getWindowOf.js
601 Bytes
import global from '../shims/global.js';
/**
* Returns the global object associated with provided element.
*
* @param {Object} target
* @returns {Object}
*/
export default target => {
// Assume that the element is an instance of Node, which means that it
// has the "ownerDocument" property from which we can retrieve a
// corresponding global object.
const ownerGlobal = target && target.ownerDocument && target.ownerDocument.defaultView;
// Return the local global object if it's not possible extract one from
// provided element.
return ownerGlobal || global;
};