770 lines
27 KiB
JavaScript
770 lines
27 KiB
JavaScript
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(function (global) {
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'use strict';
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var util = newUtil();
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var inliner = newInliner();
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var fontFaces = newFontFaces();
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var images = newImages();
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// Default impl options
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var defaultOptions = {
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// Default is to fail on error, no placeholder
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imagePlaceholder: undefined,
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// Default cache bust is false, it will use the cache
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cacheBust: false
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};
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var domtoimage = {
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toSvg: toSvg,
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toPng: toPng,
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toJpeg: toJpeg,
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toBlob: toBlob,
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toPixelData: toPixelData,
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impl: {
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fontFaces: fontFaces,
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images: images,
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util: util,
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inliner: inliner,
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options: {}
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}
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};
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if (typeof module !== 'undefined')
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module.exports = domtoimage;
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else
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global.domtoimage = domtoimage;
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/**
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* @param {Node} node - The DOM Node object to render
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* @param {Object} options - Rendering options
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* @param {Function} options.filter - Should return true if passed node should be included in the output
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* (excluding node means excluding it's children as well). Not called on the root node.
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* @param {String} options.bgcolor - color for the background, any valid CSS color value.
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* @param {Number} options.width - width to be applied to node before rendering.
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* @param {Number} options.height - height to be applied to node before rendering.
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* @param {Object} options.style - an object whose properties to be copied to node's style before rendering.
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* @param {Number} options.quality - a Number between 0 and 1 indicating image quality (applicable to JPEG only),
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defaults to 1.0.
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* @param {String} options.imagePlaceholder - dataURL to use as a placeholder for failed images, default behaviour is to fail fast on images we can't fetch
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* @param {Boolean} options.cacheBust - set to true to cache bust by appending the time to the request url
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* @return {Promise} - A promise that is fulfilled with a SVG image data URL
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* */
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function toSvg(node, options) {
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options = options || {};
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copyOptions(options);
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return Promise.resolve(node)
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.then(function (node) {
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return cloneNode(node, options.filter, true);
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})
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.then(embedFonts)
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.then(inlineImages)
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.then(applyOptions)
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.then(function (clone) {
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return makeSvgDataUri(clone,
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options.width || util.width(node),
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options.height || util.height(node)
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);
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});
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function applyOptions(clone) {
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if (options.bgcolor) clone.style.backgroundColor = options.bgcolor;
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if (options.width) clone.style.width = options.width + 'px';
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if (options.height) clone.style.height = options.height + 'px';
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if (options.style)
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Object.keys(options.style).forEach(function (property) {
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clone.style[property] = options.style[property];
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});
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return clone;
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}
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}
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/**
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* @param {Node} node - The DOM Node object to render
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* @param {Object} options - Rendering options, @see {@link toSvg}
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* @return {Promise} - A promise that is fulfilled with a Uint8Array containing RGBA pixel data.
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* */
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function toPixelData(node, options) {
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return draw(node, options || {})
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.then(function (canvas) {
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return canvas.getContext('2d').getImageData(
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0,
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0,
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util.width(node),
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util.height(node)
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).data;
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});
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}
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/**
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* @param {Node} node - The DOM Node object to render
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* @param {Object} options - Rendering options, @see {@link toSvg}
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* @return {Promise} - A promise that is fulfilled with a PNG image data URL
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* */
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function toPng(node, options) {
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return draw(node, options || {})
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.then(function (canvas) {
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return canvas.toDataURL();
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});
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}
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/**
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* @param {Node} node - The DOM Node object to render
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* @param {Object} options - Rendering options, @see {@link toSvg}
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* @return {Promise} - A promise that is fulfilled with a JPEG image data URL
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* */
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function toJpeg(node, options) {
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options = options || {};
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return draw(node, options)
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.then(function (canvas) {
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return canvas.toDataURL('image/jpeg', options.quality || 1.0);
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});
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}
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/**
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* @param {Node} node - The DOM Node object to render
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* @param {Object} options - Rendering options, @see {@link toSvg}
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* @return {Promise} - A promise that is fulfilled with a PNG image blob
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* */
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function toBlob(node, options) {
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return draw(node, options || {})
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.then(util.canvasToBlob);
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}
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function copyOptions(options) {
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// Copy options to impl options for use in impl
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if(typeof(options.imagePlaceholder) === 'undefined') {
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domtoimage.impl.options.imagePlaceholder = defaultOptions.imagePlaceholder;
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} else {
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domtoimage.impl.options.imagePlaceholder = options.imagePlaceholder;
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}
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if(typeof(options.cacheBust) === 'undefined') {
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domtoimage.impl.options.cacheBust = defaultOptions.cacheBust;
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} else {
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domtoimage.impl.options.cacheBust = options.cacheBust;
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}
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}
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function draw(domNode, options) {
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return toSvg(domNode, options)
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.then(util.makeImage)
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.then(util.delay(100))
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.then(function (image) {
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var canvas = newCanvas(domNode);
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canvas.getContext('2d').drawImage(image, 0, 0);
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return canvas;
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});
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function newCanvas(domNode) {
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var canvas = document.createElement('canvas');
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canvas.width = options.width || util.width(domNode);
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canvas.height = options.height || util.height(domNode);
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if (options.bgcolor) {
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var ctx = canvas.getContext('2d');
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ctx.fillStyle = options.bgcolor;
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ctx.fillRect(0, 0, canvas.width, canvas.height);
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}
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return canvas;
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}
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}
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function cloneNode(node, filter, root) {
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if (!root && filter && !filter(node)) return Promise.resolve();
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return Promise.resolve(node)
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.then(makeNodeCopy)
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.then(function (clone) {
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return cloneChildren(node, clone, filter);
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})
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.then(function (clone) {
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return processClone(node, clone);
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});
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function makeNodeCopy(node) {
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if (node instanceof HTMLCanvasElement) return util.makeImage(node.toDataURL());
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return node.cloneNode(false);
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}
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function cloneChildren(original, clone, filter) {
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var children = original.childNodes;
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if (children.length === 0) return Promise.resolve(clone);
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return cloneChildrenInOrder(clone, util.asArray(children), filter)
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.then(function () {
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return clone;
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});
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function cloneChildrenInOrder(parent, children, filter) {
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var done = Promise.resolve();
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children.forEach(function (child) {
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done = done
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.then(function () {
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return cloneNode(child, filter);
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})
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.then(function (childClone) {
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if (childClone) parent.appendChild(childClone);
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});
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});
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return done;
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}
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}
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function processClone(original, clone) {
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if (!(clone instanceof Element)) return clone;
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return Promise.resolve()
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.then(cloneStyle)
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.then(clonePseudoElements)
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.then(copyUserInput)
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.then(fixSvg)
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.then(function () {
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return clone;
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});
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function cloneStyle() {
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copyStyle(window.getComputedStyle(original), clone.style);
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function copyStyle(source, target) {
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if (source.cssText) target.cssText = source.cssText;
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else copyProperties(source, target);
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function copyProperties(source, target) {
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util.asArray(source).forEach(function (name) {
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target.setProperty(
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name,
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source.getPropertyValue(name),
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source.getPropertyPriority(name)
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);
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});
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}
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}
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}
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function clonePseudoElements() {
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[':before', ':after'].forEach(function (element) {
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clonePseudoElement(element);
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});
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function clonePseudoElement(element) {
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var style = window.getComputedStyle(original, element);
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var content = style.getPropertyValue('content');
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if (content === '' || content === 'none') return;
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var className = util.uid();
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clone.className = clone.className + ' ' + className;
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var styleElement = document.createElement('style');
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styleElement.appendChild(formatPseudoElementStyle(className, element, style));
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clone.appendChild(styleElement);
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function formatPseudoElementStyle(className, element, style) {
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var selector = '.' + className + ':' + element;
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var cssText = style.cssText ? formatCssText(style) : formatCssProperties(style);
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return document.createTextNode(selector + '{' + cssText + '}');
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function formatCssText(style) {
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var content = style.getPropertyValue('content');
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return style.cssText + ' content: ' + content + ';';
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}
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function formatCssProperties(style) {
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return util.asArray(style)
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.map(formatProperty)
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.join('; ') + ';';
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function formatProperty(name) {
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return name + ': ' +
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style.getPropertyValue(name) +
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(style.getPropertyPriority(name) ? ' !important' : '');
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}
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}
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}
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}
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}
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function copyUserInput() {
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if (original instanceof HTMLTextAreaElement) clone.innerHTML = original.value;
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if (original instanceof HTMLInputElement) clone.setAttribute("value", original.value);
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}
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function fixSvg() {
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if (!(clone instanceof SVGElement)) return;
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clone.setAttribute('xmlns', 'http://www.w3.org/2000/svg');
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if (!(clone instanceof SVGRectElement)) return;
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['width', 'height'].forEach(function (attribute) {
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var value = clone.getAttribute(attribute);
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if (!value) return;
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clone.style.setProperty(attribute, value);
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});
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}
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}
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}
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function embedFonts(node) {
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return fontFaces.resolveAll()
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.then(function (cssText) {
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var styleNode = document.createElement('style');
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node.appendChild(styleNode);
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styleNode.appendChild(document.createTextNode(cssText));
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return node;
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});
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}
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function inlineImages(node) {
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return images.inlineAll(node)
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.then(function () {
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return node;
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});
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}
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function makeSvgDataUri(node, width, height) {
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return Promise.resolve(node)
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.then(function (node) {
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node.setAttribute('xmlns', 'http://www.w3.org/1999/xhtml');
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return new XMLSerializer().serializeToString(node);
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})
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.then(util.escapeXhtml)
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.then(function (xhtml) {
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return '<foreignObject x="0" y="0" width="100%" height="100%">' + xhtml + '</foreignObject>';
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})
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.then(function (foreignObject) {
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return '<svg xmlns="http://www.w3.org/2000/svg" width="' + width + '" height="' + height + '">' +
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foreignObject + '</svg>';
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})
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.then(function (svg) {
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return 'data:image/svg+xml;charset=utf-8,' + svg;
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});
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}
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function newUtil() {
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return {
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escape: escape,
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parseExtension: parseExtension,
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mimeType: mimeType,
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dataAsUrl: dataAsUrl,
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isDataUrl: isDataUrl,
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canvasToBlob: canvasToBlob,
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resolveUrl: resolveUrl,
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getAndEncode: getAndEncode,
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uid: uid(),
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delay: delay,
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asArray: asArray,
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escapeXhtml: escapeXhtml,
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makeImage: makeImage,
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width: width,
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height: height
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};
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function mimes() {
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/*
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* Only WOFF and EOT mime types for fonts are 'real'
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* see http://www.iana.org/assignments/media-types/media-types.xhtml
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*/
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var WOFF = 'application/font-woff';
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var JPEG = 'image/jpeg';
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return {
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'woff': WOFF,
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'woff2': WOFF,
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'ttf': 'application/font-truetype',
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'eot': 'application/vnd.ms-fontobject',
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'png': 'image/png',
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'jpg': JPEG,
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'jpeg': JPEG,
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'gif': 'image/gif',
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'tiff': 'image/tiff',
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'svg': 'image/svg+xml'
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};
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}
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function parseExtension(url) {
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var match = /\.([^\.\/]*?)$/g.exec(url);
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|
if (match) return match[1];
|
||
|
|
else return '';
|
||
|
|
}
|
||
|
|
|
||
|
|
function mimeType(url) {
|
||
|
|
var extension = parseExtension(url).toLowerCase();
|
||
|
|
return mimes()[extension] || '';
|
||
|
|
}
|
||
|
|
|
||
|
|
function isDataUrl(url) {
|
||
|
|
return url.search(/^(data:)/) !== -1;
|
||
|
|
}
|
||
|
|
|
||
|
|
function toBlob(canvas) {
|
||
|
|
return new Promise(function (resolve) {
|
||
|
|
var binaryString = window.atob(canvas.toDataURL().split(',')[1]);
|
||
|
|
var length = binaryString.length;
|
||
|
|
var binaryArray = new Uint8Array(length);
|
||
|
|
|
||
|
|
for (var i = 0; i < length; i++)
|
||
|
|
binaryArray[i] = binaryString.charCodeAt(i);
|
||
|
|
|
||
|
|
resolve(new Blob([binaryArray], {
|
||
|
|
type: 'image/png'
|
||
|
|
}));
|
||
|
|
});
|
||
|
|
}
|
||
|
|
|
||
|
|
function canvasToBlob(canvas) {
|
||
|
|
if (canvas.toBlob)
|
||
|
|
return new Promise(function (resolve) {
|
||
|
|
canvas.toBlob(resolve);
|
||
|
|
});
|
||
|
|
|
||
|
|
return toBlob(canvas);
|
||
|
|
}
|
||
|
|
|
||
|
|
function resolveUrl(url, baseUrl) {
|
||
|
|
var doc = document.implementation.createHTMLDocument();
|
||
|
|
var base = doc.createElement('base');
|
||
|
|
doc.head.appendChild(base);
|
||
|
|
var a = doc.createElement('a');
|
||
|
|
doc.body.appendChild(a);
|
||
|
|
base.href = baseUrl;
|
||
|
|
a.href = url;
|
||
|
|
return a.href;
|
||
|
|
}
|
||
|
|
|
||
|
|
function uid() {
|
||
|
|
var index = 0;
|
||
|
|
|
||
|
|
return function () {
|
||
|
|
return 'u' + fourRandomChars() + index++;
|
||
|
|
|
||
|
|
function fourRandomChars() {
|
||
|
|
/* see http://stackoverflow.com/a/6248722/2519373 */
|
||
|
|
return ('0000' + (Math.random() * Math.pow(36, 4) << 0).toString(36)).slice(-4);
|
||
|
|
}
|
||
|
|
};
|
||
|
|
}
|
||
|
|
|
||
|
|
function makeImage(uri) {
|
||
|
|
return new Promise(function (resolve, reject) {
|
||
|
|
var image = new Image();
|
||
|
|
image.onload = function () {
|
||
|
|
resolve(image);
|
||
|
|
};
|
||
|
|
image.onerror = reject;
|
||
|
|
image.src = uri;
|
||
|
|
});
|
||
|
|
}
|
||
|
|
|
||
|
|
function getAndEncode(url) {
|
||
|
|
var TIMEOUT = 30000;
|
||
|
|
if(domtoimage.impl.options.cacheBust) {
|
||
|
|
// Cache bypass so we dont have CORS issues with cached images
|
||
|
|
// Source: https://developer.mozilla.org/en/docs/Web/API/XMLHttpRequest/Using_XMLHttpRequest#Bypassing_the_cache
|
||
|
|
url += ((/\?/).test(url) ? "&" : "?") + (new Date()).getTime();
|
||
|
|
}
|
||
|
|
|
||
|
|
return new Promise(function (resolve) {
|
||
|
|
var request = new XMLHttpRequest();
|
||
|
|
|
||
|
|
request.onreadystatechange = done;
|
||
|
|
request.ontimeout = timeout;
|
||
|
|
request.responseType = 'blob';
|
||
|
|
request.timeout = TIMEOUT;
|
||
|
|
request.open('GET', url, true);
|
||
|
|
request.send();
|
||
|
|
|
||
|
|
var placeholder;
|
||
|
|
if(domtoimage.impl.options.imagePlaceholder) {
|
||
|
|
var split = domtoimage.impl.options.imagePlaceholder.split(/,/);
|
||
|
|
if(split && split[1]) {
|
||
|
|
placeholder = split[1];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
function done() {
|
||
|
|
if (request.readyState !== 4) return;
|
||
|
|
|
||
|
|
if (request.status !== 200) {
|
||
|
|
if(placeholder) {
|
||
|
|
resolve(placeholder);
|
||
|
|
} else {
|
||
|
|
fail('cannot fetch resource: ' + url + ', status: ' + request.status);
|
||
|
|
}
|
||
|
|
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
var encoder = new FileReader();
|
||
|
|
encoder.onloadend = function () {
|
||
|
|
var content = encoder.result.split(/,/)[1];
|
||
|
|
resolve(content);
|
||
|
|
};
|
||
|
|
encoder.readAsDataURL(request.response);
|
||
|
|
}
|
||
|
|
|
||
|
|
function timeout() {
|
||
|
|
if(placeholder) {
|
||
|
|
resolve(placeholder);
|
||
|
|
} else {
|
||
|
|
fail('timeout of ' + TIMEOUT + 'ms occured while fetching resource: ' + url);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
function fail(message) {
|
||
|
|
console.error(message);
|
||
|
|
resolve('');
|
||
|
|
}
|
||
|
|
});
|
||
|
|
}
|
||
|
|
|
||
|
|
function dataAsUrl(content, type) {
|
||
|
|
return 'data:' + type + ';base64,' + content;
|
||
|
|
}
|
||
|
|
|
||
|
|
function escape(string) {
|
||
|
|
return string.replace(/([.*+?^${}()|\[\]\/\\])/g, '\\$1');
|
||
|
|
}
|
||
|
|
|
||
|
|
function delay(ms) {
|
||
|
|
return function (arg) {
|
||
|
|
return new Promise(function (resolve) {
|
||
|
|
setTimeout(function () {
|
||
|
|
resolve(arg);
|
||
|
|
}, ms);
|
||
|
|
});
|
||
|
|
};
|
||
|
|
}
|
||
|
|
|
||
|
|
function asArray(arrayLike) {
|
||
|
|
var array = [];
|
||
|
|
var length = arrayLike.length;
|
||
|
|
for (var i = 0; i < length; i++) array.push(arrayLike[i]);
|
||
|
|
return array;
|
||
|
|
}
|
||
|
|
|
||
|
|
function escapeXhtml(string) {
|
||
|
|
return string.replace(/#/g, '%23').replace(/\n/g, '%0A');
|
||
|
|
}
|
||
|
|
|
||
|
|
function width(node) {
|
||
|
|
var leftBorder = px(node, 'border-left-width');
|
||
|
|
var rightBorder = px(node, 'border-right-width');
|
||
|
|
return node.scrollWidth + leftBorder + rightBorder;
|
||
|
|
}
|
||
|
|
|
||
|
|
function height(node) {
|
||
|
|
var topBorder = px(node, 'border-top-width');
|
||
|
|
var bottomBorder = px(node, 'border-bottom-width');
|
||
|
|
return node.scrollHeight + topBorder + bottomBorder;
|
||
|
|
}
|
||
|
|
|
||
|
|
function px(node, styleProperty) {
|
||
|
|
var value = window.getComputedStyle(node).getPropertyValue(styleProperty);
|
||
|
|
return parseFloat(value.replace('px', ''));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
function newInliner() {
|
||
|
|
var URL_REGEX = /url\(['"]?([^'"]+?)['"]?\)/g;
|
||
|
|
|
||
|
|
return {
|
||
|
|
inlineAll: inlineAll,
|
||
|
|
shouldProcess: shouldProcess,
|
||
|
|
impl: {
|
||
|
|
readUrls: readUrls,
|
||
|
|
inline: inline
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
function shouldProcess(string) {
|
||
|
|
return string.search(URL_REGEX) !== -1;
|
||
|
|
}
|
||
|
|
|
||
|
|
function readUrls(string) {
|
||
|
|
var result = [];
|
||
|
|
var match;
|
||
|
|
while ((match = URL_REGEX.exec(string)) !== null) {
|
||
|
|
result.push(match[1]);
|
||
|
|
}
|
||
|
|
return result.filter(function (url) {
|
||
|
|
return !util.isDataUrl(url);
|
||
|
|
});
|
||
|
|
}
|
||
|
|
|
||
|
|
function inline(string, url, baseUrl, get) {
|
||
|
|
return Promise.resolve(url)
|
||
|
|
.then(function (url) {
|
||
|
|
return baseUrl ? util.resolveUrl(url, baseUrl) : url;
|
||
|
|
})
|
||
|
|
.then(get || util.getAndEncode)
|
||
|
|
.then(function (data) {
|
||
|
|
return util.dataAsUrl(data, util.mimeType(url));
|
||
|
|
})
|
||
|
|
.then(function (dataUrl) {
|
||
|
|
return string.replace(urlAsRegex(url), '$1' + dataUrl + '$3');
|
||
|
|
});
|
||
|
|
|
||
|
|
function urlAsRegex(url) {
|
||
|
|
return new RegExp('(url\\([\'"]?)(' + util.escape(url) + ')([\'"]?\\))', 'g');
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
function inlineAll(string, baseUrl, get) {
|
||
|
|
if (nothingToInline()) return Promise.resolve(string);
|
||
|
|
|
||
|
|
return Promise.resolve(string)
|
||
|
|
.then(readUrls)
|
||
|
|
.then(function (urls) {
|
||
|
|
var done = Promise.resolve(string);
|
||
|
|
urls.forEach(function (url) {
|
||
|
|
done = done.then(function (string) {
|
||
|
|
return inline(string, url, baseUrl, get);
|
||
|
|
});
|
||
|
|
});
|
||
|
|
return done;
|
||
|
|
});
|
||
|
|
|
||
|
|
function nothingToInline() {
|
||
|
|
return !shouldProcess(string);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
function newFontFaces() {
|
||
|
|
return {
|
||
|
|
resolveAll: resolveAll,
|
||
|
|
impl: {
|
||
|
|
readAll: readAll
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
function resolveAll() {
|
||
|
|
return readAll(document)
|
||
|
|
.then(function (webFonts) {
|
||
|
|
return Promise.all(
|
||
|
|
webFonts.map(function (webFont) {
|
||
|
|
return webFont.resolve();
|
||
|
|
})
|
||
|
|
);
|
||
|
|
})
|
||
|
|
.then(function (cssStrings) {
|
||
|
|
return cssStrings.join('\n');
|
||
|
|
});
|
||
|
|
}
|
||
|
|
|
||
|
|
function readAll() {
|
||
|
|
return Promise.resolve(util.asArray(document.styleSheets))
|
||
|
|
.then(getCssRules)
|
||
|
|
.then(selectWebFontRules)
|
||
|
|
.then(function (rules) {
|
||
|
|
return rules.map(newWebFont);
|
||
|
|
});
|
||
|
|
|
||
|
|
function selectWebFontRules(cssRules) {
|
||
|
|
return cssRules
|
||
|
|
.filter(function (rule) {
|
||
|
|
return rule.type === CSSRule.FONT_FACE_RULE;
|
||
|
|
})
|
||
|
|
.filter(function (rule) {
|
||
|
|
return inliner.shouldProcess(rule.style.getPropertyValue('src'));
|
||
|
|
});
|
||
|
|
}
|
||
|
|
|
||
|
|
function getCssRules(styleSheets) {
|
||
|
|
var cssRules = [];
|
||
|
|
styleSheets.forEach(function (sheet) {
|
||
|
|
try {
|
||
|
|
util.asArray(sheet.cssRules || []).forEach(cssRules.push.bind(cssRules));
|
||
|
|
} catch (e) {
|
||
|
|
console.log('Error while reading CSS rules from ' + sheet.href, e.toString());
|
||
|
|
}
|
||
|
|
});
|
||
|
|
return cssRules;
|
||
|
|
}
|
||
|
|
|
||
|
|
function newWebFont(webFontRule) {
|
||
|
|
return {
|
||
|
|
resolve: function resolve() {
|
||
|
|
var baseUrl = (webFontRule.parentStyleSheet || {}).href;
|
||
|
|
return inliner.inlineAll(webFontRule.cssText, baseUrl);
|
||
|
|
},
|
||
|
|
src: function () {
|
||
|
|
return webFontRule.style.getPropertyValue('src');
|
||
|
|
}
|
||
|
|
};
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
function newImages() {
|
||
|
|
return {
|
||
|
|
inlineAll: inlineAll,
|
||
|
|
impl: {
|
||
|
|
newImage: newImage
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
function newImage(element) {
|
||
|
|
return {
|
||
|
|
inline: inline
|
||
|
|
};
|
||
|
|
|
||
|
|
function inline(get) {
|
||
|
|
if (util.isDataUrl(element.src)) return Promise.resolve();
|
||
|
|
|
||
|
|
return Promise.resolve(element.src)
|
||
|
|
.then(get || util.getAndEncode)
|
||
|
|
.then(function (data) {
|
||
|
|
return util.dataAsUrl(data, util.mimeType(element.src));
|
||
|
|
})
|
||
|
|
.then(function (dataUrl) {
|
||
|
|
return new Promise(function (resolve, reject) {
|
||
|
|
element.onload = resolve;
|
||
|
|
element.onerror = reject;
|
||
|
|
element.src = dataUrl;
|
||
|
|
});
|
||
|
|
});
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
function inlineAll(node) {
|
||
|
|
if (!(node instanceof Element)) return Promise.resolve(node);
|
||
|
|
|
||
|
|
return inlineBackground(node)
|
||
|
|
.then(function () {
|
||
|
|
if (node instanceof HTMLImageElement)
|
||
|
|
return newImage(node).inline();
|
||
|
|
else
|
||
|
|
return Promise.all(
|
||
|
|
util.asArray(node.childNodes).map(function (child) {
|
||
|
|
return inlineAll(child);
|
||
|
|
})
|
||
|
|
);
|
||
|
|
});
|
||
|
|
|
||
|
|
function inlineBackground(node) {
|
||
|
|
var background = node.style.getPropertyValue('background');
|
||
|
|
|
||
|
|
if (!background) return Promise.resolve(node);
|
||
|
|
|
||
|
|
return inliner.inlineAll(background)
|
||
|
|
.then(function (inlined) {
|
||
|
|
node.style.setProperty(
|
||
|
|
'background',
|
||
|
|
inlined,
|
||
|
|
node.style.getPropertyPriority('background')
|
||
|
|
);
|
||
|
|
})
|
||
|
|
.then(function () {
|
||
|
|
return node;
|
||
|
|
});
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
})(this);
|