webpack.common.js

const path = require("path");
const fs = require("fs");
var HTMLWebpackPlugin = require("html-webpack-plugin");

// List all files in a directory in Node.js recursively in a synchronous fashion
// https://gist.github.com/kethinov/6658166#gistcomment-1976458
const walkSync = (dir, filelist = []) => {
  fs.readdirSync(dir).forEach((file) => {
    filelist = fs.statSync(path.join(dir, file)).isDirectory()
      ? walkSync(path.join(dir, file), filelist)
      : filelist.concat(path.join(dir, file));
  });
  return filelist;
};

const dir = "src/pages";
const pages = walkSync(dir).map((el) => el.slice(dir.length + 1));

console.log(pages);

module.exports = {
  entry: {
    index: "./src/index.js",
    content: "./src/js/content.js",
    team: "./src/js/team.js",
    landing: "./src/js/landing.js",
    notebook: "./src/js/notebook.js",  
    engineering: "./src/js/engineering.js",  
  },
  output: {
    filename: "[name].bundle.js",
    path: path.resolve(__dirname, "dist"),
  },
  devtool: "none", // avoid eval statements
  // https://stackoverflow.com/questions/44557802/how-to-create-multiple-pages-in-webpack
  plugins: [
    new HTMLWebpackPlugin({
      filename: "index.html",
      template: "./src/index.pug",
      chunks: ["index"],
    }),
    ...pages.map(
      (page) =>
        new HTMLWebpackPlugin({
          template: "./src/pages/" + page,
          filename: page.slice(0, -4) + "/index.html",
          chunks: ["content"],
        })
    ),
    new HTMLWebpackPlugin({
      filename: "Team/index.html",
      template: "./src/pages/Team.pug",
      chunks: ["team"],
    }),
    new HTMLWebpackPlugin({
      filename: "Model/index.html",
      template: "./src/pages/Model.pug",
      chunks: ["landing"],
    }),
    new HTMLWebpackPlugin({
      filename: "Experiments/index.html",
      template: "./src/pages/Experiments.pug",
      chunks: ["landing"],
    }),
    new HTMLWebpackPlugin({
      filename: "Notebook/index.html",
      template: "./src/pages/Notebook.pug",
      chunks: ["notebook"],
    }),
    new HTMLWebpackPlugin({
      filename: "Engineering/index.html",
      template: "./src/pages/Engineering.pug",
      chunks: ["engineering"],
    }),
  ],
  module: {
    rules: [
      {
        test: /\.pug$/,
        use: ["pug-loader"],
      },
    ],
  },
};