feat: useIap hook

[hyochan]

Port https://github.com/hyochan/react-native-iap/blob/main/src/hooks/useIAP.ts

[github-actions]

Risk Level 2 - /home/runner/work/expo-iap/expo-iap/src/useIap.ts

1. The useIAP hook is well-structured, but the finishTransaction function is recursively calling itself, which could lead to a stack overflow. Consider renaming the imported finishTransaction to avoid this conflict.

Example:

import { finishTransaction as finishTransactionModule } from './';

const finishTransaction = useCallback(
  async ({ purchase, isConsumable, developerPayloadAndroid }) => {
    try {
      return await finishTransactionModule({
        purchase,
        isConsumable,
        developerPayloadAndroid,
      });
    } catch (err) {
      throw err;
    } finally {
      if (purchase.productId === currentPurchase?.productId) {
        setCurrentPurchase(undefined);
      }

      if (purchase.productId === currentPurchaseError?.productId) {
        setCurrentPurchaseError(undefined);
      }
    }
  },
  [currentPurchase?.productId, currentPurchaseError?.productId, setCurrentPurchase, setCurrentPurchaseError],
);

2. Ensure that all subscriptions are properly cleaned up in the useEffect cleanup function to prevent memory leaks.

---

🔄🛠️🧹

---

Powered by Code Review GPT