#!/usr/bin/env node
const program = require('commander'),
    inquirer = require('inquirer'),
    fs = require('fs'),
    path = require('path')

program.command('create') //命令
    .description('创建') //描述
    .action((dir) => {
        inquirer.prompt([{
            type: 'checkbox', //类型
            message: '请选择要合并的文件夹', //描述
            name: 'list', //键
            choices: ['a', 'b', 'c'] //选项
        }]).then(res => {
            let { list } = res, //解构结果
                arr = []
            list.map(v => {
                let dir = fs.readdirSync(v) //读取每个文件夹
                console.log(dir)
                dir.map(item => {
                    if (path.extname(item) === '.json') {
                        let filepath = path.join(v, item)
                        let jsonObj = JSON.parse(fs.readFileSync(filepath))
                        arr.push(jsonObj)
                        return
                    }
                    return
                })
            })
            fs.mkdirSync('dist')
            fs.writeFileSync('dist/index.json', JSON.stringify(arr))
        })
    })