d2h-s (npm): It's command line application using NodeJS which will be a standalone application with basic functionalities like viewing your balance, add  balance, view the tariff packages, add the channels to tariff packages if user has sufficient balance etc.
Keywords: CLI|NodeJS-Command-Line-Application|OOPS concepts|Unit test coverage|Command Line Application|NodeJS Command Line Application|TDD consideration|NYC Coverage|Class and Inheritance