@wordpress/block-library/src/column/save.js

Block library for the WordPress editor.

/**
 * External dependencies
 */
import clsx from 'clsx';

/**
 * WordPress dependencies
 */
import { useInnerBlocksProps, useBlockProps } from '@wordpress/block-editor';

export default function save( { attributes } ) {
	const { verticalAlignment, width } = attributes;

	const wrapperClasses = clsx( {
		[ `is-vertically-aligned-${ verticalAlignment }` ]: verticalAlignment,
	} );

	let style;

	if ( width && /\d/.test( width ) ) {
		// Numbers are handled for backward compatibility as they can be still provided with templates.
		let flexBasis = Number.isFinite( width ) ? width + '%' : width;
		// In some cases we need to round the width to a shorter float.
		if ( ! Number.isFinite( width ) && width?.endsWith( '%' ) ) {
			const multiplier = 1000000000000;
			// Shrink the number back to a reasonable float.
			flexBasis =
				Math.round( Number.parseFloat( width ) * multiplier ) /
					multiplier +
				'%';
		}
		style = { flexBasis };
	}

	const blockProps = useBlockProps.save( {
		className: wrapperClasses,
		style,
	} );
	const innerBlocksProps = useInnerBlocksProps.save( blockProps );

	return <div { ...innerBlocksProps } />;
}