.eleventy.js

const MarkdownItAnchor = require("markdown-it-anchor");

module.exports = (eleventyConfig) => {
  const sourceDir = "src";

  // Copy folders as-is
  eleventyConfig.addPassthroughCopy(`${sourceDir}/.well-known`);
  eleventyConfig.addPassthroughCopy(`${sourceDir}/css`);
  eleventyConfig.addPassthroughCopy(`${sourceDir}/img`);
  eleventyConfig.addPassthroughCopy(`${sourceDir}/scripts`);
  // Copy files as-is
  eleventyConfig.addPassthroughCopy(`${sourceDir}/.htaccess`);
  eleventyConfig.addPassthroughCopy(`${sourceDir}/favicon.ico`);
  eleventyConfig.addPassthroughCopy(`${sourceDir}/favicon.svg`);

  // Ignored files
  eleventyConfig.ignores.add(`${sourceDir}/old_news.md`);

  eleventyConfig.amendLibrary("md", (mdLib) => {
    // https://github.com/valeriangalliat/markdown-it-anchor#usage
    const options = {
      permalink: MarkdownItAnchor.permalink.headerLink()
    };
    mdLib.use(MarkdownItAnchor, options);
  });

  return {
    dir: {
      input: sourceDir
    }
  };
};