node通过bable体验es6模块化

npm i --save--dev  @bable/core @bable/cil @bable/preset-env @bable/node

// npm i --save @bable/polyfill
//项目创建配置文件 bable.config.js

const presets = [
[ "@bable/env" , {
    targets: {
        edge: '17',
        chrom: '67'    
        }
    }]
]

module.exports = {presets}

//npx bable-node index.js