/** * Copyright (c) Meta Platforms, Inc. and affiliates. * * This source code is licensed under the MIT license found in the * LICENSE file in the root directory of this source tree. * * @flow strict * @format */ import type {TurboModule} from '../TurboModule/RCTExport'; import * as TurboModuleRegistry from '../TurboModule/TurboModuleRegistry'; export const RawPerformanceEntryTypeValues = { UNDEFINED: 0, MARK: 1, }; export type RawPerformanceEntryType = number; export type RawPerformanceEntry = {| name: string, entryType: RawPerformanceEntryType, startTime: number, duration: number, // For "event" entries only: processingStart?: number, processingEnd?: number, interactionId?: number, |}; export interface Spec extends TurboModule { +startReporting: (entryType: string) => void; +stopReporting: (entryType: string) => void; +getPendingEntries: () => $ReadOnlyArray; +setOnPerformanceEntryCallback: (callback?: () => void) => void; // NOTE: this is for dev-only purposes (potentially is going to be moved elsewhere) +logEntryForDebug?: (entry: RawPerformanceEntry) => void; } export default (TurboModuleRegistry.get( 'NativePerformanceObserverCxx', ): ?Spec);