pizza

#!/usr/bin/env node

const { Command } = require('commander');
const program = new Command();

program
  .description('An application for pizza ordering')
  .option('-p, --peppers', 'Add peppers')
  .option('-c, --cheese <type>', 'Add the specified type of cheese', 'marble')
  .option('-C, --no-cheese', 'You do not want any cheese');

program.parse();

const options = program.opts();
console.log('you ordered a pizza with:');
if (options.peppers) console.log('  - peppers');
const cheese = !options.cheese ? 'no' : options.cheese;
console.log('  - %s cheese', cheese);

// Try the following on macOS or Linux:
//    ./pizza --help
//
// Try the following:
//    ./pizza --help
//    node pizza --peppers --cheese=blue
//    node pizza --no-cheese