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• [FILE] blob.js
• [FILE] index.js

Просмотр файла: index.js

"use strict";

var GlobalTextEncoder = typeof TextEncoder !== "undefined"
    ? TextEncoder
    : require("@sinonjs/text-encoding").TextEncoder;

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) {
                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("Refused to set unsafe header \"" + header + "\"");
            }

            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;
            }

            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
    };
}

var globalObject = typeof global !== "undefined" ? global : window;
module.exports = extend(fakeXMLHttpRequestFor(globalObject), {
    fakeXMLHttpRequestFor: fakeXMLHttpRequestFor
});

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