webpack.config.js

const path = require('path');
const {CleanWebpackPlugin} = require('clean-webpack-plugin');
const HTMLWebpackPlugin = require('html-webpack-plugin');

module.exports = {
  mode: "development",
  entry: ["@babel/polyfill", "./src/index.jsx"],
  output: {
    path: path.resolve(__dirname, "dist"),
    filename: "[name].[hash].js",
    publicPath: '/'
  },
  devServer: {
    historyApiFallback: true
  },
  resolve: {
    extensions: ['.js', '.jsx']
  },
  plugins: [
    new CleanWebpackPlugin(),
    new HTMLWebpackPlugin({template: "./src/index.html"})
  ],
  module: {
    rules: [
      {
        test: /\.(css|less)$/,
        use: ["style-loader", "css-loader", "less-loader"]
      },
      {
        test: /\.(jpg|jpeg|png|svg)$/,
        use: ['file-loader']
      },
      {
        test: /\.m?js$/,
        exclude: /node_modules/,
        use: {
          loader: "babel-loader",
          options: {
            presets: ['@babel/preset-env']
          }
        }
      },
      {
        test: /\.m?jsx$/,
        exclude: /node_modules/,
        use: {
          loader: "babel-loader",
          options: {
            presets: ['@babel/preset-env', ["@babel/preset-react"]]
          }
        }
      }
    ]
  }
}