option 不能注册在子命令上

#!/usr/bin/env node

const commander = require('commander')

const pkg = require('../package.json')

// 单例

// const {program} = commander

// 手动初始化一个实例

const program = new commander.Command()

program

.name(Object.keys(pkg.bin)[0])

.usage('<commander> [options]')

.version(pkg.version)

.option('-d, --debug', '是否启动debug模式', false)

.option('-e, --envName <envName>', '获取环境变量名称')

.parse(process.argv)

// 注册命令 command

// const clone = program.command('clone <source> [destination]')

// clone

//   .description('克隆仓库')

//   .option('-f --force', '是否强制克隆', false)

//   .action((source, destination, cmdObj) => {

//     console.log('this is command "clone"', source, destination, cmdObj.force)

//   })

// program

//   .command('clone')

//   .argument('<source>', '仓库地址')

//   .argument('[destination]', '仓库地址')

//   .description('clone a repository')

//   .action((source, destination, cmdObj) => {

//     console.log('this is command "clone"', source, destination, cmdObj.title)

//   })

// 注册命令 addCommand

const service = new commander.Command('service')

service

.command('start [port]')

.alias('s')

.description('start service by port')

.action((port) => {

console.log('do service start', port)

})

service

.command('stop')

.description("stop service")

.action(() => {

console.log('stop service')

})

program.addCommand(service)

program.parse(process.argv)