.eleventy.js

module.exports = function (config) {
  // A useful way to reference the context we are runing eleventy in
  let env = process.env.ELEVENTY_ENV;

  // Layout aliases can make templates more portable
  config.addLayoutAlias("default", "layouts/base.njk");

  // Add some utility filters
  config.addFilter("dateDisplay", require("./src/utils/filters/date.js"));

  // minify the html output
  config.addTransform("htmlmin", require("./src/utils/minify-html.js"));

  // compress and combine js files
  config.addFilter("jsmin", function (code) {
    const UglifyJS = require("uglify-js");
    let minified = UglifyJS.minify(code);
    if (minified.error) {
      console.log("UglifyJS error: ", minified.error);
      return code;
    }
    return minified.code;
  });

  // pass some assets right through
  config.addPassthroughCopy("./src/site/images");

  // make the seed target act like prod
  env = env == "seed" ? "prod" : env;
  return {
    dir: {
      input: "src/site",
      output: "dist",
      data: `_data/${env}`,
    },
    templateFormats: ["njk", "md", "11ty.js"],
    htmlTemplateEngine: "njk",
    markdownTemplateEngine: "njk",
    passthroughFileCopy: true,
  };
};