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1(function() {
2  var SOURCES = window.TEXT_VARIABLES.sources;
3
4  window.Lazyload.js(SOURCES.jquery, function() {
5    var $pageMask = $('.js-page-mask');
6    var $pageRoot = $('.js-page-root');
7    var $pageMain = $('.js-page-main');
8    var $sidebarShow = $('.js-sidebar-show');
9    var $sidebarHide = $('.js-sidebar-hide');
10
11    function freeze(e) {
12      if (e.target === $pageMask[0]) {
13        e.preventDefault();
14      }
15    }
16    function stopBodyScrolling(bool) {
17      if (bool === true) {
18        window.addEventListener('touchmove', freeze, { passive: false });
19      } else {
20        window.removeEventListener('touchmove', freeze, { passive: false });
21      }
22    }
23
24    $sidebarShow.on('click', function() {
25      stopBodyScrolling(true); $pageRoot.addClass('show-sidebar');
26    });
27    $sidebarHide.on('click', function() {
28      stopBodyScrolling(false); $pageRoot.removeClass('show-sidebar');
29    });
30  });
31})();