31 строка
1006 B
JavaScript
31 строка
1006 B
JavaScript
/**
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*
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* @flow strict
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* @format
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*/
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// Declarations for functionality exposed by Hermes' TimerStats decorator.
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//
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// For backwards-compatibility, code that uses such functionality must also
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// check explicitly at run-time whether the object(s) and method(s) exist, and
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// fail safely if not.
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/**
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* JSITimerInternalType is the global object installed by Hermes' TimedRuntime
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* decorator, and it is used to extract runtime timing information.
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*/
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declare type $JSITimerInternalType = {
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/**
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* Returns the counters that TimedRuntime keep track.
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* There are no guarantees about what keys exist in it, but they can be
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* printed for informational purposes.
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* @return An object that maps strings to various types of performance
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* statistics.
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*/
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+getTimes?: () => {[string]: number | string, ...},
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};
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