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eslint-disable-next-line max-lines-per-function\r\ndefine( [ 'utility' ], function run( utility ) {\r\n\t'use strict';\r\n\r\n\tvar mTabsFn = {\r\n\t\t// Default settings\r\n\t\tdefaults : {\r\n\t\t\tloadingText : FRAMEWORK.locale.settings.mTabs.loadingText,\r\n\t\t\ttabsPrimary : false,\r\n\t\t\ttabsLazy : false,\r\n\t\t\ttabsStatic : false,\r\n\t\t\toffset : 50, // 0px indent + 30px button + 5px space + 15px gradient\r\n\t\t\toffsetPrimaryMobile : 60, // 20px indent + 30px button - 10px so arrow aligns + 5px space + 15px gradient\r\n\t\t\toffsetPrimaryOther : 70, // 30px indent + 30px button - 10px so arrow aligns + 5px space + 15px gradient\r\n\t\t\tpreviousPage : FRAMEWORK.locale.settings.mTabs.previousText,\r\n\t\t\tnextPage : FRAMEWORK.locale.settings.mTabs.nextText,\r\n\t\t\tcarouselActive : false,\r\n\t\t\tscrollLock : false,\r\n\t\t\tdirection : {\r\n\t\t\t\tLeft : -1,\r\n\t\t\t\tArrowLeft : -1,\r\n\t\t\t\tRight : 1,\r\n\t\t\t\tArrowRight : 1,\r\n\t\t\t\tHome : 0,\r\n\t\t\t\tEnd : 0,\r\n\t\t\t},\r\n\t\t},\r\n\r\n\t\tinit : function( elm ) {\r\n\t\t\tvar tabsList;\r\n\r\n\t\t\tif ( !elm.classList.contains( 'js-m-tabs' ) ) {\r\n\t\t\t\telm.classList.add( 'js-m-tabs' );\r\n\r\n\t\t\t\telm.mTabs = {};\r\n\r\n\t\t\t\t// Set settings from defaults and any specified options\r\n\t\t\t\telm.mTabs.settings = utility.extend({}, mTabsFn.defaults, utility.getData( elm ) );\r\n\r\n\t\t\t\t// Set up markup, add a link to each control pointing to an id set on the following element and move into anchors div\r\n\t\t\t\telm.mTabs.tabsHeadings = Array.from( elm.querySelectorAll( '.m-tabs__heading' ) ).filter( function filterFn( heading ) {\r\n\t\t\t\t\treturn heading.closest( '.m-tabs' ) === elm && mTabsFn.filterParents( heading, 'm-tabs__content' ) === false;\r\n\t\t\t\t});\r\n\r\n\t\t\t\t// Catch primary tabs instance and set settings accordingly\r\n\t\t\t\tif ( elm.classList.contains( 'o-tabs-primary__tabs' ) ) {\r\n\t\t\t\t\telm.mTabs.settings.tabsPrimary = true;\r\n\t\t\t\t}\r\n\r\n\t\t\t\t// Catch subheadings and icon headings and add classes accordingly\r\n\t\t\t\telm.mTabs.tabsHeadings.forEach( function loop( heading ) {\r\n\t\t\t\t\tif ( heading.querySelectorAll( '.m-tabs__subheading' ).length > 0 ) {\r\n\t\t\t\t\t\telm.classList.add( 'm-tabs--subheadings' );\r\n\t\t\t\t\t} else if ( heading.querySelectorAll( '.m-tabs-icon' ).length > 0 ) {\r\n\t\t\t\t\t\telm.classList.add( 'm-tabs--icons' );\r\n\t\t\t\t\t}\r\n\t\t\t\t});\r\n\r\n\t\t\t\t// Catch links variants and set settings accordingly\r\n\t\t\t\tif ( elm.classList.contains( 'm-tabs--links' ) ) {\r\n\t\t\t\t\t// All links variants\r\n\t\t\t\t\ttabsList = elm.querySelector( '.m-tabs__list' );\r\n\t\t\t\t\ttabsList.remove();\r\n\t\t\t\t\telm.mTabs.tabsHeadings.forEach( function loop( heading, index ) {\r\n\t\t\t\t\t\tif ( !heading.getAttribute( 'href' ) ) {\r\n\t\t\t\t\t\t\telm.mTabs.tabsHeadings.splice( index, 1 );\r\n\t\t\t\t\t\t}\r\n\t\t\t\t\t\t// Or just remove the bloody thing altogether...\r\n\t\t\t\t\t});\r\n\t\t\t\t\tif ( elm.classList.contains( 'm-tabs--links-lazy' ) ) {\r\n\t\t\t\t\t\t// Set lazy links flag and set up accordingly\r\n\t\t\t\t\t\telm.mTabs.settings.tabsLazy = true;\r\n\t\t\t\t\t\tmTabsFn.tabsLazy( elm );\r\n\t\t\t\t\t} else {\r\n\t\t\t\t\t\t// Set static tabs flag\r\n\t\t\t\t\t\telm.mTabs.settings.tabsStatic = true;\r\n\t\t\t\t\t\tmTabsFn.tabsStatic( elm );\r\n\t\t\t\t\t}\r\n\t\t\t\t}\r\n\r\n\t\t\t\telm.mTabs.navList = [];\r\n\t\t\t\telm.mTabs.tabsHeadings.forEach( function loop( heading ) {\r\n\t\t\t\t\tvar elementID = heading.getAttribute( 'id' );\r\n\t\t\t\t\telm.mTabs.autoID = utility.makeId( 'm-tabs-' );\r\n\t\t\t\t\telm.mTabs.hrefID = '#' + elm.mTabs.autoID;\r\n\t\t\t\t\telm.mTabs.staticID = heading.getAttribute( 'href' );\r\n\r\n\t\t\t\t\tif ( elementID ) { // Pre-existing element ID, so use that instead\r\n\t\t\t\t\t\telm.mTabs.autoID = elementID;\r\n\t\t\t\t\t\telm.mTabs.hrefID = '#' + elm.mTabs.autoID;\r\n\t\t\t\t\t}\r\n\r\n\t\t\t\t\theading.removeAttribute( 'id' );\r\n\t\t\t\t\theading.classList.add( 'u-hidden--visually' );\r\n\r\n\t\t\t\t\tmTabsFn.setupControls( elm, heading );\r\n\r\n\r\n\t\t\t\t\tif ( !elm.mTabs.settings.tabsStatic ) {\r\n\t\t\t\t\t\theading.nextElementSibling.id = elm.mTabs.autoID;\r\n\t\t\t\t\t\theading.nextElementSibling.setAttribute( 'aria-hidden', 'true' );\r\n\t\t\t\t\t\theading.nextElementSibling.style.display = 'none';\r\n\t\t\t\t\t}\r\n\t\t\t\t});\r\n\r\n\t\t\t\t// Set up the heading controls\r\n\t\t\t\tmTabsFn.tabsMain( elm );\r\n\r\n\t\t\t\telm.mTabs.open = function open( targetId, scrollTo ) {\r\n\t\t\t\t\tvar parentsList,\r\n\t\t\t\t\t\tscrollParent,\r\n\t\t\t\t\t\tmoveTo,\r\n\t\t\t\t\t\tthisTabContent;\r\n\r\n\t\t\t\t\tif ( mTabsFn.openTab( elm, targetId ) ) {\r\n\t\t\t\t\t\tparentsList = utility.parents( elm, '.m-tabs__content' );\r\n\t\t\t\t\t\tparentsList.forEach( function parentLoop( parentEl ) {\r\n\t\t\t\t\t\t\tmTabsFn.openTab( parentEl.closest( '.js-m-tabs' ), '#' + parentEl.id );\r\n\t\t\t\t\t\t});\r\n\r\n\t\t\t\t\t\tif ( scrollTo ) {\r\n\t\t\t\t\t\t\tthisTabContent = elm.querySelector( targetId );\r\n\t\t\t\t\t\t\tscrollParent = utility.scrollParent( thisTabContent );\r\n\t\t\t\t\t\t\tmoveTo = thisTabContent.offsetTop - scrollParent.offsetTop;\r\n\r\n\t\t\t\t\t\t\tscrollParent.scrollTo( 0, moveTo );\r\n\t\t\t\t\t\t}\r\n\t\t\t\t\t}\r\n\t\t\t\t};\r\n\t\t\t}\r\n\t\t\treturn elm.mTabs;\r\n\t\t},\r\n\r\n\t\tsetupControls : function( elm, heading ) {\r\n\t\t\t// Generate a string 'dataAttrs' from the non-js links containing all data attributes for replacing in the control\r\n\t\t\tlet dataAttrs = '';\r\n\t\t\t// Data class variable depends on presence of dataset in dataAttrs\r\n\t\t\tlet dataClass = '';\r\n\t\t\t// Retain datasets for click tracking\r\n\t\t\tObject.keys( heading.dataset ).forEach( key => {\r\n\t\t\t\t// Fix hyphenated key names\r\n\t\t\t\tlet keyString = '';\r\n\t\t\t\t// Split data key into an array around uppercase with match if required\r\n\t\t\t\tlet tempArr = key.match( /[A-Za-z][a-z]+/g );\r\n\t\t\t\t// Concatenate and drop to lowercase - unless there is no split array in which case use key\r\n\t\t\t\tkeyString = tempArr === null ? keyString = key : keyString += 'data-' + tempArr.join( '-' ).toLowerCase();\r\n\t\t\t\t// Build the data attribute string for insertion\r\n\t\t\t\tdataAttrs += keyString + '=\"' + heading.dataset[ key ] + '\"';\r\n\t\t\t});\r\n\t\t\t// If dataAttrs contains dataset add data class to dataClass\r\n\t\t\tdataClass = dataAttrs.includes( 'data-dd-' ) ? dataClass = 'dd-data-link' : dataClass;\r\n\r\n\t\t\tif ( elm.mTabs.settings.tabsLazy === true && heading.classList.contains( 'js-m-tab-open' ) ) {\r\n\t\t\t\t// Lazy-load tabs open tab only - need standard link url, aria-controls and aria-selected, plus data-href for ajax load call\r\n\t\t\t\t// eslint-disable-next-line max-len\r\n\t\t\t\telm.mTabs.navList += '<li role=\"presentation\"><a class=\"m-tabs__control js-m-tab-open ' + dataClass + '\" href=\"' + elm.mTabs.hrefID + '\"' + dataAttrs + ' role=\"tab\" id=\"' + elm.mTabs.autoID + '-tab\" aria-controls=\"' + elm.mTabs.autoID + '\"  aria-selected=\"true\"><div class=\"m-tabs__control-inner\">' + heading.innerHTML + '</div></a></li>';\r\n\t\t\t} else if ( elm.mTabs.settings.tabsLazy === true ) {\r\n\t\t\t\t// Lazy-load tabs - need standard link url, aria-controls and aria-selected, plus data-href for ajax load call\r\n\t\t\t\t// eslint-disable-next-line max-len\r\n\t\t\t\telm.mTabs.navList += '<li role=\"presentation\"><a class=\"m-tabs__control ' + dataClass + '\" href=\"' + elm.mTabs.hrefID + '\"' + dataAttrs + ' role=\"tab\"  id=\"' + elm.mTabs.autoID + '-tab\" aria-controls=\"' + elm.mTabs.autoID + '\" aria-selected=\"false\"><div class=\"m-tabs__control-inner\">' + heading.innerHTML + '</div></a></li>';\r\n\t\t\t} else if ( elm.mTabs.settings.tabsStatic === true && heading.classList.contains( 'js-m-tab-open' ) ) {\r\n\t\t\t\t// Static tabs open tab only - needs skip link url but no aria-controls\r\n\t\t\t\t// eslint-disable-next-line max-len\r\n\t\t\t\telm.mTabs.navList += '<li role=\"presentation\"><a class=\"m-tabs__control js-m-tab-open ' + dataClass + '\" href=\"' + elm.mTabs.staticID + '\"' + dataAttrs + '><div class=\"m-tabs__control-inner\">' + heading.innerHTML + '</div></a></li>';\r\n\t\t\t} else if ( elm.mTabs.settings.tabsStatic === true ) {\r\n\t\t\t\t// Static tabs - need external link url but no aria-controls or aria-selected\r\n\t\t\t\t// eslint-disable-next-line max-len\r\n\t\t\t\telm.mTabs.navList += '<li role=\"presentation\"><a class=\"m-tabs__control ' + dataClass + '\" href=\"' + elm.mTabs.staticID + '\"' + dataAttrs + '><div class=\"m-tabs__control-inner\">' + heading.innerHTML + '</div></a></li>';\r\n\t\t\t} else if ( heading.classList.contains( 'js-m-tab-open' ) ) {\r\n\t\t\t\t// Standard tabs open tab only - need standard link url, aria-controls and aria-selected\r\n\t\t\t\t// eslint-disable-next-line max-len\r\n\t\t\t\telm.mTabs.navList += '<li role=\"presentation\"><a class=\"m-tabs__control js-m-tab-open ' + dataClass + '\" href=\"' + elm.mTabs.hrefID + '\"' + dataAttrs + ' role=\"tab\"  id=\"' + elm.mTabs.autoID + '-tab\" aria-controls=\"' + elm.mTabs.autoID + '\" aria-selected=\"true\"><div class=\"m-tabs__control-inner\">' + heading.innerHTML + '</div></a></li>';\r\n\t\t\t} else {\r\n\t\t\t\t// Standard tabs - need standard link url, aria-controls and aria-selected\r\n\t\t\t\t// eslint-disable-next-line max-len\r\n\t\t\t\telm.mTabs.navList += '<li role=\"presentation\"><a class=\"m-tabs__control ' + dataClass + '\" href=\"' + elm.mTabs.hrefID + '\"' + dataAttrs + ' role=\"tab\"  id=\"' + elm.mTabs.autoID + '-tab\" aria-controls=\"' + elm.mTabs.autoID + '\" aria-selected=\"false\"><div class=\"m-tabs__control-inner\">' + heading.innerHTML + '</div></a></li>';\r\n\t\t\t}\r\n\t\t},\r\n\r\n\t\tfilterParents : function( element, needle ) {\r\n\t\t\t// Check if the specified needle class is in the parents further up the DOM; if found, return true\r\n\t\t\tutility.parents( element ).forEach( function loop( parent ) {\r\n\t\t\t\treturn parent.classList.contains( needle );\r\n\t\t\t});\r\n\r\n\t\t\t// If not found, return false\r\n\t\t\treturn false;\r\n\t\t},\r\n\r\n\t\ttabsMain : function( elm ) {\r\n\t\t\t// Main part of function for all variants\r\n\t\t\tvar mainHeading,\r\n\t\t\t\taccentClassesArray,\r\n\t\t\t\taccentClasses;\r\n\r\n\t\t\telm.mTabs.tabsNav = document.createElement( 'div' );\r\n\t\t\telm.mTabs.tabsNav.classList.add( 'm-tabs__nav' );\r\n\r\n\t\t\t// Add accent colour background to match heading area for primary nav instances\r\n\t\t\tif ( elm.mTabs.settings.tabsPrimary === true ) {\r\n\t\t\t\tmainHeading = elm.parentNode.querySelectorAll( '.o-tabs-primary__heading' );\r\n\t\t\t\taccentClassesArray = Array.from( mainHeading[ 0 ].classList ).filter( function filterFn( classes ) {\r\n\t\t\t\t\treturn classes.indexOf( 't-accent' ) !== -1;\r\n\t\t\t\t});\r\n\t\t\t\tif ( accentClassesArray.length === 0 ) {\r\n\t\t\t\t\t// If no accent classes presset, set to white so the carousel elements colour correctly\r\n\t\t\t\t\taccentClassesArray = [ 't-accent-light', 't-accent-light--2' ];\r\n\t\t\t\t}\r\n\t\t\t\taccentClasses = ' ' + accentClassesArray.toString().replace( ',', ' ' );\r\n\t\t\t\tutility.addClass( elm.mTabs.tabsNav, accentClasses );\r\n\t\t\t}\r\n\r\n\t\t\t// Define and set up nav list, headings, controls and contents\r\n\t\t\tutility.wrapInner( elm.mTabs.tabsNav, utility.htmlStringToElement( '<ul class=\"m-tabs__nav-list a-list-plain\">' + elm.mTabs.navList + '</ul>' ) );\r\n\r\n\t\t\telm.insertBefore( elm.mTabs.tabsNav, elm.firstElementChild );\r\n\t\t\telm.mTabs.tabsNavList = elm.querySelector( '.m-tabs__nav-list' ); // Returns first instance, which is what we want anyway\r\n\t\t\telm.mTabs.tabsNavList.setAttribute( 'role', 'tablist' );\r\n\t\t\telm.mTabs.tabsNavList.setAttribute( 'tabindex', -1 ); // Set tabindex to -1 to stop Firefox allowing focus when its not needed\r\n\t\t\telm.mTabs.tabsListItems = elm.mTabs.tabsNavList.querySelectorAll( 'li' );\r\n\t\t\telm.mTabs.tabsCount = elm.mTabs.tabsListItems.length;\r\n\t\t\telm.mTabs.tabsControls = Array.from( elm.mTabs.tabsNavList.querySelectorAll( '.m-tabs__control' ) );\r\n\t\t\telm.mTabs.tabsContents = Array.from( elm.querySelectorAll( '.m-tabs__content' ) ).filter( function filterFn( content ) {\r\n\t\t\t\treturn content.closest( '.m-tabs' ) === elm && mTabsFn.filterParents( content, 'm-tabs__content' ) === false;\r\n\t\t\t});\r\n\r\n\t\t\t// Set up initially selected tab control - tab already marked as open\r\n\t\t\telm.mTabs.windowHash = window.location.hash;\r\n\t\t\telm.mTabs.tabsControls.forEach( function loop( tabControl ) {\r\n\t\t\t\ttabControl.setAttribute( 'role', 'tab' );\r\n\t\t\t\ttabControl.setAttribute( 'aria-selected', 'false' );\r\n\t\t\t\ttabControl.setAttribute( 'tabindex', -1 );\r\n\r\n\t\t\t\t// If pointing to a specific anchor within a tab section, add open tab class\r\n\t\t\t\tif ( elm.mTabs.windowHash ) {\r\n\t\t\t\t\ttabControl.classList.remove( 'js-m-tab-open' ); // Remove any existing force-opened tabs...\r\n\t\t\t\t\tif ( tabControl.getAttribute( 'href' ).match( elm.mTabs.windowHash ) ) {\r\n\t\t\t\t\t\ttabControl.classList.add( 'js-m-tab-open' ); // ...and replace with the one from the url parameter\r\n\t\t\t\t\t}\r\n\t\t\t\t}\r\n\r\n\t\t\t\ttabControl.parentElement.setAttribute( 'role', 'presentation' );\r\n\r\n\t\t\t\ttabControl.addEventListener( 'keydown', function listener( e ) {\r\n\t\t\t\t\tvar pressed = e.key,\r\n\t\t\t\t\t\tdirection = elm.mTabs.settings.direction[ pressed ];\r\n\r\n\t\t\t\t\t// Catch Arrow, Home or End key presses before they are processed for the page\r\n\t\t\t\t\tif ( Number.isInteger( direction ) ) {\r\n\t\t\t\t\t\te.preventDefault();\r\n\t\t\t\t\t\tmTabsFn.switchTabOnArrowPress( elm, e );\r\n\t\t\t\t\t} else if ( pressed === ' ' || pressed === 'Spacebar' ) {\r\n\t\t\t\t\t\te.preventDefault();\r\n\t\t\t\t\t\ttabControl.click();\r\n\t\t\t\t\t}\r\n\t\t\t\t});\r\n\t\t\t});\r\n\r\n\t\t\tmTabsFn.setOpenTab( elm );\r\n\r\n\t\t\telm.mTabs.tabsContents.forEach( function loop( tabContent ) {\r\n\t\t\t\ttabContent.setAttribute( 'role', 'tabpanel' );\r\n\t\t\t\ttabContent.setAttribute( 'aria-labelledby', tabContent.id + '-tab' );\r\n\t\t\t});\r\n\r\n\t\t\t// Set up click event listeners\r\n\t\t\tif ( elm.mTabs.settings.tabsStatic === true ) {\r\n\t\t\t\t// Static tab - do nothing, as link needs to function normally\r\n\t\t\t} else {\r\n\t\t\t\t// Everything else\r\n\t\t\t\telm.mTabs.tabsControls.forEach( function loop( tabControl ) {\r\n\t\t\t\t\ttabControl.addEventListener( 'click', function listener( e ) {\r\n\t\t\t\t\t\te.preventDefault();\r\n\t\t\t\t\t\tmTabsFn.tabClick( elm, tabControl );\r\n\t\t\t\t\t});\r\n\t\t\t\t});\r\n\t\t\t}\r\n\r\n\t\t\t// Icon tabs\r\n\t\t\tif ( elm.classList.contains( 'm-tabs--icons' ) ) {\r\n\t\t\t\telm.mTabs.tabsControls.forEach( function loop( tabControlInner ) {\r\n\t\t\t\t\tvar span = tabControlInner.querySelector( 'span' ),\r\n\t\t\t\t\t\ttabIcon,\r\n\t\t\t\t\t\ttabIconClone,\r\n\t\t\t\t\t\tsubhead;\r\n\r\n\t\t\t\t\tif ( span ) {\r\n\t\t\t\t\t\ttabIcon = span.querySelector( 'img' );\r\n\t\t\t\t\t\tsubhead = span.querySelector( '.m-tabs__subheading' );\r\n\r\n\t\t\t\t\t\t// Remove any subheadings added by UX-rule-defying muppets\r\n\t\t\t\t\t\tif ( subhead ) {\r\n\t\t\t\t\t\t\tspan.removeChild( subhead );\r\n\t\t\t\t\t\t}\r\n\r\n\t\t\t\t\t\t// Duplicate images to allow crossfading\r\n\t\t\t\t\t\ttabIcon.classList.add( 'm-tabs-icon__image--default' );\r\n\t\t\t\t\t\ttabIconClone = tabIcon.cloneNode( true );\r\n\t\t\t\t\t\tspan.append( tabIconClone );\r\n\t\t\t\t\t\ttabIconClone.classList.remove( 'm-tabs-icon__image--default' );\r\n\t\t\t\t\t\ttabIconClone.classList.add( 'm-tabs-icon__image--selected' );\r\n\t\t\t\t\t}\r\n\t\t\t\t});\r\n\t\t\t}\r\n\r\n\t\t\t// Process all the page links\r\n\t\t\tmTabsFn.tabsPageLinks( elm );\r\n\t\t},\r\n\r\n\t\tsetOpenTab : function( elm ) {\r\n\t\t\tvar openTab = elm.querySelector( '.m-tabs__control.js-m-tab-open' ),\r\n\t\t\t\topenTabContent,\r\n\t\t\t\tscrollLeftPos;\r\n\r\n\t\t\t// Set up initially selected tab control - none marked as open, so use first tab\r\n\t\t\tif ( typeof openTab === 'object' && openTab !== null ) {\r\n\t\t\t\topenTab.classList.add( 'm-tabs__control--selected' );\r\n\t\t\t\topenTab.setAttribute( 'aria-selected', 'true' );\r\n\t\t\t\topenTab.removeAttribute( 'tabindex' );\r\n\r\n\t\t\t\tif ( elm.mTabs.settings.tabsStatic === true || elm.mTabs.settings.tabsLazy === true ) {\r\n\t\t\t\t\t// Pre-opened static tab\r\n\t\t\t\t\topenTabContent = elm.mTabs.tabsContents[ 0 ];\r\n\t\t\t\t\tutility.trigger( window, 'refresh' );\r\n\t\t\t\t} else {\r\n\t\t\t\t\t// Pre-opened standard tab\r\n\t\t\t\t\topenTab.classList.remove( 'js-m-tab-open' );\r\n\t\t\t\t\topenTabContent = elm.mTabs.tabsContents.filter( function filterFn( contents ) {\r\n\t\t\t\t\t\treturn ( contents.id === openTab.getAttribute( 'href' ).substr( 1 ) );\r\n\t\t\t\t\t})[ 0 ];\r\n\r\n\t\t\t\t\tif ( elm.mTabs.settings.scrollLock ) {\r\n\t\t\t\t\t\t// Prevent scolling when already scrolling\r\n\t\t\t\t\t} else {\r\n\t\t\t\t\t\tscrollLeftPos = openTab.parentNode.offsetLeft - elm.mTabs.settings.offset;\r\n\t\t\t\t\t\telm.mTabs.tabsNavList.scrollTo( scrollLeftPos, 0 );\r\n\t\t\t\t\t}\r\n\t\t\t\t}\r\n\t\t\t\t// If pointing to a specific anchor within a tab section, scroll to that tab\r\n\t\t\t\tif ( elm.mTabs.windowHash ) {\r\n\t\t\t\t\tsetTimeout( function timeoutFn() {\r\n\t\t\t\t\t\twindow.scrollTo( 0, utility.offset( openTab ).top );\r\n\t\t\t\t\t}, 100 );\r\n\t\t\t\t}\r\n\t\t\t} else {\r\n\t\t\t\topenTab = elm.mTabs.tabsControls[ 0 ];\r\n\t\t\t\topenTab.classList.add( 'm-tabs__control--selected' );\r\n\t\t\t\topenTab.setAttribute( 'aria-selected', 'true' );\r\n\t\t\t\topenTab.removeAttribute( 'tabindex' );\r\n\t\t\t\topenTabContent = elm.mTabs.tabsContents[ 0 ];\r\n\t\t\t\tutility.trigger( window, 'refresh' );\r\n\t\t\t}\r\n\r\n\t\t\t// Open content matching initially selected tab control\r\n\t\t\topenTabContent.classList.add( 'm-tabs__content--selected' );\r\n\t\t\topenTabContent.setAttribute( 'aria-hidden', 'false' );\r\n\t\t\topenTabContent.style.display = 'block';\r\n\t\t\tif ( openTabContent.previousElementSibling.classList.contains( '.m-tabs__heading' ) ) {\r\n\t\t\t\topenTabContent.previousElementSibling.removeAttribute( 'style' );\r\n\t\t\t}\r\n\t\t},\r\n\r\n\t\topenTab : function( elm, thisHref ) {\r\n\t\t\tvar href = thisHref,\r\n\t\t\t\ttargetElm,\r\n\t\t\t\ttempElm,\r\n\t\t\t\ttabContentElm,\r\n\t\t\t\topenedTab = false;\r\n\r\n\t\t\tif ( thisHref.indexOf( '#' ) === 0 ) {\r\n\t\t\t\thref = '#' + CSS.escape( thisHref.substr( 1 ) );\r\n\t\t\t}\r\n\r\n\t\t\ttargetElm = elm.querySelector( href );\r\n\r\n\t\t\t// If target element exists within tab component then carry on processing\r\n\t\t\tif ( targetElm && elm.contains( targetElm ) ) {\r\n\t\t\t\t// Loop through until you find the outer most tab content area\r\n\t\t\t\ttempElm = targetElm.closest( '.m-tabs__content' );\r\n\t\t\t\twhile ( tempElm && elm.contains( tempElm ) ) {\r\n\t\t\t\t\ttabContentElm = tempElm;\r\n\t\t\t\t\ttempElm = tabContentElm.parentNode.closest( '.m-tabs__content' );\r\n\t\t\t\t}\r\n\t\t\t\tmTabsFn.tabClick( elm, elm.mTabs.tabsNavList.querySelector( 'a[href=\"#' + CSS.escape( tabContentElm.id ) + '\"]' ), true );\r\n\r\n\t\t\t\topenedTab = true;\r\n\t\t\t}\r\n\t\t\treturn openedTab;\r\n\t\t},\r\n\r\n\t\ttabsPageLinks : function( elm ) {\r\n\t\t\tvar href = utility.getAnchor(),\r\n\t\t\t\topenedTab = false,\r\n\t\t\t\ttabOpen,\r\n\t\t\t\tnextElement,\r\n\t\t\t\ttempElm;\r\n\r\n\t\t\tdocument.addEventListener( 'click', function listener( e ) {\r\n\t\t\t\tvar element = e.target,\r\n\t\t\t\t\tthisHref;\r\n\r\n\t\t\t\t// Get the href of the clicked element if there is one\r\n\t\t\t\tif ( element.hasAttribute( 'href' ) ) {\r\n\t\t\t\t\tthisHref = element.getAttribute( 'href' ).match( utility.urlAnchorRegExp );\r\n\t\t\t\t} else {\r\n\t\t\t\t\telement = element.closest( 'a[href], button[href]' );\r\n\t\t\t\t\tif ( element ) {\r\n\t\t\t\t\t\tthisHref = element.getAttribute( 'href' ).match( utility.urlAnchorRegExp );\r\n\t\t\t\t\t}\r\n\t\t\t\t}\r\n\r\n\t\t\t\t// Only try and process if the link is not blank\r\n\t\t\t\tif ( Array.isArray( thisHref ) && thisHref[ 0 ] !== '' && !element.classList.contains( 'm-tabs__control' ) && !element.classList.contains( 'm-tabs-nextprev' ) ) {\r\n\t\t\t\t\tmTabsFn.openTab( elm, thisHref[ 0 ] );\r\n\t\t\t\t}\r\n\t\t\t});\r\n\r\n\t\t\t// Open the associated element when the incoming link points to an id on a control\r\n\t\t\tif ( Array.isArray( href ) && href[ 0 ] !== '' ) {\r\n\t\t\t\topenedTab = mTabsFn.openTab( elm, href[ 0 ] );\r\n\t\t\t}\r\n\r\n\t\t\t// No incoming link, so check for pre-opened flag instead\r\n\t\t\tif ( !openedTab ) {\r\n\t\t\t\ttabOpen = elm.querySelector( '.js-m-tab-open' );\r\n\t\t\t\tif ( tabOpen ) {\r\n\t\t\t\t\t// If one exists, click the appropriate heading anchor\r\n\t\t\t\t\tif ( elm.mTabs.settings.tabsLazy ) {\r\n\t\t\t\t\t\ttempElm = tabOpen.closest( '.m-tabs__content' );\r\n\t\t\t\t\t\tif ( tempElm && elm.contains( tempElm ) ) {\r\n\t\t\t\t\t\t\t// Not this set of tabs, so need to find which tab we are within\r\n\t\t\t\t\t\t\tmTabsFn.openTab( elm, '#' + tempElm.id );\r\n\t\t\t\t\t\t} else {\r\n\t\t\t\t\t\t\tmTabsFn.tabClick( elm, tabOpen, true );\r\n\t\t\t\t\t\t\twindow.scrollTo( 0, utility.offset( tabOpen ).top );\r\n\t\t\t\t\t\t}\r\n\t\t\t\t\t} else {\r\n\t\t\t\t\t\tnextElement = tabOpen.nextElementSibling;\r\n\t\t\t\t\t\tif ( nextElement ) {\r\n\t\t\t\t\t\t\tmTabsFn.openTab( elm, '#' + nextElement.id );\r\n\t\t\t\t\t\t}\r\n\t\t\t\t\t}\r\n\t\t\t\t}\r\n\t\t\t}\r\n\r\n\t\t\t// Run resize/refresh function and setup carousel if necessary\r\n\t\t\tmTabsFn.resizeRefresh( elm );\r\n\t\t},\r\n\r\n\t\ttabsCarousel : function( elm ) {\r\n\t\t\tvar backgroundElm,\r\n\t\t\t\tbackgroundColor,\r\n\t\t\t\tstopOpaque,\r\n\t\t\t\tstopTransparent,\r\n\t\t\t\tstopTemp,\r\n\t\t\t\tonScroll = utility.debounce( function listener() {\r\n\t\t\t\t\tmTabsFn.updatePagination( elm );\r\n\t\t\t\t}, 10 );\r\n\r\n\t\t\telm.mTabs.settings.carouselActive = true;\r\n\t\t\telm.mTabs.tabsNav.classList.add( 'm-tabs__nav--carousel' );\r\n\r\n\t\t\t// Get breakpoint and set offsets\r\n\t\t\telm.mTabs.currentBreakpoint = utility.getBreakpoint();\r\n\t\t\tif ( !elm.mTabs.settings.tabsPrimary ) {\r\n\t\t\t\t// Standard - use default\r\n\t\t\t} else if ( elm.mTabs.currentBreakpoint === utility.smallTag ) {\r\n\t\t\t\telm.mTabs.settings.offset = elm.mTabs.settings.offsetPrimaryMobile; // Primary mobile\r\n\t\t\t} else {\r\n\t\t\t\telm.mTabs.settings.offset = elm.mTabs.settings.offsetPrimaryOther; // Primary tablet and desktop\r\n\t\t\t}\r\n\r\n\t\t\t// Setup pagination\r\n\t\t\telm.mTabs.pagination = utility.htmlStringToElement( '<ul class=\"m-tabs__nav-pagination a-list-plain\">' +\r\n\t\t\t\t'<li class=\"m-tabs__nav-pagination-prev\"><button class=\"m-tabs-nextprev\" type=\"button\" disabled><span>' + elm.mTabs.settings.previousPage +\r\n\t\t\t\t'</span></button></li>' +\r\n\t\t\t\t'<li class=\"m-tabs__nav-pagination-next\"><button class=\"m-tabs-nextprev\" type=\"button\" disabled><span>' + elm.mTabs.settings.nextPage + '</span></button></li>' +\r\n\t\t\t\t'</ul>' );\r\n\r\n\t\t\t// Setup previous and next buttons\r\n\t\t\telm.mTabs.prevButton = elm.mTabs.pagination.querySelector( '.m-tabs__nav-pagination-prev' );\r\n\t\t\telm.mTabs.prevButtonTarget = elm.mTabs.prevButton.firstChild;\r\n\t\t\telm.mTabs.nextButton = elm.mTabs.pagination.querySelector( '.m-tabs__nav-pagination-next' );\r\n\t\t\telm.mTabs.nextButtonTarget = elm.mTabs.nextButton.firstChild;\r\n\r\n\t\t\telm.mTabs.prevButtonTarget.addEventListener( 'click', function listener() {\r\n\t\t\t\telm.mTabs.direction = 'prev';\r\n\t\t\t\tmTabsFn.setCarouselPosition( elm );\r\n\t\t\t});\r\n\t\t\telm.mTabs.nextButtonTarget.addEventListener( 'click', function listener() {\r\n\t\t\t\telm.mTabs.direction = 'next';\r\n\t\t\t\tmTabsFn.setCarouselPosition( elm );\r\n\t\t\t});\r\n\r\n\t\t\telm.mTabs.nextButtonTarget.classList.add( 'm-tabs-nextprev--active' );\r\n\t\t\telm.mTabs.nextButtonTarget.removeAttribute( 'disabled' );\r\n\r\n\t\t\telm.mTabs.tabsNavList.addEventListener( 'scroll', onScroll );\r\n\r\n\t\t\t// Append the pagination\r\n\t\t\telm.mTabs.tabsNav.append( elm.mTabs.pagination );\r\n\r\n\t\t\t// Get background colour and use it to apply transparency gradients behind prev / next arrows\r\n\t\t\tbackgroundElm = elm.mTabs.pagination.closest( '.t-card-accent-light .m-card, .t-card-accent-dark .m-card, .t-accent-light, .t-accent-dark' );\r\n\t\t\tif ( elm.mTabs.settings.tabsPrimary ) {\r\n\t\t\t\t// Primary tabs - just get tabsNav background colour\r\n\t\t\t\tbackgroundColor = getComputedStyle( elm.mTabs.tabsNav ).backgroundColor;\r\n\t\t\t} else if ( backgroundElm && typeof getComputedStyle( backgroundElm ).backgroundColor !== 'undefined' ) {\r\n\t\t\t\t// Standard tabs - work back up the DOM to find closest element with a background colour\r\n\t\t\t\tbackgroundColor = getComputedStyle( backgroundElm ).backgroundColor;\r\n\t\t\t} else {\r\n\t\t\t\tbackgroundColor = '#fff';\r\n\t\t\t}\r\n\r\n\t\t\t// Convert background colour to rgba\r\n\t\t\tif ( backgroundColor.indexOf( '#' ) === 0 ) {\r\n\t\t\t\t// ...from hex\r\n\t\t\t\tstopOpaque = utility.hexToRgba( backgroundColor );\r\n\t\t\t\tstopTransparent = stopOpaque.replace( '1)', '0)' );\r\n\t\t\t} else {\r\n\t\t\t\t// ...from rgb\r\n\t\t\t\tstopTemp = backgroundColor.replace( 'rgb(', 'rgba(' );\r\n\t\t\t\tstopOpaque = stopTemp.replace( ')', ', 1)' );\r\n\t\t\t\tstopTransparent = stopOpaque.replace( '1)', '0)' );\r\n\t\t\t}\r\n\r\n\t\t\tif ( elm.mTabs.currentBreakpoint === utility.smallTag ) {\r\n\t\t\t\t// Primary mobile\r\n\t\t\t\telm.mTabs.prevButtonTarget.style.backgroundImage = 'linear-gradient(to right, ' + stopOpaque + ' 75%, ' + stopTransparent + ')';\r\n\t\t\t\telm.mTabs.nextButtonTarget.style.backgroundImage = 'linear-gradient(to right, ' + stopTransparent + ', ' + stopOpaque + ' 25%)';\r\n\t\t\t} else if ( elm.mTabs.currentBreakpoint === utility.mediumTag || elm.mTabs.currentBreakpoint === utility.largeTag ) {\r\n\t\t\t\t// Primary tablet and desktop\r\n\t\t\t\telm.mTabs.prevButtonTarget.style.backgroundImage = 'linear-gradient(to right, ' + stopOpaque + ' 78.5%, ' + stopTransparent + ')';\r\n\t\t\t\telm.mTabs.nextButtonTarget.style.backgroundImage = 'linear-gradient(to right, ' + stopTransparent + ', ' + stopOpaque + ' 21.5%)';\r\n\t\t\t} else {\r\n\t\t\t\t// Standard\r\n\t\t\t\telm.mTabs.prevButtonTarget.style.backgroundImage = 'linear-gradient(to right, ' + stopOpaque + ' 70%, ' + stopTransparent + ')';\r\n\t\t\t\telm.mTabs.nextButtonTarget.style.backgroundImage = 'linear-gradient(to right, ' + stopTransparent + ', ' + stopOpaque + ' 30%)';\r\n\t\t\t}\r\n\r\n\t\t\telm.mTabs.currentIndexes = mTabsFn.getCurrentIndexes( elm );\r\n\t\t},\r\n\r\n\t\tupdatePagination : function( elm ) {\r\n\t\t\tvar farRight = elm.mTabs.tabsNavList.scrollWidth - elm.mTabs.tabsNavList.offsetWidth;\r\n\r\n\t\t\tif ( elm.mTabs.tabsNavList.scrollLeft <= 0 ) {\r\n\t\t\t\telm.mTabs.prevButtonTarget.classList.remove( 'm-tabs-nextprev--active' );\r\n\t\t\t\telm.mTabs.prevButtonTarget.setAttribute( 'disabled', true );\r\n\t\t\t} else {\r\n\t\t\t\telm.mTabs.prevButtonTarget.classList.add( 'm-tabs-nextprev--active' );\r\n\t\t\t\telm.mTabs.prevButtonTarget.removeAttribute( 'disabled' );\r\n\t\t\t}\r\n\t\t\tif ( elm.mTabs.tabsNavList.scrollLeft >= farRight - 2 ) { // Minus 2 to allow for a tiny bit of tollerance\r\n\t\t\t\telm.mTabs.nextButtonTarget.classList.remove( 'm-tabs-nextprev--active' );\r\n\t\t\t\telm.mTabs.nextButtonTarget.setAttribute( 'disabled', true );\r\n\t\t\t} else {\r\n\t\t\t\telm.mTabs.nextButtonTarget.classList.add( 'm-tabs-nextprev--active' );\r\n\t\t\t\telm.mTabs.nextButtonTarget.removeAttribute( 'disabled' );\r\n\t\t\t}\r\n\t\t},\r\n\r\n\t\tgetCurrentIndexes : function( elm ) {\r\n\t\t\tvar elmIndent = elm.getBoundingClientRect().left + 50,\r\n\t\t\t\tleftIndex = 0,\r\n\t\t\t\tleftIndexSet = false,\r\n\t\t\t\trightIndex = 0;\r\n\r\n\t\t\telm.mTabs.tabsControls.forEach( function loop( listItem, index ) {\r\n\t\t\t\tvar listItemAbsoluteLeft = listItem.getBoundingClientRect().left - elmIndent,\r\n\t\t\t\t\tfarRight = elm.getBoundingClientRect().right - 50,\r\n\t\t\t\t\tlistItemAbsoluteRight = listItem.getBoundingClientRect().right;\r\n\r\n\t\t\t\tif ( utility.inRange( listItemAbsoluteLeft, 0, 5 ) ) {\r\n\t\t\t\t\tleftIndex = index;\r\n\t\t\t\t\tleftIndexSet = true;\r\n\t\t\t\t} else if ( listItemAbsoluteLeft > 0 && !leftIndexSet ) {\r\n\t\t\t\t\tleftIndex = index;\r\n\t\t\t\t\tleftIndexSet = true;\r\n\t\t\t\t} else {\r\n\t\t\t\t\t// Do nothing\r\n\t\t\t\t}\r\n\t\t\t\tif ( listItemAbsoluteRight < farRight ) {\r\n\t\t\t\t\trightIndex = index;\r\n\t\t\t\t}\r\n\t\t\t});\r\n\r\n\t\t\treturn [ leftIndex, rightIndex ];\r\n\t\t},\r\n\r\n\t\t/* eslint-disable-next-line complexity */\r\n\t\tsetCarouselPosition : function( elm ) {\r\n\t\t\tvar currentIndex,\r\n\t\t\t\tnextIndex,\r\n\t\t\t\tprevIndex,\r\n\t\t\t\tscrollLeftPos,\r\n\t\t\t\ti = 0,\r\n\t\t\t\tfarRight = elm.mTabs.tabsNavList.scrollWidth - elm.mTabs.tabsNavList.offsetWidth,\r\n\t\t\t\ttabAreaWidth = elm.mTabs.tabsNavList.offsetWidth - 100 + 30,\r\n\t\t\t\tlistItemWidthTotal = 0;\r\n\r\n\t\t\tif ( elm.mTabs.settings.scrollLock ) {\r\n\t\t\t\t// Prevent scolling when already scrolling\r\n\t\t\t} else {\r\n\t\t\t\telm.mTabs.settings.scrollLock = true;\r\n\t\t\t\telm.mTabs.currentIndexes = mTabsFn.getCurrentIndexes( elm );\r\n\r\n\t\t\t\tif ( elm.mTabs.direction === 'prev' ) {\r\n\t\t\t\t\tcurrentIndex = elm.mTabs.currentIndexes[ 0 ];\r\n\t\t\t\t\tif ( currentIndex > 0 ) {\r\n\t\t\t\t\t\tprevIndex = currentIndex - 1;\r\n\r\n\t\t\t\t\t\tfor ( i = prevIndex; i >= 0; i-- ) {\r\n\t\t\t\t\t\t\tlistItemWidthTotal += elm.mTabs.tabsListItems[ i ].offsetWidth;\r\n\t\t\t\t\t\t\tif ( listItemWidthTotal <= tabAreaWidth ) {\r\n\t\t\t\t\t\t\t\tprevIndex = i;\r\n\t\t\t\t\t\t\t} else {\r\n\t\t\t\t\t\t\t\ti = -1;\r\n\t\t\t\t\t\t\t}\r\n\t\t\t\t\t\t}\r\n\t\t\t\t\t} else {\r\n\t\t\t\t\t\t// Do nothing\r\n\t\t\t\t\t}\r\n\r\n\t\t\t\t\tif ( prevIndex < 0 ) {\r\n\t\t\t\t\t\tprevIndex = 0;\r\n\t\t\t\t\t}\r\n\r\n\t\t\t\t\tscrollLeftPos = elm.mTabs.tabsListItems[ prevIndex ].offsetLeft - elm.mTabs.settings.offset;\r\n\t\t\t\t\telm.mTabs.tabsNavList.scrollTo( scrollLeftPos, 0 );\r\n\t\t\t\t\telm.mTabs.currentIndexes = mTabsFn.getCurrentIndexes( elm );\r\n\t\t\t\t\telm.mTabs.settings.scrollLock = false;\r\n\t\t\t\t} else if ( elm.mTabs.direction === 'next' ) {\r\n\t\t\t\t\tcurrentIndex = elm.mTabs.currentIndexes[ 1 ];\r\n\t\t\t\t\tif ( currentIndex >= elm.mTabs.tabsCount - 1 ) {\r\n\t\t\t\t\t\tnextIndex = elm.mTabs.tabsCount - 1;\r\n\t\t\t\t\t} else if ( elm.mTabs.tabsNavList.scrollLeft === farRight ) {\r\n\t\t\t\t\t\t// Don't change, as already at far right\r\n\t\t\t\t\t\tnextIndex = currentIndex;\r\n\t\t\t\t\t} else {\r\n\t\t\t\t\t\tnextIndex = currentIndex + 1;\r\n\t\t\t\t\t}\r\n\r\n\t\t\t\t\tif ( nextIndex >= elm.mTabs.tabsListItems.length ) {\r\n\t\t\t\t\t\tnextIndex = elm.mTabs.tabsListItems.length - 1;\r\n\t\t\t\t\t}\r\n\r\n\t\t\t\t\tscrollLeftPos = elm.mTabs.tabsListItems[ nextIndex ].offsetLeft - elm.mTabs.settings.offset;\r\n\t\t\t\t\telm.mTabs.tabsNavList.scrollTo( scrollLeftPos, 0 );\r\n\t\t\t\t\telm.mTabs.currentIndexes = mTabsFn.getCurrentIndexes( elm );\r\n\t\t\t\t\telm.mTabs.settings.scrollLock = false;\r\n\t\t\t\t} else {\r\n\t\t\t\t\t// Do nothing, as something's wrong\r\n\t\t\t\t\telm.mTabs.settings.scrollLock = false;\r\n\t\t\t\t}\r\n\t\t\t}\r\n\t\t},\r\n\r\n\t\ttabClick : function( elm, tabControl, noHistory ) {\r\n\t\t\t// Fade to selected tab and alter elm height if necessary - standard tabs\r\n\t\t\tvar href = tabControl.getAttribute( 'href' ),\r\n\t\t\t\tselected = elm.querySelector( href ),\r\n\t\t\t\tsourceHref,\r\n\t\t\t\tscrollParent,\r\n\t\t\t\tscrollParentPos,\r\n\t\t\t\tscrollLeftPos,\r\n\t\t\t\tscrollWindowPos;\r\n\r\n\t\t\t// Load in content for lazy-load tabs variant\r\n\t\t\tif ( elm.mTabs.settings.tabsLazy === true ) {\r\n\t\t\t\tif ( tabControl.getAttribute( 'data-href' ).match( '^#' ) || selected.classList.contains( 'js-loaded' ) ) {\r\n\t\t\t\t\t// Do nothing - this one's the original static content to leave in place, or additional content which has already been loaded\r\n\t\t\t\t} else {\r\n\t\t\t\t\t// Go get the content and ajax it in\r\n\t\t\t\t\tselected.querySelector( '.a-loading-indicator' ).style.display = 'block';\r\n\t\t\t\t\tsourceHref = tabControl.getAttribute( 'data-href' ).replace( '#', ' #' );\r\n\t\t\t\t\tutility.requestLoadInto( selected, sourceHref, function ajaxRequest( response, status ) {\r\n\t\t\t\t\t\tif ( status >= 200 && status < 400 ) {\r\n\t\t\t\t\t\t\tselected.classList.add( 'js-loaded' );\r\n\t\t\t\t\t\t} else {\r\n\t\t\t\t\t\t\t// Not found, so do nothing\r\n\t\t\t\t\t\t}\r\n\t\t\t\t\t});\r\n\t\t\t\t}\r\n\t\t\t}\r\n\r\n\t\t\tif ( noHistory ) {\r\n\t\t\t\t// Dont record the opening of the tab\r\n\t\t\t} else {\r\n\t\t\t\tutility.updateHistory( href );\r\n\t\t\t}\r\n\r\n\t\t\tscrollParent = utility.scrollParent( selected );\r\n\t\t\tscrollParentPos = scrollParent.scrollTop;\r\n\t\t\tscrollWindowPos = window.scrollY;\r\n\r\n\t\t\telm.mTabs.tabsControls.forEach( function loop( tabControlElm ) {\r\n\t\t\t\tif ( tabControlElm.classList.contains( 'm-tabs__control--selected' ) ) {\r\n\t\t\t\t\ttabControlElm.classList.remove( 'm-tabs__control--selected' );\r\n\t\t\t\t\ttabControlElm.setAttribute( 'aria-selected', 'false' );\r\n\t\t\t\t\ttabControlElm.setAttribute( 'tabindex', -1 );\r\n\t\t\t\t}\r\n\t\t\t\tif ( tabControlElm.getAttribute( 'href' ) === href ) {\r\n\t\t\t\t\ttabControlElm.classList.add( 'm-tabs__control--selected' );\r\n\t\t\t\t\ttabControlElm.setAttribute( 'aria-selected', 'true' );\r\n\t\t\t\t\ttabControlElm.removeAttribute( 'tabindex' );\r\n\t\t\t\t}\r\n\t\t\t});\r\n\r\n\t\t\telm.mTabs.tabsHeadings.forEach( function loop( heading ) {\r\n\t\t\t\theading.style.display = 'none';\r\n\t\t\t});\r\n\r\n\t\t\telm.mTabs.tabsContents.forEach( function loop( content ) {\r\n\t\t\t\tif ( content.classList.contains( 'm-tabs__content--selected' ) ) {\r\n\t\t\t\t\tcontent.classList.remove( 'm-tabs__content--selected' );\r\n\t\t\t\t\tcontent.setAttribute( 'aria-hidden', 'true' );\r\n\t\t\t\t\tcontent.style.display = 'none';\r\n\t\t\t\t}\r\n\t\t\t});\r\n\r\n\t\t\tselected.classList.add( 'm-tabs__content--selected' );\r\n\t\t\tselected.setAttribute( 'aria-hidden', 'false' );\r\n\t\t\tselected.setAttribute( 'tabindex', -1 );\r\n\t\t\tselected.style.display = 'block';\r\n\t\t\tselected.focus({ preventScroll : true });\r\n\r\n\t\t\tselected.previousElementSibling.removeAttribute( 'style' );\r\n\t\t\tscrollParent.scrollTop = scrollParentPos; // Reset to original position\r\n\t\t\twindow.scroll( window.scrollX, scrollWindowPos ); // Reset to original position\r\n\r\n\t\t\tutility.trigger( window, 'refresh' );\r\n\r\n\t\t\t// Slide selected trigger to far left\r\n\t\t\tif ( elm.mTabs.settings.scrollLock ) {\r\n\t\t\t\t// Prevent scolling when already scrolling\r\n\t\t\t} else {\r\n\t\t\t\tscrollLeftPos = tabControl.parentNode.offsetLeft - elm.mTabs.settings.offset;\r\n\t\t\t\telm.mTabs.tabsNavList.scrollTo( scrollLeftPos, 0 );\r\n\t\t\t}\r\n\t\t},\r\n\r\n\t\ttabsStatic : function( elm ) {\r\n\t\t\tvar staticHeading = elm.querySelector( '.m-tabs__heading' ); // Returns first instance, which is what we want anyway\r\n\t\t\tstaticHeading.classList.add( 'u-hidden--visually' );\r\n\t\t},\r\n\r\n\t\ttabsLazy : function( elm ) {\r\n\t\t\t// Get hard-coded static content for first tab, then remove the redundant div\r\n\t\t\tvar staticContent = elm.querySelector( '.m-tabs__content' ), // Returns first instance, which is what we want anyway\r\n\t\t\t\tstaticContent2 = staticContent.children[ 0 ],\r\n\t\t\t\tstaticID = staticContent.id,\r\n\t\t\t\tselectedTab,\r\n\t\t\t\theadings;\r\n\r\n\t\t\t// Remove headings, then remove content\r\n\t\t\theadings = Array.from( staticContent.querySelectorAll( '.m-tabs__heading' ) ).filter( function filterFn( heading ) {\r\n\t\t\t\treturn heading.closest( '.m-tabs' ) === elm;\r\n\t\t\t});\r\n\t\t\theadings.forEach( function loop( heading ) {\r\n\t\t\t\theading.remove();\r\n\t\t\t});\r\n\t\t\theadings = staticContent.previousElementSibling;\r\n\t\t\tif ( headings && headings.classList.contains( 'm-tabs__heading' ) ) {\r\n\t\t\t\theadings.remove();\r\n\t\t\t}\r\n\r\n\t\t\tstaticContent.remove();\r\n\r\n\t\t\t// Turn list into standard h3 + m-tabs__content markup\r\n\t\t\telm.mTabs.tabsHeadings.forEach( function loop( heading ) {\r\n\t\t\t\tvar href = heading.getAttribute( 'href' ),\r\n\t\t\t\t\tclasses = heading.classList,\r\n\t\t\t\t\ttitle = heading.textContent,\r\n\t\t\t\t\tnewTabH2,\r\n\t\t\t\t\tnewTabH3,\r\n\t\t\t\t\tnewTabContent;\r\n\t\t\t\t// Generate a string 'dataAttrs' from the non-js links containing all data attributes for replacing in the control\r\n\t\t\t\tlet dataAttrs = '';\r\n\t\t\t\t// Retain datasets for click tracking\r\n\t\t\t\tObject.keys( heading.dataset ).forEach( key => {\r\n\t\t\t\t\t// Fix hyphenated key names\r\n\t\t\t\t\tlet keyString = '';\r\n\t\t\t\t\t// Split data key into an array around uppercase with match if required\r\n\t\t\t\t\tlet tempArr = key.match( /[A-Za-z][a-z]+/g );\r\n\t\t\t\t\t// Concatenate and drop to lowercase - unless there is no split array in which case use key\r\n\t\t\t\t\tkeyString = tempArr === null ? keyString = key : keyString += 'data-' + tempArr.join( '-' ).toLowerCase();\r\n\t\t\t\t\t// Build the data attribute string for insertion\r\n\t\t\t\t\tdataAttrs += keyString + '=\"' + heading.dataset[ key ] + '\"';\r\n\t\t\t\t});\r\n\r\n\t\t\t\t// Remove data class from classes\r\n\t\t\t\tclasses.remove( 'dd-data-link' );\r\n\r\n\t\t\t\tif ( elm.mTabs.settings.tabsPrimary === true ) {\r\n\t\t\t\t\tnewTabH2 = utility.htmlStringToElement( '<h2 data-href=\"' + href + '\" class=\"' + classes + '\" ' + dataAttrs + ' >' + title + '</h2>' );\r\n\t\t\t\t\telm.append( newTabH2 );\r\n\t\t\t\t} else {\r\n\t\t\t\t\tnewTabH3 = utility.htmlStringToElement( '<h3 data-href=\"' + href + '\" class=\"' + classes + '\" ' + dataAttrs + '>' + title + '</h3>' );\r\n\t\t\t\t\telm.append( newTabH3 );\r\n\t\t\t\t}\r\n\t\t\t\t// eslint-disable-next-line max-len\r\n\t\t\t\tnewTabContent = utility.htmlStringToElement( '<div class=\"m-tabs__content\"><div class=\"a-loading-indicator\" role=\"alert\"><span class=\"a-loading-indicator__message\">' + elm.mTabs.settings.loadingText + '</span></div>' );\r\n\t\t\t\telm.append( newTabContent );\r\n\t\t\t});\r\n\r\n\t\t\t// Rediscover headings\r\n\t\t\telm.mTabs.tabsHeadings = Array.from( elm.querySelectorAll( '.m-tabs__heading' ) ).filter( function filterFn( heading ) {\r\n\t\t\t\treturn heading.closest( '.m-tabs' ) === elm && mTabsFn.filterParents( heading, 'm-tabs__content' ) === false;\r\n\t\t\t});\r\n\r\n\t\t\t// Find the selected tab and insert static content\r\n\t\t\tselectedTab = elm.querySelector( '.m-tabs__heading[data-href=\"#' + staticID + '\"]' ).nextElementSibling;\r\n\t\t\twhile ( selectedTab.firstChild ) {\r\n\t\t\t\tselectedTab.removeChild( selectedTab.firstChild );\r\n\t\t\t}\r\n\t\t\tif ( elm.mTabs.settings.tabsPrimary === true ) {\r\n\t\t\t\tselectedTab.append( staticContent2 );\r\n\t\t\t} else {\r\n\t\t\t\tselectedTab.append( staticContent );\r\n\t\t\t}\r\n\t\t},\r\n\r\n\t\tresizeRefresh : function( elm ) {\r\n\t\t\t// Resize function\r\n\t\t\t// eslint-disable-next-line complexity\r\n\t\t\tvar onResizeRefresh = utility.debounce( function listener() {\r\n\t\t\t\tvar listWidth = elm.mTabs.tabsNav.offsetWidth,\r\n\t\t\t\t\tlistItemsWidth = 0,\r\n\t\t\t\t\tscrollLeftPos,\r\n\t\t\t\t\ttabSelected = elm.querySelector( '.m-tabs__control--selected' );\r\n\r\n\t\t\t\telm.mTabs.tabsNav.classList.remove( 'm-tabs__nav--carousel' ); // Remove class to test widths properly\r\n\r\n\t\t\t\telm.mTabs.tabsListItems.forEach( function loop( listItem ) {\r\n\t\t\t\t\tlistItemsWidth += utility.outerWidthTrue( listItem );\r\n\t\t\t\t});\r\n\r\n\t\t\t\tif ( elm.mTabs.settings.tabsPrimary && listItemsWidth + elm.mTabs.settings.offset > listWidth && elm.mTabs.settings.carouselActive ) {\r\n\t\t\t\t\t// Primary - doesn't fit, but active carousel - update pagination controlls\r\n\t\t\t\t\telm.mTabs.tabsNav.classList.add( 'm-tabs__nav--carousel' ); // Add class back\r\n\t\t\t\t\tsetTimeout( function timeoutFn() {\r\n\t\t\t\t\t\tmTabsFn.updatePagination( elm );\r\n\t\t\t\t\t}, 5 );\r\n\t\t\t\t} else if ( listItemsWidth > listWidth && elm.mTabs.settings.carouselActive ) {\r\n\t\t\t\t\t// Standard - doesn't fit, but active carousel - update pagination controlls\r\n\t\t\t\t\telm.mTabs.tabsNav.classList.add( 'm-tabs__nav--carousel' ); // Add class back\r\n\t\t\t\t\tsetTimeout( function timeoutFn() {\r\n\t\t\t\t\t\tmTabsFn.updatePagination( elm );\r\n\t\t\t\t\t}, 5 );\r\n\t\t\t\t} else if ( elm.mTabs.settings.tabsPrimary && listItemsWidth + elm.mTabs.settings.offset > listWidth ) {\r\n\t\t\t\t\t// Primary - doesn't fit, no active carousel - set up carousel\r\n\t\t\t\t\tmTabsFn.tabsCarousel( elm );\r\n\t\t\t\t} else if ( listItemsWidth > listWidth ) {\r\n\t\t\t\t\t// Standard - doesn't fit, no active carousel - set up carousel\r\n\t\t\t\t\tmTabsFn.tabsCarousel( elm );\r\n\t\t\t\t} else if ( elm.mTabs.settings.carouselActive ) {\r\n\t\t\t\t\t// All fits, active carousel - destroy carousel\r\n\t\t\t\t\telm.mTabs.tabsNav.classList.remove( 'm-tabs__nav--carousel' );\r\n\t\t\t\t\telm.mTabs.settings.carouselActive = false;\r\n\t\t\t\t\telm.mTabs.tabsNav.removeChild( elm.mTabs.pagination );\r\n\t\t\t\t} else {\r\n\t\t\t\t\t// All fits, no active carousel - do nothing\r\n\t\t\t\t}\r\n\r\n\t\t\t\t// Slide selected trigger to far left\r\n\t\t\t\tif ( elm.mTabs.settings.scrollLock ) {\r\n\t\t\t\t\t// Prevent scolling when already scrolling\r\n\t\t\t\t} else {\r\n\t\t\t\t\tscrollLeftPos = tabSelected.parentNode.offsetLeft - elm.mTabs.settings.offset;\r\n\t\t\t\t\telm.mTabs.tabsNavList.scrollTo( scrollLeftPos, 0 );\r\n\t\t\t\t}\r\n\t\t\t}, 10 );\r\n\r\n\t\t\t// Create eventListeners\r\n\t\t\twindow.addEventListener( 'resize', onResizeRefresh );\r\n\t\t\twindow.addEventListener( 'refresh', onResizeRefresh, false );\r\n\t\t\tonResizeRefresh();\r\n\t\t},\r\n\r\n\t\tswitchTabOnArrowPress : function( elm, event ) {\r\n\t\t\tvar pressed = event.key,\r\n\t\t\t\ttarget = event.target,\r\n\t\t\t\ttargetIndex = elm.mTabs.tabsControls.indexOf( target ),\r\n\t\t\t\tdirection = elm.mTabs.settings.direction[ pressed ];\r\n\r\n\t\t\tif ( Number.isInteger( direction ) ) {\r\n\t\t\t\tif ( targetIndex >= 0 ) {\r\n\t\t\t\t\tif ( pressed === 'Home' ) {\r\n\t\t\t\t\t\telm.mTabs.tabsControls[ 0 ].focus(); // Move to first tab\r\n\t\t\t\t\t} else if ( pressed === 'End' ) {\r\n\t\t\t\t\t\telm.mTabs.tabsControls[ elm.mTabs.tabsControls.length - 1 ].focus(); // Move to last tab\r\n\t\t\t\t\t} else if ( elm.mTabs.tabsControls[ targetIndex + direction ] ) {\r\n\t\t\t\t\t\telm.mTabs.tabsControls[ targetIndex + direction ].focus(); // Move by one tab left or right\r\n\t\t\t\t\t} else if ( direction === -1 ) {\r\n\t\t\t\t\t\telm.mTabs.tabsControls[ elm.mTabs.tabsControls.length - 1 ].focus(); // Loop around to last tab\r\n\t\t\t\t\t} else if ( direction === 1 ) {\r\n\t\t\t\t\t\telm.mTabs.tabsControls[ 0 ].focus(); // Loop around to first tab\r\n\t\t\t\t\t} else {\r\n\t\t\t\t\t\t// Do nothing\r\n\t\t\t\t\t}\r\n\t\t\t\t}\r\n\t\t\t}\r\n\t\t},\r\n\t};\r\n\r\n\treturn {\r\n\t\tinitInstance : function( elm ) {\r\n\t\t\treturn mTabsFn.init( elm );\r\n\t\t},\r\n\t};\r\n});\r\n"]}