.eleventy.js

const CleanCSS = require("clean-css");

module.exports = function (eleventyConfig) {

  // Add a date formatter filter to Nunjucks
  eleventyConfig.addFilter("dateDisplay", require("./filters/dates.js"));
  eleventyConfig.addFilter("timestamp", require("./filters/timestamp.js"));
  eleventyConfig.addFilter("squash", require("./filters/squash.js"));

  eleventyConfig.addPassthroughCopy('css');

  // Minify CSS
  eleventyConfig.addFilter("cssmin", function (code) {
    return new CleanCSS({}).minify(code).styles;
  });

  eleventyConfig.addShortcode("year", () => `${new Date().getFullYear()}`);

  eleventyConfig.addCollection('experiments', function (collection) {
    return collection.getAllSorted().reverse().filter(function (item) {
      if ('status' in item.data == true) {
        return item.data
      }
    });
  });

  return {
    dir: {
      input: "src/site",
      output: "dist",
      includes: "_includes"
    },
    templateFormats: ["njk", "md", "png", "ico", "pdf", "css", "js", "wav", "mp3", "gltf", "glb"],
    htmlTemplateEngine: "njk",
    markdownTemplateEngine: "njk",
    passthroughFileCopy: true
  };

};