eleventy.config.js

import {
	IdAttributePlugin,
	InputPathToUrlTransformPlugin,
	HtmlBasePlugin,
} from "@11ty/eleventy";
import { feedPlugin } from "@11ty/eleventy-plugin-rss";
import pluginSyntaxHighlight from "@11ty/eleventy-plugin-syntaxhighlight";
import pluginNavigation from "@11ty/eleventy-navigation";
import { eleventyImageTransformPlugin } from "@11ty/eleventy-img";
import pluginRss from "@11ty/eleventy-plugin-rss";

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

/** @param {import("@11ty/eleventy").UserConfig} eleventyConfig */
export default async function (eleventyConfig) {
	// Drafts, see also _data/eleventyDataSchema.js
	eleventyConfig.addPreprocessor("drafts", "*", (data, content) => {
		if (data.draft && process.env.ELEVENTY_RUN_MODE === "build") {
			return false;
		}
	});

	// Copy the contents of the `public` folder to the output folder
	// For example, `./public/css/` ends up in `_site/css/`
	eleventyConfig
		.addPassthroughCopy({
			"./public/": "/",
		})
		.addPassthroughCopy("./content/feed/pretty-atom-feed.xsl")
		.addPassthroughCopy("./content/feed/pretty-feed-v3.xsl");

	// Run Eleventy when these files change:
	// https://www.11ty.dev/docs/watch-serve/#add-your-own-watch-targets

	// Watch content images for the image pipeline.
	eleventyConfig.addWatchTarget("content/**/*.{svg,webp,png,jpeg}");

	// Per-page bundles, see https://github.com/11ty/eleventy-plugin-bundle
	// Adds the {% css %} paired shortcode
	eleventyConfig.addBundle("css", {
		toFileDirectory: "dist",
	});
	// Adds the {% js %} paired shortcode
	eleventyConfig.addBundle("js", {
		toFileDirectory: "dist",
	});

	// Official plugins
	eleventyConfig.addPlugin(pluginSyntaxHighlight, {
		preAttributes: { tabindex: 0 },
	});
	eleventyConfig.addPlugin(pluginNavigation);
	eleventyConfig.addPlugin(HtmlBasePlugin);
	eleventyConfig.addPlugin(InputPathToUrlTransformPlugin);
	eleventyConfig.addPlugin(pluginRss);

	// eleventyConfig.addPlugin(feedPlugin, {
	// 	type: "atom", // or "rss", "json"
	// 	outputPath: "/feed/feed.xml",
	// 	stylesheet: "pretty-atom-feed.xsl",
	// 	templateData: {
	// 		eleventyNavigation: {
	// 			key: "Feed",
	// 			order: 4,
	// 		},
	// 	},
	// 	// collection: {
	// 	// 	name: "posts",
	// 	// 	limit: 10,
	// 	// },
	// 	data: {
	// 		name: "words",
	// 	},

	// 	metadata: {
	// 		language: "en",
	// 		title: "Blog Title",
	// 		subtitle: "This is a longer description about your blog.",
	// 		base: "https://example.com/",
	// 		author: {
	// 			name: "Your Name",
	// 		},
	// 	},
	// });

	// Image optimization: https://www.11ty.dev/docs/plugins/image/#eleventy-transform
	eleventyConfig.addPlugin(eleventyImageTransformPlugin, {
		// File extensions to process in _site folder
		extensions: "html",

		// Output formats for each image.
		formats: ["avif", "webp", "auto"],

		// widths: ["auto"],

		defaultAttributes: {
			// e.g. <img loading decoding> assigned on the HTML tag will override these values.
			loading: "lazy",
			decoding: "async",
		},
	});

	// Filters
	eleventyConfig.addPlugin(pluginFilters);

	eleventyConfig.addPlugin(IdAttributePlugin, {
		// by default we use Eleventy’s built-in `slugify` filter:
		// slugify: eleventyConfig.getFilter("slugify"),
		// selector: "h1,h2,h3,h4,h5,h6", // default
	});

	eleventyConfig.addShortcode("currentBuildDate", () => {
		return new Date().toISOString();
	});

	// Features to make your build faster (when you need them)

	// If your passthrough copy gets heavy and cumbersome, add this line
	// to emulate the file copy on the dev server. Learn more:
	// https://www.11ty.dev/docs/copy/#emulate-passthrough-copy-during-serve

	// eleventyConfig.setServerPassthroughCopyBehavior("passthrough");
}

export const config = {
	// Control which files Eleventy will process
	// e.g.: *.md, *.njk, *.html, *.liquid
	templateFormats: ["md", "njk", "html", "liquid", "11ty.js"],

	// Pre-process *.md files with: (default: `liquid`)
	markdownTemplateEngine: "njk",

	// Pre-process *.html files with: (default: `liquid`)
	htmlTemplateEngine: "njk",

	// These are all optional:
	dir: {
		input: "content", // default: "."
		includes: "../_includes", // default: "_includes" (`input` relative)
		data: "../_data", // default: "_data" (`input` relative)
		output: "_site",
	},

	// -----------------------------------------------------------------
	// Optional items:
	// -----------------------------------------------------------------

	// If your site deploys to a subdirectory, change `pathPrefix`.
	// Read more: https://www.11ty.dev/docs/config/#deploy-to-a-subdirectory-with-a-path-prefix

	// When paired with the HTML <base> plugin https://www.11ty.dev/docs/plugins/html-base/
	// it will transform any absolute URLs in your HTML to include this
	// folder name and does **not** affect where things go in the output folder.

	// pathPrefix: "/",
};