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Direktori : /var/www/projetos/takthua.com.br/wp-content/themes/storefront/assets/js/
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Current File : /var/www/projetos/takthua.com.br/wp-content/themes/storefront/assets/js/navigation.js

/* global storefrontScreenReaderText */

/**
 * navigation.js
 *
 * Handles toggling the navigation menu for small screens.
 * Also adds a focus class to parent li's for accessibility.
 */
( function () {
	// eslint-disable-next-line @wordpress/no-global-event-listener
	document.addEventListener( 'DOMContentLoaded', function () {
		const container = document.getElementById( 'site-navigation' );
		if ( ! container ) {
			return;
		}

		const button = container.querySelector( 'button' );

		if ( ! button ) {
			return;
		}

		const menu = container.querySelector( 'ul' );

		// Hide menu toggle button if menu is empty and return early.
		if ( ! menu ) {
			button.style.display = 'none';
			return;
		}

		button.setAttribute( 'aria-expanded', 'false' );
		menu.setAttribute( 'aria-expanded', 'false' );
		menu.classList.add( 'nav-menu' );

		button.addEventListener( 'click', function () {
			container.classList.toggle( 'toggled' );
			const expanded = container.classList.contains( 'toggled' )
				? 'true'
				: 'false';
			button.setAttribute( 'aria-expanded', expanded );
			menu.setAttribute( 'aria-expanded', expanded );
		} );

		// Add dropdown toggle that displays child menu items.
		const handheld = document.getElementsByClassName(
			'handheld-navigation'
		);

		if ( handheld.length > 0 ) {
			[].forEach.call(
				handheld[ 0 ].querySelectorAll(
					'.menu-item-has-children > a, .page_item_has_children > a'
				),
				function ( anchor ) {
					// Add dropdown toggle that displays child menu items
					const btn = document.createElement( 'button' );
					btn.setAttribute( 'aria-expanded', 'false' );
					btn.classList.add( 'dropdown-toggle' );

					const btnSpan = document.createElement( 'span' );
					btnSpan.classList.add( 'screen-reader-text' );
					btnSpan.appendChild(
						document.createTextNode(
							storefrontScreenReaderText.expand
						)
					);

					btn.appendChild( btnSpan );

					anchor.parentNode.insertBefore( btn, anchor.nextSibling );

					// Set the active submenu dropdown toggle button initial state
					if (
						anchor.parentNode.classList.contains(
							'current-menu-ancestor'
						)
					) {
						btn.setAttribute( 'aria-expanded', 'true' );
						btn.classList.add( 'toggled-on' );
						btn.nextElementSibling.classList.add( 'toggled-on' );
					}

					// Add event listener
					btn.addEventListener( 'click', function () {
						btn.classList.toggle( 'toggled-on' );

						// Remove text inside span
						while ( btnSpan.firstChild ) {
							btnSpan.removeChild( btnSpan.firstChild );
						}

						const expanded = btn.classList.contains( 'toggled-on' );

						btn.setAttribute( 'aria-expanded', expanded );
						btnSpan.appendChild(
							document.createTextNode(
								expanded
									? storefrontScreenReaderText.collapse
									: storefrontScreenReaderText.expand
							)
						);
						btn.nextElementSibling.classList.toggle( 'toggled-on' );
					} );
				}
			);
		}

		// Add focus class to parents of sub-menu anchors.
		[].forEach.call(
			document.querySelectorAll(
				'.site-header .menu-item > a, .site-header .page_item > a, .site-header-cart a'
			),
			function ( anchor ) {
				anchor.addEventListener( 'focus', function () {
					// Remove focus class from other sub-menus previously open.
					const elems = document.querySelectorAll( '.focus' );

					[].forEach.call( elems, function ( el ) {
						if ( ! el.contains( anchor ) ) {
							el.classList.remove( 'focus' );

							// Remove blocked class, if it exists.
							if ( el.firstChild && el.firstChild.classList ) {
								el.firstChild.classList.remove( 'blocked' );
							}
						}
					} );

					// Add focus class.
					const li = anchor.parentNode;

					li.classList.add( 'focus' );
				} );
			}
		);

		// Ensure the dropdowns close when user taps outside the site header
		[].forEach.call(
			document.querySelectorAll( 'body #page > :not( .site-header )' ),
			function ( element ) {
				element.addEventListener( 'click', function () {
					[].forEach.call(
						document.querySelectorAll( '.focus, .blocked' ),
						function ( el ) {
							el.classList.remove( 'focus' );
							el.classList.remove( 'blocked' );
						}
					);
				} );
			}
		);

		// Add an identifying class to dropdowns when on a touch device
		// This is required to switch the dropdown hiding method from a negative `left` value to `display: none`.
		if (
			( 'ontouchstart' in window || window.navigator.maxTouchPoints ) &&
			window.innerWidth > 767
		) {
			[].forEach.call(
				document.querySelectorAll(
					'.site-header ul ul, .site-header-cart .widget_shopping_cart'
				),
				function ( element ) {
					element.classList.add( 'sub-menu--is-touch-device' );
				}
			);

			// Add blocked class to links that open sub-menus, and prevent from navigating away on first touch.
			let acceptClick = false;

			[].forEach.call(
				document.querySelectorAll(
					'.site-header .menu-item > a, .site-header .page_item > a, .site-header-cart a'
				),
				function ( anchor ) {
					anchor.addEventListener( 'click', function ( event ) {
						if (
							anchor.classList.contains( 'blocked' ) &&
							acceptClick === false
						) {
							event.preventDefault();
						}

						acceptClick = false;
					} );

					anchor.addEventListener( 'pointerup', function ( event ) {
						if (
							anchor.classList.contains( 'blocked' ) ||
							event.pointerType === 'mouse'
						) {
							acceptClick = true;
						} else if (
							( anchor.className === 'cart-contents' &&
								anchor.parentNode.nextElementSibling &&
								anchor.parentNode.nextElementSibling.textContent.trim() !==
									'' ) ||
							anchor.nextElementSibling
						) {
							anchor.classList.add( 'blocked' );
						} else {
							acceptClick = true;
						}
					} );
				}
			);
		}
	} );
} )();

Zerion Mini Shell 1.0