#!/usr/bin/env node const program = require('commander'); const packageJson = require('../package.json'); const usage = '[command] [options]'; program .version(packageJson.version) .usage(usage) .command('init', 'generate configuration pair randomly') .command('run [options]', 'start service') .parse(process.argv); // no options provided if (process.argv.length < 2) { program.help(); process.exit(0); }