@wordpress/block-library/build-module/navigation/view.mjs.map

Block library for the WordPress editor.

{
  "version": 3,
  "sources": ["../../src/navigation/view.js"],
  "sourcesContent": ["/**\n * WordPress dependencies\n */\nimport {\n\tstore,\n\tgetContext,\n\tgetElement,\n\twithSyncEvent,\n} from '@wordpress/interactivity';\n\nconst focusableSelectors = [\n\t'a[href]',\n\t'input:not([disabled]):not([type=\"hidden\"]):not([aria-hidden])',\n\t'select:not([disabled]):not([aria-hidden])',\n\t'textarea:not([disabled]):not([aria-hidden])',\n\t'button:not([disabled]):not([aria-hidden])',\n\t'[contenteditable]',\n\t'[tabindex]:not([tabindex^=\"-\"])',\n];\n\n/**\n * Gets all visible focusable elements within a container.\n * Filters out elements that are hidden.\n *\n * @param {HTMLElement} ref - The container element to search within\n * @return {HTMLElement[]} Array of visible focusable elements\n */\nfunction getFocusableElements( ref ) {\n\tconst focusableElements = ref.querySelectorAll( focusableSelectors );\n\treturn Array.from( focusableElements ).filter( ( element ) => {\n\t\t// Use modern checkVisibility API if available (Chrome 105+, Firefox 106+, Safari 17.4+)\n\t\tif ( typeof element.checkVisibility === 'function' ) {\n\t\t\treturn element.checkVisibility( {\n\t\t\t\tcheckOpacity: false,\n\t\t\t\tcheckVisibilityCSS: true,\n\t\t\t} );\n\t\t}\n\t\t// Fallback for older browsers\n\t\treturn element.offsetParent !== null;\n\t} );\n}\n\n// This is a fix for Safari in iOS/iPadOS. Without it, Safari doesn't focus out\n// when the user taps in the body. It can be removed once we add an overlay to\n// capture the clicks, instead of relying on the focusout event.\ndocument.addEventListener( 'click', () => {} );\n\nconst { state, actions } = store(\n\t'core/navigation',\n\t{\n\t\tstate: {\n\t\t\tget roleAttribute() {\n\t\t\t\tconst ctx = getContext();\n\t\t\t\treturn ctx.type === 'overlay' && state.isMenuOpen\n\t\t\t\t\t? 'dialog'\n\t\t\t\t\t: null;\n\t\t\t},\n\t\t\tget ariaModal() {\n\t\t\t\tconst ctx = getContext();\n\t\t\t\treturn ctx.type === 'overlay' && state.isMenuOpen\n\t\t\t\t\t? 'true'\n\t\t\t\t\t: null;\n\t\t\t},\n\t\t\tget ariaLabel() {\n\t\t\t\tconst ctx = getContext();\n\t\t\t\treturn ctx.type === 'overlay' && state.isMenuOpen\n\t\t\t\t\t? ctx.ariaLabel\n\t\t\t\t\t: null;\n\t\t\t},\n\t\t\tget isMenuOpen() {\n\t\t\t\t// The menu is opened if either `click`, `hover` or `focus` is true.\n\t\t\t\treturn (\n\t\t\t\t\tObject.values( state.menuOpenedBy ).filter( Boolean )\n\t\t\t\t\t\t.length > 0\n\t\t\t\t);\n\t\t\t},\n\t\t\tget menuOpenedBy() {\n\t\t\t\tconst ctx = getContext();\n\t\t\t\treturn ctx.type === 'overlay'\n\t\t\t\t\t? ctx.overlayOpenedBy\n\t\t\t\t\t: ctx.submenuOpenedBy;\n\t\t\t},\n\t\t},\n\t\tactions: {\n\t\t\topenMenuOnHover() {\n\t\t\t\tconst { type, overlayOpenedBy } = getContext();\n\t\t\t\tif (\n\t\t\t\t\ttype === 'submenu' &&\n\t\t\t\t\t// Only open on hover if the overlay is closed.\n\t\t\t\t\tObject.values( overlayOpenedBy || {} ).filter( Boolean )\n\t\t\t\t\t\t.length === 0\n\t\t\t\t) {\n\t\t\t\t\tactions.openMenu( 'hover' );\n\t\t\t\t}\n\t\t\t},\n\t\t\tcloseMenuOnHover() {\n\t\t\t\tconst { type, overlayOpenedBy } = getContext();\n\t\t\t\tif (\n\t\t\t\t\ttype === 'submenu' &&\n\t\t\t\t\t// Only close on hover if the overlay is closed.\n\t\t\t\t\tObject.values( overlayOpenedBy || {} ).filter( Boolean )\n\t\t\t\t\t\t.length === 0\n\t\t\t\t) {\n\t\t\t\t\tactions.closeMenu( 'hover' );\n\t\t\t\t}\n\t\t\t},\n\t\t\topenMenuOnClick() {\n\t\t\t\tconst ctx = getContext();\n\t\t\t\tconst { ref } = getElement();\n\t\t\t\tctx.previousFocus = ref;\n\t\t\t\tactions.openMenu( 'click' );\n\t\t\t},\n\t\t\tcloseMenuOnClick() {\n\t\t\t\tactions.closeMenu( 'click' );\n\t\t\t\tactions.closeMenu( 'focus' );\n\t\t\t},\n\t\t\topenMenuOnFocus() {\n\t\t\t\tactions.openMenu( 'focus' );\n\t\t\t},\n\t\t\ttoggleMenuOnClick() {\n\t\t\t\tconst ctx = getContext();\n\t\t\t\tconst { ref } = getElement();\n\t\t\t\t// 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\n\t\t\t\tif ( window.document.activeElement !== ref ) {\n\t\t\t\t\tref.focus();\n\t\t\t\t}\n\t\t\t\tconst { menuOpenedBy } = state;\n\t\t\t\tif ( menuOpenedBy.click || menuOpenedBy.focus ) {\n\t\t\t\t\tactions.closeMenu( 'click' );\n\t\t\t\t\tactions.closeMenu( 'focus' );\n\t\t\t\t} else {\n\t\t\t\t\tctx.previousFocus = ref;\n\t\t\t\t\tactions.openMenu( 'click' );\n\t\t\t\t}\n\t\t\t},\n\t\t\thandleMenuKeydown: withSyncEvent( ( event ) => {\n\t\t\t\tconst { type, firstFocusableElement, lastFocusableElement } =\n\t\t\t\t\tgetContext();\n\t\t\t\tif ( state.menuOpenedBy.click ) {\n\t\t\t\t\t// If Escape close the menu.\n\t\t\t\t\tif ( event.key === 'Escape' ) {\n\t\t\t\t\t\tevent.stopPropagation(); // Keeps ancestor menus open.\n\t\t\t\t\t\tactions.closeMenu( 'click' );\n\t\t\t\t\t\tactions.closeMenu( 'focus' );\n\t\t\t\t\t\treturn;\n\t\t\t\t\t}\n\n\t\t\t\t\t// Trap focus if it is an overlay (main menu).\n\t\t\t\t\tif ( type === 'overlay' && event.key === 'Tab' ) {\n\t\t\t\t\t\t// If shift + tab it change the direction.\n\t\t\t\t\t\tif (\n\t\t\t\t\t\t\tevent.shiftKey &&\n\t\t\t\t\t\t\twindow.document.activeElement ===\n\t\t\t\t\t\t\t\tfirstFocusableElement\n\t\t\t\t\t\t) {\n\t\t\t\t\t\t\tevent.preventDefault();\n\t\t\t\t\t\t\tlastFocusableElement.focus();\n\t\t\t\t\t\t} else if (\n\t\t\t\t\t\t\t! event.shiftKey &&\n\t\t\t\t\t\t\twindow.document.activeElement ===\n\t\t\t\t\t\t\t\tlastFocusableElement\n\t\t\t\t\t\t) {\n\t\t\t\t\t\t\tevent.preventDefault();\n\t\t\t\t\t\t\tfirstFocusableElement.focus();\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t} ),\n\t\t\thandleMenuFocusout: withSyncEvent( ( event ) => {\n\t\t\t\tconst { modal, type } = getContext();\n\t\t\t\t// If focus is outside modal, and in the document, close menu\n\t\t\t\t// event.target === The element losing focus\n\t\t\t\t// event.relatedTarget === The element receiving focus (if any)\n\t\t\t\t// When focusout is outside the document,\n\t\t\t\t// `window.document.activeElement` doesn't change.\n\n\t\t\t\t// The event.relatedTarget is null when something outside the navigation menu is clicked. This is only necessary for Safari.\n\t\t\t\tif (\n\t\t\t\t\tevent.relatedTarget === null ||\n\t\t\t\t\t( ! modal?.contains( event.relatedTarget ) &&\n\t\t\t\t\t\tevent.target !== window.document.activeElement &&\n\t\t\t\t\t\ttype === 'submenu' )\n\t\t\t\t) {\n\t\t\t\t\tactions.closeMenu( 'click' );\n\t\t\t\t\tactions.closeMenu( 'focus' );\n\t\t\t\t}\n\t\t\t} ),\n\n\t\t\topenMenu( menuOpenedOn = 'click' ) {\n\t\t\t\tconst { type } = getContext();\n\t\t\t\tstate.menuOpenedBy[ menuOpenedOn ] = true;\n\t\t\t\tif ( type === 'overlay' ) {\n\t\t\t\t\t// Add a `has-modal-open` class to the <html> root.\n\t\t\t\t\tdocument.documentElement.classList.add( 'has-modal-open' );\n\t\t\t\t}\n\t\t\t},\n\n\t\t\tcloseMenu( menuClosedOn = 'click' ) {\n\t\t\t\tconst ctx = getContext();\n\t\t\t\tstate.menuOpenedBy[ menuClosedOn ] = false;\n\t\t\t\t// Check if the menu is still open or not.\n\t\t\t\tif ( ! state.isMenuOpen ) {\n\t\t\t\t\tif (\n\t\t\t\t\t\tctx.modal?.contains( window.document.activeElement )\n\t\t\t\t\t) {\n\t\t\t\t\t\tctx.previousFocus?.focus();\n\t\t\t\t\t}\n\t\t\t\t\tctx.modal = null;\n\t\t\t\t\tctx.previousFocus = null;\n\t\t\t\t\tif ( ctx.type === 'overlay' ) {\n\t\t\t\t\t\tdocument.documentElement.classList.remove(\n\t\t\t\t\t\t\t'has-modal-open'\n\t\t\t\t\t\t);\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t},\n\t\t},\n\t\tcallbacks: {\n\t\t\tinitMenu() {\n\t\t\t\tconst ctx = getContext();\n\t\t\t\tconst { ref } = getElement();\n\t\t\t\tif ( state.isMenuOpen ) {\n\t\t\t\t\tconst focusableElements = getFocusableElements( ref );\n\t\t\t\t\tctx.modal = ref;\n\t\t\t\t\tctx.firstFocusableElement = focusableElements[ 0 ];\n\t\t\t\t\tctx.lastFocusableElement =\n\t\t\t\t\t\tfocusableElements[ focusableElements.length - 1 ];\n\t\t\t\t}\n\t\t\t},\n\t\t\tfocusFirstElement() {\n\t\t\t\tconst { ref } = getElement();\n\t\t\t\tif ( state.isMenuOpen ) {\n\t\t\t\t\tconst focusableElements = getFocusableElements( ref );\n\t\t\t\t\tfocusableElements?.[ 0 ]?.focus();\n\t\t\t\t}\n\t\t\t},\n\t\t},\n\t},\n\t{ lock: true }\n);\n"],
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