@wordpress/block-library/src/text-columns/transforms.js

Block library for the WordPress editor.

/**
 * WordPress dependencies
 */
import { createBlock } from '@wordpress/blocks';

const transforms = {
	to: [
		{
			type: 'block',
			blocks: [ 'core/columns' ],
			transform: ( { className, columns, content, width } ) =>
				createBlock(
					'core/columns',
					{
						align:
							'wide' === width || 'full' === width
								? width
								: undefined,
						className,
						columns,
					},
					content.map( ( { children } ) =>
						createBlock( 'core/column', {}, [
							createBlock( 'core/paragraph', {
								content: children,
							} ),
						] )
					)
				),
		},
	],
};

export default transforms;