update lighthouse todos

.env.example

@@ -1,4 +1,7 @@
+VITE_API_BASE_URL=
+VITE_MATOMO_URL=
+VITE_MATOMO_SITE_ID=
+
 DISCORD_CONTACT_WEBHOOK=
 DISCORD_ERROR_LOG_WEBHOOK=
 LICHESS_CLIENT_ID=
-VITE_API_BASE_URL=

TODO

@@ -1,15 +1,11 @@
 - og / json-sd
 - logger
-- bring sections headers on all pages other than home page further up (reduce top margin / padding)
 - set game current position on game load to ply 0 and whatever the FEN is (starting position probably, but could be custom position)
 - privacy policy - have no access to anything you generate, only keep a count of success/failed pdf generations with timestamp and error message
-- a11y and lighthouse fixes
-- check wcag compliance
-- 429 lichess error handling
-- add throw errors or return errors in server code
+- check wcag compliance - footer colour contrast
+- 429 lichess error handling - retry after 10 seconds
 - try/catch where needed in client code
 - generate state and check it against the state returned from lichess https://lichess.org/api#tag/oauth/GET/oauth
 - checkbox and toggle disabled states
-- 404 page
-- lichess data with zod validation
 - react query on for study and chapter load, to allow caching
+- https://specification.website/checklist/

src/components/AccordionItem.tsx

@@ -9,10 +9,7 @@ interface IProps {
 const AccordionItem = ({ title, id, children }: IProps) => (
 	<div className="hero__accordion-item">
 		<details className="hero__accordion-details" name="linked">
-			<summary
-				className="hero__accordion-item__summary"
-				aria-describedby={title}
-			>
+			<summary className="hero__accordion-item__summary" id={`${id}-summary`}>
 				<span className="hero__accordion-item__title-container">
 					<span className="hero__accordion-item__title">{title}</span>
 				</span>

src/components/CoffeeWidget.tsx

@@ -13,6 +13,7 @@ const CoffeeWidget = ({ height, width }: IProps) => {
 			target="_blank"
 			className="ml-auto flex items-center gap-2 text-sm"
 			rel="noopener"
+			aria-label="Buy Me A Coffee"
 		>
 			<Image
 				src={buyMeACoffeeLogo}

src/components/Feature.tsx

@@ -7,7 +7,7 @@ interface IProps {
 
 const Feature = ({ title, children }: IProps) => (
 	<div className="mb-auto">
-		<h6 className="text-(--neutral-content) text-2xl font-bold">{title}</h6>
+		<h5 className="text-(--neutral-content) text-2xl font-bold">{title}</h5>
 		<p className="text-(--neutral-content) font-medium" data-testid="text">
 			{children}
 		</p>

src/components/Footer.tsx

@@ -10,26 +10,26 @@ import footerLogo from "@/assets/images/footerLogo.svg?url";
 export default function Footer() {
 	return (
 		<footer className="text-white w-full grid-cols-2 items-center bg-(--accent) px-10 py-5">
-			<div className="flex w-full items-center">
-				<Link to="/">
+			<div className="flex w-full items-center gap-2">
+				<Link to="/" aria-label="Home">
 					<Image
 						src={footerLogo}
 						alt="ChessScribe Logo"
 						width={10}
 						height={10}
 						className="hidden h-10 w-10 sm:block"
+						aria-label="ChessScribe Logo"
 					/>
 				</Link>
 				<div>
-					<p data-testid="copyright">
-						Copyright © 2023 - {new Date().getFullYear()}
-					</p>
+					<p>© 2023 - {new Date().getFullYear()}</p>
 				</div>
 				<div className="ml-auto flex gap-2">
 					<a
 						href={GITHUB_URL}
 						target="_blank"
 						rel="noopener noreferrer"
+						aria-label="GitHub"
 						className="text-2xl hover:text-(--neutral-content) transition-colors duration-300 ease-in-out cursor-pointer"
 					>
 						<LuGithub />
@@ -38,6 +38,7 @@ export default function Footer() {
 					<Link
 						to="/contact"
 						rel="noopener noreferrer"
+						aria-label="Contact"
 						className="text-2xl hover:text-(--neutral-content) transition-colors duration-300 ease-in-out"
 					>
 						<LuMail />

src/components/LichessButton.tsx

@@ -6,7 +6,7 @@ const LichessButton = () => {
 	const { user } = useLichessUser();
 
 	const onClickHandler = () => {
-		return user?.isLoggedIn ? lichessLogout() : lichessLogin();
+		return user ? lichessLogout() : lichessLogin();
 	};
 
 	return (
@@ -26,9 +26,7 @@ const LichessButton = () => {
 				</svg>
 			</div>
 
-			<p>
-				{user?.isLoggedIn ? `Logout ${user.username}` : "Log into Lichess.org"}
-			</p>
+			<p>{user ? `Logout ${user.username}` : "Log into Lichess.org"}</p>
 		</button>
 	);
 };

src/components/MatomoAnalytics.tsx

@@ -1,9 +1,10 @@
 import { trackAppRouter } from "@socialgouv/matomo-next";
 import { useLocation, useSearch } from "@tanstack/react-router";
 import { useEffect } from "react";
+import { env } from "#/env.ts";
 
-const MATOMO_URL = import.meta.env.NEXT_PUBLIC_MATOMO_URL;
-const MATOMO_SITE_ID = import.meta.env.NEXT_PUBLIC_MATOMO_SITE_ID;
+const MATOMO_URL = env.VITE_MATOMO_URL;
+const MATOMO_SITE_ID = env.VITE_MATOMO_SITE_ID;
 
 export function MatomoAnalytics() {
 	const location = useLocation();

src/components/NotFoundView.tsx

@@ -0,0 +1,21 @@
+import { Link } from "@tanstack/react-router";
+
+const NotFoundView = () => {
+	return (
+		<div className="flex min-h-[calc(100vh-194px)] flex-col items-center justify-center p-6">
+			<div className="relative flex max-w-md flex-col items-center text-center">
+				<h1 className="text-2xl font-bold tracking-tight mb-4 text-(--accent)">
+					The page you are looking for does not exist.
+				</h1>
+
+				<div className="flex w-full gap-3 justify-center">
+					<Link to="/" className="btn btn-primary">
+						Go Home
+					</Link>
+				</div>
+			</div>
+		</div>
+	);
+};
+
+export default NotFoundView;

src/components/Section.tsx

@@ -14,7 +14,7 @@ const Section = ({ title, smallTitle, description, children }: IProps) => {
 
 	return (
 		<section className="mx-auto mt-8 grid max-w-5xl place-items-center gap-4 p-8 text-center md:grid-cols-3 md:text-left text-(--accent)">
-			<h3 className="col-span-full mb-4 text-center text-lg font-bold tracking-wider text-primary">
+			<h3 className="col-span-full mb-4 text-center text-2xl font-bold tracking-wider text-primary">
 				{smallTitle}
 			</h3>
 			<h4 className="col-span-full mb-4 text-center text-4xl font-extrabold text-(--neutral-content) md:text-5xl">

src/context/LichessUserContext.tsx

@@ -9,14 +9,10 @@ import {
 	useEffect,
 	useState,
 } from "react";
-
+import type { ISession } from "#/interfaces.ts";
 import { getSession } from "#/server/lichess.ts";
 
-interface ILichessUser {
-	username: string;
-	id: string;
-	isLoggedIn: boolean;
-}
+interface ILichessUser extends Omit<ISession, "token"> {}
 
 interface ILichessUserContextType {
 	user: ILichessUser | null;
@@ -38,7 +34,6 @@ export const LichessUserProvider = ({ children }: { children: ReactNode }) => {
 				setUser({
 					username: session.username,
 					id: session.id,
-					isLoggedIn: true,
 				});
 			}
 		})();

src/env.ts

@@ -2,6 +2,8 @@ import { z } from "zod";
 
 const clientSchema = z.object({
 	VITE_API_BASE_URL: z.string("Invalid API Base URL format"),
+	VITE_MATOMO_URL: z.string("Invalid URL format"),
+	VITE_MATOMO_SITE_ID: z.string("Invalid Site ID"),
 });
 
 const serverSchema = z.object({

src/hooks/useLichess.ts

@@ -1,6 +1,11 @@
 import { useServerFn } from "@tanstack/react-start";
 import { useEffect, useState } from "react";
 import { useLichessUser } from "#/context/LichessUserContext.tsx";
+import type {
+	ITokenData,
+	IUserStudy,
+	IUserStudyChapter,
+} from "#/interfaces.ts";
 import {
 	getSession,
 	getStudyChapters,
@@ -15,25 +20,6 @@ import { getHeaders } from "#/utils/pgnUtils.ts";
 
 type Status = "loading" | "success" | "error";
 
-interface ITokenData {
-	access_token: string;
-	expires_in: number;
-	token_type: string;
-}
-
-export type IUserStudy = {
-	id: string;
-	name: string;
-	createdAt: number;
-	updatedAt: number;
-};
-
-export interface IUserStudyChapter {
-	chapterId: string;
-	name: string;
-	pgn: string;
-}
-
 export const useLichess = () => {
 	const { user, setUser } = useLichessUser();
 	const [userStudies, setUserStudies] = useState<IUserStudy[]>([]);
@@ -65,7 +51,7 @@ export const useLichess = () => {
 		token: string;
 	}) => {
 		await setSessionFn({ data: { username, id, token } });
-		setUser({ username, id, isLoggedIn: true });
+		setUser({ username, id });
 	};
 
 	const getLichessUser = async ({ tokenData }: { tokenData: ITokenData }) => {

src/interfaces.ts

@@ -1,3 +1,22 @@
+import type { infer } from "zod";
+import type { SessionSchema, TokenResponseSchema } from "#/schemas.ts";
+
+export interface ISession extends infer<typeof SessionSchema> {}
+export interface ITokenData extends infer<typeof TokenResponseSchema> {}
+
+export interface IUserStudy {
+	id: string;
+	name: string;
+	createdAt: number;
+	updatedAt: number;
+}
+
+export interface IUserStudyChapter {
+	chapterId: string;
+	name: string;
+	pgn: string;
+}
+
 export interface IPosition {
 	ply: number;
 	fen: string;

src/routes/__root.tsx

@@ -6,6 +6,7 @@ import { ToastContainer } from "react-toastify";
 import GenericErrorView from "#/components/GenericErrorView.tsx";
 import LoadingView from "#/components/LoadingView.tsx";
 import { MatomoAnalytics } from "#/components/MatomoAnalytics.tsx";
+import NotFoundView from "#/components/NotFoundView.tsx";
 import { LichessUserProvider } from "#/context/LichessUserContext.tsx";
 import Footer from "../components/Footer";
 import Header from "../components/Header";
@@ -47,6 +48,7 @@ export const Route = createRootRoute({
 	shellComponent: RootDocument,
 	errorComponent: ({ error }) => <GenericErrorView error={error} />,
 	pendingComponent: () => <LoadingView />,
+	notFoundComponent: () => <NotFoundView />,
 });
 
 function RootDocument({ children }: { children: ReactNode }) {

src/schemas.ts

@@ -0,0 +1,19 @@
+import { z } from "zod";
+
+export const SessionSchema = z.object({
+	username: z.string(),
+	id: z.string(),
+	token: z.string(),
+});
+
+export const TokenResponseSchema = z.object({
+	access_token: z.string(),
+	expires_in: z.number(),
+	scope: z.string().optional(),
+	token_type: z.string(),
+});
+
+export const LichessAccountSchema = z.object({
+	id: z.string(),
+	username: z.string(),
+});

src/server/lichess.ts

@@ -6,8 +6,14 @@ import {
 	getCookie,
 	setCookie,
 } from "@tanstack/react-start/server";
+import { z } from "zod";
 import { env } from "#/env.ts";
 import { base64UrlEncode, sha256 } from "#/lib/encodeDecode.ts";
+import {
+	LichessAccountSchema,
+	SessionSchema,
+	TokenResponseSchema,
+} from "#/schemas.ts";
 
 const createVerifier = () => base64UrlEncode(randomBytes(32));
 const createChallenge = (verifier: string) => base64UrlEncode(sha256(verifier));
@@ -22,11 +28,8 @@ export const getSession = createServerFn({ method: "GET" }).handler(
 		const session = getCookie("lichess-session");
 		if (!session) return null;
 		try {
-			return JSON.parse(session) as {
-				username: string;
-				id: string;
-				token: string;
-			};
+			const parsed = SessionSchema.safeParse(JSON.parse(session));
+			return parsed.success ? parsed.data : null;
 		} catch {
 			return null;
 		}
@@ -34,25 +37,15 @@ export const getSession = createServerFn({ method: "GET" }).handler(
 );
 
 export const setSession = createServerFn({ method: "POST" })
-	.inputValidator(
-		(data: { username: string; id: string; token: string }) => data,
-	)
+	.inputValidator(SessionSchema)
 	.handler(async ({ data }) => {
-		setCookie(
-			"lichess-session",
-			JSON.stringify({
-				username: data.username,
-				id: data.id,
-				token: data.token,
-			}),
-			{
+		setCookie("lichess-session", JSON.stringify(data), {
 			path: "/",
 			httpOnly: true,
 			secure: process.env.NODE_ENV === "production",
 			sameSite: "lax",
 			maxAge: 60 * 60 * 24 * 7,
-			},
-		);
+		});
 
 		setCookie("lichess-oauth-verifier", "", {
 			path: "/",
@@ -66,12 +59,13 @@ export const setSession = createServerFn({ method: "POST" })
 	});
 
 export const getToken = createServerFn({ method: "POST" })
-	.inputValidator((data: { code: string }) => data)
+	.inputValidator(z.object({ code: z.string() }))
 	.handler(async ({ data }) => {
 		const verifier = getCookie("lichess-oauth-verifier");
 
-		if (!verifier)
+		if (!verifier) {
 			throw new Error("OAuth session expired. Please login again.");
+		}
 
 		const response = await fetch("https://lichess.org/api/token", {
 			method: "POST",
@@ -87,14 +81,16 @@ export const getToken = createServerFn({ method: "POST" })
 			}),
 		});
 
-		if (!response.ok)
+		if (!response.ok) {
 			throw new Error(`Token exchange failed: ${await response.text()}`);
+		}
 
-		return response.json();
+		const json = await response.json();
+		return TokenResponseSchema.parse(json);
 	});
 
-export const getUser = createServerFn({ method: "GET" })
-	.inputValidator((data: { access_token: string }) => data)
+export const getUser = createServerFn({ method: "POST" })
+	.inputValidator(z.object({ access_token: z.string() }))
 	.handler(async ({ data }) => {
 		const response = await fetch("https://lichess.org/api/account", {
 			headers: {
@@ -102,7 +98,10 @@ export const getUser = createServerFn({ method: "GET" })
 			},
 		});
 
-		return response.json();
+		if (!response.ok) throw new Error("Failed to fetch Lichess account");
+
+		const json = await response.json();
+		return LichessAccountSchema.parse(json);
 	});
 
 const deleteAccessToken = createServerFn().handler(async () => {

vite.config.ts

@@ -19,6 +19,14 @@ const config = defineConfig({
 				enabled: true,
 				crawlLinks: true,
 			},
+			pages: [
+				{
+					path: "/callback",
+					prerender: {
+						enabled: false,
+					},
+				},
+			],
 			sitemap: {
 				enabled: true,
 				host: HOST_URL,