WP_Theme_JSON_Resolver::get_block_data(): WP_Theme_JSON

Source

public static function get_block_data() {
	$registry = WP_Block_Type_Registry::get_instance();
	$blocks   = $registry->get_all_registered();

	if ( null !== static::$blocks && static::has_same_registered_blocks( 'blocks' ) ) {
		return static::$blocks;
	}

	$config = array( 'version' => WP_Theme_JSON::LATEST_SCHEMA );
	foreach ( $blocks as $block_name => $block_type ) {
		if ( isset( $block_type->supports['__experimentalStyle'] ) ) {
			$config['styles']['blocks'][ $block_name ] = static::remove_json_comments( $block_type->supports['__experimentalStyle'] );
		}

		if (
			isset( $block_type->supports['spacing']['blockGap']['__experimentalDefault'] ) &&
			! isset( $config['styles']['blocks'][ $block_name ]['spacing']['blockGap'] )
		) {
			/*
			 * Ensure an empty placeholder value exists for the block, if it provides a default blockGap value.
			 * The real blockGap value to be used will be determined when the styles are rendered for output.
			 */
			$config['styles']['blocks'][ $block_name ]['spacing']['blockGap'] = null;
		}
	}

	/**
	 * Filters the data provided by the blocks for global styles & settings.
	 *
	 * @since 6.1.0
	 *
	 * @param WP_Theme_JSON_Data $theme_json Class to access and update the underlying data.
	 */
	$theme_json = apply_filters( 'wp_theme_json_data_blocks', new WP_Theme_JSON_Data( $config, 'blocks' ) );

	/*
	 * Backward compatibility for extenders returning a WP_Theme_JSON_Data
	 * compatible class that is not a WP_Theme_JSON_Data object.
	 */
	if ( $theme_json instanceof WP_Theme_JSON_Data ) {
		static::$blocks = $theme_json->get_theme_json();
	} else {
		$config         = $theme_json->get_data();
		static::$blocks = new WP_Theme_JSON( $config, 'blocks' );
	}

	return static::$blocks;
}

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