rollup快速入门

npm install --global rollup

function Person(){
    var name = 'default';

    function setName(n){
        name = n;
    }

    function getName(){
        return name;
    }

    return{
        setName:setName,
        getName:getName
    }
}

export {Person};

import {Person} from './Person.js';

var p1 = Person();
p1.setName('ball');
console.log(p1.getName());

rollup src/main.js -o index.js -f iife

export default {
  input: 'src/main.js',
  output: {
    file: 'index.js',
    format: 'cjs'
  }
};

rollup -c rollup.config.js

node index.js 
ball