tighten/novapackages

{
    //
    "require": {
        "php": "^7.4",
        //
        "laravel/socialite": "^5.2"
    },
    //
}

use Illuminate\Support\Facades\Route;

//
Route::get('login/github', 'Auth\LoginController@redirectToProvider')->name('login');
Route::get('login/github/callback', 'Auth\LoginController@handleProviderCallback');
//

use App\Events\NewUserSignedUp;
use App\Http\Controllers\Controller;
use App\User;
use Illuminate\Foundation\Auth\AuthenticatesUsers;
use Illuminate\Support\Facades\Auth;
use Laravel\Socialite\Facades\Socialite;

class LoginController extends Controller
{
    //
    public function redirectToProvider()
    {
        session()->flash('url.intended', url()->previous());

        return Socialite::driver('github')->redirect();
    }

    public function handleProviderCallback()
    {
        $user = $this->createOrUpdateUser(Socialite::driver('github')->user());

        if ($user->wasRecentlyCreated) {
            event(new NewUserSignedUp($user));
        }

        Auth::login($user, false);

        return redirect()->intended();
    }

    private function createOrUpdateUser($socialiteUser)
    {
        if (is_null($user = User::forSocialiteUser($socialiteUser))) {
            return User::create($this->socialiteUserAttributes($socialiteUser));
        }

        $user->update($this->socialiteUserAttributes($socialiteUser));

        return $user;
    }

    private function socialiteUserAttributes($socialiteUser)
    {
        return [
            'name' => $socialiteUser->getName() ?: $socialiteUser->getNickname(),
            'email' => $socialiteUser->getEmail(),
            'avatar' => $socialiteUser->getAvatar(),
            'github_username' => $socialiteUser->getNickname(),
            'github_user_id' => $socialiteUser->getId(),
        ];
    }
}