deps: patch view-shot for RN 0.84

patches/index.mjs

@@ -6,6 +6,7 @@ import { patchJcenter } from './patch-jcenter.mjs';
 import { patchNativeEventEmitter } from './patch-native-event-emitter.mjs';
 import { patchReactNativeNotifications } from './patch-react-native-notifications.mjs';
 import { patchNobleHashes } from './patch-noble-hashes.mjs';
+import { patchViewShot } from './patch-view-shot.mjs';
 
 console.log('Running postinstall patches...\n');
 
@@ -15,6 +16,7 @@ console.log('Running postinstall patches...\n');
     patchNativeEventEmitter();
     patchReactNativeNotifications();
     patchNobleHashes();
+    patchViewShot();
 
     console.log('\nAll patches applied successfully.');
 })();

patches/patch-view-shot.mjs

@@ -0,0 +1,73 @@
+// Patch react-native-view-shot for RN 0.84 Fabric compatibility.
+// RCTScrollView was removed in RN 0.84; use RCTScrollViewComponentView on
+// Fabric builds instead.
+// Based on https://github.com/gre/react-native-view-shot/pull/584
+// Can be removed once react-native-view-shot ships a release with this fix.
+
+import fs from 'fs';
+
+export function patchViewShot() {
+    console.log('Patching react-native-view-shot (RN 0.84 Fabric compat)');
+
+    const filePath =
+        './node_modules/react-native-view-shot/ios/RNViewShot.mm';
+
+    if (!fs.existsSync(filePath)) {
+        console.log('  - Skipping: RNViewShot.mm not found');
+        return;
+    }
+
+    let content = fs.readFileSync(filePath, 'utf8');
+
+    // 1. Add the Fabric/legacy scroll view typedef after the existing #ifdef block
+    const importAnchor = `#ifdef RCT_NEW_ARCH_ENABLED
+#import <rnviewshot/rnviewshot.h>
+#endif`;
+
+    const importReplacement = `#ifdef RCT_NEW_ARCH_ENABLED
+#import <rnviewshot/rnviewshot.h>
+#endif
+
+#if __has_include(<React/RCTScrollViewComponentView.h>)
+
+  // Fabric available
+  #import <React/RCTScrollViewComponentView.h>
+  typedef RCTScrollViewComponentView RNSnapshotScrollViewHost;
+
+#else
+
+  // Fallback to legacy
+  #import <React/RCTScrollView.h>
+  typedef RCTScrollView RNSnapshotScrollViewHost;
+
+#endif`;
+
+    if (!content.includes('RNSnapshotScrollViewHost')) {
+        content = content.replace(importAnchor, importReplacement);
+    }
+
+    // 2. Remove the now-unnecessary standalone RCTScrollView import
+    content = content.replace('#import <React/RCTScrollView.h>\n', '');
+
+    // 3. Replace RCTScrollView usage in snapshotContentContainer logic
+    content = content.replace(
+        `if (![view isKindOfClass:[RCTScrollView class]]) {
+        reject(RCTErrorUnspecified, [NSString stringWithFormat:@"snapshotContentContainer can only be used on a RCTScrollView. instead got: %@", view], nil);
+        return;
+      }
+      RCTScrollView* rctScrollView = view;
+      scrollView = rctScrollView.scrollView;`,
+        `if (![view isKindOfClass:[RNSnapshotScrollViewHost class]]) {
+        reject(RCTErrorUnspecified,
+               [NSString stringWithFormat:@"snapshotContentContainer can only be used on a ScrollView host. instead got: %@", view],
+               nil);
+        return;
+      }
+
+      RNSnapshotScrollViewHost *host = (RNSnapshotScrollViewHost *)view;
+      UIScrollView *scrollView = host.scrollView;`
+    );
+
+    fs.writeFileSync(filePath, content);
+    console.log('  - Patched RNViewShot.mm');
+}