From 6c2eb9c1ba2073549287cd4f5176c3fce39a1ab6 Mon Sep 17 00:00:00 2001
From: Alex Pott <alex.a.pott@googlemail.com>
Date: Thu, 30 Jul 2015 15:47:45 +0100
Subject: [PATCH] Issue #2404253 by wuinfo, mermentau: Undefined index: css in
 color_library_info_alter()

---
 core/modules/color/color.module               | 40 ++++++++++---------
 .../color_test_theme.libraries.yml            |  7 ++++
 .../js/color_test_theme-fontsize.js           |  9 +++++
 3 files changed, 37 insertions(+), 19 deletions(-)
 create mode 100644 core/modules/color/tests/modules/color_test/themes/color_test_theme/js/color_test_theme-fontsize.js

diff --git a/core/modules/color/color.module b/core/modules/color/color.module
index 9aa932725cb..fa9499b1011 100644
--- a/core/modules/color/color.module
+++ b/core/modules/color/color.module
@@ -76,25 +76,27 @@ function color_library_info_alter(&$libraries, $extension) {
     $color_paths = \Drupal::config('color.theme.' . $extension)->get('stylesheets');
     if (!empty($color_paths)) {
       foreach (array_keys($libraries) as $name) {
-        // Override stylesheets.
-        foreach ($libraries[$name]['css'] as $category => $css_assets) {
-          foreach ($css_assets as $path  => $metadata) {
-            // Loop over the path array with recolored CSS files to find matching
-            // paths which could replace the non-recolored paths.
-            foreach ($color_paths as $color_path) {
-              // Color module currently requires unique file names to be used,
-              // which allows us to compare different file paths.
-              if (drupal_basename($path) == drupal_basename($color_path)) {
-                // Replace the path to the new css file.
-                // This keeps the order of the stylesheets intact.
-                $index = array_search($path, array_keys($libraries[$name]['css'][$category]));
-                $preceding_css_assets = array_slice($libraries[$name]['css'][$category], 0, $index);
-                $succeeding_css_assets = array_slice($libraries[$name]['css'][$category], $index + 1);
-                $libraries[$name]['css'][$category] = array_merge(
-                  $preceding_css_assets,
-                  [$color_path => $metadata],
-                  $succeeding_css_assets
-                );
+        if(isset($libraries[$name]['css'])) {
+          // Override stylesheets.
+          foreach ($libraries[$name]['css'] as $category => $css_assets) {
+            foreach ($css_assets as $path  => $metadata) {
+              // Loop over the path array with recolored CSS files to find matching
+              // paths which could replace the non-recolored paths.
+              foreach ($color_paths as $color_path) {
+                // Color module currently requires unique file names to be used,
+                // which allows us to compare different file paths.
+                if (drupal_basename($path) == drupal_basename($color_path)) {
+                  // Replace the path to the new css file.
+                  // This keeps the order of the stylesheets intact.
+                  $index = array_search($path, array_keys($libraries[$name]['css'][$category]));
+                  $preceding_css_assets = array_slice($libraries[$name]['css'][$category], 0, $index);
+                  $succeeding_css_assets = array_slice($libraries[$name]['css'][$category], $index + 1);
+                  $libraries[$name]['css'][$category] = array_merge(
+                    $preceding_css_assets,
+                    [$color_path => $metadata],
+                    $succeeding_css_assets
+                  );
+                }
               }
             }
           }
diff --git a/core/modules/color/tests/modules/color_test/themes/color_test_theme/color_test_theme.libraries.yml b/core/modules/color/tests/modules/color_test/themes/color_test_theme/color_test_theme.libraries.yml
index afe431838a7..e4d536dc4ca 100644
--- a/core/modules/color/tests/modules/color_test/themes/color_test_theme/color_test_theme.libraries.yml
+++ b/core/modules/color/tests/modules/color_test/themes/color_test_theme/color_test_theme.libraries.yml
@@ -3,3 +3,10 @@ base:
   css:
     theme:
       css/colors.css: {}
+
+fontsizer:
+  version: VERSION
+  js:
+    js/color_test_theme-fontsize.js: {}
+  dependencies:
+    - core/jquery
diff --git a/core/modules/color/tests/modules/color_test/themes/color_test_theme/js/color_test_theme-fontsize.js b/core/modules/color/tests/modules/color_test/themes/color_test_theme/js/color_test_theme-fontsize.js
new file mode 100644
index 00000000000..109f7438a3e
--- /dev/null
+++ b/core/modules/color/tests/modules/color_test/themes/color_test_theme/js/color_test_theme-fontsize.js
@@ -0,0 +1,9 @@
+/**
+ * @file
+ * Adds javascript functions for font resizing.
+ */
+(function ($) {
+  "use strict";
+
+  $(document).ready(function () {});
+})(jQuery);