refactor(addons_loader): Extract paths to variables / build mega-config file

- Create variables for the paths the script impacts
- Create a file to host the configuration, import each add-on config and re-export them through a single object

config/initializers/addon_loader.rb

@@ -1,26 +1,26 @@
-TARGET_ROOT = "#{Dir.pwd}/app/javascript/src/componentLoader/components".freeze
+TARGET_ROOT = "#{Dir.pwd}/app/javascript/src/componentLoader".freeze
+COMPONENTS_ROOT = "#{TARGET_ROOT}/components".freeze
+UBER_CONFIG_PATH = "#{TARGET_ROOT}/availableAddons.js".freeze
 
 begin
 # clear previous build
-FileUtils.rm_f Dir.glob("#{TARGET_ROOT}/*")
+FileUtils.rm_f Dir.glob("#{COMPONENTS_ROOT}/*")
+FileUtils.rm_f Dir.glob(UBER_CONFIG_PATH)
+File.new(UBER_CONFIG_PATH, 'w+')
+enabled_addons = []
 
-available_addons = []
 Dir.foreach('addons/') do |path|
   addons_client_root = "addons/#{path}/client"
   next unless Dir.exist? addons_client_root
-  available_addons << path
-  File.symlink("#{Dir.pwd}/#{addons_client_root}", "#{TARGET_ROOT}/#{path}")
+  File.open(UBER_CONFIG_PATH, 'w') do |file|
+    file.puts("import #{path} from \'./components/#{path}/config.js\';")
+  end
+  enabled_addons << "#{path}"
+  File.symlink("#{Dir.pwd}/#{addons_client_root}", "#{COMPONENTS_ROOT}/#{path}")
 end
 
-# generate a file with available addons
-if available_addons.any?
-  file_name = "#{Dir.pwd}/app/javascript/src/componentLoader/availableAddons.js"
-  # remove if already exists
-  FileUtils.rm_f Dir.glob(file_name)
-  File.new(file_name, 'w+')
-  File.open(file_name, 'w') do |file|
-    file.write("export default #{available_addons};")
-  end
+File.open(UBER_CONFIG_PATH, 'a') do |file|
+  file.puts("export default { #{enabled_addons.join(", ").gsub(/\"/, '')} };")
 end
 
 # handles error on the platforms that does not support symlink