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node_modules/html2canvas/dist/lib/dom/node-parser.js
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142
node_modules/html2canvas/dist/lib/dom/node-parser.js
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"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.isCustomElement = exports.isSlotElement = exports.isSelectElement = exports.isTextareaElement = exports.isScriptElement = exports.isStyleElement = exports.isIFrameElement = exports.isImageElement = exports.isVideoElement = exports.isCanvasElement = exports.isBodyElement = exports.isSVGElement = exports.isHTMLElement = exports.isInputElement = exports.isOLElement = exports.isLIElement = exports.isSVGElementNode = exports.isHTMLElementNode = exports.isElementNode = exports.isTextNode = exports.parseTree = void 0;
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var element_container_1 = require("./element-container");
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var text_container_1 = require("./text-container");
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var image_element_container_1 = require("./replaced-elements/image-element-container");
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var canvas_element_container_1 = require("./replaced-elements/canvas-element-container");
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var svg_element_container_1 = require("./replaced-elements/svg-element-container");
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var li_element_container_1 = require("./elements/li-element-container");
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var ol_element_container_1 = require("./elements/ol-element-container");
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var input_element_container_1 = require("./replaced-elements/input-element-container");
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var select_element_container_1 = require("./elements/select-element-container");
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var textarea_element_container_1 = require("./elements/textarea-element-container");
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var iframe_element_container_1 = require("./replaced-elements/iframe-element-container");
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var LIST_OWNERS = ['OL', 'UL', 'MENU'];
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var parseNodeTree = function (context, node, parent, root) {
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for (var childNode = node.firstChild, nextNode = void 0; childNode; childNode = nextNode) {
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nextNode = childNode.nextSibling;
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if (exports.isTextNode(childNode) && childNode.data.trim().length > 0) {
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parent.textNodes.push(new text_container_1.TextContainer(context, childNode, parent.styles));
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}
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else if (exports.isElementNode(childNode)) {
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if (exports.isSlotElement(childNode) && childNode.assignedNodes) {
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childNode.assignedNodes().forEach(function (childNode) { return parseNodeTree(context, childNode, parent, root); });
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}
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else {
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var container = createContainer(context, childNode);
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if (container.styles.isVisible()) {
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if (createsRealStackingContext(childNode, container, root)) {
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container.flags |= 4 /* CREATES_REAL_STACKING_CONTEXT */;
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}
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else if (createsStackingContext(container.styles)) {
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container.flags |= 2 /* CREATES_STACKING_CONTEXT */;
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}
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if (LIST_OWNERS.indexOf(childNode.tagName) !== -1) {
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container.flags |= 8 /* IS_LIST_OWNER */;
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}
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parent.elements.push(container);
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childNode.slot;
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if (childNode.shadowRoot) {
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parseNodeTree(context, childNode.shadowRoot, container, root);
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}
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else if (!exports.isTextareaElement(childNode) &&
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!exports.isSVGElement(childNode) &&
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!exports.isSelectElement(childNode)) {
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parseNodeTree(context, childNode, container, root);
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}
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}
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}
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}
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}
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};
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var createContainer = function (context, element) {
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if (exports.isImageElement(element)) {
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return new image_element_container_1.ImageElementContainer(context, element);
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}
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if (exports.isCanvasElement(element)) {
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return new canvas_element_container_1.CanvasElementContainer(context, element);
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}
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if (exports.isSVGElement(element)) {
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return new svg_element_container_1.SVGElementContainer(context, element);
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}
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if (exports.isLIElement(element)) {
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return new li_element_container_1.LIElementContainer(context, element);
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}
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if (exports.isOLElement(element)) {
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return new ol_element_container_1.OLElementContainer(context, element);
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}
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if (exports.isInputElement(element)) {
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return new input_element_container_1.InputElementContainer(context, element);
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}
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if (exports.isSelectElement(element)) {
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return new select_element_container_1.SelectElementContainer(context, element);
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}
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if (exports.isTextareaElement(element)) {
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return new textarea_element_container_1.TextareaElementContainer(context, element);
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}
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if (exports.isIFrameElement(element)) {
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return new iframe_element_container_1.IFrameElementContainer(context, element);
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}
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return new element_container_1.ElementContainer(context, element);
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};
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var parseTree = function (context, element) {
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var container = createContainer(context, element);
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container.flags |= 4 /* CREATES_REAL_STACKING_CONTEXT */;
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parseNodeTree(context, element, container, container);
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return container;
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};
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exports.parseTree = parseTree;
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var createsRealStackingContext = function (node, container, root) {
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return (container.styles.isPositionedWithZIndex() ||
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container.styles.opacity < 1 ||
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container.styles.isTransformed() ||
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(exports.isBodyElement(node) && root.styles.isTransparent()));
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};
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var createsStackingContext = function (styles) { return styles.isPositioned() || styles.isFloating(); };
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var isTextNode = function (node) { return node.nodeType === Node.TEXT_NODE; };
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exports.isTextNode = isTextNode;
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var isElementNode = function (node) { return node.nodeType === Node.ELEMENT_NODE; };
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exports.isElementNode = isElementNode;
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var isHTMLElementNode = function (node) {
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return exports.isElementNode(node) && typeof node.style !== 'undefined' && !exports.isSVGElementNode(node);
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};
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exports.isHTMLElementNode = isHTMLElementNode;
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var isSVGElementNode = function (element) {
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return typeof element.className === 'object';
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};
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exports.isSVGElementNode = isSVGElementNode;
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var isLIElement = function (node) { return node.tagName === 'LI'; };
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exports.isLIElement = isLIElement;
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var isOLElement = function (node) { return node.tagName === 'OL'; };
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exports.isOLElement = isOLElement;
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var isInputElement = function (node) { return node.tagName === 'INPUT'; };
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exports.isInputElement = isInputElement;
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var isHTMLElement = function (node) { return node.tagName === 'HTML'; };
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exports.isHTMLElement = isHTMLElement;
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var isSVGElement = function (node) { return node.tagName === 'svg'; };
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exports.isSVGElement = isSVGElement;
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var isBodyElement = function (node) { return node.tagName === 'BODY'; };
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exports.isBodyElement = isBodyElement;
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var isCanvasElement = function (node) { return node.tagName === 'CANVAS'; };
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exports.isCanvasElement = isCanvasElement;
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var isVideoElement = function (node) { return node.tagName === 'VIDEO'; };
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exports.isVideoElement = isVideoElement;
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var isImageElement = function (node) { return node.tagName === 'IMG'; };
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exports.isImageElement = isImageElement;
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var isIFrameElement = function (node) { return node.tagName === 'IFRAME'; };
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exports.isIFrameElement = isIFrameElement;
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var isStyleElement = function (node) { return node.tagName === 'STYLE'; };
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exports.isStyleElement = isStyleElement;
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var isScriptElement = function (node) { return node.tagName === 'SCRIPT'; };
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exports.isScriptElement = isScriptElement;
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var isTextareaElement = function (node) { return node.tagName === 'TEXTAREA'; };
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exports.isTextareaElement = isTextareaElement;
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var isSelectElement = function (node) { return node.tagName === 'SELECT'; };
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exports.isSelectElement = isSelectElement;
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var isSlotElement = function (node) { return node.tagName === 'SLOT'; };
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exports.isSlotElement = isSlotElement;
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// https://html.spec.whatwg.org/multipage/custom-elements.html#valid-custom-element-name
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var isCustomElement = function (node) { return node.tagName.indexOf('-') > 0; };
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exports.isCustomElement = isCustomElement;
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//# sourceMappingURL=node-parser.js.map
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