chore(example): enhance typings

Author: hyochan

example-expo/app/available-purchases.tsx

@@ -435,8 +435,7 @@ export default function AvailablePurchases() {
               >
                 {(() => {
                   if (!selectedPurchase) return '';
-                  const {purchaseToken, transactionReceipt, ...safe} =
-                    (selectedPurchase || {}) as any;
+                  const {purchaseToken, ...safe} = selectedPurchase || {};
                   return JSON.stringify(safe, null, 2);
                 })()}
               </Text>
@@ -454,8 +453,7 @@ export default function AvailablePurchases() {
                 style={[styles.button, {flex: 1}]}
                 onPress={() => {
                   if (!selectedPurchase) return;
-                  const {purchaseToken, transactionReceipt, ...safe} =
-                    (selectedPurchase || {}) as any;
+                  const {purchaseToken, ...safe} = selectedPurchase || {};
                   Clipboard.setString(JSON.stringify(safe, null, 2));
                   Alert.alert('Copied', 'Purchase JSON copied to clipboard');
                 }}

example-expo/app/purchase-flow.tsx

@@ -509,7 +509,7 @@ function PurchaseFlowContainer() {
     getAvailablePurchases,
   } = useIAP({
     onPurchaseSuccess: async (purchase: Purchase) => {
-      const {purchaseToken: tokenToMask, ...rest} = purchase as any;
+      const {purchaseToken: tokenToMask, ...rest} = purchase;
       const masked = {
         ...rest,
         ...(tokenToMask ? {purchaseToken: 'hidden'} : {}),

example-expo/app/subscription-flow.tsx

@@ -23,6 +23,7 @@ import {
   type ProductSubscription,
   type Purchase,
   type PurchaseError,
+  ErrorCode,
 } from 'react-native-iap';
 import Loading from '../components/Loading';
 import {SUBSCRIPTION_PRODUCT_IDS} from '../constants/products';
@@ -567,8 +568,7 @@ function SubscriptionFlowContainer() {
     getActiveSubscriptions,
   } = useIAP({
     onPurchaseSuccess: async (purchase: Purchase) => {
-      const {purchaseToken, transactionReceipt, ...safePurchase} =
-        (purchase as any) || {};
+      const {purchaseToken, ...safePurchase} = purchase || {};
       console.log('Purchase successful (redacted):', safePurchase);
       lastSuccessAtRef.current = Date.now();
       setLastPurchase(purchase);
@@ -630,7 +630,7 @@ function SubscriptionFlowContainer() {
       console.error('Subscription failed:', error);
       setIsProcessing(false);
       const dt = Date.now() - lastSuccessAtRef.current;
-      if ((error as any)?.code === 'E_SERVICE_ERROR' && dt >= 0 && dt < 1500) {
+      if (error?.code === ErrorCode.ServiceError && dt >= 0 && dt < 1500) {
         return;
       }
 

example/__tests__/screens/PurchaseFlow.test.tsx

@@ -99,7 +99,7 @@ describe('PurchaseFlow Screen', () => {
     const {getAllByText} = render(<PurchaseFlow />);
 
     const purchaseButtons = getAllByText('Purchase');
-    fireEvent.press(purchaseButtons[0]);
+    fireEvent.press(purchaseButtons[0]!);
 
     expect(requestPurchaseMock).toHaveBeenCalledWith({
       request: {
@@ -123,7 +123,7 @@ describe('PurchaseFlow Screen', () => {
     const {getByText} = render(<PurchaseFlow />);
 
     const refreshButton = getByText('Refresh available purchases');
-    fireEvent.press(refreshButton);
+    fireEvent.press(refreshButton!);
 
     await waitFor(() => {
       expect(getAvailablePurchases).toHaveBeenCalledTimes(2);

example/screens/AvailablePurchases.tsx

@@ -431,8 +431,7 @@ export default function AvailablePurchases() {
               >
                 {(() => {
                   if (!selectedPurchase) return '';
-                  const {purchaseToken, transactionReceipt, ...safe} =
-                    (selectedPurchase || {}) as any;
+                  const {purchaseToken, ...safe} = selectedPurchase || {};
                   return JSON.stringify(safe, null, 2);
                 })()}
               </Text>
@@ -450,8 +449,7 @@ export default function AvailablePurchases() {
                 style={[styles.button, {flex: 1}]}
                 onPress={() => {
                   if (!selectedPurchase) return;
-                  const {purchaseToken, transactionReceipt, ...safe} =
-                    (selectedPurchase || {}) as any;
+                  const {purchaseToken, ...safe} = selectedPurchase || {};
                   Clipboard.setString(JSON.stringify(safe, null, 2));
                   Alert.alert('Copied', 'Purchase JSON copied to clipboard');
                 }}

example/screens/PurchaseFlow.tsx

@@ -505,7 +505,7 @@ function PurchaseFlowContainer() {
     getAvailablePurchases,
   } = useIAP({
     onPurchaseSuccess: async (purchase: Purchase) => {
-      const {purchaseToken: tokenToMask, ...rest} = purchase as any;
+      const {purchaseToken: tokenToMask, ...rest} = purchase;
       const masked = {
         ...rest,
         ...(tokenToMask ? {purchaseToken: 'hidden'} : {}),

example/screens/SubscriptionFlow.tsx

@@ -19,6 +19,7 @@ import {
   type ProductSubscription,
   type Purchase,
   type PurchaseError,
+  ErrorCode,
 } from 'react-native-iap';
 import Loading from '../src/components/Loading';
 import {SUBSCRIPTION_PRODUCT_IDS} from '../src/utils/constants';
@@ -563,8 +564,7 @@ function SubscriptionFlowContainer() {
     getActiveSubscriptions,
   } = useIAP({
     onPurchaseSuccess: async (purchase: Purchase) => {
-      const {purchaseToken, transactionReceipt, ...safePurchase} =
-        (purchase as any) || {};
+      const {purchaseToken, ...safePurchase} = purchase || {};
       console.log('Purchase successful (redacted):', safePurchase);
       lastSuccessAtRef.current = Date.now();
       setLastPurchase(purchase);
@@ -626,7 +626,7 @@ function SubscriptionFlowContainer() {
       console.error('Subscription failed:', error);
       setIsProcessing(false);
       const dt = Date.now() - lastSuccessAtRef.current;
-      if ((error as any)?.code === 'E_SERVICE_ERROR' && dt >= 0 && dt < 1500) {
+      if (error?.code === ErrorCode.ServiceError && dt >= 0 && dt < 1500) {
         return;
       }