// Author: Ray-Eldath // refer to: // - github.com/theme-next/hexo-theme-next/blob/master/source/js/src/utils.js

class utils {

static getContentVisibilityHeight() {
  var docHeight = $('.visible').height(),
    winHeight = $(window).height(),
    contentVisibilityHeight = (docHeight > winHeight) ? (docHeight - winHeight) : ($(document).height() - winHeight);
  return contentVisibilityHeight;
}

static isMobile() {
  return window.screen.width < 767;
}

}