Execute Prettier pre-commit

pre-commit

#!/bin/sh
# husky...
FILES=$(git diff --cached --name-only --diff-filter=ACMR "*.js" "*.ts" | sed 's| |\\ |g')
[ -z "$FILES" ] && exit 0

# Prettify all selected filesi
LINES=$(wc -l <<< $FILES | tr -d '[:space:]')
echo "Running prettier on $LINES files"
echo "$FILES" | xargs prettier --write --config ./package.json

# Add back the modified/prettified files to staging
echo "$FILES" | xargs git add

exit 0

Requires husky.