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/*
* SonarQube
* Copyright (C) 2009-2018 SonarSource SA
* mailto:info AT sonarsource DOT com
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
import $ from 'jquery';
$.fn.isolatedScroll = function() {
this.on('wheel', function(event) {
const delta = -event.originalEvent.deltaY;
const bottomOverflow = this.scrollTop + $(this).outerHeight() - this.scrollHeight >= 0;
const topOverflow = this.scrollTop <= 0;
if ((delta < 0 && bottomOverflow) || (delta > 0 && topOverflow)) {
event.preventDefault();
}
});
};
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