minimal-node-cli-sample

A minimal Node.js CLI sample that prints a greeting, shows help, exposes its version, and supports simple options.

Setup

npm link

Usage

minimal-cli
minimal-cli Alice
minimal-cli --name Alice
minimal-cli --json
minimal-cli --name Alice --json
minimal-cli --unknown
minimal-cli --help
minimal-cli --version

Examples

$ minimal-cli
Hello from minimal-cli

$ minimal-cli Alice
Hello, Alice

$ minimal-cli --name Alice --json
{"greeting":"Hello, Alice","name":"Alice"}

$ minimal-cli --version
1.0.0

Commands

• minimal-cli prints a default greeting.
• minimal-cli Alice prints a greeting with the given name.
• minimal-cli --name Alice prints a greeting with an explicit option.
• minimal-cli --json prints JSON output.
• minimal-cli --help shows usage examples.
• minimal-cli --version prints the CLI version from package.json.
• minimal-cli --name without a value exits with an error.
• Unknown options exit with an error.

Development

node index.js
node index.js Alice
npm test