Ejemplo de configuración para Eleventy

.eleventy.js

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

module.exports = function(eleventyConfig){
  
   eleventyConfig.setUseGitIgnore(false);
    
   eleventyConfig.addWatchTarget("./_tmp/style.css");
  
   eleventyConfig.addPassthroughCopy( { "./_tmp/style.css": "./style.css" });
    
   eleventyConfig.addPassthroughCopy("images");
    
   eleventyConfig.addShortcode("version", function () {
      return String(Date.now());
    });
  
   eleventyConfig.addShortcode("year", function(){
     return  String(new Date().getFullYear());
    });

   eleventyConfig.addTransform("htmlmin", function (content, outputPath) {
       
     if (
          process.env.ELEVENTY_PRODUCTION &&
          outputPath &&
          outputPath.endsWith(".html")
       ) {
          let minified = htmlmin.minify(content, {
            useShortDoctype: true,
            removeComments: true,
            collapseWhitespace: true,
        });
          return minified;
        }
    
        return content;
    });

    
    return {
        dir: {
            input: "src",
            output: "public"
        }
    }

}