1(()=>{const e=document.querySelectorAll(".coblocks-animate");if("IntersectionObserver"in window){const t=new IntersectionObserver((e=>{e.forEach((e=>{e.isIntersecting&&(e.target.classList.add(e.target.dataset.coblocksAnimation),t.unobserve(e.target))}))}),{threshold:[.15]});e.forEach((e=>{t.observe(e)}))}else e.forEach((e=>{e.classList.remove("coblocks-animate"),delete e.dataset.coblocksAnimation}))})();; 2/** 3 * File navigation.js. 4 * 5 * Handles toggling the navigation menu for small screens and enables TAB key 6 * navigation support for dropdown menus. 7 */ 8( function() { 9 var container, button, menu, links, subMenus, i, len; 10 11 container = document.getElementById( 'site-navigation' ); 12 if ( ! container ) { 13 return; 14 } 15 16 button = container.getElementsByTagName( 'button' )[0]; 17 if ( 'undefined' === typeof button ) { 18 return; 19 } 20 21 menu = container.getElementsByTagName( 'ul' )[0]; 22 23 // Hide menu toggle button if menu is empty and return early. 24 if ( 'undefined' === typeof menu ) { 25 button.style.display = 'none'; 26 return; 27 } 28 29 menu.setAttribute( 'aria-expanded', 'false' ); 30 if ( -1 === menu.className.indexOf( 'nav-menu' ) ) { 31 menu.className += ' nav-menu'; 32 } 33 34 button.onclick = function() { 35 if ( -1 !== container.className.indexOf( 'toggled' ) ) { 36 container.className = container.className.replace( ' toggled', '' ); 37 button.setAttribute( 'aria-expanded', 'false' ); 38 menu.setAttribute( 'aria-expanded', 'false' ); 39 } else { 40 container.className += ' toggled'; 41 button.setAttribute( 'aria-expanded', 'true' ); 42 menu.setAttribute( 'aria-expanded', 'true' ); 43 } 44 }; 45 46 // Get all the link elements within the menu. 47 links = menu.getElementsByTagName( 'a' ); 48 subMenus = menu.getElementsByTagName( 'ul' ); 49 50 // Set menu items with submenus to aria-haspopup="true". 51 for ( i = 0, len = subMenus.length; i < len; i++ ) { 52 subMenus[i].parentNode.setAttribute( 'aria-haspopup', 'true' ); 53 } 54 55 // Each time a menu link is focused or blurred, toggle focus. 56 for ( i = 0, len = links.length; i < len; i++ ) { 57 links[i].addEventListener( 'focus', toggleFocus, true ); 58 links[i].addEventListener( 'blur', toggleFocus, true ); 59 } 60 61 /** 62 * Sets or removes .focus class on an element. 63 */ 64 function toggleFocus() { 65 var self = this; 66 67 // Move up through the ancestors of the current link until we hit .nav-menu. 68 while ( -1 === self.className.indexOf( 'nav-menu' ) ) { 69 70 // On li elements toggle the class .focus. 71 if ( 'li' === self.tagName.toLowerCase() ) { 72 if ( -1 !== self.className.indexOf( 'focus' ) ) { 73 self.className = self.className.replace( ' focus', '' ); 74 } else { 75 self.className += ' focus'; 76 } 77 } 78 79 self = self.parentElement; 80 } 81 } 82 83 /** 84 * Toggles `focus` class to allow submenu access on tablets. 85 */ 86 ( function ( container ) { 87 var touchStartFn, 88 parentLink = container.querySelectorAll( '.menu-item-has-children > a, .page_item_has_children > a' ); 89 90 if ( 'ontouchstart' in window ) { 91 touchStartFn = function( e ) { 92 var menuItem = this.parentNode; 93 94 if ( ! menuItem.classList.contains( 'focus' ) ) { 95 e.preventDefault(); 96 for( var i = 0; i < menuItem.parentNode.children.length; ++i ) { 97 if ( menuItem === menuItem.parentNode.children[i] ) { 98 continue; 99 } 100 menuItem.parentNode.children[i].classList.remove( 'focus' ); 101 } 102 menuItem.classList.add( 'focus' ); 103 } else { 104 menuItem.classList.remove( 'focus' ); 105 } 106 }; 107 108 for ( var i = 0; i < parentLink.length; ++i ) { 109 parentLink[i].addEventListener( 'touchstart', touchStartFn, false ); 110 } 111 } 112 } ( container ) ); 113} )(); 114; 115/** 116 * File skip-link-focus-fix.js. 117 * 118 * Helps with accessibility for keyboard only users. 119 * 120 * Learn more: https://git.io/vWdr2 121 */ 122( function() { 123 var isWebkit = navigator.userAgent.toLowerCase().indexOf( 'webkit' ) > -1, 124 isOpera = navigator.userAgent.toLowerCase().indexOf( 'opera' ) > -1, 125 isIe = navigator.userAgent.toLowerCase().indexOf( 'msie' ) > -1; 126 127 if ( ( isWebkit || isOpera || isIe ) && document.getElementById && window.addEventListener ) { 128 window.addEventListener( 'hashchange', function() { 129 var id = location.hash.substring( 1 ), 130 element; 131 132 if ( ! ( /^[A-z0-9_-]+$/.test( id ) ) ) { 133 return; 134 } 135 136 element = document.getElementById( id ); 137 138 if ( element ) { 139 if ( ! ( /^(?:a|select|input|button|textarea)$/i.test( element.tagName ) ) ) { 140 element.tabIndex = -1; 141 } 142 143 element.focus(); 144 } 145 }, false ); 146 } 147})(); 148; 149/** 150 * Handles sticky header 151 */ 152 153( function () { 154 'use strict'; 155 156 var stickyHeader = document.querySelector( '.sticky-wrapper' ); 157 var topBar = document.querySelector( '.top-bar' ); 158 var stickyHeaderOffset = parseFloat( 159 ( getComputedStyle( topBar ).height || '0' ).replace( 'px', '' ) 160 ); 161 162 var nextFrame = null; 163 164 if ( ! stickyHeader || ! topBar ) { 165 return; 166 } 167 168 function stickyTime() { 169 var windowWidth = document.documentElement.clientWidth; 170 171 if ( window.pageYOffset >= stickyHeaderOffset && windowWidth >= 1100 ) { 172 stickyHeader.classList.add( 'sticking' ); 173 174 var stuckHeader = document.querySelector( '.sticky-wrapper.sticking' ); 175 var stickyHeaderHeight = getComputedStyle( stuckHeader ).height; 176 177 document.body.style.paddingTop = stickyHeaderHeight; 178 topBar.style.visibility = 'hidden'; 179 } else { 180 stickyHeader.classList.remove( 'sticking' ); 181 document.body.removeAttribute( 'style' ); 182 topBar.removeAttribute( 'style' ); 183 } 184 185 nextFrame = null; 186 } 187 188 if ( document.readyState === 'complete' ) { 189 stickyTime(); 190 } else { 191 window.addEventListener( 'load', stickyTime ); 192 } 193 194 document.addEventListener( 'scroll', function () { 195 if ( window.requestAnimationFrame ) { 196 nextFrame = nextFrame || requestAnimationFrame( stickyTime ); 197 } else { 198 stickyTime(); 199 } 200 } ); 201} )(); 202;
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