Rakefile in opal-virtual-dom-0.2.3 vs Rakefile in opal-virtual-dom-0.3.0

@@ -1,3 +1,14 @@
 require 'bundler'
 Bundler.require
 Bundler::GemHelper.install_tasks
+
+require 'open-uri'
+
+desc 'Update JS dependencies'
+task :js_deps do
+  js_lib_url = 'https://raw.githubusercontent.com/Matt-Esch/virtual-dom/master/dist/virtual-dom.js'
+  js_lib_dest = File.join(File.dirname(__FILE__), './opal/vendor/virtual-dom.js')
+  open(js_lib_url) do |f|
+    File.write(js_lib_dest, f.readlines.join)
+  end
+end