.eleventy.js

const moment = require("moment");
const CleanCSS = require("clean-css");
const syntaxHighlight = require("@11ty/eleventy-plugin-syntaxhighlight");
const { DateTime } = require("luxon");

moment.locale("en");

module.exports = function (eleventyConfig) {
  eleventyConfig.addFilter("dateIso", (date) => {
    return moment(date).toISOString();
  });

  eleventyConfig.addFilter("dateReadable", (date) => {
    return moment(date).utc().format("LL"); // E.g. May 31, 2019
  });

  eleventyConfig.addFilter("cssmin", function (code) {
    return new CleanCSS({}).minify(code).styles;
  });
  eleventyConfig.addFilter("postDate", (dateObj) => {
    return DateTime.fromJSDate(dateObj).toLocaleString();
  });
  eleventyConfig.addPassthroughCopy("assets/fonts");
  eleventyConfig.addPlugin(syntaxHighlight);

  const markdownIt = require("markdown-it");

  const markdownItAnchor = require("markdown-it-anchor");
  const markdownLib = markdownIt({ html: true }).use(markdownItAnchor);

  eleventyConfig.setLibrary("md", markdownLib);
};