Fix Issue #3155 (#3156)

#3155

re-enable sprockets and add the correct dependencies

uaa/slate/Gemfile

@@ -12,6 +12,6 @@ gem 'redcarpet', '~> 3.6.0'
 gem 'nokogiri', '~> 1.16.5'
 gem 'sass'
 gem 'webrick'
-gem 'opal'
-gem 'opal-sprockets'
+gem 'sprockets', '~> 3.7'
+
 

uaa/slate/Gemfile.lock

@@ -8,10 +8,10 @@ GEM
       tzinfo (~> 2.0)
     addressable (2.8.7)
       public_suffix (>= 2.0.2, < 7.0)
-    ast (2.4.2)
     autoprefixer-rails (10.4.19.0)
       execjs (~> 2)
     backports (3.25.0)
+    base64 (0.2.0)
     coffee-script (2.4.1)
       coffee-script-source
       execjs
@@ -86,26 +86,16 @@ GEM
     nokogiri (1.16.7)
       mini_portile2 (~> 2.8.2)
       racc (~> 1.4)
-    opal (1.8.2)
-      ast (>= 2.3.0)
-      parser (~> 3.0, >= 3.0.3.2)
-    opal-sprockets (1.0.4)
-      opal (>= 1.0, < 2.0)
-      sprockets (~> 4.0)
-      tilt (>= 1.4)
     padrino-helpers (0.15.3)
       i18n (>= 0.6.7, < 2)
       padrino-support (= 0.15.3)
       tilt (>= 1.4.1, < 3)
     padrino-support (0.15.3)
     parallel (1.26.3)
-    parser (3.3.5.0)
-      ast (~> 2.4.1)
-      racc
     parslet (2.0.0)
     public_suffix (6.0.1)
     racc (1.8.1)
-    rack (2.2.9)
+    rack (2.2.10)
     rb-fsevent (0.11.2)
     rb-inotify (0.11.1)
       ffi (~> 1.0)
@@ -120,9 +110,10 @@ GEM
     sassc (2.4.0)
       ffi (~> 1.9)
     servolux (0.13.0)
-    sprockets (4.2.1)
+    sprockets (3.7.5)
+      base64
       concurrent-ruby (~> 1.0)
-      rack (>= 2.2.4, < 4)
+      rack (> 1, < 3)
     temple (0.10.3)
     thor (1.2.2)
     tilt (2.0.11)
@@ -144,11 +135,10 @@ DEPENDENCIES
   middleman-sprockets (~> 4.1)
   middleman-syntax (~> 3.4)
   nokogiri (~> 1.16.5)
-  opal
-  opal-sprockets
   redcarpet (~> 3.6.0)
   rouge (~> 3.21)
   sass
+  sprockets (~> 3.7)
   webrick
 
 RUBY VERSION

uaa/slate/config.rb

@@ -26,7 +26,7 @@
   require './lib/multilang.rb'
 end
 
-#activate :sprockets
+activate :sprockets
 
 activate :autoprefixer do |config|
   config.browsers = ['last 2 version', 'Firefox ESR']