npm publish command

pub

#!/bin/sh
upgrade=$1
COLOR_RED='\e[0;31m'
COLOR_NC='\e[0m' # No Color

case $upgrade in
    mi*) ver=minor;;
    ma*) ver=major;;
    pa*) ver=patch;;
    *) echo 'Usage: pub [kind]'; exit 2;;
esac

if [ `git diff-index HEAD | wc -l` -ne 0 ]; then
  printf "${COLOR_RED}Git working directory not clean.${COLOR_NC}"
  exit 3
fi

if [ -f package-lock.json ]; then
  rm package-lock.json
fi

alias get-version="node -p \"require('./package.json').version\""
old_version=`get-version`

if ! npm version $ver > /dev/null ; then
  exit 4
fi

new_version=`get-version`

echo "🤖  - Publishing $ver semver upgrade ($old_version --> $new_version)."
npm publish
git push --follow-tags