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https://gerrit.wikimedia.org/r/mediawiki/extensions/DiscussionTools
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23 lines
449 B
JavaScript
23 lines
449 B
JavaScript
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'use strict';
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/**
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* Find closest ancestor element using one of the given tag names.
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*
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* @param {Node} el
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* @param {string[]} tagNames
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* @return {HTMLElement|null}
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*/
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function closestElement( el, tagNames ) {
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do {
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if ( el.nodeType === Node.ELEMENT_NODE && tagNames.indexOf( el.tagName.toLowerCase() ) !== -1 ) {
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return el;
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}
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el = el.parentNode;
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} while ( el );
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return null;
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}
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module.exports = {
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closestElement: closestElement
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};
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