template.pug

doctype html
html
  head
    meta(charset="utf-8")
    title #{htmlWebpackPlugin.options.title}
  body
    each cssFile in htmlWebpackPlugin.files.css
      style !{compilation.assets[cssFile.path.substr(htmlWebpackPlugin.files.publicPath.length)].source()}
    each jsFile in htmlWebpackPlugin.files.js
      script !{compilation.assets[jsFile.path.substr(htmlWebpackPlugin.files.publicPath.length)].source()}