const HtmlWebpackPlugin = require("html-webpack-plugin");
const HtmlWebpackProcessingPlugin = require("html-webpack-processing-plugin");
 
const webpackConfig = {
  entry: "index.js",
  output: {
    path: "dist",
    filename: "index_bundle.js",
  },
  plugins: [
    new HtmlWebpackPlugin({
      preProcessing: (originalHTML) => {
        let newHTML = originalHTML + "<div></div>";
        return newHTML;
      },
    }),
    new HtmlWebpackProcessingPlugin(),
  ],
};

const HtmlWebpackPlugin = require('html-webpack-plugin');
const HtmlWebpackProcessingPlugin = require('html-webpack-processing-plugin';)
 
const webpackConfig = {
  entry: 'index.js',
  output: {
    path: 'dist',
    filename: 'index_bundle.js'
  },
  plugins: [
    new HtmlWebpackPlugin({
      postProcessing: originalHTML => {
        let newHTML = originalHTML + '<div></div>';
        return newHTML;
      }
    }),
    new HtmlWebpackProcessingPlugin()
  ]
};