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/******/ (() => { // webpackBootstrap |
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var __webpack_exports__ = {}; |
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/*eslint-env browser*/ |
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// Open on click functionality. |
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|
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/** |
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* Keep track of whether a submenu is open to short-circuit delegated event listeners. |
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* |
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* @type {boolean} |
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*/ |
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let hasOpenSubmenu = false; |
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|
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/** |
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* Close submenu items for a navigation item. |
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* |
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* @param {HTMLElement} navigationItem - Either a NAV or LI element. |
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*/ |
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function closeSubmenus(navigationItem) { |
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navigationItem.querySelectorAll('[aria-expanded="true"]').forEach(function (toggle) { |
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toggle.setAttribute('aria-expanded', 'false'); |
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}); |
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hasOpenSubmenu = false; |
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} |
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|
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/** |
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* Toggle submenu on click. |
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* |
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* @param {HTMLButtonElement} buttonToggle |
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*/ |
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function toggleSubmenuOnClick(buttonToggle) { |
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const isSubmenuOpen = buttonToggle.getAttribute('aria-expanded') === 'true'; |
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const navigationItem = buttonToggle.closest('.wp-block-navigation-item'); |
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if (isSubmenuOpen) { |
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closeSubmenus(navigationItem); |
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} else { |
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// Close all sibling submenus. |
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const navigationParent = buttonToggle.closest('.wp-block-navigation__submenu-container, .wp-block-navigation__container, .wp-block-page-list'); |
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navigationParent.querySelectorAll('.wp-block-navigation-item').forEach(child => { |
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if (child !== navigationItem) { |
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closeSubmenus(child); |
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} |
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}); |
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|
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// Open submenu. |
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buttonToggle.setAttribute('aria-expanded', 'true'); |
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hasOpenSubmenu = true; |
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} |
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} |
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|
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// Open on button click or close on click outside. |
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document.addEventListener('click', function (event) { |
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const target = event.target; |
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const button = target.closest('.wp-block-navigation-submenu__toggle'); |
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|
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// Close any other open submenus. |
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if (hasOpenSubmenu) { |
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const navigationBlocks = document.querySelectorAll('.wp-block-navigation'); |
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navigationBlocks.forEach(function (block) { |
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if (!block.contains(target)) { |
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closeSubmenus(block); |
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} |
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}); |
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} |
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|
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// Now open the submenu if one was clicked. |
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if (button instanceof HTMLButtonElement) { |
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toggleSubmenuOnClick(button); |
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} |
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}, { |
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passive: true |
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}); |
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|
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// Close on focus outside or escape key. |
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document.addEventListener('keyup', function (event) { |
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// Abort if there aren't any submenus open anyway. |
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if (!hasOpenSubmenu) { |
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return; |
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} |
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const submenuBlocks = document.querySelectorAll('.wp-block-navigation-item.has-child'); |
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submenuBlocks.forEach(function (block) { |
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if (!block.contains(event.target)) { |
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closeSubmenus(block); |
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} else if (event.key === 'Escape') { |
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const toggle = block.querySelector('[aria-expanded="true"]'); |
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closeSubmenus(block); |
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// Focus the submenu trigger so focus does not get trapped in the closed submenu. |
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toggle?.focus(); |
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} |
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}); |
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}, { |
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passive: true |
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}); |
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|
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/******/ })() |
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; |
