laipower/wp-content/themes/generatepress/assets/js/navigation-search.js

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JavaScript
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( function() {
'use strict';
if ( 'querySelector' in document && 'addEventListener' in window ) {
/**
* Navigation search.
*
* @param {Object} e The event.
* @param {Object} item The clicked item.
*/
var toggleSearch = function( e, item ) {
e.preventDefault();
if ( ! item ) {
item = this;
}
var forms = document.querySelectorAll( '.navigation-search' ),
toggles = document.querySelectorAll( '.search-item' ),
focusableEls = document.querySelectorAll( 'a[href], area[href], input:not([disabled]):not(.navigation-search), select:not([disabled]), textarea:not([disabled]), button:not([disabled]), [tabindex="0"]' ),
nav = '';
if ( item.closest( '.mobile-menu-control-wrapper' ) ) {
nav = document.getElementById( 'site-navigation' );
}
for ( var i = 0; i < forms.length; i++ ) {
if ( forms[ i ].classList.contains( 'nav-search-active' ) ) {
if ( forms[ i ].closest( '#sticky-placeholder' ) ) {
continue;
}
forms[ i ].classList.remove( 'nav-search-active' );
var activeSearch = document.querySelector( '.has-active-search' );
if ( activeSearch ) {
activeSearch.classList.remove( 'has-active-search' );
}
for ( var t = 0; t < toggles.length; t++ ) {
toggles[ t ].classList.remove( 'close-search' );
toggles[ t ].classList.remove( 'active' );
toggles[ t ].querySelector( 'a' ).setAttribute( 'aria-label', generatepressNavSearch.open );
// Allow tabindex on items again.
for ( var f = 0; f < focusableEls.length; f++ ) {
if ( ! focusableEls[ f ].closest( '.navigation-search' ) && ! focusableEls[ f ].closest( '.search-item' ) ) {
focusableEls[ f ].removeAttribute( 'tabindex' );
}
}
}
document.activeElement.blur();
} else {
if ( forms[ i ].closest( '#sticky-placeholder' ) ) {
continue;
}
var openedMobileMenu = forms[ i ].closest( '.toggled' );
if ( openedMobileMenu ) {
// Close the mobile menu.
openedMobileMenu.querySelector( 'button.menu-toggle' ).click();
}
if ( nav ) {
nav.classList.add( 'has-active-search' );
}
forms[ i ].classList.add( 'nav-search-active' );
var container = this.closest( 'nav' );
if ( container ) {
if ( container.classList.contains( 'mobile-menu-control-wrapper' ) ) {
container = nav;
}
var searchField = container.querySelector( '.search-field' );
if ( searchField ) {
searchField.focus();
}
}
for ( t = 0; t < toggles.length; t++ ) {
toggles[ t ].classList.add( 'active' );
toggles[ t ].querySelector( 'a' ).setAttribute( 'aria-label', generatepressNavSearch.close );
// Trap tabindex within the search element
for ( f = 0; f < focusableEls.length; f++ ) {
if ( ! focusableEls[ f ].closest( '.navigation-search' ) && ! focusableEls[ f ].closest( '.search-item' ) ) {
focusableEls[ f ].setAttribute( 'tabindex', '-1' );
}
}
toggles[ t ].classList.add( 'close-search' );
}
}
}
};
if ( document.body.classList.contains( 'nav-search-enabled' ) ) {
var searchItems = document.querySelectorAll( '.search-item' );
for ( var i = 0; i < searchItems.length; i++ ) {
searchItems[ i ].addEventListener( 'click', toggleSearch, false );
}
// Close navigation search on escape key
document.addEventListener( 'keydown', function( e ) {
if ( document.querySelector( '.navigation-search.nav-search-active' ) ) {
if ( 'Escape' === e.key ) {
var activeSearchItems = document.querySelectorAll( '.search-item.active' );
for ( var activeSearchItem = 0; activeSearchItem < activeSearchItems.length; activeSearchItem++ ) {
toggleSearch( e, activeSearchItems[ activeSearchItem ] );
break;
}
}
}
}, false );
}
}
}() );