Acme.BookStore.HttpApi.Host/node_modules/popper.js/src/utils/getReferenceNode.js

微信扫码关注公众号，代码整理好后第一时间通知你。

/**
 * Returns the reference node of the reference object, or the reference object itself.
 * @method
 * @memberof Popper.Utils
 * @param {Element|Object} reference - the reference element (the popper will be relative to this)
 * @returns {Element} parent
 */
export default function getReferenceNode(reference) {
  return reference && reference.referenceNode ? reference.referenceNode : reference;
}