webpack 打包后如何调试js

webpack.config.js

module.exports = {
 //devtool调试
  devtool: 'eval-source-map',
  entry:  __dirname + "/app/main.js",
  output: {
    path: __dirname + "/public",
    filename: "bundle.js"
  }
}

参考博客：http://www.cnblogs.com/model-zachary/p/7748118.html