commander js
const { Command } = require('commander')
const program = new Command()
program
.option('-d, --debug', 'output extra debugging')
.option('-s, --small', 'small pizza size')
.option('-p, --pizza-type <type>', 'flavour of pizza', 'peperoni') // default
.parse(process.argv)
if (program.debug)
console.log(program.opts())
console.log('pizza details:')
if (program.small)
console.log('- small pizza size')
if (program.pizzaType)
console.log(`- ${program.pizzaType}`);
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