doipjs/node_modules/nise/nise.js

(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.nise = f()}})(function(){var define,module,exports;return (function(){function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s}return e})()({1:[function(require,module,exports){
"use strict";

// cache a reference to setTimeout, so that our reference won't be stubbed out
// when using fake timers and errors will still get logged
// https://github.com/cjohansen/Sinon.JS/issues/381
var realSetTimeout = setTimeout;

function configureLogger(config) {
    // eslint-disable-next-line no-param-reassign
    config = config || {};
    // Function which prints errors.
    if (!config.hasOwnProperty("logger")) {
        // eslint-disable-next-line no-empty-function
        config.logger = function() {};
    }
    // When set to true, any errors logged will be thrown immediately;
    // If set to false, the errors will be thrown in separate execution frame.
    if (!config.hasOwnProperty("useImmediateExceptions")) {
        config.useImmediateExceptions = true;
    }
    // wrap realSetTimeout with something we can stub in tests
    if (!config.hasOwnProperty("setTimeout")) {
        config.setTimeout = realSetTimeout;
    }

    return function logError(label, e) {
        var msg = label + " threw exception: ";
        var err = {
            name: e.name || label,
            message: e.message || e.toString(),
            stack: e.stack
        };

        function throwLoggedError() {
            err.message = msg + err.message;
            throw err;
        }

        config.logger(msg + "[" + err.name + "] " + err.message);

        if (err.stack) {
            config.logger(err.stack);
        }

        if (config.useImmediateExceptions) {
            throwLoggedError();
        } else {
            config.setTimeout(throwLoggedError, 0);
        }
    };
}

module.exports = configureLogger;

},{}],2:[function(require,module,exports){
"use strict";

var Event = require("./event");

function CustomEvent(type, customData, target) {
    this.initEvent(type, false, false, target);
    this.detail = customData.detail || null;
}

CustomEvent.prototype = new Event();

CustomEvent.prototype.constructor = CustomEvent;

module.exports = CustomEvent;

},{"./event":4}],3:[function(require,module,exports){
"use strict";

function flattenOptions(options) {
    if (options !== Object(options)) {
        return {
            capture: Boolean(options),
            once: false,
            passive: false
        };
    }
    return {
        capture: Boolean(options.capture),
        once: Boolean(options.once),
        passive: Boolean(options.passive)
    };
}
function not(fn) {
    return function() {
        return !fn.apply(this, arguments);
    };
}
function hasListenerFilter(listener, capture) {
    return function(listenerSpec) {
        return (
            listenerSpec.capture === capture &&
            listenerSpec.listener === listener
        );
    };
}

var EventTarget = {
    // https://dom.spec.whatwg.org/#dom-eventtarget-addeventlistener
    addEventListener: function addEventListener(
        event,
        listener,
        providedOptions
    ) {
        // 3. Let capture, passive, and once be the result of flattening more options.
        // Flatten property before executing step 2,
        // feture detection is usually based on registering handler with options object,
        // that has getter defined
        // addEventListener("load", () => {}, {
        //    get once() { supportsOnce = true; }
        // });
        var options = flattenOptions(providedOptions);

        // 2. If callback is null, then return.
        if (listener === null || listener === undefined) {
            return;
        }

        this.eventListeners = this.eventListeners || {};
        this.eventListeners[event] = this.eventListeners[event] || [];

        // 4. If context object’s associated list of event listener
        //    does not contain an event listener whose type is type,
        //    callback is callback, and capture is capture, then append
        //    a new event listener to it, whose type is type, callback is
        //    callback, capture is capture, passive is passive, and once is once.
        if (
            !this.eventListeners[event].some(
                hasListenerFilter(listener, options.capture)
            )
        ) {
            this.eventListeners[event].push({
                listener: listener,
                capture: options.capture,
                once: options.once
            });
        }
    },

    // https://dom.spec.whatwg.org/#dom-eventtarget-removeeventlistener
    removeEventListener: function removeEventListener(
        event,
        listener,
        providedOptions
    ) {
        if (!this.eventListeners || !this.eventListeners[event]) {
            return;
        }

        // 2. Let capture be the result of flattening options.
        var options = flattenOptions(providedOptions);

        // 3. If there is an event listener in the associated list of
        //    event listeners whose type is type, callback is callback,
        //    and capture is capture, then set that event listener’s
        //    removed to true and remove it from the associated list of event listeners.
        this.eventListeners[event] = this.eventListeners[event].filter(
            not(hasListenerFilter(listener, options.capture))
        );
    },

    dispatchEvent: function dispatchEvent(event) {
        if (!this.eventListeners || !this.eventListeners[event.type]) {
            return Boolean(event.defaultPrevented);
        }

        var self = this;
        var type = event.type;
        var listeners = self.eventListeners[type];

        // Remove listeners, that should be dispatched once
        // before running dispatch loop to avoid nested dispatch issues
        self.eventListeners[type] = listeners.filter(function(listenerSpec) {
            return !listenerSpec.once;
        });
        listeners.forEach(function(listenerSpec) {
            var listener = listenerSpec.listener;
            if (typeof listener === "function") {
                listener.call(self, event);
            } else {
                listener.handleEvent(event);
            }
        });

        return Boolean(event.defaultPrevented);
    }
};

module.exports = EventTarget;

},{}],4:[function(require,module,exports){
"use strict";

function Event(type, bubbles, cancelable, target) {
    this.initEvent(type, bubbles, cancelable, target);
}

Event.prototype = {
    initEvent: function(type, bubbles, cancelable, target) {
        this.type = type;
        this.bubbles = bubbles;
        this.cancelable = cancelable;
        this.target = target;
        this.currentTarget = target;
    },

    // eslint-disable-next-line no-empty-function
    stopPropagation: function() {},

    preventDefault: function() {
        this.defaultPrevented = true;
    }
};

module.exports = Event;

},{}],5:[function(require,module,exports){
"use strict";

module.exports = {
    Event: require("./event"),
    ProgressEvent: require("./progress-event"),
    CustomEvent: require("./custom-event"),
    EventTarget: require("./event-target")
};

},{"./custom-event":2,"./event":4,"./event-target":3,"./progress-event":6}],6:[function(require,module,exports){
"use strict";

var Event = require("./event");

function ProgressEvent(type, progressEventRaw, target) {
    this.initEvent(type, false, false, target);
    this.loaded =
        typeof progressEventRaw.loaded === "number"
            ? progressEventRaw.loaded
            : null;
    this.total =
        typeof progressEventRaw.total === "number"
            ? progressEventRaw.total
            : null;
    this.lengthComputable = Boolean(progressEventRaw.total);
}

ProgressEvent.prototype = new Event();

ProgressEvent.prototype.constructor = ProgressEvent;

module.exports = ProgressEvent;

},{"./event":4}],7:[function(require,module,exports){
"use strict";

var FakeTimers = require("@sinonjs/fake-timers");
var fakeServer = require("./index");

// eslint-disable-next-line no-empty-function
function Server() {}
Server.prototype = fakeServer;

var fakeServerWithClock = new Server();

fakeServerWithClock.addRequest = function addRequest(xhr) {
    if (xhr.async) {
        if (typeof setTimeout.clock === "object") {
            this.clock = setTimeout.clock;
        } else {
            this.clock = FakeTimers.install();
            this.resetClock = true;
        }

        if (!this.longestTimeout) {
            var clockSetTimeout = this.clock.setTimeout;
            var clockSetInterval = this.clock.setInterval;
            var server = this;

            this.clock.setTimeout = function(fn, timeout) {
                server.longestTimeout = Math.max(
                    timeout,
                    server.longestTimeout || 0
                );

                return clockSetTimeout.apply(this, arguments);
            };

            this.clock.setInterval = function(fn, timeout) {
                server.longestTimeout = Math.max(
                    timeout,
                    server.longestTimeout || 0
                );

                return clockSetInterval.apply(this, arguments);
            };
        }
    }

    return fakeServer.addRequest.call(this, xhr);
};

fakeServerWithClock.respond = function respond() {
    var returnVal = fakeServer.respond.apply(this, arguments);

    if (this.clock) {
        this.clock.tick(this.longestTimeout || 0);
        this.longestTimeout = 0;

        if (this.resetClock) {
            this.clock.uninstall();
            this.resetClock = false;
        }
    }

    return returnVal;
};

fakeServerWithClock.restore = function restore() {
    if (this.clock) {
        this.clock.uninstall();
    }

    return fakeServer.restore.apply(this, arguments);
};

module.exports = fakeServerWithClock;

},{"./index":8,"@sinonjs/fake-timers":31}],8:[function(require,module,exports){
"use strict";

var fakeXhr = require("../fake-xhr");
var push = [].push;
var log = require("./log");
var configureLogError = require("../configure-logger");
var pathToRegexp = require("path-to-regexp");

var supportsArrayBuffer = typeof ArrayBuffer !== "undefined";

function responseArray(handler) {
    var response = handler;

    if (Object.prototype.toString.call(handler) !== "[object Array]") {
        response = [200, {}, handler];
    }

    if (typeof response[2] !== "string") {
        if (!supportsArrayBuffer) {
            throw new TypeError(
                "Fake server response body should be a string, but was " +
                    typeof response[2]
            );
        } else if (!(response[2] instanceof ArrayBuffer)) {
            throw new TypeError(
                "Fake server response body should be a string or ArrayBuffer, but was " +
                    typeof response[2]
            );
        }
    }

    return response;
}

function getDefaultWindowLocation() {
    var winloc = {
        hostname: "localhost",
        port: process.env.PORT || 80,
        protocol: "http:"
    };
    winloc.host =
        winloc.hostname +
        (String(winloc.port) === "80" ? "" : ":" + winloc.port);
    return winloc;
}

function getWindowLocation() {
    if (typeof window === "undefined") {
        // Fallback
        return getDefaultWindowLocation();
    }

    if (typeof window.location !== "undefined") {
        // Browsers place location on window
        return window.location;
    }

    if (
        typeof window.window !== "undefined" &&
        typeof window.window.location !== "undefined"
    ) {
        // React Native on Android places location on window.window
        return window.window.location;
    }

    return getDefaultWindowLocation();
}

function matchOne(response, reqMethod, reqUrl) {
    var rmeth = response.method;
    var matchMethod = !rmeth || rmeth.toLowerCase() === reqMethod.toLowerCase();
    var url = response.url;
    var matchUrl =
        !url ||
        url === reqUrl ||
        (typeof url.test === "function" && url.test(reqUrl));

    return matchMethod && matchUrl;
}

function match(response, request) {
    var wloc = getWindowLocation();

    var rCurrLoc = new RegExp("^" + wloc.protocol + "//" + wloc.host + "/");

    var requestUrl = request.url;

    if (!/^https?:\/\//.test(requestUrl) || rCurrLoc.test(requestUrl)) {
        requestUrl = requestUrl.replace(rCurrLoc, "/");
    }

    if (matchOne(response, this.getHTTPMethod(request), requestUrl)) {
        if (typeof response.response === "function") {
            var ru = response.url;
            var args = [request].concat(
                ru && typeof ru.exec === "function"
                    ? ru.exec(requestUrl).slice(1)
                    : []
            );
            return response.response.apply(response, args);
        }

        return true;
    }

    return false;
}

function incrementRequestCount() {
    var count = ++this.requestCount;

    this.requested = true;

    this.requestedOnce = count === 1;
    this.requestedTwice = count === 2;
    this.requestedThrice = count === 3;

    this.firstRequest = this.getRequest(0);
    this.secondRequest = this.getRequest(1);
    this.thirdRequest = this.getRequest(2);

    this.lastRequest = this.getRequest(count - 1);
}

var fakeServer = {
    create: function(config) {
        var server = Object.create(this);
        server.configure(config);
        this.xhr = fakeXhr.useFakeXMLHttpRequest();
        server.requests = [];
        server.requestCount = 0;
        server.queue = [];
        server.responses = [];

        this.xhr.onCreate = function(xhrObj) {
            xhrObj.unsafeHeadersEnabled = function() {
                return !(server.unsafeHeadersEnabled === false);
            };
            server.addRequest(xhrObj);
        };

        return server;
    },

    configure: function(config) {
        var self = this;
        var whitelist = {
            autoRespond: true,
            autoRespondAfter: true,
            respondImmediately: true,
            fakeHTTPMethods: true,
            logger: true,
            unsafeHeadersEnabled: true
        };

        // eslint-disable-next-line no-param-reassign
        config = config || {};

        Object.keys(config).forEach(function(setting) {
            if (setting in whitelist) {
                self[setting] = config[setting];
            }
        });

        self.logError = configureLogError(config);
    },

    addRequest: function addRequest(xhrObj) {
        var server = this;
        push.call(this.requests, xhrObj);

        incrementRequestCount.call(this);

        xhrObj.onSend = function() {
            server.handleRequest(this);

            if (server.respondImmediately) {
                server.respond();
            } else if (server.autoRespond && !server.responding) {
                setTimeout(function() {
                    server.responding = false;
                    server.respond();
                }, server.autoRespondAfter || 10);

                server.responding = true;
            }
        };
    },

    getHTTPMethod: function getHTTPMethod(request) {
        if (this.fakeHTTPMethods && /post/i.test(request.method)) {
            var matches = (request.requestBody || "").match(
                /_method=([^\b;]+)/
            );
            return matches ? matches[1] : request.method;
        }

        return request.method;
    },

    handleRequest: function handleRequest(xhr) {
        if (xhr.async) {
            push.call(this.queue, xhr);
        } else {
            this.processRequest(xhr);
        }
    },

    logger: function() {
        // no-op; override via configure()
    },

    logError: configureLogError({}),

    log: log,

    respondWith: function respondWith(method, url, body) {
        if (arguments.length === 1 && typeof method !== "function") {
            this.response = responseArray(method);
            return;
        }

        if (arguments.length === 1) {
            // eslint-disable-next-line no-param-reassign
            body = method;
            // eslint-disable-next-line no-param-reassign
            url = method = null;
        }

        if (arguments.length === 2) {
            // eslint-disable-next-line no-param-reassign
            body = url;
            // eslint-disable-next-line no-param-reassign
            url = method;
            // eslint-disable-next-line no-param-reassign
            method = null;
        }

        // Escape port number to prevent "named" parameters in 'path-to-regexp' module
        if (typeof url === "string" && url !== "" && /:[0-9]+\//.test(url)) {
            var m = url.match(/^(https?:\/\/.*?):([0-9]+\/.*)$/);
            // eslint-disable-next-line no-param-reassign
            url = m[1] + "\\:" + m[2];
        }

        push.call(this.responses, {
            method: method,
            url:
                typeof url === "string" && url !== "" ? pathToRegexp(url) : url,
            response: typeof body === "function" ? body : responseArray(body)
        });
    },

    respond: function respond() {
        if (arguments.length > 0) {
            this.respondWith.apply(this, arguments);
        }

        var queue = this.queue || [];
        var requests = queue.splice(0, queue.length);
        var self = this;

        requests.forEach(function(request) {
            self.processRequest(request);
        });
    },

    respondAll: function respondAll() {
        if (this.respondImmediately) {
            return;
        }

        this.queue = this.requests.slice(0);

        var request;
        while ((request = this.queue.shift())) {
            this.processRequest(request);
        }
    },

    processRequest: function processRequest(request) {
        try {
            if (request.aborted) {
                return;
            }

            var response = this.response || [404, {}, ""];

            if (this.responses) {
                for (var l = this.responses.length, i = l - 1; i >= 0; i--) {
                    if (match.call(this, this.responses[i], request)) {
                        response = this.responses[i].response;
                        break;
                    }
                }
            }

            if (request.readyState !== 4) {
                this.log(response, request);

                request.respond(response[0], response[1], response[2]);
            }
        } catch (e) {
            this.logError("Fake server request processing", e);
        }
    },

    restore: function restore() {
        return this.xhr.restore && this.xhr.restore.apply(this.xhr, arguments);
    },

    getRequest: function getRequest(index) {
        return this.requests[index] || null;
    },

    reset: function reset() {
        this.resetBehavior();
        this.resetHistory();
    },

    resetBehavior: function resetBehavior() {
        this.responses.length = this.queue.length = 0;
    },

    resetHistory: function resetHistory() {
        this.requests.length = this.requestCount = 0;

        this.requestedOnce = this.requestedTwice = this.requestedThrice = this.requested = false;

        this.firstRequest = this.secondRequest = this.thirdRequest = this.lastRequest = null;
    }
};

module.exports = fakeServer;

},{"../configure-logger":1,"../fake-xhr":11,"./log":9,"path-to-regexp":38}],9:[function(require,module,exports){
"use strict";
var inspect = require("util").inspect;

function log(response, request) {
    var str;

    str = "Request:\n" + inspect(request) + "\n\n";
    str += "Response:\n" + inspect(response) + "\n\n";

    /* istanbul ignore else: when this.logger is not a function, it can't be called */
    if (typeof this.logger === "function") {
        this.logger(str);
    }
}

module.exports = log;

},{"util":41}],10:[function(require,module,exports){
"use strict";

exports.isSupported = (function() {
    try {
        return Boolean(new Blob());
    } catch (e) {
        return false;
    }
})();

},{}],11:[function(require,module,exports){
"use strict";

var GlobalTextEncoder =
    typeof TextEncoder !== "undefined"
        ? TextEncoder
        : require("@sinonjs/text-encoding").TextEncoder;
var globalObject = require("@sinonjs/commons").global;
var configureLogError = require("../configure-logger");
var sinonEvent = require("../event");
var extend = require("just-extend");

var supportsProgress = typeof ProgressEvent !== "undefined";
var supportsCustomEvent = typeof CustomEvent !== "undefined";
var supportsFormData = typeof FormData !== "undefined";
var supportsArrayBuffer = typeof ArrayBuffer !== "undefined";
var supportsBlob = require("./blob").isSupported;

function getWorkingXHR(globalScope) {
    var supportsXHR = typeof globalScope.XMLHttpRequest !== "undefined";
    if (supportsXHR) {
        return globalScope.XMLHttpRequest;
    }

    var supportsActiveX = typeof globalScope.ActiveXObject !== "undefined";
    if (supportsActiveX) {
        return function() {
            return new globalScope.ActiveXObject("MSXML2.XMLHTTP.3.0");
        };
    }

    return false;
}

// Ref: https://fetch.spec.whatwg.org/#forbidden-header-name
var unsafeHeaders = {
    "Accept-Charset": true,
    "Access-Control-Request-Headers": true,
    "Access-Control-Request-Method": true,
    "Accept-Encoding": true,
    Connection: true,
    "Content-Length": true,
    Cookie: true,
    Cookie2: true,
    "Content-Transfer-Encoding": true,
    Date: true,
    DNT: true,
    Expect: true,
    Host: true,
    "Keep-Alive": true,
    Origin: true,
    Referer: true,
    TE: true,
    Trailer: true,
    "Transfer-Encoding": true,
    Upgrade: true,
    "User-Agent": true,
    Via: true
};

function EventTargetHandler() {
    var self = this;
    var events = [
        "loadstart",
        "progress",
        "abort",
        "error",
        "load",
        "timeout",
        "loadend"
    ];

    function addEventListener(eventName) {
        self.addEventListener(eventName, function(event) {
            var listener = self["on" + eventName];

            if (listener && typeof listener === "function") {
                listener.call(this, event);
            }
        });
    }

    events.forEach(addEventListener);
}

EventTargetHandler.prototype = sinonEvent.EventTarget;

function normalizeHeaderValue(value) {
    // Ref: https://fetch.spec.whatwg.org/#http-whitespace-bytes
    /*eslint no-control-regex: "off"*/
    return value.replace(/^[\x09\x0A\x0D\x20]+|[\x09\x0A\x0D\x20]+$/g, "");
}

function getHeader(headers, header) {
    var foundHeader = Object.keys(headers).filter(function(h) {
        return h.toLowerCase() === header.toLowerCase();
    });

    return foundHeader[0] || null;
}

function excludeSetCookie2Header(header) {
    return !/^Set-Cookie2?$/i.test(header);
}

function verifyResponseBodyType(body, responseType) {
    var error = null;
    var isString = typeof body === "string";

    if (responseType === "arraybuffer") {
        if (!isString && !(body instanceof ArrayBuffer)) {
            error = new Error(
                "Attempted to respond to fake XMLHttpRequest with " +
                    body +
                    ", which is not a string or ArrayBuffer."
            );
            error.name = "InvalidBodyException";
        }
    } else if (!isString) {
        error = new Error(
            "Attempted to respond to fake XMLHttpRequest with " +
                body +
                ", which is not a string."
        );
        error.name = "InvalidBodyException";
    }

    if (error) {
        throw error;
    }
}

function convertToArrayBuffer(body, encoding) {
    if (body instanceof ArrayBuffer) {
        return body;
    }

    return new GlobalTextEncoder(encoding || "utf-8").encode(body).buffer;
}

function isXmlContentType(contentType) {
    return (
        !contentType ||
        /(text\/xml)|(application\/xml)|(\+xml)/.test(contentType)
    );
}

function clearResponse(xhr) {
    if (xhr.responseType === "" || xhr.responseType === "text") {
        xhr.response = xhr.responseText = "";
    } else {
        xhr.response = xhr.responseText = null;
    }
    xhr.responseXML = null;
}

function fakeXMLHttpRequestFor(globalScope) {
    var isReactNative =
        globalScope.navigator &&
        globalScope.navigator.product === "ReactNative";
    var sinonXhr = { XMLHttpRequest: globalScope.XMLHttpRequest };
    sinonXhr.GlobalXMLHttpRequest = globalScope.XMLHttpRequest;
    sinonXhr.GlobalActiveXObject = globalScope.ActiveXObject;
    sinonXhr.supportsActiveX =
        typeof sinonXhr.GlobalActiveXObject !== "undefined";
    sinonXhr.supportsXHR = typeof sinonXhr.GlobalXMLHttpRequest !== "undefined";
    sinonXhr.workingXHR = getWorkingXHR(globalScope);
    sinonXhr.supportsTimeout =
        sinonXhr.supportsXHR &&
        "timeout" in new sinonXhr.GlobalXMLHttpRequest();
    sinonXhr.supportsCORS =
        isReactNative ||
        (sinonXhr.supportsXHR &&
            "withCredentials" in new sinonXhr.GlobalXMLHttpRequest());

    // Note that for FakeXMLHttpRequest to work pre ES5
    // we lose some of the alignment with the spec.
    // To ensure as close a match as possible,
    // set responseType before calling open, send or respond;
    function FakeXMLHttpRequest(config) {
        EventTargetHandler.call(this);
        this.readyState = FakeXMLHttpRequest.UNSENT;
        this.requestHeaders = {};
        this.requestBody = null;
        this.status = 0;
        this.statusText = "";
        this.upload = new EventTargetHandler();
        this.responseType = "";
        this.response = "";
        this.logError = configureLogError(config);

        if (sinonXhr.supportsTimeout) {
            this.timeout = 0;
        }

        if (sinonXhr.supportsCORS) {
            this.withCredentials = false;
        }

        if (typeof FakeXMLHttpRequest.onCreate === "function") {
            FakeXMLHttpRequest.onCreate(this);
        }
    }

    function verifyState(xhr) {
        if (xhr.readyState !== FakeXMLHttpRequest.OPENED) {
            throw new Error("INVALID_STATE_ERR");
        }

        if (xhr.sendFlag) {
            throw new Error("INVALID_STATE_ERR");
        }
    }

    // largest arity in XHR is 5 - XHR#open
    var apply = function(obj, method, args) {
        switch (args.length) {
            case 0:
                return obj[method]();
            case 1:
                return obj[method](args[0]);
            case 2:
                return obj[method](args[0], args[1]);
            case 3:
                return obj[method](args[0], args[1], args[2]);
            case 4:
                return obj[method](args[0], args[1], args[2], args[3]);
            case 5:
                return obj[method](args[0], args[1], args[2], args[3], args[4]);
            default:
                throw new Error("Unhandled case");
        }
    };

    FakeXMLHttpRequest.filters = [];
    FakeXMLHttpRequest.addFilter = function addFilter(fn) {
        this.filters.push(fn);
    };
    FakeXMLHttpRequest.defake = function defake(fakeXhr, xhrArgs) {
        var xhr = new sinonXhr.workingXHR(); // eslint-disable-line new-cap

        [
            "open",
            "setRequestHeader",
            "abort",
            "getResponseHeader",
            "getAllResponseHeaders",
            "addEventListener",
            "overrideMimeType",
            "removeEventListener"
        ].forEach(function(method) {
            fakeXhr[method] = function() {
                return apply(xhr, method, arguments);
            };
        });

        fakeXhr.send = function() {
            // Ref: https://xhr.spec.whatwg.org/#the-responsetype-attribute
            if (xhr.responseType !== fakeXhr.responseType) {
                xhr.responseType = fakeXhr.responseType;
            }
            return apply(xhr, "send", arguments);
        };

        var copyAttrs = function(args) {
            args.forEach(function(attr) {
                fakeXhr[attr] = xhr[attr];
            });
        };

        var stateChangeStart = function() {
            fakeXhr.readyState = xhr.readyState;
            if (xhr.readyState >= FakeXMLHttpRequest.HEADERS_RECEIVED) {
                copyAttrs(["status", "statusText"]);
            }
            if (xhr.readyState >= FakeXMLHttpRequest.LOADING) {
                copyAttrs(["response"]);
                if (xhr.responseType === "" || xhr.responseType === "text") {
                    copyAttrs(["responseText"]);
                }
            }
            if (
                xhr.readyState === FakeXMLHttpRequest.DONE &&
                (xhr.responseType === "" || xhr.responseType === "document")
            ) {
                copyAttrs(["responseXML"]);
            }
        };

        var stateChangeEnd = function() {
            if (fakeXhr.onreadystatechange) {
                // eslint-disable-next-line no-useless-call
                fakeXhr.onreadystatechange.call(fakeXhr, {
                    target: fakeXhr,
                    currentTarget: fakeXhr
                });
            }
        };

        var stateChange = function stateChange() {
            stateChangeStart();
            stateChangeEnd();
        };

        if (xhr.addEventListener) {
            xhr.addEventListener("readystatechange", stateChangeStart);

            Object.keys(fakeXhr.eventListeners).forEach(function(event) {
                /*eslint-disable no-loop-func*/
                fakeXhr.eventListeners[event].forEach(function(handler) {
                    xhr.addEventListener(event, handler.listener, {
                        capture: handler.capture,
                        once: handler.once
                    });
                });
                /*eslint-enable no-loop-func*/
            });

            xhr.addEventListener("readystatechange", stateChangeEnd);
        } else {
            xhr.onreadystatechange = stateChange;
        }
        apply(xhr, "open", xhrArgs);
    };
    FakeXMLHttpRequest.useFilters = false;

    function verifyRequestOpened(xhr) {
        if (xhr.readyState !== FakeXMLHttpRequest.OPENED) {
            throw new Error("INVALID_STATE_ERR - " + xhr.readyState);
        }
    }

    function verifyRequestSent(xhr) {
        if (xhr.readyState === FakeXMLHttpRequest.DONE) {
            throw new Error("Request done");
        }
    }

    function verifyHeadersReceived(xhr) {
        if (
            xhr.async &&
            xhr.readyState !== FakeXMLHttpRequest.HEADERS_RECEIVED
        ) {
            throw new Error("No headers received");
        }
    }

    function convertResponseBody(responseType, contentType, body) {
        if (responseType === "" || responseType === "text") {
            return body;
        } else if (supportsArrayBuffer && responseType === "arraybuffer") {
            return convertToArrayBuffer(body);
        } else if (responseType === "json") {
            try {
                return JSON.parse(body);
            } catch (e) {
                // Return parsing failure as null
                return null;
            }
        } else if (supportsBlob && responseType === "blob") {
            var blobOptions = {};
            if (contentType) {
                blobOptions.type = contentType;
            }
            return new Blob([convertToArrayBuffer(body)], blobOptions);
        } else if (responseType === "document") {
            if (isXmlContentType(contentType)) {
                return FakeXMLHttpRequest.parseXML(body);
            }
            return null;
        }
        throw new Error("Invalid responseType " + responseType);
    }

    /**
     * Steps to follow when there is an error, according to:
     * https://xhr.spec.whatwg.org/#request-error-steps
     */
    function requestErrorSteps(xhr) {
        clearResponse(xhr);
        xhr.errorFlag = true;
        xhr.requestHeaders = {};
        xhr.responseHeaders = {};

        if (
            xhr.readyState !== FakeXMLHttpRequest.UNSENT &&
            xhr.sendFlag &&
            xhr.readyState !== FakeXMLHttpRequest.DONE
        ) {
            xhr.readyStateChange(FakeXMLHttpRequest.DONE);
            xhr.sendFlag = false;
        }
    }

    FakeXMLHttpRequest.parseXML = function parseXML(text) {
        // Treat empty string as parsing failure
        if (text !== "") {
            try {
                if (typeof DOMParser !== "undefined") {
                    var parser = new DOMParser();
                    var parsererrorNS = "";

                    try {
                        var parsererrors = parser
                            .parseFromString("INVALID", "text/xml")
                            .getElementsByTagName("parsererror");
                        if (parsererrors.length) {
                            parsererrorNS = parsererrors[0].namespaceURI;
                        }
                    } catch (e) {
                        // passing invalid XML makes IE11 throw
                        // so no namespace needs to be determined
                    }

                    var result;
                    try {
                        result = parser.parseFromString(text, "text/xml");
                    } catch (err) {
                        return null;
                    }

                    return result.getElementsByTagNameNS(
                        parsererrorNS,
                        "parsererror"
                    ).length
                        ? null
                        : result;
                }
                var xmlDoc = new window.ActiveXObject("Microsoft.XMLDOM");
                xmlDoc.async = "false";
                xmlDoc.loadXML(text);
                return xmlDoc.parseError.errorCode !== 0 ? null : xmlDoc;
            } catch (e) {
                // Unable to parse XML - no biggie
            }
        }

        return null;
    };

    FakeXMLHttpRequest.statusCodes = {
        100: "Continue",
        101: "Switching Protocols",
        200: "OK",
        201: "Created",
        202: "Accepted",
        203: "Non-Authoritative Information",
        204: "No Content",
        205: "Reset Content",
        206: "Partial Content",
        207: "Multi-Status",
        300: "Multiple Choice",
        301: "Moved Permanently",
        302: "Found",
        303: "See Other",
        304: "Not Modified",
        305: "Use Proxy",
        307: "Temporary Redirect",
        400: "Bad Request",
        401: "Unauthorized",
        402: "Payment Required",
        403: "Forbidden",
        404: "Not Found",
        405: "Method Not Allowed",
        406: "Not Acceptable",
        407: "Proxy Authentication Required",
        408: "Request Timeout",
        409: "Conflict",
        410: "Gone",
        411: "Length Required",
        412: "Precondition Failed",
        413: "Request Entity Too Large",
        414: "Request-URI Too Long",
        415: "Unsupported Media Type",
        416: "Requested Range Not Satisfiable",
        417: "Expectation Failed",
        422: "Unprocessable Entity",
        500: "Internal Server Error",
        501: "Not Implemented",
        502: "Bad Gateway",
        503: "Service Unavailable",
        504: "Gateway Timeout",
        505: "HTTP Version Not Supported"
    };

    extend(FakeXMLHttpRequest.prototype, sinonEvent.EventTarget, {
        async: true,

        open: function open(method, url, async, username, password) {
            this.method = method;
            this.url = url;
            this.async = typeof async === "boolean" ? async : true;
            this.username = username;
            this.password = password;
            clearResponse(this);
            this.requestHeaders = {};
            this.sendFlag = false;

            if (FakeXMLHttpRequest.useFilters === true) {
                var xhrArgs = arguments;
                var defake = FakeXMLHttpRequest.filters.some(function(filter) {
                    return filter.apply(this, xhrArgs);
                });
                if (defake) {
                    FakeXMLHttpRequest.defake(this, arguments);
                    return;
                }
            }
            this.readyStateChange(FakeXMLHttpRequest.OPENED);
        },

        readyStateChange: function readyStateChange(state) {
            this.readyState = state;

            var readyStateChangeEvent = new sinonEvent.Event(
                "readystatechange",
                false,
                false,
                this
            );
            var event, progress;

            if (typeof this.onreadystatechange === "function") {
                try {
                    this.onreadystatechange(readyStateChangeEvent);
                } catch (e) {
                    this.logError("Fake XHR onreadystatechange handler", e);
                }
            }

            if (this.readyState === FakeXMLHttpRequest.DONE) {
                if (this.timedOut || this.aborted || this.status === 0) {
                    progress = { loaded: 0, total: 0 };
                    event =
                        (this.timedOut && "timeout") ||
                        (this.aborted && "abort") ||
                        "error";
                } else {
                    progress = { loaded: 100, total: 100 };
                    event = "load";
                }

                if (supportsProgress) {
                    this.upload.dispatchEvent(
                        new sinonEvent.ProgressEvent("progress", progress, this)
                    );
                    this.upload.dispatchEvent(
                        new sinonEvent.ProgressEvent(event, progress, this)
                    );
                    this.upload.dispatchEvent(
                        new sinonEvent.ProgressEvent("loadend", progress, this)
                    );
                }

                this.dispatchEvent(
                    new sinonEvent.ProgressEvent("progress", progress, this)
                );
                this.dispatchEvent(
                    new sinonEvent.ProgressEvent(event, progress, this)
                );
                this.dispatchEvent(
                    new sinonEvent.ProgressEvent("loadend", progress, this)
                );
            }

            this.dispatchEvent(readyStateChangeEvent);
        },

        // Ref https://xhr.spec.whatwg.org/#the-setrequestheader()-method
        setRequestHeader: function setRequestHeader(header, value) {
            if (typeof value !== "string") {
                throw new TypeError(
                    "By RFC7230, section 3.2.4, header values should be strings. Got " +
                        typeof value
                );
            }
            verifyState(this);

            var checkUnsafeHeaders = true;
            if (typeof this.unsafeHeadersEnabled === "function") {
                checkUnsafeHeaders = this.unsafeHeadersEnabled();
            }

            if (
                checkUnsafeHeaders &&
                (getHeader(unsafeHeaders, header) !== null ||
                    /^(Sec-|Proxy-)/i.test(header))
            ) {
                throw new Error(
                    // eslint-disable-next-line quotes
                    'Refused to set unsafe header "' + header + '"'
                );
            }

            // eslint-disable-next-line no-param-reassign
            value = normalizeHeaderValue(value);

            var existingHeader = getHeader(this.requestHeaders, header);
            if (existingHeader) {
                this.requestHeaders[existingHeader] += ", " + value;
            } else {
                this.requestHeaders[header] = value;
            }
        },

        setStatus: function setStatus(status) {
            var sanitizedStatus = typeof status === "number" ? status : 200;

            verifyRequestOpened(this);
            this.status = sanitizedStatus;
            this.statusText = FakeXMLHttpRequest.statusCodes[sanitizedStatus];
        },

        // Helps testing
        setResponseHeaders: function setResponseHeaders(headers) {
            verifyRequestOpened(this);

            var responseHeaders = (this.responseHeaders = {});

            Object.keys(headers).forEach(function(header) {
                responseHeaders[header] = headers[header];
            });

            if (this.async) {
                this.readyStateChange(FakeXMLHttpRequest.HEADERS_RECEIVED);
            } else {
                this.readyState = FakeXMLHttpRequest.HEADERS_RECEIVED;
            }
        },

        // Currently treats ALL data as a DOMString (i.e. no Document)
        send: function send(data) {
            verifyState(this);

            if (!/^(head)$/i.test(this.method)) {
                var contentType = getHeader(
                    this.requestHeaders,
                    "Content-Type"
                );
                if (this.requestHeaders[contentType]) {
                    var value = this.requestHeaders[contentType].split(";");
                    this.requestHeaders[contentType] =
                        value[0] + ";charset=utf-8";
                } else if (supportsFormData && !(data instanceof FormData)) {
                    this.requestHeaders["Content-Type"] =
                        "text/plain;charset=utf-8";
                }

                this.requestBody = data;
            }

            this.errorFlag = false;
            this.sendFlag = this.async;
            clearResponse(this);

            if (typeof this.onSend === "function") {
                this.onSend(this);
            }

            // Only listen if setInterval and Date are a stubbed.
            if (
                sinonXhr.supportsTimeout &&
                typeof setInterval.clock === "object" &&
                typeof Date.clock === "object"
            ) {
                var initiatedTime = Date.now();
                var self = this;

                // Listen to any possible tick by fake timers and check to see if timeout has
                // been exceeded. It's important to note that timeout can be changed while a request
                // is in flight, so we must check anytime the end user forces a clock tick to make
                // sure timeout hasn't changed.
                // https://xhr.spec.whatwg.org/#dfnReturnLink-2
                var clearIntervalId = setInterval(function() {
                    // Check if the readyState has been reset or is done. If this is the case, there
                    // should be no timeout. This will also prevent aborted requests and
                    // fakeServerWithClock from triggering unnecessary responses.
                    if (
                        self.readyState === FakeXMLHttpRequest.UNSENT ||
                        self.readyState === FakeXMLHttpRequest.DONE
                    ) {
                        clearInterval(clearIntervalId);
                    } else if (
                        typeof self.timeout === "number" &&
                        self.timeout > 0
                    ) {
                        if (Date.now() >= initiatedTime + self.timeout) {
                            self.triggerTimeout();
                            clearInterval(clearIntervalId);
                        }
                    }
                }, 1);
            }

            this.dispatchEvent(
                new sinonEvent.Event("loadstart", false, false, this)
            );
        },

        abort: function abort() {
            this.aborted = true;
            requestErrorSteps(this);
            this.readyState = FakeXMLHttpRequest.UNSENT;
        },

        error: function() {
            clearResponse(this);
            this.errorFlag = true;
            this.requestHeaders = {};
            this.responseHeaders = {};

            this.readyStateChange(FakeXMLHttpRequest.DONE);
        },

        triggerTimeout: function triggerTimeout() {
            if (sinonXhr.supportsTimeout) {
                this.timedOut = true;
                requestErrorSteps(this);
            }
        },

        getResponseHeader: function getResponseHeader(header) {
            if (this.readyState < FakeXMLHttpRequest.HEADERS_RECEIVED) {
                return null;
            }

            if (/^Set-Cookie2?$/i.test(header)) {
                return null;
            }

            // eslint-disable-next-line no-param-reassign
            header = getHeader(this.responseHeaders, header);

            return this.responseHeaders[header] || null;
        },

        getAllResponseHeaders: function getAllResponseHeaders() {
            if (this.readyState < FakeXMLHttpRequest.HEADERS_RECEIVED) {
                return "";
            }

            var responseHeaders = this.responseHeaders;
            var headers = Object.keys(responseHeaders)
                .filter(excludeSetCookie2Header)
                .reduce(function(prev, header) {
                    var value = responseHeaders[header];

                    return prev + (header + ": " + value + "\r\n");
                }, "");

            return headers;
        },

        setResponseBody: function setResponseBody(body) {
            verifyRequestSent(this);
            verifyHeadersReceived(this);
            verifyResponseBodyType(body, this.responseType);
            var contentType =
                this.overriddenMimeType ||
                this.getResponseHeader("Content-Type");

            var isTextResponse =
                this.responseType === "" || this.responseType === "text";
            clearResponse(this);
            if (this.async) {
                var chunkSize = this.chunkSize || 10;
                var index = 0;

                do {
                    this.readyStateChange(FakeXMLHttpRequest.LOADING);

                    if (isTextResponse) {
                        this.responseText = this.response += body.substring(
                            index,
                            index + chunkSize
                        );
                    }
                    index += chunkSize;
                } while (index < body.length);
            }

            this.response = convertResponseBody(
                this.responseType,
                contentType,
                body
            );
            if (isTextResponse) {
                this.responseText = this.response;
            }

            if (this.responseType === "document") {
                this.responseXML = this.response;
            } else if (
                this.responseType === "" &&
                isXmlContentType(contentType)
            ) {
                this.responseXML = FakeXMLHttpRequest.parseXML(
                    this.responseText
                );
            }
            this.readyStateChange(FakeXMLHttpRequest.DONE);
        },

        respond: function respond(status, headers, body) {
            this.setStatus(status);
            this.setResponseHeaders(headers || {});
            this.setResponseBody(body || "");
        },

        uploadProgress: function uploadProgress(progressEventRaw) {
            if (supportsProgress) {
                this.upload.dispatchEvent(
                    new sinonEvent.ProgressEvent(
                        "progress",
                        progressEventRaw,
                        this.upload
                    )
                );
            }
        },

        downloadProgress: function downloadProgress(progressEventRaw) {
            if (supportsProgress) {
                this.dispatchEvent(
                    new sinonEvent.ProgressEvent(
                        "progress",
                        progressEventRaw,
                        this
                    )
                );
            }
        },

        uploadError: function uploadError(error) {
            if (supportsCustomEvent) {
                this.upload.dispatchEvent(
                    new sinonEvent.CustomEvent("error", { detail: error })
                );
            }
        },

        overrideMimeType: function overrideMimeType(type) {
            if (this.readyState >= FakeXMLHttpRequest.LOADING) {
                throw new Error("INVALID_STATE_ERR");
            }
            this.overriddenMimeType = type;
        }
    });

    var states = {
        UNSENT: 0,
        OPENED: 1,
        HEADERS_RECEIVED: 2,
        LOADING: 3,
        DONE: 4
    };

    extend(FakeXMLHttpRequest, states);
    extend(FakeXMLHttpRequest.prototype, states);

    function useFakeXMLHttpRequest() {
        FakeXMLHttpRequest.restore = function restore(keepOnCreate) {
            if (sinonXhr.supportsXHR) {
                globalScope.XMLHttpRequest = sinonXhr.GlobalXMLHttpRequest;
            }

            if (sinonXhr.supportsActiveX) {
                globalScope.ActiveXObject = sinonXhr.GlobalActiveXObject;
            }

            delete FakeXMLHttpRequest.restore;

            if (keepOnCreate !== true) {
                delete FakeXMLHttpRequest.onCreate;
            }
        };
        if (sinonXhr.supportsXHR) {
            globalScope.XMLHttpRequest = FakeXMLHttpRequest;
        }

        if (sinonXhr.supportsActiveX) {
            globalScope.ActiveXObject = function ActiveXObject(objId) {
                if (
                    objId === "Microsoft.XMLHTTP" ||
                    /^Msxml2\.XMLHTTP/i.test(objId)
                ) {
                    return new FakeXMLHttpRequest();
                }

                return new sinonXhr.GlobalActiveXObject(objId);
            };
        }

        return FakeXMLHttpRequest;
    }

    return {
        xhr: sinonXhr,
        FakeXMLHttpRequest: FakeXMLHttpRequest,
        useFakeXMLHttpRequest: useFakeXMLHttpRequest
    };
}

module.exports = extend(fakeXMLHttpRequestFor(globalObject), {
    fakeXMLHttpRequestFor: fakeXMLHttpRequestFor
});

},{"../configure-logger":1,"../event":5,"./blob":10,"@sinonjs/commons":19,"@sinonjs/text-encoding":32,"just-extend":37}],12:[function(require,module,exports){
"use strict";

module.exports = {
    fakeServer: require("./fake-server"),
    fakeServerWithClock: require("./fake-server/fake-server-with-clock"),
    fakeXhr: require("./fake-xhr")
};

},{"./fake-server":8,"./fake-server/fake-server-with-clock":7,"./fake-xhr":11}],13:[function(require,module,exports){
"use strict";

var every = require("./prototypes/array").every;

/**
 * @private
 */
function hasCallsLeft(callMap, spy) {
    if (callMap[spy.id] === undefined) {
        callMap[spy.id] = 0;
    }

    return callMap[spy.id] < spy.callCount;
}

/**
 * @private
 */
function checkAdjacentCalls(callMap, spy, index, spies) {
    var calledBeforeNext = true;

    if (index !== spies.length - 1) {
        calledBeforeNext = spy.calledBefore(spies[index + 1]);
    }

    if (hasCallsLeft(callMap, spy) && calledBeforeNext) {
        callMap[spy.id] += 1;
        return true;
    }

    return false;
}

/**
 * A Sinon proxy object (fake, spy, stub)
 *
 * @typedef {object} SinonProxy
 * @property {Function} calledBefore - A method that determines if this proxy was called before another one
 * @property {string} id - Some id
 * @property {number} callCount - Number of times this proxy has been called
 */

/**
 * Returns true when the spies have been called in the order they were supplied in
 *
 * @param  {SinonProxy[] | SinonProxy} spies An array of proxies, or several proxies as arguments
 * @returns {boolean} true when spies are called in order, false otherwise
 */
function calledInOrder(spies) {
    var callMap = {};
    // eslint-disable-next-line no-underscore-dangle
    var _spies = arguments.length > 1 ? arguments : spies;

    return every(_spies, checkAdjacentCalls.bind(null, callMap));
}

module.exports = calledInOrder;

},{"./prototypes/array":21}],14:[function(require,module,exports){
"use strict";

var functionName = require("./function-name");

/**
 * Returns a display name for a value from a constructor
 *
 * @param  {object} value A value to examine
 * @returns {(string|null)} A string or null
 */
function className(value) {
    return (
        (value.constructor && value.constructor.name) ||
        // The next branch is for IE11 support only:
        // Because the name property is not set on the prototype
        // of the Function object, we finally try to grab the
        // name from its definition. This will never be reached
        // in node, so we are not able to test this properly.
        // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function/name
        (typeof value.constructor === "function" &&
            /* istanbul ignore next */
            functionName(value.constructor)) ||
        null
    );
}

module.exports = className;

},{"./function-name":17}],15:[function(require,module,exports){
/* eslint-disable no-console */
"use strict";

/**
 * Returns a function that will invoke the supplied function and print a
 * deprecation warning to the console each time it is called.
 *
 * @param  {Function} func
 * @param  {string} msg
 * @returns {Function}
 */
exports.wrap = function(func, msg) {
    var wrapped = function() {
        exports.printWarning(msg);
        return func.apply(this, arguments);
    };
    if (func.prototype) {
        wrapped.prototype = func.prototype;
    }
    return wrapped;
};

/**
 * Returns a string which can be supplied to `wrap()` to notify the user that a
 * particular part of the sinon API has been deprecated.
 *
 * @param  {string} packageName
 * @param  {string} funcName
 * @returns {string}
 */
exports.defaultMsg = function(packageName, funcName) {
    return (
        packageName +
        "." +
        funcName +
        " is deprecated and will be removed from the public API in a future version of " +
        packageName +
        "."
    );
};

/**
 * Prints a warning on the console, when it exists
 *
 * @param  {string} msg
 * @returns {undefined}
 */
exports.printWarning = function(msg) {
    // Watch out for IE7 and below! :(
    /* istanbul ignore next */
    if (typeof console !== "undefined") {
        if (console.info) {
            console.info(msg);
        } else {
            console.log(msg);
        }
    }
};

},{}],16:[function(require,module,exports){
"use strict";

/**
 * Returns true when fn returns true for all members of obj.
 * This is an every implementation that works for all iterables
 *
 * @param  {object}   obj
 * @param  {Function} fn
 * @returns {boolean}
 */
module.exports = function every(obj, fn) {
    var pass = true;

    try {
        /* eslint-disable-next-line local-rules/no-prototype-methods */
        obj.forEach(function() {
            if (!fn.apply(this, arguments)) {
                // Throwing an error is the only way to break `forEach`
                throw new Error();
            }
        });
    } catch (e) {
        pass = false;
    }

    return pass;
};

},{}],17:[function(require,module,exports){
"use strict";

/**
 * Returns a display name for a function
 *
 * @param  {Function} func
 * @returns {string}
 */
module.exports = function functionName(func) {
    if (!func) {
        return "";
    }

    return (
        func.displayName ||
        func.name ||
        // Use function decomposition as a last resort to get function
        // name. Does not rely on function decomposition to work - if it
        // doesn't debugging will be slightly less informative
        // (i.e. toString will say 'spy' rather than 'myFunc').
        (String(func).match(/function ([^\s(]+)/) || [])[1]
    );
};

},{}],18:[function(require,module,exports){
"use strict";

/**
 * A reference to the global object
 *
 * @type {object} globalObject
 */
var globalObject;

/* istanbul ignore else */
if (typeof global !== "undefined") {
    // Node
    globalObject = global;
} else if (typeof window !== "undefined") {
    // Browser
    globalObject = window;
} else {
    // WebWorker
    globalObject = self;
}

module.exports = globalObject;

},{}],19:[function(require,module,exports){
"use strict";

module.exports = {
    global: require("./global"),
    calledInOrder: require("./called-in-order"),
    className: require("./class-name"),
    deprecated: require("./deprecated"),
    every: require("./every"),
    functionName: require("./function-name"),
    orderByFirstCall: require("./order-by-first-call"),
    prototypes: require("./prototypes"),
    typeOf: require("./type-of"),
    valueToString: require("./value-to-string")
};

},{"./called-in-order":13,"./class-name":14,"./deprecated":15,"./every":16,"./function-name":17,"./global":18,"./order-by-first-call":20,"./prototypes":24,"./type-of":29,"./value-to-string":30}],20:[function(require,module,exports){
"use strict";

var sort = require("./prototypes/array").sort;
var slice = require("./prototypes/array").slice;

/**
 * @private
 */
function comparator(a, b) {
    // uuid, won't ever be equal
    var aCall = a.getCall(0);
    var bCall = b.getCall(0);
    var aId = (aCall && aCall.callId) || -1;
    var bId = (bCall && bCall.callId) || -1;

    return aId < bId ? -1 : 1;
}

/**
 * A Sinon proxy object (fake, spy, stub)
 *
 * @typedef {object} SinonProxy
 * @property {Function} getCall - A method that can return the first call
 */

/**
 * Sorts an array of SinonProxy instances (fake, spy, stub) by their first call
 *
 * @param  {SinonProxy[] | SinonProxy} spies
 * @returns {SinonProxy[]}
 */
function orderByFirstCall(spies) {
    return sort(slice(spies), comparator);
}

module.exports = orderByFirstCall;

},{"./prototypes/array":21}],21:[function(require,module,exports){
"use strict";

var copyPrototype = require("./copy-prototype");

module.exports = copyPrototype(Array.prototype);

},{"./copy-prototype":22}],22:[function(require,module,exports){
"use strict";

var call = Function.call;

module.exports = function copyPrototypeMethods(prototype) {
    /* eslint-disable local-rules/no-prototype-methods */
    return Object.getOwnPropertyNames(prototype).reduce(function(result, name) {
        // ignore size because it throws from Map
        if (
            name !== "size" &&
            name !== "caller" &&
            name !== "callee" &&
            name !== "arguments" &&
            typeof prototype[name] === "function"
        ) {
            result[name] = call.bind(prototype[name]);
        }

        return result;
    }, Object.create(null));
};

},{}],23:[function(require,module,exports){
"use strict";

var copyPrototype = require("./copy-prototype");

module.exports = copyPrototype(Function.prototype);

},{"./copy-prototype":22}],24:[function(require,module,exports){
"use strict";

module.exports = {
    array: require("./array"),
    function: require("./function"),
    map: require("./map"),
    object: require("./object"),
    set: require("./set"),
    string: require("./string")
};

},{"./array":21,"./function":23,"./map":25,"./object":26,"./set":27,"./string":28}],25:[function(require,module,exports){
"use strict";

var copyPrototype = require("./copy-prototype");

module.exports = copyPrototype(Map.prototype);

},{"./copy-prototype":22}],26:[function(require,module,exports){
"use strict";

var copyPrototype = require("./copy-prototype");

module.exports = copyPrototype(Object.prototype);

},{"./copy-prototype":22}],27:[function(require,module,exports){
"use strict";

var copyPrototype = require("./copy-prototype");

module.exports = copyPrototype(Set.prototype);

},{"./copy-prototype":22}],28:[function(require,module,exports){
"use strict";

var copyPrototype = require("./copy-prototype");

module.exports = copyPrototype(String.prototype);

},{"./copy-prototype":22}],29:[function(require,module,exports){
"use strict";

var type = require("type-detect");

/**
 * Returns the lower-case result of running type from type-detect on the value
 *
 * @param  {*} value
 * @returns {string}
 */
module.exports = function typeOf(value) {
    return type(value).toLowerCase();
};

},{"type-detect":39}],30:[function(require,module,exports){
"use strict";

/**
 * Returns a string representation of the value
 *
 * @param  {*} value
 * @returns {string}
 */
function valueToString(value) {
    if (value && value.toString) {
        /* eslint-disable-next-line local-rules/no-prototype-methods */
        return value.toString();
    }
    return String(value);
}

module.exports = valueToString;

},{}],31:[function(require,module,exports){
"use strict";

var globalObject = require("@sinonjs/commons").global;

// eslint-disable-next-line complexity
function withGlobal(_global) {
    var userAgent = _global.navigator && _global.navigator.userAgent;
    var isRunningInIE = userAgent && userAgent.indexOf("MSIE ") > -1;
    var maxTimeout = Math.pow(2, 31) - 1; //see https://heycam.github.io/webidl/#abstract-opdef-converttoint
    var NOOP = function() {
        return undefined;
    };
    var NOOP_ARRAY = function() {
        return [];
    };
    var timeoutResult = _global.setTimeout(NOOP, 0);
    var addTimerReturnsObject = typeof timeoutResult === "object";
    var hrtimePresent =
        _global.process && typeof _global.process.hrtime === "function";
    var hrtimeBigintPresent =
        hrtimePresent && typeof _global.process.hrtime.bigint === "function";
    var nextTickPresent =
        _global.process && typeof _global.process.nextTick === "function";
    var utilPromisify = _global.process && require("util").promisify;
    var performancePresent =
        _global.performance && typeof _global.performance.now === "function";
    var hasPerformancePrototype =
        _global.Performance &&
        (typeof _global.Performance).match(/^(function|object)$/);
    var queueMicrotaskPresent = _global.hasOwnProperty("queueMicrotask");
    var requestAnimationFramePresent =
        _global.requestAnimationFrame &&
        typeof _global.requestAnimationFrame === "function";
    var cancelAnimationFramePresent =
        _global.cancelAnimationFrame &&
        typeof _global.cancelAnimationFrame === "function";
    var requestIdleCallbackPresent =
        _global.requestIdleCallback &&
        typeof _global.requestIdleCallback === "function";
    var cancelIdleCallbackPresent =
        _global.cancelIdleCallback &&
        typeof _global.cancelIdleCallback === "function";
    var setImmediatePresent =
        _global.setImmediate && typeof _global.setImmediate === "function";

    // Make properties writable in IE, as per
    // http://www.adequatelygood.com/Replacing-setTimeout-Globally.html
    /* eslint-disable no-self-assign */
    if (isRunningInIE) {
        _global.setTimeout = _global.setTimeout;
        _global.clearTimeout = _global.clearTimeout;
        _global.setInterval = _global.setInterval;
        _global.clearInterval = _global.clearInterval;
        _global.Date = _global.Date;
    }

    // setImmediate is not a standard function
    // avoid adding the prop to the window object if not present
    if (setImmediatePresent) {
        _global.setImmediate = _global.setImmediate;
        _global.clearImmediate = _global.clearImmediate;
    }
    /* eslint-enable no-self-assign */

    _global.clearTimeout(timeoutResult);

    var NativeDate = _global.Date;
    var uniqueTimerId = 1;

    function isNumberFinite(num) {
        if (Number.isFinite) {
            return Number.isFinite(num);
        }

        if (typeof num !== "number") {
            return false;
        }

        return isFinite(num);
    }

    /**
     * Parse strings like "01:10:00" (meaning 1 hour, 10 minutes, 0 seconds) into
     * number of milliseconds. This is used to support human-readable strings passed
     * to clock.tick()
     */
    function parseTime(str) {
        if (!str) {
            return 0;
        }

        var strings = str.split(":");
        var l = strings.length;
        var i = l;
        var ms = 0;
        var parsed;

        if (l > 3 || !/^(\d\d:){0,2}\d\d?$/.test(str)) {
            throw new Error(
                "tick only understands numbers, 'm:s' and 'h:m:s'. Each part must be two digits"
            );
        }

        while (i--) {
            parsed = parseInt(strings[i], 10);

            if (parsed >= 60) {
                throw new Error("Invalid time " + str);
            }

            ms += parsed * Math.pow(60, l - i - 1);
        }

        return ms * 1000;
    }

    /**
     * Get the decimal part of the millisecond value as nanoseconds
     *
     * @param {Number} msFloat the number of milliseconds
     * @returns {Number} an integer number of nanoseconds in the range [0,1e6)
     *
     * Example: nanoRemainer(123.456789) -> 456789
     */
    function nanoRemainder(msFloat) {
        var modulo = 1e6;
        var remainder = (msFloat * 1e6) % modulo;
        var positiveRemainder = remainder < 0 ? remainder + modulo : remainder;

        return Math.floor(positiveRemainder);
    }

    /**
     * Used to grok the `now` parameter to createClock.
     * @param epoch {Date|number} the system time
     */
    function getEpoch(epoch) {
        if (!epoch) {
            return 0;
        }
        if (typeof epoch.getTime === "function") {
            return epoch.getTime();
        }
        if (typeof epoch === "number") {
            return epoch;
        }
        throw new TypeError("now should be milliseconds since UNIX epoch");
    }

    function inRange(from, to, timer) {
        return timer && timer.callAt >= from && timer.callAt <= to;
    }

    function mirrorDateProperties(target, source) {
        var prop;
        for (prop in source) {
            if (source.hasOwnProperty(prop)) {
                target[prop] = source[prop];
            }
        }

        // set special now implementation
        if (source.now) {
            target.now = function now() {
                return target.clock.now;
            };
        } else {
            delete target.now;
        }

        // set special toSource implementation
        if (source.toSource) {
            target.toSource = function toSource() {
                return source.toSource();
            };
        } else {
            delete target.toSource;
        }

        // set special toString implementation
        target.toString = function toString() {
            return source.toString();
        };

        target.prototype = source.prototype;
        target.parse = source.parse;
        target.UTC = source.UTC;
        target.prototype.toUTCString = source.prototype.toUTCString;

        return target;
    }

    function createDate() {
        function ClockDate(year, month, date, hour, minute, second, ms) {
            // the Date constructor called as a function, ref Ecma-262 Edition 5.1, section 15.9.2.
            // This remains so in the 10th edition of 2019 as well.
            if (!(this instanceof ClockDate)) {
                return new NativeDate(ClockDate.clock.now).toString();
            }

            // if Date is called as a constructor with 'new' keyword
            // Defensive and verbose to avoid potential harm in passing
            // explicit undefined when user does not pass argument
            switch (arguments.length) {
                case 0:
                    return new NativeDate(ClockDate.clock.now);
                case 1:
                    return new NativeDate(year);
                case 2:
                    return new NativeDate(year, month);
                case 3:
                    return new NativeDate(year, month, date);
                case 4:
                    return new NativeDate(year, month, date, hour);
                case 5:
                    return new NativeDate(year, month, date, hour, minute);
                case 6:
                    return new NativeDate(
                        year,
                        month,
                        date,
                        hour,
                        minute,
                        second
                    );
                default:
                    return new NativeDate(
                        year,
                        month,
                        date,
                        hour,
                        minute,
                        second,
                        ms
                    );
            }
        }

        return mirrorDateProperties(ClockDate, NativeDate);
    }

    function enqueueJob(clock, job) {
        // enqueues a microtick-deferred task - ecma262/#sec-enqueuejob
        if (!clock.jobs) {
            clock.jobs = [];
        }
        clock.jobs.push(job);
    }

    function runJobs(clock) {
        // runs all microtick-deferred tasks - ecma262/#sec-runjobs
        if (!clock.jobs) {
            return;
        }
        for (var i = 0; i < clock.jobs.length; i++) {
            var job = clock.jobs[i];
            job.func.apply(null, job.args);
            if (clock.loopLimit && i > clock.loopLimit) {
                throw new Error(
                    "Aborting after running " +
                        clock.loopLimit +
                        " timers, assuming an infinite loop!"
                );
            }
        }
        clock.jobs = [];
    }

    function addTimer(clock, timer) {
        if (timer.func === undefined) {
            throw new Error("Callback must be provided to timer calls");
        }

        timer.type = timer.immediate ? "Immediate" : "Timeout";

        if (timer.hasOwnProperty("delay")) {
            if (!isNumberFinite(timer.delay)) {
                timer.delay = 0;
            }
            timer.delay = timer.delay > maxTimeout ? 1 : timer.delay;
            timer.delay = Math.max(0, timer.delay);
        }

        if (timer.hasOwnProperty("interval")) {
            timer.type = "Interval";
            timer.interval = timer.interval > maxTimeout ? 1 : timer.interval;
        }

        if (timer.hasOwnProperty("animation")) {
            timer.type = "AnimationFrame";
            timer.animation = true;
        }

        if (!clock.timers) {
            clock.timers = {};
        }

        timer.id = uniqueTimerId++;
        timer.createdAt = clock.now;
        timer.callAt =
            clock.now + (parseInt(timer.delay) || (clock.duringTick ? 1 : 0));

        clock.timers[timer.id] = timer;

        if (addTimerReturnsObject) {
            var res = {
                id: timer.id,
                ref: function() {
                    return res;
                },
                unref: function() {
                    return res;
                },
                refresh: function() {
                    return res;
                }
            };
            return res;
        }

        return timer.id;
    }

    /* eslint consistent-return: "off" */
    function compareTimers(a, b) {
        // Sort first by absolute timing
        if (a.callAt < b.callAt) {
            return -1;
        }
        if (a.callAt > b.callAt) {
            return 1;
        }

        // Sort next by immediate, immediate timers take precedence
        if (a.immediate && !b.immediate) {
            return -1;
        }
        if (!a.immediate && b.immediate) {
            return 1;
        }

        // Sort next by creation time, earlier-created timers take precedence
        if (a.createdAt < b.createdAt) {
            return -1;
        }
        if (a.createdAt > b.createdAt) {
            return 1;
        }

        // Sort next by id, lower-id timers take precedence
        if (a.id < b.id) {
            return -1;
        }
        if (a.id > b.id) {
            return 1;
        }

        // As timer ids are unique, no fallback `0` is necessary
    }

    function firstTimerInRange(clock, from, to) {
        var timers = clock.timers;
        var timer = null;
        var id, isInRange;

        for (id in timers) {
            if (timers.hasOwnProperty(id)) {
                isInRange = inRange(from, to, timers[id]);

                if (
                    isInRange &&
                    (!timer || compareTimers(timer, timers[id]) === 1)
                ) {
                    timer = timers[id];
                }
            }
        }

        return timer;
    }

    function firstTimer(clock) {
        var timers = clock.timers;
        var timer = null;
        var id;

        for (id in timers) {
            if (timers.hasOwnProperty(id)) {
                if (!timer || compareTimers(timer, timers[id]) === 1) {
                    timer = timers[id];
                }
            }
        }

        return timer;
    }

    function lastTimer(clock) {
        var timers = clock.timers;
        var timer = null;
        var id;

        for (id in timers) {
            if (timers.hasOwnProperty(id)) {
                if (!timer || compareTimers(timer, timers[id]) === -1) {
                    timer = timers[id];
                }
            }
        }

        return timer;
    }

    function callTimer(clock, timer) {
        if (typeof timer.interval === "number") {
            clock.timers[timer.id].callAt += timer.interval;
        } else {
            delete clock.timers[timer.id];
        }

        if (typeof timer.func === "function") {
            timer.func.apply(null, timer.args);
        } else {
            /* eslint no-eval: "off" */
            eval(timer.func);
        }
    }

    function clearTimer(clock, timerId, ttype) {
        if (!timerId) {
            // null appears to be allowed in most browsers, and appears to be
            // relied upon by some libraries, like Bootstrap carousel
            return;
        }

        if (!clock.timers) {
            clock.timers = {};
        }

        // in Node, timerId is an object with .ref()/.unref(), and
        // its .id field is the actual timer id.
        var id = typeof timerId === "object" ? timerId.id : timerId;

        if (clock.timers.hasOwnProperty(id)) {
            // check that the ID matches a timer of the correct type
            var timer = clock.timers[id];
            if (timer.type === ttype) {
                delete clock.timers[id];
            } else {
                var clear =
                    ttype === "AnimationFrame"
                        ? "cancelAnimationFrame"
                        : "clear" + ttype;
                var schedule =
                    timer.type === "AnimationFrame"
                        ? "requestAnimationFrame"
                        : "set" + timer.type;
                throw new Error(
                    "Cannot clear timer: timer created with " +
                        schedule +
                        "() but cleared with " +
                        clear +
                        "()"
                );
            }
        }
    }

    function uninstall(clock, target, config) {
        var method, i, l;
        var installedHrTime = "_hrtime";
        var installedNextTick = "_nextTick";

        for (i = 0, l = clock.methods.length; i < l; i++) {
            method = clock.methods[i];
            if (method === "hrtime" && target.process) {
                target.process.hrtime = clock[installedHrTime];
            } else if (method === "nextTick" && target.process) {
                target.process.nextTick = clock[installedNextTick];
            } else if (method === "performance") {
                var originalPerfDescriptor = Object.getOwnPropertyDescriptor(
                    clock,
                    "_" + method
                );
                if (
                    originalPerfDescriptor &&
                    originalPerfDescriptor.get &&
                    !originalPerfDescriptor.set
                ) {
                    Object.defineProperty(
                        target,
                        method,
                        originalPerfDescriptor
                    );
                } else if (originalPerfDescriptor.configurable) {
                    target[method] = clock["_" + method];
                }
            } else {
                if (target[method] && target[method].hadOwnProperty) {
                    target[method] = clock["_" + method];
                    if (
                        method === "clearInterval" &&
                        config.shouldAdvanceTime === true
                    ) {
                        target[method](clock.attachedInterval);
                    }
                } else {
                    try {
                        delete target[method];
                    } catch (ignore) {
                        /* eslint no-empty: "off" */
                    }
                }
            }
        }

        // Prevent multiple executions which will completely remove these props
        clock.methods = [];

        // return pending timers, to enable checking what timers remained on uninstall
        if (!clock.timers) {
            return [];
        }
        return Object.keys(clock.timers).map(function mapper(key) {
            return clock.timers[key];
        });
    }

    function hijackMethod(target, method, clock) {
        var prop;
        clock[method].hadOwnProperty = Object.prototype.hasOwnProperty.call(
            target,
            method
        );
        clock["_" + method] = target[method];

        if (method === "Date") {
            var date = mirrorDateProperties(clock[method], target[method]);
            target[method] = date;
        } else if (method === "performance") {
            var originalPerfDescriptor = Object.getOwnPropertyDescriptor(
                target,
                method
            );
            // JSDOM has a read only performance field so we have to save/copy it differently
            if (
                originalPerfDescriptor &&
                originalPerfDescriptor.get &&
                !originalPerfDescriptor.set
            ) {
                Object.defineProperty(
                    clock,
                    "_" + method,
                    originalPerfDescriptor
                );

                var perfDescriptor = Object.getOwnPropertyDescriptor(
                    clock,
                    method
                );
                Object.defineProperty(target, method, perfDescriptor);
            } else {
                target[method] = clock[method];
            }
        } else {
            target[method] = function() {
                return clock[method].apply(clock, arguments);
            };

            for (prop in clock[method]) {
                if (clock[method].hasOwnProperty(prop)) {
                    target[method][prop] = clock[method][prop];
                }
            }
        }

        target[method].clock = clock;
    }

    function doIntervalTick(clock, advanceTimeDelta) {
        clock.tick(advanceTimeDelta);
    }

    var timers = {
        setTimeout: _global.setTimeout,
        clearTimeout: _global.clearTimeout,
        setInterval: _global.setInterval,
        clearInterval: _global.clearInterval,
        Date: _global.Date
    };

    if (setImmediatePresent) {
        timers.setImmediate = _global.setImmediate;
        timers.clearImmediate = _global.clearImmediate;
    }

    if (hrtimePresent) {
        timers.hrtime = _global.process.hrtime;
    }

    if (nextTickPresent) {
        timers.nextTick = _global.process.nextTick;
    }

    if (performancePresent) {
        timers.performance = _global.performance;
    }

    if (requestAnimationFramePresent) {
        timers.requestAnimationFrame = _global.requestAnimationFrame;
    }

    if (queueMicrotaskPresent) {
        timers.queueMicrotask = true;
    }

    if (cancelAnimationFramePresent) {
        timers.cancelAnimationFrame = _global.cancelAnimationFrame;
    }

    if (requestIdleCallbackPresent) {
        timers.requestIdleCallback = _global.requestIdleCallback;
    }

    if (cancelIdleCallbackPresent) {
        timers.cancelIdleCallback = _global.cancelIdleCallback;
    }

    var keys =
        Object.keys ||
        function(obj) {
            var ks = [];
            var key;

            for (key in obj) {
                if (obj.hasOwnProperty(key)) {
                    ks.push(key);
                }
            }

            return ks;
        };

    var originalSetTimeout = _global.setImmediate || _global.setTimeout;

    /**
     * @param start {Date|number} the system time - non-integer values are floored
     * @param loopLimit {number}  maximum number of timers that will be run when calling runAll()
     */
    function createClock(start, loopLimit) {
        // eslint-disable-next-line no-param-reassign
        start = Math.floor(getEpoch(start));
        // eslint-disable-next-line no-param-reassign
        loopLimit = loopLimit || 1000;
        var nanos = 0;
        var adjustedSystemTime = [0, 0]; // [millis, nanoremainder]

        if (NativeDate === undefined) {
            throw new Error(
                "The global scope doesn't have a `Date` object" +
                    " (see https://github.com/sinonjs/sinon/issues/1852#issuecomment-419622780)"
            );
        }

        var clock = {
            now: start,
            timeouts: {},
            Date: createDate(),
            loopLimit: loopLimit
        };

        clock.Date.clock = clock;

        function getTimeToNextFrame() {
            return 16 - ((clock.now - start) % 16);
        }

        function hrtime(prev) {
            var millisSinceStart = clock.now - adjustedSystemTime[0] - start;
            var secsSinceStart = Math.floor(millisSinceStart / 1000);
            var remainderInNanos =
                (millisSinceStart - secsSinceStart * 1e3) * 1e6 +
                nanos -
                adjustedSystemTime[1];

            if (Array.isArray(prev)) {
                if (prev[1] > 1e9) {
                    throw new TypeError(
                        "Number of nanoseconds can't exceed a billion"
                    );
                }

                var oldSecs = prev[0];
                var nanoDiff = remainderInNanos - prev[1];
                var secDiff = secsSinceStart - oldSecs;

                if (nanoDiff < 0) {
                    nanoDiff += 1e9;
                    secDiff -= 1;
                }

                return [secDiff, nanoDiff];
            }
            return [secsSinceStart, remainderInNanos];
        }

        if (hrtimeBigintPresent) {
            hrtime.bigint = function() {
                var parts = hrtime();
                return BigInt(parts[0]) * BigInt(1e9) + BigInt(parts[1]); // eslint-disable-line
            };
        }

        clock.requestIdleCallback = function requestIdleCallback(
            func,
            timeout
        ) {
            var timeToNextIdlePeriod = 0;

            if (clock.countTimers() > 0) {
                timeToNextIdlePeriod = 50; // const for now
            }

            var result = addTimer(clock, {
                func: func,
                args: Array.prototype.slice.call(arguments, 2),
                delay:
                    typeof timeout === "undefined"
                        ? timeToNextIdlePeriod
                        : Math.min(timeout, timeToNextIdlePeriod)
            });

            return result.id || result;
        };

        clock.cancelIdleCallback = function cancelIdleCallback(timerId) {
            return clearTimer(clock, timerId, "Timeout");
        };

        clock.setTimeout = function setTimeout(func, timeout) {
            return addTimer(clock, {
                func: func,
                args: Array.prototype.slice.call(arguments, 2),
                delay: timeout
            });
        };
        if (typeof _global.Promise !== "undefined" && utilPromisify) {
            clock.setTimeout[
                utilPromisify.custom
            ] = function promisifiedSetTimeout(timeout, arg) {
                return new _global.Promise(function setTimeoutExecutor(
                    resolve
                ) {
                    addTimer(clock, {
                        func: resolve,
                        args: [arg],
                        delay: timeout
                    });
                });
            };
        }

        clock.clearTimeout = function clearTimeout(timerId) {
            return clearTimer(clock, timerId, "Timeout");
        };

        clock.nextTick = function nextTick(func) {
            return enqueueJob(clock, {
                func: func,
                args: Array.prototype.slice.call(arguments, 1)
            });
        };

        clock.queueMicrotask = function queueMicrotask(func) {
            return clock.nextTick(func); // explicitly drop additional arguments
        };

        clock.setInterval = function setInterval(func, timeout) {
            // eslint-disable-next-line no-param-reassign
            timeout = parseInt(timeout, 10);
            return addTimer(clock, {
                func: func,
                args: Array.prototype.slice.call(arguments, 2),
                delay: timeout,
                interval: timeout
            });
        };

        clock.clearInterval = function clearInterval(timerId) {
            return clearTimer(clock, timerId, "Interval");
        };

        if (setImmediatePresent) {
            clock.setImmediate = function setImmediate(func) {
                return addTimer(clock, {
                    func: func,
                    args: Array.prototype.slice.call(arguments, 1),
                    immediate: true
                });
            };

            if (typeof _global.Promise !== "undefined" && utilPromisify) {
                clock.setImmediate[
                    utilPromisify.custom
                ] = function promisifiedSetImmediate(arg) {
                    return new _global.Promise(function setImmediateExecutor(
                        resolve
                    ) {
                        addTimer(clock, {
                            func: resolve,
                            args: [arg],
                            immediate: true
                        });
                    });
                };
            }

            clock.clearImmediate = function clearImmediate(timerId) {
                return clearTimer(clock, timerId, "Immediate");
            };
        }

        clock.countTimers = function countTimers() {
            return (
                Object.keys(clock.timers || {}).length +
                (clock.jobs || []).length
            );
        };

        clock.requestAnimationFrame = function requestAnimationFrame(func) {
            var result = addTimer(clock, {
                func: func,
                delay: getTimeToNextFrame(),
                args: [clock.now + getTimeToNextFrame()],
                animation: true
            });

            return result.id || result;
        };

        clock.cancelAnimationFrame = function cancelAnimationFrame(timerId) {
            return clearTimer(clock, timerId, "AnimationFrame");
        };

        clock.runMicrotasks = function runMicrotasks() {
            runJobs(clock);
        };

        function doTick(tickValue, isAsync, resolve, reject) {
            var msFloat =
                typeof tickValue === "number"
                    ? tickValue
                    : parseTime(tickValue);
            var ms = Math.floor(msFloat);
            var remainder = nanoRemainder(msFloat);
            var nanosTotal = nanos + remainder;
            var tickTo = clock.now + ms;

            if (msFloat < 0) {
                throw new TypeError("Negative ticks are not supported");
            }

            // adjust for positive overflow
            if (nanosTotal >= 1e6) {
                tickTo += 1;
                nanosTotal -= 1e6;
            }

            nanos = nanosTotal;
            var tickFrom = clock.now;
            var previous = clock.now;
            var timer,
                firstException,
                oldNow,
                nextPromiseTick,
                compensationCheck,
                postTimerCall;

            clock.duringTick = true;

            // perform microtasks
            oldNow = clock.now;
            runJobs(clock);
            if (oldNow !== clock.now) {
                // compensate for any setSystemTime() call during microtask callback
                tickFrom += clock.now - oldNow;
                tickTo += clock.now - oldNow;
            }

            function doTickInner() {
                // perform each timer in the requested range
                timer = firstTimerInRange(clock, tickFrom, tickTo);
                // eslint-disable-next-line no-unmodified-loop-condition
                while (timer && tickFrom <= tickTo) {
                    if (clock.timers[timer.id]) {
                        tickFrom = timer.callAt;
                        clock.now = timer.callAt;
                        oldNow = clock.now;
                        try {
                            runJobs(clock);
                            callTimer(clock, timer);
                        } catch (e) {
                            firstException = firstException || e;
                        }

                        if (isAsync) {
                            // finish up after native setImmediate callback to allow
                            // all native es6 promises to process their callbacks after
                            // each timer fires.
                            originalSetTimeout(nextPromiseTick);
                            return;
                        }

                        compensationCheck();
                    }

                    postTimerCall();
                }

                // perform process.nextTick()s again
                oldNow = clock.now;
                runJobs(clock);
                if (oldNow !== clock.now) {
                    // compensate for any setSystemTime() call during process.nextTick() callback
                    tickFrom += clock.now - oldNow;
                    tickTo += clock.now - oldNow;
                }
                clock.duringTick = false;

                // corner case: during runJobs new timers were scheduled which could be in the range [clock.now, tickTo]
                timer = firstTimerInRange(clock, tickFrom, tickTo);
                if (timer) {
                    try {
                        clock.tick(tickTo - clock.now); // do it all again - for the remainder of the requested range
                    } catch (e) {
                        firstException = firstException || e;
                    }
                } else {
                    // no timers remaining in the requested range: move the clock all the way to the end
                    clock.now = tickTo;

                    // update nanos
                    nanos = nanosTotal;
                }
                if (firstException) {
                    throw firstException;
                }

                if (isAsync) {
                    resolve(clock.now);
                } else {
                    return clock.now;
                }
            }

            nextPromiseTick =
                isAsync &&
                function() {
                    try {
                        compensationCheck();
                        postTimerCall();
                        doTickInner();
                    } catch (e) {
                        reject(e);
                    }
                };

            compensationCheck = function() {
                // compensate for any setSystemTime() call during timer callback
                if (oldNow !== clock.now) {
                    tickFrom += clock.now - oldNow;
                    tickTo += clock.now - oldNow;
                    previous += clock.now - oldNow;
                }
            };

            postTimerCall = function() {
                timer = firstTimerInRange(clock, previous, tickTo);
                previous = tickFrom;
            };

            return doTickInner();
        }

        /**
         * @param {tickValue} {String|Number} number of milliseconds or a human-readable value like "01:11:15"
         */
        clock.tick = function tick(tickValue) {
            return doTick(tickValue, false);
        };

        if (typeof _global.Promise !== "undefined") {
            clock.tickAsync = function tickAsync(ms) {
                return new _global.Promise(function(resolve, reject) {
                    originalSetTimeout(function() {
                        try {
                            doTick(ms, true, resolve, reject);
                        } catch (e) {
                            reject(e);
                        }
                    });
                });
            };
        }

        clock.next = function next() {
            runJobs(clock);
            var timer = firstTimer(clock);
            if (!timer) {
                return clock.now;
            }

            clock.duringTick = true;
            try {
                clock.now = timer.callAt;
                callTimer(clock, timer);
                runJobs(clock);
                return clock.now;
            } finally {
                clock.duringTick = false;
            }
        };

        if (typeof _global.Promise !== "undefined") {
            clock.nextAsync = function nextAsync() {
                return new _global.Promise(function(resolve, reject) {
                    originalSetTimeout(function() {
                        try {
                            var timer = firstTimer(clock);
                            if (!timer) {
                                resolve(clock.now);
                                return;
                            }

                            var err;
                            clock.duringTick = true;
                            clock.now = timer.callAt;
                            try {
                                callTimer(clock, timer);
                            } catch (e) {
                                err = e;
                            }
                            clock.duringTick = false;

                            originalSetTimeout(function() {
                                if (err) {
                                    reject(err);
                                } else {
                                    resolve(clock.now);
                                }
                            });
                        } catch (e) {
                            reject(e);
                        }
                    });
                });
            };
        }

        clock.runAll = function runAll() {
            var numTimers, i;
            runJobs(clock);
            for (i = 0; i < clock.loopLimit; i++) {
                if (!clock.timers) {
                    return clock.now;
                }

                numTimers = keys(clock.timers).length;
                if (numTimers === 0) {
                    return clock.now;
                }

                clock.next();
            }

            throw new Error(
                "Aborting after running " +
                    clock.loopLimit +
                    " timers, assuming an infinite loop!"
            );
        };

        clock.runToFrame = function runToFrame() {
            return clock.tick(getTimeToNextFrame());
        };

        if (typeof _global.Promise !== "undefined") {
            clock.runAllAsync = function runAllAsync() {
                return new _global.Promise(function(resolve, reject) {
                    var i = 0;
                    function doRun() {
                        originalSetTimeout(function() {
                            try {
                                var numTimers;
                                if (i < clock.loopLimit) {
                                    if (!clock.timers) {
                                        resolve(clock.now);
                                        return;
                                    }

                                    numTimers = Object.keys(clock.timers)
                                        .length;
                                    if (numTimers === 0) {
                                        resolve(clock.now);
                                        return;
                                    }

                                    clock.next();

                                    i++;

                                    doRun();
                                    return;
                                }

                                reject(
                                    new Error(
                                        "Aborting after running " +
                                            clock.loopLimit +
                                            " timers, assuming an infinite loop!"
                                    )
                                );
                            } catch (e) {
                                reject(e);
                            }
                        });
                    }
                    doRun();
                });
            };
        }

        clock.runToLast = function runToLast() {
            var timer = lastTimer(clock);
            if (!timer) {
                runJobs(clock);
                return clock.now;
            }

            return clock.tick(timer.callAt - clock.now);
        };

        if (typeof _global.Promise !== "undefined") {
            clock.runToLastAsync = function runToLastAsync() {
                return new _global.Promise(function(resolve, reject) {
                    originalSetTimeout(function() {
                        try {
                            var timer = lastTimer(clock);
                            if (!timer) {
                                resolve(clock.now);
                            }

                            resolve(clock.tickAsync(timer.callAt));
                        } catch (e) {
                            reject(e);
                        }
                    });
                });
            };
        }

        clock.reset = function reset() {
            nanos = 0;
            clock.timers = {};
            clock.jobs = [];
            clock.now = start;
        };

        clock.setSystemTime = function setSystemTime(systemTime) {
            // determine time difference
            var newNow = getEpoch(systemTime);
            var difference = newNow - clock.now;
            var id, timer;

            adjustedSystemTime[0] = adjustedSystemTime[0] + difference;
            adjustedSystemTime[1] = adjustedSystemTime[1] + nanos;
            // update 'system clock'
            clock.now = newNow;
            nanos = 0;

            // update timers and intervals to keep them stable
            for (id in clock.timers) {
                if (clock.timers.hasOwnProperty(id)) {
                    timer = clock.timers[id];
                    timer.createdAt += difference;
                    timer.callAt += difference;
                }
            }
        };

        if (performancePresent) {
            clock.performance = Object.create(null);

            if (hasPerformancePrototype) {
                var proto = _global.Performance.prototype;

                Object.getOwnPropertyNames(proto).forEach(function(name) {
                    if (name.indexOf("getEntries") === 0) {
                        // match expected return type for getEntries functions
                        clock.performance[name] = NOOP_ARRAY;
                    } else {
                        clock.performance[name] = NOOP;
                    }
                });
            }

            clock.performance.now = function FakeTimersNow() {
                var hrt = hrtime();
                var millis = hrt[0] * 1000 + hrt[1] / 1e6;
                return millis;
            };
        }

        if (hrtimePresent) {
            clock.hrtime = hrtime;
        }

        return clock;
    }

    /**
     * @param config {Object} optional config
     * @param config.target {Object} the target to install timers in (default `window`)
     * @param config.now {number|Date}  a number (in milliseconds) or a Date object (default epoch)
     * @param config.toFake {string[]} names of the methods that should be faked.
     * @param config.loopLimit {number} the maximum number of timers that will be run when calling runAll()
     * @param config.shouldAdvanceTime {Boolean} tells FakeTimers to increment mocked time automatically (default false)
     * @param config.advanceTimeDelta {Number} increment mocked time every <<advanceTimeDelta>> ms (default: 20ms)
     */
    // eslint-disable-next-line complexity
    function install(config) {
        if (
            arguments.length > 1 ||
            config instanceof Date ||
            Array.isArray(config) ||
            typeof config === "number"
        ) {
            throw new TypeError(
                "FakeTimers.install called with " +
                    String(config) +
                    " install requires an object parameter"
            );
        }

        // eslint-disable-next-line no-param-reassign
        config = typeof config !== "undefined" ? config : {};
        config.shouldAdvanceTime = config.shouldAdvanceTime || false;
        config.advanceTimeDelta = config.advanceTimeDelta || 20;

        var i, l;
        var target = config.target || _global;
        var clock = createClock(config.now, config.loopLimit);

        clock.uninstall = function() {
            return uninstall(clock, target, config);
        };

        clock.methods = config.toFake || [];

        if (clock.methods.length === 0) {
            // do not fake nextTick by default - GitHub#126
            clock.methods = keys(timers).filter(function(key) {
                return key !== "nextTick" && key !== "queueMicrotask";
            });
        }

        for (i = 0, l = clock.methods.length; i < l; i++) {
            if (clock.methods[i] === "hrtime") {
                if (
                    target.process &&
                    typeof target.process.hrtime === "function"
                ) {
                    hijackMethod(target.process, clock.methods[i], clock);
                }
            } else if (clock.methods[i] === "nextTick") {
                if (
                    target.process &&
                    typeof target.process.nextTick === "function"
                ) {
                    hijackMethod(target.process, clock.methods[i], clock);
                }
            } else {
                if (
                    clock.methods[i] === "setInterval" &&
                    config.shouldAdvanceTime === true
                ) {
                    var intervalTick = doIntervalTick.bind(
                        null,
                        clock,
                        config.advanceTimeDelta
                    );
                    var intervalId = target[clock.methods[i]](
                        intervalTick,
                        config.advanceTimeDelta
                    );
                    clock.attachedInterval = intervalId;
                }
                hijackMethod(target, clock.methods[i], clock);
            }
        }

        return clock;
    }

    return {
        timers: timers,
        createClock: createClock,
        install: install,
        withGlobal: withGlobal
    };
}

var defaultImplementation = withGlobal(globalObject);

exports.timers = defaultImplementation.timers;
exports.createClock = defaultImplementation.createClock;
exports.install = defaultImplementation.install;
exports.withGlobal = withGlobal;

},{"@sinonjs/commons":19,"util":41}],32:[function(require,module,exports){
// This is free and unencumbered software released into the public domain.
// See LICENSE.md for more information.

var encoding = require("./lib/encoding.js");

module.exports = {
  TextEncoder: encoding.TextEncoder,
  TextDecoder: encoding.TextDecoder,
};

},{"./lib/encoding.js":34}],33:[function(require,module,exports){
(function(global) {
  'use strict';

  if (typeof module !== "undefined" && module.exports) {
    module.exports = global;
  }

  global["encoding-indexes"] =
{
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  "iso-8859-15":[128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159,160,161,162,163,8364,165,352,167,353,169,170,171,172,173,174,175,176,177,178,179,381,181,182,183,382,185,186,187,338,339,376,191,192,193,194,195,196,197,198,199,200,201,202,203,204,205,206,207,208,209,210,211,212,213,214,215,216,217,218,219,220,221,222,223,224,225,226,227,228,229,230,231,232,233,234,235,236,237,238,239,240,241,242,243,244,245,246,247,248,249,250,251,252,253,254,255],
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  "koi8-u":[9472,9474,9484,9488,9492,9496,9500,9508,9516,9524,9532,9600,9604,9608,9612,9616,9617,9618,9619,8992,9632,8729,8730,8776,8804,8805,160,8993,176,178,183,247,9552,9553,9554,1105,1108,9556,1110,1111,9559,9560,9561,9562,9563,1169,1118,9566,9567,9568,9569,1025,1028,9571,1030,1031,9574,9575,9576,9577,9578,1168,1038,169,1102,1072,1073,1094,1076,1077,1092,1075,1093,1080,1081,1082,1083,1084,1085,1086,1087,1103,1088,1089,1090,1091,1078,1074,1100,1099,1079,1096,1101,1097,1095,1098,1070,1040,1041,1062,1044,1045,1060,1043,1061,1048,1049,1050,1051,1052,1053,1054,1055,1071,1056,1057,1058,1059,1046,1042,1068,1067,1047,1064,1069,1065,1063,1066],
  "macintosh":[196,197,199,201,209,214,220,225,224,226,228,227,229,231,233,232,234,235,237,236,238,239,241,243,242,244,246,245,250,249,251,252,8224,176,162,163,167,8226,182,223,174,169,8482,180,168,8800,198,216,8734,177,8804,8805,165,181,8706,8721,8719,960,8747,170,186,937,230,248,191,161,172,8730,402,8776,8710,171,187,8230,160,192,195,213,338,339,8211,8212,8220,8221,8216,8217,247,9674,255,376,8260,8364,8249,8250,64257,64258,8225,183,8218,8222,8240,194,202,193,203,200,205,206,207,204,211,212,63743,210,218,219,217,305,710,732,175,728,729,730,184,733,731,711],
  "windows-874":[8364,129,130,131,132,8230,134,135,136,137,138,139,140,141,142,143,144,8216,8217,8220,8221,8226,8211,8212,152,153,154,155,156,157,158,159,160,3585,3586,3587,3588,3589,3590,3591,3592,3593,3594,3595,3596,3597,3598,3599,3600,3601,3602,3603,3604,3605,3606,3607,3608,3609,3610,3611,3612,3613,3614,3615,3616,3617,3618,3619,3620,3621,3622,3623,3624,3625,3626,3627,3628,3629,3630,3631,3632,3633,3634,3635,3636,3637,3638,3639,3640,3641,3642,null,null,null,null,3647,3648,3649,3650,3651,3652,3653,3654,3655,3656,3657,3658,3659,3660,3661,3662,3663,3664,3665,3666,3667,3668,3669,3670,3671,3672,3673,3674,3675,null,null,null,null],
  "windows-1250":[8364,129,8218,131,8222,8230,8224,8225,136,8240,352,8249,346,356,381,377,144,8216,8217,8220,8221,8226,8211,8212,152,8482,353,8250,347,357,382,378,160,711,728,321,164,260,166,167,168,169,350,171,172,173,174,379,176,177,731,322,180,181,182,183,184,261,351,187,317,733,318,380,340,193,194,258,196,313,262,199,268,201,280,203,282,205,206,270,272,323,327,211,212,336,214,215,344,366,218,368,220,221,354,223,341,225,226,259,228,314,263,231,269,233,281,235,283,237,238,271,273,324,328,243,244,337,246,247,345,367,250,369,252,253,355,729],
  "windows-1251":[1026,1027,8218,1107,8222,8230,8224,8225,8364,8240,1033,8249,1034,1036,1035,1039,1106,8216,8217,8220,8221,8226,8211,8212,152,8482,1113,8250,1114,1116,1115,1119,160,1038,1118,1032,164,1168,166,167,1025,169,1028,171,172,173,174,1031,176,177,1030,1110,1169,181,182,183,1105,8470,1108,187,1112,1029,1109,1111,1040,1041,1042,1043,1044,1045,1046,1047,1048,1049,1050,1051,1052,1053,1054,1055,1056,1057,1058,1059,1060,1061,1062,1063,1064,1065,1066,1067,1068,1069,1070,1071,1072,1073,1074,1075,1076,1077,1078,1079,1080,1081,1082,1083,1084,1085,1086,1087,1088,1089,1090,1091,1092,1093,1094,1095,1096,1097,1098,1099,1100,1101,1102,1103],
  "windows-1252":[8364,129,8218,402,8222,8230,8224,8225,710,8240,352,8249,338,141,381,143,144,8216,8217,8220,8221,8226,8211,8212,732,8482,353,8250,339,157,382,376,160,161,162,163,164,165,166,167,168,169,170,171,172,173,174,175,176,177,178,179,180,181,182,183,184,185,186,187,188,189,190,191,192,193,194,195,196,197,198,199,200,201,202,203,204,205,206,207,208,209,210,211,212,213,214,215,216,217,218,219,220,221,222,223,224,225,226,227,228,229,230,231,232,233,234,235,236,237,238,239,240,241,242,243,244,245,246,247,248,249,250,251,252,253,254,255],
  "windows-1253":[8364,129,8218,402,8222,8230,8224,8225,136,8240,138,8249,140,141,142,143,144,8216,8217,8220,8221,8226,8211,8212,152,8482,154,8250,156,157,158,159,160,901,902,163,164,165,166,167,168,169,null,171,172,173,174,8213,176,177,178,179,900,181,182,183,904,905,906,187,908,189,910,911,912,913,914,915,916,917,918,919,920,921,922,923,924,925,926,927,928,929,null,931,932,933,934,935,936,937,938,939,940,941,942,943,944,945,946,947,948,949,950,951,952,953,954,955,956,957,958,959,960,961,962,963,964,965,966,967,968,969,970,971,972,973,974,null],
  "windows-1254":[8364,129,8218,402,8222,8230,8224,8225,710,8240,352,8249,338,141,142,143,144,8216,8217,8220,8221,8226,8211,8212,732,8482,353,8250,339,157,158,376,160,161,162,163,164,165,166,167,168,169,170,171,172,173,174,175,176,177,178,179,180,181,182,183,184,185,186,187,188,189,190,191,192,193,194,195,196,197,198,199,200,201,202,203,204,205,206,207,286,209,210,211,212,213,214,215,216,217,218,219,220,304,350,223,224,225,226,227,228,229,230,231,232,233,234,235,236,237,238,239,287,241,242,243,244,245,246,247,248,249,250,251,252,305,351,255],
  "windows-1255":[8364,129,8218,402,8222,8230,8224,8225,710,8240,138,8249,140,141,142,143,144,8216,8217,8220,8221,8226,8211,8212,732,8482,154,8250,156,157,158,159,160,161,162,163,8362,165,166,167,168,169,215,171,172,173,174,175,176,177,178,179,180,181,182,183,184,185,247,187,188,189,190,191,1456,1457,1458,1459,1460,1461,1462,1463,1464,1465,1466,1467,1468,1469,1470,1471,1472,1473,1474,1475,1520,1521,1522,1523,1524,null,null,null,null,null,null,null,1488,1489,1490,1491,1492,1493,1494,1495,1496,1497,1498,1499,1500,1501,1502,1503,1504,1505,1506,1507,1508,1509,1510,1511,1512,1513,1514,null,null,8206,8207,null],
  "windows-1256":[8364,1662,8218,402,8222,8230,8224,8225,710,8240,1657,8249,338,1670,1688,1672,1711,8216,8217,8220,8221,8226,8211,8212,1705,8482,1681,8250,339,8204,8205,1722,160,1548,162,163,164,165,166,167,168,169,1726,171,172,173,174,175,176,177,178,179,180,181,182,183,184,185,1563,187,188,189,190,1567,1729,1569,1570,1571,1572,1573,1574,1575,1576,1577,1578,1579,1580,1581,1582,1583,1584,1585,1586,1587,1588,1589,1590,215,1591,1592,1593,1594,1600,1601,1602,1603,224,1604,226,1605,1606,1607,1608,231,232,233,234,235,1609,1610,238,239,1611,1612,1613,1614,244,1615,1616,247,1617,249,1618,251,252,8206,8207,1746],
  "windows-1257":[8364,129,8218,131,8222,8230,8224,8225,136,8240,138,8249,140,168,711,184,144,8216,8217,8220,8221,8226,8211,8212,152,8482,154,8250,156,175,731,159,160,null,162,163,164,null,166,167,216,169,342,171,172,173,174,198,176,177,178,179,180,181,182,183,248,185,343,187,188,189,190,230,260,302,256,262,196,197,280,274,268,201,377,278,290,310,298,315,352,323,325,211,332,213,214,215,370,321,346,362,220,379,381,223,261,303,257,263,228,229,281,275,269,233,378,279,291,311,299,316,353,324,326,243,333,245,246,247,371,322,347,363,252,380,382,729],
  "windows-1258":[8364,129,8218,402,8222,8230,8224,8225,710,8240,138,8249,338,141,142,143,144,8216,8217,8220,8221,8226,8211,8212,732,8482,154,8250,339,157,158,376,160,161,162,163,164,165,166,167,168,169,170,171,172,173,174,175,176,177,178,179,180,181,182,183,184,185,186,187,188,189,190,191,192,193,194,258,196,197,198,199,200,201,202,203,768,205,206,207,272,209,777,211,212,416,214,215,216,217,218,219,220,431,771,223,224,225,226,259,228,229,230,231,232,233,234,235,769,237,238,239,273,241,803,243,244,417,246,247,248,249,250,251,252,432,8363,255],
  "x-mac-cyrillic":[1040,1041,1042,1043,1044,1045,1046,1047,1048,1049,1050,1051,1052,1053,1054,1055,1056,1057,1058,1059,1060,1061,1062,1063,1064,1065,1066,1067,1068,1069,1070,1071,8224,176,1168,163,167,8226,182,1030,174,169,8482,1026,1106,8800,1027,1107,8734,177,8804,8805,1110,181,1169,1032,1028,1108,1031,1111,1033,1113,1034,1114,1112,1029,172,8730,402,8776,8710,171,187,8230,160,1035,1115,1036,1116,1109,8211,8212,8220,8221,8216,8217,247,8222,1038,1118,1039,1119,8470,1025,1105,1103,1072,1073,1074,1075,1076,1077,1078,1079,1080,1081,1082,1083,1084,1085,1086,1087,1088,1089,1090,1091,1092,1093,1094,1095,1096,1097,1098,1099,1100,1101,1102,8364]
};

// For strict environments where `this` inside the global scope
// is `undefined`, take a pure object instead
}(this || {}));
},{}],34:[function(require,module,exports){
// This is free and unencumbered software released into the public domain.
// See LICENSE.md for more information.

/**
 * @fileoverview Global |this| required for resolving indexes in node.
 * @suppress {globalThis}
 */
(function(global) {
  'use strict';

  // If we're in node require encoding-indexes and attach it to the global.
  if (typeof module !== "undefined" && module.exports &&
    !global["encoding-indexes"]) {
    global["encoding-indexes"] =
      require("./encoding-indexes.js")["encoding-indexes"];
  }

  //
  // Utilities
  //

  /**
   * @param {number} a The number to test.
   * @param {number} min The minimum value in the range, inclusive.
   * @param {number} max The maximum value in the range, inclusive.
   * @return {boolean} True if a >= min and a <= max.
   */
  function inRange(a, min, max) {
    return min <= a && a <= max;
  }

  /**
   * @param {!Array.<*>} array The array to check.
   * @param {*} item The item to look for in the array.
   * @return {boolean} True if the item appears in the array.
   */
  function includes(array, item) {
    return array.indexOf(item) !== -1;
  }

  var floor = Math.floor;

  /**
   * @param {*} o
   * @return {Object}
   */
  function ToDictionary(o) {
    if (o === undefined) return {};
    if (o === Object(o)) return o;
    throw TypeError('Could not convert argument to dictionary');
  }

  /**
   * @param {string} string Input string of UTF-16 code units.
   * @return {!Array.<number>} Code points.
   */
  function stringToCodePoints(string) {
    // https://heycam.github.io/webidl/#dfn-obtain-unicode

    // 1. Let S be the DOMString value.
    var s = String(string);

    // 2. Let n be the length of S.
    var n = s.length;

    // 3. Initialize i to 0.
    var i = 0;

    // 4. Initialize U to be an empty sequence of Unicode characters.
    var u = [];

    // 5. While i < n:
    while (i < n) {

      // 1. Let c be the code unit in S at index i.
      var c = s.charCodeAt(i);

      // 2. Depending on the value of c:

      // c < 0xD800 or c > 0xDFFF
      if (c < 0xD800 || c > 0xDFFF) {
        // Append to U the Unicode character with code point c.
        u.push(c);
      }

      // 0xDC00 ≤ c ≤ 0xDFFF
      else if (0xDC00 <= c && c <= 0xDFFF) {
        // Append to U a U+FFFD REPLACEMENT CHARACTER.
        u.push(0xFFFD);
      }

      // 0xD800 ≤ c ≤ 0xDBFF
      else if (0xD800 <= c && c <= 0xDBFF) {
        // 1. If i = n−1, then append to U a U+FFFD REPLACEMENT
        // CHARACTER.
        if (i === n - 1) {
          u.push(0xFFFD);
        }
        // 2. Otherwise, i < n−1:
        else {
          // 1. Let d be the code unit in S at index i+1.
          var d = s.charCodeAt(i + 1);

          // 2. If 0xDC00 ≤ d ≤ 0xDFFF, then:
          if (0xDC00 <= d && d <= 0xDFFF) {
            // 1. Let a be c & 0x3FF.
            var a = c & 0x3FF;

            // 2. Let b be d & 0x3FF.
            var b = d & 0x3FF;

            // 3. Append to U the Unicode character with code point
            // 2^16+2^10*a+b.
            u.push(0x10000 + (a << 10) + b);

            // 4. Set i to i+1.
            i += 1;
          }

          // 3. Otherwise, d < 0xDC00 or d > 0xDFFF. Append to U a
          // U+FFFD REPLACEMENT CHARACTER.
          else  {
            u.push(0xFFFD);
          }
        }
      }

      // 3. Set i to i+1.
      i += 1;
    }

    // 6. Return U.
    return u;
  }

  /**
   * @param {!Array.<number>} code_points Array of code points.
   * @return {string} string String of UTF-16 code units.
   */
  function codePointsToString(code_points) {
    var s = '';
    for (var i = 0; i < code_points.length; ++i) {
      var cp = code_points[i];
      if (cp <= 0xFFFF) {
        s += String.fromCharCode(cp);
      } else {
        cp -= 0x10000;
        s += String.fromCharCode((cp >> 10) + 0xD800,
                                 (cp & 0x3FF) + 0xDC00);
      }
    }
    return s;
  }


  //
  // Implementation of Encoding specification
  // https://encoding.spec.whatwg.org/
  //

  //
  // 4. Terminology
  //

  /**
   * An ASCII byte is a byte in the range 0x00 to 0x7F, inclusive.
   * @param {number} a The number to test.
   * @return {boolean} True if a is in the range 0x00 to 0x7F, inclusive.
   */
  function isASCIIByte(a) {
    return 0x00 <= a && a <= 0x7F;
  }

  /**
   * An ASCII code point is a code point in the range U+0000 to
   * U+007F, inclusive.
   */
  var isASCIICodePoint = isASCIIByte;


  /**
   * End-of-stream is a special token that signifies no more tokens
   * are in the stream.
   * @const
   */ var end_of_stream = -1;

  /**
   * A stream represents an ordered sequence of tokens.
   *
   * @constructor
   * @param {!(Array.<number>|Uint8Array)} tokens Array of tokens that provide
   * the stream.
   */
  function Stream(tokens) {
    /** @type {!Array.<number>} */
    this.tokens = [].slice.call(tokens);
    // Reversed as push/pop is more efficient than shift/unshift.
    this.tokens.reverse();
  }

  Stream.prototype = {
    /**
     * @return {boolean} True if end-of-stream has been hit.
     */
    endOfStream: function() {
      return !this.tokens.length;
    },

    /**
     * When a token is read from a stream, the first token in the
     * stream must be returned and subsequently removed, and
     * end-of-stream must be returned otherwise.
     *
     * @return {number} Get the next token from the stream, or
     * end_of_stream.
     */
     read: function() {
      if (!this.tokens.length)
        return end_of_stream;
       return this.tokens.pop();
     },

    /**
     * When one or more tokens are prepended to a stream, those tokens
     * must be inserted, in given order, before the first token in the
     * stream.
     *
     * @param {(number|!Array.<number>)} token The token(s) to prepend to the
     * stream.
     */
    prepend: function(token) {
      if (Array.isArray(token)) {
        var tokens = /**@type {!Array.<number>}*/(token);
        while (tokens.length)
          this.tokens.push(tokens.pop());
      } else {
        this.tokens.push(token);
      }
    },

    /**
     * When one or more tokens are pushed to a stream, those tokens
     * must be inserted, in given order, after the last token in the
     * stream.
     *
     * @param {(number|!Array.<number>)} token The tokens(s) to push to the
     * stream.
     */
    push: function(token) {
      if (Array.isArray(token)) {
        var tokens = /**@type {!Array.<number>}*/(token);
        while (tokens.length)
          this.tokens.unshift(tokens.shift());
      } else {
        this.tokens.unshift(token);
      }
    }
  };

  //
  // 5. Encodings
  //

  // 5.1 Encoders and decoders

  /** @const */
  var finished = -1;

  /**
   * @param {boolean} fatal If true, decoding errors raise an exception.
   * @param {number=} opt_code_point Override the standard fallback code point.
   * @return {number} The code point to insert on a decoding error.
   */
  function decoderError(fatal, opt_code_point) {
    if (fatal)
      throw TypeError('Decoder error');
    return opt_code_point || 0xFFFD;
  }

  /**
   * @param {number} code_point The code point that could not be encoded.
   * @return {number} Always throws, no value is actually returned.
   */
  function encoderError(code_point) {
    throw TypeError('The code point ' + code_point + ' could not be encoded.');
  }

  /** @interface */
  function Decoder() {}
  Decoder.prototype = {
    /**
     * @param {Stream} stream The stream of bytes being decoded.
     * @param {number} bite The next byte read from the stream.
     * @return {?(number|!Array.<number>)} The next code point(s)
     *     decoded, or null if not enough data exists in the input
     *     stream to decode a complete code point, or |finished|.
     */
    handler: function(stream, bite) {}
  };

  /** @interface */
  function Encoder() {}
  Encoder.prototype = {
    /**
     * @param {Stream} stream The stream of code points being encoded.
     * @param {number} code_point Next code point read from the stream.
     * @return {(number|!Array.<number>)} Byte(s) to emit, or |finished|.
     */
    handler: function(stream, code_point) {}
  };

  // 5.2 Names and labels

  // TODO: Define @typedef for Encoding: {name:string,labels:Array.<string>}
  // https://github.com/google/closure-compiler/issues/247

  /**
   * @param {string} label The encoding label.
   * @return {?{name:string,labels:Array.<string>}}
   */
  function getEncoding(label) {
    // 1. Remove any leading and trailing ASCII whitespace from label.
    label = String(label).trim().toLowerCase();

    // 2. If label is an ASCII case-insensitive match for any of the
    // labels listed in the table below, return the corresponding
    // encoding, and failure otherwise.
    if (Object.prototype.hasOwnProperty.call(label_to_encoding, label)) {
      return label_to_encoding[label];
    }
    return null;
  }

  /**
   * Encodings table: https://encoding.spec.whatwg.org/encodings.json
   * @const
   * @type {!Array.<{
   *          heading: string,
   *          encodings: Array.<{name:string,labels:Array.<string>}>
   *        }>}
   */
  var encodings = [
    {
      "encodings": [
        {
          "labels": [
            "unicode-1-1-utf-8",
            "utf-8",
            "utf8"
          ],
          "name": "UTF-8"
        }
      ],
      "heading": "The Encoding"
    },
    {
      "encodings": [
        {
          "labels": [
            "866",
            "cp866",
            "csibm866",
            "ibm866"
          ],
          "name": "IBM866"
        },
        {
          "labels": [
            "csisolatin2",
            "iso-8859-2",
            "iso-ir-101",
            "iso8859-2",
            "iso88592",
            "iso_8859-2",
            "iso_8859-2:1987",
            "l2",
            "latin2"
          ],
          "name": "ISO-8859-2"
        },
        {
          "labels": [
            "csisolatin3",
            "iso-8859-3",
            "iso-ir-109",
            "iso8859-3",
            "iso88593",
            "iso_8859-3",
            "iso_8859-3:1988",
            "l3",
            "latin3"
          ],
          "name": "ISO-8859-3"
        },
        {
          "labels": [
            "csisolatin4",
            "iso-8859-4",
            "iso-ir-110",
            "iso8859-4",
            "iso88594",
            "iso_8859-4",
            "iso_8859-4:1988",
            "l4",
            "latin4"
          ],
          "name": "ISO-8859-4"
        },
        {
          "labels": [
            "csisolatincyrillic",
            "cyrillic",
            "iso-8859-5",
            "iso-ir-144",
            "iso8859-5",
            "iso88595",
            "iso_8859-5",
            "iso_8859-5:1988"
          ],
          "name": "ISO-8859-5"
        },
        {
          "labels": [
            "arabic",
            "asmo-708",
            "csiso88596e",
            "csiso88596i",
            "csisolatinarabic",
            "ecma-114",
            "iso-8859-6",
            "iso-8859-6-e",
            "iso-8859-6-i",
            "iso-ir-127",
            "iso8859-6",
            "iso88596",
            "iso_8859-6",
            "iso_8859-6:1987"
          ],
          "name": "ISO-8859-6"
        },
        {
          "labels": [
            "csisolatingreek",
            "ecma-118",
            "elot_928",
            "greek",
            "greek8",
            "iso-8859-7",
            "iso-ir-126",
            "iso8859-7",
            "iso88597",
            "iso_8859-7",
            "iso_8859-7:1987",
            "sun_eu_greek"
          ],
          "name": "ISO-8859-7"
        },
        {
          "labels": [
            "csiso88598e",
            "csisolatinhebrew",
            "hebrew",
            "iso-8859-8",
            "iso-8859-8-e",
            "iso-ir-138",
            "iso8859-8",
            "iso88598",
            "iso_8859-8",
            "iso_8859-8:1988",
            "visual"
          ],
          "name": "ISO-8859-8"
        },
        {
          "labels": [
            "csiso88598i",
            "iso-8859-8-i",
            "logical"
          ],
          "name": "ISO-8859-8-I"
        },
        {
          "labels": [
            "csisolatin6",
            "iso-8859-10",
            "iso-ir-157",
            "iso8859-10",
            "iso885910",
            "l6",
            "latin6"
          ],
          "name": "ISO-8859-10"
        },
        {
          "labels": [
            "iso-8859-13",
            "iso8859-13",
            "iso885913"
          ],
          "name": "ISO-8859-13"
        },
        {
          "labels": [
            "iso-8859-14",
            "iso8859-14",
            "iso885914"
          ],
          "name": "ISO-8859-14"
        },
        {
          "labels": [
            "csisolatin9",
            "iso-8859-15",
            "iso8859-15",
            "iso885915",
            "iso_8859-15",
            "l9"
          ],
          "name": "ISO-8859-15"
        },
        {
          "labels": [
            "iso-8859-16"
          ],
          "name": "ISO-8859-16"
        },
        {
          "labels": [
            "cskoi8r",
            "koi",
            "koi8",
            "koi8-r",
            "koi8_r"
          ],
          "name": "KOI8-R"
        },
        {
          "labels": [
            "koi8-ru",
            "koi8-u"
          ],
          "name": "KOI8-U"
        },
        {
          "labels": [
            "csmacintosh",
            "mac",
            "macintosh",
            "x-mac-roman"
          ],
          "name": "macintosh"
        },
        {
          "labels": [
            "dos-874",
            "iso-8859-11",
            "iso8859-11",
            "iso885911",
            "tis-620",
            "windows-874"
          ],
          "name": "windows-874"
        },
        {
          "labels": [
            "cp1250",
            "windows-1250",
            "x-cp1250"
          ],
          "name": "windows-1250"
        },
        {
          "labels": [
            "cp1251",
            "windows-1251",
            "x-cp1251"
          ],
          "name": "windows-1251"
        },
        {
          "labels": [
            "ansi_x3.4-1968",
            "ascii",
            "cp1252",
            "cp819",
            "csisolatin1",
            "ibm819",
            "iso-8859-1",
            "iso-ir-100",
            "iso8859-1",
            "iso88591",
            "iso_8859-1",
            "iso_8859-1:1987",
            "l1",
            "latin1",
            "us-ascii",
            "windows-1252",
            "x-cp1252"
          ],
          "name": "windows-1252"
        },
        {
          "labels": [
            "cp1253",
            "windows-1253",
            "x-cp1253"
          ],
          "name": "windows-1253"
        },
        {
          "labels": [
            "cp1254",
            "csisolatin5",
            "iso-8859-9",
            "iso-ir-148",
            "iso8859-9",
            "iso88599",
            "iso_8859-9",
            "iso_8859-9:1989",
            "l5",
            "latin5",
            "windows-1254",
            "x-cp1254"
          ],
          "name": "windows-1254"
        },
        {
          "labels": [
            "cp1255",
            "windows-1255",
            "x-cp1255"
          ],
          "name": "windows-1255"
        },
        {
          "labels": [
            "cp1256",
            "windows-1256",
            "x-cp1256"
          ],
          "name": "windows-1256"
        },
        {
          "labels": [
            "cp1257",
            "windows-1257",
            "x-cp1257"
          ],
          "name": "windows-1257"
        },
        {
          "labels": [
            "cp1258",
            "windows-1258",
            "x-cp1258"
          ],
          "name": "windows-1258"
        },
        {
          "labels": [
            "x-mac-cyrillic",
            "x-mac-ukrainian"
          ],
          "name": "x-mac-cyrillic"
        }
      ],
      "heading": "Legacy single-byte encodings"
    },
    {
      "encodings": [
        {
          "labels": [
            "chinese",
            "csgb2312",
            "csiso58gb231280",
            "gb2312",
            "gb_2312",
            "gb_2312-80",
            "gbk",
            "iso-ir-58",
            "x-gbk"
          ],
          "name": "GBK"
        },
        {
          "labels": [
            "gb18030"
          ],
          "name": "gb18030"
        }
      ],
      "heading": "Legacy multi-byte Chinese (simplified) encodings"
    },
    {
      "encodings": [
        {
          "labels": [
            "big5",
            "big5-hkscs",
            "cn-big5",
            "csbig5",
            "x-x-big5"
          ],
          "name": "Big5"
        }
      ],
      "heading": "Legacy multi-byte Chinese (traditional) encodings"
    },
    {
      "encodings": [
        {
          "labels": [
            "cseucpkdfmtjapanese",
            "euc-jp",
            "x-euc-jp"
          ],
          "name": "EUC-JP"
        },
        {
          "labels": [
            "csiso2022jp",
            "iso-2022-jp"
          ],
          "name": "ISO-2022-JP"
        },
        {
          "labels": [
            "csshiftjis",
            "ms932",
            "ms_kanji",
            "shift-jis",
            "shift_jis",
            "sjis",
            "windows-31j",
            "x-sjis"
          ],
          "name": "Shift_JIS"
        }
      ],
      "heading": "Legacy multi-byte Japanese encodings"
    },
    {
      "encodings": [
        {
          "labels": [
            "cseuckr",
            "csksc56011987",
            "euc-kr",
            "iso-ir-149",
            "korean",
            "ks_c_5601-1987",
            "ks_c_5601-1989",
            "ksc5601",
            "ksc_5601",
            "windows-949"
          ],
          "name": "EUC-KR"
        }
      ],
      "heading": "Legacy multi-byte Korean encodings"
    },
    {
      "encodings": [
        {
          "labels": [
            "csiso2022kr",
            "hz-gb-2312",
            "iso-2022-cn",
            "iso-2022-cn-ext",
            "iso-2022-kr"
          ],
          "name": "replacement"
        },
        {
          "labels": [
            "utf-16be"
          ],
          "name": "UTF-16BE"
        },
        {
          "labels": [
            "utf-16",
            "utf-16le"
          ],
          "name": "UTF-16LE"
        },
        {
          "labels": [
            "x-user-defined"
          ],
          "name": "x-user-defined"
        }
      ],
      "heading": "Legacy miscellaneous encodings"
    }
  ];

  // Label to encoding registry.
  /** @type {Object.<string,{name:string,labels:Array.<string>}>} */
  var label_to_encoding = {};
  encodings.forEach(function(category) {
    category.encodings.forEach(function(encoding) {
      encoding.labels.forEach(function(label) {
        label_to_encoding[label] = encoding;
      });
    });
  });

  // Registry of of encoder/decoder factories, by encoding name.
  /** @type {Object.<string, function({fatal:boolean}): Encoder>} */
  var encoders = {};
  /** @type {Object.<string, function({fatal:boolean}): Decoder>} */
  var decoders = {};

  //
  // 6. Indexes
  //

  /**
   * @param {number} pointer The |pointer| to search for.
   * @param {(!Array.<?number>|undefined)} index The |index| to search within.
   * @return {?number} The code point corresponding to |pointer| in |index|,
   *     or null if |code point| is not in |index|.
   */
  function indexCodePointFor(pointer, index) {
    if (!index) return null;
    return index[pointer] || null;
  }

  /**
   * @param {number} code_point The |code point| to search for.
   * @param {!Array.<?number>} index The |index| to search within.
   * @return {?number} The first pointer corresponding to |code point| in
   *     |index|, or null if |code point| is not in |index|.
   */
  function indexPointerFor(code_point, index) {
    var pointer = index.indexOf(code_point);
    return pointer === -1 ? null : pointer;
  }

  /**
   * @param {string} name Name of the index.
   * @return {(!Array.<number>|!Array.<Array.<number>>)}
   *  */
  function index(name) {
    if (!('encoding-indexes' in global)) {
      throw Error("Indexes missing." +
                  " Did you forget to include encoding-indexes.js first?");
    }
    return global['encoding-indexes'][name];
  }

  /**
   * @param {number} pointer The |pointer| to search for in the gb18030 index.
   * @return {?number} The code point corresponding to |pointer| in |index|,
   *     or null if |code point| is not in the gb18030 index.
   */
  function indexGB18030RangesCodePointFor(pointer) {
    // 1. If pointer is greater than 39419 and less than 189000, or
    // pointer is greater than 1237575, return null.
    if ((pointer > 39419 && pointer < 189000) || (pointer > 1237575))
      return null;

    // 2. If pointer is 7457, return code point U+E7C7.
    if (pointer === 7457) return 0xE7C7;

    // 3. Let offset be the last pointer in index gb18030 ranges that
    // is equal to or less than pointer and let code point offset be
    // its corresponding code point.
    var offset = 0;
    var code_point_offset = 0;
    var idx = index('gb18030-ranges');
    var i;
    for (i = 0; i < idx.length; ++i) {
      /** @type {!Array.<number>} */
      var entry = idx[i];
      if (entry[0] <= pointer) {
        offset = entry[0];
        code_point_offset = entry[1];
      } else {
        break;
      }
    }

    // 4. Return a code point whose value is code point offset +
    // pointer − offset.
    return code_point_offset + pointer - offset;
  }

  /**
   * @param {number} code_point The |code point| to locate in the gb18030 index.
   * @return {number} The first pointer corresponding to |code point| in the
   *     gb18030 index.
   */
  function indexGB18030RangesPointerFor(code_point) {
    // 1. If code point is U+E7C7, return pointer 7457.
    if (code_point === 0xE7C7) return 7457;

    // 2. Let offset be the last code point in index gb18030 ranges
    // that is equal to or less than code point and let pointer offset
    // be its corresponding pointer.
    var offset = 0;
    var pointer_offset = 0;
    var idx = index('gb18030-ranges');
    var i;
    for (i = 0; i < idx.length; ++i) {
      /** @type {!Array.<number>} */
      var entry = idx[i];
      if (entry[1] <= code_point) {
        offset = entry[1];
        pointer_offset = entry[0];
      } else {
        break;
      }
    }

    // 3. Return a pointer whose value is pointer offset + code point
    // − offset.
    return pointer_offset + code_point - offset;
  }

  /**
   * @param {number} code_point The |code_point| to search for in the Shift_JIS
   *     index.
   * @return {?number} The code point corresponding to |pointer| in |index|,
   *     or null if |code point| is not in the Shift_JIS index.
   */
  function indexShiftJISPointerFor(code_point) {
    // 1. Let index be index jis0208 excluding all entries whose
    // pointer is in the range 8272 to 8835, inclusive.
    shift_jis_index = shift_jis_index ||
      index('jis0208').map(function(code_point, pointer) {
        return inRange(pointer, 8272, 8835) ? null : code_point;
      });
    var index_ = shift_jis_index;

    // 2. Return the index pointer for code point in index.
    return index_.indexOf(code_point);
  }
  var shift_jis_index;

  /**
   * @param {number} code_point The |code_point| to search for in the big5
   *     index.
   * @return {?number} The code point corresponding to |pointer| in |index|,
   *     or null if |code point| is not in the big5 index.
   */
  function indexBig5PointerFor(code_point) {
    // 1. Let index be index Big5 excluding all entries whose pointer
    big5_index_no_hkscs = big5_index_no_hkscs ||
      index('big5').map(function(code_point, pointer) {
        return (pointer < (0xA1 - 0x81) * 157) ? null : code_point;
      });
    var index_ = big5_index_no_hkscs;

    // 2. If code point is U+2550, U+255E, U+2561, U+256A, U+5341, or
    // U+5345, return the last pointer corresponding to code point in
    // index.
    if (code_point === 0x2550 || code_point === 0x255E ||
        code_point === 0x2561 || code_point === 0x256A ||
        code_point === 0x5341 || code_point === 0x5345) {
      return index_.lastIndexOf(code_point);
    }

    // 3. Return the index pointer for code point in index.
    return indexPointerFor(code_point, index_);
  }
  var big5_index_no_hkscs;

  //
  // 8. API
  //

  /** @const */ var DEFAULT_ENCODING = 'utf-8';

  // 8.1 Interface TextDecoder

  /**
   * @constructor
   * @param {string=} label The label of the encoding;
   *     defaults to 'utf-8'.
   * @param {Object=} options
   */
  function TextDecoder(label, options) {
    // Web IDL conventions
    if (!(this instanceof TextDecoder))
      throw TypeError('Called as a function. Did you forget \'new\'?');
    label = label !== undefined ? String(label) : DEFAULT_ENCODING;
    options = ToDictionary(options);

    // A TextDecoder object has an associated encoding, decoder,
    // stream, ignore BOM flag (initially unset), BOM seen flag
    // (initially unset), error mode (initially replacement), and do
    // not flush flag (initially unset).

    /** @private */
    this._encoding = null;
    /** @private @type {?Decoder} */
    this._decoder = null;
    /** @private @type {boolean} */
    this._ignoreBOM = false;
    /** @private @type {boolean} */
    this._BOMseen = false;
    /** @private @type {string} */
    this._error_mode = 'replacement';
    /** @private @type {boolean} */
    this._do_not_flush = false;


    // 1. Let encoding be the result of getting an encoding from
    // label.
    var encoding = getEncoding(label);

    // 2. If encoding is failure or replacement, throw a RangeError.
    if (encoding === null || encoding.name === 'replacement')
      throw RangeError('Unknown encoding: ' + label);
    if (!decoders[encoding.name]) {
      throw Error('Decoder not present.' +
                  ' Did you forget to include encoding-indexes.js first?');
    }

    // 3. Let dec be a new TextDecoder object.
    var dec = this;

    // 4. Set dec's encoding to encoding.
    dec._encoding = encoding;

    // 5. If options's fatal member is true, set dec's error mode to
    // fatal.
    if (Boolean(options['fatal']))
      dec._error_mode = 'fatal';

    // 6. If options's ignoreBOM member is true, set dec's ignore BOM
    // flag.
    if (Boolean(options['ignoreBOM']))
      dec._ignoreBOM = true;

    // For pre-ES5 runtimes:
    if (!Object.defineProperty) {
      this.encoding = dec._encoding.name.toLowerCase();
      this.fatal = dec._error_mode === 'fatal';
      this.ignoreBOM = dec._ignoreBOM;
    }

    // 7. Return dec.
    return dec;
  }

  if (Object.defineProperty) {
    // The encoding attribute's getter must return encoding's name.
    Object.defineProperty(TextDecoder.prototype, 'encoding', {
      /** @this {TextDecoder} */
      get: function() { return this._encoding.name.toLowerCase(); }
    });

    // The fatal attribute's getter must return true if error mode
    // is fatal, and false otherwise.
    Object.defineProperty(TextDecoder.prototype, 'fatal', {
      /** @this {TextDecoder} */
      get: function() { return this._error_mode === 'fatal'; }
    });

    // The ignoreBOM attribute's getter must return true if ignore
    // BOM flag is set, and false otherwise.
    Object.defineProperty(TextDecoder.prototype, 'ignoreBOM', {
      /** @this {TextDecoder} */
      get: function() { return this._ignoreBOM; }
    });
  }

  /**
   * @param {BufferSource=} input The buffer of bytes to decode.
   * @param {Object=} options
   * @return {string} The decoded string.
   */
  TextDecoder.prototype.decode = function decode(input, options) {
    var bytes;
    if (typeof input === 'object' && input instanceof ArrayBuffer) {
      bytes = new Uint8Array(input);
    } else if (typeof input === 'object' && 'buffer' in input &&
               input.buffer instanceof ArrayBuffer) {
      bytes = new Uint8Array(input.buffer,
                             input.byteOffset,
                             input.byteLength);
    } else {
      bytes = new Uint8Array(0);
    }

    options = ToDictionary(options);

    // 1. If the do not flush flag is unset, set decoder to a new
    // encoding's decoder, set stream to a new stream, and unset the
    // BOM seen flag.
    if (!this._do_not_flush) {
      this._decoder = decoders[this._encoding.name]({
        fatal: this._error_mode === 'fatal'});
      this._BOMseen = false;
    }

    // 2. If options's stream is true, set the do not flush flag, and
    // unset the do not flush flag otherwise.
    this._do_not_flush = Boolean(options['stream']);

    // 3. If input is given, push a copy of input to stream.
    // TODO: Align with spec algorithm - maintain stream on instance.
    var input_stream = new Stream(bytes);

    // 4. Let output be a new stream.
    var output = [];

    /** @type {?(number|!Array.<number>)} */
    var result;

    // 5. While true:
    while (true) {
      // 1. Let token be the result of reading from stream.
      var token = input_stream.read();

      // 2. If token is end-of-stream and the do not flush flag is
      // set, return output, serialized.
      // TODO: Align with spec algorithm.
      if (token === end_of_stream)
        break;

      // 3. Otherwise, run these subsubsteps:

      // 1. Let result be the result of processing token for decoder,
      // stream, output, and error mode.
      result = this._decoder.handler(input_stream, token);

      // 2. If result is finished, return output, serialized.
      if (result === finished)
        break;

      if (result !== null) {
        if (Array.isArray(result))
          output.push.apply(output, /**@type {!Array.<number>}*/(result));
        else
          output.push(result);
      }

      // 3. Otherwise, if result is error, throw a TypeError.
      // (Thrown in handler)

      // 4. Otherwise, do nothing.
    }
    // TODO: Align with spec algorithm.
    if (!this._do_not_flush) {
      do {
        result = this._decoder.handler(input_stream, input_stream.read());
        if (result === finished)
          break;
        if (result === null)
          continue;
        if (Array.isArray(result))
          output.push.apply(output, /**@type {!Array.<number>}*/(result));
        else
          output.push(result);
      } while (!input_stream.endOfStream());
      this._decoder = null;
    }

    // A TextDecoder object also has an associated serialize stream
    // algorithm...
    /**
     * @param {!Array.<number>} stream
     * @return {string}
     * @this {TextDecoder}
     */
    function serializeStream(stream) {
      // 1. Let token be the result of reading from stream.
      // (Done in-place on array, rather than as a stream)

      // 2. If encoding is UTF-8, UTF-16BE, or UTF-16LE, and ignore
      // BOM flag and BOM seen flag are unset, run these subsubsteps:
      if (includes(['UTF-8', 'UTF-16LE', 'UTF-16BE'], this._encoding.name) &&
          !this._ignoreBOM && !this._BOMseen) {
        if (stream.length > 0 && stream[0] === 0xFEFF) {
          // 1. If token is U+FEFF, set BOM seen flag.
          this._BOMseen = true;
          stream.shift();
        } else if (stream.length > 0) {
          // 2. Otherwise, if token is not end-of-stream, set BOM seen
          // flag and append token to stream.
          this._BOMseen = true;
        } else {
          // 3. Otherwise, if token is not end-of-stream, append token
          // to output.
          // (no-op)
        }
      }
      // 4. Otherwise, return output.
      return codePointsToString(stream);
    }

    return serializeStream.call(this, output);
  };

  // 8.2 Interface TextEncoder

  /**
   * @constructor
   * @param {string=} label The label of the encoding. NONSTANDARD.
   * @param {Object=} options NONSTANDARD.
   */
  function TextEncoder(label, options) {
    // Web IDL conventions
    if (!(this instanceof TextEncoder))
      throw TypeError('Called as a function. Did you forget \'new\'?');
    options = ToDictionary(options);

    // A TextEncoder object has an associated encoding and encoder.

    /** @private */
    this._encoding = null;
    /** @private @type {?Encoder} */
    this._encoder = null;

    // Non-standard
    /** @private @type {boolean} */
    this._do_not_flush = false;
    /** @private @type {string} */
    this._fatal = Boolean(options['fatal']) ? 'fatal' : 'replacement';

    // 1. Let enc be a new TextEncoder object.
    var enc = this;

    // 2. Set enc's encoding to UTF-8's encoder.
    if (Boolean(options['NONSTANDARD_allowLegacyEncoding'])) {
      // NONSTANDARD behavior.
      label = label !== undefined ? String(label) : DEFAULT_ENCODING;
      var encoding = getEncoding(label);
      if (encoding === null || encoding.name === 'replacement')
        throw RangeError('Unknown encoding: ' + label);
      if (!encoders[encoding.name]) {
        throw Error('Encoder not present.' +
                    ' Did you forget to include encoding-indexes.js first?');
      }
      enc._encoding = encoding;
    } else {
      // Standard behavior.
      enc._encoding = getEncoding('utf-8');

      if (label !== undefined && 'console' in global) {
        console.warn('TextEncoder constructor called with encoding label, '
                     + 'which is ignored.');
      }
    }

    // For pre-ES5 runtimes:
    if (!Object.defineProperty)
      this.encoding = enc._encoding.name.toLowerCase();

    // 3. Return enc.
    return enc;
  }

  if (Object.defineProperty) {
    // The encoding attribute's getter must return encoding's name.
    Object.defineProperty(TextEncoder.prototype, 'encoding', {
      /** @this {TextEncoder} */
      get: function() { return this._encoding.name.toLowerCase(); }
    });
  }

  /**
   * @param {string=} opt_string The string to encode.
   * @param {Object=} options
   * @return {!Uint8Array} Encoded bytes, as a Uint8Array.
   */
  TextEncoder.prototype.encode = function encode(opt_string, options) {
    opt_string = opt_string === undefined ? '' : String(opt_string);
    options = ToDictionary(options);

    // NOTE: This option is nonstandard. None of the encodings
    // permitted for encoding (i.e. UTF-8, UTF-16) are stateful when
    // the input is a USVString so streaming is not necessary.
    if (!this._do_not_flush)
      this._encoder = encoders[this._encoding.name]({
        fatal: this._fatal === 'fatal'});
    this._do_not_flush = Boolean(options['stream']);

    // 1. Convert input to a stream.
    var input = new Stream(stringToCodePoints(opt_string));

    // 2. Let output be a new stream
    var output = [];

    /** @type {?(number|!Array.<number>)} */
    var result;
    // 3. While true, run these substeps:
    while (true) {
      // 1. Let token be the result of reading from input.
      var token = input.read();
      if (token === end_of_stream)
        break;
      // 2. Let result be the result of processing token for encoder,
      // input, output.
      result = this._encoder.handler(input, token);
      if (result === finished)
        break;
      if (Array.isArray(result))
        output.push.apply(output, /**@type {!Array.<number>}*/(result));
      else
        output.push(result);
    }
    // TODO: Align with spec algorithm.
    if (!this._do_not_flush) {
      while (true) {
        result = this._encoder.handler(input, input.read());
        if (result === finished)
          break;
        if (Array.isArray(result))
          output.push.apply(output, /**@type {!Array.<number>}*/(result));
        else
          output.push(result);
      }
      this._encoder = null;
    }
    // 3. If result is finished, convert output into a byte sequence,
    // and then return a Uint8Array object wrapping an ArrayBuffer
    // containing output.
    return new Uint8Array(output);
  };


  //
  // 9. The encoding
  //

  // 9.1 utf-8

  // 9.1.1 utf-8 decoder
  /**
   * @constructor
   * @implements {Decoder}
   * @param {{fatal: boolean}} options
   */
  function UTF8Decoder(options) {
    var fatal = options.fatal;

    // utf-8's decoder's has an associated utf-8 code point, utf-8
    // bytes seen, and utf-8 bytes needed (all initially 0), a utf-8
    // lower boundary (initially 0x80), and a utf-8 upper boundary
    // (initially 0xBF).
    var /** @type {number} */ utf8_code_point = 0,
        /** @type {number} */ utf8_bytes_seen = 0,
        /** @type {number} */ utf8_bytes_needed = 0,
        /** @type {number} */ utf8_lower_boundary = 0x80,
        /** @type {number} */ utf8_upper_boundary = 0xBF;

    /**
     * @param {Stream} stream The stream of bytes being decoded.
     * @param {number} bite The next byte read from the stream.
     * @return {?(number|!Array.<number>)} The next code point(s)
     *     decoded, or null if not enough data exists in the input
     *     stream to decode a complete code point.
     */
    this.handler = function(stream, bite) {
      // 1. If byte is end-of-stream and utf-8 bytes needed is not 0,
      // set utf-8 bytes needed to 0 and return error.
      if (bite === end_of_stream && utf8_bytes_needed !== 0) {
        utf8_bytes_needed = 0;
        return decoderError(fatal);
      }

      // 2. If byte is end-of-stream, return finished.
      if (bite === end_of_stream)
        return finished;

      // 3. If utf-8 bytes needed is 0, based on byte:
      if (utf8_bytes_needed === 0) {

        // 0x00 to 0x7F
        if (inRange(bite, 0x00, 0x7F)) {
          // Return a code point whose value is byte.
          return bite;
        }

        // 0xC2 to 0xDF
        else if (inRange(bite, 0xC2, 0xDF)) {
          // 1. Set utf-8 bytes needed to 1.
          utf8_bytes_needed = 1;

          // 2. Set UTF-8 code point to byte & 0x1F.
          utf8_code_point = bite & 0x1F;
        }

        // 0xE0 to 0xEF
        else if (inRange(bite, 0xE0, 0xEF)) {
          // 1. If byte is 0xE0, set utf-8 lower boundary to 0xA0.
          if (bite === 0xE0)
            utf8_lower_boundary = 0xA0;
          // 2. If byte is 0xED, set utf-8 upper boundary to 0x9F.
          if (bite === 0xED)
            utf8_upper_boundary = 0x9F;
          // 3. Set utf-8 bytes needed to 2.
          utf8_bytes_needed = 2;
          // 4. Set UTF-8 code point to byte & 0xF.
          utf8_code_point = bite & 0xF;
        }

        // 0xF0 to 0xF4
        else if (inRange(bite, 0xF0, 0xF4)) {
          // 1. If byte is 0xF0, set utf-8 lower boundary to 0x90.
          if (bite === 0xF0)
            utf8_lower_boundary = 0x90;
          // 2. If byte is 0xF4, set utf-8 upper boundary to 0x8F.
          if (bite === 0xF4)
            utf8_upper_boundary = 0x8F;
          // 3. Set utf-8 bytes needed to 3.
          utf8_bytes_needed = 3;
          // 4. Set UTF-8 code point to byte & 0x7.
          utf8_code_point = bite & 0x7;
        }

        // Otherwise
        else {
          // Return error.
          return decoderError(fatal);
        }

        // Return continue.
        return null;
      }

      // 4. If byte is not in the range utf-8 lower boundary to utf-8
      // upper boundary, inclusive, run these substeps:
      if (!inRange(bite, utf8_lower_boundary, utf8_upper_boundary)) {

        // 1. Set utf-8 code point, utf-8 bytes needed, and utf-8
        // bytes seen to 0, set utf-8 lower boundary to 0x80, and set
        // utf-8 upper boundary to 0xBF.
        utf8_code_point = utf8_bytes_needed = utf8_bytes_seen = 0;
        utf8_lower_boundary = 0x80;
        utf8_upper_boundary = 0xBF;

        // 2. Prepend byte to stream.
        stream.prepend(bite);

        // 3. Return error.
        return decoderError(fatal);
      }

      // 5. Set utf-8 lower boundary to 0x80 and utf-8 upper boundary
      // to 0xBF.
      utf8_lower_boundary = 0x80;
      utf8_upper_boundary = 0xBF;

      // 6. Set UTF-8 code point to (UTF-8 code point << 6) | (byte &
      // 0x3F)
      utf8_code_point = (utf8_code_point << 6) | (bite & 0x3F);

      // 7. Increase utf-8 bytes seen by one.
      utf8_bytes_seen += 1;

      // 8. If utf-8 bytes seen is not equal to utf-8 bytes needed,
      // continue.
      if (utf8_bytes_seen !== utf8_bytes_needed)
        return null;

      // 9. Let code point be utf-8 code point.
      var code_point = utf8_code_point;

      // 10. Set utf-8 code point, utf-8 bytes needed, and utf-8 bytes
      // seen to 0.
      utf8_code_point = utf8_bytes_needed = utf8_bytes_seen = 0;

      // 11. Return a code point whose value is code point.
      return code_point;
    };
  }

  // 9.1.2 utf-8 encoder
  /**
   * @constructor
   * @implements {Encoder}
   * @param {{fatal: boolean}} options
   */
  function UTF8Encoder(options) {
    var fatal = options.fatal;
    /**
     * @param {Stream} stream Input stream.
     * @param {number} code_point Next code point read from the stream.
     * @return {(number|!Array.<number>)} Byte(s) to emit.
     */
    this.handler = function(stream, code_point) {
      // 1. If code point is end-of-stream, return finished.
      if (code_point === end_of_stream)
        return finished;

      // 2. If code point is an ASCII code point, return a byte whose
      // value is code point.
      if (isASCIICodePoint(code_point))
        return code_point;

      // 3. Set count and offset based on the range code point is in:
      var count, offset;
      // U+0080 to U+07FF, inclusive:
      if (inRange(code_point, 0x0080, 0x07FF)) {
        // 1 and 0xC0
        count = 1;
        offset = 0xC0;
      }
      // U+0800 to U+FFFF, inclusive:
      else if (inRange(code_point, 0x0800, 0xFFFF)) {
        // 2 and 0xE0
        count = 2;
        offset = 0xE0;
      }
      // U+10000 to U+10FFFF, inclusive:
      else if (inRange(code_point, 0x10000, 0x10FFFF)) {
        // 3 and 0xF0
        count = 3;
        offset = 0xF0;
      }

      // 4. Let bytes be a byte sequence whose first byte is (code
      // point >> (6 × count)) + offset.
      var bytes = [(code_point >> (6 * count)) + offset];

      // 5. Run these substeps while count is greater than 0:
      while (count > 0) {

        // 1. Set temp to code point >> (6 × (count − 1)).
        var temp = code_point >> (6 * (count - 1));

        // 2. Append to bytes 0x80 | (temp & 0x3F).
        bytes.push(0x80 | (temp & 0x3F));

        // 3. Decrease count by one.
        count -= 1;
      }

      // 6. Return bytes bytes, in order.
      return bytes;
    };
  }

  /** @param {{fatal: boolean}} options */
  encoders['UTF-8'] = function(options) {
    return new UTF8Encoder(options);
  };
  /** @param {{fatal: boolean}} options */
  decoders['UTF-8'] = function(options) {
    return new UTF8Decoder(options);
  };

  //
  // 10. Legacy single-byte encodings
  //

  // 10.1 single-byte decoder
  /**
   * @constructor
   * @implements {Decoder}
   * @param {!Array.<number>} index The encoding index.
   * @param {{fatal: boolean}} options
   */
  function SingleByteDecoder(index, options) {
    var fatal = options.fatal;
    /**
     * @param {Stream} stream The stream of bytes being decoded.
     * @param {number} bite The next byte read from the stream.
     * @return {?(number|!Array.<number>)} The next code point(s)
     *     decoded, or null if not enough data exists in the input
     *     stream to decode a complete code point.
     */
    this.handler = function(stream, bite) {
      // 1. If byte is end-of-stream, return finished.
      if (bite === end_of_stream)
        return finished;

      // 2. If byte is an ASCII byte, return a code point whose value
      // is byte.
      if (isASCIIByte(bite))
        return bite;

      // 3. Let code point be the index code point for byte − 0x80 in
      // index single-byte.
      var code_point = index[bite - 0x80];

      // 4. If code point is null, return error.
      if (code_point === null)
        return decoderError(fatal);

      // 5. Return a code point whose value is code point.
      return code_point;
    };
  }

  // 10.2 single-byte encoder
  /**
   * @constructor
   * @implements {Encoder}
   * @param {!Array.<?number>} index The encoding index.
   * @param {{fatal: boolean}} options
   */
  function SingleByteEncoder(index, options) {
    var fatal = options.fatal;
    /**
     * @param {Stream} stream Input stream.
     * @param {number} code_point Next code point read from the stream.
     * @return {(number|!Array.<number>)} Byte(s) to emit.
     */
    this.handler = function(stream, code_point) {
      // 1. If code point is end-of-stream, return finished.
      if (code_point === end_of_stream)
        return finished;

      // 2. If code point is an ASCII code point, return a byte whose
      // value is code point.
      if (isASCIICodePoint(code_point))
        return code_point;

      // 3. Let pointer be the index pointer for code point in index
      // single-byte.
      var pointer = indexPointerFor(code_point, index);

      // 4. If pointer is null, return error with code point.
      if (pointer === null)
        encoderError(code_point);

      // 5. Return a byte whose value is pointer + 0x80.
      return pointer + 0x80;
    };
  }

  (function() {
    if (!('encoding-indexes' in global))
      return;
    encodings.forEach(function(category) {
      if (category.heading !== 'Legacy single-byte encodings')
        return;
      category.encodings.forEach(function(encoding) {
        var name = encoding.name;
        var idx = index(name.toLowerCase());
        /** @param {{fatal: boolean}} options */
        decoders[name] = function(options) {
          return new SingleByteDecoder(idx, options);
        };
        /** @param {{fatal: boolean}} options */
        encoders[name] = function(options) {
          return new SingleByteEncoder(idx, options);
        };
      });
    });
  }());

  //
  // 11. Legacy multi-byte Chinese (simplified) encodings
  //

  // 11.1 gbk

  // 11.1.1 gbk decoder
  // gbk's decoder is gb18030's decoder.
  /** @param {{fatal: boolean}} options */
  decoders['GBK'] = function(options) {
    return new GB18030Decoder(options);
  };

  // 11.1.2 gbk encoder
  // gbk's encoder is gb18030's encoder with its gbk flag set.
  /** @param {{fatal: boolean}} options */
  encoders['GBK'] = function(options) {
    return new GB18030Encoder(options, true);
  };

  // 11.2 gb18030

  // 11.2.1 gb18030 decoder
  /**
   * @constructor
   * @implements {Decoder}
   * @param {{fatal: boolean}} options
   */
  function GB18030Decoder(options) {
    var fatal = options.fatal;
    // gb18030's decoder has an associated gb18030 first, gb18030
    // second, and gb18030 third (all initially 0x00).
    var /** @type {number} */ gb18030_first = 0x00,
        /** @type {number} */ gb18030_second = 0x00,
        /** @type {number} */ gb18030_third = 0x00;
    /**
     * @param {Stream} stream The stream of bytes being decoded.
     * @param {number} bite The next byte read from the stream.
     * @return {?(number|!Array.<number>)} The next code point(s)
     *     decoded, or null if not enough data exists in the input
     *     stream to decode a complete code point.
     */
    this.handler = function(stream, bite) {
      // 1. If byte is end-of-stream and gb18030 first, gb18030
      // second, and gb18030 third are 0x00, return finished.
      if (bite === end_of_stream && gb18030_first === 0x00 &&
          gb18030_second === 0x00 && gb18030_third === 0x00) {
        return finished;
      }
      // 2. If byte is end-of-stream, and gb18030 first, gb18030
      // second, or gb18030 third is not 0x00, set gb18030 first,
      // gb18030 second, and gb18030 third to 0x00, and return error.
      if (bite === end_of_stream &&
          (gb18030_first !== 0x00 || gb18030_second !== 0x00 ||
           gb18030_third !== 0x00)) {
        gb18030_first = 0x00;
        gb18030_second = 0x00;
        gb18030_third = 0x00;
        decoderError(fatal);
      }
      var code_point;
      // 3. If gb18030 third is not 0x00, run these substeps:
      if (gb18030_third !== 0x00) {
        // 1. Let code point be null.
        code_point = null;
        // 2. If byte is in the range 0x30 to 0x39, inclusive, set
        // code point to the index gb18030 ranges code point for
        // (((gb18030 first − 0x81) × 10 + gb18030 second − 0x30) ×
        // 126 + gb18030 third − 0x81) × 10 + byte − 0x30.
        if (inRange(bite, 0x30, 0x39)) {
          code_point = indexGB18030RangesCodePointFor(
              (((gb18030_first - 0x81) * 10 + gb18030_second - 0x30) * 126 +
               gb18030_third - 0x81) * 10 + bite - 0x30);
        }

        // 3. Let buffer be a byte sequence consisting of gb18030
        // second, gb18030 third, and byte, in order.
        var buffer = [gb18030_second, gb18030_third, bite];

        // 4. Set gb18030 first, gb18030 second, and gb18030 third to
        // 0x00.
        gb18030_first = 0x00;
        gb18030_second = 0x00;
        gb18030_third = 0x00;

        // 5. If code point is null, prepend buffer to stream and
        // return error.
        if (code_point === null) {
          stream.prepend(buffer);
          return decoderError(fatal);
        }

        // 6. Return a code point whose value is code point.
        return code_point;
      }

      // 4. If gb18030 second is not 0x00, run these substeps:
      if (gb18030_second !== 0x00) {

        // 1. If byte is in the range 0x81 to 0xFE, inclusive, set
        // gb18030 third to byte and return continue.
        if (inRange(bite, 0x81, 0xFE)) {
          gb18030_third = bite;
          return null;
        }

        // 2. Prepend gb18030 second followed by byte to stream, set
        // gb18030 first and gb18030 second to 0x00, and return error.
        stream.prepend([gb18030_second, bite]);
        gb18030_first = 0x00;
        gb18030_second = 0x00;
        return decoderError(fatal);
      }

      // 5. If gb18030 first is not 0x00, run these substeps:
      if (gb18030_first !== 0x00) {

        // 1. If byte is in the range 0x30 to 0x39, inclusive, set
        // gb18030 second to byte and return continue.
        if (inRange(bite, 0x30, 0x39)) {
          gb18030_second = bite;
          return null;
        }

        // 2. Let lead be gb18030 first, let pointer be null, and set
        // gb18030 first to 0x00.
        var lead = gb18030_first;
        var pointer = null;
        gb18030_first = 0x00;

        // 3. Let offset be 0x40 if byte is less than 0x7F and 0x41
        // otherwise.
        var offset = bite < 0x7F ? 0x40 : 0x41;

        // 4. If byte is in the range 0x40 to 0x7E, inclusive, or 0x80
        // to 0xFE, inclusive, set pointer to (lead − 0x81) × 190 +
        // (byte − offset).
        if (inRange(bite, 0x40, 0x7E) || inRange(bite, 0x80, 0xFE))
          pointer = (lead - 0x81) * 190 + (bite - offset);

        // 5. Let code point be null if pointer is null and the index
        // code point for pointer in index gb18030 otherwise.
        code_point = pointer === null ? null :
            indexCodePointFor(pointer, index('gb18030'));

        // 6. If code point is null and byte is an ASCII byte, prepend
        // byte to stream.
        if (code_point === null && isASCIIByte(bite))
          stream.prepend(bite);

        // 7. If code point is null, return error.
        if (code_point === null)
          return decoderError(fatal);

        // 8. Return a code point whose value is code point.
        return code_point;
      }

      // 6. If byte is an ASCII byte, return a code point whose value
      // is byte.
      if (isASCIIByte(bite))
        return bite;

      // 7. If byte is 0x80, return code point U+20AC.
      if (bite === 0x80)
        return 0x20AC;

      // 8. If byte is in the range 0x81 to 0xFE, inclusive, set
      // gb18030 first to byte and return continue.
      if (inRange(bite, 0x81, 0xFE)) {
        gb18030_first = bite;
        return null;
      }

      // 9. Return error.
      return decoderError(fatal);
    };
  }

  // 11.2.2 gb18030 encoder
  /**
   * @constructor
   * @implements {Encoder}
   * @param {{fatal: boolean}} options
   * @param {boolean=} gbk_flag
   */
  function GB18030Encoder(options, gbk_flag) {
    var fatal = options.fatal;
    // gb18030's decoder has an associated gbk flag (initially unset).
    /**
     * @param {Stream} stream Input stream.
     * @param {number} code_point Next code point read from the stream.
     * @return {(number|!Array.<number>)} Byte(s) to emit.
     */
    this.handler = function(stream, code_point) {
      // 1. If code point is end-of-stream, return finished.
      if (code_point === end_of_stream)
        return finished;

      // 2. If code point is an ASCII code point, return a byte whose
      // value is code point.
      if (isASCIICodePoint(code_point))
        return code_point;

      // 3. If code point is U+E5E5, return error with code point.
      if (code_point === 0xE5E5)
        return encoderError(code_point);

      // 4. If the gbk flag is set and code point is U+20AC, return
      // byte 0x80.
      if (gbk_flag && code_point === 0x20AC)
        return 0x80;

      // 5. Let pointer be the index pointer for code point in index
      // gb18030.
      var pointer = indexPointerFor(code_point, index('gb18030'));

      // 6. If pointer is not null, run these substeps:
      if (pointer !== null) {

        // 1. Let lead be floor(pointer / 190) + 0x81.
        var lead = floor(pointer / 190) + 0x81;

        // 2. Let trail be pointer % 190.
        var trail = pointer % 190;

        // 3. Let offset be 0x40 if trail is less than 0x3F and 0x41 otherwise.
        var offset = trail < 0x3F ? 0x40 : 0x41;

        // 4. Return two bytes whose values are lead and trail + offset.
        return [lead, trail + offset];
      }

      // 7. If gbk flag is set, return error with code point.
      if (gbk_flag)
        return encoderError(code_point);

      // 8. Set pointer to the index gb18030 ranges pointer for code
      // point.
      pointer = indexGB18030RangesPointerFor(code_point);

      // 9. Let byte1 be floor(pointer / 10 / 126 / 10).
      var byte1 = floor(pointer / 10 / 126 / 10);

      // 10. Set pointer to pointer − byte1 × 10 × 126 × 10.
      pointer = pointer - byte1 * 10 * 126 * 10;

      // 11. Let byte2 be floor(pointer / 10 / 126).
      var byte2 = floor(pointer / 10 / 126);

      // 12. Set pointer to pointer − byte2 × 10 × 126.
      pointer = pointer - byte2 * 10 * 126;

      // 13. Let byte3 be floor(pointer / 10).
      var byte3 = floor(pointer / 10);

      // 14. Let byte4 be pointer − byte3 × 10.
      var byte4 = pointer - byte3 * 10;

      // 15. Return four bytes whose values are byte1 + 0x81, byte2 +
      // 0x30, byte3 + 0x81, byte4 + 0x30.
      return [byte1 + 0x81,
              byte2 + 0x30,
              byte3 + 0x81,
              byte4 + 0x30];
    };
  }

  /** @param {{fatal: boolean}} options */
  encoders['gb18030'] = function(options) {
    return new GB18030Encoder(options);
  };
  /** @param {{fatal: boolean}} options */
  decoders['gb18030'] = function(options) {
    return new GB18030Decoder(options);
  };


  //
  // 12. Legacy multi-byte Chinese (traditional) encodings
  //

  // 12.1 Big5

  // 12.1.1 Big5 decoder
  /**
   * @constructor
   * @implements {Decoder}
   * @param {{fatal: boolean}} options
   */
  function Big5Decoder(options) {
    var fatal = options.fatal;
    // Big5's decoder has an associated Big5 lead (initially 0x00).
    var /** @type {number} */ Big5_lead = 0x00;

    /**
     * @param {Stream} stream The stream of bytes being decoded.
     * @param {number} bite The next byte read from the stream.
     * @return {?(number|!Array.<number>)} The next code point(s)
     *     decoded, or null if not enough data exists in the input
     *     stream to decode a complete code point.
     */
    this.handler = function(stream, bite) {
      // 1. If byte is end-of-stream and Big5 lead is not 0x00, set
      // Big5 lead to 0x00 and return error.
      if (bite === end_of_stream && Big5_lead !== 0x00) {
        Big5_lead = 0x00;
        return decoderError(fatal);
      }

      // 2. If byte is end-of-stream and Big5 lead is 0x00, return
      // finished.
      if (bite === end_of_stream && Big5_lead === 0x00)
        return finished;

      // 3. If Big5 lead is not 0x00, let lead be Big5 lead, let
      // pointer be null, set Big5 lead to 0x00, and then run these
      // substeps:
      if (Big5_lead !== 0x00) {
        var lead = Big5_lead;
        var pointer = null;
        Big5_lead = 0x00;

        // 1. Let offset be 0x40 if byte is less than 0x7F and 0x62
        // otherwise.
        var offset = bite < 0x7F ? 0x40 : 0x62;

        // 2. If byte is in the range 0x40 to 0x7E, inclusive, or 0xA1
        // to 0xFE, inclusive, set pointer to (lead − 0x81) × 157 +
        // (byte − offset).
        if (inRange(bite, 0x40, 0x7E) || inRange(bite, 0xA1, 0xFE))
          pointer = (lead - 0x81) * 157 + (bite - offset);

        // 3. If there is a row in the table below whose first column
        // is pointer, return the two code points listed in its second
        // column
        // Pointer | Code points
        // --------+--------------
        // 1133    | U+00CA U+0304
        // 1135    | U+00CA U+030C
        // 1164    | U+00EA U+0304
        // 1166    | U+00EA U+030C
        switch (pointer) {
          case 1133: return [0x00CA, 0x0304];
          case 1135: return [0x00CA, 0x030C];
          case 1164: return [0x00EA, 0x0304];
          case 1166: return [0x00EA, 0x030C];
        }

        // 4. Let code point be null if pointer is null and the index
        // code point for pointer in index Big5 otherwise.
        var code_point = (pointer === null) ? null :
            indexCodePointFor(pointer, index('big5'));

        // 5. If code point is null and byte is an ASCII byte, prepend
        // byte to stream.
        if (code_point === null && isASCIIByte(bite))
          stream.prepend(bite);

        // 6. If code point is null, return error.
        if (code_point === null)
          return decoderError(fatal);

        // 7. Return a code point whose value is code point.
        return code_point;
      }

      // 4. If byte is an ASCII byte, return a code point whose value
      // is byte.
      if (isASCIIByte(bite))
        return bite;

      // 5. If byte is in the range 0x81 to 0xFE, inclusive, set Big5
      // lead to byte and return continue.
      if (inRange(bite, 0x81, 0xFE)) {
        Big5_lead = bite;
        return null;
      }

      // 6. Return error.
      return decoderError(fatal);
    };
  }

  // 12.1.2 Big5 encoder
  /**
   * @constructor
   * @implements {Encoder}
   * @param {{fatal: boolean}} options
   */
  function Big5Encoder(options) {
    var fatal = options.fatal;
    /**
     * @param {Stream} stream Input stream.
     * @param {number} code_point Next code point read from the stream.
     * @return {(number|!Array.<number>)} Byte(s) to emit.
     */
    this.handler = function(stream, code_point) {
      // 1. If code point is end-of-stream, return finished.
      if (code_point === end_of_stream)
        return finished;

      // 2. If code point is an ASCII code point, return a byte whose
      // value is code point.
      if (isASCIICodePoint(code_point))
        return code_point;

      // 3. Let pointer be the index Big5 pointer for code point.
      var pointer = indexBig5PointerFor(code_point);

      // 4. If pointer is null, return error with code point.
      if (pointer === null)
        return encoderError(code_point);

      // 5. Let lead be floor(pointer / 157) + 0x81.
      var lead = floor(pointer / 157) + 0x81;

      // 6. If lead is less than 0xA1, return error with code point.
      if (lead < 0xA1)
        return encoderError(code_point);

      // 7. Let trail be pointer % 157.
      var trail = pointer % 157;

      // 8. Let offset be 0x40 if trail is less than 0x3F and 0x62
      // otherwise.
      var offset = trail < 0x3F ? 0x40 : 0x62;

      // Return two bytes whose values are lead and trail + offset.
      return [lead, trail + offset];
    };
  }

  /** @param {{fatal: boolean}} options */
  encoders['Big5'] = function(options) {
    return new Big5Encoder(options);
  };
  /** @param {{fatal: boolean}} options */
  decoders['Big5'] = function(options) {
    return new Big5Decoder(options);
  };


  //
  // 13. Legacy multi-byte Japanese encodings
  //

  // 13.1 euc-jp

  // 13.1.1 euc-jp decoder
  /**
   * @constructor
   * @implements {Decoder}
   * @param {{fatal: boolean}} options
   */
  function EUCJPDecoder(options) {
    var fatal = options.fatal;

    // euc-jp's decoder has an associated euc-jp jis0212 flag
    // (initially unset) and euc-jp lead (initially 0x00).
    var /** @type {boolean} */ eucjp_jis0212_flag = false,
        /** @type {number} */ eucjp_lead = 0x00;

    /**
     * @param {Stream} stream The stream of bytes being decoded.
     * @param {number} bite The next byte read from the stream.
     * @return {?(number|!Array.<number>)} The next code point(s)
     *     decoded, or null if not enough data exists in the input
     *     stream to decode a complete code point.
     */
    this.handler = function(stream, bite) {
      // 1. If byte is end-of-stream and euc-jp lead is not 0x00, set
      // euc-jp lead to 0x00, and return error.
      if (bite === end_of_stream && eucjp_lead !== 0x00) {
        eucjp_lead = 0x00;
        return decoderError(fatal);
      }

      // 2. If byte is end-of-stream and euc-jp lead is 0x00, return
      // finished.
      if (bite === end_of_stream && eucjp_lead === 0x00)
        return finished;

      // 3. If euc-jp lead is 0x8E and byte is in the range 0xA1 to
      // 0xDF, inclusive, set euc-jp lead to 0x00 and return a code
      // point whose value is 0xFF61 − 0xA1 + byte.
      if (eucjp_lead === 0x8E && inRange(bite, 0xA1, 0xDF)) {
        eucjp_lead = 0x00;
        return 0xFF61 - 0xA1 + bite;
      }

      // 4. If euc-jp lead is 0x8F and byte is in the range 0xA1 to
      // 0xFE, inclusive, set the euc-jp jis0212 flag, set euc-jp lead
      // to byte, and return continue.
      if (eucjp_lead === 0x8F && inRange(bite, 0xA1, 0xFE)) {
        eucjp_jis0212_flag = true;
        eucjp_lead = bite;
        return null;
      }

      // 5. If euc-jp lead is not 0x00, let lead be euc-jp lead, set
      // euc-jp lead to 0x00, and run these substeps:
      if (eucjp_lead !== 0x00) {
        var lead = eucjp_lead;
        eucjp_lead = 0x00;

        // 1. Let code point be null.
        var code_point = null;

        // 2. If lead and byte are both in the range 0xA1 to 0xFE,
        // inclusive, set code point to the index code point for (lead
        // − 0xA1) × 94 + byte − 0xA1 in index jis0208 if the euc-jp
        // jis0212 flag is unset and in index jis0212 otherwise.
        if (inRange(lead, 0xA1, 0xFE) && inRange(bite, 0xA1, 0xFE)) {
          code_point = indexCodePointFor(
            (lead - 0xA1) * 94 + (bite - 0xA1),
            index(!eucjp_jis0212_flag ? 'jis0208' : 'jis0212'));
        }

        // 3. Unset the euc-jp jis0212 flag.
        eucjp_jis0212_flag = false;

        // 4. If byte is not in the range 0xA1 to 0xFE, inclusive,
        // prepend byte to stream.
        if (!inRange(bite, 0xA1, 0xFE))
          stream.prepend(bite);

        // 5. If code point is null, return error.
        if (code_point === null)
          return decoderError(fatal);

        // 6. Return a code point whose value is code point.
        return code_point;
      }

      // 6. If byte is an ASCII byte, return a code point whose value
      // is byte.
      if (isASCIIByte(bite))
        return bite;

      // 7. If byte is 0x8E, 0x8F, or in the range 0xA1 to 0xFE,
      // inclusive, set euc-jp lead to byte and return continue.
      if (bite === 0x8E || bite === 0x8F || inRange(bite, 0xA1, 0xFE)) {
        eucjp_lead = bite;
        return null;
      }

      // 8. Return error.
      return decoderError(fatal);
    };
  }

  // 13.1.2 euc-jp encoder
  /**
   * @constructor
   * @implements {Encoder}
   * @param {{fatal: boolean}} options
   */
  function EUCJPEncoder(options) {
    var fatal = options.fatal;
    /**
     * @param {Stream} stream Input stream.
     * @param {number} code_point Next code point read from the stream.
     * @return {(number|!Array.<number>)} Byte(s) to emit.
     */
    this.handler = function(stream, code_point) {
      // 1. If code point is end-of-stream, return finished.
      if (code_point === end_of_stream)
        return finished;

      // 2. If code point is an ASCII code point, return a byte whose
      // value is code point.
      if (isASCIICodePoint(code_point))
        return code_point;

      // 3. If code point is U+00A5, return byte 0x5C.
      if (code_point === 0x00A5)
        return 0x5C;

      // 4. If code point is U+203E, return byte 0x7E.
      if (code_point === 0x203E)
        return 0x7E;

      // 5. If code point is in the range U+FF61 to U+FF9F, inclusive,
      // return two bytes whose values are 0x8E and code point −
      // 0xFF61 + 0xA1.
      if (inRange(code_point, 0xFF61, 0xFF9F))
        return [0x8E, code_point - 0xFF61 + 0xA1];

      // 6. If code point is U+2212, set it to U+FF0D.
      if (code_point === 0x2212)
        code_point = 0xFF0D;

      // 7. Let pointer be the index pointer for code point in index
      // jis0208.
      var pointer = indexPointerFor(code_point, index('jis0208'));

      // 8. If pointer is null, return error with code point.
      if (pointer === null)
        return encoderError(code_point);

      // 9. Let lead be floor(pointer / 94) + 0xA1.
      var lead = floor(pointer / 94) + 0xA1;

      // 10. Let trail be pointer % 94 + 0xA1.
      var trail = pointer % 94 + 0xA1;

      // 11. Return two bytes whose values are lead and trail.
      return [lead, trail];
    };
  }

  /** @param {{fatal: boolean}} options */
  encoders['EUC-JP'] = function(options) {
    return new EUCJPEncoder(options);
  };
  /** @param {{fatal: boolean}} options */
  decoders['EUC-JP'] = function(options) {
    return new EUCJPDecoder(options);
  };

  // 13.2 iso-2022-jp

  // 13.2.1 iso-2022-jp decoder
  /**
   * @constructor
   * @implements {Decoder}
   * @param {{fatal: boolean}} options
   */
  function ISO2022JPDecoder(options) {
    var fatal = options.fatal;
    /** @enum */
    var states = {
      ASCII: 0,
      Roman: 1,
      Katakana: 2,
      LeadByte: 3,
      TrailByte: 4,
      EscapeStart: 5,
      Escape: 6
    };
    // iso-2022-jp's decoder has an associated iso-2022-jp decoder
    // state (initially ASCII), iso-2022-jp decoder output state
    // (initially ASCII), iso-2022-jp lead (initially 0x00), and
    // iso-2022-jp output flag (initially unset).
    var /** @type {number} */ iso2022jp_decoder_state = states.ASCII,
        /** @type {number} */ iso2022jp_decoder_output_state = states.ASCII,
        /** @type {number} */ iso2022jp_lead = 0x00,
        /** @type {boolean} */ iso2022jp_output_flag = false;
    /**
     * @param {Stream} stream The stream of bytes being decoded.
     * @param {number} bite The next byte read from the stream.
     * @return {?(number|!Array.<number>)} The next code point(s)
     *     decoded, or null if not enough data exists in the input
     *     stream to decode a complete code point.
     */
    this.handler = function(stream, bite) {
      // switching on iso-2022-jp decoder state:
      switch (iso2022jp_decoder_state) {
      default:
      case states.ASCII:
        // ASCII
        // Based on byte:

        // 0x1B
        if (bite === 0x1B) {
          // Set iso-2022-jp decoder state to escape start and return
          // continue.
          iso2022jp_decoder_state = states.EscapeStart;
          return null;
        }

        // 0x00 to 0x7F, excluding 0x0E, 0x0F, and 0x1B
        if (inRange(bite, 0x00, 0x7F) && bite !== 0x0E
            && bite !== 0x0F && bite !== 0x1B) {
          // Unset the iso-2022-jp output flag and return a code point
          // whose value is byte.
          iso2022jp_output_flag = false;
          return bite;
        }

        // end-of-stream
        if (bite === end_of_stream) {
          // Return finished.
          return finished;
        }

        // Otherwise
        // Unset the iso-2022-jp output flag and return error.
        iso2022jp_output_flag = false;
        return decoderError(fatal);

      case states.Roman:
        // Roman
        // Based on byte:

        // 0x1B
        if (bite === 0x1B) {
          // Set iso-2022-jp decoder state to escape start and return
          // continue.
          iso2022jp_decoder_state = states.EscapeStart;
          return null;
        }

        // 0x5C
        if (bite === 0x5C) {
          // Unset the iso-2022-jp output flag and return code point
          // U+00A5.
          iso2022jp_output_flag = false;
          return 0x00A5;
        }

        // 0x7E
        if (bite === 0x7E) {
          // Unset the iso-2022-jp output flag and return code point
          // U+203E.
          iso2022jp_output_flag = false;
          return 0x203E;
        }

        // 0x00 to 0x7F, excluding 0x0E, 0x0F, 0x1B, 0x5C, and 0x7E
        if (inRange(bite, 0x00, 0x7F) && bite !== 0x0E && bite !== 0x0F
            && bite !== 0x1B && bite !== 0x5C && bite !== 0x7E) {
          // Unset the iso-2022-jp output flag and return a code point
          // whose value is byte.
          iso2022jp_output_flag = false;
          return bite;
        }

        // end-of-stream
        if (bite === end_of_stream) {
          // Return finished.
          return finished;
        }

        // Otherwise
        // Unset the iso-2022-jp output flag and return error.
        iso2022jp_output_flag = false;
        return decoderError(fatal);

      case states.Katakana:
        // Katakana
        // Based on byte:

        // 0x1B
        if (bite === 0x1B) {
          // Set iso-2022-jp decoder state to escape start and return
          // continue.
          iso2022jp_decoder_state = states.EscapeStart;
          return null;
        }

        // 0x21 to 0x5F
        if (inRange(bite, 0x21, 0x5F)) {
          // Unset the iso-2022-jp output flag and return a code point
          // whose value is 0xFF61 − 0x21 + byte.
          iso2022jp_output_flag = false;
          return 0xFF61 - 0x21 + bite;
        }

        // end-of-stream
        if (bite === end_of_stream) {
          // Return finished.
          return finished;
        }

        // Otherwise
        // Unset the iso-2022-jp output flag and return error.
        iso2022jp_output_flag = false;
        return decoderError(fatal);

      case states.LeadByte:
        // Lead byte
        // Based on byte:

        // 0x1B
        if (bite === 0x1B) {
          // Set iso-2022-jp decoder state to escape start and return
          // continue.
          iso2022jp_decoder_state = states.EscapeStart;
          return null;
        }

        // 0x21 to 0x7E
        if (inRange(bite, 0x21, 0x7E)) {
          // Unset the iso-2022-jp output flag, set iso-2022-jp lead
          // to byte, iso-2022-jp decoder state to trail byte, and
          // return continue.
          iso2022jp_output_flag = false;
          iso2022jp_lead = bite;
          iso2022jp_decoder_state = states.TrailByte;
          return null;
        }

        // end-of-stream
        if (bite === end_of_stream) {
          // Return finished.
          return finished;
        }

        // Otherwise
        // Unset the iso-2022-jp output flag and return error.
        iso2022jp_output_flag = false;
        return decoderError(fatal);

      case states.TrailByte:
        // Trail byte
        // Based on byte:

        // 0x1B
        if (bite === 0x1B) {
          // Set iso-2022-jp decoder state to escape start and return
          // continue.
          iso2022jp_decoder_state = states.EscapeStart;
          return decoderError(fatal);
        }

        // 0x21 to 0x7E
        if (inRange(bite, 0x21, 0x7E)) {
          // 1. Set the iso-2022-jp decoder state to lead byte.
          iso2022jp_decoder_state = states.LeadByte;

          // 2. Let pointer be (iso-2022-jp lead − 0x21) × 94 + byte − 0x21.
          var pointer = (iso2022jp_lead - 0x21) * 94 + bite - 0x21;

          // 3. Let code point be the index code point for pointer in
          // index jis0208.
          var code_point = indexCodePointFor(pointer, index('jis0208'));

          // 4. If code point is null, return error.
          if (code_point === null)
            return decoderError(fatal);

          // 5. Return a code point whose value is code point.
          return code_point;
        }

        // end-of-stream
        if (bite === end_of_stream) {
          // Set the iso-2022-jp decoder state to lead byte, prepend
          // byte to stream, and return error.
          iso2022jp_decoder_state = states.LeadByte;
          stream.prepend(bite);
          return decoderError(fatal);
        }

        // Otherwise
        // Set iso-2022-jp decoder state to lead byte and return
        // error.
        iso2022jp_decoder_state = states.LeadByte;
        return decoderError(fatal);

      case states.EscapeStart:
        // Escape start

        // 1. If byte is either 0x24 or 0x28, set iso-2022-jp lead to
        // byte, iso-2022-jp decoder state to escape, and return
        // continue.
        if (bite === 0x24 || bite === 0x28) {
          iso2022jp_lead = bite;
          iso2022jp_decoder_state = states.Escape;
          return null;
        }

        // 2. Prepend byte to stream.
        stream.prepend(bite);

        // 3. Unset the iso-2022-jp output flag, set iso-2022-jp
        // decoder state to iso-2022-jp decoder output state, and
        // return error.
        iso2022jp_output_flag = false;
        iso2022jp_decoder_state = iso2022jp_decoder_output_state;
        return decoderError(fatal);

      case states.Escape:
        // Escape

        // 1. Let lead be iso-2022-jp lead and set iso-2022-jp lead to
        // 0x00.
        var lead = iso2022jp_lead;
        iso2022jp_lead = 0x00;

        // 2. Let state be null.
        var state = null;

        // 3. If lead is 0x28 and byte is 0x42, set state to ASCII.
        if (lead === 0x28 && bite === 0x42)
          state = states.ASCII;

        // 4. If lead is 0x28 and byte is 0x4A, set state to Roman.
        if (lead === 0x28 && bite === 0x4A)
          state = states.Roman;

        // 5. If lead is 0x28 and byte is 0x49, set state to Katakana.
        if (lead === 0x28 && bite === 0x49)
          state = states.Katakana;

        // 6. If lead is 0x24 and byte is either 0x40 or 0x42, set
        // state to lead byte.
        if (lead === 0x24 && (bite === 0x40 || bite === 0x42))
          state = states.LeadByte;

        // 7. If state is non-null, run these substeps:
        if (state !== null) {
          // 1. Set iso-2022-jp decoder state and iso-2022-jp decoder
          // output state to states.
          iso2022jp_decoder_state = iso2022jp_decoder_state = state;

          // 2. Let output flag be the iso-2022-jp output flag.
          var output_flag = iso2022jp_output_flag;

          // 3. Set the iso-2022-jp output flag.
          iso2022jp_output_flag = true;

          // 4. Return continue, if output flag is unset, and error
          // otherwise.
          return !output_flag ? null : decoderError(fatal);
        }

        // 8. Prepend lead and byte to stream.
        stream.prepend([lead, bite]);

        // 9. Unset the iso-2022-jp output flag, set iso-2022-jp
        // decoder state to iso-2022-jp decoder output state and
        // return error.
        iso2022jp_output_flag = false;
        iso2022jp_decoder_state = iso2022jp_decoder_output_state;
        return decoderError(fatal);
      }
    };
  }

  // 13.2.2 iso-2022-jp encoder
  /**
   * @constructor
   * @implements {Encoder}
   * @param {{fatal: boolean}} options
   */
  function ISO2022JPEncoder(options) {
    var fatal = options.fatal;
    // iso-2022-jp's encoder has an associated iso-2022-jp encoder
    // state which is one of ASCII, Roman, and jis0208 (initially
    // ASCII).
    /** @enum */
    var states = {
      ASCII: 0,
      Roman: 1,
      jis0208: 2
    };
    var /** @type {number} */ iso2022jp_state = states.ASCII;
    /**
     * @param {Stream} stream Input stream.
     * @param {number} code_point Next code point read from the stream.
     * @return {(number|!Array.<number>)} Byte(s) to emit.
     */
    this.handler = function(stream, code_point) {
      // 1. If code point is end-of-stream and iso-2022-jp encoder
      // state is not ASCII, prepend code point to stream, set
      // iso-2022-jp encoder state to ASCII, and return three bytes
      // 0x1B 0x28 0x42.
      if (code_point === end_of_stream &&
          iso2022jp_state !== states.ASCII) {
        stream.prepend(code_point);
        iso2022jp_state = states.ASCII;
        return [0x1B, 0x28, 0x42];
      }

      // 2. If code point is end-of-stream and iso-2022-jp encoder
      // state is ASCII, return finished.
      if (code_point === end_of_stream && iso2022jp_state === states.ASCII)
        return finished;

      // 3. If ISO-2022-JP encoder state is ASCII or Roman, and code
      // point is U+000E, U+000F, or U+001B, return error with U+FFFD.
      if ((iso2022jp_state === states.ASCII ||
           iso2022jp_state === states.Roman) &&
          (code_point === 0x000E || code_point === 0x000F ||
           code_point === 0x001B)) {
        return encoderError(0xFFFD);
      }

      // 4. If iso-2022-jp encoder state is ASCII and code point is an
      // ASCII code point, return a byte whose value is code point.
      if (iso2022jp_state === states.ASCII &&
          isASCIICodePoint(code_point))
        return code_point;

      // 5. If iso-2022-jp encoder state is Roman and code point is an
      // ASCII code point, excluding U+005C and U+007E, or is U+00A5
      // or U+203E, run these substeps:
      if (iso2022jp_state === states.Roman &&
          ((isASCIICodePoint(code_point) &&
           code_point !== 0x005C && code_point !== 0x007E) ||
          (code_point == 0x00A5 || code_point == 0x203E))) {

        // 1. If code point is an ASCII code point, return a byte
        // whose value is code point.
        if (isASCIICodePoint(code_point))
          return code_point;

        // 2. If code point is U+00A5, return byte 0x5C.
        if (code_point === 0x00A5)
          return 0x5C;

        // 3. If code point is U+203E, return byte 0x7E.
        if (code_point === 0x203E)
          return 0x7E;
      }

      // 6. If code point is an ASCII code point, and iso-2022-jp
      // encoder state is not ASCII, prepend code point to stream, set
      // iso-2022-jp encoder state to ASCII, and return three bytes
      // 0x1B 0x28 0x42.
      if (isASCIICodePoint(code_point) &&
          iso2022jp_state !== states.ASCII) {
        stream.prepend(code_point);
        iso2022jp_state = states.ASCII;
        return [0x1B, 0x28, 0x42];
      }

      // 7. If code point is either U+00A5 or U+203E, and iso-2022-jp
      // encoder state is not Roman, prepend code point to stream, set
      // iso-2022-jp encoder state to Roman, and return three bytes
      // 0x1B 0x28 0x4A.
      if ((code_point === 0x00A5 || code_point === 0x203E) &&
          iso2022jp_state !== states.Roman) {
        stream.prepend(code_point);
        iso2022jp_state = states.Roman;
        return [0x1B, 0x28, 0x4A];
      }

      // 8. If code point is U+2212, set it to U+FF0D.
      if (code_point === 0x2212)
        code_point = 0xFF0D;

      // 9. Let pointer be the index pointer for code point in index
      // jis0208.
      var pointer = indexPointerFor(code_point, index('jis0208'));

      // 10. If pointer is null, return error with code point.
      if (pointer === null)
        return encoderError(code_point);

      // 11. If iso-2022-jp encoder state is not jis0208, prepend code
      // point to stream, set iso-2022-jp encoder state to jis0208,
      // and return three bytes 0x1B 0x24 0x42.
      if (iso2022jp_state !== states.jis0208) {
        stream.prepend(code_point);
        iso2022jp_state = states.jis0208;
        return [0x1B, 0x24, 0x42];
      }

      // 12. Let lead be floor(pointer / 94) + 0x21.
      var lead = floor(pointer / 94) + 0x21;

      // 13. Let trail be pointer % 94 + 0x21.
      var trail = pointer % 94 + 0x21;

      // 14. Return two bytes whose values are lead and trail.
      return [lead, trail];
    };
  }

  /** @param {{fatal: boolean}} options */
  encoders['ISO-2022-JP'] = function(options) {
    return new ISO2022JPEncoder(options);
  };
  /** @param {{fatal: boolean}} options */
  decoders['ISO-2022-JP'] = function(options) {
    return new ISO2022JPDecoder(options);
  };

  // 13.3 Shift_JIS

  // 13.3.1 Shift_JIS decoder
  /**
   * @constructor
   * @implements {Decoder}
   * @param {{fatal: boolean}} options
   */
  function ShiftJISDecoder(options) {
    var fatal = options.fatal;
    // Shift_JIS's decoder has an associated Shift_JIS lead (initially
    // 0x00).
    var /** @type {number} */ Shift_JIS_lead = 0x00;
    /**
     * @param {Stream} stream The stream of bytes being decoded.
     * @param {number} bite The next byte read from the stream.
     * @return {?(number|!Array.<number>)} The next code point(s)
     *     decoded, or null if not enough data exists in the input
     *     stream to decode a complete code point.
     */
    this.handler = function(stream, bite) {
      // 1. If byte is end-of-stream and Shift_JIS lead is not 0x00,
      // set Shift_JIS lead to 0x00 and return error.
      if (bite === end_of_stream && Shift_JIS_lead !== 0x00) {
        Shift_JIS_lead = 0x00;
        return decoderError(fatal);
      }

      // 2. If byte is end-of-stream and Shift_JIS lead is 0x00,
      // return finished.
      if (bite === end_of_stream && Shift_JIS_lead === 0x00)
        return finished;

      // 3. If Shift_JIS lead is not 0x00, let lead be Shift_JIS lead,
      // let pointer be null, set Shift_JIS lead to 0x00, and then run
      // these substeps:
      if (Shift_JIS_lead !== 0x00) {
        var lead = Shift_JIS_lead;
        var pointer = null;
        Shift_JIS_lead = 0x00;

        // 1. Let offset be 0x40, if byte is less than 0x7F, and 0x41
        // otherwise.
        var offset = (bite < 0x7F) ? 0x40 : 0x41;

        // 2. Let lead offset be 0x81, if lead is less than 0xA0, and
        // 0xC1 otherwise.
        var lead_offset = (lead < 0xA0) ? 0x81 : 0xC1;

        // 3. If byte is in the range 0x40 to 0x7E, inclusive, or 0x80
        // to 0xFC, inclusive, set pointer to (lead − lead offset) ×
        // 188 + byte − offset.
        if (inRange(bite, 0x40, 0x7E) || inRange(bite, 0x80, 0xFC))
          pointer = (lead - lead_offset) * 188 + bite - offset;

        // 4. If pointer is in the range 8836 to 10715, inclusive,
        // return a code point whose value is 0xE000 − 8836 + pointer.
        if (inRange(pointer, 8836, 10715))
          return 0xE000 - 8836 + pointer;

        // 5. Let code point be null, if pointer is null, and the
        // index code point for pointer in index jis0208 otherwise.
        var code_point = (pointer === null) ? null :
              indexCodePointFor(pointer, index('jis0208'));

        // 6. If code point is null and byte is an ASCII byte, prepend
        // byte to stream.
        if (code_point === null && isASCIIByte(bite))
          stream.prepend(bite);

        // 7. If code point is null, return error.
        if (code_point === null)
          return decoderError(fatal);

        // 8. Return a code point whose value is code point.
        return code_point;
      }

      // 4. If byte is an ASCII byte or 0x80, return a code point
      // whose value is byte.
      if (isASCIIByte(bite) || bite === 0x80)
        return bite;

      // 5. If byte is in the range 0xA1 to 0xDF, inclusive, return a
      // code point whose value is 0xFF61 − 0xA1 + byte.
      if (inRange(bite, 0xA1, 0xDF))
        return 0xFF61 - 0xA1 + bite;

      // 6. If byte is in the range 0x81 to 0x9F, inclusive, or 0xE0
      // to 0xFC, inclusive, set Shift_JIS lead to byte and return
      // continue.
      if (inRange(bite, 0x81, 0x9F) || inRange(bite, 0xE0, 0xFC)) {
        Shift_JIS_lead = bite;
        return null;
      }

      // 7. Return error.
      return decoderError(fatal);
    };
  }

  // 13.3.2 Shift_JIS encoder
  /**
   * @constructor
   * @implements {Encoder}
   * @param {{fatal: boolean}} options
   */
  function ShiftJISEncoder(options) {
    var fatal = options.fatal;
    /**
     * @param {Stream} stream Input stream.
     * @param {number} code_point Next code point read from the stream.
     * @return {(number|!Array.<number>)} Byte(s) to emit.
     */
    this.handler = function(stream, code_point) {
      // 1. If code point is end-of-stream, return finished.
      if (code_point === end_of_stream)
        return finished;

      // 2. If code point is an ASCII code point or U+0080, return a
      // byte whose value is code point.
      if (isASCIICodePoint(code_point) || code_point === 0x0080)
        return code_point;

      // 3. If code point is U+00A5, return byte 0x5C.
      if (code_point === 0x00A5)
        return 0x5C;

      // 4. If code point is U+203E, return byte 0x7E.
      if (code_point === 0x203E)
        return 0x7E;

      // 5. If code point is in the range U+FF61 to U+FF9F, inclusive,
      // return a byte whose value is code point − 0xFF61 + 0xA1.
      if (inRange(code_point, 0xFF61, 0xFF9F))
        return code_point - 0xFF61 + 0xA1;

      // 6. If code point is U+2212, set it to U+FF0D.
      if (code_point === 0x2212)
        code_point = 0xFF0D;

      // 7. Let pointer be the index Shift_JIS pointer for code point.
      var pointer = indexShiftJISPointerFor(code_point);

      // 8. If pointer is null, return error with code point.
      if (pointer === null)
        return encoderError(code_point);

      // 9. Let lead be floor(pointer / 188).
      var lead = floor(pointer / 188);

      // 10. Let lead offset be 0x81, if lead is less than 0x1F, and
      // 0xC1 otherwise.
      var lead_offset = (lead < 0x1F) ? 0x81 : 0xC1;

      // 11. Let trail be pointer % 188.
      var trail = pointer % 188;

      // 12. Let offset be 0x40, if trail is less than 0x3F, and 0x41
      // otherwise.
      var offset = (trail < 0x3F) ? 0x40 : 0x41;

      // 13. Return two bytes whose values are lead + lead offset and
      // trail + offset.
      return [lead + lead_offset, trail + offset];
    };
  }

  /** @param {{fatal: boolean}} options */
  encoders['Shift_JIS'] = function(options) {
    return new ShiftJISEncoder(options);
  };
  /** @param {{fatal: boolean}} options */
  decoders['Shift_JIS'] = function(options) {
    return new ShiftJISDecoder(options);
  };

  //
  // 14. Legacy multi-byte Korean encodings
  //

  // 14.1 euc-kr

  // 14.1.1 euc-kr decoder
  /**
   * @constructor
   * @implements {Decoder}
   * @param {{fatal: boolean}} options
   */
  function EUCKRDecoder(options) {
    var fatal = options.fatal;

    // euc-kr's decoder has an associated euc-kr lead (initially 0x00).
    var /** @type {number} */ euckr_lead = 0x00;
    /**
     * @param {Stream} stream The stream of bytes being decoded.
     * @param {number} bite The next byte read from the stream.
     * @return {?(number|!Array.<number>)} The next code point(s)
     *     decoded, or null if not enough data exists in the input
     *     stream to decode a complete code point.
     */
    this.handler = function(stream, bite) {
      // 1. If byte is end-of-stream and euc-kr lead is not 0x00, set
      // euc-kr lead to 0x00 and return error.
      if (bite === end_of_stream && euckr_lead !== 0) {
        euckr_lead = 0x00;
        return decoderError(fatal);
      }

      // 2. If byte is end-of-stream and euc-kr lead is 0x00, return
      // finished.
      if (bite === end_of_stream && euckr_lead === 0)
        return finished;

      // 3. If euc-kr lead is not 0x00, let lead be euc-kr lead, let
      // pointer be null, set euc-kr lead to 0x00, and then run these
      // substeps:
      if (euckr_lead !== 0x00) {
        var lead = euckr_lead;
        var pointer = null;
        euckr_lead = 0x00;

        // 1. If byte is in the range 0x41 to 0xFE, inclusive, set
        // pointer to (lead − 0x81) × 190 + (byte − 0x41).
        if (inRange(bite, 0x41, 0xFE))
          pointer = (lead - 0x81) * 190 + (bite - 0x41);

        // 2. Let code point be null, if pointer is null, and the
        // index code point for pointer in index euc-kr otherwise.
        var code_point = (pointer === null)
              ? null : indexCodePointFor(pointer, index('euc-kr'));

        // 3. If code point is null and byte is an ASCII byte, prepend
        // byte to stream.
        if (pointer === null && isASCIIByte(bite))
          stream.prepend(bite);

        // 4. If code point is null, return error.
        if (code_point === null)
          return decoderError(fatal);

        // 5. Return a code point whose value is code point.
        return code_point;
      }

      // 4. If byte is an ASCII byte, return a code point whose value
      // is byte.
      if (isASCIIByte(bite))
        return bite;

      // 5. If byte is in the range 0x81 to 0xFE, inclusive, set
      // euc-kr lead to byte and return continue.
      if (inRange(bite, 0x81, 0xFE)) {
        euckr_lead = bite;
        return null;
      }

      // 6. Return error.
      return decoderError(fatal);
    };
  }

  // 14.1.2 euc-kr encoder
  /**
   * @constructor
   * @implements {Encoder}
   * @param {{fatal: boolean}} options
   */
  function EUCKREncoder(options) {
    var fatal = options.fatal;
    /**
     * @param {Stream} stream Input stream.
     * @param {number} code_point Next code point read from the stream.
     * @return {(number|!Array.<number>)} Byte(s) to emit.
     */
    this.handler = function(stream, code_point) {
      // 1. If code point is end-of-stream, return finished.
      if (code_point === end_of_stream)
        return finished;

      // 2. If code point is an ASCII code point, return a byte whose
      // value is code point.
      if (isASCIICodePoint(code_point))
        return code_point;

      // 3. Let pointer be the index pointer for code point in index
      // euc-kr.
      var pointer = indexPointerFor(code_point, index('euc-kr'));

      // 4. If pointer is null, return error with code point.
      if (pointer === null)
        return encoderError(code_point);

      // 5. Let lead be floor(pointer / 190) + 0x81.
      var lead = floor(pointer / 190) + 0x81;

      // 6. Let trail be pointer % 190 + 0x41.
      var trail = (pointer % 190) + 0x41;

      // 7. Return two bytes whose values are lead and trail.
      return [lead, trail];
    };
  }

  /** @param {{fatal: boolean}} options */
  encoders['EUC-KR'] = function(options) {
    return new EUCKREncoder(options);
  };
  /** @param {{fatal: boolean}} options */
  decoders['EUC-KR'] = function(options) {
    return new EUCKRDecoder(options);
  };


  //
  // 15. Legacy miscellaneous encodings
  //

  // 15.1 replacement

  // Not needed - API throws RangeError

  // 15.2 Common infrastructure for utf-16be and utf-16le

  /**
   * @param {number} code_unit
   * @param {boolean} utf16be
   * @return {!Array.<number>} bytes
   */
  function convertCodeUnitToBytes(code_unit, utf16be) {
    // 1. Let byte1 be code unit >> 8.
    var byte1 = code_unit >> 8;

    // 2. Let byte2 be code unit & 0x00FF.
    var byte2 = code_unit & 0x00FF;

    // 3. Then return the bytes in order:
        // utf-16be flag is set: byte1, then byte2.
    if (utf16be)
      return [byte1, byte2];
    // utf-16be flag is unset: byte2, then byte1.
    return [byte2, byte1];
  }

  // 15.2.1 shared utf-16 decoder
  /**
   * @constructor
   * @implements {Decoder}
   * @param {boolean} utf16_be True if big-endian, false if little-endian.
   * @param {{fatal: boolean}} options
   */
  function UTF16Decoder(utf16_be, options) {
    var fatal = options.fatal;
    var /** @type {?number} */ utf16_lead_byte = null,
        /** @type {?number} */ utf16_lead_surrogate = null;
    /**
     * @param {Stream} stream The stream of bytes being decoded.
     * @param {number} bite The next byte read from the stream.
     * @return {?(number|!Array.<number>)} The next code point(s)
     *     decoded, or null if not enough data exists in the input
     *     stream to decode a complete code point.
     */
    this.handler = function(stream, bite) {
      // 1. If byte is end-of-stream and either utf-16 lead byte or
      // utf-16 lead surrogate is not null, set utf-16 lead byte and
      // utf-16 lead surrogate to null, and return error.
      if (bite === end_of_stream && (utf16_lead_byte !== null ||
                                utf16_lead_surrogate !== null)) {
        return decoderError(fatal);
      }

      // 2. If byte is end-of-stream and utf-16 lead byte and utf-16
      // lead surrogate are null, return finished.
      if (bite === end_of_stream && utf16_lead_byte === null &&
          utf16_lead_surrogate === null) {
        return finished;
      }

      // 3. If utf-16 lead byte is null, set utf-16 lead byte to byte
      // and return continue.
      if (utf16_lead_byte === null) {
        utf16_lead_byte = bite;
        return null;
      }

      // 4. Let code unit be the result of:
      var code_unit;
      if (utf16_be) {
        // utf-16be decoder flag is set
        //   (utf-16 lead byte << 8) + byte.
        code_unit = (utf16_lead_byte << 8) + bite;
      } else {
        // utf-16be decoder flag is unset
        //   (byte << 8) + utf-16 lead byte.
        code_unit = (bite << 8) + utf16_lead_byte;
      }
      // Then set utf-16 lead byte to null.
      utf16_lead_byte = null;

      // 5. If utf-16 lead surrogate is not null, let lead surrogate
      // be utf-16 lead surrogate, set utf-16 lead surrogate to null,
      // and then run these substeps:
      if (utf16_lead_surrogate !== null) {
        var lead_surrogate = utf16_lead_surrogate;
        utf16_lead_surrogate = null;

        // 1. If code unit is in the range U+DC00 to U+DFFF,
        // inclusive, return a code point whose value is 0x10000 +
        // ((lead surrogate − 0xD800) << 10) + (code unit − 0xDC00).
        if (inRange(code_unit, 0xDC00, 0xDFFF)) {
          return 0x10000 + (lead_surrogate - 0xD800) * 0x400 +
              (code_unit - 0xDC00);
        }

        // 2. Prepend the sequence resulting of converting code unit
        // to bytes using utf-16be decoder flag to stream and return
        // error.
        stream.prepend(convertCodeUnitToBytes(code_unit, utf16_be));
        return decoderError(fatal);
      }

      // 6. If code unit is in the range U+D800 to U+DBFF, inclusive,
      // set utf-16 lead surrogate to code unit and return continue.
      if (inRange(code_unit, 0xD800, 0xDBFF)) {
        utf16_lead_surrogate = code_unit;
        return null;
      }

      // 7. If code unit is in the range U+DC00 to U+DFFF, inclusive,
      // return error.
      if (inRange(code_unit, 0xDC00, 0xDFFF))
        return decoderError(fatal);

      // 8. Return code point code unit.
      return code_unit;
    };
  }

  // 15.2.2 shared utf-16 encoder
  /**
   * @constructor
   * @implements {Encoder}
   * @param {boolean} utf16_be True if big-endian, false if little-endian.
   * @param {{fatal: boolean}} options
   */
  function UTF16Encoder(utf16_be, options) {
    var fatal = options.fatal;
    /**
     * @param {Stream} stream Input stream.
     * @param {number} code_point Next code point read from the stream.
     * @return {(number|!Array.<number>)} Byte(s) to emit.
     */
    this.handler = function(stream, code_point) {
      // 1. If code point is end-of-stream, return finished.
      if (code_point === end_of_stream)
        return finished;

      // 2. If code point is in the range U+0000 to U+FFFF, inclusive,
      // return the sequence resulting of converting code point to
      // bytes using utf-16be encoder flag.
      if (inRange(code_point, 0x0000, 0xFFFF))
        return convertCodeUnitToBytes(code_point, utf16_be);

      // 3. Let lead be ((code point − 0x10000) >> 10) + 0xD800,
      // converted to bytes using utf-16be encoder flag.
      var lead = convertCodeUnitToBytes(
        ((code_point - 0x10000) >> 10) + 0xD800, utf16_be);

      // 4. Let trail be ((code point − 0x10000) & 0x3FF) + 0xDC00,
      // converted to bytes using utf-16be encoder flag.
      var trail = convertCodeUnitToBytes(
        ((code_point - 0x10000) & 0x3FF) + 0xDC00, utf16_be);

      // 5. Return a byte sequence of lead followed by trail.
      return lead.concat(trail);
    };
  }

  // 15.3 utf-16be
  // 15.3.1 utf-16be decoder
  /** @param {{fatal: boolean}} options */
  encoders['UTF-16BE'] = function(options) {
    return new UTF16Encoder(true, options);
  };
  // 15.3.2 utf-16be encoder
  /** @param {{fatal: boolean}} options */
  decoders['UTF-16BE'] = function(options) {
    return new UTF16Decoder(true, options);
  };

  // 15.4 utf-16le
  // 15.4.1 utf-16le decoder
  /** @param {{fatal: boolean}} options */
  encoders['UTF-16LE'] = function(options) {
    return new UTF16Encoder(false, options);
  };
  // 15.4.2 utf-16le encoder
  /** @param {{fatal: boolean}} options */
  decoders['UTF-16LE'] = function(options) {
    return new UTF16Decoder(false, options);
  };

  // 15.5 x-user-defined

  // 15.5.1 x-user-defined decoder
  /**
   * @constructor
   * @implements {Decoder}
   * @param {{fatal: boolean}} options
   */
  function XUserDefinedDecoder(options) {
    var fatal = options.fatal;
    /**
     * @param {Stream} stream The stream of bytes being decoded.
     * @param {number} bite The next byte read from the stream.
     * @return {?(number|!Array.<number>)} The next code point(s)
     *     decoded, or null if not enough data exists in the input
     *     stream to decode a complete code point.
     */
    this.handler = function(stream, bite) {
      // 1. If byte is end-of-stream, return finished.
      if (bite === end_of_stream)
        return finished;

      // 2. If byte is an ASCII byte, return a code point whose value
      // is byte.
      if (isASCIIByte(bite))
        return bite;

      // 3. Return a code point whose value is 0xF780 + byte − 0x80.
      return 0xF780 + bite - 0x80;
    };
  }

  // 15.5.2 x-user-defined encoder
  /**
   * @constructor
   * @implements {Encoder}
   * @param {{fatal: boolean}} options
   */
  function XUserDefinedEncoder(options) {
    var fatal = options.fatal;
    /**
     * @param {Stream} stream Input stream.
     * @param {number} code_point Next code point read from the stream.
     * @return {(number|!Array.<number>)} Byte(s) to emit.
     */
    this.handler = function(stream, code_point) {
      // 1.If code point is end-of-stream, return finished.
      if (code_point === end_of_stream)
        return finished;

      // 2. If code point is an ASCII code point, return a byte whose
      // value is code point.
      if (isASCIICodePoint(code_point))
        return code_point;

      // 3. If code point is in the range U+F780 to U+F7FF, inclusive,
      // return a byte whose value is code point − 0xF780 + 0x80.
      if (inRange(code_point, 0xF780, 0xF7FF))
        return code_point - 0xF780 + 0x80;

      // 4. Return error with code point.
      return encoderError(code_point);
    };
  }

  /** @param {{fatal: boolean}} options */
  encoders['x-user-defined'] = function(options) {
    return new XUserDefinedEncoder(options);
  };
  /** @param {{fatal: boolean}} options */
  decoders['x-user-defined'] = function(options) {
    return new XUserDefinedDecoder(options);
  };

  if (!global['TextEncoder'])
    global['TextEncoder'] = TextEncoder;
  if (!global['TextDecoder'])
    global['TextDecoder'] = TextDecoder;

  if (typeof module !== "undefined" && module.exports) {
    module.exports = {
      TextEncoder: global['TextEncoder'],
      TextDecoder: global['TextDecoder'],
      EncodingIndexes: global["encoding-indexes"]
    };
  }

// For strict environments where `this` inside the global scope
// is `undefined`, take a pure object instead
}(this || {}));
},{"./encoding-indexes.js":33}],35:[function(require,module,exports){
if (typeof Object.create === 'function') {
  // implementation from standard node.js 'util' module
  module.exports = function inherits(ctor, superCtor) {
    ctor.super_ = superCtor
    ctor.prototype = Object.create(superCtor.prototype, {
      constructor: {
        value: ctor,
        enumerable: false,
        writable: true,
        configurable: true
      }
    });
  };
} else {
  // old school shim for old browsers
  module.exports = function inherits(ctor, superCtor) {
    ctor.super_ = superCtor
    var TempCtor = function () {}
    TempCtor.prototype = superCtor.prototype
    ctor.prototype = new TempCtor()
    ctor.prototype.constructor = ctor
  }
}

},{}],36:[function(require,module,exports){
module.exports = Array.isArray || function (arr) {
  return Object.prototype.toString.call(arr) == '[object Array]';
};

},{}],37:[function(require,module,exports){
module.exports = extend;

/*
  var obj = {a: 3, b: 5};
  extend(obj, {a: 4, c: 8}); // {a: 4, b: 5, c: 8}
  obj; // {a: 4, b: 5, c: 8}

  var obj = {a: 3, b: 5};
  extend({}, obj, {a: 4, c: 8}); // {a: 4, b: 5, c: 8}
  obj; // {a: 3, b: 5}

  var arr = [1, 2, 3];
  var obj = {a: 3, b: 5};
  extend(obj, {c: arr}); // {a: 3, b: 5, c: [1, 2, 3]}
  arr.push(4);
  obj; // {a: 3, b: 5, c: [1, 2, 3, 4]}

  var arr = [1, 2, 3];
  var obj = {a: 3, b: 5};
  extend(true, obj, {c: arr}); // {a: 3, b: 5, c: [1, 2, 3]}
  arr.push(4);
  obj; // {a: 3, b: 5, c: [1, 2, 3]}

  extend({a: 4, b: 5}); // {a: 4, b: 5}
  extend({a: 4, b: 5}, 3); {a: 4, b: 5}
  extend({a: 4, b: 5}, true); {a: 4, b: 5}
  extend('hello', {a: 4, b: 5}); // throws
  extend(3, {a: 4, b: 5}); // throws
*/

function extend(/* [deep], obj1, obj2, [objn] */) {
  var args = [].slice.call(arguments);
  var deep = false;
  if (typeof args[0] == 'boolean') {
    deep = args.shift();
  }
  var result = args[0];
  if (isUnextendable(result)) {
    throw new Error('extendee must be an object');
  }
  var extenders = args.slice(1);
  var len = extenders.length;
  for (var i = 0; i < len; i++) {
    var extender = extenders[i];
    for (var key in extender) {
      if (extender.hasOwnProperty(key)) {
        var value = extender[key];
        if (deep && isCloneable(value)) {
          var base = Array.isArray(value) ? [] : {};
          result[key] = extend(
            true,
            result.hasOwnProperty(key) && !isUnextendable(result[key])
              ? result[key]
              : base,
            value
          );
        } else {
          result[key] = value;
        }
      }
    }
  }
  return result;
}

function isCloneable(obj) {
  return Array.isArray(obj) || {}.toString.call(obj) == '[object Object]';
}

function isUnextendable(val) {
  return !val || (typeof val != 'object' && typeof val != 'function');
}

},{}],38:[function(require,module,exports){
var isarray = require('isarray')

/**
 * Expose `pathToRegexp`.
 */
module.exports = pathToRegexp
module.exports.parse = parse
module.exports.compile = compile
module.exports.tokensToFunction = tokensToFunction
module.exports.tokensToRegExp = tokensToRegExp

/**
 * The main path matching regexp utility.
 *
 * @type {RegExp}
 */
var PATH_REGEXP = new RegExp([
  // Match escaped characters that would otherwise appear in future matches.
  // This allows the user to escape special characters that won't transform.
  '(\\\\.)',
  // Match Express-style parameters and un-named parameters with a prefix
  // and optional suffixes. Matches appear as:
  //
  // "/:test(\\d+)?" => ["/", "test", "\d+", undefined, "?", undefined]
  // "/route(\\d+)"  => [undefined, undefined, undefined, "\d+", undefined, undefined]
  // "/*"            => ["/", undefined, undefined, undefined, undefined, "*"]
  '([\\/.])?(?:(?:\\:(\\w+)(?:\\(((?:\\\\.|[^\\\\()])+)\\))?|\\(((?:\\\\.|[^\\\\()])+)\\))([+*?])?|(\\*))'
].join('|'), 'g')

/**
 * Parse a string for the raw tokens.
 *
 * @param  {string}  str
 * @param  {Object=} options
 * @return {!Array}
 */
function parse (str, options) {
  var tokens = []
  var key = 0
  var index = 0
  var path = ''
  var defaultDelimiter = options && options.delimiter || '/'
  var res

  while ((res = PATH_REGEXP.exec(str)) != null) {
    var m = res[0]
    var escaped = res[1]
    var offset = res.index
    path += str.slice(index, offset)
    index = offset + m.length

    // Ignore already escaped sequences.
    if (escaped) {
      path += escaped[1]
      continue
    }

    var next = str[index]
    var prefix = res[2]
    var name = res[3]
    var capture = res[4]
    var group = res[5]
    var modifier = res[6]
    var asterisk = res[7]

    // Push the current path onto the tokens.
    if (path) {
      tokens.push(path)
      path = ''
    }

    var partial = prefix != null && next != null && next !== prefix
    var repeat = modifier === '+' || modifier === '*'
    var optional = modifier === '?' || modifier === '*'
    var delimiter = res[2] || defaultDelimiter
    var pattern = capture || group

    tokens.push({
      name: name || key++,
      prefix: prefix || '',
      delimiter: delimiter,
      optional: optional,
      repeat: repeat,
      partial: partial,
      asterisk: !!asterisk,
      pattern: pattern ? escapeGroup(pattern) : (asterisk ? '.*' : '[^' + escapeString(delimiter) + ']+?')
    })
  }

  // Match any characters still remaining.
  if (index < str.length) {
    path += str.substr(index)
  }

  // If the path exists, push it onto the end.
  if (path) {
    tokens.push(path)
  }

  return tokens
}

/**
 * Compile a string to a template function for the path.
 *
 * @param  {string}             str
 * @param  {Object=}            options
 * @return {!function(Object=, Object=)}
 */
function compile (str, options) {
  return tokensToFunction(parse(str, options))
}

/**
 * Prettier encoding of URI path segments.
 *
 * @param  {string}
 * @return {string}
 */
function encodeURIComponentPretty (str) {
  return encodeURI(str).replace(/[\/?#]/g, function (c) {
    return '%' + c.charCodeAt(0).toString(16).toUpperCase()
  })
}

/**
 * Encode the asterisk parameter. Similar to `pretty`, but allows slashes.
 *
 * @param  {string}
 * @return {string}
 */
function encodeAsterisk (str) {
  return encodeURI(str).replace(/[?#]/g, function (c) {
    return '%' + c.charCodeAt(0).toString(16).toUpperCase()
  })
}

/**
 * Expose a method for transforming tokens into the path function.
 */
function tokensToFunction (tokens) {
  // Compile all the tokens into regexps.
  var matches = new Array(tokens.length)

  // Compile all the patterns before compilation.
  for (var i = 0; i < tokens.length; i++) {
    if (typeof tokens[i] === 'object') {
      matches[i] = new RegExp('^(?:' + tokens[i].pattern + ')$')
    }
  }

  return function (obj, opts) {
    var path = ''
    var data = obj || {}
    var options = opts || {}
    var encode = options.pretty ? encodeURIComponentPretty : encodeURIComponent

    for (var i = 0; i < tokens.length; i++) {
      var token = tokens[i]

      if (typeof token === 'string') {
        path += token

        continue
      }

      var value = data[token.name]
      var segment

      if (value == null) {
        if (token.optional) {
          // Prepend partial segment prefixes.
          if (token.partial) {
            path += token.prefix
          }

          continue
        } else {
          throw new TypeError('Expected "' + token.name + '" to be defined')
        }
      }

      if (isarray(value)) {
        if (!token.repeat) {
          throw new TypeError('Expected "' + token.name + '" to not repeat, but received `' + JSON.stringify(value) + '`')
        }

        if (value.length === 0) {
          if (token.optional) {
            continue
          } else {
            throw new TypeError('Expected "' + token.name + '" to not be empty')
          }
        }

        for (var j = 0; j < value.length; j++) {
          segment = encode(value[j])

          if (!matches[i].test(segment)) {
            throw new TypeError('Expected all "' + token.name + '" to match "' + token.pattern + '", but received `' + JSON.stringify(segment) + '`')
          }

          path += (j === 0 ? token.prefix : token.delimiter) + segment
        }

        continue
      }

      segment = token.asterisk ? encodeAsterisk(value) : encode(value)

      if (!matches[i].test(segment)) {
        throw new TypeError('Expected "' + token.name + '" to match "' + token.pattern + '", but received "' + segment + '"')
      }

      path += token.prefix + segment
    }

    return path
  }
}

/**
 * Escape a regular expression string.
 *
 * @param  {string} str
 * @return {string}
 */
function escapeString (str) {
  return str.replace(/([.+*?=^!:${}()[\]|\/\\])/g, '\\$1')
}

/**
 * Escape the capturing group by escaping special characters and meaning.
 *
 * @param  {string} group
 * @return {string}
 */
function escapeGroup (group) {
  return group.replace(/([=!:$\/()])/g, '\\$1')
}

/**
 * Attach the keys as a property of the regexp.
 *
 * @param  {!RegExp} re
 * @param  {Array}   keys
 * @return {!RegExp}
 */
function attachKeys (re, keys) {
  re.keys = keys
  return re
}

/**
 * Get the flags for a regexp from the options.
 *
 * @param  {Object} options
 * @return {string}
 */
function flags (options) {
  return options.sensitive ? '' : 'i'
}

/**
 * Pull out keys from a regexp.
 *
 * @param  {!RegExp} path
 * @param  {!Array}  keys
 * @return {!RegExp}
 */
function regexpToRegexp (path, keys) {
  // Use a negative lookahead to match only capturing groups.
  var groups = path.source.match(/\((?!\?)/g)

  if (groups) {
    for (var i = 0; i < groups.length; i++) {
      keys.push({
        name: i,
        prefix: null,
        delimiter: null,
        optional: false,
        repeat: false,
        partial: false,
        asterisk: false,
        pattern: null
      })
    }
  }

  return attachKeys(path, keys)
}

/**
 * Transform an array into a regexp.
 *
 * @param  {!Array}  path
 * @param  {Array}   keys
 * @param  {!Object} options
 * @return {!RegExp}
 */
function arrayToRegexp (path, keys, options) {
  var parts = []

  for (var i = 0; i < path.length; i++) {
    parts.push(pathToRegexp(path[i], keys, options).source)
  }

  var regexp = new RegExp('(?:' + parts.join('|') + ')', flags(options))

  return attachKeys(regexp, keys)
}

/**
 * Create a path regexp from string input.
 *
 * @param  {string}  path
 * @param  {!Array}  keys
 * @param  {!Object} options
 * @return {!RegExp}
 */
function stringToRegexp (path, keys, options) {
  return tokensToRegExp(parse(path, options), keys, options)
}

/**
 * Expose a function for taking tokens and returning a RegExp.
 *
 * @param  {!Array}          tokens
 * @param  {(Array|Object)=} keys
 * @param  {Object=}         options
 * @return {!RegExp}
 */
function tokensToRegExp (tokens, keys, options) {
  if (!isarray(keys)) {
    options = /** @type {!Object} */ (keys || options)
    keys = []
  }

  options = options || {}

  var strict = options.strict
  var end = options.end !== false
  var route = ''

  // Iterate over the tokens and create our regexp string.
  for (var i = 0; i < tokens.length; i++) {
    var token = tokens[i]

    if (typeof token === 'string') {
      route += escapeString(token)
    } else {
      var prefix = escapeString(token.prefix)
      var capture = '(?:' + token.pattern + ')'

      keys.push(token)

      if (token.repeat) {
        capture += '(?:' + prefix + capture + ')*'
      }

      if (token.optional) {
        if (!token.partial) {
          capture = '(?:' + prefix + '(' + capture + '))?'
        } else {
          capture = prefix + '(' + capture + ')?'
        }
      } else {
        capture = prefix + '(' + capture + ')'
      }

      route += capture
    }
  }

  var delimiter = escapeString(options.delimiter || '/')
  var endsWithDelimiter = route.slice(-delimiter.length) === delimiter

  // In non-strict mode we allow a slash at the end of match. If the path to
  // match already ends with a slash, we remove it for consistency. The slash
  // is valid at the end of a path match, not in the middle. This is important
  // in non-ending mode, where "/test/" shouldn't match "/test//route".
  if (!strict) {
    route = (endsWithDelimiter ? route.slice(0, -delimiter.length) : route) + '(?:' + delimiter + '(?=$))?'
  }

  if (end) {
    route += '$'
  } else {
    // In non-ending mode, we need the capturing groups to match as much as
    // possible by using a positive lookahead to the end or next path segment.
    route += strict && endsWithDelimiter ? '' : '(?=' + delimiter + '|$)'
  }

  return attachKeys(new RegExp('^' + route, flags(options)), keys)
}

/**
 * Normalize the given path string, returning a regular expression.
 *
 * An empty array can be passed in for the keys, which will hold the
 * placeholder key descriptions. For example, using `/user/:id`, `keys` will
 * contain `[{ name: 'id', delimiter: '/', optional: false, repeat: false }]`.
 *
 * @param  {(string|RegExp|Array)} path
 * @param  {(Array|Object)=}       keys
 * @param  {Object=}               options
 * @return {!RegExp}
 */
function pathToRegexp (path, keys, options) {
  if (!isarray(keys)) {
    options = /** @type {!Object} */ (keys || options)
    keys = []
  }

  options = options || {}

  if (path instanceof RegExp) {
    return regexpToRegexp(path, /** @type {!Array} */ (keys))
  }

  if (isarray(path)) {
    return arrayToRegexp(/** @type {!Array} */ (path), /** @type {!Array} */ (keys), options)
  }

  return stringToRegexp(/** @type {string} */ (path), /** @type {!Array} */ (keys), options)
}

},{"isarray":36}],39:[function(require,module,exports){
(function (global, factory) {
	typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
	typeof define === 'function' && define.amd ? define(factory) :
	(global.typeDetect = factory());
}(this, (function () { 'use strict';

/* !
 * type-detect
 * Copyright(c) 2013 jake luer <jake@alogicalparadox.com>
 * MIT Licensed
 */
var promiseExists = typeof Promise === 'function';

/* eslint-disable no-undef */
var globalObject = typeof self === 'object' ? self : global; // eslint-disable-line id-blacklist

var symbolExists = typeof Symbol !== 'undefined';
var mapExists = typeof Map !== 'undefined';
var setExists = typeof Set !== 'undefined';
var weakMapExists = typeof WeakMap !== 'undefined';
var weakSetExists = typeof WeakSet !== 'undefined';
var dataViewExists = typeof DataView !== 'undefined';
var symbolIteratorExists = symbolExists && typeof Symbol.iterator !== 'undefined';
var symbolToStringTagExists = symbolExists && typeof Symbol.toStringTag !== 'undefined';
var setEntriesExists = setExists && typeof Set.prototype.entries === 'function';
var mapEntriesExists = mapExists && typeof Map.prototype.entries === 'function';
var setIteratorPrototype = setEntriesExists && Object.getPrototypeOf(new Set().entries());
var mapIteratorPrototype = mapEntriesExists && Object.getPrototypeOf(new Map().entries());
var arrayIteratorExists = symbolIteratorExists && typeof Array.prototype[Symbol.iterator] === 'function';
var arrayIteratorPrototype = arrayIteratorExists && Object.getPrototypeOf([][Symbol.iterator]());
var stringIteratorExists = symbolIteratorExists && typeof String.prototype[Symbol.iterator] === 'function';
var stringIteratorPrototype = stringIteratorExists && Object.getPrototypeOf(''[Symbol.iterator]());
var toStringLeftSliceLength = 8;
var toStringRightSliceLength = -1;
/**
 * ### typeOf (obj)
 *
 * Uses `Object.prototype.toString` to determine the type of an object,
 * normalising behaviour across engine versions & well optimised.
 *
 * @param {Mixed} object
 * @return {String} object type
 * @api public
 */
function typeDetect(obj) {
  /* ! Speed optimisation
   * Pre:
   *   string literal     x 3,039,035 ops/sec ±1.62% (78 runs sampled)
   *   boolean literal    x 1,424,138 ops/sec ±4.54% (75 runs sampled)
   *   number literal     x 1,653,153 ops/sec ±1.91% (82 runs sampled)
   *   undefined          x 9,978,660 ops/sec ±1.92% (75 runs sampled)
   *   function           x 2,556,769 ops/sec ±1.73% (77 runs sampled)
   * Post:
   *   string literal     x 38,564,796 ops/sec ±1.15% (79 runs sampled)
   *   boolean literal    x 31,148,940 ops/sec ±1.10% (79 runs sampled)
   *   number literal     x 32,679,330 ops/sec ±1.90% (78 runs sampled)
   *   undefined          x 32,363,368 ops/sec ±1.07% (82 runs sampled)
   *   function           x 31,296,870 ops/sec ±0.96% (83 runs sampled)
   */
  var typeofObj = typeof obj;
  if (typeofObj !== 'object') {
    return typeofObj;
  }

  /* ! Speed optimisation
   * Pre:
   *   null               x 28,645,765 ops/sec ±1.17% (82 runs sampled)
   * Post:
   *   null               x 36,428,962 ops/sec ±1.37% (84 runs sampled)
   */
  if (obj === null) {
    return 'null';
  }

  /* ! Spec Conformance
   * Test: `Object.prototype.toString.call(window)``
   *  - Node === "[object global]"
   *  - Chrome === "[object global]"
   *  - Firefox === "[object Window]"
   *  - PhantomJS === "[object Window]"
   *  - Safari === "[object Window]"
   *  - IE 11 === "[object Window]"
   *  - IE Edge === "[object Window]"
   * Test: `Object.prototype.toString.call(this)``
   *  - Chrome Worker === "[object global]"
   *  - Firefox Worker === "[object DedicatedWorkerGlobalScope]"
   *  - Safari Worker === "[object DedicatedWorkerGlobalScope]"
   *  - IE 11 Worker === "[object WorkerGlobalScope]"
   *  - IE Edge Worker === "[object WorkerGlobalScope]"
   */
  if (obj === globalObject) {
    return 'global';
  }

  /* ! Speed optimisation
   * Pre:
   *   array literal      x 2,888,352 ops/sec ±0.67% (82 runs sampled)
   * Post:
   *   array literal      x 22,479,650 ops/sec ±0.96% (81 runs sampled)
   */
  if (
    Array.isArray(obj) &&
    (symbolToStringTagExists === false || !(Symbol.toStringTag in obj))
  ) {
    return 'Array';
  }

  // Not caching existence of `window` and related properties due to potential
  // for `window` to be unset before tests in quasi-browser environments.
  if (typeof window === 'object' && window !== null) {
    /* ! Spec Conformance
     * (https://html.spec.whatwg.org/multipage/browsers.html#location)
     * WhatWG HTML$7.7.3 - The `Location` interface
     * Test: `Object.prototype.toString.call(window.location)``
     *  - IE <=11 === "[object Object]"
     *  - IE Edge <=13 === "[object Object]"
     */
    if (typeof window.location === 'object' && obj === window.location) {
      return 'Location';
    }

    /* ! Spec Conformance
     * (https://html.spec.whatwg.org/#document)
     * WhatWG HTML$3.1.1 - The `Document` object
     * Note: Most browsers currently adher to the W3C DOM Level 2 spec
     *       (https://www.w3.org/TR/DOM-Level-2-HTML/html.html#ID-26809268)
     *       which suggests that browsers should use HTMLTableCellElement for
     *       both TD and TH elements. WhatWG separates these.
     *       WhatWG HTML states:
     *         > For historical reasons, Window objects must also have a
     *         > writable, configurable, non-enumerable property named
     *         > HTMLDocument whose value is the Document interface object.
     * Test: `Object.prototype.toString.call(document)``
     *  - Chrome === "[object HTMLDocument]"
     *  - Firefox === "[object HTMLDocument]"
     *  - Safari === "[object HTMLDocument]"
     *  - IE <=10 === "[object Document]"
     *  - IE 11 === "[object HTMLDocument]"
     *  - IE Edge <=13 === "[object HTMLDocument]"
     */
    if (typeof window.document === 'object' && obj === window.document) {
      return 'Document';
    }

    if (typeof window.navigator === 'object') {
      /* ! Spec Conformance
       * (https://html.spec.whatwg.org/multipage/webappapis.html#mimetypearray)
       * WhatWG HTML$8.6.1.5 - Plugins - Interface MimeTypeArray
       * Test: `Object.prototype.toString.call(navigator.mimeTypes)``
       *  - IE <=10 === "[object MSMimeTypesCollection]"
       */
      if (typeof window.navigator.mimeTypes === 'object' &&
          obj === window.navigator.mimeTypes) {
        return 'MimeTypeArray';
      }

      /* ! Spec Conformance
       * (https://html.spec.whatwg.org/multipage/webappapis.html#pluginarray)
       * WhatWG HTML$8.6.1.5 - Plugins - Interface PluginArray
       * Test: `Object.prototype.toString.call(navigator.plugins)``
       *  - IE <=10 === "[object MSPluginsCollection]"
       */
      if (typeof window.navigator.plugins === 'object' &&
          obj === window.navigator.plugins) {
        return 'PluginArray';
      }
    }

    if ((typeof window.HTMLElement === 'function' ||
        typeof window.HTMLElement === 'object') &&
        obj instanceof window.HTMLElement) {
      /* ! Spec Conformance
      * (https://html.spec.whatwg.org/multipage/webappapis.html#pluginarray)
      * WhatWG HTML$4.4.4 - The `blockquote` element - Interface `HTMLQuoteElement`
      * Test: `Object.prototype.toString.call(document.createElement('blockquote'))``
      *  - IE <=10 === "[object HTMLBlockElement]"
      */
      if (obj.tagName === 'BLOCKQUOTE') {
        return 'HTMLQuoteElement';
      }

      /* ! Spec Conformance
       * (https://html.spec.whatwg.org/#htmltabledatacellelement)
       * WhatWG HTML$4.9.9 - The `td` element - Interface `HTMLTableDataCellElement`
       * Note: Most browsers currently adher to the W3C DOM Level 2 spec
       *       (https://www.w3.org/TR/DOM-Level-2-HTML/html.html#ID-82915075)
       *       which suggests that browsers should use HTMLTableCellElement for
       *       both TD and TH elements. WhatWG separates these.
       * Test: Object.prototype.toString.call(document.createElement('td'))
       *  - Chrome === "[object HTMLTableCellElement]"
       *  - Firefox === "[object HTMLTableCellElement]"
       *  - Safari === "[object HTMLTableCellElement]"
       */
      if (obj.tagName === 'TD') {
        return 'HTMLTableDataCellElement';
      }

      /* ! Spec Conformance
       * (https://html.spec.whatwg.org/#htmltableheadercellelement)
       * WhatWG HTML$4.9.9 - The `td` element - Interface `HTMLTableHeaderCellElement`
       * Note: Most browsers currently adher to the W3C DOM Level 2 spec
       *       (https://www.w3.org/TR/DOM-Level-2-HTML/html.html#ID-82915075)
       *       which suggests that browsers should use HTMLTableCellElement for
       *       both TD and TH elements. WhatWG separates these.
       * Test: Object.prototype.toString.call(document.createElement('th'))
       *  - Chrome === "[object HTMLTableCellElement]"
       *  - Firefox === "[object HTMLTableCellElement]"
       *  - Safari === "[object HTMLTableCellElement]"
       */
      if (obj.tagName === 'TH') {
        return 'HTMLTableHeaderCellElement';
      }
    }
  }

  /* ! Speed optimisation
  * Pre:
  *   Float64Array       x 625,644 ops/sec ±1.58% (80 runs sampled)
  *   Float32Array       x 1,279,852 ops/sec ±2.91% (77 runs sampled)
  *   Uint32Array        x 1,178,185 ops/sec ±1.95% (83 runs sampled)
  *   Uint16Array        x 1,008,380 ops/sec ±2.25% (80 runs sampled)
  *   Uint8Array         x 1,128,040 ops/sec ±2.11% (81 runs sampled)
  *   Int32Array         x 1,170,119 ops/sec ±2.88% (80 runs sampled)
  *   Int16Array         x 1,176,348 ops/sec ±5.79% (86 runs sampled)
  *   Int8Array          x 1,058,707 ops/sec ±4.94% (77 runs sampled)
  *   Uint8ClampedArray  x 1,110,633 ops/sec ±4.20% (80 runs sampled)
  * Post:
  *   Float64Array       x 7,105,671 ops/sec ±13.47% (64 runs sampled)
  *   Float32Array       x 5,887,912 ops/sec ±1.46% (82 runs sampled)
  *   Uint32Array        x 6,491,661 ops/sec ±1.76% (79 runs sampled)
  *   Uint16Array        x 6,559,795 ops/sec ±1.67% (82 runs sampled)
  *   Uint8Array         x 6,463,966 ops/sec ±1.43% (85 runs sampled)
  *   Int32Array         x 5,641,841 ops/sec ±3.49% (81 runs sampled)
  *   Int16Array         x 6,583,511 ops/sec ±1.98% (80 runs sampled)
  *   Int8Array          x 6,606,078 ops/sec ±1.74% (81 runs sampled)
  *   Uint8ClampedArray  x 6,602,224 ops/sec ±1.77% (83 runs sampled)
  */
  var stringTag = (symbolToStringTagExists && obj[Symbol.toStringTag]);
  if (typeof stringTag === 'string') {
    return stringTag;
  }

  var objPrototype = Object.getPrototypeOf(obj);
  /* ! Speed optimisation
  * Pre:
  *   regex literal      x 1,772,385 ops/sec ±1.85% (77 runs sampled)
  *   regex constructor  x 2,143,634 ops/sec ±2.46% (78 runs sampled)
  * Post:
  *   regex literal      x 3,928,009 ops/sec ±0.65% (78 runs sampled)
  *   regex constructor  x 3,931,108 ops/sec ±0.58% (84 runs sampled)
  */
  if (objPrototype === RegExp.prototype) {
    return 'RegExp';
  }

  /* ! Speed optimisation
  * Pre:
  *   date               x 2,130,074 ops/sec ±4.42% (68 runs sampled)
  * Post:
  *   date               x 3,953,779 ops/sec ±1.35% (77 runs sampled)
  */
  if (objPrototype === Date.prototype) {
    return 'Date';
  }

  /* ! Spec Conformance
   * (http://www.ecma-international.org/ecma-262/6.0/index.html#sec-promise.prototype-@@tostringtag)
   * ES6$25.4.5.4 - Promise.prototype[@@toStringTag] should be "Promise":
   * Test: `Object.prototype.toString.call(Promise.resolve())``
   *  - Chrome <=47 === "[object Object]"
   *  - Edge <=20 === "[object Object]"
   *  - Firefox 29-Latest === "[object Promise]"
   *  - Safari 7.1-Latest === "[object Promise]"
   */
  if (promiseExists && objPrototype === Promise.prototype) {
    return 'Promise';
  }

  /* ! Speed optimisation
  * Pre:
  *   set                x 2,222,186 ops/sec ±1.31% (82 runs sampled)
  * Post:
  *   set                x 4,545,879 ops/sec ±1.13% (83 runs sampled)
  */
  if (setExists && objPrototype === Set.prototype) {
    return 'Set';
  }

  /* ! Speed optimisation
  * Pre:
  *   map                x 2,396,842 ops/sec ±1.59% (81 runs sampled)
  * Post:
  *   map                x 4,183,945 ops/sec ±6.59% (82 runs sampled)
  */
  if (mapExists && objPrototype === Map.prototype) {
    return 'Map';
  }

  /* ! Speed optimisation
  * Pre:
  *   weakset            x 1,323,220 ops/sec ±2.17% (76 runs sampled)
  * Post:
  *   weakset            x 4,237,510 ops/sec ±2.01% (77 runs sampled)
  */
  if (weakSetExists && objPrototype === WeakSet.prototype) {
    return 'WeakSet';
  }

  /* ! Speed optimisation
  * Pre:
  *   weakmap            x 1,500,260 ops/sec ±2.02% (78 runs sampled)
  * Post:
  *   weakmap            x 3,881,384 ops/sec ±1.45% (82 runs sampled)
  */
  if (weakMapExists && objPrototype === WeakMap.prototype) {
    return 'WeakMap';
  }

  /* ! Spec Conformance
   * (http://www.ecma-international.org/ecma-262/6.0/index.html#sec-dataview.prototype-@@tostringtag)
   * ES6$24.2.4.21 - DataView.prototype[@@toStringTag] should be "DataView":
   * Test: `Object.prototype.toString.call(new DataView(new ArrayBuffer(1)))``
   *  - Edge <=13 === "[object Object]"
   */
  if (dataViewExists && objPrototype === DataView.prototype) {
    return 'DataView';
  }

  /* ! Spec Conformance
   * (http://www.ecma-international.org/ecma-262/6.0/index.html#sec-%mapiteratorprototype%-@@tostringtag)
   * ES6$23.1.5.2.2 - %MapIteratorPrototype%[@@toStringTag] should be "Map Iterator":
   * Test: `Object.prototype.toString.call(new Map().entries())``
   *  - Edge <=13 === "[object Object]"
   */
  if (mapExists && objPrototype === mapIteratorPrototype) {
    return 'Map Iterator';
  }

  /* ! Spec Conformance
   * (http://www.ecma-international.org/ecma-262/6.0/index.html#sec-%setiteratorprototype%-@@tostringtag)
   * ES6$23.2.5.2.2 - %SetIteratorPrototype%[@@toStringTag] should be "Set Iterator":
   * Test: `Object.prototype.toString.call(new Set().entries())``
   *  - Edge <=13 === "[object Object]"
   */
  if (setExists && objPrototype === setIteratorPrototype) {
    return 'Set Iterator';
  }

  /* ! Spec Conformance
   * (http://www.ecma-international.org/ecma-262/6.0/index.html#sec-%arrayiteratorprototype%-@@tostringtag)
   * ES6$22.1.5.2.2 - %ArrayIteratorPrototype%[@@toStringTag] should be "Array Iterator":
   * Test: `Object.prototype.toString.call([][Symbol.iterator]())``
   *  - Edge <=13 === "[object Object]"
   */
  if (arrayIteratorExists && objPrototype === arrayIteratorPrototype) {
    return 'Array Iterator';
  }

  /* ! Spec Conformance
   * (http://www.ecma-international.org/ecma-262/6.0/index.html#sec-%stringiteratorprototype%-@@tostringtag)
   * ES6$21.1.5.2.2 - %StringIteratorPrototype%[@@toStringTag] should be "String Iterator":
   * Test: `Object.prototype.toString.call(''[Symbol.iterator]())``
   *  - Edge <=13 === "[object Object]"
   */
  if (stringIteratorExists && objPrototype === stringIteratorPrototype) {
    return 'String Iterator';
  }

  /* ! Speed optimisation
  * Pre:
  *   object from null   x 2,424,320 ops/sec ±1.67% (76 runs sampled)
  * Post:
  *   object from null   x 5,838,000 ops/sec ±0.99% (84 runs sampled)
  */
  if (objPrototype === null) {
    return 'Object';
  }

  return Object
    .prototype
    .toString
    .call(obj)
    .slice(toStringLeftSliceLength, toStringRightSliceLength);
}

return typeDetect;

})));

},{}],40:[function(require,module,exports){
module.exports = function isBuffer(arg) {
  return arg && typeof arg === 'object'
    && typeof arg.copy === 'function'
    && typeof arg.fill === 'function'
    && typeof arg.readUInt8 === 'function';
}
},{}],41:[function(require,module,exports){
// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.

var formatRegExp = /%[sdj%]/g;
exports.format = function(f) {
  if (!isString(f)) {
    var objects = [];
    for (var i = 0; i < arguments.length; i++) {
      objects.push(inspect(arguments[i]));
    }
    return objects.join(' ');
  }

  var i = 1;
  var args = arguments;
  var len = args.length;
  var str = String(f).replace(formatRegExp, function(x) {
    if (x === '%%') return '%';
    if (i >= len) return x;
    switch (x) {
      case '%s': return String(args[i++]);
      case '%d': return Number(args[i++]);
      case '%j':
        try {
          return JSON.stringify(args[i++]);
        } catch (_) {
          return '[Circular]';
        }
      default:
        return x;
    }
  });
  for (var x = args[i]; i < len; x = args[++i]) {
    if (isNull(x) || !isObject(x)) {
      str += ' ' + x;
    } else {
      str += ' ' + inspect(x);
    }
  }
  return str;
};


// Mark that a method should not be used.
// Returns a modified function which warns once by default.
// If --no-deprecation is set, then it is a no-op.
exports.deprecate = function(fn, msg) {
  // Allow for deprecating things in the process of starting up.
  if (isUndefined(global.process)) {
    return function() {
      return exports.deprecate(fn, msg).apply(this, arguments);
    };
  }

  if (process.noDeprecation === true) {
    return fn;
  }

  var warned = false;
  function deprecated() {
    if (!warned) {
      if (process.throwDeprecation) {
        throw new Error(msg);
      } else if (process.traceDeprecation) {
        console.trace(msg);
      } else {
        console.error(msg);
      }
      warned = true;
    }
    return fn.apply(this, arguments);
  }

  return deprecated;
};


var debugs = {};
var debugEnviron;
exports.debuglog = function(set) {
  if (isUndefined(debugEnviron))
    debugEnviron = process.env.NODE_DEBUG || '';
  set = set.toUpperCase();
  if (!debugs[set]) {
    if (new RegExp('\\b' + set + '\\b', 'i').test(debugEnviron)) {
      var pid = process.pid;
      debugs[set] = function() {
        var msg = exports.format.apply(exports, arguments);
        console.error('%s %d: %s', set, pid, msg);
      };
    } else {
      debugs[set] = function() {};
    }
  }
  return debugs[set];
};


/**
 * Echos the value of a value. Trys to print the value out
 * in the best way possible given the different types.
 *
 * @param {Object} obj The object to print out.
 * @param {Object} opts Optional options object that alters the output.
 */
/* legacy: obj, showHidden, depth, colors*/
function inspect(obj, opts) {
  // default options
  var ctx = {
    seen: [],
    stylize: stylizeNoColor
  };
  // legacy...
  if (arguments.length >= 3) ctx.depth = arguments[2];
  if (arguments.length >= 4) ctx.colors = arguments[3];
  if (isBoolean(opts)) {
    // legacy...
    ctx.showHidden = opts;
  } else if (opts) {
    // got an "options" object
    exports._extend(ctx, opts);
  }
  // set default options
  if (isUndefined(ctx.showHidden)) ctx.showHidden = false;
  if (isUndefined(ctx.depth)) ctx.depth = 2;
  if (isUndefined(ctx.colors)) ctx.colors = false;
  if (isUndefined(ctx.customInspect)) ctx.customInspect = true;
  if (ctx.colors) ctx.stylize = stylizeWithColor;
  return formatValue(ctx, obj, ctx.depth);
}
exports.inspect = inspect;


// http://en.wikipedia.org/wiki/ANSI_escape_code#graphics
inspect.colors = {
  'bold' : [1, 22],
  'italic' : [3, 23],
  'underline' : [4, 24],
  'inverse' : [7, 27],
  'white' : [37, 39],
  'grey' : [90, 39],
  'black' : [30, 39],
  'blue' : [34, 39],
  'cyan' : [36, 39],
  'green' : [32, 39],
  'magenta' : [35, 39],
  'red' : [31, 39],
  'yellow' : [33, 39]
};

// Don't use 'blue' not visible on cmd.exe
inspect.styles = {
  'special': 'cyan',
  'number': 'yellow',
  'boolean': 'yellow',
  'undefined': 'grey',
  'null': 'bold',
  'string': 'green',
  'date': 'magenta',
  // "name": intentionally not styling
  'regexp': 'red'
};


function stylizeWithColor(str, styleType) {
  var style = inspect.styles[styleType];

  if (style) {
    return '\u001b[' + inspect.colors[style][0] + 'm' + str +
           '\u001b[' + inspect.colors[style][1] + 'm';
  } else {
    return str;
  }
}


function stylizeNoColor(str, styleType) {
  return str;
}


function arrayToHash(array) {
  var hash = {};

  array.forEach(function(val, idx) {
    hash[val] = true;
  });

  return hash;
}


function formatValue(ctx, value, recurseTimes) {
  // Provide a hook for user-specified inspect functions.
  // Check that value is an object with an inspect function on it
  if (ctx.customInspect &&
      value &&
      isFunction(value.inspect) &&
      // Filter out the util module, it's inspect function is special
      value.inspect !== exports.inspect &&
      // Also filter out any prototype objects using the circular check.
      !(value.constructor && value.constructor.prototype === value)) {
    var ret = value.inspect(recurseTimes, ctx);
    if (!isString(ret)) {
      ret = formatValue(ctx, ret, recurseTimes);
    }
    return ret;
  }

  // Primitive types cannot have properties
  var primitive = formatPrimitive(ctx, value);
  if (primitive) {
    return primitive;
  }

  // Look up the keys of the object.
  var keys = Object.keys(value);
  var visibleKeys = arrayToHash(keys);

  if (ctx.showHidden) {
    keys = Object.getOwnPropertyNames(value);
  }

  // IE doesn't make error fields non-enumerable
  // http://msdn.microsoft.com/en-us/library/ie/dww52sbt(v=vs.94).aspx
  if (isError(value)
      && (keys.indexOf('message') >= 0 || keys.indexOf('description') >= 0)) {
    return formatError(value);
  }

  // Some type of object without properties can be shortcutted.
  if (keys.length === 0) {
    if (isFunction(value)) {
      var name = value.name ? ': ' + value.name : '';
      return ctx.stylize('[Function' + name + ']', 'special');
    }
    if (isRegExp(value)) {
      return ctx.stylize(RegExp.prototype.toString.call(value), 'regexp');
    }
    if (isDate(value)) {
      return ctx.stylize(Date.prototype.toString.call(value), 'date');
    }
    if (isError(value)) {
      return formatError(value);
    }
  }

  var base = '', array = false, braces = ['{', '}'];

  // Make Array say that they are Array
  if (isArray(value)) {
    array = true;
    braces = ['[', ']'];
  }

  // Make functions say that they are functions
  if (isFunction(value)) {
    var n = value.name ? ': ' + value.name : '';
    base = ' [Function' + n + ']';
  }

  // Make RegExps say that they are RegExps
  if (isRegExp(value)) {
    base = ' ' + RegExp.prototype.toString.call(value);
  }

  // Make dates with properties first say the date
  if (isDate(value)) {
    base = ' ' + Date.prototype.toUTCString.call(value);
  }

  // Make error with message first say the error
  if (isError(value)) {
    base = ' ' + formatError(value);
  }

  if (keys.length === 0 && (!array || value.length == 0)) {
    return braces[0] + base + braces[1];
  }

  if (recurseTimes < 0) {
    if (isRegExp(value)) {
      return ctx.stylize(RegExp.prototype.toString.call(value), 'regexp');
    } else {
      return ctx.stylize('[Object]', 'special');
    }
  }

  ctx.seen.push(value);

  var output;
  if (array) {
    output = formatArray(ctx, value, recurseTimes, visibleKeys, keys);
  } else {
    output = keys.map(function(key) {
      return formatProperty(ctx, value, recurseTimes, visibleKeys, key, array);
    });
  }

  ctx.seen.pop();

  return reduceToSingleString(output, base, braces);
}


function formatPrimitive(ctx, value) {
  if (isUndefined(value))
    return ctx.stylize('undefined', 'undefined');
  if (isString(value)) {
    var simple = '\'' + JSON.stringify(value).replace(/^"|"$/g, '')
                                             .replace(/'/g, "\\'")
                                             .replace(/\\"/g, '"') + '\'';
    return ctx.stylize(simple, 'string');
  }
  if (isNumber(value))
    return ctx.stylize('' + value, 'number');
  if (isBoolean(value))
    return ctx.stylize('' + value, 'boolean');
  // For some reason typeof null is "object", so special case here.
  if (isNull(value))
    return ctx.stylize('null', 'null');
}


function formatError(value) {
  return '[' + Error.prototype.toString.call(value) + ']';
}


function formatArray(ctx, value, recurseTimes, visibleKeys, keys) {
  var output = [];
  for (var i = 0, l = value.length; i < l; ++i) {
    if (hasOwnProperty(value, String(i))) {
      output.push(formatProperty(ctx, value, recurseTimes, visibleKeys,
          String(i), true));
    } else {
      output.push('');
    }
  }
  keys.forEach(function(key) {
    if (!key.match(/^\d+$/)) {
      output.push(formatProperty(ctx, value, recurseTimes, visibleKeys,
          key, true));
    }
  });
  return output;
}


function formatProperty(ctx, value, recurseTimes, visibleKeys, key, array) {
  var name, str, desc;
  desc = Object.getOwnPropertyDescriptor(value, key) || { value: value[key] };
  if (desc.get) {
    if (desc.set) {
      str = ctx.stylize('[Getter/Setter]', 'special');
    } else {
      str = ctx.stylize('[Getter]', 'special');
    }
  } else {
    if (desc.set) {
      str = ctx.stylize('[Setter]', 'special');
    }
  }
  if (!hasOwnProperty(visibleKeys, key)) {
    name = '[' + key + ']';
  }
  if (!str) {
    if (ctx.seen.indexOf(desc.value) < 0) {
      if (isNull(recurseTimes)) {
        str = formatValue(ctx, desc.value, null);
      } else {
        str = formatValue(ctx, desc.value, recurseTimes - 1);
      }
      if (str.indexOf('\n') > -1) {
        if (array) {
          str = str.split('\n').map(function(line) {
            return '  ' + line;
          }).join('\n').substr(2);
        } else {
          str = '\n' + str.split('\n').map(function(line) {
            return '   ' + line;
          }).join('\n');
        }
      }
    } else {
      str = ctx.stylize('[Circular]', 'special');
    }
  }
  if (isUndefined(name)) {
    if (array && key.match(/^\d+$/)) {
      return str;
    }
    name = JSON.stringify('' + key);
    if (name.match(/^"([a-zA-Z_][a-zA-Z_0-9]*)"$/)) {
      name = name.substr(1, name.length - 2);
      name = ctx.stylize(name, 'name');
    } else {
      name = name.replace(/'/g, "\\'")
                 .replace(/\\"/g, '"')
                 .replace(/(^"|"$)/g, "'");
      name = ctx.stylize(name, 'string');
    }
  }

  return name + ': ' + str;
}


function reduceToSingleString(output, base, braces) {
  var numLinesEst = 0;
  var length = output.reduce(function(prev, cur) {
    numLinesEst++;
    if (cur.indexOf('\n') >= 0) numLinesEst++;
    return prev + cur.replace(/\u001b\[\d\d?m/g, '').length + 1;
  }, 0);

  if (length > 60) {
    return braces[0] +
           (base === '' ? '' : base + '\n ') +
           ' ' +
           output.join(',\n  ') +
           ' ' +
           braces[1];
  }

  return braces[0] + base + ' ' + output.join(', ') + ' ' + braces[1];
}


// NOTE: These type checking functions intentionally don't use `instanceof`
// because it is fragile and can be easily faked with `Object.create()`.
function isArray(ar) {
  return Array.isArray(ar);
}
exports.isArray = isArray;

function isBoolean(arg) {
  return typeof arg === 'boolean';
}
exports.isBoolean = isBoolean;

function isNull(arg) {
  return arg === null;
}
exports.isNull = isNull;

function isNullOrUndefined(arg) {
  return arg == null;
}
exports.isNullOrUndefined = isNullOrUndefined;

function isNumber(arg) {
  return typeof arg === 'number';
}
exports.isNumber = isNumber;

function isString(arg) {
  return typeof arg === 'string';
}
exports.isString = isString;

function isSymbol(arg) {
  return typeof arg === 'symbol';
}
exports.isSymbol = isSymbol;

function isUndefined(arg) {
  return arg === void 0;
}
exports.isUndefined = isUndefined;

function isRegExp(re) {
  return isObject(re) && objectToString(re) === '[object RegExp]';
}
exports.isRegExp = isRegExp;

function isObject(arg) {
  return typeof arg === 'object' && arg !== null;
}
exports.isObject = isObject;

function isDate(d) {
  return isObject(d) && objectToString(d) === '[object Date]';
}
exports.isDate = isDate;

function isError(e) {
  return isObject(e) &&
      (objectToString(e) === '[object Error]' || e instanceof Error);
}
exports.isError = isError;

function isFunction(arg) {
  return typeof arg === 'function';
}
exports.isFunction = isFunction;

function isPrimitive(arg) {
  return arg === null ||
         typeof arg === 'boolean' ||
         typeof arg === 'number' ||
         typeof arg === 'string' ||
         typeof arg === 'symbol' ||  // ES6 symbol
         typeof arg === 'undefined';
}
exports.isPrimitive = isPrimitive;

exports.isBuffer = require('./support/isBuffer');

function objectToString(o) {
  return Object.prototype.toString.call(o);
}


function pad(n) {
  return n < 10 ? '0' + n.toString(10) : n.toString(10);
}


var months = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep',
              'Oct', 'Nov', 'Dec'];

// 26 Feb 16:19:34
function timestamp() {
  var d = new Date();
  var time = [pad(d.getHours()),
              pad(d.getMinutes()),
              pad(d.getSeconds())].join(':');
  return [d.getDate(), months[d.getMonth()], time].join(' ');
}


// log is just a thin wrapper to console.log that prepends a timestamp
exports.log = function() {
  console.log('%s - %s', timestamp(), exports.format.apply(exports, arguments));
};


/**
 * Inherit the prototype methods from one constructor into another.
 *
 * The Function.prototype.inherits from lang.js rewritten as a standalone
 * function (not on Function.prototype). NOTE: If this file is to be loaded
 * during bootstrapping this function needs to be rewritten using some native
 * functions as prototype setup using normal JavaScript does not work as
 * expected during bootstrapping (see mirror.js in r114903).
 *
 * @param {function} ctor Constructor function which needs to inherit the
 *     prototype.
 * @param {function} superCtor Constructor function to inherit prototype from.
 */
exports.inherits = require('inherits');

exports._extend = function(origin, add) {
  // Don't do anything if add isn't an object
  if (!add || !isObject(add)) return origin;

  var keys = Object.keys(add);
  var i = keys.length;
  while (i--) {
    origin[keys[i]] = add[keys[i]];
  }
  return origin;
};

function hasOwnProperty(obj, prop) {
  return Object.prototype.hasOwnProperty.call(obj, prop);
}

},{"./support/isBuffer":40,"inherits":35}]},{},[12])(12)
});