#!/bin/bash
jsfiles=$(git diff --cached --name-only --diff-filter=M | grep '\.js\?$')
jsfailed=0

if [[ $jsfiles != "" ]] ; then
  for file in ${jsfiles}; do
    git show :$file | eslint --stdin --stdin-filename "$file"
    if [[ $? != 0 ]] ; then
      jsfailed=1
    fi
  done;
fi

if [[ $jsfailed != 0 ]] ; then
  echo "🚫🚫🚫ESLint must pass before committing .js files"
  exit 1
fi