From 30f2431261788e3696d502eb4f046c033562b620 Mon Sep 17 00:00:00 2001
From: Jonathan Desrosiers <359867+desrosj@users.noreply.github.com>
Date: Thu, 19 Mar 2026 22:43:03 -0400
Subject: [PATCH 1/3] Only copy `.js` files for script modules.

The `*.asset.min.php` files and `router.php` in the main script modules directory should not be copied in the build step.

The contents of these files are already included in the built file within `wp-includes/assets/`.
---
 Gruntfile.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Gruntfile.js b/Gruntfile.js
index 4aded0a659c00..60ce152eda11e 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -641,7 +641,7 @@ module.exports = function(grunt) {
 					expand: true,
 					cwd: 'gutenberg/build/modules',
 					src: [
-						'**/*',
+						'**/*.js',
 						'!**/*.map',
 						// Skip non-minified VIPS files — they are ~16MB of inlined WASM
 						// with no debugging value over the minified versions.

From 9429b2f0197948a15424db0bcb63228e7981b1a6 Mon Sep 17 00:00:00 2001
From: Jonathan Desrosiers <359867+desrosj@users.noreply.github.com>
Date: Thu, 19 Mar 2026 22:58:10 -0400
Subject: [PATCH 2/3] Remove unnecessary exclusion pattern.

---
 Gruntfile.js | 1 -
 1 file changed, 1 deletion(-)

diff --git a/Gruntfile.js b/Gruntfile.js
index 60ce152eda11e..aaa2a867e2412 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -642,7 +642,6 @@ module.exports = function(grunt) {
 					cwd: 'gutenberg/build/modules',
 					src: [
 						'**/*.js',
-						'!**/*.map',
 						// Skip non-minified VIPS files — they are ~16MB of inlined WASM
 						// with no debugging value over the minified versions.
 						'!vips/!(*.min).js',

From 47a4a9e8c5a183d9b955fd999be22db2b255a1ff Mon Sep 17 00:00:00 2001
From: Jonathan Desrosiers <359867+desrosj@users.noreply.github.com>
Date: Fri, 20 Mar 2026 08:37:29 -0400
Subject: [PATCH 3/3] Re-add module PHP files, reomve scripts.

---
 Gruntfile.js            | 3 ++-
 tools/gutenberg/copy.js | 2 +-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/Gruntfile.js b/Gruntfile.js
index aaa2a867e2412..4aded0a659c00 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -641,7 +641,8 @@ module.exports = function(grunt) {
 					expand: true,
 					cwd: 'gutenberg/build/modules',
 					src: [
-						'**/*.js',
+						'**/*',
+						'!**/*.map',
 						// Skip non-minified VIPS files — they are ~16MB of inlined WASM
 						// with no debugging value over the minified versions.
 						'!vips/!(*.min).js',
diff --git a/tools/gutenberg/copy.js b/tools/gutenberg/copy.js
index 9eb0550ad18c2..0f197169f7366 100644
--- a/tools/gutenberg/copy.js
+++ b/tools/gutenberg/copy.js
@@ -595,7 +595,7 @@ async function main() {
 
 					for ( const file of packageFiles ) {
 						if (
-							/^index\.(js|min\.js|min\.asset\.php)$/.test( file )
+							/^index\.(js|min\.js)$/.test( file )
 						) {
 							const srcFile = path.join( src, file );
 							// Replace 'index.' with 'package-name.'.