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Add classic menus to menu switcher (#38168)
* Add classic menus to switch menu dropdown * Preload entities * Hide classic menus when there are none * Memoize callback
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packages/block-library/src/navigation/use-convert-classic-menu.js
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,58 @@ | ||
| /** | ||
| * WordPress dependencies | ||
| */ | ||
| import { useCallback, useState, useEffect } from '@wordpress/element'; | ||
|
|
||
| /** | ||
| * Internal dependencies | ||
| */ | ||
| import useNavigationEntities from './use-navigation-entities'; | ||
| import menuItemsToBlocks from './menu-items-to-blocks'; | ||
|
|
||
| export default function useConvertClassicMenu( onFinish ) { | ||
| const [ selectedMenu, setSelectedMenu ] = useState(); | ||
| const [ | ||
| isAwaitingMenuItemResolution, | ||
| setIsAwaitingMenuItemResolution, | ||
| ] = useState( false ); | ||
| const [ menuName, setMenuName ] = useState( '' ); | ||
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||
| const { menuItems, hasResolvedMenuItems } = useNavigationEntities( | ||
| selectedMenu | ||
| ); | ||
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| const createFromMenu = useCallback( | ||
| ( name ) => { | ||
| const { innerBlocks: blocks } = menuItemsToBlocks( menuItems ); | ||
| onFinish( blocks, name ); | ||
| }, | ||
| [ menuItems, menuItemsToBlocks, onFinish ] | ||
| ); | ||
|
|
||
| useEffect( () => { | ||
| // If the user selected a menu but we had to wait for menu items to | ||
| // finish resolving, then create the block once resolution finishes. | ||
| if ( isAwaitingMenuItemResolution && hasResolvedMenuItems ) { | ||
| createFromMenu( menuName ); | ||
| setIsAwaitingMenuItemResolution( false ); | ||
| } | ||
| }, [ isAwaitingMenuItemResolution, hasResolvedMenuItems, menuName ] ); | ||
|
|
||
| return useCallback( | ||
| ( id, name ) => { | ||
| setSelectedMenu( id ); | ||
|
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||
| // If we have menu items, create the block right away. | ||
| if ( hasResolvedMenuItems ) { | ||
| createFromMenu( name ); | ||
| return; | ||
| } | ||
|
|
||
| // Otherwise, create the block when resolution finishes. | ||
| setIsAwaitingMenuItemResolution( true ); | ||
| // Store the name to use later. | ||
| setMenuName( name ); | ||
| }, | ||
| [ hasResolvedMenuItems, createFromMenu ] | ||
| ); | ||
| } |