bigDataApp/node_modules/highcharts/modules/offline-exporting.src.js

/**
 * @license Highcharts JS v9.0.1 (2021-02-16)
 *
 * Client side exporting module
 *
 * (c) 2015-2021 Torstein Honsi / Oystein Moseng
 *
 * License: www.highcharts.com/license
 */
'use strict';
(function (factory) {
    if (typeof module === 'object' && module.exports) {
        factory['default'] = factory;
        module.exports = factory;
    } else if (typeof define === 'function' && define.amd) {
        define('highcharts/modules/offline-exporting', ['highcharts', 'highcharts/modules/exporting'], function (Highcharts) {
            factory(Highcharts);
            factory.Highcharts = Highcharts;
            return factory;
        });
    } else {
        factory(typeof Highcharts !== 'undefined' ? Highcharts : undefined);
    }
}(function (Highcharts) {
    var _modules = Highcharts ? Highcharts._modules : {};
    function _registerModule(obj, path, args, fn) {
        if (!obj.hasOwnProperty(path)) {
            obj[path] = fn.apply(null, args);
        }
    }
    _registerModule(_modules, 'Extensions/DownloadURL.js', [_modules['Core/Globals.js']], function (Highcharts) {
        /* *
         *
         *  (c) 2015-2021 Oystein Moseng
         *
         *  License: www.highcharts.com/license
         *
         *  !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
         *
         *  Mixin for downloading content in the browser
         *
         * */
        var win = Highcharts.win,
            doc = win.document,
            domurl = win.URL || win.webkitURL || win;
        /**
         * Convert base64 dataURL to Blob if supported, otherwise returns undefined.
         * @private
         * @function Highcharts.dataURLtoBlob
         * @param {string} dataURL
         *        URL to convert
         * @return {string|undefined}
         *         Blob
         */
        var dataURLtoBlob = Highcharts.dataURLtoBlob = function (dataURL) {
                var parts = dataURL
                    .replace(/filename=.*;/, '')
                    .match(/data:([^;]*)(;base64)?,([0-9A-Za-z+/]+)/);
            if (parts &&
                parts.length > 3 &&
                win.atob &&
                win.ArrayBuffer &&
                win.Uint8Array &&
                win.Blob &&
                domurl.createObjectURL) {
                // Try to convert data URL to Blob
                var binStr = win.atob(parts[3]),
                    buf = new win.ArrayBuffer(binStr.length),
                    binary = new win.Uint8Array(buf);
                for (var i = 0; i < binary.length; ++i) {
                    binary[i] = binStr.charCodeAt(i);
                }
                var blob = new win.Blob([binary], { 'type': parts[1] });
                return domurl.createObjectURL(blob);
            }
        };
        /**
         * Download a data URL in the browser. Can also take a blob as first param.
         *
         * @private
         * @function Highcharts.downloadURL
         * @param {string|global.URL} dataURL
         *        The dataURL/Blob to download
         * @param {string} filename
         *        The name of the resulting file (w/extension)
         * @return {void}
         */
        var downloadURL = Highcharts.downloadURL = function (dataURL,
            filename) {
                var nav = win.navigator;
            var a = doc.createElement('a'),
                windowRef;
            // IE specific blob implementation
            // Don't use for normal dataURLs
            if (typeof dataURL !== 'string' &&
                !(dataURL instanceof String) &&
                nav.msSaveOrOpenBlob) {
                nav.msSaveOrOpenBlob(dataURL, filename);
                return;
            }
            dataURL = "" + dataURL;
            // Some browsers have limitations for data URL lengths. Try to convert to
            // Blob or fall back. Edge always needs that blob.
            var isEdgeBrowser = /Edge\/\d+/.test(nav.userAgent);
            if (isEdgeBrowser || dataURL.length > 2000000) {
                dataURL = dataURLtoBlob(dataURL) || '';
                if (!dataURL) {
                    throw new Error('Failed to convert to blob');
                }
            }
            // Try HTML5 download attr if supported
            if (typeof a.download !== 'undefined') {
                a.href = dataURL;
                a.download = filename; // HTML5 download attribute
                doc.body.appendChild(a);
                a.click();
                doc.body.removeChild(a);
            }
            else {
                // No download attr, just opening data URI
                try {
                    windowRef = win.open(dataURL, 'chart');
                    if (typeof windowRef === 'undefined' || windowRef === null) {
                        throw new Error('Failed to open window');
                    }
                }
                catch (e) {
                    // window.open failed, trying location.href
                    win.location.href = dataURL;
                }
            }
        };
        var exports = {
                dataURLtoBlob: dataURLtoBlob,
                downloadURL: downloadURL
            };

        return exports;
    });
    _registerModule(_modules, 'Extensions/OfflineExporting.js', [_modules['Core/Chart/Chart.js'], _modules['Core/Globals.js'], _modules['Core/Renderer/SVG/SVGRenderer.js'], _modules['Core/Utilities.js'], _modules['Extensions/DownloadURL.js']], function (Chart, H, SVGRenderer, U, DownloadURL) {
        /* *
         *
         *  Client side exporting module
         *
         *  (c) 2015 Torstein Honsi / Oystein Moseng
         *
         *  License: www.highcharts.com/license
         *
         *  !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
         *
         * */
        var win = H.win,
            doc = H.doc;
        var addEvent = U.addEvent,
            error = U.error,
            extend = U.extend,
            fireEvent = U.fireEvent,
            getOptions = U.getOptions,
            merge = U.merge;
        var downloadURL = DownloadURL.downloadURL;
        var domurl = win.URL || win.webkitURL || win, 
            // Milliseconds to defer image load event handlers to offset IE bug
            loadEventDeferDelay = H.isMS ? 150 : 0;
        // Dummy object so we can reuse our canvas-tools.js without errors
        H.CanVGRenderer = {};
        /* eslint-disable valid-jsdoc */
        /**
         * Downloads a script and executes a callback when done.
         *
         * @private
         * @function getScript
         * @param {string} scriptLocation
         * @param {Function} callback
         * @return {void}
         */
        function getScript(scriptLocation, callback) {
            var head = doc.getElementsByTagName('head')[0], script = doc.createElement('script');
            script.type = 'text/javascript';
            script.src = scriptLocation;
            script.onload = callback;
            script.onerror = function () {
                error('Error loading script ' + scriptLocation);
            };
            head.appendChild(script);
        }
        /**
         * Get blob URL from SVG code. Falls back to normal data URI.
         *
         * @private
         * @function Highcharts.svgToDataURL
         * @param {string} svg
         * @return {string}
         */
        function svgToDataUrl(svg) {
            // Webkit and not chrome
            var userAgent = win.navigator.userAgent;
            var webKit = (userAgent.indexOf('WebKit') > -1 &&
                    userAgent.indexOf('Chrome') < 0);
            try {
                // Safari requires data URI since it doesn't allow navigation to blob
                // URLs. Firefox has an issue with Blobs and internal references,
                // leading to gradients not working using Blobs (#4550)
                if (!webKit && !H.isFirefox) {
                    return domurl.createObjectURL(new win.Blob([svg], {
                        type: 'image/svg+xml;charset-utf-16'
                    }));
                }
            }
            catch (e) {
                // Ignore
            }
            return 'data:image/svg+xml;charset=UTF-8,' + encodeURIComponent(svg);
        }
        /**
         * Get data:URL from image URL. Pass in callbacks to handle results.
         *
         * @private
         * @function Highcharts.imageToDataUrl
         *
         * @param {string} imageURL
         *
         * @param {string} imageType
         *
         * @param {*} callbackArgs
         *        callbackArgs is used only by callbacks.
         *
         * @param {number} scale
         *
         * @param {Function} successCallback
         *        Receives four arguments: imageURL, imageType, callbackArgs, and scale.
         *
         * @param {Function} taintedCallback
         *        Receives four arguments: imageURL, imageType, callbackArgs, and scale.
         *
         * @param {Function} noCanvasSupportCallback
         *        Receives four arguments: imageURL, imageType, callbackArgs, and scale.
         *
         * @param {Function} failedLoadCallback
         *        Receives four arguments: imageURL, imageType, callbackArgs, and scale.
         *
         * @param {Function} [finallyCallback]
         *        finallyCallback is always called at the end of the process. All
         *        callbacks receive four arguments: imageURL, imageType, callbackArgs,
         *        and scale.
         *
         * @return {void}
         */
        function imageToDataUrl(imageURL, imageType, callbackArgs, scale, successCallback, taintedCallback, noCanvasSupportCallback, failedLoadCallback, finallyCallback) {
            var img = new win.Image(), taintedHandler, loadHandler = function () {
                    setTimeout(function () {
                        var canvas = doc.createElement('canvas'), ctx = canvas.getContext && canvas.getContext('2d'), dataURL;
                    try {
                        if (!ctx) {
                            noCanvasSupportCallback(imageURL, imageType, callbackArgs, scale);
                        }
                        else {
                            canvas.height = img.height * scale;
                            canvas.width = img.width * scale;
                            ctx.drawImage(img, 0, 0, canvas.width, canvas.height);
                            // Now we try to get the contents of the canvas.
                            try {
                                dataURL = canvas.toDataURL(imageType);
                                successCallback(dataURL, imageType, callbackArgs, scale);
                            }
                            catch (e) {
                                taintedHandler(imageURL, imageType, callbackArgs, scale);
                            }
                        }
                    }
                    finally {
                        if (finallyCallback) {
                            finallyCallback(imageURL, imageType, callbackArgs, scale);
                        }
                    }
                    // IE bug where image is not always ready despite calling load
                    // event.
                }, loadEventDeferDelay);
            }, 
            // Image load failed (e.g. invalid URL)
            errorHandler = function () {
                failedLoadCallback(imageURL, imageType, callbackArgs, scale);
                if (finallyCallback) {
                    finallyCallback(imageURL, imageType, callbackArgs, scale);
                }
            };
            // This is called on load if the image drawing to canvas failed with a
            // security error. We retry the drawing with crossOrigin set to Anonymous.
            taintedHandler = function () {
                img = new win.Image();
                taintedHandler = taintedCallback;
                // Must be set prior to loading image source
                img.crossOrigin = 'Anonymous';
                img.onload = loadHandler;
                img.onerror = errorHandler;
                img.src = imageURL;
            };
            img.onload = loadHandler;
            img.onerror = errorHandler;
            img.src = imageURL;
        }
        /* eslint-enable valid-jsdoc */
        /**
         * Get data URL to an image of an SVG and call download on it options object:
         *
         * - **filename:** Name of resulting downloaded file without extension. Default
         *   is `chart`.
         *
         * - **type:** File type of resulting download. Default is `image/png`.
         *
         * - **scale:** Scaling factor of downloaded image compared to source. Default
         *   is `1`.
         *
         * - **libURL:** URL pointing to location of dependency scripts to download on
         *   demand. Default is the exporting.libURL option of the global Highcharts
         *   options pointing to our server.
         *
         * @function Highcharts.downloadSVGLocal
         *
         * @param {string} svg
         * The generated SVG
         *
         * @param {Highcharts.ExportingOptions} options
         * The exporting options
         *
         * @param {Function} failCallback
         * The callback function in case of errors
         *
         * @param {Function} [successCallback]
         * The callback function in case of success
         *
         * @return {void}
         */
        function downloadSVGLocal(svg, options, failCallback, successCallback) {
            var svgurl, blob, objectURLRevoke = true, finallyHandler, libURL = (options.libURL || getOptions().exporting.libURL), dummySVGContainer = doc.createElement('div'), imageType = options.type || 'image/png', filename = ((options.filename || 'chart') +
                    '.' +
                    (imageType === 'image/svg+xml' ? 'svg' : imageType.split('/')[1])), scale = options.scale || 1;
            // Allow libURL to end with or without fordward slash
            libURL = libURL.slice(-1) !== '/' ? libURL + '/' : libURL;
            /* eslint-disable valid-jsdoc */
            /**
             * @private
             */
            function svgToPdf(svgElement, margin) {
                var width = svgElement.width.baseVal.value + 2 * margin,
                    height = svgElement.height.baseVal.value + 2 * margin,
                    pdf = new win.jsPDF(// eslint-disable-line new-cap
                    height > width ? 'p' : 'l', // setting orientation to portrait if height exceeds width
                    'pt',
                    [width,
                    height]);
                // Workaround for #7090, hidden elements were drawn anyway. It comes
                // down to https://github.com/yWorks/svg2pdf.js/issues/28. Check this
                // later.
                [].forEach.call(svgElement.querySelectorAll('*[visibility="hidden"]'), function (node) {
                    node.parentNode.removeChild(node);
                });
                // Workaround for #13948, multiple stops in linear gradient set to 0
                // causing error in Acrobat
                var gradients = svgElement.querySelectorAll('linearGradient');
                for (var index = 0; index < gradients.length; index++) {
                    var gradient = gradients[index];
                    var stops = gradient.querySelectorAll('stop');
                    var i = 0;
                    while (i < stops.length &&
                        stops[i].getAttribute('offset') === '0' &&
                        stops[i + 1].getAttribute('offset') === '0') {
                        stops[i].remove();
                        i++;
                    }
                }
                // Workaround for #15135, zero width spaces, which Highcharts uses to
                // break lines, are not correctly rendered in PDF. Replace it with a
                // regular space and offset by some pixels to compensate.
                [].forEach.call(svgElement.querySelectorAll('tspan'), function (tspan) {
                    if (tspan.textContent === '\u200B') {
                        tspan.textContent = ' ';
                        tspan.setAttribute('dx', -5);
                    }
                });
                win.svg2pdf(svgElement, pdf, { removeInvalid: true });
                return pdf.output('datauristring');
            }
            /**
             * @private
             * @return {void}
             */
            function downloadPDF() {
                dummySVGContainer.innerHTML = svg;
                var textElements = dummySVGContainer.getElementsByTagName('text'),
                    titleElements,
                    svgData, 
                    // Copy style property to element from parents if it's not there.
                    // Searches up hierarchy until it finds prop, or hits the chart
                    // container.
                    setStylePropertyFromParents = function (el,
                    propName) {
                        var curParent = el;
                    while (curParent && curParent !== dummySVGContainer) {
                        if (curParent.style[propName]) {
                            el.style[propName] =
                                curParent.style[propName];
                            break;
                        }
                        curParent = curParent.parentNode;
                    }
                };
                // Workaround for the text styling. Making sure it does pick up settings
                // for parent elements.
                [].forEach.call(textElements, function (el) {
                    // Workaround for the text styling. making sure it does pick up the
                    // root element
                    ['font-family', 'font-size'].forEach(function (property) {
                        setStylePropertyFromParents(el, property);
                    });
                    el.style['font-family'] = (el.style['font-family'] &&
                        el.style['font-family'].split(' ').splice(-1));
                    // Workaround for plotband with width, removing title from text
                    // nodes
                    titleElements = el.getElementsByTagName('title');
                    [].forEach.call(titleElements, function (titleElement) {
                        el.removeChild(titleElement);
                    });
                });
                svgData = svgToPdf(dummySVGContainer.firstChild, 0);
                try {
                    downloadURL(svgData, filename);
                    if (successCallback) {
                        successCallback();
                    }
                }
                catch (e) {
                    failCallback(e);
                }
            }
            /* eslint-enable valid-jsdoc */
            // Initiate download depending on file type
            if (imageType === 'image/svg+xml') {
                // SVG download. In this case, we want to use Microsoft specific Blob if
                // available
                try {
                    if (typeof win.navigator.msSaveOrOpenBlob !== 'undefined') {
                        blob = new MSBlobBuilder();
                        blob.append(svg);
                        svgurl = blob.getBlob('image/svg+xml');
                    }
                    else {
                        svgurl = svgToDataUrl(svg);
                    }
                    downloadURL(svgurl, filename);
                    if (successCallback) {
                        successCallback();
                    }
                }
                catch (e) {
                    failCallback(e);
                }
            }
            else if (imageType === 'application/pdf') {
                if (win.jsPDF && win.svg2pdf) {
                    downloadPDF();
                }
                else {
                    // Must load pdf libraries first. // Don't destroy the object URL
                    // yet since we are doing things asynchronously. A cleaner solution
                    // would be nice, but this will do for now.
                    objectURLRevoke = true;
                    getScript(libURL + 'jspdf.js', function () {
                        getScript(libURL + 'svg2pdf.js', function () {
                            downloadPDF();
                        });
                    });
                }
            }
            else {
                // PNG/JPEG download - create bitmap from SVG
                svgurl = svgToDataUrl(svg);
                finallyHandler = function () {
                    try {
                        domurl.revokeObjectURL(svgurl);
                    }
                    catch (e) {
                        // Ignore
                    }
                };
                // First, try to get PNG by rendering on canvas
                imageToDataUrl(svgurl, imageType, {}, scale, function (imageURL) {
                    // Success
                    try {
                        downloadURL(imageURL, filename);
                        if (successCallback) {
                            successCallback();
                        }
                    }
                    catch (e) {
                        failCallback(e);
                    }
                }, function () {
                    // Failed due to tainted canvas
                    // Create new and untainted canvas
                    var canvas = doc.createElement('canvas'), ctx = canvas.getContext('2d'), imageWidth = svg.match(/^<svg[^>]*width\s*=\s*\"?(\d+)\"?[^>]*>/)[1] * scale, imageHeight = svg.match(/^<svg[^>]*height\s*=\s*\"?(\d+)\"?[^>]*>/)[1] * scale, downloadWithCanVG = function () {
                            ctx.drawSvg(svg, 0, 0, imageWidth, imageHeight);
                        try {
                            downloadURL(win.navigator.msSaveOrOpenBlob ?
                                canvas.msToBlob() :
                                canvas.toDataURL(imageType), filename);
                            if (successCallback) {
                                successCallback();
                            }
                        }
                        catch (e) {
                            failCallback(e);
                        }
                        finally {
                            finallyHandler();
                        }
                    };
                    canvas.width = imageWidth;
                    canvas.height = imageHeight;
                    if (win.canvg) {
                        // Use preloaded canvg
                        downloadWithCanVG();
                    }
                    else {
                        // Must load canVG first. // Don't destroy the object URL
                        // yet since we are doing things asynchronously. A cleaner
                        // solution would be nice, but this will do for now.
                        objectURLRevoke = true;
                        // Get RGBColor.js first, then canvg
                        getScript(libURL + 'rgbcolor.js', function () {
                            getScript(libURL + 'canvg.js', function () {
                                downloadWithCanVG();
                            });
                        });
                    }
                }, 
                // No canvas support
                failCallback, 
                // Failed to load image
                failCallback, 
                // Finally
                function () {
                    if (objectURLRevoke) {
                        finallyHandler();
                    }
                });
            }
        }
        /* eslint-disable valid-jsdoc */
        /**
         * Get SVG of chart prepared for client side export. This converts embedded
         * images in the SVG to data URIs. It requires the regular exporting module. The
         * options and chartOptions arguments are passed to the getSVGForExport
         * function.
         *
         * @private
         * @function Highcharts.Chart#getSVGForLocalExport
         * @param {Highcharts.ExportingOptions} options
         * @param {Highcharts.Options} chartOptions
         * @param {Function} failCallback
         * @param {Function} successCallback
         * @return {void}
         */
        Chart.prototype.getSVGForLocalExport = function (options, chartOptions, failCallback, successCallback) {
            var chart = this,
                images,
                imagesEmbedded = 0,
                chartCopyContainer,
                chartCopyOptions,
                el,
                i,
                l,
                href, 
                // After grabbing the SVG of the chart's copy container we need to do
                // sanitation on the SVG
                sanitize = function (svg) {
                    return chart.sanitizeSVG(svg,
                chartCopyOptions);
            }, 
            // When done with last image we have our SVG
            checkDone = function () {
                if (imagesEmbedded === images.length) {
                    successCallback(sanitize(chartCopyContainer.innerHTML));
                }
            }, 
            // Success handler, we converted image to base64!
            embeddedSuccess = function (imageURL, imageType, callbackArgs) {
                ++imagesEmbedded;
                // Change image href in chart copy
                callbackArgs.imageElement.setAttributeNS('http://www.w3.org/1999/xlink', 'href', imageURL);
                checkDone();
            };
            // Hook into getSVG to get a copy of the chart copy's container (#8273)
            chart.unbindGetSVG = addEvent(chart, 'getSVG', function (e) {
                chartCopyOptions = e.chartCopy.options;
                chartCopyContainer = e.chartCopy.container.cloneNode(true);
            });
            // Trigger hook to get chart copy
            chart.getSVGForExport(options, chartOptions);
            images = chartCopyContainer.getElementsByTagName('image');
            try {
                // If there are no images to embed, the SVG is okay now.
                if (!images.length) {
                    // Use SVG of chart copy
                    successCallback(sanitize(chartCopyContainer.innerHTML));
                    return;
                }
                // Go through the images we want to embed
                for (i = 0, l = images.length; i < l; ++i) {
                    el = images[i];
                    href = el.getAttributeNS('http://www.w3.org/1999/xlink', 'href');
                    if (href) {
                        imageToDataUrl(href, 'image/png', { imageElement: el }, options.scale, embeddedSuccess, 
                        // Tainted canvas
                        failCallback, 
                        // No canvas support
                        failCallback, 
                        // Failed to load source
                        failCallback);
                        // Hidden, boosted series have blank href (#10243)
                    }
                    else {
                        ++imagesEmbedded;
                        el.parentNode.removeChild(el);
                        checkDone();
                    }
                }
            }
            catch (e) {
                failCallback(e);
            }
            // Clean up
            chart.unbindGetSVG();
        };
        /* eslint-enable valid-jsdoc */
        /**
         * Exporting and offline-exporting modules required. Export a chart to an image
         * locally in the user's browser.
         *
         * @function Highcharts.Chart#exportChartLocal
         *
         * @param  {Highcharts.ExportingOptions} [exportingOptions]
         *         Exporting options, the same as in
         *         {@link Highcharts.Chart#exportChart}.
         *
         * @param  {Highcharts.Options} [chartOptions]
         *         Additional chart options for the exported chart. For example a
         *         different background color can be added here, or `dataLabels`
         *         for export only.
         *
         * @return {void}
         *
         * @requires modules/exporting
         */
        Chart.prototype.exportChartLocal = function (exportingOptions, chartOptions) {
            var chart = this,
                options = merge(chart.options.exporting,
                exportingOptions),
                fallbackToExportServer = function (err) {
                    if (options.fallbackToExportServer === false) {
                        if (options.error) {
                            options.error(options,
                err);
                    }
                    else {
                        error(28, true); // Fallback disabled
                    }
                }
                else {
                    chart.exportChart(options);
                }
            }, svgSuccess = function (svg) {
                // If SVG contains foreignObjects all exports except SVG will fail,
                // as both CanVG and svg2pdf choke on this. Gracefully fall back.
                if (svg.indexOf('<foreignObject') > -1 &&
                    options.type !== 'image/svg+xml') {
                    fallbackToExportServer('Image type not supported' +
                        'for charts with embedded HTML');
                }
                else {
                    downloadSVGLocal(svg, extend({ filename: chart.getFilename() }, options), fallbackToExportServer, function () { return fireEvent(chart, 'exportChartLocalSuccess'); });
                }
            }, 
            // Return true if the SVG contains images with external data. With the
            // boost module there are `image` elements with encoded PNGs, these are
            // supported by svg2pdf and should pass (#10243).
            hasExternalImages = function () {
                return [].some.call(chart.container.getElementsByTagName('image'), function (image) {
                    var href = image.getAttribute('href');
                    return href !== '' && href.indexOf('data:') !== 0;
                });
            };
            // If we are on IE and in styled mode, add a whitelist to the renderer for
            // inline styles that we want to pass through. There are so many styles by
            // default in IE that we don't want to blacklist them all.
            if (H.isMS && chart.styledMode) {
                SVGRenderer.prototype.inlineWhitelist = [
                    /^blockSize/,
                    /^border/,
                    /^caretColor/,
                    /^color/,
                    /^columnRule/,
                    /^columnRuleColor/,
                    /^cssFloat/,
                    /^cursor/,
                    /^fill$/,
                    /^fillOpacity/,
                    /^font/,
                    /^inlineSize/,
                    /^length/,
                    /^lineHeight/,
                    /^opacity/,
                    /^outline/,
                    /^parentRule/,
                    /^rx$/,
                    /^ry$/,
                    /^stroke/,
                    /^textAlign/,
                    /^textAnchor/,
                    /^textDecoration/,
                    /^transform/,
                    /^vectorEffect/,
                    /^visibility/,
                    /^x$/,
                    /^y$/
                ];
            }
            // Always fall back on:
            // - MS browsers: Embedded images JPEG/PNG, or any PDF
            // - Embedded images and PDF
            if ((H.isMS &&
                (options.type === 'application/pdf' ||
                    chart.container.getElementsByTagName('image').length &&
                        options.type !== 'image/svg+xml')) || (options.type === 'application/pdf' &&
                hasExternalImages())) {
                fallbackToExportServer('Image type not supported for this chart/browser.');
                return;
            }
            chart.getSVGForLocalExport(options, chartOptions, fallbackToExportServer, svgSuccess);
        };
        // Extend the default options to use the local exporter logic
        merge(true, getOptions().exporting, {
            libURL: 'https://code.highcharts.com/9.0.1/lib/',
            // When offline-exporting is loaded, redefine the menu item definitions
            // related to download.
            menuItemDefinitions: {
                downloadPNG: {
                    textKey: 'downloadPNG',
                    onclick: function () {
                        this.exportChartLocal();
                    }
                },
                downloadJPEG: {
                    textKey: 'downloadJPEG',
                    onclick: function () {
                        this.exportChartLocal({
                            type: 'image/jpeg'
                        });
                    }
                },
                downloadSVG: {
                    textKey: 'downloadSVG',
                    onclick: function () {
                        this.exportChartLocal({
                            type: 'image/svg+xml'
                        });
                    }
                },
                downloadPDF: {
                    textKey: 'downloadPDF',
                    onclick: function () {
                        this.exportChartLocal({
                            type: 'application/pdf'
                        });
                    }
                }
            }
        });
        // Compatibility
        H.downloadSVGLocal = downloadSVGLocal;

    });
    _registerModule(_modules, 'masters/modules/offline-exporting.src.js', [], function () {


    });
}));