.eleventy.js

'use strict';

const syntaxHighlight = require("@11ty/eleventy-plugin-syntaxhighlight");
const markdownIt = require('markdown-it');
const markdownItAnchor = require('markdown-it-anchor');

function slugify(s) {
    return encodeURIComponent(
        String(s).trim().toLowerCase()
        .replace(/[\(\)]/g, '')
        .replace(/\s+/g, '-')
    );
}

module.exports = function(eleventyConfig) {
  const src = process.env.SLATEDIR || 'source';
  eleventyConfig.addPassthroughCopy(src+"/slate/css/*.css");
  eleventyConfig.addPassthroughCopy(src+"/slate/js");
  eleventyConfig.addPassthroughCopy(src+"/slate/img");
  eleventyConfig.addPassthroughCopy(src+"/slate/fonts");
  eleventyConfig.addPlugin(syntaxHighlight);
  eleventyConfig.setLibrary("md",
    markdownIt({
      html: true,
      linkify: true,
      typographer: true
    }).use(markdownItAnchor, {
        slugify: slugify
    })
  );
};