get-env
Return `dev`, `prod`, or optional extra environements based on `process.env.NODE_ENV`
yeoman-environment
Handles the lifecyle and bootstrapping of generators in a specific environment
dotenv-mono
This package permit to have a centralized dotenv on a monorepo. It also includes some extra features such as manipulation and saving of changes to the dotenv file, a default centralized file, and a file loader with ordering and priorities.
@storybook/cli
Storybook CLI: Develop, document, and test UI components in isolation
yeoman-generator
Rails-inspired generator system that provides scaffolding for your apps