Sha256: 9a00150f282a3853008986668fcdd301425961d7738e5f4c322699b6ffbcd192
Contents?: true
Size: 1.23 KB
Versions: 11
Compression:
Stored size: 1.23 KB
Contents
/**
* Determine whether an element is visible
* @method isHidden
* @memberof axe.utils
* @param {HTMLElement} el The HTMLElement
* @param {Boolean} recursed
* @return {Boolean} The element's visibilty status
*/
axe.utils.isHidden = function isHidden(el, recursed) {
'use strict';
const node = axe.utils.getNodeFromTree(el);
// 9 === Node.DOCUMENT
if (el.nodeType === 9) {
return false;
}
// 11 === Node.DOCUMENT_FRAGMENT_NODE
if (el.nodeType === 11) {
el = el.host; // grab the host Node
}
if (node && node._isHidden !== null) {
return node._isHidden;
}
const style = window.getComputedStyle(el, null);
if (
!style ||
(!el.parentNode ||
(style.getPropertyValue('display') === 'none' ||
(!recursed &&
// visibility is only accurate on the first element
style.getPropertyValue('visibility') === 'hidden') ||
el.getAttribute('aria-hidden') === 'true'))
) {
return true;
}
const parent = el.assignedSlot ? el.assignedSlot : el.parentNode;
const isHidden = axe.utils.isHidden(parent, true);
// cache the results of the isHidden check on the parent tree
// so we don't have to look at the parent tree again for all its
// descendants
if (node) {
node._isHidden = isHidden;
}
return isHidden;
};
Version data entries
11 entries across 11 versions & 1 rubygems