Explicitly specify depend_on relationship between assets and config

app/assets/javascripts/editor/editor.js.erb

@@ -1,3 +1,9 @@
+// Note: Directives are only processed if they come before any application code.
+// Once you have a line that does not include a comment or whitespace then Sprockets will stop looking for directives.
+// If you use a directive outside of the "header" of the document it will not do anything, and won't raise any errors.
+// <% config_file = CodeOcean::Config.new(:code_ocean, erb: false) %>
+//= depend_on <%= config_file.path.basename %>
+
 var CodeOceanEditor = {
     THEME: window.getCurrentTheme() === 'dark' ? 'ace/theme/tomorrow_night' : 'ace/theme/tomorrow',
 
@@ -27,12 +33,7 @@ var CodeOceanEditor = {
 
     lastCopyText: null,
 
-    <% @config ||= CodeOcean::Config.new(:code_ocean, erb: false).read %>
-    // Important notice: Changing the config values requires any content-wise
-    // modification for this file in the development environment. Lacking to do so
-    // will result in the old, server-side cached serving of this file even across
-    // server restarts!
-    sendEvents: <%= @config['codeocean_events'] ? @config['codeocean_events']['enabled'] : false %>,
+    sendEvents: <%= config_file.read['codeocean_events'] ? config_file.read['codeocean_events']['enabled'] : false %>,
     eventURL: Routes.events_path(),
     fileTypeURL: Routes.file_types_path(),
 

config/initializers/assets.rb

@@ -6,7 +6,8 @@
 Rails.application.config.assets.version = '1.1'
 
 # Add additional assets to the asset load path.
-# Rails.application.config.assets.paths << Emoji.images_path
+# We require the config directory to enable asset dependencies on CodeOcean::Config values (stored as YML files in `config`).
+Rails.application.config.assets.paths << Rails.root.join('config')
 
 # Precompile additional assets.
 # application.js, application.css, and all non-JS/CSS in the app/assets