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($, Drupal, window, document) {\n  'use strict';\n\n  Drupal.behaviors.scrollspyCustomNav = {\n    attach: function scrollspyCustomNav(context, settings) {\n      if (typeof context['location'] !== 'undefined') {// Only fire on document load.\n        window.addEventListener('load', function() {\n          var anchorsToCreate = [];\n\n          // Get all direct children from first .node__content element OR layout builder sections (still using this just for backwards-compatibility with work done previously on MA)\n          var directChildren = $(`.block--main-page-content .node__content:first .pre-content-layout-region,\n                                  .block--main-page-content .node__content:first .main__wrapper > .container > .layout,\n                                  .block--main-page-content .node__content:first .post-content-layout-region,\n                                  .region-postfix,\n                                  .block--main-page-content .node__content:first`).children();\n\n          // Get all elements that have 'scroll-' at the start of its id\n          var scrollElements = $(`[id^=scroll-]`);\n\n          // Merge two array together while replacing duplicates\n          var elementsToTraverse = $.extend(directChildren, scrollElements);\n\n          // Iterate though elements needing to be traversed...\n          $.each(elementsToTraverse, (index, element) => {\n            if ($('#block-scrollspycontainerblock-degrees-program').length) {\n              if (!$(element).parent().hasClass('block--degrees-programs-scrollspy')) {\n                return;\n              }\n            }\n\n            var elementID = $(element).attr('id');\n\n            // If the current element has an ID attribute...\n            if (elementID !== undefined) {\n              // Find h2s, grab the first only (h2s may be nested within an element), and retrieve it's text\n              var h2Text = $(element).find('h2.field__label, .fieldset__legend h2, h2.block__title').first().text();\n\n              // If this element has an h2...\n              if (h2Text.length > 0) {\n                if (elementID == 'scroll-visit-department') {\n                  elementID = h2Text;\n                  h2Text = 'Visit Department';\n                }\n\n                if ($(element).parent().hasClass('block--degrees-programs-scrollspy')) {\n                  elementID = $(element).find('[id^=scroll-dp-]').first().text();\n                }\n\n                anchorsToCreate.push({ element, h2Text, elementID });\n              }\n            }\n          });\n\n          var isProgram = ($('body.page-node-type-program').length > 0) ? true : false;\n\n          // Building the markup\n          var builtMarkupString = `<div id=\"navbar-scrollspy\" class=\"navbar-scroll\">`;\n          builtMarkupString += `<div class=\"navbar-scroll-container container\">`;\n          builtMarkupString += `<div class=\"row\">`;\n\n          if (isProgram) {\n            builtMarkupString += `<div class=\"col col-md-6 col-lg-7 col-xl-8 headings\">`;\n          }\n          else {\n            builtMarkupString += `<div class=\"col-12 headings\">`;\n          }\n\n          var visitDepartmentMarkupString;\n\n          $.each(anchorsToCreate, (index, element) => {\n            if (element.h2Text == 'Visit Department') {\n              visitDepartmentMarkupString = `<a class=\"programs__department-button\" href=${element.elementID}>${element.h2Text.trim()}</a>`;\n            }\n            else {\n              if ($(element.element).parent().hasClass('block--degrees-programs-scrollspy')) {\n                builtMarkupString += `<a href=${element.elementID}>${element.h2Text.trim()}</a>`;\n              }\n              else {\n                // Add each anchor tag with its corresponding data to the built markup\n                builtMarkupString += `<a href=#${element.elementID}>${element.h2Text.trim()}</a>`;\n              }\n            }\n          });\n\n          var applyNowMarkupString = '<a class=\"programs__apply-now\" href=\"/apply\">Apply Now</a>';\n          var applyNowMobileMarkupString;\n\n          if (isProgram) {\n            if (visitDepartmentMarkupString) {\n              applyNowMobileMarkupString = `<div class=\"programs__apply-now--mobile-container\">${visitDepartmentMarkupString}<a class=\"programs__apply-now programs__apply-now--mobile\" href=\"/apply\">Apply Now</a></div>`;\n              builtMarkupString += `</div><div class=\"d-none d-md-block col-sm-7 col-md-6 col-lg-5 col-xl-4 action-buttons\">` +\n                                visitDepartmentMarkupString +\n                                applyNowMarkupString +\n                                '</div></div></div></div>' +\n                                applyNowMobileMarkupString;\n            }\n            else {\n              applyNowMobileMarkupString = '<div class=\"programs__apply-now--mobile-container\"><a class=\"programs__apply-now programs__apply-now--mobile\" href=\"/apply\">Apply Now</a></div>';\n              builtMarkupString += `</div><div class=\"d-none d-md-block col-sm-7 col-md-6 col-lg-5 col-xl-4 action-buttons\">` +\n                                applyNowMarkupString +\n                                '</div></div></div></div>' +\n                                applyNowMobileMarkupString;\n            }\n          }\n          else {\n            builtMarkupString += '</div></div></div>';\n          }\n\n          // Add the markup to the .region-content as the first direct child\n          $('#block-scrollspycontainerblock > .block__content, #block-scrollspycontainerblock-degrees-program > .block__content').first().prepend(builtMarkupString);\n\n          // Initialize scrollspy on the markup\n          var navbar = $('#navbar-scrollspy');\n\n          // Below is the functionality for the bar to scroll automatically on when links are out of the viewport but the component is within sight.\n          var offset = 25;\n          var anchorData = [];\n          window.anchorData = anchorData;\n          var anchors = $('.navbar-scroll-container  a');\n\n          // Checking if any anchors were found.\n          if (anchors.length > 0) {\n            $('.navbar-scroll-container').addClass('scroll-not-empty');\n          }\n\n          // Store each created anchor with its x position in the bar and its text.\n          $.each(anchors, (index, element) => {\n            window.anchorData.push({\n              element,\n              'x': $(element).position().left,\n              'text': $(element).text()\n            });\n          });\n\n          // Credits go to Colin Smith, taken from sidebar.js file.\n          // ------------------------------------------------------------\n          // On window load, get header and toolbar height (if logged in), and attach Zebra_Pin library to .region-scrollspy-container to be sticky.\n          var zp_nav_scrollspy = new $.Zebra_Pin($('.region-scrollspy-container'), {\n            z_index: 460,\n            top_spacing: calculateOffset() ,\n          });\n          if (document.querySelector('body').classList.contains('user-logged-in')) {\n            var scrollspy = new VanillaScrollspy(navbar[0], undefined, undefined, 0 - calculateLoggedInOffset());\n            scrollspy.recalculateFn = function() {return 0 - calculateLoggedInOffset()};\n          } else {\n            var scrollspy = new VanillaScrollspy(navbar[0], undefined, undefined, calculateLoggedOutOffset());\n            scrollspy.recalculateFn = function() {return calculateLoggedOutOffset() };\n          }\n          scrollspy.init();\n          window.scrollspy = scrollspy;\n        });\n\n        // Helper function used to detect if element is within the viewport.\n        // Credits go to Dan on StackOverflow:\n        // https://stackoverflow.com/questions/123999/how-can-i-tell-if-a-dom-element-is-visible-in-the-current-viewport/7557433#7557433\n        // ------------------------------------------------------------\n        function isElementInViewport (el) {\n          //special bonus for those using jQuery\n          if (typeof jQuery === \"function\" && el instanceof jQuery) {\n            el = el[0];\n          }\n\n          var rect = el.getBoundingClientRect();\n\n          return (\n            rect.top >= 0 &&\n            rect.left >= 0 &&\n            rect.bottom <= (window.innerHeight || document.documentElement.clientHeight) && /*or $(window).height() */\n            rect.right <= (window.innerWidth || document.documentElement.clientWidth) /*or $(window).width() */\n          );\n        }\n\n\n        // On window scroll...\n        function scrollSpyMobileScroll() {\n          // Grab the active anchors text.\n          var activeAnchorText = $('.navbar-scroll-container a.active').first().text();\n\n          // If active element exists...\n          if (activeAnchorText.length > 0) {\n            // Loop through created anchors and find the element in the array that has the active anchors text and store that element.\n            var xToScrollTo = window.anchorData.find(element => element.text == activeAnchorText);\n\n            // If an element was found from the loop above AND the element is not in the viewport...\n            if (xToScrollTo != undefined && !isElementInViewport($(xToScrollTo.element)[0])) {\n              // Scroll the bar to the position of the newly active anchor.\n              $('.navbar-scroll-container').stop(true, false).animate({scrollLeft: xToScrollTo.x - calculateLoggedOutOffset()}, 100);\n            }\n          }\n        };\n\n        // Debounce window scroll event.\n        var windowScroll;\n        window.onscroll = function() {\n          clearTimeout(windowScroll);\n          windowScroll = setTimeout(scrollSpyMobileScroll(), 100);\n        };\n      }\n    }\n  };\n  function calculateOffset($=jQuery) {\n    var hasFixedAdminToolbar = $('body').hasClass('toolbar-fixed');\n    var adminToolbarHeight = (hasFixedAdminToolbar) ? parseInt($('body').css('padding-top'), 10) : 0;\n    var preHeaderOffsetHeight = $('.region-navigation').outerHeight();\n    var preMobileHeaderOffsetHeight = $('.region-mobile-navigation').outerHeight();\n    var topOffset = ($('.region-navigation').is(':visible')) ? adminToolbarHeight + preHeaderOffsetHeight : adminToolbarHeight + preMobileHeaderOffsetHeight;\n    return topOffset;\n  }\n  function calculateLoggedInOffset() {\n    //scrollspy bar\n    return getHeightIfIdExists('block-views-block-contextual-banner') +\n    getHeightIfIdExists('toolbar-bar') +\n    getHeightIfIdExists('toolbar-item-administration-tray') +\n    getHeightIfClassExists('.region-header .messages') +\n    getHeightIfIdExists('block-views-block-alerts-information-alert-block') -\n    getHeightIfIdExists('block-mount-allison-local-tasks');\n  }\n\n  function calculateLoggedOutOffset() {\n    return getHeightIfClassExists('.region-navigation') +\n    getHeightIfIdExists('navbar-scrollspy');\n  }\n\n  function getHeightIfIdExists(str) {\n    let ele = document.getElementById(str);\n    if (ele) {\n      return ele.clientHeight;\n    } else {\n      return 0;\n    }\n  }\n\n  function getHeightIfClassExists(str) {\n    let ele = document.querySelector(str);\n    if (ele) {\n      return ele.clientHeight;\n    } else {\n      return 0;\n    }\n  }\n\n})(jQuery, Drupal, window, document);\n"],"names":[],"version":3,"file":"scrollspyCustomNav.js.map"}