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/* global Element */
/* eslint-disable consistent-return, max-len */
Element.prototype.closest = Element.prototype.closest || function closest(selector, selectedElement = this) {
if (!selectedElement) return;
return selectedElement.matches(selector) ? selectedElement : Element.prototype.closest(selector, selectedElement.parentElement);
};
/* eslint-disable */
/**
* .matches polyfill from mdn
* https://developer.mozilla.org/en-US/docs/Web/API/Element/matches
*
* .matches is used in our code.
* In order to run the tests in Phantomjs we need this polyfill
*/
if (!Element.prototype.matches) {
Element.prototype.matches =
Element.prototype.matchesSelector ||
Element.prototype.mozMatchesSelector ||
Element.prototype.msMatchesSelector ||
Element.prototype.oMatchesSelector ||
Element.prototype.webkitMatchesSelector ||
function (s) {
var matches = (this.document || this.ownerDocument).querySelectorAll(s),
i = matches.length;
while (--i >= 0 && matches.item(i) !== this) {}
return i > -1;
};
}
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