Function getFirstBoundElement

packages/forms/signals/src/field/validation.ts:416–427

(error: ValidationError.WithFieldTree)

}

function getFirstBoundElement(error: ValidationError.WithFieldTree) {
  if (error.formField) return error.formField.element;
  return error
    .fieldTree()
    .formFieldBindings()
    .reduce<HTMLElement | undefined>((el: HTMLElement | undefined, binding) => {
      if (!el || !binding.element) return el ?? binding.element;
      return el.compareDocumentPosition(binding.element) & Node.DOCUMENT_POSITION_PRECEDING
        ? binding.element
        : el;
    }, undefined);
}

/**
 * Compares the position of two validation errors by the position of their corresponding field