IBX-10471: [Inputs] Inputs Validators Base

[GrabowskiM]

🎫 Issue	IBX-10471

Description:

For QA:

Documentation:

[Copilot]

Pull Request Overview

This PR introduces a base validation system for inputs with a validator manager and concrete validator implementations. The system provides a foundation for input validation with extensible validator classes.

Key changes:

• Introduces a BaseValidator abstract class as the foundation for all validators
• Implements ValidatorManager to handle collections of validators and coordinate validation
• Adds IsEmptyStringValidator as a concrete validator implementation

Reviewed Changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated 3 comments.

File	Description
BaseValidator.ts	Abstract base class defining the validator interface
ValidatorManager.ts	Manager class for handling collections of validators and orchestrating validation
IsEmptyStringValidator.ts	Concrete validator implementation for empty string validation

[tischsoic]

The same reasoning as in: ibexa/design-system#14 (comment)

Suggested change

	export interface ValidateReturnType {
	export interface ValidationResult {

[tischsoic]

same suggestion as in: https://github.com/ibexa/design-system/pull/14/files#r2287934977

[tischsoic]

Why underscore? 🤔

Suggested change

	abstract validate(_value: T): boolean;
	abstract validate(value: T): boolean;