webpack.config.js

const path = require("path")
const HtmlWebpackPlugin = require("html-webpack-plugin")
const htmlWebpackPlugin = new HtmlWebpackPlugin({
  template : path.join(__dirname, "examples/src/index.html"),
  filename : "./index.html"
})
module.exports = {
  entry     : path.join(__dirname, "examples/src/index.js"),
  output    : {
    path     : path.join(__dirname, "examples/dist"),
    filename : "bundle.js"
  },
  module    : {
    rules : [
      {
        test    : /\.(js|jsx)$/,
        use     : "babel-loader",
        exclude : /node_modules/
      },
      {
        test : /\.css$/,
        use  : ["style-loader", "css-loader"]
      }
    ]
  },
  plugins   : [htmlWebpackPlugin],
  resolve   : {
    extensions : [".js", ".jsx"]
  },
  devServer : {
    port : 3001
  }
}