npm-check-name

#!/bin/bash

getCode () {
  curl -s -I http://registry.npmjs.org/$1 | grep HTTP | awk {'print $2'}
}

isAvailable () {
  res=$(getCode $1)
  if [ "$res" == "404" ]; then
    echo 1
  else
    echo 0
  fi
}

printf "\n>> Querying npm registry...\n\n"
available=$(isAvailable $1)

if [ "$available" -eq 1 ]; then
  printf "Package [\e[0;32m$1\e[0;0m] is available!\n"
else
  printf "\e[0;31mPackage [$1] is not available :(\e[0;0m\n"
fi

echo ''