From c744560f3388e627579242b5bbc3ff287e4431a8 Mon Sep 17 00:00:00 2001
From: Derek Kastner <dkastner@gmail.com>
Date: Thu, 15 Mar 2012 17:31:33 -0400
Subject: [PATCH] Use sprocket engine instead, handle pre-processing

---
 lib/nodeify/java_script.rb | 25 ++++++++++++++++++++-----
 lib/nodeify/rails.rb       |  4 ++--
 nodeify.gemspec            |  3 ++-
 3 files changed, 24 insertions(+), 8 deletions(-)

diff --git a/lib/nodeify/java_script.rb b/lib/nodeify/java_script.rb
index b621bc1..b24eb0f 100644
--- a/lib/nodeify/java_script.rb
+++ b/lib/nodeify/java_script.rb
@@ -1,10 +1,25 @@
-require 'sprockets'
+require 'tilt'
+require 'sandbox'
 
 module Nodeify
-  class JavaScript < Sprockets::Processor
-    def render(context, options)
-      @source = `node -e "var browserify = require('browserify'), _ = process.stdout.write(browserify({ entry: '#{file}', require: { http: 'dkastner-http-browserify' } }).bundle());"`
-      @source
+  class JavaScript < Tilt::Template
+    attr_accessor :body
+
+    def initialize(*arg)
+      super
+    end
+
+    def prepare
+    end
+
+    def evaluate(context, options)
+      output = ''
+      Sandbox.play do |path|
+        file_path = File.join(path, File.basename(file))
+        File.open(file_path, 'w') { |f| f.puts data }
+        output = `node -e "var browserify = require('browserify'), _ = process.stdout.write(browserify({ entry: '#{file_path}', require: { http: 'dkastner-http-browserify' } }).bundle());"`
+      end
+      output
     end
   end
 end
diff --git a/lib/nodeify/rails.rb b/lib/nodeify/rails.rb
index df8952f..2c9ca6b 100644
--- a/lib/nodeify/rails.rb
+++ b/lib/nodeify/rails.rb
@@ -7,8 +7,8 @@
 module Nodeify
   class Rails < Rails::Railtie
     initializer "nodeify.sprockets.environment" do |app|
-      app.assets.unregister_preprocessor 'application/javascript', Sprockets::DirectiveProcessor
-      app.assets.register_bundle_processor 'application/javascript', Nodeify::JavaScript
+      app.assets.unregister_processor 'application/javascript', Sprockets::DirectiveProcessor
+      app.assets.register_engine '.js', Nodeify::JavaScript
     end
   end
 end
diff --git a/nodeify.gemspec b/nodeify.gemspec
index 04511e3..f4967e2 100644
--- a/nodeify.gemspec
+++ b/nodeify.gemspec
@@ -18,7 +18,8 @@ Gem::Specification.new do |s|
   s.require_paths = ["lib"]
   
   s.add_dependency 'rails', '~> 3.1'
-  s.add_dependency 'sprockets'
+  s.add_dependency 'sandbox'
+  s.add_dependency 'tilt'
   s.add_development_dependency 'jeweler'
   s.add_development_dependency 'rspec'
 end