var path = require('path');
module.exports = {
  entry: "./src/main.js",//入口文件
  output: {//打包输出的文件
    path: __dirname,
    filename: "./dist/bundle.js"
  },
  module: {
    loaders: [
      {
        test: path.join(__dirname, 'src'),
        loader: 'babel-loader',
        query: {
          presets: ['es2015']
        }
      }
    ]
  }
}

{
  "name": "test",
  "version": "1.0.0",
  "description": "",
  "main": "index.js",
  "scripts": {
    "start": "webpack-dev-server",
    "test": "echo \"Error: no test specified\" && exit 1"
  },
  "author": "",
  "license": "ISC",
  "devDependencies": {
    "babel-core": "^6.24.1",
    "babel-loader": "^6.4.1",
    "webpack": "^2.4.1"
  }
}

Tiada masalah apabila menggunakan perintah webpack untuk membungkus
Menggunakan npm start to package tidak melaporkan ralat, tetapi fail tidak dibungkus
Saya perlu melaksanakan webpack terlebih dahulu untuk membungkus fail, dan kemudian melaksanakan npm start to muat panas kemas kini