add script to compile all coffee files to all.js

Gemfile.lock

@@ -137,5 +137,6 @@ DEPENDENCIES
   pry
   rails (~> 3.2.1)
   rspec-rails
+  sprockets
   sqlite3
   webmock

gmaps4rails.gemspec

@@ -23,16 +23,17 @@ Gem::Specification.new do |s|
   s.add_development_dependency 'database_cleaner'
   #s.add_development_dependency "capybara"
   #s.add_development_dependency 'launchy'
-  
+
   # s.add_development_dependency "jasmine"
-  
+
   # s.add_development_dependency "guard", "~> 1.0.1"
   s.add_development_dependency 'coffee-script'
   # s.add_development_dependency 'guard-jasmine'
   # s.add_development_dependency "guard-rspec"
-
-  s.add_development_dependency "factory_girl_rails"  
+  s.add_development_dependency 'sprockets'
+
+  s.add_development_dependency "factory_girl_rails"
   s.add_development_dependency "webmock"
-  
+
   s.add_development_dependency 'pry'
 end

script/compile_coffee_files.rb

@@ -0,0 +1,17 @@
+#!/usr/bin/env ruby
+require 'sprockets'
+
+app_path = File.expand_path('../..',  __FILE__)
+#folder with source files
+folder_path = (app_path + "/vendor/assets/javascripts/gmaps4rails/")
+
+#main source file:
+main_source_file_name = "base.coffee"
+
+#desired output file
+compiled_file_path = (folder_path + "all.js")
+
+env = Sprockets::Environment.new
+env.append_path folder_path
+
+open(compiled_file_path, "w").write( env[main_source_file_name] )