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// @flowimport type { Rect } from '../types';import getDocumentElement from './getDocumentElement';import getComputedStyle from './getComputedStyle';import getWindowScrollBarX from './getWindowScrollBarX';import getWindowScroll from './getWindowScroll';import { max } from '../utils/math';
// Gets the entire size of the scrollable document area, even extending outside// of the `<html>` and `<body>` rect bounds if horizontally scrollableexport default function getDocumentRect(element: HTMLElement): Rect { const html = getDocumentElement(element); const winScroll = getWindowScroll(element); const body = element.ownerDocument?.body;
const width = max( html.scrollWidth, html.clientWidth, body ? body.scrollWidth : 0, body ? body.clientWidth : 0 ); const height = max( html.scrollHeight, html.clientHeight, body ? body.scrollHeight : 0, body ? body.clientHeight : 0 );
let x = -winScroll.scrollLeft + getWindowScrollBarX(element); const y = -winScroll.scrollTop;
if (getComputedStyle(body || html).direction === 'rtl') { x += max(html.clientWidth, body ? body.clientWidth : 0) - width; }
return { width, height, x, y };}
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