djLint/docs/src/_utils/minify-html.js

const htmlmin = require('html-minifier');

module.exports = function (content, outputPath) {
  if (outputPath.endsWith('.html')) {
    let minified = htmlmin.minify(content, {
      useShortDoctype: true,
      removeComments: true,
      collapseWhitespace: true,
    });
    return minified;
  }
  return content;
};