all files / popper/utils/ getOffsetParent.js

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/**
 * Returns the offset parent of the given element
 * @method
 * @memberof Popper.Utils
 * @argument {Element} element
 * @returns {Element} offset parent
 */
export default function getOffsetParent(element) {
    // NOTE: 1 DOM access here
    const offsetParent = element.offsetParent;
    const nodeName = offsetParent && offsetParent.nodeName;
 
    if(!nodeName || nodeName === 'BODY' || nodeName === 'HTML') {
        return window.document.documentElement;
    }
 
    return offsetParent;
}