Add package definition for sass.js

admin/generate-dev-bundle.sh

@@ -138,6 +138,7 @@ npm install fibers@0.6.4
 npm install useragent@1.0.5
 npm install request@2.9.3
 npm install http-proxy@0.8.0
+npm install sass@0.5.0
 
 # unused, but kept in bundle for compatibility for a while.
 npm install connect-gzip@0.1.5

packages/sass-js/package.js

@@ -0,0 +1,22 @@
+Package.describe({
+  summary: "JavaScript implementation of Sass"
+});
+
+var sass = require('sass');
+var fs = require('fs');
+
+Package.register_extension(
+  "sass", function (bundle, source_path, serve_path, where) {
+    serve_path = serve_path + '.css';
+
+    var contents = fs.readFileSync(source_path);
+    contents = new Buffer(sass.render(contents.toString('utf8')));
+
+    bundle.add_resource({
+      type: "css",
+      path: serve_path,
+      data: contents,
+      where: where
+    });
+  }
+);