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Reference implementation (mock) for NativePerformanceObserver (#36116)

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Summary:
Pull Request resolved: https://github.com/facebook/react-native/pull/36116

[Changelog][Internal]

Add a minimal/reference JavaScript implementation for NativePerformanceObserver - the purpose is both unit testing (JS and native sides separately) and potentially shimming the part of functionality that is not dependent on native side.

This is both a setup for adding general unit tests for the Performance* APIs, but also to be able to do non-trivial changes on JS side for WebPerformance (such as in (D43154319).

Reviewed By: rubennorte

Differential Revision: D43167392

fbshipit-source-id: 213d9534d810dece1dd464f910e92e08dbf39508
This commit is contained in:
Ruslan Shestopalyuk
2023-02-15 06:03:12 -08:00
committed by Facebook GitHub Bot
parent 96fb708d3e
commit f76d4dee6f
8 changed files with 261 additions and 71 deletions
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Libraries/WebPerformance/NativePerformanceObserver.js
-7
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@@ -12,13 +12,6 @@ import type {TurboModule} from '../TurboModule/RCTExport';
import * as TurboModuleRegistry from '../TurboModule/TurboModuleRegistry';
export const RawPerformanceEntryTypeValues = {
UNDEFINED: 0,
MARK: 1,
MEASURE: 2,
EVENT: 3,
};
export type RawPerformanceEntryType = number;
export type RawPerformanceEntry = {|