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