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Summary: This function returns a HOC that passes `scopedPerformanceLogger` as a prop to the wrapped component. That HOC can be used whenever we can't declare `static contextType` as `PerformanceLoggerContext` on a component, for example because React supports only one React Context per component. Reviewed By: sahrens Differential Revision: D14385560 fbshipit-source-id: 41971b4bf499f336c34b9220a3ee97c4ed89498d
27 lines
842 B
JavaScript
27 lines
842 B
JavaScript
/**
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* Copyright (c) Facebook, Inc. and its 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
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* @format
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*/
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'use strict';
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import * as React from 'react';
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import GlobalPerformanceLogger from 'GlobalPerformanceLogger';
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import type {IPerformanceLogger} from 'createPerformanceLogger';
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/**
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* This is a React Context that provides a scoped instance of IPerformanceLogger.
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* We wrap every <AppContainer /> with a Provider for this context so the logger
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* should be available in every component.
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* See React docs about using Context: https://reactjs.org/docs/context.html
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*/
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const PerformanceLoggerContext: React.Context<IPerformanceLogger> = React.createContext(
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GlobalPerformanceLogger,
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);
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module.exports = PerformanceLoggerContext;
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