From 232468aa8866e85c9ea5691bbb42a5584ba96dff Mon Sep 17 00:00:00 2001
From: Benito Alba Molina <272526523+benitoalba@users.noreply.github.com>
Date: Thu, 30 Jul 2026 23:25:13 +0200
Subject: [PATCH 1/2] Build/Test Tools: Format copied Gutenberg style registry

---
 Gruntfile.js | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/Gruntfile.js b/Gruntfile.js
index 61f18481e23a8..3c93cb52cbdb7 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -751,6 +751,36 @@ module.exports = function(grunt) {
 				} ],
 			},
 			'gutenberg-styles': {
+				options: {
+					process: function( content, srcpath ) {
+						if ( path.basename( srcpath ) !== 'registry.php' ) {
+							return content;
+						}
+
+						/*
+						 * Gutenberg's generated style registry does not currently
+						 * meet Core's PHP coding standards. Format its known keys
+						 * while copying it so build jobs do not require PHP tooling.
+						 *
+						 * @ticket 65278
+						 */
+						return content.replace(
+							/^(\t\t)'(handle|path|dependencies)'\s*=>\s*([^\r\n]*)$/gm,
+							function( match, indentation, key, value ) {
+								const padding = ' '.repeat( 13 - key.length );
+
+								if ( key === 'dependencies' ) {
+									value = value.replace(
+										/^array\((.+)\),$/,
+										'array( $1 ),'
+									);
+								}
+
+								return indentation + '\'' + key + '\'' + padding + '=> ' + value;
+							}
+						);
+					}
+				},
 				files: [ {
 					expand: true,
 					cwd: 'gutenberg/build/styles',

From 4265f7fb873deb577dd474ddc8951decb36352fb Mon Sep 17 00:00:00 2001
From: Benito Alba Molina <272526523+benitoalba@users.noreply.github.com>
Date: Fri, 31 Jul 2026 00:23:40 +0200
Subject: [PATCH 2/2] Build/Test Tools: Harden generated registry formatting

---
 Gruntfile.js | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/Gruntfile.js b/Gruntfile.js
index 3c93cb52cbdb7..eff6674f503e0 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -764,15 +764,21 @@ module.exports = function(grunt) {
 						 *
 						 * @ticket 65278
 						 */
+						const longestKey = 'dependencies';
+
 						return content.replace(
 							/^(\t\t)'(handle|path|dependencies)'\s*=>\s*([^\r\n]*)$/gm,
 							function( match, indentation, key, value ) {
-								const padding = ' '.repeat( 13 - key.length );
+								const padding = ' '.repeat( longestKey.length - key.length + 1 );
 
 								if ( key === 'dependencies' ) {
 									value = value.replace(
-										/^array\((.+)\),$/,
-										'array( $1 ),'
+										/^array\((.*)\),$/,
+										function( array, dependencies ) {
+											dependencies = dependencies.trim();
+
+											return dependencies ? 'array( ' + dependencies + ' ),' : 'array(),';
+										}
 									);
 								}