lib/ember_script.rb in ember_script-0.0.3 vs lib/ember_script.rb in ember_script-0.0.4

@@ -1,26 +1,35 @@
 # encoding: utf-8
 
+require 'execjs'
 require 'tilt'
-require 'open3'
 
+require 'ember_script/source'
 require 'ember_script/version'
 
 module EmberScript
 
-  class << self
-    def engine
+  module Source
+    def self.path
+      @path ||= ENV['EMBERSCRIPT_SOURCE_PATH'] || bundled_path
     end
 
-    def engine=(engine)
+    def self.contents
+      @contents ||= File.read(path)
     end
 
-    def version
-      `ember-script -v`
+    def self.version
+      Source.context.eval("EmberScript.VERSION")
     end
 
-    # Compile a EmberScript file to JavaScript
+    def self.context
+      @context ||= ExecJS.compile(contents)
+    end
+  end
+
+  class << self
+    # Compile an EmberScript file to JavaScript
     # or generate the source maps.
     #
     # @param [String,#read] the source string or IO
     # @param [Hash] options the compiler options
     # @option options [Boolean] bare compile the JavaScript without the top-level function safety wrapper
@@ -35,10 +44,10 @@
       else
         options[:bare] = false
       end
       bare = options[:bare] ? "--bare" : ""
 
-      Open3.capture3("ember-script --js #{bare}", :stdin_data=>script)[0]
+      Source.context.call("EmberScript.em2js", script, options)
     end
   end
 
   class EmberScriptTemplate < ::Tilt::Template
     self.default_mime_type = 'application/javascript'