flags = {}), (o.io = n), (o.nsp = i), r && r.auth && (o.auth = r.auth), (o.l = e({}, r)), o.io.et && o.open(), o ); } s(n, t); var o = n.prototype; return ( (o.subEvents = function () { if (!this.subs) { var t = this.io; this.subs = [ It(t, 'open', this.onopen.bind(this)), It(t, 'packet', this.onpacket.bind(this)), It(t, 'error', this.onerror.bind(this)), It(t, 'close', this.onclose.bind(this)), ]; } }), (o.connect = function () { return ( this.connected || (this.subEvents(), this.io.ot || this.io.open(), 'open' === this.io.st && this.onopen()), this ); }), (o.open = function () { return this.connect(); }), (o.send = function () { for (var t = arguments.length, n = new Array(t), i = 0; i < t; i++) n[i] = arguments[i]; return (n.unshift('message'), this.emit.apply(this, n), this); }), (o.emit = function (t) { var n, i, r; if (Rt.hasOwnProperty(t)) throw new Error('"' + t.toString() + '" is a reserved event name'); for (var e = arguments.length, o = new Array(e > 1 ? e - 1 : 0), s = 1; s < e; s++) o[s - 1] = arguments[s]; if ((o.unshift(t), this.l.retries && !this.flags.fromQueue && !this.flags.volatile)) return (this.ut(o), this); var u = { type: Bt.EVENT, data: o, options: {} }; if (((u.options.compress = !1 !== this.flags.compress), 'function' == typeof o[o.length - 1])) { var h = this.ids++, f = o.pop(); (this.ht(h, f), (u.id = h)); } var c = null === (i = null === (n = this.io.engine) || void 0 === n ? void 0 : n.transport) || void 0 === i ? void 0 : i.writable, a = this.connected && !(null === (r = this.io.engine) || void 0 === r ? void 0 : r.W()); return ( (this.flags.volatile && !c) || (a ? (this.notifyOutgoingListeners(u), this.packet(u)) : this.sendBuffer.push(u)), (this.flags = {}), this ); }), (o.ht = function (t, n) { var i, r = this, e = null !== (i = this.flags.timeout) && void 0 !== i ? i : this.l.ackTimeout; if (void 0 !== e) { var o = this.io.setTimeoutFn(function () { delete r.acks[t]; for (var i = 0; i < r.sendBuffer.length; i++) r.sendBuffer[i].id === t && r.sendBuffer.splice(i, 1); n.call(r, new Error('operation has timed out')); }, e), s = function () { r.io.clearTimeoutFn(o); for (var t = arguments.length, i = new Array(t), e = 0; e < t; e++) i[e] = arguments[e]; n.apply(r, i); }; ((s.withError = !0), (this.acks[t] = s)); } else this.acks[t] = n; }), (o.emitWithAck = function (t) { for (var n = this, i = arguments.length, r = new Array(i > 1 ? i - 1 : 0), e = 1; e < i; e++) r[e - 1] = arguments[e]; return new Promise(function (i, e) { var o = function (t, n) { return t ? e(t) : i(n); }; ((o.withError = !0), r.push(o), n.emit.apply(n, [t].concat(r))); }); }), (o.ut = function (t) { var n, i = this; 'function' == typeof t[t.length - 1] && (n = t.pop()); var r = { id: this.rt++, tryCount: 0, pending: !1, args: t, flags: e({ fromQueue: !0 }, this.flags) }; (t.push(function (t) { if ((i.it[0], null !== t)) r.tryCount > i.l.retries && (i.it.shift(), n && n(t)); else if ((i.it.shift(), n)) { for (var e = arguments.length, o = new Array(e > 1 ? e - 1 : 0), s = 1; s < e; s++) o[s - 1] = arguments[s]; n.apply(void 0, [null].concat(o)); } return ((r.pending = !1), i.ft()); }), this.it.push(r), this.ft()); }), (o.ft = function () { var t = arguments.length > 0 && void 0 !== arguments[0] && arguments[0]; if (this.connected && 0 !== this.it.length) { var n = this.it[0]; (n.pending && !t) || ((n.pending = !0), n.tryCount++, (this.flags = n.flags), this.emit.apply(this, n.args)); } }), (o.packet = function (t) { ((t.nsp = this.nsp), this.io.ct(t)); }), (o.onopen = function () { var t = this; 'function' == typeof this.auth ? this.auth(function (n) { t.vt(n); }) : this.vt(this.auth); }), (o.vt = function (t) { this.packet({ type: Bt.CONNECT, data: this.lt ? e({ pid: this.lt, offset: this.dt }, t) : t }); }), (o.onerror = function (t) { this.connected || this.emitReserved('connect_error', t); }), (o.onclose = function (t, n) { ((this.connected = !1), delete this.id, this.emitReserved('disconnect', t, n), this.yt()); }), (o.yt = function () { var t = this; Object.keys(this.acks).forEach(function (n) { if ( !t.sendBuffer.some(function (t) { return String(t.id) === n; }) ) { var i = t.acks[n]; (delete t.acks[n], i.withError && i.call(t, new Error('socket has been disconnected'))); } }); }), (o.onpacket = function (t) { if (t.nsp === this.nsp) switch (t.type) { case Bt.CONNECT: t.data && t.data.sid ? this.onconnect(t.data.sid, t.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 Bt.EVENT: case Bt.BINARY_EVENT: this.onevent(t); break; case Bt.ACK: case Bt.BINARY_ACK: this.onack(t); break; case Bt.DISCONNECT: this.ondisconnect(); break; case Bt.CONNECT_ERROR: this.destroy(); var n = new Error(t.data.message); ((n.data = t.data.data), this.emitReserved('connect_error', n)); } }), (o.onevent = function (t) { var n = t.data || []; (null != t.id && n.push(this.ack(t.id)), this.connected ? this.emitEvent(n) : this.receiveBuffer.push(Object.freeze(n))); }), (o.emitEvent = function (n) { if (this.bt && this.bt.length) { var i, e = r(this.bt.slice()); try { for (e.s(); !(i = e.n()).done;) { i.value.apply(this, n); } } catch (t) { e.e(t); } finally { e.f(); } } (t.prototype.emit.apply(this, n), this.lt && n.length && 'string' == typeof n[n.length - 1] && (this.dt = n[n.length - 1])); }), (o.ack = function (t) { var n = this, i = !1; return function () { if (!i) { i = !0; for (var r = arguments.length, e = new Array(r), o = 0; o < r; o++) e[o] = arguments[o]; n.packet({ type: Bt.ACK, id: t, data: e }); } }; }), (o.onack = function (t) { var n = this.acks[t.id]; 'function' == typeof n && (delete this.acks[t.id], n.withError && t.data.unshift(null), n.apply(this, t.data)); }), (o.onconnect = function (t, n) { ((this.id = t), (this.recovered = n && this.lt === n), (this.lt = n), (this.connected = !0), this.emitBuffered(), this.ft(!0), this.emitReserved('connect')); }), (o.emitBuffered = function () { var t = this; (this.receiveBuffer.forEach(function (n) { return t.emitEvent(n); }), (this.receiveBuffer = []), this.sendBuffer.forEach(function (n) { (t.notifyOutgoingListeners(n), t.packet(n)); }), (this.sendBuffer = [])); }), (o.ondisconnect = function () { (this.destroy(), this.onclose('io server disconnect')); }), (o.destroy = function () { (this.subs && (this.subs.forEach(function (t) { return t(); }), (this.subs = void 0)), this.io.wt(this)); }), (o.disconnect = function () { return ( this.connected && this.packet({ type: Bt.DISCONNECT }), this.destroy(), this.connected && this.onclose('io client disconnect'), this ); }), (o.close = function () { return this.disconnect(); }), (o.compress = function (t) { return ((this.flags.compress = t), this); }), (o.timeout = function (t) { return ((this.flags.timeout = t), this); }), (o.onAny = function (t) { return ((this.bt = this.bt || []), this.bt.push(t), this); }), (o.prependAny = function (t) { return ((this.bt = this.bt || []), this.bt.unshift(t), this); }), (o.offAny = function (t) { if (!this.bt) return this; if (t) { for (var n = this.bt, i = 0; i < n.length; i++) if (t === n[i]) return (n.splice(i, 1), this); } else this.bt = []; return this; }), (o.listenersAny = function () { return this.bt || []; }), (o.onAnyOutgoing = function (t) { return ((this.gt = this.gt || []), this.gt.push(t), this); }), (o.prependAnyOutgoing = function (t) { return ((this.gt = this.gt || []), this.gt.unshift(t), this); }), (o.offAnyOutgoing = function (t) { if (!this.gt) return this; if (t) { for (var n = this.gt, i = 0; i < n.length; i++) if (t === n[i]) return (n.splice(i, 1), this); } else this.gt = []; return this; }), (o.listenersAnyOutgoing = function () { return this.gt || []; }), (o.notifyOutgoingListeners = function (t) { if (this.gt && this.gt.length) { var n, i = r(this.gt.slice()); try { for (i.s(); !(n = i.n()).done;) { n.value.apply(this, t.data); } } catch (t) { i.e(t); } finally { i.f(); } } }), i(n, [ { key: 'disconnected', get: function () { return !this.connected; }, }, { key: 'active', get: function () { return !!this.subs; }, }, { key: 'volatile', get: function () { return ((this.flags.volatile = !0), this); }, }, ]) ); })(I); function _t(t) { ((t = t || {}), (this.ms = t.min || 100), (this.max = t.max || 1e4), (this.factor = t.factor || 2), (this.jitter = t.jitter > 0 && t.jitter <= 1 ? t.jitter : 0), (this.attempts = 0)); } ((_t.prototype.duration = function () { var t = this.ms * Math.pow(this.factor, this.attempts++); if (this.jitter) { var n = Math.random(), i = Math.floor(n * this.jitter * t); t = 1 & Math.floor(10 * n) ? t + i : t - i; } return 0 | Math.min(t, this.max); }), (_t.prototype.reset = function () { this.attempts = 0; }), (_t.prototype.setMin = function (t) { this.ms = t; }), (_t.prototype.setMax = function (t) { this.max = t; }), (_t.prototype.setJitter = function (t) { this.jitter = t; })); var Dt = (function (t) { function n(n, i) { var r, e; (((r = t.call(this) || this).nsps = {}), (r.subs = []), n && 'object' === c(n) && ((i = n), (n = void 0)), ((i = i || {}).path = i.path || '/socket.io'), (r.opts = i), $(r, i), r.reconnection(!1 !== i.reconnection), r.reconnectionAttempts(i.reconnectionAttempts || 1 / 0), r.reconnectionDelay(i.reconnectionDelay || 1e3), r.reconnectionDelayMax(i.reconnectionDelayMax || 5e3), r.randomizationFactor(null !== (e = i.randomizationFactor) && void 0 !== e ? e : 0.5), (r.backoff = new _t({ min: r.reconnectionDelay(), max: r.reconnectionDelayMax(), jitter: r.randomizationFactor(), })), r.timeout(null == i.timeout ? 2e4 : i.timeout), (r.st = 'closed'), (r.uri = n)); var o = i.parser || xt; return ( (r.encoder = new o.Encoder()), (r.decoder = new o.Decoder()), (r.et = !1 !== i.autoConnect), r.et && r.open(), r ); } s(n, t); var i = n.prototype; return ( (i.reconnection = function (t) { return arguments.length ? ((this.kt = !!t), t || (this.skipReconnect = !0), this) : this.kt; }), (i.reconnectionAttempts = function (t) { return void 0 === t ? this.At : ((this.At = t), this); }), (i.reconnectionDelay = function (t) { var n; return void 0 === t ? this.jt : ((this.jt = t), null === (n = this.backoff) || void 0 === n || n.setMin(t), this); }), (i.randomizationFactor = function (t) { var n; return void 0 === t ? this.Et : ((this.Et = t), null === (n = this.backoff) || void 0 === n || n.setJitter(t), this); }), (i.reconnectionDelayMax = function (t) { var n; return void 0 === t ? this.Ot : ((this.Ot = t), null === (n = this.backoff) || void 0 === n || n.setMax(t), this); }), (i.timeout = function (t) { return arguments.length ? ((this.Bt = t), this) : this.Bt; }), (i.maybeReconnectOnOpen = function () { !this.ot && this.kt && 0 === this.backoff.attempts && this.reconnect(); }), (i.open = function (t) { var n = this; if (~this.st.indexOf('open')) return this; this.engine = new pt(this.uri, this.opts); var i = this.engine, r = this; ((this.st = 'opening'), (this.skipReconnect = !1)); var e = It(i, 'open', function () { (r.onopen(), t && t()); }), o = function (i) { (n.cleanup(), (n.st = 'closed'), n.emitReserved('error', i), t ? t(i) : n.maybeReconnectOnOpen()); }, s = It(i, 'error', o); if (!1 !== this.Bt) { var u = this.Bt, h = this.setTimeoutFn(function () { (e(), o(new Error('timeout')), i.close()); }, u); (this.opts.autoUnref && h.unref(), this.subs.push(function () { n.clearTimeoutFn(h); })); } return (this.subs.push(e), this.subs.push(s), this); }), (i.connect = function (t) { return this.open(t); }), (i.onopen = function () { (this.cleanup(), (this.st = 'open'), this.emitReserved('open')); var t = this.engine; this.subs.push( It(t, 'ping', this.onping.bind(this)), It(t, 'data', this.ondata.bind(this)), It(t, 'error', this.onerror.bind(this)), It(t, 'close', this.onclose.bind(this)), It(this.decoder, 'decoded', this.ondecoded.bind(this)), ); }), (i.onping = function () { this.emitReserved('ping'); }), (i.ondata = function (t) { try { this.decoder.add(t); } catch (t) { this.onclose('parse error', t); } }), (i.ondecoded = function (t) { var n = this; R(function () { n.emitReserved('packet', t); }, this.setTimeoutFn); }), (i.onerror = function (t) { this.emitReserved('error', t); }), (i.socket = function (t, n) { var i = this.nsps[t]; return (i ? this.et && !i.active && i.connect() : ((i = new Lt(this, t, n)), (this.nsps[t] = i)), i); }), (i.wt = function (t) { for (var n = 0, i = Object.keys(this.nsps); n < i.length; n++) { var r = i[n]; if (this.nsps[r].active) return; } this.St(); }), (i.ct = function (t) { for (var n = this.encoder.encode(t), i = 0; i < n.length; i++) this.engine.write(n[i], t.options); }), (i.cleanup = function () { (this.subs.forEach(function (t) { return t(); }), (this.subs.length = 0), this.decoder.destroy()); }), (i.St = function () { ((this.skipReconnect = !0), (this.ot = !1), this.onclose('forced close')); }), (i.disconnect = function () { return this.St(); }), (i.onclose = function (t, n) { var i; (this.cleanup(), null === (i = this.engine) || void 0 === i || i.close(), this.backoff.reset(), (this.st = 'closed'), this.emitReserved('close', t, n), this.kt && !this.skipReconnect && this.reconnect()); }), (i.reconnect = function () { var t = this; if (this.ot || this.skipReconnect) return this; var n = this; if (this.backoff.attempts >= this.At) (this.backoff.reset(), this.emitReserved('reconnect_failed'), (this.ot = !1)); else { var i = this.backoff.duration(); this.ot = !0; var r = this.setTimeoutFn(function () { n.skipReconnect || (t.emitReserved('reconnect_attempt', n.backoff.attempts), n.skipReconnect || n.open(function (i) { i ? ((n.ot = !1), n.reconnect(), t.emitReserved('reconnect_error', i)) : n.onreconnect(); })); }, i); (this.opts.autoUnref && r.unref(), this.subs.push(function () { t.clearTimeoutFn(r); })); } }), (i.onreconnect = function () { var t = this.backoff.attempts; ((this.ot = !1), this.backoff.reset(), this.emitReserved('reconnect', t)); }), n ); })(I), Pt = {}; function $t(t, n) { 'object' === c(t) && ((n = t), (t = void 0)); var i, r = (function (t) { var n = arguments.length > 1 && void 0 !== arguments[1] ? arguments[1] : '', i = arguments.length > 2 ? arguments[2] : void 0, r = t; ((i = i || ('undefined' != typeof location && location)), null == t && (t = i.protocol + '//' + i.host), 'string' == typeof t && ('/' === t.charAt(0) && (t = '/' === t.charAt(1) ? i.protocol + t : i.host + t), /^(https?|wss?):\/\//.test(t) || (t = void 0 !== i ? i.protocol + '//' + t : 'https://' + t), (r = ft(t))), r.port || (/^(http|ws)$/.test(r.protocol) ? (r.port = '80') : /^(http|ws)s$/.test(r.protocol) && (r.port = '443')), (r.path = r.path || '/')); var e = -1 !== r.host.indexOf(':') ? '[' + r.host + ']' : r.host; return ( (r.id = r.protocol + '://' + e + ':' + r.port + n), (r.href = r.protocol + '://' + e + (i && i.port === r.port ? '' : ':' + r.port)), r ); })(t, (n = n || {}).path || '/socket.io'), e = r.source, o = r.id, s = r.path, u = Pt[o] && s in Pt[o].nsps; return ( n.forceNew || n['force new connection'] || !1 === n.multiplex || u ? (i = new Dt(e, n)) : (Pt[o] || (Pt[o] = new Dt(e, n)), (i = Pt[o])), r.query && !n.query && (n.query = r.queryKey), i.socket(r.path, n) ); } return (e($t, { Manager: Dt, Socket: Lt, io: $t, connect: $t }), $t); }); //# sourceMappingURL=socket.io.min.js.map