Create a build script to concatenate and (optionaly) minify the files in the lib directory.

Gemfile

@@ -0,0 +1,4 @@
+source :rubygems
+
+gem 'rake'
+gem 'uglifier'

Gemfile.lock

@@ -0,0 +1,17 @@
+GEM
+  remote: http://rubygems.org/
+  specs:
+    execjs (1.3.0)
+      multi_json (~> 1.0)
+    multi_json (1.1.0)
+    rake (0.9.2.2)
+    uglifier (1.2.3)
+      execjs (>= 0.3.0)
+      multi_json (>= 1.0.2)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  rake
+  uglifier

README.md

@@ -8,3 +8,11 @@ You can draw your own shapes or images using the existing canvas API, add event
 
 # Tutorials
 Check out the official [KineticJS Tutorials](http://www.html5canvastutorials.com/kineticjs/html5-canvas-events-tutorials-introduction-with-kineticjs/) hosted on [HTML5 Canvas Tutorials](http://www.html5canvastutorials.com/).
+
+# Building the library
+To build the library, you need to have Ruby and Rubygems installed. After that, install the dependencies by running `bundle install`.
+
+To build a development version of the library, run `rake build:dev`. To build a minify version of the library, run `rake build:prod`.
+
+# Adding a new file in the lib directory
+If you add a file in the lib directory, add into the array in the Rakefile.

Rakefile

@@ -0,0 +1,37 @@
+# This is the list of files to concatenate. The first file will appear at the top of the final file. All files are relative to the lib directory.
+FILES = [
+  "Kinetic.js", "GlobalObject.js", "Node.js", "Container.js", "Stage.js",
+  "Layer.js", "Group.js", "Shape.js", "Rect.js", "Circle.js", "Image.js",
+  "Polygon.js", "RegularPolygon.js", "Star.js", "Text.js"
+]
+
+def concatenate
+  content = ""
+  FILES.each do |file|
+    content << IO.read(File.expand_path('lib/' + file)) << "\n"
+  end
+  
+  return content
+end
+
+namespace :build do
+  desc "Concatenate all the files in /lib into /dist/kinetic.js."
+  task :dev do
+    puts ":: Building the file /dist/kinetic.js..."
+    File.open("dist/kinetic.js", "w") do |file|
+      file.puts concatenate()
+    end
+    puts "   -> Done!"
+  end
+
+  desc "Concatenate all the files in /lib into /dist/kinetic.min.js and minify it."
+  task :prod do
+    puts ":: Building the file /dist/kinetic.min.js..."
+    require 'uglifier'
+    File.open("dist/kinetic.min.js", "w") do |file|
+      file.puts Uglifier.compile(concatenate())
+    end
+    puts ":: Minifying the file /dist/kinetic.min.js..."
+    puts "   -> Done!"
+  end
+end

dist/kinetic.js

@@ -25,6 +25,7 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  * THE SOFTWARE.
  */
+
 ///////////////////////////////////////////////////////////////////////
 //  Global Object
 ///////////////////////////////////////////////////////////////////////
@@ -120,6 +121,7 @@ window.requestAnimFrame = (function(callback){
     };
 })();
 
+
 ///////////////////////////////////////////////////////////////////////
 //  Node
 ///////////////////////////////////////////////////////////////////////
@@ -1835,7 +1837,6 @@ Kinetic.Polygon.prototype = {
 // extend Shape
 Kinetic.GlobalObject.extend(Kinetic.Polygon, Kinetic.Shape);
 
-
 ///////////////////////////////////////////////////////////////////////
 //  RegularPolygon
 ///////////////////////////////////////////////////////////////////////
@@ -1889,7 +1890,6 @@ Kinetic.RegularPolygon.prototype = {
 // extend Shape
 Kinetic.GlobalObject.extend(Kinetic.RegularPolygon, Kinetic.Shape);
 
-
 ///////////////////////////////////////////////////////////////////////
 //  Star
 ///////////////////////////////////////////////////////////////////////
@@ -2098,3 +2098,4 @@ Kinetic.Text.prototype = {
 };
 // extend Shape
 Kinetic.GlobalObject.extend(Kinetic.Text, Kinetic.Shape);
+