enqueue_editor_block_styles_assets() WordPress Function

function enqueue_editor_block_styles_assets() {
	$block_styles = WP_Block_Styles_Registry::get_instance()->get_all_registered();

	$register_script_lines = array( '( function() {' );
	foreach ( $block_styles as $block_name => $styles ) {
		foreach ( $styles as $style_properties ) {
			$block_style = array(
				'name'  => $style_properties['name'],
				'label' => $style_properties['label'],
			);
			if ( isset( $style_properties['is_default'] ) ) {
				$block_style['isDefault'] = $style_properties['is_default'];
			}
			$register_script_lines[] = sprintf(
				'	wp.blocks.registerBlockStyle( \'%s\', %s );',
				$block_name,
				wp_json_encode( $block_style )
			);
		}
	}
	$register_script_lines[] = '} )();';
	$inline_script           = implode( "\n", $register_script_lines );

	wp_register_script( 'wp-block-styles', false, array( 'wp-blocks' ), true, true );
	wp_add_inline_script( 'wp-block-styles', $inline_script );
	wp_enqueue_script( 'wp-block-styles' );
}