22 lines
870 B
JavaScript
22 lines
870 B
JavaScript
import isWindow from 'dom-helpers/query/isWindow';
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import ownerDocument from 'dom-helpers/ownerDocument';
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import ownerWindow from '../utils/ownerWindow';
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export function isBody(node) {
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return node && node.tagName.toLowerCase() === 'body';
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} // Do we have a scroll bar?
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export default function isOverflowing(container) {
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const doc = ownerDocument(container);
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const win = ownerWindow(doc);
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/* istanbul ignore next */
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if (!isWindow(doc) && !isBody(container)) {
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return container.scrollHeight > container.clientHeight;
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} // Takes in account potential non zero margin on the body.
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const style = win.getComputedStyle(doc.body);
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const marginLeft = parseInt(style.getPropertyValue('margin-left'), 10);
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const marginRight = parseInt(style.getPropertyValue('margin-right'), 10);
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return marginLeft + doc.body.clientWidth + marginRight < win.innerWidth;
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} |