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render_block_core_file › WordPress Function

Since5.8.0
Deprecatedn/a
› render_block_core_file ( $attributes, $content )
Parameters: (3)
  • (array) $attributes The block attributes.
    Required: Yes
  • (string) $content The block content.
    Required: Yes
  • (WP_Block) $block The parsed block.
    Required: Yes
Returns:
  • (string) Returns the block content.
Defined at:
Codex:

When the `core/file` block is rendering, check if we need to enqueue the `wp-block-file-view` script.



Related Functions: render_block_core_image, register_block_core_file, render_block_core_rss, render_block_core_query, render_block_core_post_title

Source 

function render_block_core_file( $attributes, $content ) {
	// If it's interactive, enqueue the script module and add the directives.
	if ( ! empty( $attributes['displayPreview'] ) ) {
		wp_enqueue_script_module( '@wordpress/block-library/file/view' );

		$processor = new WP_HTML_Tag_Processor( $content );
		$processor->next_tag();
		$processor->set_attribute( 'data-wp-interactive', 'core/file' );
		$processor->next_tag( 'object' );
		$processor->set_attribute( 'data-wp-bind--hidden', '!state.hasPdfPreview' );
		$processor->set_attribute( 'hidden', true );

		$filename     = $processor->get_attribute( 'aria-label' );
		$has_filename = ! empty( $filename ) && 'PDF embed' !== $filename;
		$label        = $has_filename ? sprintf(
			/* translators: %s: filename. */
			__( 'Embed of %s.' ),
			$filename
		) : __( 'PDF embed' );

		// Update object's aria-label attribute if present in block HTML.
		// Match an aria-label attribute from an object tag.
		$processor->set_attribute( 'aria-label', $label );

		return $processor->get_updated_html();
	}

	return $content;
}