WordPress/wp-includes/blocks/navigation/view.js

224 lines
8.2 KiB
JavaScript

import * as __WEBPACK_EXTERNAL_MODULE__wordpress_interactivity_8e89b257__ from "@wordpress/interactivity";
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/******/ var __webpack_require__ = {};
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var __webpack_exports__ = {};
;// CONCATENATED MODULE: external "@wordpress/interactivity"
var x = (y) => {
var x = {}; __webpack_require__.d(x, y); return x
}
var y = (x) => (() => (x))
const interactivity_namespaceObject = x({ ["getContext"]: () => (__WEBPACK_EXTERNAL_MODULE__wordpress_interactivity_8e89b257__.getContext), ["getElement"]: () => (__WEBPACK_EXTERNAL_MODULE__wordpress_interactivity_8e89b257__.getElement), ["store"]: () => (__WEBPACK_EXTERNAL_MODULE__wordpress_interactivity_8e89b257__.store) });
;// CONCATENATED MODULE: ./node_modules/@wordpress/block-library/build-module/navigation/view.js
/**
* WordPress dependencies
*/
const focusableSelectors = ['a[href]', 'input:not([disabled]):not([type="hidden"]):not([aria-hidden])', 'select:not([disabled]):not([aria-hidden])', 'textarea:not([disabled]):not([aria-hidden])', 'button:not([disabled]):not([aria-hidden])', '[contenteditable]', '[tabindex]:not([tabindex^="-"])'];
// This is a fix for Safari in iOS/iPadOS. Without it, Safari doesn't focus out
// when the user taps in the body. It can be removed once we add an overlay to
// capture the clicks, instead of relying on the focusout event.
document.addEventListener('click', () => {});
const {
state,
actions
} = (0,interactivity_namespaceObject.store)('core/navigation', {
state: {
get roleAttribute() {
const ctx = (0,interactivity_namespaceObject.getContext)();
return ctx.type === 'overlay' && state.isMenuOpen ? 'dialog' : null;
},
get ariaModal() {
const ctx = (0,interactivity_namespaceObject.getContext)();
return ctx.type === 'overlay' && state.isMenuOpen ? 'true' : null;
},
get ariaLabel() {
const ctx = (0,interactivity_namespaceObject.getContext)();
return ctx.type === 'overlay' && state.isMenuOpen ? ctx.ariaLabel : null;
},
get isMenuOpen() {
// The menu is opened if either `click`, `hover` or `focus` is true.
return Object.values(state.menuOpenedBy).filter(Boolean).length > 0;
},
get menuOpenedBy() {
const ctx = (0,interactivity_namespaceObject.getContext)();
return ctx.type === 'overlay' ? ctx.overlayOpenedBy : ctx.submenuOpenedBy;
}
},
actions: {
openMenuOnHover() {
const {
type,
overlayOpenedBy
} = (0,interactivity_namespaceObject.getContext)();
if (type === 'submenu' &&
// Only open on hover if the overlay is closed.
Object.values(overlayOpenedBy || {}).filter(Boolean).length === 0) {
actions.openMenu('hover');
}
},
closeMenuOnHover() {
const {
type,
overlayOpenedBy
} = (0,interactivity_namespaceObject.getContext)();
if (type === 'submenu' &&
// Only close on hover if the overlay is closed.
Object.values(overlayOpenedBy || {}).filter(Boolean).length === 0) {
actions.closeMenu('hover');
}
},
openMenuOnClick() {
const ctx = (0,interactivity_namespaceObject.getContext)();
const {
ref
} = (0,interactivity_namespaceObject.getElement)();
ctx.previousFocus = ref;
actions.openMenu('click');
},
closeMenuOnClick() {
actions.closeMenu('click');
actions.closeMenu('focus');
},
openMenuOnFocus() {
actions.openMenu('focus');
},
toggleMenuOnClick() {
const ctx = (0,interactivity_namespaceObject.getContext)();
const {
ref
} = (0,interactivity_namespaceObject.getElement)();
// Safari won't send focus to the clicked element, so we need to manually place it: https://bugs.webkit.org/show_bug.cgi?id=22261
if (window.document.activeElement !== ref) {
ref.focus();
}
const {
menuOpenedBy
} = state;
if (menuOpenedBy.click || menuOpenedBy.focus) {
actions.closeMenu('click');
actions.closeMenu('focus');
} else {
ctx.previousFocus = ref;
actions.openMenu('click');
}
},
handleMenuKeydown(event) {
const {
type,
firstFocusableElement,
lastFocusableElement
} = (0,interactivity_namespaceObject.getContext)();
if (state.menuOpenedBy.click) {
// If Escape close the menu.
if (event?.key === 'Escape') {
actions.closeMenu('click');
actions.closeMenu('focus');
return;
}
// Trap focus if it is an overlay (main menu).
if (type === 'overlay' && event.key === 'Tab') {
// If shift + tab it change the direction.
if (event.shiftKey && window.document.activeElement === firstFocusableElement) {
event.preventDefault();
lastFocusableElement.focus();
} else if (!event.shiftKey && window.document.activeElement === lastFocusableElement) {
event.preventDefault();
firstFocusableElement.focus();
}
}
}
},
handleMenuFocusout(event) {
const {
modal,
type
} = (0,interactivity_namespaceObject.getContext)();
// If focus is outside modal, and in the document, close menu
// event.target === The element losing focus
// event.relatedTarget === The element receiving focus (if any)
// When focusout is outside the document,
// `window.document.activeElement` doesn't change.
// The event.relatedTarget is null when something outside the navigation menu is clicked. This is only necessary for Safari.
if (event.relatedTarget === null || !modal?.contains(event.relatedTarget) && event.target !== window.document.activeElement && type === 'submenu') {
actions.closeMenu('click');
actions.closeMenu('focus');
}
},
openMenu(menuOpenedOn = 'click') {
const {
type
} = (0,interactivity_namespaceObject.getContext)();
state.menuOpenedBy[menuOpenedOn] = true;
if (type === 'overlay') {
// Add a `has-modal-open` class to the <html> root.
document.documentElement.classList.add('has-modal-open');
}
},
closeMenu(menuClosedOn = 'click') {
const ctx = (0,interactivity_namespaceObject.getContext)();
state.menuOpenedBy[menuClosedOn] = false;
// Check if the menu is still open or not.
if (!state.isMenuOpen) {
if (ctx.modal?.contains(window.document.activeElement)) {
ctx.previousFocus?.focus();
}
ctx.modal = null;
ctx.previousFocus = null;
if (ctx.type === 'overlay') {
document.documentElement.classList.remove('has-modal-open');
}
}
}
},
callbacks: {
initMenu() {
const ctx = (0,interactivity_namespaceObject.getContext)();
const {
ref
} = (0,interactivity_namespaceObject.getElement)();
if (state.isMenuOpen) {
const focusableElements = ref.querySelectorAll(focusableSelectors);
ctx.modal = ref;
ctx.firstFocusableElement = focusableElements[0];
ctx.lastFocusableElement = focusableElements[focusableElements.length - 1];
}
},
focusFirstElement() {
const {
ref
} = (0,interactivity_namespaceObject.getElement)();
if (state.isMenuOpen) {
const focusableElements = ref.querySelectorAll(focusableSelectors);
focusableElements?.[0]?.focus();
}
}
}
}, {
lock: true
});