portfolio_v2/app/error.tsx

"use client";

import { useEffect, useRef } from "react";
import Link from "next/link";
import gsap from "gsap";

export default function RouteError({
  error,
  retry,
}: {
  error: Error & { digest?: string };
  retry: () => void;
}) {
  const root = useRef<HTMLElement>(null);

  useEffect(() => {
    console.error(error);
  }, [error]);

  useEffect(() => {
    const reduce = window.matchMedia("(prefers-reduced-motion: reduce)").matches;
    if (reduce) return;

    const ctx = gsap.context(() => {
      gsap.set("[data-fade]", { autoAlpha: 0, y: 14 });

      gsap
        .timeline({ defaults: { ease: "power3.out" } })
        .from("[data-icon]", { autoAlpha: 0, scale: 0.6, duration: 0.4, ease: "back.out(2)" })
        .to("[data-icon]", {
          keyframes: { rotate: [0, -9, 8, -6, 4, 0] },
          duration: 0.55,
          ease: "power1.inOut",
        })
        .to("[data-fade]", { autoAlpha: 1, y: 0, duration: 0.5, stagger: 0.08 }, "-=0.3")
        .to("[data-icon]", {
          scale: 1.05,
          duration: 1.6,
          ease: "sine.inOut",
          repeat: -1,
          yoyo: true,
        });
    }, root);

    return () => ctx.revert();
  }, []);

  return (
    <main
      ref={root}
      className="flex min-h-screen flex-col items-center justify-center gap-6 px-6 text-center"
    >
      <svg
        data-icon
        viewBox="0 0 24 24"
        className="size-20 text-danger"
        fill="none"
        stroke="currentColor"
        strokeWidth="1.75"
        strokeLinecap="round"
        strokeLinejoin="round"
        aria-hidden="true"
      >
        <path d="M10.29 3.86 1.82 18a2 2 0 0 0 1.71 3h16.94a2 2 0 0 0 1.71-3L13.71 3.86a2 2 0 0 0-3.42 0Z" />
        <line x1="12" y1="9" x2="12" y2="13" />
        <line x1="12" y1="17" x2="12.01" y2="17" />
      </svg>

      <div data-fade className="space-y-2">
        <h1 className="text-2xl font-semibold">Quelque chose a planté</h1>
        <p className="max-w-[46ch] text-muted">
          Une erreur inattendue s&apos;est produite pendant le rendu de cette
          page.
        </p>
      </div>

      <div data-fade className="flex flex-wrap justify-center gap-3">
        <button
          type="button"
          onClick={() => retry()}
          className="rounded-md border border-line bg-surface px-4 py-2 text-sm font-semibold hover:border-muted"
        >
          Réessayer
        </button>
        <Link
          href="/"
          className="rounded-md border border-line px-4 py-2 text-sm font-semibold text-accent hover:border-muted"
        >
          Retour à l&apos;accueil
        </Link>
      </div>

      {error.digest && (
        <p data-fade className="font-mono text-xs text-muted">
          ref: {error.digest}
        </p>
      )}
    </main>
  );
}