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<?php |
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/** |
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* Temporary compatibility shims for block APIs present in Gutenberg. |
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* |
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* @package gutenberg |
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*/ |
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|
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if ( ! function_exists( 'wp_enqueue_block_view_script' ) ) { |
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/** |
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* Enqueues a frontend script for a specific block. |
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* |
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* Scripts enqueued using this function will only get printed |
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* when the block gets rendered on the frontend. |
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* |
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* @since 6.2.0 |
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* |
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* @param string $block_name The block name, including namespace. |
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* @param array $args An array of arguments [handle,src,deps,ver,media,textdomain]. |
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* |
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* @return void |
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*/ |
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function wp_enqueue_block_view_script( $block_name, $args ) { |
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$args = wp_parse_args( |
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$args, |
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array( |
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'handle' => '', |
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'src' => '', |
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'deps' => array(), |
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'ver' => false, |
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'in_footer' => false, |
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|
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// Additional args to allow translations for the script's textdomain. |
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'textdomain' => '', |
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) |
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); |
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|
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/** |
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* Callback function to register and enqueue scripts. |
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* |
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* @param string $content When the callback is used for the render_block filter, |
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* the content needs to be returned so the function parameter |
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* is to ensure the content exists. |
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* @return string Block content. |
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*/ |
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$callback = static function ( $content, $block ) use ( $args, $block_name ) { |
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|
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// Sanity check. |
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if ( empty( $block['blockName'] ) || $block_name !== $block['blockName'] ) { |
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return $content; |
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} |
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|
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// Register the stylesheet. |
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if ( ! empty( $args['src'] ) ) { |
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wp_register_script( $args['handle'], $args['src'], $args['deps'], $args['ver'], $args['in_footer'] ); |
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} |
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|
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// Enqueue the stylesheet. |
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wp_enqueue_script( $args['handle'] ); |
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|
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// If a textdomain is defined, use it to set the script translations. |
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if ( ! empty( $args['textdomain'] ) && in_array( 'wp-i18n', $args['deps'], true ) ) { |
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wp_set_script_translations( $args['handle'], $args['textdomain'], $args['domainpath'] ); |
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} |
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|
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return $content; |
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}; |
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|
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/* |
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* The filter's callback here is an anonymous function because |
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* using a named function in this case is not possible. |
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* |
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* The function cannot be unhooked, however, users are still able |
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* to dequeue the script registered/enqueued by the callback |
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* which is why in this case, using an anonymous function |
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* was deemed acceptable. |
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*/ |
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add_filter( 'render_block', $callback, 10, 2 ); |
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} |
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} |
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|
