laravel:form-requests

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• SKILL.md

SKILL.md (first lines)

# Form Requests and Validation

Promote validation and authorization to dedicated Form Request classes. Keep controllers focused on orchestration and domain intents.

## Commands

```
# Create a request
sail artisan make:request UpdateProfileRequest      # or: php artisan make:request UpdateProfileRequest

# Use in controller method signature
public function update(UpdateProfileRequest $request) {
    $data = $request->validated();
    // ...
}
```

## Patterns

- Define `authorize()` to gate access; prefer Policies for complex checks
- Use rule objects: `Rule::unique('users', 'email')->ignore($user->id)`
- Validate nested arrays: `items.*.sku`, `addresses.home.city`
- Prefer `nullable` + specific rules instead of `sometimes` for optional fields
- Standardize attribute names / messages via `attributes()` and `messages()`
- Centralize common rules in custom `Rule` classes or traits
- Return `$request->safe()->only([...])` when partial updates are intended

## Laravel 13+

```php
// Strict mode: reject undeclared input fields
use Illuminate\Foundation\Http\Attributes\FailOnUnknownFields;

#[FailOnUnknownFields]
class StoreUserRequest extends FormRequest { /* ... */ }

// Or globally (AppServiceProvider) — strict in non-production
FormRequest::failOnUnknownFields(! app()->isProduction());

// Validate arbitrary JSON payloads against a schema
use Illuminate\JsonSchema\Types\Type;

$request->validate([
    'data' => [Rule::jsonSchema(Type::object([
        'name' => Type::string()->required(),
        'age'  => Type::integer()->min(0),
    ]))],
]);

// Typed enum handling for optional input
$request->whenFilledEnum('status', Status::class, fn (Status $status) => /* ... */);
```

- Enable strict mode in dev/CI to catch typos and payload drift early; keep production lenient unless the API contract is strict

## Testing

- Feature test the endpoint: assert validation errors and success flows
- Unit test custom validators and rule objects in isolation

From jpcaparas/superpowers-laravel, MIT.

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