woocommerce/plugins/woocommerce-blocks/assets/js/blocks/cart-checkout/cart-i2/use-forced-layout.ts

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/**
* External dependencies
*/
import { useLayoutEffect, useRef } from '@wordpress/element';
import { useSelect, useDispatch } from '@wordpress/data';
import {
createBlock,
getBlockType,
Block,
AttributeSource,
} from '@wordpress/blocks';
const isBlockLocked = ( {
attributes,
}: {
attributes: Record< string, AttributeSource.Attribute >;
} ) => Boolean( attributes.lock?.remove || attributes.lock?.default?.remove );
export const useForcedLayout = ( {
clientId,
template,
}: {
clientId: string;
template: Array< string >;
} ): void => {
const currentTemplate = useRef( template );
const { insertBlock } = useDispatch( 'core/block-editor' );
const { innerBlocks, templateTypes } = useSelect(
( select ) => {
return {
innerBlocks: select( 'core/block-editor' ).getBlocks(
clientId
),
templateTypes: currentTemplate.current.map( ( blockName ) =>
getBlockType( blockName )
),
};
},
[ clientId, currentTemplate ]
);
/**
* If the current inner blocks differ from the registered blocks, push the differences.
*
*/
useLayoutEffect( () => {
if ( ! clientId ) {
return;
}
// Missing check to see if registered block is 'forced'
templateTypes.forEach( ( block: Block | undefined ) => {
if (
block &&
isBlockLocked( block ) &&
! innerBlocks.find(
( { name }: { name: string } ) => name === block.name
)
) {
const newBlock = createBlock( block.name );
insertBlock( newBlock, innerBlocks.length, clientId, false );
}
} );
}, [ clientId, innerBlocks, insertBlock, templateTypes ] );
};