extractCustomComponentValue function presentation exported

export function extractCustomComponentValue(field: FormField): string | null {
  const adapterName = field.adapterName as AdapterName | undefined;
  if (!adapterName) return null;

  const adapter = getAdapter(adapterName);
  if (!adapter) return null;

  // Try adapter-provided extractor first
  if (typeof adapter.extractValue === "function") {
    try {
      const result = adapter.extractValue(field.element as HTMLElement);
      if (result !== null && result !== undefined) return result;
    } catch (err) {
      log.warn(
        `[${adapter.name}] Erro ao extrair valor do campo ${field.selector}:`,
        err,
      );
      // fallthrough to generic fallback
    }
  }

  // Generic fallback: look for a native input/select/textarea inside the wrapper.
  const native = field.element.querySelector<
    HTMLInputElement | HTMLTextAreaElement | HTMLSelectElement
  >("input,textarea,select");
  if (native) {
    if (native instanceof HTMLSelectElement) return native.value;
    if (native instanceof HTMLInputElement) {
      if (native.type === "checkbox" || native.type === "radio") {
        return native.checked ? "true" : "false";
      }
      return native.value;
    }
    return native.value;
  }

  return null;
}