adds(addon_loader) a generator that creates a js file with available addons

Signed-off-by: zmagod <zmago_devetak@yahoo.com>

config/initializers/addon_loader.rb

@@ -1,17 +1,28 @@
-# This code fetch the components from the addons but only in the root of the
-# addon/**/client folder.
-
 TARGET_ROOT = "#{Dir.pwd}/app/javascript/src/componentLoader/components".freeze
 
 begin
 # clear previous build
 FileUtils.rm_f Dir.glob("#{TARGET_ROOT}/*")
 
+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}")
 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
+end
+
 # handles error on the platforms that does not support symlink
 # http://ruby-doc.org/core-2.2.0/File.html#symlink-method
 rescue