webpack.dev.config.js

const webpack = require('webpack')
const path = require('path')
const HhtmlWebpackPlugin = require('html-webpack-plugin')

module.exports = {
  mode: 'development',
  entry: './src/app.js',
  output: {
    path: path.resolve(__dirname, 'dist'),
    filename: 'bundle.js'
  },
  module: {
    rules: [
      { test: /\.js$/, loader: 'babel-loader' },
      {
        test: /\.scss$/,
        loader: 'style-loader!css-loader!sass-loader'
      },
      {
        test: /\.(png|jpg|gif|woff|ttf|svg|eot)$/,
        use: [
          {
            loader: 'url-loader',
            options: {
              limit: 8192
            }
          }
        ]
      }
    ]
  },
  devServer: {
    port: 8888,
    inline: true,
    hot: true,
    open: true
  },
  devtool: 'inline-source-map',
  plugins: [
    new webpack.HotModuleReplacementPlugin(),
    new HhtmlWebpackPlugin({
      template: './index.html'
    })
  ]
}