#!/usr/bin/env node const program = require('commander') const version = require('../package.json').version program .command('version') .description("outputs version number") .action(() => { console.log(version) process.exit(0) }) program .command('help') .description("outputs usage information") .action(() => { program.help() process.exit(0) }) program .option('-p, --port [port]', 'specify port') .parse(process.argv) const Server = require('../src/server') const server = new Server() server.start(program.port || 8545)