.eleventy.js

module.exports = function(eleventyConfig) {

  // register these for copying content across
  // if we used a pipeline tool, like webpack, we wouldn't use these (I think)
  eleventyConfig.addPassthroughCopy("js");
  eleventyConfig.addPassthroughCopy("img");
  eleventyConfig.addPassthroughCopy("css");

  // used for content images
  eleventyConfig.addPassthroughCopy("figures");

  // used for Dat and others
  eleventyConfig.addPassthroughCopy(".well-known");

  /* Markdown Plugins */
  let markdownIt = require("markdown-it");
  let markdownItAnchor = require("markdown-it-anchor");
  let markdownFootnote = require("markdown-it-footnote");


  let options = {
    html: true,
    breaks: true,
    linkify: true
  };
  let opts = {
    permalink: true,
    permalinkClass: "direct-link",
    permalinkSymbol: "#"
  };

  eleventyConfig.setLibrary("md", markdownIt(options)
    .use(markdownItAnchor, opts)
    .use(markdownFootnote)
  );

  return {
    templateFormats: [
      "md",
      "njk",
      "html",
      "liquid"
    ],

    // If your site lives in a different subdirectory, change this.
    // Leading or trailing slashes are all normalized away, so don’t worry about it.
    // If you don’t have a subdirectory, use "" or "/" (they do the same thing)
    // This is only used for URLs (it does not affect your file structure)
    pathPrefix: "/",

    markdownTemplateEngine: "liquid",
    htmlTemplateEngine: "njk",
    dataTemplateEngine: "njk",
    passthroughFileCopy: true,
    dir: {
      input: ".",
      includes: "_includes",
      data: "_data",
      output: "_site"
    }
  };
};