Git Hooks for Elixir/Phoenix/Webpack

pre-commit

#!/bin/bash
# Runs ESLint and Stylelint on all STAGED files before committing

js_files=$(git diff --cached --name-status | grep '^\(A\|M\).*\.jsx\?$' | sed 's/^[AM]//g')
css_files=$(git diff --cached --name-status | grep '^\(A\|M\).*\.cssx\?$' | sed 's/^[AM]//g')

# Prevent ESLint help message if no files matched
if [ "${js_files}" = "" ] && [ "${css_files}" = "" ] ; then
  exit 0
fi

failed=0
for jsfile in ${js_files}; do
  git show :$jsfile | npx eslint --stdin --stdin-filename $jsfile
  if [[ $? != 0 ]] ; then
    failed=1
  fi
done;

for cssfile in ${css_files}; do
  git show :$cssfile | npx stylelint --stdin --stdin-filename $cssfile
  if [[ $? != 0 ]] ; then
    failed=1
  fi
done;

if [[ $failed != 0 ]] ; then
  echo "Lint check failed, commit denied"
  exit $failed
fi

pre-push

#!/bin/bash
# Runs Credo before pushing (not doing this for every commit because it is generally slower)

mix credo --strict