upgrade packages only if your tests pass

upgrade.sh

declare -a packages=(
  "node-sass"
  "react-qr-reader"
  "moment-timezone"
  "qs"
)

for i in "${packages[@]}"
do
  yarn upgrade $i --latest --tilde
  yarn install && yarn test 
  if [ "$?" = 0 ]; then
    echo "############## YES UPGRADING $i #############"
    git add .
    git commit -m "yarn upgrade $i --latest --tilde"
  else
    echo "############## NOT UPGRADING $i #############"
    git reset --hard
  fi
done