import getStyleComputedProperty from './getStyleComputedProperty';
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import isIE from './isIE';
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/**
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* Finds the first parent of an element that has a transformed property defined
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* @method
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* @memberof Popper.Utils
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* @argument {Element} element
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* @returns {Element} first transformed parent or documentElement
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*/
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export default function getFixedPositionOffsetParent(element) {
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// This check is needed to avoid errors in case one of the elements isn't defined for any reason
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if (!element || !element.parentElement || isIE()) {
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return document.documentElement;
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}
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let el = element.parentElement;
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while (el && getStyleComputedProperty(el, 'transform') === 'none') {
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el = el.parentElement;
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}
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return el || document.documentElement;
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}
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