options-defaults.js

#!/usr/bin/env node

// This is used as an example in the README for:
//    Default option value

// const commander = require('commander'); // (normal include)
const commander = require('../'); // include commander in git clone of commander repo
const program = new commander.Command();

program
  .option('-c, --cheese <type>', 'Add the specified type of cheese', 'blue');

program.parse();

console.log(`cheese: ${program.opts().cheese}`);

// Try the following:
//    node options-defaults.js
//    node options-defaults.js --cheese stilton