%PDF- %PDF-
Direktori : /var/www/html/node_modules/@popperjs/core/lib/dom-utils/ |
Current File : /var/www/html/node_modules/@popperjs/core/lib/dom-utils/getBoundingClientRect.js.flow |
// @flow import type { ClientRectObject, VirtualElement } from '../types'; import { isHTMLElement } from './instanceOf'; import { round } from '../utils/math'; export default function getBoundingClientRect( element: Element | VirtualElement, includeScale: boolean = false ): ClientRectObject { const rect = element.getBoundingClientRect(); let scaleX = 1; let scaleY = 1; if (isHTMLElement(element) && includeScale) { const offsetHeight = element.offsetHeight; const offsetWidth = element.offsetWidth; // Do not attempt to divide by 0, otherwise we get `Infinity` as scale // Fallback to 1 in case both values are `0` if (offsetWidth > 0) { scaleX = round(rect.width) / offsetWidth || 1; } if (offsetHeight > 0) { scaleY = round(rect.height) / offsetHeight || 1; } } return { width: rect.width / scaleX, height: rect.height / scaleY, top: rect.top / scaleY, right: rect.right / scaleX, bottom: rect.bottom / scaleY, left: rect.left / scaleX, x: rect.left / scaleX, y: rect.top / scaleY, }; }