Laravel12 例外処理

class Handler extends ExceptionHandler
{
    public function register(): void
    {
        $this->reportable(function (Throwable $e) {
            // ログ・Sentry通知など
        });

        $this->renderable(function (ModelNotFoundException $e, $request) {
            return response()->view('errors.404', [], 404);
        });
    }
}

use Illuminate\Foundation\Configuration\Exceptions;

return Application::configure(basePath: dirname(__DIR__))
    ->withExceptions(function (Exceptions $exceptions) {
        // ログ出力
        $exceptions->report(function (Throwable $e) {
            // Slack通知やSentry送信
        });

        // レンダリング
        $exceptions->render(function (ModelNotFoundException $e, $request) {
            return response()->json([
                'message' => 'Resource not found',
            ], 404);
        });
    })
    ->create();

    /**
     * Register and configure the application's exception handler.
     *
     * @param  callable|null  $using
     * @return $this
     */
    public function withExceptions(?callable $using = null)
    {
        $this->app->singleton(
            \Illuminate\Contracts\Debug\ExceptionHandler::class,
            \Illuminate\Foundation\Exceptions\Handler::class
        );

        $using ??= fn () => true;

        $this->app->afterResolving(
            \Illuminate\Foundation\Exceptions\Handler::class,
            fn ($handler) => $using(new Exceptions($handler)),
        );

        return $this;
    }

$app->singleton(
    Illuminate\Contracts\Debug\ExceptionHandler::class,
    App\Exceptions\Handler::class
);