Free blocked port

.bash_profile

# Frees up the provided port by killing whatever process is blocking it.
#
# Example:
# freeport 8080

function freeport () {
  local result=$(lsof -i :$1 | grep node | awk '{print $2}')

  if [[ ! -z $result ]]; then
    kill $result
    echo "Process $result successfully killed"
    echo "Port $1 is now free"
  else
    echo "Port $1 is already free"
  fi
}