astro.config.ts

import { defineConfig } from "astro/config";
import starlight from "@astrojs/starlight";
import tailwind from "@astrojs/tailwind";
import starlightDocSearch from "@astrojs/starlight-docsearch";
import starlightImageZoom from "starlight-image-zoom";
import liveCode from "astro-live-code";
import rehypeMermaid from "rehype-mermaid";
import rehypeAutolinkHeadings, {
	type Options as rehypeAutolinkHeadingsOptions,
} from "rehype-autolink-headings";
import rehypeExternalLinks from "rehype-external-links";
import starlightLinksValidator from "starlight-links-validator";
import { h } from "hastscript";
import { readdir } from "fs/promises";
import icon from "astro-icon";
import sitemap from "@astrojs/sitemap";
import react from "@astrojs/react";
import rehypeTitleFigure from "rehype-title-figure";
import rehypeHeadingSlugs from "./plugins/rehype/heading-slugs";

const runLinkCheck = process.env.RUN_LINK_CHECK || false;

async function autogenSections() {
	const sections = (
		await readdir("./src/content/docs/", {
			withFileTypes: true,
		})
	)
		.filter((x) => x.isDirectory())
		.map((x) => x.name);
	return sections.map((x) => {
		return {
			label: x,
			autogenerate: {
				directory: x,
				collapsed: true,
			},
		};
	});
}
const AnchorLinkIcon = h(
	"span",
	{
		ariaHidden: "true",
		class: "anchor-icon",
	},
	h(
		"svg",
		{
			width: 16,
			height: 16,
			viewBox: "0 0 24 24",
		},
		h("path", {
			fill: "currentcolor",
			d: "m12.11 15.39-3.88 3.88a2.52 2.52 0 0 1-3.5 0 2.47 2.47 0 0 1 0-3.5l3.88-3.88a1 1 0 0 0-1.42-1.42l-3.88 3.89a4.48 4.48 0 0 0 6.33 6.33l3.89-3.88a1 1 0 1 0-1.42-1.42Zm8.58-12.08a4.49 4.49 0 0 0-6.33 0l-3.89 3.88a1 1 0 0 0 1.42 1.42l3.88-3.88a2.52 2.52 0 0 1 3.5 0 2.47 2.47 0 0 1 0 3.5l-3.88 3.88a1 1 0 1 0 1.42 1.42l3.88-3.89a4.49 4.49 0 0 0 0-6.33ZM8.83 15.17a1 1 0 0 0 1.1.22 1 1 0 0 0 .32-.22l4.92-4.92a1 1 0 0 0-1.42-1.42l-4.92 4.92a1 1 0 0 0 0 1.42Z",
		}),
	),
);
const autolinkConfig: rehypeAutolinkHeadingsOptions = {
	properties: {
		class: "anchor-link",
	},
	behavior: "after",
	group: ({ tagName }) =>
		h("div", {
			tabIndex: -1,
			class: `heading-wrapper level-${tagName}`,
		}),
	content: () => [AnchorLinkIcon],
};

// https://astro.build/config
export default defineConfig({
	site: "https://developers.cloudflare.com",
	markdown: {
		smartypants: false,
		rehypePlugins: [
			[
				rehypeMermaid,
				{
					strategy: "pre-mermaid",
				},
			],
			[
				rehypeExternalLinks,
				{
					content: {
						type: "text",
						value: " ↗",
					},
					properties: {
						target: "_blank",
					},
					rel: ["noopener"],
				},
			],
			rehypeHeadingSlugs,
			[rehypeAutolinkHeadings, autolinkConfig],
			// @ts-expect-error TODO: fix types
			rehypeTitleFigure,
		],
	},
	experimental: {
		contentIntellisense: true,
		contentLayer: true,
		directRenderScript: true,
	},
	server: {
		port: 1111,
	},
	integrations: [
		starlight({
			title: "Cloudflare Docs",
			logo: {
				src: "./src/assets/logo.svg",
			},
			favicon: "/favicon.png",
			head: [
				{
					tag: "meta",
					attrs: {
						name: "image",
						content: "https://developers.cloudflare.com/cf-twitter-card.png",
					},
				},
				{
					tag: "meta",
					attrs: {
						name: "og:image",
						content: "https://developers.cloudflare.com/cf-twitter-card.png",
					},
				},
				{
					tag: "meta",
					attrs: {
						name: "twitter:image",
						content: "https://developers.cloudflare.com/cf-twitter-card.png",
					},
				},
			],
			social: {
				github: "https://github.com/cloudflare/cloudflare-docs",
				"x.com": "https://x.com/cloudflare",
				youtube: "https://www.youtube.com/cloudflare",
			},
			editLink: {
				baseUrl:
					"https://github.com/cloudflare/cloudflare-docs/edit/production/",
			},
			components: {
				Footer: "./src/components/overrides/Footer.astro",
				Head: "./src/components/overrides/Head.astro",
				Hero: "./src/components/overrides/Hero.astro",
				LastUpdated: "./src/components/overrides/LastUpdated.astro",
				MarkdownContent: "./src/components/overrides/MarkdownContent.astro",
				Sidebar: "./src/components/overrides/Sidebar.astro",
				PageSidebar: "./src/components/overrides/PageSidebar.astro",
				PageTitle: "./src/components/overrides/PageTitle.astro",
				SocialIcons: "./src/components/overrides/SocialIcons.astro",
				SkipLink: "./src/components/overrides/SkipLink.astro",
				TableOfContents: "./src/components/overrides/TableOfContents.astro",
			},
			sidebar: await autogenSections(),
			customCss: [
				"./src/asides.css",
				"./src/headings.css",
				"./src/input.css",
				"./src/kbd.css",
				"./src/littlefoot.css",
				"./src/mermaid.css",
				"./src/table.css",
				"./src/tailwind.css",
				"./src/title.css",
				"./src/tooltips.css",
			],
			pagination: false,
			plugins: [
				...(runLinkCheck
					? [
							starlightLinksValidator({
								errorOnInvalidHashes: false,
								errorOnLocalLinks: false,
								exclude: [
									"/api/",
									"/api/**",
									"/changelog/",
									"/http/resources/**",
									"{props.*}",
									"/",
									"**/glossary/?term=**",
									"/products/?product-group=*",
									"/products/",
									"/rules/snippets/examples/?operation=*",
									"/rules/transform/examples/?operation=*",
									"/ruleset-engine/rules-language/fields/reference/**",
									"/workers/examples/?languages=*",
									"/workers/examples/?tags=*",
									"/workers-ai/models/**",
								],
							}),
						]
					: []),
				starlightDocSearch({
					appId: "D32WIYFTUF",
					apiKey: "5cec275adc19dd3bc17617f7d9cf312a",
					indexName: "prod_devdocs",
					insights: true,
				}),
				starlightImageZoom(),
			],
			lastUpdated: true,
		}),
		tailwind({
			applyBaseStyles: false,
		}),
		liveCode({
			layout: "~/components/live-code/Layout.astro",
		}),
		icon(),
		sitemap({
			serialize(item) {
				item.lastmod = new Date().toISOString();
				return item;
			},
		}),
		react(),
	],
});