node-cli-demo-lbb/bin/create.js

// commonjs 写法
const path = require('path')
const fs = require("fs-extra")
const inquirer = require("inquirer")
const Generator = require("./Generator")
module.exports = async function(name,options){
    // 验证是否正常取到值
    const cwd = process.cwd();

    const targetAir = path.join(cwd,name)

    if(fs.existsSync(targetAir)){
        if(options.force){
            await fs.remove(targetAir)
        }else {
            let {action} = await inquirer.prompt([
                {
                    name:"action",
                    type:'list',
                    message:"Target directory already exists Pick an action:",
                    choices:[
                        {
                            name:'Overwrite',
                            value:"overwrite"
                        },
                        {
                            name:"Cancel",
                            value:false
                        }
                    ]
                }
            ])

            if(!action){
                return 
            }else if(action == 'overwrite'){
                console.log(`\r\n Removing`)
                await fs.remove(targetAir)
            }
        }
    }

    const generator = new Generator(name,targetAir)
    generator.create()
}