Index: tools/clang-format/git-clang-format
===================================================================
--- tools/clang-format/git-clang-format
+++ tools/clang-format/git-clang-format
@@ -77,7 +77,8 @@
       'cc', 'cp', 'cpp', 'c++', 'cxx', 'hpp',  # C++
       # Other languages that clang-format supports
       'proto', 'protodevel',  # Protocol Buffers
-      'js',  # JavaScript
+      'js', 'json', # JavaScript
+      'ts', # TypeScript
       ])
 
   p = argparse.ArgumentParser(