.eleventy.js

// docs: https://www.11ty.io/docs/config/

// Import filters
const sortByOrder = require('./_source/_filters/sortByOrder.js');
const slayWidows = require('./_source/_filters/slayWidows.js');
const prettyDate = require('./_source/_filters/prettyDate.js');

module.exports = function(eleventyConfig) {

  // filters
  eleventyConfig.addFilter('sortByOrder', sortByOrder);
  eleventyConfig.addFilter('slayWidows', slayWidows);
  eleventyConfig.addFilter('prettyDate', prettyDate);

  // BrowserSync settings
  eleventyConfig.setBrowserSyncConfig({
    files: [ // watch the files generated by Gulp
      '_public/assets/*.css',
      '_public/assets/*.js',
      '_public/assets',
      '!_public/assets/**/**.map'
    ],
    ui: false,
  });

  // MarkdownIt settings
  let markdownIt = require('markdown-it');
  let markdownItOptions = {
    html: true, // allow HTML markup
    typographer: true // fancy quotes
  };

  // 11ty settings
  eleventyConfig.setLibrary('md', markdownIt(markdownItOptions));
  eleventyConfig.addPassthroughCopy('_redirects');
  eleventyConfig.addPassthroughCopy({ '_source/_assets/fonts': 'assets/fonts' });
  eleventyConfig.setDataDeepMerge(true);

  return {
    dir: {
      input: '_source',
      output: '_public',
      layouts: '_layouts',
      includes: '_includes'
    },
    templateFormats: ['html', 'md', 'liquid'],
    htmlTemplateEngine: 'liquid'
  };
};