{"record":{"id":"ce9461b85ba77be7","repo":"facebook/react","slug":"measureclonedinstance-is-not-implemented","errorCode":null,"errorMessage":"measureClonedInstance is not implemented","messagePattern":"measureClonedInstance is not implemented","errorType":"console","errorClass":null,"httpStatus":null,"severity":"error","filePath":"packages/react-native-renderer/src/ReactFiberConfigFabricWithViewTransition.js","lineNumber":130,"sourceCode":"    console.warn('measureInstance is not implemented');\n  }\n  return {\n    rect: {\n      x: 0,\n      y: 0,\n      width: 0,\n      height: 0,\n    },\n    abs: false,\n    clip: false,\n    // TODO: properly calculate whether instance is in viewport\n    view: true,\n  };\n}\n\nexport function measureClonedInstance(instance: Instance): InstanceMeasurement {\n  if (__DEV__) {\n    console.warn('measureClonedInstance is not implemented');\n  }\n  return {\n    rect: {x: 0, y: 0, width: 0, height: 0},\n    abs: false,\n    clip: false,\n    view: true,\n  };\n}\n\nexport function wasInstanceInViewport(\n  measurement: InstanceMeasurement,\n): boolean {\n  return measurement.view;\n}\n\nexport function hasInstanceChanged(\n  oldMeasurement: InstanceMeasurement,\n  newMeasurement: InstanceMeasurement,","sourceCodeStart":112,"sourceCodeEnd":148,"githubUrl":"https://github.com/facebook/react/blob/eafeac097ba51e1eab809c07102126bd5f8e5425/packages/react-native-renderer/src/ReactFiberConfigFabricWithViewTransition.js#L112-L148","documentation":"Error \"measureClonedInstance is not implemented\" thrown in facebook/react.","triggerScenarios":"Thrown at packages/react-native-renderer/src/ReactFiberConfigFabricWithViewTransition.js:130 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":[],"exampleFix":null,"handlingStrategy":null,"validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"eafeac097ba51e1eab809c07102126bd5f8e5425","analyzedAt":"2026-08-21T22:01:08.818Z","schemaVersion":2},"datasetVersion":"2026-08-21T23:17:16.201Z"}