webpack.config.js

const path = require('path');
const HtmlWebpackPlugin = require('html-webpack-plugin');
const HtmlWebpackPartialsPlugin = require('../../');

module.exports = {
  entry: {
    main: path.join(__dirname, './main.js')
  },
  output: {
    path: path.join(__dirname, './dist'),
    filename: '[name].js'
  },
  module: {
    rules: [
      {
        test: /\.js$/,
        exclude: /node_modules/,
        use: {
          loader: 'babel-loader',
          options: {
            presets: [
              '@babel/preset-env',
              '@babel/preset-react'
            ]
          }
        }
      }
    ]
  },
  plugins: [
    new HtmlWebpackPlugin(),
    new HtmlWebpackPartialsPlugin({
      path: path.join(__dirname, './partials/body.html')
    })
  ]
};

main.js

import React from 'react';
import ReactDOM from 'react-dom';

ReactDOM.render(
  
Hello, world!
,
  document.getElementById('root')
);

partials/body.html

<div id="root"></div>
...and the rest of this configuration example