Laravel Jetstream Login with Username + Email

//app/Providers/FortifyServiceProvider.php
<?php
namespace App\Providers;

use App\Actions\Fortify\CreateNewUser;
use App\Actions\Fortify\ResetUserPassword;
use App\Actions\Fortify\UpdateUserPassword;
use App\Actions\Fortify\UpdateUserProfileInformation;
use Illuminate\Support\ServiceProvider;
use Laravel\Fortify\Fortify;
use Laravel\Fortify\Http\Requests\LoginRequest;
use App\Models\User;
use Hash;

class FortifyServiceProvider extends ServiceProvider
{
    /**
     * Register any application services.
     *
     * @return void
     */
    public function register()
    {

    }
    /**
     * Bootstrap any application services.
     *
     * @return void
     */
    public function boot()
    {
        Fortify::createUsersUsing(CreateNewUser::class);
        Fortify::updateUserProfileInformationUsing(UpdateUserProfileInformation::class);
        Fortify::updateUserPasswordsUsing(UpdateUserPassword::class);
        Fortify::resetUserPasswordsUsing(ResetUserPassword::class);

        Fortify::authenticateUsing(function (LoginRequest $request) {
            $user = User::where('email', $request->identity)
                ->orWhere('username', $request->identity)->first();

            if (
                $user &&
                Hash::check($request->password, $user->password)
            ) {
                return $user;
            }
        });
    }
}

//config/fortify.php
'username' => 'email',
//change to  
'username' => 'identity',

//resources/views/auth/login.blade.php
<x-guest-layout>
    <x-jet-authentication-card>
        <x-slot name="logo">
            <x-jet-authentication-card-logo />
        </x-slot>

        <x-jet-validation-errors class="mb-4" />

        @if (session('status'))
            <div class="mb-4 font-medium text-sm text-green-600">
                {{ session('status') }}
            </div>
        @endif

        <form method="POST" action="{{ route('login') }}">
            @csrf

            <div>
                <x-jet-label value="{{ __('Username/Email') }}" />
                <x-jet-input class="block mt-1 w-full" type="text" name="identity" :value="old('email')" required autofocus />
            </div>

            <div class="mt-4">
                <x-jet-label value="{{ __('Password') }}" />
                <x-jet-input class="block mt-1 w-full" type="password" name="password" required autocomplete="current-password" />
            </div>

            <div class="block mt-4">
                <label class="flex items-center">
                    <input type="checkbox" class="form-checkbox" name="remember">
                    <span class="ml-2 text-sm text-gray-600">{{ __('Remember me') }}</span>
                </label>
            </div>

            <div class="flex items-center justify-end mt-4">
                @if (Route::has('password.request'))
                    <a class="underline text-sm text-gray-600 hover:text-gray-900" href="{{ route('password.request') }}">
                        {{ __('Forgot your password?') }}
                    </a>
                @endif

                <x-jet-button class="ml-4">
                    {{ __('Login') }}
                </x-jet-button>
            </div>
        </form>
    </x-jet-authentication-card>
</x-guest-layout>

未經測試，單純先行記錄 因為我自己原有的JetstreamServiceProvider.php中boot() 已更改了，與此篇有衝突。所以沒深入測試，看了一下大致是沒有問題的