| 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181 | "use strict";var __assign = (this && this.__assign) || function () {    __assign = Object.assign || function(t) {        for (var s, i = 1, n = arguments.length; i < n; i++) {            s = arguments[i];            for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))                t[p] = s[p];        }        return t;    };    return __assign.apply(this, arguments);};var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }    return new (P || (P = Promise))(function (resolve, reject) {        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }        step((generator = generator.apply(thisArg, _arguments || [])).next());    });};var __generator = (this && this.__generator) || function (thisArg, body) {    var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;    return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;    function verb(n) { return function (v) { return step([n, v]); }; }    function step(op) {        if (f) throw new TypeError("Generator is already executing.");        while (_) try {            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;            if (y = 0, t) op = [op[0] & 2, t.value];            switch (op[0]) {                case 0: case 1: t = op; break;                case 4: _.label++; return { value: op[1], done: false };                case 5: _.label++; y = op[1]; op = [0]; continue;                case 7: op = _.ops.pop(); _.trys.pop(); continue;                default:                    if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }                    if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }                    if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }                    if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }                    if (t[2]) _.ops.pop();                    _.trys.pop(); continue;            }            op = body.call(thisArg, _);        } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }        if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };    }};Object.defineProperty(exports, "__esModule", { value: true });var bounds_1 = require("./css/layout/bounds");var color_1 = require("./css/types/color");var document_cloner_1 = require("./dom/document-cloner");var node_parser_1 = require("./dom/node-parser");var cache_storage_1 = require("./core/cache-storage");var canvas_renderer_1 = require("./render/canvas/canvas-renderer");var foreignobject_renderer_1 = require("./render/canvas/foreignobject-renderer");var context_1 = require("./core/context");var html2canvas = function (element, options) {    if (options === void 0) { options = {}; }    return renderElement(element, options);};exports.default = html2canvas;if (typeof window !== 'undefined') {    cache_storage_1.CacheStorage.setContext(window);}var renderElement = function (element, opts) { return __awaiter(void 0, void 0, void 0, function () {    var ownerDocument, defaultView, resourceOptions, contextOptions, windowOptions, windowBounds, context, foreignObjectRendering, cloneOptions, documentCloner, clonedElement, container, _a, width, height, left, top, backgroundColor, renderOptions, canvas, renderer, root, renderer;    var _b, _c, _d, _e, _f, _g, _h, _j, _k, _l, _m, _o, _p, _q, _r, _s, _t;    return __generator(this, function (_u) {        switch (_u.label) {            case 0:                if (!element || typeof element !== 'object') {                    return [2 /*return*/, Promise.reject('Invalid element provided as first argument')];                }                ownerDocument = element.ownerDocument;                if (!ownerDocument) {                    throw new Error("Element is not attached to a Document");                }                defaultView = ownerDocument.defaultView;                if (!defaultView) {                    throw new Error("Document is not attached to a Window");                }                resourceOptions = {                    allowTaint: (_b = opts.allowTaint) !== null && _b !== void 0 ? _b : false,                    imageTimeout: (_c = opts.imageTimeout) !== null && _c !== void 0 ? _c : 15000,                    proxy: opts.proxy,                    useCORS: (_d = opts.useCORS) !== null && _d !== void 0 ? _d : false                };                contextOptions = __assign({ logging: (_e = opts.logging) !== null && _e !== void 0 ? _e : true, cache: opts.cache }, resourceOptions);                windowOptions = {                    windowWidth: (_f = opts.windowWidth) !== null && _f !== void 0 ? _f : defaultView.innerWidth,                    windowHeight: (_g = opts.windowHeight) !== null && _g !== void 0 ? _g : defaultView.innerHeight,                    scrollX: (_h = opts.scrollX) !== null && _h !== void 0 ? _h : defaultView.pageXOffset,                    scrollY: (_j = opts.scrollY) !== null && _j !== void 0 ? _j : defaultView.pageYOffset                };                windowBounds = new bounds_1.Bounds(windowOptions.scrollX, windowOptions.scrollY, windowOptions.windowWidth, windowOptions.windowHeight);                context = new context_1.Context(contextOptions, windowBounds);                foreignObjectRendering = (_k = opts.foreignObjectRendering) !== null && _k !== void 0 ? _k : false;                cloneOptions = {                    allowTaint: (_l = opts.allowTaint) !== null && _l !== void 0 ? _l : false,                    onclone: opts.onclone,                    ignoreElements: opts.ignoreElements,                    inlineImages: foreignObjectRendering,                    copyStyles: foreignObjectRendering                };                context.logger.debug("Starting document clone with size " + windowBounds.width + "x" + windowBounds.height + " scrolled to " + -windowBounds.left + "," + -windowBounds.top);                documentCloner = new document_cloner_1.DocumentCloner(context, element, cloneOptions);                clonedElement = documentCloner.clonedReferenceElement;                if (!clonedElement) {                    return [2 /*return*/, Promise.reject("Unable to find element in cloned iframe")];                }                return [4 /*yield*/, documentCloner.toIFrame(ownerDocument, windowBounds)];            case 1:                container = _u.sent();                _a = node_parser_1.isBodyElement(clonedElement) || node_parser_1.isHTMLElement(clonedElement)                    ? bounds_1.parseDocumentSize(clonedElement.ownerDocument)                    : bounds_1.parseBounds(context, clonedElement), width = _a.width, height = _a.height, left = _a.left, top = _a.top;                backgroundColor = parseBackgroundColor(context, clonedElement, opts.backgroundColor);                renderOptions = {                    canvas: opts.canvas,                    backgroundColor: backgroundColor,                    scale: (_o = (_m = opts.scale) !== null && _m !== void 0 ? _m : defaultView.devicePixelRatio) !== null && _o !== void 0 ? _o : 1,                    x: ((_p = opts.x) !== null && _p !== void 0 ? _p : 0) + left,                    y: ((_q = opts.y) !== null && _q !== void 0 ? _q : 0) + top,                    width: (_r = opts.width) !== null && _r !== void 0 ? _r : Math.ceil(width),                    height: (_s = opts.height) !== null && _s !== void 0 ? _s : Math.ceil(height)                };                if (!foreignObjectRendering) return [3 /*break*/, 3];                context.logger.debug("Document cloned, using foreign object rendering");                renderer = new foreignobject_renderer_1.ForeignObjectRenderer(context, renderOptions);                return [4 /*yield*/, renderer.render(clonedElement)];            case 2:                canvas = _u.sent();                return [3 /*break*/, 5];            case 3:                context.logger.debug("Document cloned, element located at " + left + "," + top + " with size " + width + "x" + height + " using computed rendering");                context.logger.debug("Starting DOM parsing");                root = node_parser_1.parseTree(context, clonedElement);                if (backgroundColor === root.styles.backgroundColor) {                    root.styles.backgroundColor = color_1.COLORS.TRANSPARENT;                }                context.logger.debug("Starting renderer for element at " + renderOptions.x + "," + renderOptions.y + " with size " + renderOptions.width + "x" + renderOptions.height);                renderer = new canvas_renderer_1.CanvasRenderer(context, renderOptions);                return [4 /*yield*/, renderer.render(root)];            case 4:                canvas = _u.sent();                _u.label = 5;            case 5:                if ((_t = opts.removeContainer) !== null && _t !== void 0 ? _t : true) {                    if (!document_cloner_1.DocumentCloner.destroy(container)) {                        context.logger.error("Cannot detach cloned iframe as it is not in the DOM anymore");                    }                }                context.logger.debug("Finished rendering");                return [2 /*return*/, canvas];        }    });}); };var parseBackgroundColor = function (context, element, backgroundColorOverride) {    var ownerDocument = element.ownerDocument;    // http://www.w3.org/TR/css3-background/#special-backgrounds    var documentBackgroundColor = ownerDocument.documentElement        ? color_1.parseColor(context, getComputedStyle(ownerDocument.documentElement).backgroundColor)        : color_1.COLORS.TRANSPARENT;    var bodyBackgroundColor = ownerDocument.body        ? color_1.parseColor(context, getComputedStyle(ownerDocument.body).backgroundColor)        : color_1.COLORS.TRANSPARENT;    var defaultBackgroundColor = typeof backgroundColorOverride === 'string'        ? color_1.parseColor(context, backgroundColorOverride)        : backgroundColorOverride === null            ? color_1.COLORS.TRANSPARENT            : 0xffffffff;    return element === ownerDocument.documentElement        ? color_1.isTransparent(documentBackgroundColor)            ? color_1.isTransparent(bodyBackgroundColor)                ? defaultBackgroundColor                : bodyBackgroundColor            : documentBackgroundColor        : defaultBackgroundColor;};//# sourceMappingURL=index.js.map
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