Laravel validation

Skill noppu-labs/ai-toolkit/laravel/skills/laravel-validation

Toolkit for agentic development of Laravel & React apps

Install

npx -y skills add noppu-labs/ai-toolkit --skill laravel-validation

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Form request validation and comprehensive validation testing. Use when creating or modifying form requests, validation rules, or validation tests.

SKILL.md

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Laravel Validation

Form requests as single source of truth for validation, with comprehensive testing patterns.

Core Concepts

form-requests.md - Validation rules:

Array-based validation rules
Custom validation rules
Conditional validation
Custom error messages
DTO transformation via toDto()

validation-testing.md - Validation testing:

RequestDataProviderItem helper
Pest datasets for systematic testing
Built-in helper methods (string, email, number, date, array, boolean)
Presence testing with absent() (for present / sometimes / missing rules)
Nested array testing
Conditional validation testing
Real-world examples

Pattern

final class CreateOrderRequest extends FormRequest
{
    public function rules(): array
    {
        return [
            'user_id' => ['required', 'integer', 'exists:users,id'],
            'items' => ['required', 'array', 'min:1'],
            'items.*.product_id' => ['required', 'integer'],
            'items.*.quantity' => ['required', 'integer', 'min:1'],
        ];
    }

    public function toDto(): CreateOrderDto
    {
        return CreateOrderDto::from($this->validated());
    }
}