import pluginFilters from "./_config/filters.js";

export default async function(eleventyConfig) {
	eleventyConfig.addPlugin(pluginFilters);

  eleventyConfig.addCollection("series", collectionsApi => {
    const seriesNames = collectionsApi.
      getFilteredByTag("posts").
      filter(post => post.data.series != null).
      map(post => post.data.series.name).
      sort();

    return [...new Set(seriesNames)];
  });

  eleventyConfig.addCollection("site_nav", collectionsApi => {
    return collectionsApi.
      getFilteredByTag("site").
      filter(page => page.data.nav_order).
      sort((a, b) => a.data.nav_order - b.data.nav_order);
  });
};

export const config = {
  dir: {
    input: 'content',
    includes: '../_includes',
    data: '../_data',
    output: 'dist'
  }
};