webpack.config.js

const webpack = require('webpack');

module.exports = {
  entry: ['@babel/polyfill', './src/index.js'],
  module: {
    rules: [
      {
        test: /\.(js|jsx)$/,
        exclude: /node_modules/,
        use: ['babel-loader']
      },
      {
        test: /\.less$/,
        use: [
          {
            loader: "style-loader"
          },
          {
            loader: "css-loader",
            query: {
              sourceMap: true,
              modules: true,
              localIdentName: "[local]__[hash:base64:5]"
            }
          },
          {
            loader: "less-loader"
          }
        ]
      },
      {
        test: /\.svg$/,
        use: [
          {
            loader: "babel-loader"
          },
          {
            loader: "react-svg-loader",
            options: {
              jsx: true
            }
          }
        ]
      }
    ]
  },
  resolve: {
    extensions: ['*', '.js', '.jsx']
  },
  output: {
    path: __dirname + '/dist',
    publicPath: '/',
    filename: 'bundle.js'
  },
  plugins: [
    new webpack.HotModuleReplacementPlugin()
  ],
  devServer: {
    contentBase: './dist',
    hot: true
  }
};