[Jan 2026] Migration guide. Capacitor 1.

try {
  // Old method returned only Map<string, Entitlement>
  const entitlements = await Qonversion.getSharedInstance().purchaseProduct(product, purchaseOptions);
  
  // Check for entitlement
  const premiumEntitlement = entitlements.get('premium');
  if (premiumEntitlement?.isActive) {
    console.log('Purchase successful! Premium access granted.');
  }
} catch (error) {
  // All errors, including user cancellation, were handled via catch
  if (error.code === QonversionErrorCode.CanceledPurchase) {
    console.log('User canceled the purchase');
  } else {
    console.error('Purchase failed:', error.message);
  }
}