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Prevent generated iframe from getting re-rendered

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Niklas von Hertzen 2017-12-07 16:16:22 +08:00
parent 9db8580b97
commit 8b653f89bc
1 changed files with 5 additions and 1 deletions
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6
src/Clone.js
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@ -11,6 +11,8 @@ import {copyCSSStyles} from './Util';
import {parseBackgroundImage} from './parsing/background';
import CanvasRenderer from './renderer/CanvasRenderer';
const IGNORE_ATTRIBUTE = 'data-html2canvas-ignore';
export class DocumentCloner {
scrolledElements: Array<[HTMLElement, number, number]>;
referenceElement: HTMLElement;
@ -235,7 +237,8 @@ export class DocumentCloner {
for (let child = node.firstChild; child; child = child.nextSibling) {
if (
child.nodeType !== Node.ELEMENT_NODE ||
(child.nodeName !== 'SCRIPT' && !child.hasAttribute('data-html2canvas-ignore'))
// $FlowFixMe
(child.nodeName !== 'SCRIPT' && !child.hasAttribute(IGNORE_ATTRIBUTE))
) {
if (!this.copyStyles || child.nodeName !== 'STYLE') {
clone.appendChild(this.cloneNode(child));
@ -496,6 +499,7 @@ const createIframeContainer = (
cloneIframeContainer.width = bounds.width.toString();
cloneIframeContainer.height = bounds.height.toString();
cloneIframeContainer.scrolling = 'no'; // ios won't scroll without it
cloneIframeContainer.setAttribute(IGNORE_ATTRIBUTE, 'true');
if (!ownerDocument.body) {
return Promise.reject(
__DEV__ ? `Body element not found in Document that is getting rendered` : ''