require 'tilt'
require 'sprockets'
require 'opal/sprockets/processor'

module Opal
  module ERB
    class Processor < ::Opal::Processor
      def initialize_engine
        super
        require_template_library 'opal/erb'
      end

      def evaluate(context, locals, &block)
        compiler = Opal::ERB::Compiler.new(@data, context.logical_path.sub(/#{REGEXP_START}templates\//, ''))
        @data = compiler.prepared_source
        super
      end
    end
  end
end

Tilt.register 'opalerb',               Opal::ERB::Processor
Sprockets.register_engine '.opalerb',  Opal::ERB::Processor