From 3791772c2d4bf7dcc1d1775e549424ab9559525a Mon Sep 17 00:00:00 2001
From: gziolo <gziolo@git.wordpress.org>
Date: Thu, 8 Feb 2024 08:18:10 +0000
Subject: [PATCH] Editor: Make asset file optional for block scripts

It is no longer a hard requirement that a *.asset.php file is present to register a script for block.

Fixes #57234.
Props joefusco, gziolo, spacedmonkey, colorful-tones.


Built from https://develop.svn.wordpress.org/trunk@57559


git-svn-id: http://core.svn.wordpress.org/trunk@57060 1a063a9b-81f0-0310-95a4-ce76da25c4cd
---
 wp-includes/blocks.php  | 23 +++++------------------
 wp-includes/version.php |  2 +-
 2 files changed, 6 insertions(+), 19 deletions(-)

diff --git a/wp-includes/blocks.php b/wp-includes/blocks.php
index 67bcbe6484..b7c2c2c433 100644
--- a/wp-includes/blocks.php
+++ b/wp-includes/blocks.php
@@ -124,12 +124,13 @@ function get_block_asset_url( $path ) {
 
 /**
  * Finds a script handle for the selected block metadata field. It detects
- * when a path to file was provided and finds a corresponding asset file
- * with details necessary to register the script under automatically
+ * when a path to file was provided and optionally finds a corresponding asset
+ * file with details necessary to register the script under automatically
  * generated handle name. It returns unprocessed script handle otherwise.
  *
  * @since 5.5.0
  * @since 6.1.0 Added `$index` parameter.
+ * @since 6.5.0 The asset file is optional.
  *
  * @param array  $metadata   Block metadata.
  * @param string $field_name Field name to pick from metadata.
@@ -163,21 +164,6 @@ function register_block_script_handle( $metadata, $field_name, $index = 0 ) {
 		realpath( $script_asset_raw_path )
 	);
 
-	if ( empty( $script_asset_path ) ) {
-		_doing_it_wrong(
-			__FUNCTION__,
-			sprintf(
-				/* translators: 1: Asset file location, 2: Field name, 3: Block name.  */
-				__( 'The asset file (%1$s) for the "%2$s" defined in "%3$s" block definition is missing.' ),
-				$script_asset_raw_path,
-				$field_name,
-				$metadata['name']
-			),
-			'5.5.0'
-		);
-		return false;
-	}
-
 	$script_path_norm = wp_normalize_path( realpath( $path . '/' . $script_path ) );
 	$script_uri       = get_block_asset_url( $script_path_norm );
 
@@ -186,7 +172,8 @@ function register_block_script_handle( $metadata, $field_name, $index = 0 ) {
 		$script_args['strategy'] = 'defer';
 	}
 
-	$script_asset        = require $script_asset_path;
+	// Asset file for blocks is optional. See https://core.trac.wordpress.org/ticket/60460.
+	$script_asset        = ! empty( $script_asset_path ) ? require $script_asset_path : array();
 	$script_dependencies = isset( $script_asset['dependencies'] ) ? $script_asset['dependencies'] : array();
 	$result              = wp_register_script(
 		$script_handle,
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 90ca7ca378..1765d5a246 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.5-alpha-57558';
+$wp_version = '6.5-alpha-57559';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.