Register Builder processors using .inherited() hook

adambeynon · adambeynon · commit 63a99aacee9e · 2014-06-16T12:09:53.000+01:00
diff --git a/lib/opal/builder.rb b/lib/opal/builder.rb
@@ -6,8 +6,6 @@ module Opal
   class Builder
     include BuilderProcessors
 
-    DEFAULT_PROCESSORS = [RubyProcessor, JsProcessor, ERBProcessor]
-
     def initialize(options = nil)
       (options || {}).each_pair do |k,v|
         public_send("#{k}=", v)
diff --git a/lib/opal/builder_processors.rb b/lib/opal/builder_processors.rb
@@ -3,7 +3,13 @@
 
 module Opal
   module BuilderProcessors
+    DEFAULT_PROCESSORS = []
+
     class Processor
+      def self.inherited(processor)
+        DEFAULT_PROCESSORS << processor
+      end
+
       def initialize(source, filename, options = {})
         @source, @filename, @options = source, filename, options
         @requires = []
