lib/sourcemaps.rb in vitrine-0.0.15 vs lib/sourcemaps.rb in vitrine-0.0.16

@@ -1,8 +1,41 @@
 require 'pathname'
 require 'json'
 
 module Vitrine
+  
+  # Compile a script (String or IO) to JavaScript.
+  # This is a version lifted from here
+  # https://github.com/josh/ruby-coffee-script/blob/114b65b638f66ba04b60bf9c24b54360260f9898/lib/coffee_script.rb
+  # which propagates error line
+  def self.compile_coffeescript(script, options = {})
+    script = script.read if script.respond_to?(:read)
+
+    if options.key?(:bare)
+    elsif options.key?(:no_wrap)
+      options[:bare] = options[:no_wrap]
+    else
+      options[:bare] = false
+    end
+
+    wrapper = <<-WRAPPER
+      (function(script, options) {
+        try {
+          return CoffeeScript.compile(script, options);
+        } catch (err) {
+          if (err instanceof SyntaxError && err.location) {
+            throw new SyntaxError([options.filename, err.location.first_line + 1, err.location.first_column + 1].join(":") + ": " + err.message)
+          } else {
+            throw err;
+          }
+        }
+      })
+    WRAPPER
+    CoffeeScript::Source.context.call(wrapper, script, options)
+  end
+  
+  # Compile a CS source map.
+  # TODO: this method should be married to the method that compiles the source code itself
   def self.build_coffeescript_source_map_body(full_coffeescript_file_path, public_folder_path)
     
     script = File.read(full_coffeescript_file_path)
     
     # We need to feed paths ON THE SERVER so that the browser can connect the coffee file, the map and the JS file
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