Count TypeScript files as javascript in `rails stats`

railties/CHANGELOG.md

+*   `rails stats` will now count TypeScript files toward JavaScript stats
+
+    *Joshua Cody*
+
 *   Run `git init` when generating plugins.
 
     Opt out with `--skip-git`.

railties/lib/rails/code_statistics.rb

@@ -38,7 +38,7 @@ def calculate_statistics
       Hash[@pairs.map { |pair| [pair.first, calculate_directory_statistics(pair.last)] }]
     end
 
-    def calculate_directory_statistics(directory, pattern = /^(?!\.).*?\.(rb|js|coffee|rake)$/)
+    def calculate_directory_statistics(directory, pattern = /^(?!\.).*?\.(rb|js|ts|coffee|rake)$/)
       stats = CodeStatisticsCalculator.new
 
       Dir.foreach(directory) do |file_name|