1389 lines
59 KiB
JavaScript
1389 lines
59 KiB
JavaScript
(function (global, factory) {
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typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :
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typeof define === 'function' && define.amd ? define(['exports'], factory) :
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(global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory(global.htmlToImage = {}));
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})(this, (function (exports) { 'use strict';
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/******************************************************************************
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Copyright (c) Microsoft Corporation.
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Permission to use, copy, modify, and/or distribute this software for any
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purpose with or without fee is hereby granted.
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
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REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
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AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
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INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
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LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
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OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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PERFORMANCE OF THIS SOFTWARE.
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***************************************************************************** */
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/* global Reflect, Promise, SuppressedError, Symbol, Iterator */
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function __awaiter(thisArg, _arguments, P, generator) {
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function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
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return new (P || (P = Promise))(function (resolve, reject) {
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function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
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function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
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function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
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step((generator = generator.apply(thisArg, _arguments || [])).next());
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});
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}
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function __generator(thisArg, body) {
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var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g = Object.create((typeof Iterator === "function" ? Iterator : Object).prototype);
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return g.next = verb(0), g["throw"] = verb(1), g["return"] = verb(2), typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
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function verb(n) { return function (v) { return step([n, v]); }; }
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function step(op) {
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if (f) throw new TypeError("Generator is already executing.");
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while (g && (g = 0, op[0] && (_ = 0)), _) try {
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if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
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if (y = 0, t) op = [op[0] & 2, t.value];
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switch (op[0]) {
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case 0: case 1: t = op; break;
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case 4: _.label++; return { value: op[1], done: false };
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case 5: _.label++; y = op[1]; op = [0]; continue;
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case 7: op = _.ops.pop(); _.trys.pop(); continue;
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default:
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if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
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if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
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if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
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if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
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if (t[2]) _.ops.pop();
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_.trys.pop(); continue;
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}
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op = body.call(thisArg, _);
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} catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
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if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
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}
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}
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typeof SuppressedError === "function" ? SuppressedError : function (error, suppressed, message) {
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var e = new Error(message);
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return e.name = "SuppressedError", e.error = error, e.suppressed = suppressed, e;
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};
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function resolveUrl(url, baseUrl) {
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// url is absolute already
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if (url.match(/^[a-z]+:\/\//i)) {
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return url;
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}
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// url is absolute already, without protocol
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if (url.match(/^\/\//)) {
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return window.location.protocol + url;
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}
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// dataURI, mailto:, tel:, etc.
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if (url.match(/^[a-z]+:/i)) {
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return url;
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}
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var doc = document.implementation.createHTMLDocument();
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var base = doc.createElement('base');
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var a = doc.createElement('a');
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doc.head.appendChild(base);
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doc.body.appendChild(a);
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if (baseUrl) {
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base.href = baseUrl;
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}
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a.href = url;
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return a.href;
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}
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var uuid = (function () {
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// generate uuid for className of pseudo elements.
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// We should not use GUIDs, otherwise pseudo elements sometimes cannot be captured.
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var counter = 0;
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// ref: http://stackoverflow.com/a/6248722/2519373
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var random = function () {
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// eslint-disable-next-line no-bitwise
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return "0000".concat(((Math.random() * Math.pow(36, 4)) << 0).toString(36)).slice(-4);
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};
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return function () {
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counter += 1;
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return "u".concat(random()).concat(counter);
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};
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})();
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function toArray(arrayLike) {
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var arr = [];
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for (var i = 0, l = arrayLike.length; i < l; i++) {
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arr.push(arrayLike[i]);
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}
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return arr;
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}
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var styleProps = null;
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function getStyleProperties(options) {
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if (options === void 0) { options = {}; }
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if (styleProps) {
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return styleProps;
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}
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if (options.includeStyleProperties) {
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styleProps = options.includeStyleProperties;
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return styleProps;
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}
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styleProps = toArray(window.getComputedStyle(document.documentElement));
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return styleProps;
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}
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function px(node, styleProperty) {
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var win = node.ownerDocument.defaultView || window;
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var val = win.getComputedStyle(node).getPropertyValue(styleProperty);
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return val ? parseFloat(val.replace('px', '')) : 0;
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}
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function getNodeWidth(node) {
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var leftBorder = px(node, 'border-left-width');
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var rightBorder = px(node, 'border-right-width');
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return node.clientWidth + leftBorder + rightBorder;
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}
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function getNodeHeight(node) {
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var topBorder = px(node, 'border-top-width');
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var bottomBorder = px(node, 'border-bottom-width');
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return node.clientHeight + topBorder + bottomBorder;
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}
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function getImageSize(targetNode, options) {
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if (options === void 0) { options = {}; }
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var width = options.width || getNodeWidth(targetNode);
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var height = options.height || getNodeHeight(targetNode);
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return { width: width, height: height };
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}
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function getPixelRatio() {
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var ratio;
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var FINAL_PROCESS;
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try {
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FINAL_PROCESS = process;
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}
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catch (e) {
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// pass
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}
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var val = FINAL_PROCESS && FINAL_PROCESS.env
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? FINAL_PROCESS.env.devicePixelRatio
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: null;
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if (val) {
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ratio = parseInt(val, 10);
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if (Number.isNaN(ratio)) {
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ratio = 1;
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}
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}
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return ratio || window.devicePixelRatio || 1;
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}
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// @see https://developer.mozilla.org/en-US/docs/Web/HTML/Element/canvas#maximum_canvas_size
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var canvasDimensionLimit = 16384;
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function checkCanvasDimensions(canvas) {
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if (canvas.width > canvasDimensionLimit ||
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canvas.height > canvasDimensionLimit) {
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if (canvas.width > canvasDimensionLimit &&
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canvas.height > canvasDimensionLimit) {
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if (canvas.width > canvas.height) {
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canvas.height *= canvasDimensionLimit / canvas.width;
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canvas.width = canvasDimensionLimit;
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}
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else {
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canvas.width *= canvasDimensionLimit / canvas.height;
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canvas.height = canvasDimensionLimit;
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}
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}
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else if (canvas.width > canvasDimensionLimit) {
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canvas.height *= canvasDimensionLimit / canvas.width;
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canvas.width = canvasDimensionLimit;
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}
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else {
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canvas.width *= canvasDimensionLimit / canvas.height;
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canvas.height = canvasDimensionLimit;
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}
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}
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}
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function canvasToBlob(canvas, options) {
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if (options === void 0) { options = {}; }
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if (canvas.toBlob) {
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return new Promise(function (resolve) {
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canvas.toBlob(resolve, options.type ? options.type : 'image/png', options.quality ? options.quality : 1);
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});
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}
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return new Promise(function (resolve) {
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var binaryString = window.atob(canvas
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.toDataURL(options.type ? options.type : undefined, options.quality ? options.quality : undefined)
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.split(',')[1]);
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var len = binaryString.length;
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var binaryArray = new Uint8Array(len);
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for (var i = 0; i < len; i += 1) {
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binaryArray[i] = binaryString.charCodeAt(i);
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}
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resolve(new Blob([binaryArray], {
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type: options.type ? options.type : 'image/png',
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}));
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});
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}
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function createImage(url) {
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return new Promise(function (resolve, reject) {
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var img = new Image();
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img.onload = function () {
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img.decode().then(function () {
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requestAnimationFrame(function () { return resolve(img); });
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});
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};
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img.onerror = reject;
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img.crossOrigin = 'anonymous';
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img.decoding = 'async';
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img.src = url;
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});
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}
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function svgToDataURL(svg) {
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return __awaiter(this, void 0, void 0, function () {
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return __generator(this, function (_a) {
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return [2 /*return*/, Promise.resolve()
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.then(function () { return new XMLSerializer().serializeToString(svg); })
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.then(encodeURIComponent)
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.then(function (html) { return "data:image/svg+xml;charset=utf-8,".concat(html); })];
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});
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});
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}
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function nodeToDataURL(node, width, height) {
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return __awaiter(this, void 0, void 0, function () {
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var xmlns, svg, foreignObject;
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return __generator(this, function (_a) {
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xmlns = 'http://www.w3.org/2000/svg';
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svg = document.createElementNS(xmlns, 'svg');
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foreignObject = document.createElementNS(xmlns, 'foreignObject');
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svg.setAttribute('width', "".concat(width));
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svg.setAttribute('height', "".concat(height));
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svg.setAttribute('viewBox', "0 0 ".concat(width, " ").concat(height));
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foreignObject.setAttribute('width', '100%');
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foreignObject.setAttribute('height', '100%');
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foreignObject.setAttribute('x', '0');
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foreignObject.setAttribute('y', '0');
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foreignObject.setAttribute('externalResourcesRequired', 'true');
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svg.appendChild(foreignObject);
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foreignObject.appendChild(node);
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return [2 /*return*/, svgToDataURL(svg)];
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});
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});
|
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}
|
|
var isInstanceOfElement = function (node, instance) {
|
|
if (node instanceof instance)
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|
return true;
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|
var nodePrototype = Object.getPrototypeOf(node);
|
|
if (nodePrototype === null)
|
|
return false;
|
|
return (nodePrototype.constructor.name === instance.name ||
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isInstanceOfElement(nodePrototype, instance));
|
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};
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|
|
function formatCSSText(style) {
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var content = style.getPropertyValue('content');
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return "".concat(style.cssText, " content: '").concat(content.replace(/'|"/g, ''), "';");
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}
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|
function formatCSSProperties(style, options) {
|
|
return getStyleProperties(options)
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.map(function (name) {
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var value = style.getPropertyValue(name);
|
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var priority = style.getPropertyPriority(name);
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return "".concat(name, ": ").concat(value).concat(priority ? ' !important' : '', ";");
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})
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.join(' ');
|
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}
|
|
function getPseudoElementStyle(className, pseudo, style, options) {
|
|
var selector = ".".concat(className, ":").concat(pseudo);
|
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var cssText = style.cssText
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? formatCSSText(style)
|
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: formatCSSProperties(style, options);
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return document.createTextNode("".concat(selector, "{").concat(cssText, "}"));
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}
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function clonePseudoElement(nativeNode, clonedNode, pseudo, options) {
|
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var style = window.getComputedStyle(nativeNode, pseudo);
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var content = style.getPropertyValue('content');
|
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if (content === '' || content === 'none') {
|
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return;
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}
|
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var className = uuid();
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try {
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clonedNode.className = "".concat(clonedNode.className, " ").concat(className);
|
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}
|
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catch (err) {
|
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return;
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}
|
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var styleElement = document.createElement('style');
|
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styleElement.appendChild(getPseudoElementStyle(className, pseudo, style, options));
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clonedNode.appendChild(styleElement);
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}
|
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function clonePseudoElements(nativeNode, clonedNode, options) {
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clonePseudoElement(nativeNode, clonedNode, ':before', options);
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clonePseudoElement(nativeNode, clonedNode, ':after', options);
|
|
}
|
|
|
|
var WOFF = 'application/font-woff';
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|
var JPEG = 'image/jpeg';
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|
var mimes = {
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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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|
webp: 'image/webp',
|
|
};
|
|
function getExtension(url) {
|
|
var match = /\.([^./]*?)$/g.exec(url);
|
|
return match ? match[1] : '';
|
|
}
|
|
function getMimeType(url) {
|
|
var extension = getExtension(url).toLowerCase();
|
|
return mimes[extension] || '';
|
|
}
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|
|
|
function shouldLog$1(options, level) {
|
|
var _a;
|
|
var logLevel = (_a = options === null || options === void 0 ? void 0 : options.logLevel) !== null && _a !== void 0 ? _a : 'error';
|
|
if (logLevel === 'silent')
|
|
return false;
|
|
if (logLevel === 'debug')
|
|
return true;
|
|
return level === 'error';
|
|
}
|
|
function logDebug$1(options) {
|
|
var args = [];
|
|
for (var _i = 1; _i < arguments.length; _i++) {
|
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args[_i - 1] = arguments[_i];
|
|
}
|
|
if (shouldLog$1(options, 'debug')) {
|
|
// eslint-disable-next-line no-console
|
|
console.debug.apply(console, args);
|
|
}
|
|
}
|
|
function getContentFromDataUrl(dataURL) {
|
|
return dataURL.split(/,/)[1];
|
|
}
|
|
function isDataUrl(url) {
|
|
return url.search(/^(data:)/) !== -1;
|
|
}
|
|
function makeDataUrl(content, mimeType) {
|
|
return "data:".concat(mimeType, ";base64,").concat(content);
|
|
}
|
|
function fetchAsDataURL(url, init, process) {
|
|
return __awaiter(this, void 0, void 0, function () {
|
|
var res, blob;
|
|
return __generator(this, function (_a) {
|
|
switch (_a.label) {
|
|
case 0: return [4 /*yield*/, fetch(url, init)];
|
|
case 1:
|
|
res = _a.sent();
|
|
if (res.status === 404) {
|
|
throw new Error("Resource \"".concat(res.url, "\" not found"));
|
|
}
|
|
return [4 /*yield*/, res.blob()];
|
|
case 2:
|
|
blob = _a.sent();
|
|
return [2 /*return*/, new Promise(function (resolve, reject) {
|
|
var reader = new FileReader();
|
|
reader.onerror = reject;
|
|
reader.onloadend = function () {
|
|
try {
|
|
resolve(process({ res: res, result: reader.result }));
|
|
}
|
|
catch (error) {
|
|
reject(error);
|
|
}
|
|
};
|
|
reader.readAsDataURL(blob);
|
|
})];
|
|
}
|
|
});
|
|
});
|
|
}
|
|
var cache = {};
|
|
function getCacheKey(url, contentType, includeQueryParams) {
|
|
var key = url.replace(/\?.*/, '');
|
|
if (includeQueryParams) {
|
|
key = url;
|
|
}
|
|
// font resource
|
|
if (/ttf|otf|eot|woff2?/i.test(key)) {
|
|
key = key.replace(/.*\//, '');
|
|
}
|
|
return contentType ? "[".concat(contentType, "]").concat(key) : key;
|
|
}
|
|
function resourceToDataURL(resourceUrl, contentType, options) {
|
|
return __awaiter(this, void 0, void 0, function () {
|
|
var cacheKey, dataURL, content, error_1, msg;
|
|
return __generator(this, function (_a) {
|
|
switch (_a.label) {
|
|
case 0:
|
|
cacheKey = getCacheKey(resourceUrl, contentType, options.includeQueryParams);
|
|
if (cache[cacheKey] != null) {
|
|
return [2 /*return*/, cache[cacheKey]];
|
|
}
|
|
// ref: https://developer.mozilla.org/en/docs/Web/API/XMLHttpRequest/Using_XMLHttpRequest#Bypassing_the_cache
|
|
if (options.cacheBust) {
|
|
// eslint-disable-next-line no-param-reassign
|
|
resourceUrl += (/\?/.test(resourceUrl) ? '&' : '?') + new Date().getTime();
|
|
}
|
|
_a.label = 1;
|
|
case 1:
|
|
_a.trys.push([1, 3, , 4]);
|
|
return [4 /*yield*/, fetchAsDataURL(resourceUrl, options.fetchRequestInit, function (_a) {
|
|
var res = _a.res, result = _a.result;
|
|
if (!contentType) {
|
|
// eslint-disable-next-line no-param-reassign
|
|
contentType = res.headers.get('Content-Type') || '';
|
|
}
|
|
return getContentFromDataUrl(result);
|
|
})];
|
|
case 2:
|
|
content = _a.sent();
|
|
dataURL = makeDataUrl(content, contentType);
|
|
return [3 /*break*/, 4];
|
|
case 3:
|
|
error_1 = _a.sent();
|
|
dataURL = options.imagePlaceholder || '';
|
|
msg = "Failed to fetch resource: ".concat(resourceUrl);
|
|
if (error_1) {
|
|
msg = typeof error_1 === 'string' ? error_1 : error_1.message;
|
|
}
|
|
if (msg) {
|
|
// Expected on many sites due to CORS; don't spam logs unless debugging.
|
|
logDebug$1(options, msg);
|
|
}
|
|
return [3 /*break*/, 4];
|
|
case 4:
|
|
cache[cacheKey] = dataURL;
|
|
return [2 /*return*/, dataURL];
|
|
}
|
|
});
|
|
});
|
|
}
|
|
|
|
function cloneCanvasElement(canvas) {
|
|
return __awaiter(this, void 0, void 0, function () {
|
|
var dataURL;
|
|
return __generator(this, function (_a) {
|
|
dataURL = canvas.toDataURL();
|
|
if (dataURL === 'data:,') {
|
|
return [2 /*return*/, canvas.cloneNode(false)];
|
|
}
|
|
return [2 /*return*/, createImage(dataURL)];
|
|
});
|
|
});
|
|
}
|
|
function cloneVideoElement(video, options) {
|
|
return __awaiter(this, void 0, void 0, function () {
|
|
var canvas, ctx, dataURL_1, poster, contentType, dataURL;
|
|
return __generator(this, function (_a) {
|
|
switch (_a.label) {
|
|
case 0:
|
|
if (video.currentSrc) {
|
|
canvas = document.createElement('canvas');
|
|
ctx = canvas.getContext('2d');
|
|
canvas.width = video.clientWidth;
|
|
canvas.height = video.clientHeight;
|
|
ctx === null || ctx === void 0 ? void 0 : ctx.drawImage(video, 0, 0, canvas.width, canvas.height);
|
|
dataURL_1 = canvas.toDataURL();
|
|
return [2 /*return*/, createImage(dataURL_1)];
|
|
}
|
|
poster = video.poster;
|
|
contentType = getMimeType(poster);
|
|
return [4 /*yield*/, resourceToDataURL(poster, contentType, options)];
|
|
case 1:
|
|
dataURL = _a.sent();
|
|
return [2 /*return*/, createImage(dataURL)];
|
|
}
|
|
});
|
|
});
|
|
}
|
|
function cloneIFrameElement(iframe, options) {
|
|
var _a;
|
|
return __awaiter(this, void 0, void 0, function () {
|
|
return __generator(this, function (_c) {
|
|
switch (_c.label) {
|
|
case 0:
|
|
_c.trys.push([0, 3, , 4]);
|
|
if (!((_a = iframe === null || iframe === void 0 ? void 0 : iframe.contentDocument) === null || _a === void 0 ? void 0 : _a.body)) return [3 /*break*/, 2];
|
|
return [4 /*yield*/, cloneNode(iframe.contentDocument.body, options, true)];
|
|
case 1: return [2 /*return*/, (_c.sent())];
|
|
case 2: return [3 /*break*/, 4];
|
|
case 3:
|
|
_c.sent();
|
|
return [3 /*break*/, 4];
|
|
case 4: return [2 /*return*/, iframe.cloneNode(false)];
|
|
}
|
|
});
|
|
});
|
|
}
|
|
function cloneSingleNode(node, options) {
|
|
return __awaiter(this, void 0, void 0, function () {
|
|
return __generator(this, function (_a) {
|
|
if (isInstanceOfElement(node, HTMLCanvasElement)) {
|
|
return [2 /*return*/, cloneCanvasElement(node)];
|
|
}
|
|
if (isInstanceOfElement(node, HTMLVideoElement)) {
|
|
return [2 /*return*/, cloneVideoElement(node, options)];
|
|
}
|
|
if (isInstanceOfElement(node, HTMLIFrameElement)) {
|
|
return [2 /*return*/, cloneIFrameElement(node, options)];
|
|
}
|
|
return [2 /*return*/, node.cloneNode(isSVGElement(node))];
|
|
});
|
|
});
|
|
}
|
|
var isSlotElement = function (node) {
|
|
return node.tagName != null && node.tagName.toUpperCase() === 'SLOT';
|
|
};
|
|
var isSVGElement = function (node) {
|
|
return node.tagName != null && node.tagName.toUpperCase() === 'SVG';
|
|
};
|
|
function cloneChildren(nativeNode, clonedNode, options) {
|
|
var _a, _b;
|
|
return __awaiter(this, void 0, void 0, function () {
|
|
var children;
|
|
return __generator(this, function (_c) {
|
|
switch (_c.label) {
|
|
case 0:
|
|
if (isSVGElement(clonedNode)) {
|
|
return [2 /*return*/, clonedNode];
|
|
}
|
|
children = [];
|
|
if (isSlotElement(nativeNode) && nativeNode.assignedNodes) {
|
|
children = toArray(nativeNode.assignedNodes());
|
|
}
|
|
else if (isInstanceOfElement(nativeNode, HTMLIFrameElement) &&
|
|
((_a = nativeNode.contentDocument) === null || _a === void 0 ? void 0 : _a.body)) {
|
|
children = toArray(nativeNode.contentDocument.body.childNodes);
|
|
}
|
|
else {
|
|
children = toArray(((_b = nativeNode.shadowRoot) !== null && _b !== void 0 ? _b : nativeNode).childNodes);
|
|
}
|
|
if (children.length === 0 ||
|
|
isInstanceOfElement(nativeNode, HTMLVideoElement)) {
|
|
return [2 /*return*/, clonedNode];
|
|
}
|
|
return [4 /*yield*/, children.reduce(function (deferred, child) {
|
|
return deferred
|
|
.then(function () { return cloneNode(child, options); })
|
|
.then(function (clonedChild) {
|
|
if (clonedChild) {
|
|
clonedNode.appendChild(clonedChild);
|
|
}
|
|
});
|
|
}, Promise.resolve())];
|
|
case 1:
|
|
_c.sent();
|
|
return [2 /*return*/, clonedNode];
|
|
}
|
|
});
|
|
});
|
|
}
|
|
function cloneCSSStyle(nativeNode, clonedNode, options) {
|
|
var targetStyle = clonedNode.style;
|
|
if (!targetStyle) {
|
|
return;
|
|
}
|
|
var sourceStyle = window.getComputedStyle(nativeNode);
|
|
if (sourceStyle.cssText) {
|
|
targetStyle.cssText = sourceStyle.cssText;
|
|
targetStyle.transformOrigin = sourceStyle.transformOrigin;
|
|
}
|
|
else {
|
|
getStyleProperties(options).forEach(function (name) {
|
|
var value = sourceStyle.getPropertyValue(name);
|
|
if (isInstanceOfElement(nativeNode, HTMLIFrameElement) &&
|
|
name === 'display' &&
|
|
value === 'inline') {
|
|
value = 'block';
|
|
}
|
|
if (name === 'd' && clonedNode.getAttribute('d')) {
|
|
value = "path(".concat(clonedNode.getAttribute('d'), ")");
|
|
}
|
|
targetStyle.setProperty(name, value, sourceStyle.getPropertyPriority(name));
|
|
});
|
|
}
|
|
}
|
|
function cloneInputValue(nativeNode, clonedNode) {
|
|
if (isInstanceOfElement(nativeNode, HTMLTextAreaElement)) {
|
|
clonedNode.innerHTML = nativeNode.value;
|
|
}
|
|
if (isInstanceOfElement(nativeNode, HTMLInputElement)) {
|
|
clonedNode.setAttribute('value', nativeNode.value);
|
|
}
|
|
}
|
|
function cloneSelectValue(nativeNode, clonedNode) {
|
|
if (isInstanceOfElement(nativeNode, HTMLSelectElement)) {
|
|
var clonedSelect = clonedNode;
|
|
var selectedOption = Array.from(clonedSelect.children).find(function (child) { return nativeNode.value === child.getAttribute('value'); });
|
|
if (selectedOption) {
|
|
selectedOption.setAttribute('selected', '');
|
|
}
|
|
}
|
|
}
|
|
function decorate(nativeNode, clonedNode, options) {
|
|
if (isInstanceOfElement(clonedNode, Element)) {
|
|
cloneCSSStyle(nativeNode, clonedNode, options);
|
|
clonePseudoElements(nativeNode, clonedNode, options);
|
|
cloneInputValue(nativeNode, clonedNode);
|
|
cloneSelectValue(nativeNode, clonedNode);
|
|
}
|
|
return clonedNode;
|
|
}
|
|
function ensureSVGSymbols(clone, options) {
|
|
return __awaiter(this, void 0, void 0, function () {
|
|
var uses, processedDefs, i, use, id, exist, definition, _a, _b, nodes, ns, svg, defs, i;
|
|
return __generator(this, function (_c) {
|
|
switch (_c.label) {
|
|
case 0:
|
|
uses = clone.querySelectorAll ? clone.querySelectorAll('use') : [];
|
|
if (uses.length === 0) {
|
|
return [2 /*return*/, clone];
|
|
}
|
|
processedDefs = {};
|
|
i = 0;
|
|
_c.label = 1;
|
|
case 1:
|
|
if (!(i < uses.length)) return [3 /*break*/, 4];
|
|
use = uses[i];
|
|
id = use.getAttribute('xlink:href');
|
|
if (!id) return [3 /*break*/, 3];
|
|
exist = clone.querySelector(id);
|
|
definition = document.querySelector(id);
|
|
if (!(!exist && definition && !processedDefs[id])) return [3 /*break*/, 3];
|
|
// eslint-disable-next-line no-await-in-loop
|
|
_a = processedDefs;
|
|
_b = id;
|
|
return [4 /*yield*/, cloneNode(definition, options, true)];
|
|
case 2:
|
|
// eslint-disable-next-line no-await-in-loop
|
|
_a[_b] = (_c.sent());
|
|
_c.label = 3;
|
|
case 3:
|
|
i++;
|
|
return [3 /*break*/, 1];
|
|
case 4:
|
|
nodes = Object.values(processedDefs);
|
|
if (nodes.length) {
|
|
ns = 'http://www.w3.org/1999/xhtml';
|
|
svg = document.createElementNS(ns, 'svg');
|
|
svg.setAttribute('xmlns', ns);
|
|
svg.style.position = 'absolute';
|
|
svg.style.width = '0';
|
|
svg.style.height = '0';
|
|
svg.style.overflow = 'hidden';
|
|
svg.style.display = 'none';
|
|
defs = document.createElementNS(ns, 'defs');
|
|
svg.appendChild(defs);
|
|
for (i = 0; i < nodes.length; i++) {
|
|
defs.appendChild(nodes[i]);
|
|
}
|
|
clone.appendChild(svg);
|
|
}
|
|
return [2 /*return*/, clone];
|
|
}
|
|
});
|
|
});
|
|
}
|
|
function cloneNode(node, options, isRoot) {
|
|
return __awaiter(this, void 0, void 0, function () {
|
|
return __generator(this, function (_a) {
|
|
if (!isRoot && options.filter && !options.filter(node)) {
|
|
return [2 /*return*/, null];
|
|
}
|
|
return [2 /*return*/, Promise.resolve(node)
|
|
.then(function (clonedNode) { return cloneSingleNode(clonedNode, options); })
|
|
.then(function (clonedNode) { return cloneChildren(node, clonedNode, options); })
|
|
.then(function (clonedNode) { return decorate(node, clonedNode, options); })
|
|
.then(function (clonedNode) { return ensureSVGSymbols(clonedNode, options); })];
|
|
});
|
|
});
|
|
}
|
|
|
|
var URL_REGEX = /url\((['"]?)([^'"]+?)\1\)/g;
|
|
var URL_WITH_FORMAT_REGEX = /url\([^)]+\)\s*format\((["']?)([^"']+)\1\)/g;
|
|
var FONT_SRC_REGEX = /src:\s*(?:url\([^)]+\)\s*format\([^)]+\)[,;]\s*)+/g;
|
|
function toRegex(url) {
|
|
// eslint-disable-next-line no-useless-escape
|
|
var escaped = url.replace(/([.*+?^${}()|\[\]\/\\])/g, '\\$1');
|
|
return new RegExp("(url\\(['\"]?)(".concat(escaped, ")(['\"]?\\))"), 'g');
|
|
}
|
|
function parseURLs(cssText) {
|
|
var urls = [];
|
|
cssText.replace(URL_REGEX, function (raw, quotation, url) {
|
|
urls.push(url);
|
|
return raw;
|
|
});
|
|
return urls.filter(function (url) { return !isDataUrl(url); });
|
|
}
|
|
function embed(cssText, resourceURL, baseURL, options, getContentFromUrl) {
|
|
return __awaiter(this, void 0, void 0, function () {
|
|
var resolvedURL, contentType, dataURL, content;
|
|
return __generator(this, function (_a) {
|
|
switch (_a.label) {
|
|
case 0:
|
|
_a.trys.push([0, 5, , 6]);
|
|
resolvedURL = baseURL ? resolveUrl(resourceURL, baseURL) : resourceURL;
|
|
contentType = getMimeType(resourceURL);
|
|
dataURL = void 0;
|
|
if (!getContentFromUrl) return [3 /*break*/, 2];
|
|
return [4 /*yield*/, getContentFromUrl(resolvedURL)];
|
|
case 1:
|
|
content = _a.sent();
|
|
dataURL = makeDataUrl(content, contentType);
|
|
return [3 /*break*/, 4];
|
|
case 2: return [4 /*yield*/, resourceToDataURL(resolvedURL, contentType, options)];
|
|
case 3:
|
|
dataURL = _a.sent();
|
|
_a.label = 4;
|
|
case 4: return [2 /*return*/, cssText.replace(toRegex(resourceURL), "$1".concat(dataURL, "$3"))];
|
|
case 5:
|
|
_a.sent();
|
|
return [3 /*break*/, 6];
|
|
case 6: return [2 /*return*/, cssText];
|
|
}
|
|
});
|
|
});
|
|
}
|
|
function filterPreferredFontFormat(str, _a) {
|
|
var preferredFontFormat = _a.preferredFontFormat;
|
|
return !preferredFontFormat
|
|
? str
|
|
: str.replace(FONT_SRC_REGEX, function (match) {
|
|
// eslint-disable-next-line no-constant-condition
|
|
while (true) {
|
|
var _a = URL_WITH_FORMAT_REGEX.exec(match) || [], src = _a[0], format = _a[2];
|
|
if (!format) {
|
|
return '';
|
|
}
|
|
if (format === preferredFontFormat) {
|
|
return "src: ".concat(src, ";");
|
|
}
|
|
}
|
|
});
|
|
}
|
|
function shouldEmbed(url) {
|
|
return url.search(URL_REGEX) !== -1;
|
|
}
|
|
function embedResources(cssText, baseUrl, options) {
|
|
return __awaiter(this, void 0, void 0, function () {
|
|
var filteredCSSText, urls;
|
|
return __generator(this, function (_a) {
|
|
if (!shouldEmbed(cssText)) {
|
|
return [2 /*return*/, cssText];
|
|
}
|
|
filteredCSSText = filterPreferredFontFormat(cssText, options);
|
|
urls = parseURLs(filteredCSSText);
|
|
return [2 /*return*/, urls.reduce(function (deferred, url) {
|
|
return deferred.then(function (css) { return embed(css, url, baseUrl, options); });
|
|
}, Promise.resolve(filteredCSSText))];
|
|
});
|
|
});
|
|
}
|
|
|
|
function embedProp(propName, node, options) {
|
|
var _a;
|
|
return __awaiter(this, void 0, void 0, function () {
|
|
var propValue, cssString;
|
|
return __generator(this, function (_b) {
|
|
switch (_b.label) {
|
|
case 0:
|
|
propValue = (_a = node.style) === null || _a === void 0 ? void 0 : _a.getPropertyValue(propName);
|
|
if (!propValue) return [3 /*break*/, 2];
|
|
return [4 /*yield*/, embedResources(propValue, null, options)];
|
|
case 1:
|
|
cssString = _b.sent();
|
|
node.style.setProperty(propName, cssString, node.style.getPropertyPriority(propName));
|
|
return [2 /*return*/, true];
|
|
case 2: return [2 /*return*/, false];
|
|
}
|
|
});
|
|
});
|
|
}
|
|
function embedBackground(clonedNode, options) {
|
|
return __awaiter(this, void 0, void 0, function () {
|
|
var _a, _b, _c, _d;
|
|
return __generator(this, function (_e) {
|
|
switch (_e.label) {
|
|
case 0:
|
|
return [4 /*yield*/, embedProp('background', clonedNode, options)];
|
|
case 1:
|
|
_a = (_e.sent());
|
|
if (_a) return [3 /*break*/, 3];
|
|
return [4 /*yield*/, embedProp('background-image', clonedNode, options)];
|
|
case 2:
|
|
_a = (_e.sent());
|
|
_e.label = 3;
|
|
case 3:
|
|
return [4 /*yield*/, embedProp('mask', clonedNode, options)];
|
|
case 4:
|
|
_d = (_e.sent());
|
|
if (_d) return [3 /*break*/, 6];
|
|
return [4 /*yield*/, embedProp('-webkit-mask', clonedNode, options)];
|
|
case 5:
|
|
_d = (_e.sent());
|
|
_e.label = 6;
|
|
case 6:
|
|
_c = _d;
|
|
if (_c) return [3 /*break*/, 8];
|
|
return [4 /*yield*/, embedProp('mask-image', clonedNode, options)];
|
|
case 7:
|
|
_c = (_e.sent());
|
|
_e.label = 8;
|
|
case 8:
|
|
_b = _c;
|
|
if (_b) return [3 /*break*/, 10];
|
|
return [4 /*yield*/, embedProp('-webkit-mask-image', clonedNode, options)];
|
|
case 9:
|
|
_b = (_e.sent());
|
|
_e.label = 10;
|
|
case 10:
|
|
return [2 /*return*/];
|
|
}
|
|
});
|
|
});
|
|
}
|
|
function embedImageNode(clonedNode, options) {
|
|
return __awaiter(this, void 0, void 0, function () {
|
|
var isImageElement, url, dataURL;
|
|
return __generator(this, function (_a) {
|
|
switch (_a.label) {
|
|
case 0:
|
|
isImageElement = isInstanceOfElement(clonedNode, HTMLImageElement);
|
|
if (!(isImageElement && !isDataUrl(clonedNode.src)) &&
|
|
!(isInstanceOfElement(clonedNode, SVGImageElement) &&
|
|
!isDataUrl(clonedNode.href.baseVal))) {
|
|
return [2 /*return*/];
|
|
}
|
|
url = isImageElement ? clonedNode.src : clonedNode.href.baseVal;
|
|
return [4 /*yield*/, resourceToDataURL(url, getMimeType(url), options)];
|
|
case 1:
|
|
dataURL = _a.sent();
|
|
return [4 /*yield*/, new Promise(function (resolve, reject) {
|
|
clonedNode.onload = resolve;
|
|
clonedNode.onerror = options.onImageErrorHandler
|
|
? function () {
|
|
var attributes = [];
|
|
for (var _i = 0; _i < arguments.length; _i++) {
|
|
attributes[_i] = arguments[_i];
|
|
}
|
|
try {
|
|
resolve(options.onImageErrorHandler.apply(options, attributes));
|
|
}
|
|
catch (error) {
|
|
reject(error);
|
|
}
|
|
}
|
|
: reject;
|
|
var image = clonedNode;
|
|
if (image.decode) {
|
|
image.decode = resolve;
|
|
}
|
|
if (image.loading === 'lazy') {
|
|
image.loading = 'eager';
|
|
}
|
|
if (isImageElement) {
|
|
clonedNode.srcset = '';
|
|
clonedNode.src = dataURL;
|
|
}
|
|
else {
|
|
clonedNode.href.baseVal = dataURL;
|
|
}
|
|
})];
|
|
case 2:
|
|
_a.sent();
|
|
return [2 /*return*/];
|
|
}
|
|
});
|
|
});
|
|
}
|
|
function embedChildren(clonedNode, options) {
|
|
return __awaiter(this, void 0, void 0, function () {
|
|
var children, deferreds;
|
|
return __generator(this, function (_a) {
|
|
switch (_a.label) {
|
|
case 0:
|
|
children = toArray(clonedNode.childNodes);
|
|
deferreds = children.map(function (child) { return embedImages(child, options); });
|
|
return [4 /*yield*/, Promise.all(deferreds).then(function () { return clonedNode; })];
|
|
case 1:
|
|
_a.sent();
|
|
return [2 /*return*/];
|
|
}
|
|
});
|
|
});
|
|
}
|
|
function embedImages(clonedNode, options) {
|
|
return __awaiter(this, void 0, void 0, function () {
|
|
return __generator(this, function (_a) {
|
|
switch (_a.label) {
|
|
case 0:
|
|
if (!isInstanceOfElement(clonedNode, Element)) return [3 /*break*/, 4];
|
|
return [4 /*yield*/, embedBackground(clonedNode, options)];
|
|
case 1:
|
|
_a.sent();
|
|
return [4 /*yield*/, embedImageNode(clonedNode, options)];
|
|
case 2:
|
|
_a.sent();
|
|
return [4 /*yield*/, embedChildren(clonedNode, options)];
|
|
case 3:
|
|
_a.sent();
|
|
_a.label = 4;
|
|
case 4: return [2 /*return*/];
|
|
}
|
|
});
|
|
});
|
|
}
|
|
|
|
function applyStyle(node, options) {
|
|
var style = node.style;
|
|
if (options.backgroundColor) {
|
|
style.backgroundColor = options.backgroundColor;
|
|
}
|
|
if (options.width) {
|
|
style.width = "".concat(options.width, "px");
|
|
}
|
|
if (options.height) {
|
|
style.height = "".concat(options.height, "px");
|
|
}
|
|
var manual = options.style;
|
|
if (manual != null) {
|
|
Object.keys(manual).forEach(function (key) {
|
|
style[key] = manual[key];
|
|
});
|
|
}
|
|
return node;
|
|
}
|
|
|
|
function shouldLog(options, level) {
|
|
var _a;
|
|
var logLevel = (_a = options === null || options === void 0 ? void 0 : options.logLevel) !== null && _a !== void 0 ? _a : 'error';
|
|
if (logLevel === 'silent')
|
|
return false;
|
|
if (logLevel === 'debug')
|
|
return true;
|
|
return level === 'error';
|
|
}
|
|
function logDebug(options) {
|
|
var args = [];
|
|
for (var _i = 1; _i < arguments.length; _i++) {
|
|
args[_i - 1] = arguments[_i];
|
|
}
|
|
if (shouldLog(options, 'debug')) {
|
|
// eslint-disable-next-line no-console
|
|
console.debug.apply(console, args);
|
|
}
|
|
}
|
|
var cssFetchCache = {};
|
|
function fetchCSS(url) {
|
|
return __awaiter(this, void 0, void 0, function () {
|
|
var cache, res, cssText;
|
|
return __generator(this, function (_a) {
|
|
switch (_a.label) {
|
|
case 0:
|
|
cache = cssFetchCache[url];
|
|
if (cache != null) {
|
|
return [2 /*return*/, cache];
|
|
}
|
|
return [4 /*yield*/, fetch(url)];
|
|
case 1:
|
|
res = _a.sent();
|
|
return [4 /*yield*/, res.text()];
|
|
case 2:
|
|
cssText = _a.sent();
|
|
cache = { url: url, cssText: cssText };
|
|
cssFetchCache[url] = cache;
|
|
return [2 /*return*/, cache];
|
|
}
|
|
});
|
|
});
|
|
}
|
|
function embedFonts(data, options) {
|
|
return __awaiter(this, void 0, void 0, function () {
|
|
var cssText, regexUrl, fontLocs, loadFonts;
|
|
var _this = this;
|
|
return __generator(this, function (_a) {
|
|
cssText = data.cssText;
|
|
regexUrl = /url\(["']?([^"')]+)["']?\)/g;
|
|
fontLocs = cssText.match(/url\([^)]+\)/g) || [];
|
|
loadFonts = fontLocs.map(function (loc) { return __awaiter(_this, void 0, void 0, function () {
|
|
var url;
|
|
return __generator(this, function (_a) {
|
|
url = loc.replace(regexUrl, '$1');
|
|
if (!url.startsWith('https://')) {
|
|
url = new URL(url, data.url).href;
|
|
}
|
|
return [2 /*return*/, fetchAsDataURL(url, options.fetchRequestInit, function (_a) {
|
|
var result = _a.result;
|
|
cssText = cssText.replace(loc, "url(".concat(result, ")"));
|
|
return [loc, result];
|
|
})];
|
|
});
|
|
}); });
|
|
return [2 /*return*/, Promise.all(loadFonts).then(function () { return cssText; })];
|
|
});
|
|
});
|
|
}
|
|
function parseCSS(source) {
|
|
if (source == null) {
|
|
return [];
|
|
}
|
|
var result = [];
|
|
var commentsRegex = /(\/\*[\s\S]*?\*\/)/gi;
|
|
// strip out comments
|
|
var cssText = source.replace(commentsRegex, '');
|
|
// eslint-disable-next-line prefer-regex-literals
|
|
var keyframesRegex = new RegExp('((@.*?keyframes [\\s\\S]*?){([\\s\\S]*?}\\s*?)})', 'gi');
|
|
// eslint-disable-next-line no-constant-condition
|
|
while (true) {
|
|
var matches = keyframesRegex.exec(cssText);
|
|
if (matches === null) {
|
|
break;
|
|
}
|
|
result.push(matches[0]);
|
|
}
|
|
cssText = cssText.replace(keyframesRegex, '');
|
|
var importRegex = /@import[\s\S]*?url\([^)]*\)[\s\S]*?;/gi;
|
|
// to match css & media queries together
|
|
var combinedCSSRegex = '((\\s*?(?:\\/\\*[\\s\\S]*?\\*\\/)?\\s*?@media[\\s\\S]' +
|
|
'*?){([\\s\\S]*?)}\\s*?})|(([\\s\\S]*?){([\\s\\S]*?)})';
|
|
// unified regex
|
|
var unifiedRegex = new RegExp(combinedCSSRegex, 'gi');
|
|
// eslint-disable-next-line no-constant-condition
|
|
while (true) {
|
|
var matches = importRegex.exec(cssText);
|
|
if (matches === null) {
|
|
matches = unifiedRegex.exec(cssText);
|
|
if (matches === null) {
|
|
break;
|
|
}
|
|
else {
|
|
importRegex.lastIndex = unifiedRegex.lastIndex;
|
|
}
|
|
}
|
|
else {
|
|
unifiedRegex.lastIndex = importRegex.lastIndex;
|
|
}
|
|
result.push(matches[0]);
|
|
}
|
|
return result;
|
|
}
|
|
function getCSSRules(styleSheets, options) {
|
|
return __awaiter(this, void 0, void 0, function () {
|
|
var ret, deferreds;
|
|
return __generator(this, function (_a) {
|
|
ret = [];
|
|
deferreds = [];
|
|
// First loop inlines imports
|
|
styleSheets.forEach(function (sheet) {
|
|
if ('cssRules' in sheet) {
|
|
try {
|
|
toArray(sheet.cssRules || []).forEach(function (item, index) {
|
|
if (item.type === CSSRule.IMPORT_RULE) {
|
|
var importIndex_1 = index + 1;
|
|
var url = item.href;
|
|
var deferred = fetchCSS(url)
|
|
.then(function (metadata) { return embedFonts(metadata, options); })
|
|
.then(function (cssText) {
|
|
return parseCSS(cssText).forEach(function (rule) {
|
|
try {
|
|
sheet.insertRule(rule, rule.startsWith('@import')
|
|
? (importIndex_1 += 1)
|
|
: sheet.cssRules.length);
|
|
}
|
|
catch (error) {
|
|
logDebug(options, 'Error inserting rule from remote css', {
|
|
rule: rule,
|
|
error: error,
|
|
});
|
|
}
|
|
});
|
|
})
|
|
.catch(function (e) {
|
|
var _a, _b;
|
|
logDebug(options, 'Error loading remote css', (_b = (_a = e === null || e === void 0 ? void 0 : e.toString) === null || _a === void 0 ? void 0 : _a.call(e)) !== null && _b !== void 0 ? _b : String(e));
|
|
});
|
|
deferreds.push(deferred);
|
|
}
|
|
});
|
|
}
|
|
catch (e) {
|
|
var inline_1 = styleSheets.find(function (a) { return a.href == null; }) || document.styleSheets[0];
|
|
if (sheet.href != null) {
|
|
deferreds.push(fetchCSS(sheet.href)
|
|
.then(function (metadata) { return embedFonts(metadata, options); })
|
|
.then(function (cssText) {
|
|
return parseCSS(cssText).forEach(function (rule) {
|
|
inline_1.insertRule(rule, inline_1.cssRules.length);
|
|
});
|
|
})
|
|
.catch(function (err) {
|
|
logDebug(options, 'Error loading remote stylesheet', err);
|
|
}));
|
|
}
|
|
logDebug(options, 'Error inlining remote css file', e);
|
|
}
|
|
}
|
|
});
|
|
return [2 /*return*/, Promise.all(deferreds).then(function () {
|
|
// Second loop parses rules
|
|
styleSheets.forEach(function (sheet) {
|
|
if ('cssRules' in sheet) {
|
|
try {
|
|
toArray(sheet.cssRules || []).forEach(function (item) {
|
|
ret.push(item);
|
|
});
|
|
}
|
|
catch (e) {
|
|
// Usually a CORS-protected stylesheet; not actionable for end users.
|
|
logDebug(options, "Error while reading CSS rules from ".concat(sheet.href), e);
|
|
}
|
|
}
|
|
});
|
|
return ret;
|
|
})];
|
|
});
|
|
});
|
|
}
|
|
function getWebFontRules(cssRules) {
|
|
return cssRules
|
|
.filter(function (rule) { return rule.type === CSSRule.FONT_FACE_RULE; })
|
|
.filter(function (rule) { return shouldEmbed(rule.style.getPropertyValue('src')); });
|
|
}
|
|
function parseWebFontRules(node, options) {
|
|
return __awaiter(this, void 0, void 0, function () {
|
|
var styleSheets, cssRules;
|
|
return __generator(this, function (_a) {
|
|
switch (_a.label) {
|
|
case 0:
|
|
if (node.ownerDocument == null) {
|
|
throw new Error('Provided element is not within a Document');
|
|
}
|
|
styleSheets = toArray(node.ownerDocument.styleSheets);
|
|
return [4 /*yield*/, getCSSRules(styleSheets, options)];
|
|
case 1:
|
|
cssRules = _a.sent();
|
|
return [2 /*return*/, getWebFontRules(cssRules)];
|
|
}
|
|
});
|
|
});
|
|
}
|
|
function normalizeFontFamily(font) {
|
|
return font.trim().replace(/["']/g, '');
|
|
}
|
|
function getUsedFonts(node) {
|
|
var fonts = new Set();
|
|
function traverse(node) {
|
|
var fontFamily = node.style.fontFamily || getComputedStyle(node).fontFamily;
|
|
fontFamily.split(',').forEach(function (font) {
|
|
fonts.add(normalizeFontFamily(font));
|
|
});
|
|
Array.from(node.children).forEach(function (child) {
|
|
if (child instanceof HTMLElement) {
|
|
traverse(child);
|
|
}
|
|
});
|
|
}
|
|
traverse(node);
|
|
return fonts;
|
|
}
|
|
function getWebFontCSS(node, options) {
|
|
return __awaiter(this, void 0, void 0, function () {
|
|
var rules, usedFonts, cssTexts;
|
|
return __generator(this, function (_a) {
|
|
switch (_a.label) {
|
|
case 0: return [4 /*yield*/, parseWebFontRules(node, options)];
|
|
case 1:
|
|
rules = _a.sent();
|
|
usedFonts = getUsedFonts(node);
|
|
return [4 /*yield*/, Promise.all(rules
|
|
.filter(function (rule) {
|
|
return usedFonts.has(normalizeFontFamily(rule.style.fontFamily));
|
|
})
|
|
.map(function (rule) {
|
|
var baseUrl = rule.parentStyleSheet
|
|
? rule.parentStyleSheet.href
|
|
: null;
|
|
return embedResources(rule.cssText, baseUrl, options);
|
|
}))];
|
|
case 2:
|
|
cssTexts = _a.sent();
|
|
return [2 /*return*/, cssTexts.join('\n')];
|
|
}
|
|
});
|
|
});
|
|
}
|
|
function embedWebFonts(clonedNode, options) {
|
|
return __awaiter(this, void 0, void 0, function () {
|
|
var cssText, _a, _b, styleNode, sytleContent;
|
|
return __generator(this, function (_c) {
|
|
switch (_c.label) {
|
|
case 0:
|
|
if (!(options.fontEmbedCSS != null)) return [3 /*break*/, 1];
|
|
_a = options.fontEmbedCSS;
|
|
return [3 /*break*/, 5];
|
|
case 1:
|
|
if (!options.skipFonts) return [3 /*break*/, 2];
|
|
_b = null;
|
|
return [3 /*break*/, 4];
|
|
case 2: return [4 /*yield*/, getWebFontCSS(clonedNode, options)];
|
|
case 3:
|
|
_b = _c.sent();
|
|
_c.label = 4;
|
|
case 4:
|
|
_a = _b;
|
|
_c.label = 5;
|
|
case 5:
|
|
cssText = _a;
|
|
if (cssText) {
|
|
styleNode = document.createElement('style');
|
|
sytleContent = document.createTextNode(cssText);
|
|
styleNode.appendChild(sytleContent);
|
|
if (clonedNode.firstChild) {
|
|
clonedNode.insertBefore(styleNode, clonedNode.firstChild);
|
|
}
|
|
else {
|
|
clonedNode.appendChild(styleNode);
|
|
}
|
|
}
|
|
return [2 /*return*/];
|
|
}
|
|
});
|
|
});
|
|
}
|
|
|
|
function toSvg(node, options) {
|
|
if (options === void 0) { options = {}; }
|
|
return __awaiter(this, void 0, void 0, function () {
|
|
var _a, width, height, clonedNode, datauri;
|
|
return __generator(this, function (_b) {
|
|
switch (_b.label) {
|
|
case 0:
|
|
_a = getImageSize(node, options), width = _a.width, height = _a.height;
|
|
return [4 /*yield*/, cloneNode(node, options, true)];
|
|
case 1:
|
|
clonedNode = (_b.sent());
|
|
return [4 /*yield*/, embedWebFonts(clonedNode, options)];
|
|
case 2:
|
|
_b.sent();
|
|
return [4 /*yield*/, embedImages(clonedNode, options)];
|
|
case 3:
|
|
_b.sent();
|
|
applyStyle(clonedNode, options);
|
|
return [4 /*yield*/, nodeToDataURL(clonedNode, width, height)];
|
|
case 4:
|
|
datauri = _b.sent();
|
|
return [2 /*return*/, datauri];
|
|
}
|
|
});
|
|
});
|
|
}
|
|
function toCanvas(node, options) {
|
|
if (options === void 0) { options = {}; }
|
|
return __awaiter(this, void 0, void 0, function () {
|
|
var _a, width, height, svg, img, canvas, context, ratio, canvasWidth, canvasHeight;
|
|
return __generator(this, function (_b) {
|
|
switch (_b.label) {
|
|
case 0:
|
|
_a = getImageSize(node, options), width = _a.width, height = _a.height;
|
|
return [4 /*yield*/, toSvg(node, options)];
|
|
case 1:
|
|
svg = _b.sent();
|
|
return [4 /*yield*/, createImage(svg)];
|
|
case 2:
|
|
img = _b.sent();
|
|
canvas = document.createElement('canvas');
|
|
context = canvas.getContext('2d');
|
|
ratio = options.pixelRatio || getPixelRatio();
|
|
canvasWidth = options.canvasWidth || width;
|
|
canvasHeight = options.canvasHeight || height;
|
|
canvas.width = canvasWidth * ratio;
|
|
canvas.height = canvasHeight * ratio;
|
|
if (!options.skipAutoScale) {
|
|
checkCanvasDimensions(canvas);
|
|
}
|
|
canvas.style.width = "".concat(canvasWidth, "px");
|
|
canvas.style.height = "".concat(canvasHeight, "px");
|
|
if (options.backgroundColor) {
|
|
context.fillStyle = options.backgroundColor;
|
|
context.fillRect(0, 0, canvas.width, canvas.height);
|
|
}
|
|
context.drawImage(img, 0, 0, canvas.width, canvas.height);
|
|
return [2 /*return*/, canvas];
|
|
}
|
|
});
|
|
});
|
|
}
|
|
function toPixelData(node, options) {
|
|
if (options === void 0) { options = {}; }
|
|
return __awaiter(this, void 0, void 0, function () {
|
|
var _a, width, height, canvas, ctx;
|
|
return __generator(this, function (_b) {
|
|
switch (_b.label) {
|
|
case 0:
|
|
_a = getImageSize(node, options), width = _a.width, height = _a.height;
|
|
return [4 /*yield*/, toCanvas(node, options)];
|
|
case 1:
|
|
canvas = _b.sent();
|
|
ctx = canvas.getContext('2d');
|
|
return [2 /*return*/, ctx.getImageData(0, 0, width, height).data];
|
|
}
|
|
});
|
|
});
|
|
}
|
|
function toPng(node, options) {
|
|
if (options === void 0) { options = {}; }
|
|
return __awaiter(this, void 0, void 0, function () {
|
|
var canvas;
|
|
return __generator(this, function (_a) {
|
|
switch (_a.label) {
|
|
case 0: return [4 /*yield*/, toCanvas(node, options)];
|
|
case 1:
|
|
canvas = _a.sent();
|
|
return [2 /*return*/, canvas.toDataURL()];
|
|
}
|
|
});
|
|
});
|
|
}
|
|
function toJpeg(node, options) {
|
|
if (options === void 0) { options = {}; }
|
|
return __awaiter(this, void 0, void 0, function () {
|
|
var canvas;
|
|
return __generator(this, function (_a) {
|
|
switch (_a.label) {
|
|
case 0: return [4 /*yield*/, toCanvas(node, options)];
|
|
case 1:
|
|
canvas = _a.sent();
|
|
return [2 /*return*/, canvas.toDataURL('image/jpeg', options.quality || 1)];
|
|
}
|
|
});
|
|
});
|
|
}
|
|
function toBlob(node, options) {
|
|
if (options === void 0) { options = {}; }
|
|
return __awaiter(this, void 0, void 0, function () {
|
|
var canvas, blob;
|
|
return __generator(this, function (_a) {
|
|
switch (_a.label) {
|
|
case 0: return [4 /*yield*/, toCanvas(node, options)];
|
|
case 1:
|
|
canvas = _a.sent();
|
|
return [4 /*yield*/, canvasToBlob(canvas)];
|
|
case 2:
|
|
blob = _a.sent();
|
|
return [2 /*return*/, blob];
|
|
}
|
|
});
|
|
});
|
|
}
|
|
function getFontEmbedCSS(node, options) {
|
|
if (options === void 0) { options = {}; }
|
|
return __awaiter(this, void 0, void 0, function () {
|
|
return __generator(this, function (_a) {
|
|
return [2 /*return*/, getWebFontCSS(node, options)];
|
|
});
|
|
});
|
|
}
|
|
|
|
exports.getFontEmbedCSS = getFontEmbedCSS;
|
|
exports.toBlob = toBlob;
|
|
exports.toCanvas = toCanvas;
|
|
exports.toJpeg = toJpeg;
|
|
exports.toPixelData = toPixelData;
|
|
exports.toPng = toPng;
|
|
exports.toSvg = toSvg;
|
|
|
|
}));
|
|
//# sourceMappingURL=html-to-image.js.map
|