seo/sitemap (#18)

Reviewed-on: #18
Co-authored-by: GauthierWebDev <gauthier@gauthierdaniels.fr>
Co-committed-by: GauthierWebDev <gauthier@gauthierdaniels.fr>

app/build-sitemap.ts

@@ -0,0 +1,3 @@
+import { sitemap } from "./services/Sitemap";
+
+sitemap.generateSitemap();

app/buildPublicUrl.ts

@@ -4,7 +4,9 @@ export function buildPublicUrl(pageContext: PageContext, resource: string) {
 	const { baseUrl } = pageContext;
 	const url = new URL(
 		resource,
-		process.env.NODE_ENV === "production" ? "https://memento-dev.fr" : baseUrl,
+		process.env.NODE_ENV === "production"
+			? "https://memento-dev.fr"
+			: baseUrl || "http://localhost:5500",
 	).toString();
 
 	return url;

app/components/QuickLinks.tsx

@@ -3,14 +3,21 @@ import type { IconProps } from "./Icon";
 
 import { Icon } from "./Icon";
 import { Link } from "./Link";
+import clsx from "clsx";
 
 type QuickLinksProps = {
 	children: JSXElement;
+	class?: string;
 };
 
 export default function QuickLinks(props: QuickLinksProps) {
 	return (
-		<div class="not-prose my-12 grid grid-cols-1 gap-6 sm:grid-cols-2">
+		<div
+			class={clsx(
+				"not-prose my-12 grid grid-cols-1 gap-6 sm:grid-cols-2",
+				props.class,
+			)}
+		>
 			{props.children}
 		</div>
 	);
@@ -20,6 +27,7 @@ type QuickLinkProps = {
 	title: string;
 	description: string;
 	href: string;
+	lastEdited?: Date;
 	icon: IconProps["icon"];
 };
 
@@ -29,13 +37,26 @@ QuickLinks.QuickLink = (props: QuickLinkProps) => (
 		<div class="relative overflow-hidden rounded-xl p-6">
 			<Icon icon={props.icon} color="blue" class="h-8 w-8" />
 
-			<h2 class="mt-4 font-display text-base text-slate-900">
+			<h2 class="mt-4 font-display text-base text-slate-900 leading-5">
 				<Link href={props.href}>
 					<span class="absolute -inset-px rounded-xl" />
 					{props.title}
 				</Link>
 			</h2>
 
+			{props.lastEdited && (
+				<p class="mt-2 mb-4 italic text-xs text-slate-500">
+					<span class="font-semibold">Dernière modification :</span>{" "}
+					<time datetime={props.lastEdited.toISOString()}>
+						{props.lastEdited.toLocaleDateString("fr-FR", {
+							year: "numeric",
+							month: "2-digit",
+							day: "2-digit",
+						})}
+					</time>
+				</p>
+			)}
+
 			<p class="mt-1 text-sm text-slate-700">{props.description}</p>
 		</div>
 	</div>

app/layouts/DocsLayout.tsx

@@ -2,6 +2,7 @@ import type { JSXElement } from "solid-js";
 
 import { PrevNextLinks } from "@/components/PrevNextLinks";
 import { usePageContext } from "vike-solid/usePageContext";
+import { LatestDocs } from "@/partials/LatestDocs";
 import { clientOnly } from "vike-solid/clientOnly";
 import { clock } from "solid-heroicons/outline";
 import { navigation } from "@/libs/navigation";
@@ -21,21 +22,25 @@ export function DocsLayout(props: DocsLayoutProps) {
 
 	return (
 		<>
-			<main
-				id="article-content"
-				class="max-w-2xl min-w-0 flex-auto px-4 py-16 lg:max-w-none lg:pr-0 lg:pl-8 xl:px-16 grow"
-			>
-				<article>
-					<DocsHeader
-						title={pageContext.exports.frontmatter?.title}
-						estimatedReadingTime={pageContext.exports.readingTime?.text}
-					/>
-					<Prose>{props.children}</Prose>
-				</article>
-				<PrevNextLinks />
-			</main>
+			<div class="flex">
+				<main
+					id="article-content"
+					class="max-w-2xl min-w-0 flex-auto px-4 py-16 lg:max-w-none lg:pr-0 lg:pl-8 xl:px-16 grow"
+				>
+					<article>
+						<DocsHeader
+							title={pageContext.exports.frontmatter?.title}
+							estimatedReadingTime={pageContext.exports.readingTime?.text}
+						/>
+						<Prose>{props.children}</Prose>
+					</article>
+					<PrevNextLinks />
+				</main>
 
-			<TableOfContents />
+				<TableOfContents />
+			</div>
+
+			<LatestDocs />
 		</>
 	);
 }

app/layouts/LayoutDefault.tsx

@@ -3,8 +3,8 @@ import type { JSXElement } from "solid-js";
 import { usePageContext } from "vike-solid/usePageContext";
 import { SmoothScroll } from "@/components/SmoothScroll";
 import { HeroSection } from "@/partials/HeroSection";
-import { Navigation } from "@/partials/Navigation";
 import { clientOnly } from "vike-solid/clientOnly";
+import { Navigation } from "@/partials/Navigation";
 import { Header } from "@/partials/Header";
 import { Footer } from "@/partials/Footer";
 import { DocsLayout } from "./DocsLayout";
@@ -40,7 +40,10 @@ export default function DefaultLayout(props: DefaultLayoutProps) {
 							<Navigation />
 						</div>
 					</div>
-					<DocsLayout>{props.children}</DocsLayout>
+
+					<div class="flex flex-col">
+						<DocsLayout>{props.children}</DocsLayout>
+					</div>
 				</div>
 
 				<Footer />

app/package.json

@@ -1,7 +1,9 @@
 {
 	"scripts": {
 		"dev": "bun ./fastify-entry.ts",
-		"build": "cross-env DEBUG=vike:error,vike:log vike build",
+		"build": "bun run build:sitemap && bun run build:server",
+		"build:server": "cross-env DEBUG=vike:error,vike:log vike build",
+		"build:sitemap": "cross-env NODE_ENV=production bun ./build-sitemap.ts",
 		"preview": "cross-env NODE_ENV=production bun ./fastify-server.ts",
 		"production": "bun run build && bun run preview",
 		"lint": "biome lint --write .",

app/pages/+Head.tsx

@@ -1,13 +1,23 @@
+import { usePageContext } from "vike-solid/usePageContext";
 import blurCyanImage from "@/images/blur-cyan.webp";
+import { buildPublicUrl } from "@/buildPublicUrl";
 import logoUrl from "@/assets/logo.svg";
 
 // https://vike.dev/Head
 
 export default function HeadDefault() {
+	const pageContext = usePageContext();
+
+	const getCanonicalUrl = () => {
+		return buildPublicUrl(pageContext, pageContext.urlParsed.pathname);
+	};
+
 	return (
 		<>
 			<link rel="icon" href={logoUrl} />
 
+			<link rel="canonical" href={getCanonicalUrl()} />
+
 			<script
 				defer
 				src="https://cloud.umami.is/script.js"
@@ -26,6 +36,9 @@ export default function HeadDefault() {
 				crossorigin="anonymous"
 			/>
 
+			<meta property="og:type" content="siteweb" />
+			<meta property="og:url" content={getCanonicalUrl()} />
+
 			<link
 				href="https://fonts.googleapis.com/css2?family=Inter:wght@400;600&family=Lexend:wght@400;500;700&display=swap"
 				rel="stylesheet"

app/pages/+data.ts

@@ -38,5 +38,10 @@ export async function data(pageContext: PageContext) {
 	return {
 		sections: doc?.sections || [],
 		frontmatter,
+		docs: docCache.orderByLastEdit({
+			limit: 2,
+			includedBasePaths: ["docs", "certifications"],
+			excludedFileNames: [cachePathname],
+		}),
 	};
 }

app/pages/+onPageTransitionEnd.ts

@@ -1,8 +1,60 @@
-import type { OnPageTransitionEndAsync } from "vike/types";
+import type { OnPageTransitionEndAsync, PageContext } from "vike/types";
 
+import { buildPublicUrl } from "@/buildPublicUrl";
 import NProgress from "nprogress";
 
-export const onPageTransitionEnd: OnPageTransitionEndAsync = async () => {
+export const onPageTransitionEnd: OnPageTransitionEndAsync = async (
+	pageContext,
+) => {
 	NProgress.done();
 	NProgress.remove();
+
+	updateCanonicalsTag(pageContext);
+};
+
+const updateCanonicalsTag = (pageContext: PageContext) => {
+	const canonicalNativeTag = findOrCreateTag<HTMLLinkElement>("link", {
+		rel: "canonical",
+	});
+	const canonicalOGTag = findOrCreateTag<HTMLMetaElement>("meta", {
+		property: "og:url",
+	});
+	const typeOGTag = findOrCreateTag<HTMLMetaElement>("meta", {
+		property: "og:type",
+	});
+	const localOGTag = findOrCreateTag<HTMLMetaElement>("meta", {
+		property: "og:locale",
+	});
+	const siteNameOGTag = findOrCreateTag<HTMLMetaElement>("meta", {
+		property: "og:site_name",
+	});
+
+	const canonicalUrl = buildPublicUrl(
+		pageContext,
+		pageContext.urlParsed.pathname,
+	);
+
+	canonicalNativeTag.setAttribute("href", canonicalUrl);
+	canonicalOGTag.setAttribute("content", canonicalUrl);
+	typeOGTag.setAttribute("content", "website");
+	localOGTag.setAttribute("content", "fr-FR");
+	siteNameOGTag.setAttribute("content", document.title);
+};
+
+const findOrCreateTag = <T>(
+	tagName: string,
+	attributes: Record<string, string>,
+): T => {
+	const head = document.head;
+	let tag: HTMLElement | null = head.querySelector(tagName);
+	if (tag) return tag as T;
+
+	tag = document.createElement(tagName);
+	for (const [key, value] of Object.entries(attributes)) {
+		tag.setAttribute(key, value);
+	}
+
+	document.head.appendChild(tag);
+
+	return tag as T;
 };

app/partials/LatestDocs.tsx

@@ -0,0 +1,31 @@
+import type { Data } from "@/pages/+data";
+
+import QuickLinks from "@/components/QuickLinks";
+import { useData } from "vike-solid/useData";
+import { For } from "solid-js";
+
+export function LatestDocs() {
+	const data = useData<Data>();
+
+	return (
+		<section class="bg-violet-200 rounded-md p-4 m-4 lg:m-6">
+			<h2 class="font-display text-3xl tracking-tight text-slate-900 text-center">
+				Dernières documentations
+			</h2>
+
+			<QuickLinks class="!mb-0 !mt-6">
+				<For each={data.docs}>
+					{(doc) => (
+						<QuickLinks.QuickLink
+							title={doc.frontmatter?.title || ""}
+							description={doc.frontmatter?.description || ""}
+							lastEdited={doc.lastEdit}
+							href={doc.filePath}
+							icon="presets"
+						/>
+					)}
+				</For>
+			</QuickLinks>
+		</section>
+	);
+}

app/partials/Navigation.tsx

@@ -27,7 +27,9 @@ function NavigationItem(props: NavigationItemProps) {
 		return props.section.links.some((link) => checkIsLinkActive(link));
 	};
 
-	const [isOpened, setIsOpened] = createSignal(checkIsActive());
+	const [isOpened, setIsOpened] = createSignal(
+		checkIsActive() || pageContext.urlPathname === "/",
+	);
 
 	createEffect(() => {
 		// If the current URL path is the same as the link's href, set isOpened to true

app/public/robots.txt

@@ -0,0 +1,3 @@
+User-agent: *
+Disallow: 
+Sitemap: https://memento-dev.fr/sitemap.xml

app/services/DocCache.ts

@@ -1,5 +1,3 @@
-import type { FlexSearchData } from "./FlexSearchService";
-import type { TableOfContents } from "@/remarkHeadingId";
 import type { Node } from "@markdoc/markdoc";
 
 import { slugifyWithCounter } from "@sindresorhus/slugify";
@@ -16,6 +14,8 @@ export type SectionCache = {
 	frontmatter?: SectionFrontmatter;
 	markdocNode: Node;
 	sections: DocSection[];
+	lastEdit: Date;
+	filePath: string;
 };
 
 export type DocSection = {
@@ -32,6 +32,14 @@ type SectionFrontmatter = {
 	tags: string[];
 };
 
+type OrderConfig = {
+	limit: number;
+	includedBasePaths: string[];
+	excludedBasePaths: string[];
+	includedFileNames: string[];
+	excludedFileNames: string[];
+};
+
 class DocCache {
 	private static readonly pagesDir = path.join(__dirname, "pages");
 	private static instance: DocCache | null = null;
@@ -162,12 +170,17 @@ class DocCache {
 			.replace(/\+Page\.md(x)?$/, "")
 			.replace(/\/+/, "/")
 			.replace(/\/$/, "");
+		const lastEdit = new Date(
+			(await fs.stat(path.join(DocCache.pagesDir, file))).mtime,
+		);
 
 		this.cache.set(filePath, {
 			content,
 			frontmatter,
 			markdocNode,
 			sections: this.getTableOfContents(markdocNode),
+			lastEdit,
+			filePath,
 		});
 	}
 
@@ -207,6 +220,84 @@ class DocCache {
 		return this.cache.get(file);
 	}
 
+	public orderByLastEdit(customConfig?: Partial<OrderConfig>): SectionCache[] {
+		const config: OrderConfig = {
+			excludedBasePaths: [],
+			includedBasePaths: [],
+			excludedFileNames: [],
+			includedFileNames: [],
+			limit: 0,
+			...customConfig,
+		};
+
+		const checkIfIncludedBasePath = (doc: SectionCache) => {
+			if (config.includedBasePaths.length > 0) {
+				return config.includedBasePaths.some((basePath) => {
+					return doc.filePath.startsWith(basePath);
+				});
+			}
+
+			return true;
+		};
+
+		const checkIfExcludedBasePaths = (doc: SectionCache) => {
+			if (config.excludedBasePaths.length > 0) {
+				return !config.excludedBasePaths.some((basePath) => {
+					return doc.filePath.startsWith(basePath);
+				});
+			}
+
+			return true;
+		};
+
+		const checkIfIncludedFileNames = (doc: SectionCache) => {
+			if (config.includedFileNames.length > 0) {
+				return config.includedFileNames.some((fileName) => {
+					return doc.filePath.includes(fileName);
+				});
+			}
+
+			return true;
+		};
+
+		const checkIfExcludedFileNames = (doc: SectionCache) => {
+			if (config.excludedFileNames.length > 0) {
+				return !config.excludedFileNames.some((fileName) => {
+					return doc.filePath === fileName;
+				});
+			}
+
+			return true;
+		};
+
+		const sortedDocs = Array.from(this.cache.values())
+			.sort((a, b) => b.lastEdit.getTime() - a.lastEdit.getTime())
+			.filter((doc) => {
+				const isIncluded = [
+					checkIfIncludedBasePath(doc),
+					checkIfExcludedBasePaths(doc),
+					checkIfIncludedFileNames(doc),
+					checkIfExcludedFileNames(doc),
+				].every((check) => check === true);
+
+				// DEBUG
+				// if (!isIncluded) {
+				// 	console.group(doc.filePath);
+				// 	console.log("includedBasePaths", checkIfIncludedBasePath(doc));
+				// 	console.log("excludedBasePaths", checkIfExcludedBasePaths(doc));
+				// 	console.log("includedFileNames", checkIfIncludedFileNames(doc));
+				// 	console.log("excludedFileNames", checkIfExcludedFileNames(doc));
+				// 	console.groupEnd();
+				// }
+
+				return isIncluded;
+			});
+
+		if (config.limit > 0) return sortedDocs.slice(0, config.limit);
+
+		return sortedDocs;
+	}
+
 	public waitingForCache(timeout: 20000): Promise<void> {
 		const timer = hrtime();
 

app/services/Sitemap.ts

@@ -0,0 +1,167 @@
+import { navigation } from "@/libs/navigation";
+import path from "node:path";
+import fs from "node:fs";
+
+const __dirname = path.resolve();
+
+const getBaseUrl = () => {
+	if (process.env.NODE_ENV === "production") {
+		return "https://memento-dev.fr";
+	}
+
+	return `http://localhost:${process.env.PORT || 3000}`;
+};
+
+type SitemapElement = {
+	location: string;
+	lastmod: string;
+	priority: string;
+};
+
+class Sitemap {
+	private readonly pagesPath = path.join(__dirname, "pages");
+	private readonly sitemapPath = path.join(__dirname, "public", "sitemap.xml");
+	private readonly lastModified = new Date().toISOString();
+	private readonly baseUrl = getBaseUrl();
+
+	private urls: SitemapElement[] = [];
+	private sitemap = "";
+
+	private static instance: Sitemap;
+
+	private constructor() {}
+
+	public static getInstance(): Sitemap {
+		if (!Sitemap.instance) {
+			Sitemap.instance = new Sitemap();
+		}
+		return Sitemap.instance;
+	}
+
+	private resetMemory(): void {
+		this.sitemap = "";
+		this.urls = [];
+	}
+
+	private prependSitemap(): void {
+		this.sitemap = `<?xml version="1.0" encoding="UTF-8"?>`;
+		this.sitemap += `<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">`;
+	}
+
+	private appendSitemap(): void {
+		this.sitemap += "</urlset>";
+	}
+
+	private addSitemapElement(url: SitemapElement): void {
+		this.sitemap += "<url>";
+		this.sitemap += `<loc>${url.location}</loc>`;
+		this.sitemap += `<lastmod>${url.lastmod || this.lastModified}</lastmod>`;
+		this.sitemap += `<priority>${url.priority}</priority>`;
+		this.sitemap += "</url>";
+	}
+
+	private buildSitemap(): void {
+		this.prependSitemap();
+		this.urls.forEach(this.addSitemapElement.bind(this));
+		this.appendSitemap();
+	}
+
+	private saveSitemap(): void {
+		fs.writeFileSync(this.sitemapPath, this.sitemap, "utf8");
+	}
+
+	private loadPriority(href: string): string {
+		const isRootUrl = ["/", ""].includes(href);
+
+		if (isRootUrl) return "1.0";
+		const countOfSlashes = (href.match(/\//g) || []).length;
+		return (1 - countOfSlashes * 0.1).toFixed(1);
+	}
+
+	private loadLastModified(stat?: fs.Stats): string {
+		return stat ? stat.mtime.toISOString() : this.lastModified;
+	}
+
+	private getFileServerLocation(href: string) {
+		if (href === "/") return path.join(this.pagesPath, "index", "+Page.mdx");
+		return path.join(this.pagesPath, href.replace("/", ""), "+Page.mdx");
+	}
+
+	private loadSubitems(
+		subitems: (typeof navigation)[number]["links"][number]["subitems"],
+	): void {
+		for (const subitem of subitems) {
+			const fileLocation = this.getFileServerLocation(subitem.href);
+			let fileDetails: fs.Stats | undefined;
+			try {
+				fileDetails = fs.statSync(fileLocation);
+			} catch (error) {
+				console.error(`Error loading file for ${subitem.href}:`, error);
+			}
+
+			const priority = this.loadPriority(subitem.href);
+			const lastmod = this.loadLastModified(fileDetails);
+			const location = `${this.baseUrl}${subitem.href}`;
+
+			this.urls.push({
+				location,
+				lastmod,
+				priority,
+			});
+		}
+	}
+
+	private loadSection(section: (typeof navigation)[number]): void {
+		for (const link of section.links) {
+			if (link.subitems.length > 0) {
+				this.loadSubitems(link.subitems);
+				return;
+			}
+
+			const fileLocation = this.getFileServerLocation(link.href);
+			let fileDetails: fs.Stats | undefined;
+
+			try {
+				fileDetails = fs.statSync(fileLocation);
+			} catch (error) {
+				console.error(`Error loading file for ${link.href}:`, error);
+			}
+
+			const priority = this.loadPriority(link.href);
+			const lastmod = this.loadLastModified(fileDetails);
+			const location = `${this.baseUrl}${link.href}`;
+
+			this.urls.push({
+				location,
+				lastmod,
+				priority,
+			});
+		}
+	}
+
+	private loadUrls(): void {
+		navigation.forEach(this.loadSection.bind(this));
+
+		this.urls = Array.from(new Set(this.urls)).sort((a, b) => {
+			return a.location.localeCompare(b.location);
+		});
+	}
+
+	public getSitemap(): string {
+		if (!this.sitemap) this.generateSitemap();
+		return this.sitemap;
+	}
+
+	public generateSitemap(): void {
+		console.log("Generating sitemap...");
+
+		this.resetMemory();
+		this.loadUrls();
+		this.buildSitemap();
+		this.saveSitemap();
+
+		console.log("Sitemap generated successfully.");
+	}
+}
+
+export const sitemap = Sitemap.getInstance();