webpack 教程二 创建第一个module

1.src/ 创建messages.js

module.exports = {
  say: 'bro',
  event: 'give me five',
};

2.src/ index.js

var messages = require('./messages');

var app = document.getElementById('app');
app.innerHTML = '<p>' + messages.say + ' hello world ' + messages.event + '</p>';

3. npm run build

4.自动打包配置 --watch

  "scripts": {
    "build": "rimraf dist && webpack src/index.js dist/bundle.js --watch"
  },