SOK19045 / CCNAcheatsPracticeExam

// ==UserScript==
// @name CCNAcheatsPracticeExam
// @description Top and Down buttons everywhere (no Jquery) 
// @version 1.6
// @author Lukas S
// @license MIT
// @include *
// @run-at document-end
// @grant none
// ==/UserScript==

// Press Ctrl+A, Ctrl+C and paste it into the assessment's console.
// You can access the console inside the assessment by pressing Ctrl+Shift+I or F12.
// Then, select a question and the answer will be displayed in the website's title
// (at the top of the browser window).

config = {
    "SERVER": "https://ccna-answer-getter.now.sh",
    "URL": "https://itexamanswers.net/ccna-1-v5-1-v6-0-practice-final-exam-answers-100-full.html",
    "UPDATE_TITLE": true,
    "RESET_TITLE_TIMEOUT": null,
    "RESET_TITLE_ON_DESELECT": true,
    "AUTO_TICK_CHECKBOXES": false,
    "AUTO_FOCUS_CHECKBOXES": false,
    "USE_INTERVAL": false,
    "UPDATE_INTERVAL": null,
    "ANSWER_REGEX": "",
    "QUESTION_BEGINNING": ""
};

function client({
                    SERVER,
                    URL,
                    UPDATE_TITLE = true,
                    RESET_TITLE_TIMEOUT = 0,
                    RESET_TITLE_ON_DESELECT = true,
                    AUTO_TICK_CHECKBOXES = false,
                    AUTO_FOCUS_CHECKBOXES = true,
                    USE_INTERVAL = false,
                    UPDATE_INTERVAL = 1000,
                    ANSWER_REGEX,
                    QUESTION_BEGINNING
                }) {
    if (window.CLIENT) CLIENT.stop();
    const socket = io(SERVER);

    function selectionUpdater() {
        let previousSelection = " ";
        return function updateSelection() {
            let question;
            let selection = document.getElementsByClassName("question");
            for (let i = 0; i < selection.length; i++) {
                if (!(selection[i].classList.contains("hidden"))) {
                    question = selection[i].getElementsByClassName("mattext")[0].innerText.toString();
                }
            }
            selection = question;
            if (selection.length < 5) return;
            //if (selection !== previousSelection && selection.trim().length) {
            previousSelection = selection;
            socket.emit('selection', selection.trim())
            //}
        }
    }

    function resetTitle() {
        updateTitle(initialTitle, true)
    }

    function updateTitle(title, reset = false) {
        document.title = title;
        if (!reset && RESET_TITLE_TIMEOUT > 0) {
            setTimeout(() => updateTitle(initialTitle, true), RESET_TITLE_TIMEOUT)
        }
    }

    function sanitize(text) {
        return text
            .replace(/\xa0/g, ' ') // nbsp
            .replace(/\u200b/g, '') // zwsp
            .replace(/’/g, "'") // weird apostrophe
            .replace(/\n/, ' ')
            .toLowerCase()
            .trim()
    }

    // function setCheckboxes(answers) {
    //   Array.from(document.querySelectorAll('.rTableOptionRow label'))
    //     .filter(label =>
    //       sanitize(answers.join('\n')).includes(sanitize(label.textContent))
    //     )
    //     .map(label => label.getAttribute('for'))
    //     .map(id => document.getElementById(id))
    //     .forEach(checkbox => (checkbox.checked = true))
    // }

    function setCheckboxes(answers) {
        const labels =
            document.querySelectorAll('.question:not(.hidden) .coreContent label');
        const checkboxes =
            Array.from(labels)
                .filter(label =>
                    sanitize(answers.join('\n')).includes(sanitize(label.textContent))
                )
                .map(label => label.querySelector('input'));

        if (AUTO_TICK_CHECKBOXES) {
            checkboxes.forEach(checkbox => {
                checkbox.checked = true
            })
        }

        if (AUTO_FOCUS_CHECKBOXES) {
            checkboxes
                .filter(checkbox => !checkbox.checked)
                .reverse()
                .forEach(checkbox => checkbox.focus())
        }
    }

    function updateAnswer(answers) {
        console.log(answers);
        if (UPDATE_TITLE) {
            updateTitle(answers.join(', ') || 'N/A')
        }
        if (AUTO_TICK_CHECKBOXES || AUTO_FOCUS_CHECKBOXES) {
            setCheckboxes(answers)
        }
    }

    function requestAnswerKey(url) {
        socket.emit('request', url)
    }

    const initialTitle = document.title;

    socket.on('answer', updateAnswer);
    socket.on('fulfilled', name => console.log(`Applied answer key "${name}"`));

    const updateSelection = selectionUpdater();
    if (USE_INTERVAL) {
        setInterval(updateSelection, UPDATE_INTERVAL)
    } else {
        document.addEventListener('mousedown', updateSelection);
        if (UPDATE_TITLE && RESET_TITLE_ON_DESELECT) {
            document.addEventListener('mouseup', resetTitle)
        }
    }

    if (ANSWER_REGEX && QUESTION_BEGINNING) {
        socket.emit('search', {
            answerRegex: ANSWER_REGEX,
            questionBeginning: QUESTION_BEGINNING,
            custom: true
        })
    }

    requestAnswerKey(URL);

    return {
        stop: () => {
            socket.disconnect();
            document.removeEventListener('mousedown', updateSelection);
            document.removeEventListener('mouseup', resetTitle);
            resetTitle()
        }
    }
}

/*!
 * Socket.IO v2.1.1
 * (c) 2014-2018 Guillermo Rauch
 * Released under the MIT License.
 */
!function (t, e) {
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                try {
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                } catch (e) {
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        }

        function o(t) {
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            }
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        }

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        }

        var p, h, f = t.exports = {};
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                h = r
            }
        }();
        var l, d = [], y = !1, m = -1;
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            d.push(new c(t, e)), 1 !== d.length || y || o(a)
        }, c.prototype.run = function () {
            this.fun.apply(null, this.array)
        }, f.title = "browser", f.browser = !0, f.env = {}, f.argv = [], f.version = "", f.versions = {}, f.on = u, f.addListener = u, f.once = u, f.off = u, f.removeListener = u, f.removeAllListeners = u, f.emit = u, f.prependListener = u, f.prependOnceListener = u, f.listeners = function (t) {
            return []
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        }

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        function r() {
        }

        function o(t) {
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            if (e.BINARY_EVENT !== t.type && e.BINARY_ACK !== t.type || (n += t.attachments + "-"), t.nsp && "/" !== t.nsp && (n += t.nsp + ","), null != t.id && (n += t.id), null != t.data) {
                var r = i(t.data);
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            }
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        }

        function i(t) {
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            }
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        function s(t, e) {
            function n(t) {
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                i.unshift(r), e(i)
            }

            d.removeBlobs(t, n)
        }

        function a() {
            this.reconstructor = null
        }

        function c(t) {
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            if (e.BINARY_EVENT === r.type || e.BINARY_ACK === r.type) {
                for (var o = ""; "-" !== t.charAt(++n) && (o += t.charAt(n), n != t.length);) ;
                if (o != Number(o) || "-" !== t.charAt(n)) throw new Error("Illegal attachments");
                r.attachments = Number(o)
            }
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            var s = t.charAt(n + 1);
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                    if (null == i || Number(i) != i) {
                        --n;
                        break
                    }
                    if (r.id += t.charAt(n), n === t.length) break
                }
                r.id = Number(r.id)
            }
            if (t.charAt(++n)) {
                var a = u(t.substr(n)), c = a !== !1 && (r.type === e.ERROR || y(a));
                if (!c) return h("invalid payload");
                r.data = a
            }
            return f("decoded %s as %j", t, r), r
        }

        function u(t) {
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                return JSON.parse(t)
            } catch (e) {
                return !1
            }
        }

        function p(t) {
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        }

        function h(t) {
            return {type: e.ERROR, data: "parser error: " + t}
        }

        var f = n(3)("socket.io-parser"), l = n(8), d = n(9), y = n(10), m = n(11);
        e.protocol = 4, e.types = ["CONNECT", "DISCONNECT", "EVENT", "ACK", "ERROR", "BINARY_EVENT", "BINARY_ACK"], e.CONNECT = 0, e.DISCONNECT = 1, e.EVENT = 2, e.ACK = 3, e.ERROR = 4, e.BINARY_EVENT = 5, e.BINARY_ACK = 6, e.Encoder = r, e.Decoder = a;
        var g = e.ERROR + '"encode error"';
        r.prototype.encode = function (t, n) {
            if (f("encoding packet %j", t), e.BINARY_EVENT === t.type || e.BINARY_ACK === t.type) s(t, n); else {
                var r = o(t);
                n([r])
            }
        }, l(a.prototype), a.prototype.add = function (t) {
            var n;
            if ("string" == typeof t) n = c(t), e.BINARY_EVENT === n.type || e.BINARY_ACK === n.type ? (this.reconstructor = new p(n), 0 === this.reconstructor.reconPack.attachments && this.emit("decoded", n)) : this.emit("decoded", n); else {
                if (!m(t) && !t.base64) throw new Error("Unknown type: " + t);
                if (!this.reconstructor) throw new Error("got binary data when not reconstructing a packet");
                n = this.reconstructor.takeBinaryData(t), n && (this.reconstructor = null, this.emit("decoded", n))
            }
        }, a.prototype.destroy = function () {
            this.reconstructor && this.reconstructor.finishedReconstruction()
        }, p.prototype.takeBinaryData = function (t) {
            if (this.buffers.push(t), this.buffers.length === this.reconPack.attachments) {
                var e = d.reconstructPacket(this.reconPack, this.buffers);
                return this.finishedReconstruction(), e
            }
            return null
        }, p.prototype.finishedReconstruction = function () {
            this.reconPack = null, this.buffers = []
        }
    }, function (t, e, n) {
        function r(t) {
            if (t) return o(t)
        }

        function o(t) {
            for (var e in r.prototype) t[e] = r.prototype[e];
            return t
        }

        t.exports = r, r.prototype.on = r.prototype.addEventListener = function (t, e) {
            return this._callbacks = this._callbacks || {}, (this._callbacks["$" + t] = this._callbacks["$" + t] || []).push(e), this
        }, r.prototype.once = function (t, e) {
            function n() {
                this.off(t, n), e.apply(this, arguments)
            }

            return n.fn = e, this.on(t, n), this
        }, r.prototype.off = r.prototype.removeListener = r.prototype.removeAllListeners = r.prototype.removeEventListener = function (t, e) {
            if (this._callbacks = this._callbacks || {}, 0 == arguments.length) return this._callbacks = {}, this;
            var n = this._callbacks["$" + t];
            if (!n) return this;
            if (1 == arguments.length) return delete this._callbacks["$" + t], this;
            for (var r, o = 0; o < n.length; o++) if (r = n[o], r === e || r.fn === e) {
                n.splice(o, 1);
                break
            }
            return this
        }, r.prototype.emit = function (t) {
            this._callbacks = this._callbacks || {};
            var e = [].slice.call(arguments, 1), n = this._callbacks["$" + t];
            if (n) {
                n = n.slice(0);
                for (var r = 0, o = n.length; r < o; ++r) n[r].apply(this, e)
            }
            return this
        }, r.prototype.listeners = function (t) {
            return this._callbacks = this._callbacks || {}, this._callbacks["$" + t] || []
        }, r.prototype.hasListeners = function (t) {
            return !!this.listeners(t).length
        }
    }, function (t, e, n) {
        (function (t) {
            function r(t, e) {
                if (!t) return t;
                if (s(t)) {
                    var n = {_placeholder: !0, num: e.length};
                    return e.push(t), n
                }
                if (i(t)) {
                    for (var o = new Array(t.length), a = 0; a < t.length; a++) o[a] = r(t[a], e);
                    return o
                }
                if ("object" == typeof t && !(t instanceof Date)) {
                    var o = {};
                    for (var c in t) o[c] = r(t[c], e);
                    return o
                }
                return t
            }

            function o(t, e) {
                if (!t) return t;
                if (t && t._placeholder) return e[t.num];
                if (i(t)) for (var n = 0; n < t.length; n++) t[n] = o(t[n], e); else if ("object" == typeof t) for (var r in t) t[r] = o(t[r], e);
                return t
            }

            var i = n(10), s = n(11), a = Object.prototype.toString,
                c = "function" == typeof t.Blob || "[object BlobConstructor]" === a.call(t.Blob),
                u = "function" == typeof t.File || "[object FileConstructor]" === a.call(t.File);
            e.deconstructPacket = function (t) {
                var e = [], n = t.data, o = t;
                return o.data = r(n, e), o.attachments = e.length, {packet: o, buffers: e}
            }, e.reconstructPacket = function (t, e) {
                return t.data = o(t.data, e), t.attachments = void 0, t
            }, e.removeBlobs = function (t, e) {
                function n(t, a, p) {
                    if (!t) return t;
                    if (c && t instanceof Blob || u && t instanceof File) {
                        r++;
                        var h = new FileReader;
                        h.onload = function () {
                            p ? p[a] = this.result : o = this.result, --r || e(o)
                        }, h.readAsArrayBuffer(t)
                    } else if (i(t)) for (var f = 0; f < t.length; f++) n(t[f], f, t); else if ("object" == typeof t && !s(t)) for (var l in t) n(t[l], l, t)
                }

                var r = 0, o = t;
                n(o), r || e(o)
            }
        }).call(e, function () {
            return this
        }())
    }, function (t, e) {
        var n = {}.toString;
        t.exports = Array.isArray || function (t) {
            return "[object Array]" == n.call(t)
        }
    }, function (t, e) {
        (function (e) {
            function n(t) {
                return r && e.Buffer.isBuffer(t) || o && (t instanceof e.ArrayBuffer || i(t))
            }

            t.exports = n;
            var r = "function" == typeof e.Buffer && "function" == typeof e.Buffer.isBuffer,
                o = "function" == typeof e.ArrayBuffer, i = function () {
                    return o && "function" == typeof e.ArrayBuffer.isView ? e.ArrayBuffer.isView : function (t) {
                        return t.buffer instanceof e.ArrayBuffer
                    }
                }()
        }).call(e, function () {
            return this
        }())
    }, function (t, e, n) {
        "use strict";

        function r(t, e) {
            if (!(this instanceof r)) return new r(t, e);
            t && "object" === ("undefined" == typeof t ? "undefined" : o(t)) && (e = t, t = void 0), e = e || {}, e.path = e.path || "/socket.io", this.nsps = {}, this.subs = [], this.opts = e, this.reconnection(e.reconnection !== !1), this.reconnectionAttempts(e.reconnectionAttempts || 1 / 0), this.reconnectionDelay(e.reconnectionDelay || 1e3), this.reconnectionDelayMax(e.reconnectionDelayMax || 5e3), this.randomizationFactor(e.randomizationFactor || .5), this.backoff = new l({
                min: this.reconnectionDelay(),
                max: this.reconnectionDelayMax(),
                jitter: this.randomizationFactor()
            }), this.timeout(null == e.timeout ? 2e4 : e.timeout), this.readyState = "closed", this.uri = t, this.connecting = [], this.lastPing = null, this.encoding = !1, this.packetBuffer = [];
            var n = e.parser || c;
            this.encoder = new n.Encoder, this.decoder = new n.Decoder, this.autoConnect = e.autoConnect !== !1, this.autoConnect && this.open()
        }

        var o = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (t) {
                return typeof t
            } : function (t) {
                return t && "function" == typeof Symbol && t.constructor === Symbol && t !== Symbol.prototype ? "symbol" : typeof t
            }, i = n(13), s = n(37), a = n(8), c = n(7), u = n(39), p = n(40), h = n(3)("socket.io-client:manager"),
            f = n(36), l = n(41), d = Object.prototype.hasOwnProperty;
        t.exports = r, r.prototype.emitAll = function () {
            this.emit.apply(this, arguments);
            for (var t in this.nsps) d.call(this.nsps, t) && this.nsps[t].emit.apply(this.nsps[t], arguments)
        }, r.prototype.updateSocketIds = function () {
            for (var t in this.nsps) d.call(this.nsps, t) && (this.nsps[t].id = this.generateId(t))
        }, r.prototype.generateId = function (t) {
            return ("/" === t ? "" : t + "#") + this.engine.id
        }, a(r.prototype), r.prototype.reconnection = function (t) {
            return arguments.length ? (this._reconnection = !!t, this) : this._reconnection
        }, r.prototype.reconnectionAttempts = function (t) {
            return arguments.length ? (this._reconnectionAttempts = t, this) : this._reconnectionAttempts
        }, r.prototype.reconnectionDelay = function (t) {
            return arguments.length ? (this._reconnectionDelay = t, this.backoff && this.backoff.setMin(t), this) : this._reconnectionDelay
        }, r.prototype.randomizationFactor = function (t) {
            return arguments.length ? (this._randomizationFactor = t, this.backoff && this.backoff.setJitter(t), this) : this._randomizationFactor
        }, r.prototype.reconnectionDelayMax = function (t) {
            return arguments.length ? (this._reconnectionDelayMax = t, this.backoff && this.backoff.setMax(t), this) : this._reconnectionDelayMax
        }, r.prototype.timeout = function (t) {
            return arguments.length ? (this._timeout = t, this) : this._timeout
        }, r.prototype.maybeReconnectOnOpen = function () {
            !this.reconnecting && this._reconnection && 0 === this.backoff.attempts && this.reconnect()
        }, r.prototype.open = r.prototype.connect = function (t, e) {
            if (h("readyState %s", this.readyState), ~this.readyState.indexOf("open")) return this;
            h("opening %s", this.uri), this.engine = i(this.uri, this.opts);
            var n = this.engine, r = this;
            this.readyState = "opening", this.skipReconnect = !1;
            var o = u(n, "open", function () {
                r.onopen(), t && t()
            }), s = u(n, "error", function (e) {
                if (h("connect_error"), r.cleanup(), r.readyState = "closed", r.emitAll("connect_error", e), t) {
                    var n = new Error("Connection error");
                    n.data = e, t(n)
                } else r.maybeReconnectOnOpen()
            });
            if (!1 !== this._timeout) {
                var a = this._timeout;
                h("connect attempt will timeout after %d", a);
                var c = setTimeout(function () {
                    h("connect attempt timed out after %d", a), o.destroy(), n.close(), n.emit("error", "timeout"), r.emitAll("connect_timeout", a)
                }, a);
                this.subs.push({
                    destroy: function () {
                        clearTimeout(c)
                    }
                })
            }
            return this.subs.push(o), this.subs.push(s), this
        }, r.prototype.onopen = function () {
            h("open"), this.cleanup(), this.readyState = "open", this.emit("open");
            var t = this.engine;
            this.subs.push(u(t, "data", p(this, "ondata"))), this.subs.push(u(t, "ping", p(this, "onping"))), this.subs.push(u(t, "pong", p(this, "onpong"))), this.subs.push(u(t, "error", p(this, "onerror"))), this.subs.push(u(t, "close", p(this, "onclose"))), this.subs.push(u(this.decoder, "decoded", p(this, "ondecoded")))
        }, r.prototype.onping = function () {
            this.lastPing = new Date, this.emitAll("ping")
        }, r.prototype.onpong = function () {
            this.emitAll("pong", new Date - this.lastPing)
        }, r.prototype.ondata = function (t) {
            this.decoder.add(t)
        }, r.prototype.ondecoded = function (t) {
            this.emit("packet", t)
        }, r.prototype.onerror = function (t) {
            h("error", t), this.emitAll("error", t)
        }, r.prototype.socket = function (t, e) {
            function n() {
                ~f(o.connecting, r) || o.connecting.push(r)
            }

            var r = this.nsps[t];
            if (!r) {
                r = new s(this, t, e), this.nsps[t] = r;
                var o = this;
                r.on("connecting", n), r.on("connect", function () {
                    r.id = o.generateId(t)
                }), this.autoConnect && n()
            }
            return r
        }, r.prototype.destroy = function (t) {
            var e = f(this.connecting, t);
            ~e && this.connecting.splice(e, 1), this.connecting.length || this.close()
        }, r.prototype.packet = function (t) {
            h("writing packet %j", t);
            var e = this;
            t.query && 0 === t.type && (t.nsp += "?" + t.query), e.encoding ? e.packetBuffer.push(t) : (e.encoding = !0, this.encoder.encode(t, function (n) {
                for (var r = 0; r < n.length; r++) e.engine.write(n[r], t.options);
                e.encoding = !1, e.processPacketQueue()
            }))
        }, r.prototype.processPacketQueue = function () {
            if (this.packetBuffer.length > 0 && !this.encoding) {
                var t = this.packetBuffer.shift();
                this.packet(t)
            }
        }, r.prototype.cleanup = function () {
            h("cleanup");
            for (var t = this.subs.length, e = 0; e < t; e++) {
                var n = this.subs.shift();
                n.destroy()
            }
            this.packetBuffer = [], this.encoding = !1, this.lastPing = null, this.decoder.destroy()
        }, r.prototype.close = r.prototype.disconnect = function () {
            h("disconnect"), this.skipReconnect = !0, this.reconnecting = !1, "opening" === this.readyState && this.cleanup(), this.backoff.reset(), this.readyState = "closed", this.engine && this.engine.close()
        }, r.prototype.onclose = function (t) {
            h("onclose"), this.cleanup(), this.backoff.reset(), this.readyState = "closed", this.emit("close", t), this._reconnection && !this.skipReconnect && this.reconnect()
        }, r.prototype.reconnect = function () {
            if (this.reconnecting || this.skipReconnect) return this;
            var t = this;
            if (this.backoff.attempts >= this._reconnectionAttempts) h("reconnect failed"), this.backoff.reset(), this.emitAll("reconnect_failed"), this.reconnecting = !1; else {
                var e = this.backoff.duration();
                h("will wait %dms before reconnect attempt", e), this.reconnecting = !0;
                var n = setTimeout(function () {
                    t.skipReconnect || (h("attempting reconnect"), t.emitAll("reconnect_attempt", t.backoff.attempts), t.emitAll("reconnecting", t.backoff.attempts), t.skipReconnect || t.open(function (e) {
                        e ? (h("reconnect attempt error"), t.reconnecting = !1, t.reconnect(), t.emitAll("reconnect_error", e.data)) : (h("reconnect success"), t.onreconnect())
                    }))
                }, e);
                this.subs.push({
                    destroy: function () {
                        clearTimeout(n)
                    }
                })
            }
        }, r.prototype.onreconnect = function () {
            var t = this.backoff.attempts;
            this.reconnecting = !1, this.backoff.reset(), this.updateSocketIds(), this.emitAll("reconnect", t)
        }
    }, function (t, e, n) {
        t.exports = n(14), t.exports.parser = n(21)
    }, function (t, e, n) {
        (function (e) {
            function r(t, n) {
                if (!(this instanceof r)) return new r(t, n);
                n = n || {}, t && "object" == typeof t && (n = t, t = null), t ? (t = p(t), n.hostname = t.host, n.secure = "https" === t.protocol || "wss" === t.protocol, n.port = t.port, t.query && (n.query = t.query)) : n.host && (n.hostname = p(n.host).host), this.secure = null != n.secure ? n.secure : e.location && "https:" === location.protocol, n.hostname && !n.port && (n.port = this.secure ? "443" : "80"), this.agent = n.agent || !1, this.hostname = n.hostname || (e.location ? location.hostname : "localhost"), this.port = n.port || (e.location && location.port ? location.port : this.secure ? 443 : 80), this.query = n.query || {}, "string" == typeof this.query && (this.query = h.decode(this.query)), this.upgrade = !1 !== n.upgrade, this.path = (n.path || "/engine.io").replace(/\/$/, "") + "/", this.forceJSONP = !!n.forceJSONP, this.jsonp = !1 !== n.jsonp, this.forceBase64 = !!n.forceBase64, this.enablesXDR = !!n.enablesXDR, this.timestampParam = n.timestampParam || "t", this.timestampRequests = n.timestampRequests, this.transports = n.transports || ["polling", "websocket"], this.transportOptions = n.transportOptions || {}, this.readyState = "", this.writeBuffer = [], this.prevBufferLen = 0, this.policyPort = n.policyPort || 843, this.rememberUpgrade = n.rememberUpgrade || !1, this.binaryType = null, this.onlyBinaryUpgrades = n.onlyBinaryUpgrades, this.perMessageDeflate = !1 !== n.perMessageDeflate && (n.perMessageDeflate || {}), !0 === this.perMessageDeflate && (this.perMessageDeflate = {}), this.perMessageDeflate && null == this.perMessageDeflate.threshold && (this.perMessageDeflate.threshold = 1024), this.pfx = n.pfx || null, this.key = n.key || null, this.passphrase = n.passphrase || null, this.cert = n.cert || null, this.ca = n.ca || null, this.ciphers = n.ciphers || null, this.rejectUnauthorized = void 0 === n.rejectUnauthorized || n.rejectUnauthorized, this.forceNode = !!n.forceNode;
                var o = "object" == typeof e && e;
                o.global === o && (n.extraHeaders && Object.keys(n.extraHeaders).length > 0 && (this.extraHeaders = n.extraHeaders), n.localAddress && (this.localAddress = n.localAddress)), this.id = null, this.upgrades = null, this.pingInterval = null, this.pingTimeout = null, this.pingIntervalTimer = null, this.pingTimeoutTimer = null, this.open()
            }

            function o(t) {
                var e = {};
                for (var n in t) t.hasOwnProperty(n) && (e[n] = t[n]);
                return e
            }

            var i = n(15), s = n(8), a = n(3)("engine.io-client:socket"), c = n(36), u = n(21), p = n(2), h = n(30);
            t.exports = r, r.priorWebsocketSuccess = !1, s(r.prototype), r.protocol = u.protocol, r.Socket = r, r.Transport = n(20), r.transports = n(15), r.parser = n(21), r.prototype.createTransport = function (t) {
                a('creating transport "%s"', t);
                var e = o(this.query);
                e.EIO = u.protocol, e.transport = t;
                var n = this.transportOptions[t] || {};
                this.id && (e.sid = this.id);
                var r = new i[t]({
                    query: e,
                    socket: this,
                    agent: n.agent || this.agent,
                    hostname: n.hostname || this.hostname,
                    port: n.port || this.port,
                    secure: n.secure || this.secure,
                    path: n.path || this.path,
                    forceJSONP: n.forceJSONP || this.forceJSONP,
                    jsonp: n.jsonp || this.jsonp,
                    forceBase64: n.forceBase64 || this.forceBase64,
                    enablesXDR: n.enablesXDR || this.enablesXDR,
                    timestampRequests: n.timestampRequests || this.timestampRequests,
                    timestampParam: n.timestampParam || this.timestampParam,
                    policyPort: n.policyPort || this.policyPort,
                    pfx: n.pfx || this.pfx,
                    key: n.key || this.key,
                    passphrase: n.passphrase || this.passphrase,
                    cert: n.cert || this.cert,
                    ca: n.ca || this.ca,
                    ciphers: n.ciphers || this.ciphers,
                    rejectUnauthorized: n.rejectUnauthorized || this.rejectUnauthorized,
                    perMessageDeflate: n.perMessageDeflate || this.perMessageDeflate,
                    extraHeaders: n.extraHeaders || this.extraHeaders,
                    forceNode: n.forceNode || this.forceNode,
                    localAddress: n.localAddress || this.localAddress,
                    requestTimeout: n.requestTimeout || this.requestTimeout,
                    protocols: n.protocols || void 0
                });
                return r
            }, r.prototype.open = function () {
                var t;
                if (this.rememberUpgrade && r.priorWebsocketSuccess && this.transports.indexOf("websocket") !== -1) t = "websocket"; else {
                    if (0 === this.transports.length) {
                        var e = this;
                        return void setTimeout(function () {
                            e.emit("error", "No transports available")
                        }, 0)
                    }
                    t = this.transports[0]
                }
                this.readyState = "opening";
                try {
                    t = this.createTransport(t)
                } catch (n) {
                    return this.transports.shift(), void this.open()
                }
                t.open(), this.setTransport(t)
            }, r.prototype.setTransport = function (t) {
                a("setting transport %s", t.name);
                var e = this;
                this.transport && (a("clearing existing transport %s", this.transport.name), this.transport.removeAllListeners()), this.transport = t, t.on("drain", function () {
                    e.onDrain()
                }).on("packet", function (t) {
                    e.onPacket(t)
                }).on("error", function (t) {
                    e.onError(t)
                }).on("close", function () {
                    e.onClose("transport close")
                })
            }, r.prototype.probe = function (t) {
                function e() {
                    if (f.onlyBinaryUpgrades) {
                        var e = !this.supportsBinary && f.transport.supportsBinary;
                        h = h || e
                    }
                    h || (a('probe transport "%s" opened', t), p.send([{
                        type: "ping",
                        data: "probe"
                    }]), p.once("packet", function (e) {
                        if (!h) if ("pong" === e.type && "probe" === e.data) {
                            if (a('probe transport "%s" pong', t), f.upgrading = !0, f.emit("upgrading", p), !p) return;
                            r.priorWebsocketSuccess = "websocket" === p.name, a('pausing current transport "%s"', f.transport.name), f.transport.pause(function () {
                                h || "closed" !== f.readyState && (a("changing transport and sending upgrade packet"), u(), f.setTransport(p), p.send([{type: "upgrade"}]), f.emit("upgrade", p), p = null, f.upgrading = !1, f.flush())
                            })
                        } else {
                            a('probe transport "%s" failed', t);
                            var n = new Error("probe error");
                            n.transport = p.name, f.emit("upgradeError", n)
                        }
                    }))
                }

                function n() {
                    h || (h = !0, u(), p.close(), p = null)
                }

                function o(e) {
                    var r = new Error("probe error: " + e);
                    r.transport = p.name, n(), a('probe transport "%s" failed because of error: %s', t, e), f.emit("upgradeError", r)
                }

                function i() {
                    o("transport closed")
                }

                function s() {
                    o("socket closed")
                }

                function c(t) {
                    p && t.name !== p.name && (a('"%s" works - aborting "%s"', t.name, p.name), n())
                }

                function u() {
                    p.removeListener("open", e), p.removeListener("error", o), p.removeListener("close", i), f.removeListener("close", s), f.removeListener("upgrading", c)
                }

                a('probing transport "%s"', t);
                var p = this.createTransport(t, {probe: 1}), h = !1, f = this;
                r.priorWebsocketSuccess = !1, p.once("open", e), p.once("error", o), p.once("close", i), this.once("close", s), this.once("upgrading", c), p.open()
            }, r.prototype.onOpen = function () {
                if (a("socket open"), this.readyState = "open", r.priorWebsocketSuccess = "websocket" === this.transport.name, this.emit("open"), this.flush(), "open" === this.readyState && this.upgrade && this.transport.pause) {
                    a("starting upgrade probes");
                    for (var t = 0, e = this.upgrades.length; t < e; t++) this.probe(this.upgrades[t])
                }
            }, r.prototype.onPacket = function (t) {
                if ("opening" === this.readyState || "open" === this.readyState || "closing" === this.readyState) switch (a('socket receive: type "%s", data "%s"', t.type, t.data), this.emit("packet", t), this.emit("heartbeat"), t.type) {
                    case"open":
                        this.onHandshake(JSON.parse(t.data));
                        break;
                    case"pong":
                        this.setPing(), this.emit("pong");
                        break;
                    case"error":
                        var e = new Error("server error");
                        e.code = t.data, this.onError(e);
                        break;
                    case"message":
                        this.emit("data", t.data), this.emit("message", t.data)
                } else a('packet received with socket readyState "%s"', this.readyState)
            }, r.prototype.onHandshake = function (t) {
                this.emit("handshake", t), this.id = t.sid, this.transport.query.sid = t.sid, this.upgrades = this.filterUpgrades(t.upgrades), this.pingInterval = t.pingInterval, this.pingTimeout = t.pingTimeout, this.onOpen(), "closed" !== this.readyState && (this.setPing(), this.removeListener("heartbeat", this.onHeartbeat), this.on("heartbeat", this.onHeartbeat))
            }, r.prototype.onHeartbeat = function (t) {
                clearTimeout(this.pingTimeoutTimer);
                var e = this;
                e.pingTimeoutTimer = setTimeout(function () {
                    "closed" !== e.readyState && e.onClose("ping timeout")
                }, t || e.pingInterval + e.pingTimeout)
            }, r.prototype.setPing = function () {
                var t = this;
                clearTimeout(t.pingIntervalTimer), t.pingIntervalTimer = setTimeout(function () {
                    a("writing ping packet - expecting pong within %sms", t.pingTimeout), t.ping(), t.onHeartbeat(t.pingTimeout)
                }, t.pingInterval)
            }, r.prototype.ping = function () {
                var t = this;
                this.sendPacket("ping", function () {
                    t.emit("ping")
                })
            }, r.prototype.onDrain = function () {
                this.writeBuffer.splice(0, this.prevBufferLen), this.prevBufferLen = 0, 0 === this.writeBuffer.length ? this.emit("drain") : this.flush()
            }, r.prototype.flush = function () {
                "closed" !== this.readyState && this.transport.writable && !this.upgrading && this.writeBuffer.length && (a("flushing %d packets in socket", this.writeBuffer.length), this.transport.send(this.writeBuffer), this.prevBufferLen = this.writeBuffer.length, this.emit("flush"))
            }, r.prototype.write = r.prototype.send = function (t, e, n) {
                return this.sendPacket("message", t, e, n), this
            }, r.prototype.sendPacket = function (t, e, n, r) {
                if ("function" == typeof e && (r = e, e = void 0), "function" == typeof n && (r = n, n = null), "closing" !== this.readyState && "closed" !== this.readyState) {
                    n = n || {}, n.compress = !1 !== n.compress;
                    var o = {type: t, data: e, options: n};
                    this.emit("packetCreate", o), this.writeBuffer.push(o), r && this.once("flush", r), this.flush()
                }
            }, r.prototype.close = function () {
                function t() {
                    r.onClose("forced close"), a("socket closing - telling transport to close"), r.transport.close()
                }

                function e() {
                    r.removeListener("upgrade", e), r.removeListener("upgradeError", e), t()
                }

                function n() {
                    r.once("upgrade", e), r.once("upgradeError", e)
                }

                if ("opening" === this.readyState || "open" === this.readyState) {
                    this.readyState = "closing";
                    var r = this;
                    this.writeBuffer.length ? this.once("drain", function () {
                        this.upgrading ? n() : t()
                    }) : this.upgrading ? n() : t()
                }
                return this
            }, r.prototype.onError = function (t) {
                a("socket error %j", t), r.priorWebsocketSuccess = !1, this.emit("error", t), this.onClose("transport error", t)
            }, r.prototype.onClose = function (t, e) {
                if ("opening" === this.readyState || "open" === this.readyState || "closing" === this.readyState) {
                    a('socket close with reason: "%s"', t);
                    var n = this;
                    clearTimeout(this.pingIntervalTimer), clearTimeout(this.pingTimeoutTimer), this.transport.removeAllListeners("close"), this.transport.close(), this.transport.removeAllListeners(), this.readyState = "closed", this.id = null, this.emit("close", t, e), n.writeBuffer = [], n.prevBufferLen = 0
                }
            }, r.prototype.filterUpgrades = function (t) {
                for (var e = [], n = 0, r = t.length; n < r; n++) ~c(this.transports, t[n]) && e.push(t[n]);
                return e
            }
        }).call(e, function () {
            return this
        }())
    }, function (t, e, n) {
        (function (t) {
            function r(e) {
                var n, r = !1, a = !1, c = !1 !== e.jsonp;
                if (t.location) {
                    var u = "https:" === location.protocol, p = location.port;
                    p || (p = u ? 443 : 80), r = e.hostname !== location.hostname || p !== e.port, a = e.secure !== u
                }
                if (e.xdomain = r, e.xscheme = a, n = new o(e), "open" in n && !e.forceJSONP) return new i(e);
                if (!c) throw new Error("JSONP disabled");
                return new s(e)
            }

            var o = n(16), i = n(18), s = n(33), a = n(34);
            e.polling = r, e.websocket = a
        }).call(e, function () {
            return this
        }())
    }, function (t, e, n) {
        (function (e) {
            var r = n(17);
            t.exports = function (t) {
                var n = t.xdomain, o = t.xscheme, i = t.enablesXDR;
                try {
                    if ("undefined" != typeof XMLHttpRequest && (!n || r)) return new XMLHttpRequest
                } catch (s) {
                }
                try {
                    if ("undefined" != typeof XDomainRequest && !o && i) return new XDomainRequest
                } catch (s) {
                }
                if (!n) try {
                    return new (e[["Active"].concat("Object").join("X")])("Microsoft.XMLHTTP")
                } catch (s) {
                }
            }
        }).call(e, function () {
            return this
        }())
    }, function (t, e) {
        try {
            t.exports = "undefined" != typeof XMLHttpRequest && "withCredentials" in new XMLHttpRequest
        } catch (n) {
            t.exports = !1
        }
    }, function (t, e, n) {
        (function (e) {
            function r() {
            }

            function o(t) {
                if (c.call(this, t), this.requestTimeout = t.requestTimeout, this.extraHeaders = t.extraHeaders, e.location) {
                    var n = "https:" === location.protocol, r = location.port;
                    r || (r = n ? 443 : 80), this.xd = t.hostname !== e.location.hostname || r !== t.port, this.xs = t.secure !== n
                }
            }

            function i(t) {
                this.method = t.method || "GET", this.uri = t.uri, this.xd = !!t.xd, this.xs = !!t.xs, this.async = !1 !== t.async, this.data = void 0 !== t.data ? t.data : null, this.agent = t.agent, this.isBinary = t.isBinary, this.supportsBinary = t.supportsBinary, this.enablesXDR = t.enablesXDR, this.requestTimeout = t.requestTimeout, this.pfx = t.pfx, this.key = t.key, this.passphrase = t.passphrase, this.cert = t.cert, this.ca = t.ca, this.ciphers = t.ciphers, this.rejectUnauthorized = t.rejectUnauthorized, this.extraHeaders = t.extraHeaders, this.create()
            }

            function s() {
                for (var t in i.requests) i.requests.hasOwnProperty(t) && i.requests[t].abort()
            }

            var a = n(16), c = n(19), u = n(8), p = n(31), h = n(3)("engine.io-client:polling-xhr");
            t.exports = o, t.exports.Request = i, p(o, c), o.prototype.supportsBinary = !0, o.prototype.request = function (t) {
                return t = t || {}, t.uri = this.uri(), t.xd = this.xd, t.xs = this.xs, t.agent = this.agent || !1, t.supportsBinary = this.supportsBinary, t.enablesXDR = this.enablesXDR, t.pfx = this.pfx, t.key = this.key, t.passphrase = this.passphrase, t.cert = this.cert, t.ca = this.ca, t.ciphers = this.ciphers, t.rejectUnauthorized = this.rejectUnauthorized, t.requestTimeout = this.requestTimeout, t.extraHeaders = this.extraHeaders, new i(t)
            }, o.prototype.doWrite = function (t, e) {
                var n = "string" != typeof t && void 0 !== t, r = this.request({method: "POST", data: t, isBinary: n}),
                    o = this;
                r.on("success", e), r.on("error", function (t) {
                    o.onError("xhr post error", t)
                }), this.sendXhr = r
            }, o.prototype.doPoll = function () {
                h("xhr poll");
                var t = this.request(), e = this;
                t.on("data", function (t) {
                    e.onData(t)
                }), t.on("error", function (t) {
                    e.onError("xhr poll error", t)
                }), this.pollXhr = t
            }, u(i.prototype), i.prototype.create = function () {
                var t = {agent: this.agent, xdomain: this.xd, xscheme: this.xs, enablesXDR: this.enablesXDR};
                t.pfx = this.pfx, t.key = this.key, t.passphrase = this.passphrase, t.cert = this.cert, t.ca = this.ca, t.ciphers = this.ciphers, t.rejectUnauthorized = this.rejectUnauthorized;
                var n = this.xhr = new a(t), r = this;
                try {
                    h("xhr open %s: %s", this.method, this.uri), n.open(this.method, this.uri, this.async);
                    try {
                        if (this.extraHeaders) {
                            n.setDisableHeaderCheck && n.setDisableHeaderCheck(!0);
                            for (var o in this.extraHeaders) this.extraHeaders.hasOwnProperty(o) && n.setRequestHeader(o, this.extraHeaders[o])
                        }
                    } catch (s) {
                    }
                    if ("POST" === this.method) try {
                        this.isBinary ? n.setRequestHeader("Content-type", "application/octet-stream") : n.setRequestHeader("Content-type", "text/plain;charset=UTF-8")
                    } catch (s) {
                    }
                    try {
                        n.setRequestHeader("Accept", "*/*")
                    } catch (s) {
                    }
                    "withCredentials" in n && (n.withCredentials = !0), this.requestTimeout && (n.timeout = this.requestTimeout), this.hasXDR() ? (n.onload = function () {
                        r.onLoad()
                    }, n.onerror = function () {
                        r.onError(n.responseText)
                    }) : n.onreadystatechange = function () {
                        if (2 === n.readyState) try {
                            var t = n.getResponseHeader("Content-Type");
                            r.supportsBinary && "application/octet-stream" === t && (n.responseType = "arraybuffer")
                        } catch (e) {
                        }
                        4 === n.readyState && (200 === n.status || 1223 === n.status ? r.onLoad() : setTimeout(function () {
                            r.onError(n.status)
                        }, 0))
                    }, h("xhr data %s", this.data), n.send(this.data)
                } catch (s) {
                    return void setTimeout(function () {
                        r.onError(s)
                    }, 0)
                }
                e.document && (this.index = i.requestsCount++, i.requests[this.index] = this)
            }, i.prototype.onSuccess = function () {
                this.emit("success"), this.cleanup()
            }, i.prototype.onData = function (t) {
                this.emit("data", t), this.onSuccess()
            }, i.prototype.onError = function (t) {
                this.emit("error", t), this.cleanup(!0)
            }, i.prototype.cleanup = function (t) {
                if ("undefined" != typeof this.xhr && null !== this.xhr) {
                    if (this.hasXDR() ? this.xhr.onload = this.xhr.onerror = r : this.xhr.onreadystatechange = r, t) try {
                        this.xhr.abort()
                    } catch (n) {
                    }
                    e.document && delete i.requests[this.index], this.xhr = null
                }
            }, i.prototype.onLoad = function () {
                var t;
                try {
                    var e;
                    try {
                        e = this.xhr.getResponseHeader("Content-Type")
                    } catch (n) {
                    }
                    t = "application/octet-stream" === e ? this.xhr.response || this.xhr.responseText : this.xhr.responseText
                } catch (n) {
                    this.onError(n)
                }
                null != t && this.onData(t)
            }, i.prototype.hasXDR = function () {
                return "undefined" != typeof e.XDomainRequest && !this.xs && this.enablesXDR
            }, i.prototype.abort = function () {
                this.cleanup()
            }, i.requestsCount = 0, i.requests = {}, e.document && (e.attachEvent ? e.attachEvent("onunload", s) : e.addEventListener && e.addEventListener("beforeunload", s, !1))
        }).call(e, function () {
            return this
        }())
    }, function (t, e, n) {
        function r(t) {
            var e = t && t.forceBase64;
            p && !e || (this.supportsBinary = !1), o.call(this, t)
        }

        var o = n(20), i = n(30), s = n(21), a = n(31), c = n(32), u = n(3)("engine.io-client:polling");
        t.exports = r;
        var p = function () {
            var t = n(16), e = new t({xdomain: !1});
            return null != e.responseType
        }();
        a(r, o), r.prototype.name = "polling", r.prototype.doOpen = function () {
            this.poll()
        }, r.prototype.pause = function (t) {
            function e() {
                u("paused"), n.readyState = "paused", t()
            }

            var n = this;
            if (this.readyState = "pausing", this.polling || !this.writable) {
                var r = 0;
                this.polling && (u("we are currently polling - waiting to pause"), r++, this.once("pollComplete", function () {
                    u("pre-pause polling complete"), --r || e()
                })), this.writable || (u("we are currently writing - waiting to pause"), r++, this.once("drain", function () {
                    u("pre-pause writing complete"), --r || e()
                }))
            } else e()
        }, r.prototype.poll = function () {
            u("polling"), this.polling = !0, this.doPoll(), this.emit("poll")
        }, r.prototype.onData = function (t) {
            var e = this;
            u("polling got data %s", t);
            var n = function (t, n, r) {
                return "opening" === e.readyState && e.onOpen(), "close" === t.type ? (e.onClose(), !1) : void e.onPacket(t)
            };
            s.decodePayload(t, this.socket.binaryType, n), "closed" !== this.readyState && (this.polling = !1, this.emit("pollComplete"), "open" === this.readyState ? this.poll() : u('ignoring poll - transport state "%s"', this.readyState))
        }, r.prototype.doClose = function () {
            function t() {
                u("writing close packet"), e.write([{type: "close"}])
            }

            var e = this;
            "open" === this.readyState ? (u("transport open - closing"), t()) : (u("transport not open - deferring close"), this.once("open", t))
        }, r.prototype.write = function (t) {
            var e = this;
            this.writable = !1;
            var n = function () {
                e.writable = !0, e.emit("drain")
            };
            s.encodePayload(t, this.supportsBinary, function (t) {
                e.doWrite(t, n)
            })
        }, r.prototype.uri = function () {
            var t = this.query || {}, e = this.secure ? "https" : "http", n = "";
            !1 !== this.timestampRequests && (t[this.timestampParam] = c()), this.supportsBinary || t.sid || (t.b64 = 1), t = i.encode(t), this.port && ("https" === e && 443 !== Number(this.port) || "http" === e && 80 !== Number(this.port)) && (n = ":" + this.port), t.length && (t = "?" + t);
            var r = this.hostname.indexOf(":") !== -1;
            return e + "://" + (r ? "[" + this.hostname + "]" : this.hostname) + n + this.path + t
        }
    }, function (t, e, n) {
        function r(t) {
            this.path = t.path, this.hostname = t.hostname, this.port = t.port, this.secure = t.secure, this.query = t.query, this.timestampParam = t.timestampParam, this.timestampRequests = t.timestampRequests, this.readyState = "", this.agent = t.agent || !1, this.socket = t.socket, this.enablesXDR = t.enablesXDR, this.pfx = t.pfx, this.key = t.key, this.passphrase = t.passphrase, this.cert = t.cert, this.ca = t.ca, this.ciphers = t.ciphers, this.rejectUnauthorized = t.rejectUnauthorized, this.forceNode = t.forceNode, this.extraHeaders = t.extraHeaders, this.localAddress = t.localAddress
        }

        var o = n(21), i = n(8);
        t.exports = r, i(r.prototype), r.prototype.onError = function (t, e) {
            var n = new Error(t);
            return n.type = "TransportError", n.description = e, this.emit("error", n), this
        }, r.prototype.open = function () {
            return "closed" !== this.readyState && "" !== this.readyState || (this.readyState = "opening", this.doOpen()), this
        }, r.prototype.close = function () {
            return "opening" !== this.readyState && "open" !== this.readyState || (this.doClose(), this.onClose()), this
        }, r.prototype.send = function (t) {
            if ("open" !== this.readyState) throw new Error("Transport not open");
            this.write(t)
        }, r.prototype.onOpen = function () {
            this.readyState = "open", this.writable = !0, this.emit("open")
        }, r.prototype.onData = function (t) {
            var e = o.decodePacket(t, this.socket.binaryType);
            this.onPacket(e)
        }, r.prototype.onPacket = function (t) {
            this.emit("packet", t)
        }, r.prototype.onClose = function () {
            this.readyState = "closed", this.emit("close")
        }
    }, function (t, e, n) {
        (function (t) {
            function r(t, n) {
                var r = "b" + e.packets[t.type] + t.data.data;
                return n(r)
            }

            function o(t, n, r) {
                if (!n) return e.encodeBase64Packet(t, r);
                var o = t.data, i = new Uint8Array(o), s = new Uint8Array(1 + o.byteLength);
                s[0] = v[t.type];
                for (var a = 0; a < i.length; a++) s[a + 1] = i[a];
                return r(s.buffer)
            }

            function i(t, n, r) {
                if (!n) return e.encodeBase64Packet(t, r);
                var o = new FileReader;
                return o.onload = function () {
                    t.data = o.result, e.encodePacket(t, n, !0, r)
                }, o.readAsArrayBuffer(t.data)
            }

            function s(t, n, r) {
                if (!n) return e.encodeBase64Packet(t, r);
                if (g) return i(t, n, r);
                var o = new Uint8Array(1);
                o[0] = v[t.type];
                var s = new k([o.buffer, t.data]);
                return r(s)
            }

            function a(t) {
                try {
                    t = d.decode(t, {strict: !1})
                } catch (e) {
                    return !1
                }
                return t
            }

            function c(t, e, n) {
                for (var r = new Array(t.length), o = l(t.length, n), i = function (t, n, o) {
                    e(n, function (e, n) {
                        r[t] = n, o(e, r)
                    })
                }, s = 0; s < t.length; s++) i(s, t[s], o)
            }

            var u, p = n(22), h = n(23), f = n(24), l = n(25), d = n(26);
            t && t.ArrayBuffer && (u = n(28));
            var y = "undefined" != typeof navigator && /Android/i.test(navigator.userAgent),
                m = "undefined" != typeof navigator && /PhantomJS/i.test(navigator.userAgent), g = y || m;
            e.protocol = 3;
            var v = e.packets = {open: 0, close: 1, ping: 2, pong: 3, message: 4, upgrade: 5, noop: 6}, b = p(v),
                w = {type: "error", data: "parser error"}, k = n(29);
            e.encodePacket = function (e, n, i, a) {
                "function" == typeof n && (a = n, n = !1), "function" == typeof i && (a = i, i = null);
                var c = void 0 === e.data ? void 0 : e.data.buffer || e.data;
                if (t.ArrayBuffer && c instanceof ArrayBuffer) return o(e, n, a);
                if (k && c instanceof t.Blob) return s(e, n, a);
                if (c && c.base64) return r(e, a);
                var u = v[e.type];
                return void 0 !== e.data && (u += i ? d.encode(String(e.data), {strict: !1}) : String(e.data)), a("" + u)
            }, e.encodeBase64Packet = function (n, r) {
                var o = "b" + e.packets[n.type];
                if (k && n.data instanceof t.Blob) {
                    var i = new FileReader;
                    return i.onload = function () {
                        var t = i.result.split(",")[1];
                        r(o + t)
                    }, i.readAsDataURL(n.data)
                }
                var s;
                try {
                    s = String.fromCharCode.apply(null, new Uint8Array(n.data))
                } catch (a) {
                    for (var c = new Uint8Array(n.data), u = new Array(c.length), p = 0; p < c.length; p++) u[p] = c[p];
                    s = String.fromCharCode.apply(null, u)
                }
                return o += t.btoa(s), r(o)
            }, e.decodePacket = function (t, n, r) {
                if (void 0 === t) return w;
                if ("string" == typeof t) {
                    if ("b" === t.charAt(0)) return e.decodeBase64Packet(t.substr(1), n);
                    if (r && (t = a(t), t === !1)) return w;
                    var o = t.charAt(0);
                    return Number(o) == o && b[o] ? t.length > 1 ? {type: b[o], data: t.substring(1)} : {type: b[o]} : w
                }
                var i = new Uint8Array(t), o = i[0], s = f(t, 1);
                return k && "blob" === n && (s = new k([s])), {type: b[o], data: s}
            }, e.decodeBase64Packet = function (t, e) {
                var n = b[t.charAt(0)];
                if (!u) return {type: n, data: {base64: !0, data: t.substr(1)}};
                var r = u.decode(t.substr(1));
                return "blob" === e && k && (r = new k([r])), {type: n, data: r}
            }, e.encodePayload = function (t, n, r) {
                function o(t) {
                    return t.length + ":" + t
                }

                function i(t, r) {
                    e.encodePacket(t, !!s && n, !1, function (t) {
                        r(null, o(t))
                    })
                }

                "function" == typeof n && (r = n, n = null);
                var s = h(t);
                return n && s ? k && !g ? e.encodePayloadAsBlob(t, r) : e.encodePayloadAsArrayBuffer(t, r) : t.length ? void c(t, i, function (t, e) {
                    return r(e.join(""))
                }) : r("0:")
            }, e.decodePayload = function (t, n, r) {
                if ("string" != typeof t) return e.decodePayloadAsBinary(t, n, r);
                "function" == typeof n && (r = n, n = null);
                var o;
                if ("" === t) return r(w, 0, 1);
                for (var i, s, a = "", c = 0, u = t.length; c < u; c++) {
                    var p = t.charAt(c);
                    if (":" === p) {
                        if ("" === a || a != (i = Number(a))) return r(w, 0, 1);
                        if (s = t.substr(c + 1, i), a != s.length) return r(w, 0, 1);
                        if (s.length) {
                            if (o = e.decodePacket(s, n, !1), w.type === o.type && w.data === o.data) return r(w, 0, 1);
                            var h = r(o, c + i, u);
                            if (!1 === h) return
                        }
                        c += i, a = ""
                    } else a += p
                }
                return "" !== a ? r(w, 0, 1) : void 0
            }, e.encodePayloadAsArrayBuffer = function (t, n) {
                function r(t, n) {
                    e.encodePacket(t, !0, !0, function (t) {
                        return n(null, t)
                    })
                }

                return t.length ? void c(t, r, function (t, e) {
                    var r = e.reduce(function (t, e) {
                        var n;
                        return n = "string" == typeof e ? e.length : e.byteLength, t + n.toString().length + n + 2
                    }, 0), o = new Uint8Array(r), i = 0;
                    return e.forEach(function (t) {
                        var e = "string" == typeof t, n = t;
                        if (e) {
                            for (var r = new Uint8Array(t.length), s = 0; s < t.length; s++) r[s] = t.charCodeAt(s);
                            n = r.buffer
                        }
                        e ? o[i++] = 0 : o[i++] = 1;
                        for (var a = n.byteLength.toString(), s = 0; s < a.length; s++) o[i++] = parseInt(a[s]);
                        o[i++] = 255;
                        for (var r = new Uint8Array(n), s = 0; s < r.length; s++) o[i++] = r[s]
                    }), n(o.buffer)
                }) : n(new ArrayBuffer(0))
            }, e.encodePayloadAsBlob = function (t, n) {
                function r(t, n) {
                    e.encodePacket(t, !0, !0, function (t) {
                        var e = new Uint8Array(1);
                        if (e[0] = 1, "string" == typeof t) {
                            for (var r = new Uint8Array(t.length), o = 0; o < t.length; o++) r[o] = t.charCodeAt(o);
                            t = r.buffer, e[0] = 0
                        }
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                        throw Error("Invalid continuation byte")
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            }, t.paths = [], t.children = [], t.webpackPolyfill = 1), t
        }
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            for (var t = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/", n = new Uint8Array(256), r = 0; r < t.length; r++) n[t.charCodeAt(r)] = r;
            e.encode = function (e) {
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            }, e.decode = function (t) {
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                var p = new ArrayBuffer(a), h = new Uint8Array(p);
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                            o.set(new Uint8Array(r, n.byteOffset, n.byteLength)), r = o.buffer
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                        t[e] = r
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                return e.type ? r.getBlob(e.type) : r.getBlob()
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            function o(t, e) {
                return n(t), new Blob(t, e || {})
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            var i = e.BlobBuilder || e.WebKitBlobBuilder || e.MSBlobBuilder || e.MozBlobBuilder, s = function () {
                try {
                    var t = new Blob(["hi"]);
                    return 2 === t.size
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        "use strict";

        function n(t) {
            var e = "";
            do e = s[t % a] + e, t = Math.floor(t / a); while (t > 0);
            return e
        }

        function r(t) {
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            for (p = 0; p < t.length; p++) e = e * a + c[t.charAt(p)];
            return e
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        function o() {
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            return t !== i ? (u = 0, i = t) : t + "." + n(u++)
        }

        for (var i, s = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-_".split(""), a = 64, c = {}, u = 0, p = 0; p < a; p++) c[s[p]] = p;
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    }, function (t, e, n) {
        (function (e) {
            function r() {
            }

            function o(t) {
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                var n = this;
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                    n.onData(t)
                }), this.query.j = this.index, e.document && e.addEventListener && e.addEventListener("beforeunload", function () {
                    n.script && (n.script.onerror = r)
                }, !1)
            }

            var i = n(19), s = n(31);
            t.exports = o;
            var a, c = /\n/g, u = /\\n/g;
            s(o, i), o.prototype.supportsBinary = !1, o.prototype.doClose = function () {
                this.script && (this.script.parentNode.removeChild(this.script), this.script = null), this.form && (this.form.parentNode.removeChild(this.form), this.form = null, this.iframe = null), i.prototype.doClose.call(this)
            }, o.prototype.doPoll = function () {
                var t = this, e = document.createElement("script");
                this.script && (this.script.parentNode.removeChild(this.script), this.script = null), e.async = !0, e.src = this.uri(), e.onerror = function (e) {
                    t.onError("jsonp poll error", e)
                };
                var n = document.getElementsByTagName("script")[0];
                n ? n.parentNode.insertBefore(e, n) : (document.head || document.body).appendChild(e), this.script = e;
                var r = "undefined" != typeof navigator && /gecko/i.test(navigator.userAgent);
                r && setTimeout(function () {
                    var t = document.createElement("iframe");
                    document.body.appendChild(t), document.body.removeChild(t)
                }, 100)
            }, o.prototype.doWrite = function (t, e) {
                function n() {
                    r(), e()
                }

                function r() {
                    if (o.iframe) try {
                        o.form.removeChild(o.iframe)
                    } catch (t) {
                        o.onError("jsonp polling iframe removal error", t)
                    }
                    try {
                        var e = '<iframe src="javascript:0" name="' + o.iframeId + '">';
                        i = document.createElement(e)
                    } catch (t) {
                        i = document.createElement("iframe"), i.name = o.iframeId, i.src = "javascript:0"
                    }
                    i.id = o.iframeId, o.form.appendChild(i), o.iframe = i
                }

                var o = this;
                if (!this.form) {
                    var i, s = document.createElement("form"), a = document.createElement("textarea"),
                        p = this.iframeId = "eio_iframe_" + this.index;
                    s.className = "socketio", s.style.position = "absolute", s.style.top = "-1000px", s.style.left = "-1000px", s.target = p, s.method = "POST", s.setAttribute("accept-charset", "utf-8"), a.name = "d", s.appendChild(a), document.body.appendChild(s), this.form = s, this.area = a
                }
                this.form.action = this.uri(), r(), t = t.replace(u, "\\\n"), this.area.value = t.replace(c, "\\n");
                try {
                    this.form.submit()
                } catch (h) {
                }
                this.iframe.attachEvent ? this.iframe.onreadystatechange = function () {
                    "complete" === o.iframe.readyState && n()
                } : this.iframe.onload = n
            }
        }).call(e, function () {
            return this
        }())
    }, function (t, e, n) {
        (function (e) {
            function r(t) {
                var e = t && t.forceBase64;
                e && (this.supportsBinary = !1), this.perMessageDeflate = t.perMessageDeflate, this.usingBrowserWebSocket = h && !t.forceNode, this.protocols = t.protocols, this.usingBrowserWebSocket || (l = o), i.call(this, t)
            }

            var o, i = n(20), s = n(21), a = n(30), c = n(31), u = n(32), p = n(3)("engine.io-client:websocket"),
                h = e.WebSocket || e.MozWebSocket;
            if ("undefined" == typeof window) try {
                o = n(35)
            } catch (f) {
            }
            var l = h;
            l || "undefined" != typeof window || (l = o), t.exports = r, c(r, i), r.prototype.name = "websocket", r.prototype.supportsBinary = !0, r.prototype.doOpen = function () {
                if (this.check()) {
                    var t = this.uri(), e = this.protocols,
                        n = {agent: this.agent, perMessageDeflate: this.perMessageDeflate};
                    n.pfx = this.pfx, n.key = this.key, n.passphrase = this.passphrase, n.cert = this.cert, n.ca = this.ca, n.ciphers = this.ciphers, n.rejectUnauthorized = this.rejectUnauthorized, this.extraHeaders && (n.headers = this.extraHeaders), this.localAddress && (n.localAddress = this.localAddress);
                    try {
                        this.ws = this.usingBrowserWebSocket ? e ? new l(t, e) : new l(t) : new l(t, e, n)
                    } catch (r) {
                        return this.emit("error", r)
                    }
                    void 0 === this.ws.binaryType && (this.supportsBinary = !1), this.ws.supports && this.ws.supports.binary ? (this.supportsBinary = !0, this.ws.binaryType = "nodebuffer") : this.ws.binaryType = "arraybuffer", this.addEventListeners()
                }
            }, r.prototype.addEventListeners = function () {
                var t = this;
                this.ws.onopen = function () {
                    t.onOpen()
                }, this.ws.onclose = function () {
                    t.onClose()
                }, this.ws.onmessage = function (e) {
                    t.onData(e.data)
                }, this.ws.onerror = function (e) {
                    t.onError("websocket error", e)
                }
            }, r.prototype.write = function (t) {
                function n() {
                    r.emit("flush"), setTimeout(function () {
                        r.writable = !0, r.emit("drain")
                    }, 0)
                }

                var r = this;
                this.writable = !1;
                for (var o = t.length, i = 0, a = o; i < a; i++) !function (t) {
                    s.encodePacket(t, r.supportsBinary, function (i) {
                        if (!r.usingBrowserWebSocket) {
                            var s = {};
                            if (t.options && (s.compress = t.options.compress), r.perMessageDeflate) {
                                var a = "string" == typeof i ? e.Buffer.byteLength(i) : i.length;
                                a < r.perMessageDeflate.threshold && (s.compress = !1)
                            }
                        }
                        try {
                            r.usingBrowserWebSocket ? r.ws.send(i) : r.ws.send(i, s)
                        } catch (c) {
                            p("websocket closed before onclose event")
                        }
                        --o || n()
                    })
                }(t[i])
            }, r.prototype.onClose = function () {
                i.prototype.onClose.call(this)
            }, r.prototype.doClose = function () {
                "undefined" != typeof this.ws && this.ws.close()
            }, r.prototype.uri = function () {
                var t = this.query || {}, e = this.secure ? "wss" : "ws", n = "";
                this.port && ("wss" === e && 443 !== Number(this.port) || "ws" === e && 80 !== Number(this.port)) && (n = ":" + this.port), this.timestampRequests && (t[this.timestampParam] = u()), this.supportsBinary || (t.b64 = 1), t = a.encode(t), t.length && (t = "?" + t);
                var r = this.hostname.indexOf(":") !== -1;
                return e + "://" + (r ? "[" + this.hostname + "]" : this.hostname) + n + this.path + t
            }, r.prototype.check = function () {
                return !(!l || "__initialize" in l && this.name === r.prototype.name)
            }
        }).call(e, function () {
            return this
        }())
    }, function (t, e) {
    }, function (t, e) {
        var n = [].indexOf;
        t.exports = function (t, e) {
            if (n) return t.indexOf(e);
            for (var r = 0; r < t.length; ++r) if (t[r] === e) return r;
            return -1
        }
    }, function (t, e, n) {
        "use strict";

        function r(t, e, n) {
            this.io = t, this.nsp = e, this.json = this, this.ids = 0, this.acks = {}, this.receiveBuffer = [], this.sendBuffer = [], this.connected = !1, this.disconnected = !0, this.flags = {}, n && n.query && (this.query = n.query), this.io.autoConnect && this.open()
        }

        var o = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (t) {
                return typeof t
            } : function (t) {
                return t && "function" == typeof Symbol && t.constructor === Symbol && t !== Symbol.prototype ? "symbol" : typeof t
            }, i = n(7), s = n(8), a = n(38), c = n(39), u = n(40), p = n(3)("socket.io-client:socket"), h = n(30),
            f = n(23);
        t.exports = e = r;
        var l = {
            connect: 1,
            connect_error: 1,
            connect_timeout: 1,
            connecting: 1,
            disconnect: 1,
            error: 1,
            reconnect: 1,
            reconnect_attempt: 1,
            reconnect_failed: 1,
            reconnect_error: 1,
            reconnecting: 1,
            ping: 1,
            pong: 1
        }, d = s.prototype.emit;
        s(r.prototype), r.prototype.subEvents = function () {
            if (!this.subs) {
                var t = this.io;
                this.subs = [c(t, "open", u(this, "onopen")), c(t, "packet", u(this, "onpacket")), c(t, "close", u(this, "onclose"))]
            }
        }, r.prototype.open = r.prototype.connect = function () {
            return this.connected ? this : (this.subEvents(), this.io.open(), "open" === this.io.readyState && this.onopen(), this.emit("connecting"), this)
        }, r.prototype.send = function () {
            var t = a(arguments);
            return t.unshift("message"), this.emit.apply(this, t), this
        }, r.prototype.emit = function (t) {
            if (l.hasOwnProperty(t)) return d.apply(this, arguments), this;
            var e = a(arguments), n = {
                type: (void 0 !== this.flags.binary ? this.flags.binary : f(e)) ? i.BINARY_EVENT : i.EVENT,
                data: e
            };
            return n.options = {}, n.options.compress = !this.flags || !1 !== this.flags.compress, "function" == typeof e[e.length - 1] && (p("emitting packet with ack id %d", this.ids), this.acks[this.ids] = e.pop(), n.id = this.ids++), this.connected ? this.packet(n) : this.sendBuffer.push(n), this.flags = {}, this
        }, r.prototype.packet = function (t) {
            t.nsp = this.nsp, this.io.packet(t)
        }, r.prototype.onopen = function () {
            if (p("transport is open - connecting"), "/" !== this.nsp) if (this.query) {
                var t = "object" === o(this.query) ? h.encode(this.query) : this.query;
                p("sending connect packet with query %s", t), this.packet({type: i.CONNECT, query: t})
            } else this.packet({type: i.CONNECT})
        }, r.prototype.onclose = function (t) {
            p("close (%s)", t), this.connected = !1, this.disconnected = !0, delete this.id, this.emit("disconnect", t)
        }, r.prototype.onpacket = function (t) {
            var e = t.nsp === this.nsp, n = t.type === i.ERROR && "/" === t.nsp;
            if (e || n) switch (t.type) {
                case i.CONNECT:
                    this.onconnect();
                    break;
                case i.EVENT:
                    this.onevent(t);
                    break;
                case i.BINARY_EVENT:
                    this.onevent(t);
                    break;
                case i.ACK:
                    this.onack(t);
                    break;
                case i.BINARY_ACK:
                    this.onack(t);
                    break;
                case i.DISCONNECT:
                    this.ondisconnect();
                    break;
                case i.ERROR:
                    this.emit("error", t.data)
            }
        }, r.prototype.onevent = function (t) {
            var e = t.data || [];
            p("emitting event %j", e), null != t.id && (p("attaching ack callback to event"), e.push(this.ack(t.id))), this.connected ? d.apply(this, e) : this.receiveBuffer.push(e)
        }, r.prototype.ack = function (t) {
            var e = this, n = !1;
            return function () {
                if (!n) {
                    n = !0;
                    var r = a(arguments);
                    p("sending ack %j", r), e.packet({type: f(r) ? i.BINARY_ACK : i.ACK, id: t, data: r})
                }
            }
        }, r.prototype.onack = function (t) {
            var e = this.acks[t.id];
            "function" == typeof e ? (p("calling ack %s with %j", t.id, t.data), e.apply(this, t.data), delete this.acks[t.id]) : p("bad ack %s", t.id)
        }, r.prototype.onconnect = function () {
            this.connected = !0, this.disconnected = !1, this.emit("connect"), this.emitBuffered()
        }, r.prototype.emitBuffered = function () {
            var t;
            for (t = 0; t < this.receiveBuffer.length; t++) d.apply(this, this.receiveBuffer[t]);
            for (this.receiveBuffer = [], t = 0; t < this.sendBuffer.length; t++) this.packet(this.sendBuffer[t]);
            this.sendBuffer = []
        }, r.prototype.ondisconnect = function () {
            p("server disconnect (%s)", this.nsp), this.destroy(), this.onclose("io server disconnect")
        }, r.prototype.destroy = function () {
            if (this.subs) {
                for (var t = 0; t < this.subs.length; t++) this.subs[t].destroy();
                this.subs = null
            }
            this.io.destroy(this)
        }, r.prototype.close = r.prototype.disconnect = function () {
            return this.connected && (p("performing disconnect (%s)", this.nsp), this.packet({type: i.DISCONNECT})), this.destroy(), this.connected && this.onclose("io client disconnect"), this
        }, r.prototype.compress = function (t) {
            return this.flags.compress = t, this
        }, r.prototype.binary = function (t) {
            return this.flags.binary = t, this
        }
    }, function (t, e) {
        function n(t, e) {
            var n = [];
            e = e || 0;
            for (var r = e || 0; r < t.length; r++) n[r - e] = t[r];
            return n
        }

        t.exports = n
    }, function (t, e) {
        "use strict";

        function n(t, e, n) {
            return t.on(e, n), {
                destroy: function () {
                    t.removeListener(e, n)
                }
            }
        }

        t.exports = n
    }, function (t, e) {
        var n = [].slice;
        t.exports = function (t, e) {
            if ("string" == typeof e && (e = t[e]), "function" != typeof e) throw new Error("bind() requires a function");
            var r = n.call(arguments, 2);
            return function () {
                return e.apply(t, r.concat(n.call(arguments)))
            }
        }
    }, function (t, e) {
        function n(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.exports = n, n.prototype.duration = function () {
            var t = this.ms * Math.pow(this.factor, this.attempts++);
            if (this.jitter) {
                var e = Math.random(), n = Math.floor(e * this.jitter * t);
                t = 0 == (1 & Math.floor(10 * e)) ? t - n : t + n
            }
            return 0 | Math.min(t, this.max)
        }, n.prototype.reset = function () {
            this.attempts = 0
        }, n.prototype.setMin = function (t) {
            this.ms = t
        }, n.prototype.setMax = function (t) {
            this.max = t
        }, n.prototype.setJitter = function (t) {
            this.jitter = t
        }
    }])
});
CLIENT = client(config);