[ Package conformance ]
Analytics · >=5.0.0
react-native-performance
real implementation — delegates to browser performance.now/mark/measure/getEntries APIs80%
API coverage
No visual conformance cases have been published for this package yet. The registry summary below describes what the compat layer implements.
Working (9)
now()mark()measure()getEntries()getEntriesByName()getEntriesByType()clearMarks()clearMeasures()PerformanceObserver uses native globalThis.PerformanceObserver
Missing (4)
RN-native startup timing metrics (bundle loadJS thread init)NativePerformance moduleonPerformanceEntry callback; observe() falls back to noop if native PerformanceObserver unavailable