Proof

react-native-performance

published JavaScript runs unchanged over the lazily registered RNPerformanceManager event boundary
80%
API coverage
No visual proof cases have been published for this package yet. The registry summary below describes what the compat layer implements.
Working (5)
published performance entry classes and toJSONmark/measure/metric clocks and cleanupPerformanceObserver buffering and frame deliveryXHR resource logger enable/disable and controlled completion conversionnative mark and metric event projection
Missing
native startup timing and bundle-size producers are not connected; real network resource-entry collection is unproved; no RN startup timestamps are synthesized from JavaScript clocks