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import { useState, useEffect } from 'react';
// The blocks should be registered only one time, so use it to avoid multiple registration.
let blocksRegistered = false;
const useRegisterCoreBlocks = () => {
const [ isBlocksRegistered, setIsBlocksRegistered ] = useState( blocksRegistered );
useEffect( () => {
if ( blocksRegistered ) {
return;
}
// The block-level styles have effects only when the specific blocks are registered so we have to register core blocks.
// See https://github.com/WordPress/gutenberg/blob/16486bd946f918d581e4818b73ceaaed82349f71/packages/block-editor/src/components/global-styles/use-global-styles-output.js#L1190
import( '@wordpress/block-library' )
.then( ( { registerCoreBlocks }: typeof import('@wordpress/block-library') ) =>
registerCoreBlocks()
)
.then( () => {
blocksRegistered = true;
setIsBlocksRegistered( true );
} );
}, [] );
return isBlocksRegistered;
};
export default useRegisterCoreBlocks;
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