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authorCharles Cabergs <me@cacharle.xyz>2020-07-27 10:05:23 +0200
committerCharles Cabergs <me@cacharle.xyz>2020-07-27 10:05:23 +0200
commit5bf66662a9bdd62c5bccab15e607cd95cfb8fcab (patch)
tree39a1a4629749056191c05dfd899f931701b7acf3 /srcs/wordpress/wp-content/themes/twentytwenty/assets/js/index.js
parent5afd237bbd22028b85532b8c0b3fcead49a00764 (diff)
downloadft_server-master.tar.gz
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Removed wordpress and phpmyadmin, my server doesn't handle it well and it brings shame on my famillyHEADmaster
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-/* -----------------------------------------------------------------------------------------------
- Namespace
---------------------------------------------------------------------------------------------------- */
-
-var twentytwenty = twentytwenty || {};
-
-// Set a default value for scrolled.
-twentytwenty.scrolled = 0;
-
-// polyfill closest
-// https://developer.mozilla.org/en-US/docs/Web/API/Element/closest#Polyfill
-if ( ! Element.prototype.closest ) {
- Element.prototype.closest = function( s ) {
- var el = this;
-
- do {
- if ( el.matches( s ) ) {
- return el;
- }
-
- el = el.parentElement || el.parentNode;
- } while ( el !== null && el.nodeType === 1 );
-
- return null;
- };
-}
-
-// polyfill forEach
-// https://developer.mozilla.org/en-US/docs/Web/API/NodeList/forEach#Polyfill
-if ( window.NodeList && ! NodeList.prototype.forEach ) {
- NodeList.prototype.forEach = function( callback, thisArg ) {
- var i;
- var len = this.length;
-
- thisArg = thisArg || window;
-
- for ( i = 0; i < len; i++ ) {
- callback.call( thisArg, this[ i ], i, this );
- }
- };
-}
-
-// event "polyfill"
-twentytwenty.createEvent = function( eventName ) {
- var event;
- if ( typeof window.Event === 'function' ) {
- event = new Event( eventName );
- } else {
- event = document.createEvent( 'Event' );
- event.initEvent( eventName, true, false );
- }
- return event;
-};
-
-// matches "polyfill"
-// https://developer.mozilla.org/es/docs/Web/API/Element/matches
-if ( ! Element.prototype.matches ) {
- Element.prototype.matches =
- Element.prototype.matchesSelector ||
- Element.prototype.mozMatchesSelector ||
- Element.prototype.msMatchesSelector ||
- Element.prototype.oMatchesSelector ||
- Element.prototype.webkitMatchesSelector ||
- function( s ) {
- var matches = ( this.document || this.ownerDocument ).querySelectorAll( s ),
- i = matches.length;
- while ( --i >= 0 && matches.item( i ) !== this ) {}
- return i > -1;
- };
-}
-
-// Add a class to the body for when touch is enabled for browsers that don't support media queries
-// for interaction media features. Adapted from <https://codepen.io/Ferie/pen/vQOMmO>
-twentytwenty.touchEnabled = {
-
- init: function() {
- var matchMedia = function() {
- // Include the 'heartz' as a way to have a non matching MQ to help terminate the join. See <https://git.io/vznFH>.
- var prefixes = [ '-webkit-', '-moz-', '-o-', '-ms-' ];
- var query = [ '(', prefixes.join( 'touch-enabled),(' ), 'heartz', ')' ].join( '' );
- return window.matchMedia && window.matchMedia( query ).matches;
- };
-
- if ( ( 'ontouchstart' in window ) || ( window.DocumentTouch && document instanceof window.DocumentTouch ) || matchMedia() ) {
- document.body.classList.add( 'touch-enabled' );
- }
- }
-}; // twentytwenty.touchEnabled
-
-/* -----------------------------------------------------------------------------------------------
- Cover Modals
---------------------------------------------------------------------------------------------------- */
-
-twentytwenty.coverModals = {
-
- init: function() {
- if ( document.querySelector( '.cover-modal' ) ) {
- // Handle cover modals when they're toggled
- this.onToggle();
-
- // When toggled, untoggle if visitor clicks on the wrapping element of the modal
- this.outsideUntoggle();
-
- // Close on escape key press
- this.closeOnEscape();
-
- // Hide and show modals before and after their animations have played out
- this.hideAndShowModals();
- }
- },
-
- // Handle cover modals when they're toggled
- onToggle: function() {
- document.querySelectorAll( '.cover-modal' ).forEach( function( element ) {
- element.addEventListener( 'toggled', function( event ) {
- var modal = event.target,
- body = document.body;
-
- if ( modal.classList.contains( 'active' ) ) {
- body.classList.add( 'showing-modal' );
- } else {
- body.classList.remove( 'showing-modal' );
- body.classList.add( 'hiding-modal' );
-
- // Remove the hiding class after a delay, when animations have been run
- setTimeout( function() {
- body.classList.remove( 'hiding-modal' );
- }, 500 );
- }
- } );
- } );
- },
-
- // Close modal on outside click
- outsideUntoggle: function() {
- document.addEventListener( 'click', function( event ) {
- var target = event.target;
- var modal = document.querySelector( '.cover-modal.active' );
-
- if ( target === modal ) {
- this.untoggleModal( target );
- }
- }.bind( this ) );
- },
-
- // Close modal on escape key press
- closeOnEscape: function() {
- document.addEventListener( 'keydown', function( event ) {
- if ( event.keyCode === 27 ) {
- event.preventDefault();
- document.querySelectorAll( '.cover-modal.active' ).forEach( function( element ) {
- this.untoggleModal( element );
- }.bind( this ) );
- }
- }.bind( this ) );
- },
-
- // Hide and show modals before and after their animations have played out
- hideAndShowModals: function() {
- var _doc = document,
- _win = window,
- modals = _doc.querySelectorAll( '.cover-modal' ),
- htmlStyle = _doc.documentElement.style,
- adminBar = _doc.querySelector( '#wpadminbar' );
-
- function getAdminBarHeight( negativeValue ) {
- var height,
- currentScroll = _win.pageYOffset;
-
- if ( adminBar ) {
- height = currentScroll + adminBar.getBoundingClientRect().height;
-
- return negativeValue ? -height : height;
- }
-
- return currentScroll === 0 ? 0 : -currentScroll;
- }
-
- function htmlStyles() {
- var overflow = _win.innerHeight > _doc.documentElement.getBoundingClientRect().height;
-
- return {
- 'overflow-y': overflow ? 'hidden' : 'scroll',
- position: 'fixed',
- width: '100%',
- top: getAdminBarHeight( true ) + 'px',
- left: 0
- };
- }
-
- // Show the modal
- modals.forEach( function( modal ) {
- modal.addEventListener( 'toggle-target-before-inactive', function( event ) {
- var styles = htmlStyles(),
- offsetY = _win.pageYOffset,
- paddingTop = ( Math.abs( getAdminBarHeight() ) - offsetY ) + 'px',
- mQuery = _win.matchMedia( '(max-width: 600px)' );
-
- if ( event.target !== modal ) {
- return;
- }
-
- Object.keys( styles ).forEach( function( styleKey ) {
- htmlStyle.setProperty( styleKey, styles[ styleKey ] );
- } );
-
- _win.twentytwenty.scrolled = parseInt( styles.top, 10 );
-
- if ( adminBar ) {
- _doc.body.style.setProperty( 'padding-top', paddingTop );
-
- if ( mQuery.matches ) {
- if ( offsetY >= getAdminBarHeight() ) {
- modal.style.setProperty( 'top', 0 );
- } else {
- modal.style.setProperty( 'top', ( getAdminBarHeight() - offsetY ) + 'px' );
- }
- }
- }
-
- modal.classList.add( 'show-modal' );
- } );
-
- // Hide the modal after a delay, so animations have time to play out
- modal.addEventListener( 'toggle-target-after-inactive', function( event ) {
- if ( event.target !== modal ) {
- return;
- }
-
- setTimeout( function() {
- var clickedEl = twentytwenty.toggles.clickedEl;
-
- modal.classList.remove( 'show-modal' );
-
- Object.keys( htmlStyles() ).forEach( function( styleKey ) {
- htmlStyle.removeProperty( styleKey );
- } );
-
- if ( adminBar ) {
- _doc.body.style.removeProperty( 'padding-top' );
- modal.style.removeProperty( 'top' );
- }
-
- if ( clickedEl !== false ) {
- clickedEl.focus();
- clickedEl = false;
- }
-
- _win.scrollTo( 0, Math.abs( _win.twentytwenty.scrolled + getAdminBarHeight() ) );
-
- _win.twentytwenty.scrolled = 0;
- }, 500 );
- } );
- } );
- },
-
- // Untoggle a modal
- untoggleModal: function( modal ) {
- var modalTargetClass,
- modalToggle = false;
-
- // If the modal has specified the string (ID or class) used by toggles to target it, untoggle the toggles with that target string
- // The modal-target-string must match the string toggles use to target the modal
- if ( modal.dataset.modalTargetString ) {
- modalTargetClass = modal.dataset.modalTargetString;
-
- modalToggle = document.querySelector( '*[data-toggle-target="' + modalTargetClass + '"]' );
- }
-
- // If a modal toggle exists, trigger it so all of the toggle options are included
- if ( modalToggle ) {
- modalToggle.click();
-
- // If one doesn't exist, just hide the modal
- } else {
- modal.classList.remove( 'active' );
- }
- }
-
-}; // twentytwenty.coverModals
-
-/* -----------------------------------------------------------------------------------------------
- Intrinsic Ratio Embeds
---------------------------------------------------------------------------------------------------- */
-
-twentytwenty.intrinsicRatioVideos = {
-
- init: function() {
- this.makeFit();
-
- window.addEventListener( 'resize', function() {
- this.makeFit();
- }.bind( this ) );
- },
-
- makeFit: function() {
- document.querySelectorAll( 'iframe, object, video' ).forEach( function( video ) {
- var ratio, iTargetWidth,
- container = video.parentNode;
-
- // Skip videos we want to ignore
- if ( video.classList.contains( 'intrinsic-ignore' ) || video.parentNode.classList.contains( 'intrinsic-ignore' ) ) {
- return true;
- }
-
- if ( ! video.dataset.origwidth ) {
- // Get the video element proportions
- video.setAttribute( 'data-origwidth', video.width );
- video.setAttribute( 'data-origheight', video.height );
- }
-
- iTargetWidth = container.offsetWidth;
-
- // Get ratio from proportions
- ratio = iTargetWidth / video.dataset.origwidth;
-
- // Scale based on ratio, thus retaining proportions
- video.style.width = iTargetWidth + 'px';
- video.style.height = ( video.dataset.origheight * ratio ) + 'px';
- } );
- }
-
-}; // twentytwenty.instrinsicRatioVideos
-
-/* -----------------------------------------------------------------------------------------------
- Modal Menu
---------------------------------------------------------------------------------------------------- */
-twentytwenty.modalMenu = {
-
- init: function() {
- // If the current menu item is in a sub level, expand all the levels higher up on load
- this.expandLevel();
- this.keepFocusInModal();
- },
-
- expandLevel: function() {
- var modalMenus = document.querySelectorAll( '.modal-menu' );
-
- modalMenus.forEach( function( modalMenu ) {
- var activeMenuItem = modalMenu.querySelector( '.current-menu-item' );
-
- if ( activeMenuItem ) {
- twentytwentyFindParents( activeMenuItem, 'li' ).forEach( function( element ) {
- var subMenuToggle = element.querySelector( '.sub-menu-toggle' );
- if ( subMenuToggle ) {
- twentytwenty.toggles.performToggle( subMenuToggle, true );
- }
- } );
- }
- } );
- },
-
- keepFocusInModal: function() {
- var _doc = document;
-
- _doc.addEventListener( 'keydown', function( event ) {
- var toggleTarget, modal, selectors, elements, menuType, bottomMenu, activeEl, lastEl, firstEl, tabKey, shiftKey,
- clickedEl = twentytwenty.toggles.clickedEl;
-
- if ( clickedEl && _doc.body.classList.contains( 'showing-modal' ) ) {
- toggleTarget = clickedEl.dataset.toggleTarget;
- selectors = 'input, a, button';
- modal = _doc.querySelector( toggleTarget );
-
- elements = modal.querySelectorAll( selectors );
- elements = Array.prototype.slice.call( elements );
-
- if ( '.menu-modal' === toggleTarget ) {
- menuType = window.matchMedia( '(min-width: 1000px)' ).matches;
- menuType = menuType ? '.expanded-menu' : '.mobile-menu';
-
- elements = elements.filter( function( element ) {
- return null !== element.closest( menuType ) && null !== element.offsetParent;
- } );
-
- elements.unshift( _doc.querySelector( '.close-nav-toggle' ) );
-
- bottomMenu = _doc.querySelector( '.menu-bottom > nav' );
-
- if ( bottomMenu ) {
- bottomMenu.querySelectorAll( selectors ).forEach( function( element ) {
- elements.push( element );
- } );
- }
- }
-
- lastEl = elements[ elements.length - 1 ];
- firstEl = elements[0];
- activeEl = _doc.activeElement;
- tabKey = event.keyCode === 9;
- shiftKey = event.shiftKey;
-
- if ( ! shiftKey && tabKey && lastEl === activeEl ) {
- event.preventDefault();
- firstEl.focus();
- }
-
- if ( shiftKey && tabKey && firstEl === activeEl ) {
- event.preventDefault();
- lastEl.focus();
- }
- }
- } );
- }
-}; // twentytwenty.modalMenu
-
-/* -----------------------------------------------------------------------------------------------
- Primary Menu
---------------------------------------------------------------------------------------------------- */
-
-twentytwenty.primaryMenu = {
-
- init: function() {
- this.focusMenuWithChildren();
- },
-
- // The focusMenuWithChildren() function implements Keyboard Navigation in the Primary Menu
- // by adding the '.focus' class to all 'li.menu-item-has-children' when the focus is on the 'a' element.
- focusMenuWithChildren: function() {
- // Get all the link elements within the primary menu.
- var links, i, len,
- menu = document.querySelector( '.primary-menu-wrapper' );
-
- if ( ! menu ) {
- return false;
- }
-
- links = menu.getElementsByTagName( 'a' );
-
- // Each time a menu link is focused or blurred, toggle focus.
- for ( i = 0, len = links.length; i < len; i++ ) {
- links[i].addEventListener( 'focus', toggleFocus, true );
- links[i].addEventListener( 'blur', toggleFocus, true );
- }
-
- //Sets or removes the .focus class on an element.
- function toggleFocus() {
- var self = this;
-
- // Move up through the ancestors of the current link until we hit .primary-menu.
- while ( -1 === self.className.indexOf( 'primary-menu' ) ) {
- // On li elements toggle the class .focus.
- if ( 'li' === self.tagName.toLowerCase() ) {
- if ( -1 !== self.className.indexOf( 'focus' ) ) {
- self.className = self.className.replace( ' focus', '' );
- } else {
- self.className += ' focus';
- }
- }
- self = self.parentElement;
- }
- }
- }
-}; // twentytwenty.primaryMenu
-
-/* -----------------------------------------------------------------------------------------------
- Toggles
---------------------------------------------------------------------------------------------------- */
-
-twentytwenty.toggles = {
-
- clickedEl: false,
-
- init: function() {
- // Do the toggle
- this.toggle();
-
- // Check for toggle/untoggle on resize
- this.resizeCheck();
-
- // Check for untoggle on escape key press
- this.untoggleOnEscapeKeyPress();
- },
-
- performToggle: function( element, instantly ) {
- var target, timeOutTime, classToToggle,
- self = this,
- _doc = document,
- // Get our targets
- toggle = element,
- targetString = toggle.dataset.toggleTarget,
- activeClass = 'active';
-
- // Elements to focus after modals are closed
- if ( ! _doc.querySelectorAll( '.show-modal' ).length ) {
- self.clickedEl = _doc.activeElement;
- }
-
- if ( targetString === 'next' ) {
- target = toggle.nextSibling;
- } else {
- target = _doc.querySelector( targetString );
- }
-
- // Trigger events on the toggle targets before they are toggled
- if ( target.classList.contains( activeClass ) ) {
- target.dispatchEvent( twentytwenty.createEvent( 'toggle-target-before-active' ) );
- } else {
- target.dispatchEvent( twentytwenty.createEvent( 'toggle-target-before-inactive' ) );
- }
-
- // Get the class to toggle, if specified
- classToToggle = toggle.dataset.classToToggle ? toggle.dataset.classToToggle : activeClass;
-
- // For cover modals, set a short timeout duration so the class animations have time to play out
- timeOutTime = 0;
-
- if ( target.classList.contains( 'cover-modal' ) ) {
- timeOutTime = 10;
- }
-
- setTimeout( function() {
- var focusElement,
- subMenued = target.classList.contains( 'sub-menu' ),
- newTarget = subMenued ? toggle.closest( '.menu-item' ).querySelector( '.sub-menu' ) : target,
- duration = toggle.dataset.toggleDuration;
-
- // Toggle the target of the clicked toggle
- if ( toggle.dataset.toggleType === 'slidetoggle' && ! instantly && duration !== '0' ) {
- twentytwentyMenuToggle( newTarget, duration );
- } else {
- newTarget.classList.toggle( classToToggle );
- }
-
- // If the toggle target is 'next', only give the clicked toggle the active class
- if ( targetString === 'next' ) {
- toggle.classList.toggle( activeClass );
- } else if ( target.classList.contains( 'sub-menu' ) ) {
- toggle.classList.toggle( activeClass );
- } else {
- // If not, toggle all toggles with this toggle target
- _doc.querySelector( '*[data-toggle-target="' + targetString + '"]' ).classList.toggle( activeClass );
- }
-
- // Toggle aria-expanded on the toggle
- twentytwentyToggleAttribute( toggle, 'aria-expanded', 'true', 'false' );
-
- if ( self.clickedEl && -1 !== toggle.getAttribute( 'class' ).indexOf( 'close-' ) ) {
- twentytwentyToggleAttribute( self.clickedEl, 'aria-expanded', 'true', 'false' );
- }
-
- // Toggle body class
- if ( toggle.dataset.toggleBodyClass ) {
- _doc.body.classList.toggle( toggle.dataset.toggleBodyClass );
- }
-
- // Check whether to set focus
- if ( toggle.dataset.setFocus ) {
- focusElement = _doc.querySelector( toggle.dataset.setFocus );
-
- if ( focusElement ) {
- if ( target.classList.contains( activeClass ) ) {
- focusElement.focus();
- } else {
- focusElement.blur();
- }
- }
- }
-
- // Trigger the toggled event on the toggle target
- target.dispatchEvent( twentytwenty.createEvent( 'toggled' ) );
-
- // Trigger events on the toggle targets after they are toggled
- if ( target.classList.contains( activeClass ) ) {
- target.dispatchEvent( twentytwenty.createEvent( 'toggle-target-after-active' ) );
- } else {
- target.dispatchEvent( twentytwenty.createEvent( 'toggle-target-after-inactive' ) );
- }
- }, timeOutTime );
- },
-
- // Do the toggle
- toggle: function() {
- var self = this;
-
- document.querySelectorAll( '*[data-toggle-target]' ).forEach( function( element ) {
- element.addEventListener( 'click', function( event ) {
- event.preventDefault();
- self.performToggle( element );
- } );
- } );
- },
-
- // Check for toggle/untoggle on screen resize
- resizeCheck: function() {
- if ( document.querySelectorAll( '*[data-untoggle-above], *[data-untoggle-below], *[data-toggle-above], *[data-toggle-below]' ).length ) {
- window.addEventListener( 'resize', function() {
- var winWidth = window.innerWidth,
- toggles = document.querySelectorAll( '.toggle' );
-
- toggles.forEach( function( toggle ) {
- var unToggleAbove = toggle.dataset.untoggleAbove,
- unToggleBelow = toggle.dataset.untoggleBelow,
- toggleAbove = toggle.dataset.toggleAbove,
- toggleBelow = toggle.dataset.toggleBelow;
-
- // If no width comparison is set, continue
- if ( ! unToggleAbove && ! unToggleBelow && ! toggleAbove && ! toggleBelow ) {
- return;
- }
-
- // If the toggle width comparison is true, toggle the toggle
- if (
- ( ( ( unToggleAbove && winWidth > unToggleAbove ) ||
- ( unToggleBelow && winWidth < unToggleBelow ) ) &&
- toggle.classList.contains( 'active' ) ) ||
- ( ( ( toggleAbove && winWidth > toggleAbove ) ||
- ( toggleBelow && winWidth < toggleBelow ) ) &&
- ! toggle.classList.contains( 'active' ) )
- ) {
- toggle.click();
- }
- } );
- } );
- }
- },
-
- // Close toggle on escape key press
- untoggleOnEscapeKeyPress: function() {
- document.addEventListener( 'keyup', function( event ) {
- if ( event.key === 'Escape' ) {
- document.querySelectorAll( '*[data-untoggle-on-escape].active' ).forEach( function( element ) {
- if ( element.classList.contains( 'active' ) ) {
- element.click();
- }
- } );
- }
- } );
- }
-
-}; // twentytwenty.toggles
-
-/**
- * Is the DOM ready
- *
- * this implementation is coming from https://gomakethings.com/a-native-javascript-equivalent-of-jquerys-ready-method/
- *
- * @param {Function} fn Callback function to run.
- */
-function twentytwentyDomReady( fn ) {
- if ( typeof fn !== 'function' ) {
- return;
- }
-
- if ( document.readyState === 'interactive' || document.readyState === 'complete' ) {
- return fn();
- }
-
- document.addEventListener( 'DOMContentLoaded', fn, false );
-}
-
-twentytwentyDomReady( function() {
- twentytwenty.toggles.init(); // Handle toggles
- twentytwenty.coverModals.init(); // Handle cover modals
- twentytwenty.intrinsicRatioVideos.init(); // Retain aspect ratio of videos on window resize
- twentytwenty.modalMenu.init(); // Modal Menu
- twentytwenty.primaryMenu.init(); // Primary Menu
- twentytwenty.touchEnabled.init(); // Add class to body if device is touch-enabled
-} );
-
-/* -----------------------------------------------------------------------------------------------
- Helper functions
---------------------------------------------------------------------------------------------------- */
-
-/* Toggle an attribute ----------------------- */
-
-function twentytwentyToggleAttribute( element, attribute, trueVal, falseVal ) {
- if ( trueVal === undefined ) {
- trueVal = true;
- }
- if ( falseVal === undefined ) {
- falseVal = false;
- }
- if ( element.getAttribute( attribute ) !== trueVal ) {
- element.setAttribute( attribute, trueVal );
- } else {
- element.setAttribute( attribute, falseVal );
- }
-}
-
-/**
- * Toggle a menu item on or off.
- *
- * @param {HTMLElement} target
- * @param {number} duration
- */
-function twentytwentyMenuToggle( target, duration ) {
- var initialParentHeight, finalParentHeight, menu, menuItems, transitionListener,
- initialPositions = [],
- finalPositions = [];
-
- if ( ! target ) {
- return;
- }
-
- menu = target.closest( '.menu-wrapper' );
-
- // Step 1: look at the initial positions of every menu item.
- menuItems = menu.querySelectorAll( '.menu-item' );
-
- menuItems.forEach( function( menuItem, index ) {
- initialPositions[ index ] = { x: menuItem.offsetLeft, y: menuItem.offsetTop };
- } );
- initialParentHeight = target.parentElement.offsetHeight;
-
- target.classList.add( 'toggling-target' );
-
- // Step 2: toggle target menu item and look at the final positions of every menu item.
- target.classList.toggle( 'active' );
-
- menuItems.forEach( function( menuItem, index ) {
- finalPositions[ index ] = { x: menuItem.offsetLeft, y: menuItem.offsetTop };
- } );
- finalParentHeight = target.parentElement.offsetHeight;
-
- // Step 3: close target menu item again.
- // The whole process happens without giving the browser a chance to render, so it's invisible.
- target.classList.toggle( 'active' );
-
- // Step 4: prepare animation.
- // Position all the items with absolute offsets, at the same starting position.
- // Shouldn't result in any visual changes if done right.
- menu.classList.add( 'is-toggling' );
- target.classList.toggle( 'active' );
- menuItems.forEach( function( menuItem, index ) {
- var initialPosition = initialPositions[ index ];
- if ( initialPosition.y === 0 && menuItem.parentElement === target ) {
- initialPosition.y = initialParentHeight;
- }
- menuItem.style.transform = 'translate(' + initialPosition.x + 'px, ' + initialPosition.y + 'px)';
- } );
-
- // The double rAF is unfortunately needed, since we're toggling CSS classes, and
- // the only way to ensure layout completion here across browsers is to wait twice.
- // This just delays the start of the animation by 2 frames and is thus not an issue.
- requestAnimationFrame( function() {
- requestAnimationFrame( function() {
- // Step 5: start animation by moving everything to final position.
- // All the layout work has already happened, while we were preparing for the animation.
- // The animation now runs entirely in CSS, using cheap CSS properties (opacity and transform)
- // that don't trigger the layout or paint stages.
- menu.classList.add( 'is-animating' );
- menuItems.forEach( function( menuItem, index ) {
- var finalPosition = finalPositions[ index ];
- if ( finalPosition.y === 0 && menuItem.parentElement === target ) {
- finalPosition.y = finalParentHeight;
- }
- if ( duration !== undefined ) {
- menuItem.style.transitionDuration = duration + 'ms';
- }
- menuItem.style.transform = 'translate(' + finalPosition.x + 'px, ' + finalPosition.y + 'px)';
- } );
- if ( duration !== undefined ) {
- target.style.transitionDuration = duration + 'ms';
- }
- } );
-
- // Step 6: finish toggling.
- // Remove all transient classes when the animation ends.
- transitionListener = function() {
- menu.classList.remove( 'is-animating' );
- menu.classList.remove( 'is-toggling' );
- target.classList.remove( 'toggling-target' );
- menuItems.forEach( function( menuItem ) {
- menuItem.style.transform = '';
- menuItem.style.transitionDuration = '';
- } );
- target.style.transitionDuration = '';
- target.removeEventListener( 'transitionend', transitionListener );
- };
-
- target.addEventListener( 'transitionend', transitionListener );
- } );
-}
-
-/**
- * traverses the DOM up to find elements matching the query
- *
- * @param {HTMLElement} target
- * @param {string} query
- * @return {NodeList} parents matching query
- */
-function twentytwentyFindParents( target, query ) {
- var parents = [];
-
- // recursively go up the DOM adding matches to the parents array
- function traverse( item ) {
- var parent = item.parentNode;
- if ( parent instanceof HTMLElement ) {
- if ( parent.matches( query ) ) {
- parents.push( parent );
- }
- traverse( parent );
- }
- }
-
- traverse( target );
-
- return parents;
-}