Check for debugger statements before commiting your code.

pre-commit.sh

#!/bin/sh
#
# Check for debugger statements before commiting your code.
#
# Nodejs uses 'debugger' as a keyword statement to trigger a
# breakpoint. There's literally no reason to commit such a thing


echo "Running debugger check..."
RES=`git grep -n 'debugger'`

if [[ -n "$RES" ]]; then
  echo "\nDebugging functions were found in your at"
  echo "\n$RES"
  echo "Changes not committed"
  exit 1;
else
  echo "\n No 'debugger' statements found.\n";
  exit 0;
fi