npm install yargs
const yargs = require('yargs');
const argv = yargs
name: {
alias: 'n',
type: 'string',
}
})
.alias('h', 'help')
.argv;
if (argv._.includes('greet')) {
console.log(`Hello, ${argv.name}!`);
}
node app.js greet --name John
Hello, John!
