cv/.npm-scripts/funcs/minifyHtml.js

const minify = require("html-minifier").minify;

module.exports = function(config, item) {
  return new Promise(function(resolve, reject) {
    resolve({
      ...item,
      content: minify(item.content, {
        removeAttributeQuotes: true,
        minifyCSS: true,
        minifyJS: true,
        collapseWhitespace: true
      })
    });
  });
};