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/**
* @copyright Copyright (c) 2016 John Molakvoæ <skjnldsv@protonmail.com>
*
* @author John Molakvoæ <skjnldsv@protonmail.com>
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
// https://developer.mozilla.org/en-US/docs/Web/API/Element/closest#Polyfill
if (!Element.prototype.matches) {
Element.prototype.matches
= Element.prototype.msMatchesSelector
|| Element.prototype.webkitMatchesSelector
}
if (!Element.prototype.closest) {
Element.prototype.closest = function(s) {
let el = this
do {
if (el.matches(s)) return el
el = el.parentElement || el.parentNode
} while (el !== null && el.nodeType === 1)
return null
}
}
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