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Fix Errors.test.tsx failing with Reanimated 4.6.0 #4474

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m-bert merged 1 commit into from
Aug 26, 2026
+22 −0
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Fix Errors.test.tsx failing with Reanimated 4.6.0 #4474

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22 changes: 22 additions & 0 deletions packages/react-native-gesture-handler/src/__tests__/Errors.test.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -12,9 +12,31 @@
import { VirtualDetector } from '../v3/detectors/VirtualDetector/VirtualDetector';

jest.mock('react-native-worklets', () =>
require('react-native-worklets/src/mock')

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Unsafe return of an `any` typed value
);

// Reanimated 4.6.0 throws on import under Jest (`setCSSEventHandler` is not
// available in JSReanimated), which reanimatedWrapper silently turns into
// `Reanimated = undefined`. Mock the wrapper so gestures with worklet
// callbacks still take the Reanimated detector path these tests rely on.
//
// TODO: Remove after fixed in Reanimated
jest.mock('../handlers/gestures/reanimatedWrapper', () => ({
Comment on lines +18 to +24
Reanimated: {
useHandler: jest.fn(() => ({
doDependenciesDiffer: false,
context: { lastUpdateEvent: undefined },
})),
useEvent: jest.fn(() => jest.fn()),
useComposedEventHandler: jest.fn(() => jest.fn()),
isSharedValue: (value: unknown): boolean =>
value !== null && typeof value === 'object' && 'value' in value,
useSharedValue: <T,>(value: T) => ({ value }),

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If your function doesn't call any Hooks, avoid the 'use' prefix. Instead, write it as a regular function without the 'use' prefix

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If your function doesn't call any Hooks, avoid the 'use' prefix. Instead, write it as a regular function without the 'use' prefix
setGestureState: jest.fn(),
},
Worklets: undefined,
}));

beforeEach(() => cleanup());
jest.mock('react-native/Libraries/ReactNative/RendererProxy', () => ({
findNodeHandle: jest.fn(),
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