mirror of
https://github.com/facebook/react-native.git
synced 2025-11-01 09:14:26 +00:00
Luna Wei
9af5c3330c
Summary: Changelog: [General][Changed] - ESM Logbox Reviewed By: yungsters Differential Revision: D42202344 fbshipit-source-id: 8b09fb261c61bd3fb3ab8df66e5732046187cdd8
57 lines
1.6 KiB
JavaScript
57 lines
1.6 KiB
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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* @format
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* @flow strict-local
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*/
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/**
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* Sets up global variables typical in most JavaScript environments.
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*
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* 1. Global timers (via `setTimeout` etc).
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* 2. Global console object.
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* 3. Hooks for printing stack traces with source maps.
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*
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* Leaves enough room in the environment for implementing your own:
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*
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* 1. Require system.
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* 2. Bridged modules.
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*
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*/
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'use strict';
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const start = Date.now();
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require('./setUpGlobals');
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require('./setUpPerformance');
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require('./setUpErrorHandling');
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require('./polyfillPromise');
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require('./setUpRegeneratorRuntime');
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require('./setUpTimers');
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require('./setUpXHR');
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require('./setUpAlert');
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require('./setUpNavigator');
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require('./setUpBatchedBridge');
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require('./setUpSegmentFetcher');
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if (__DEV__) {
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require('./checkNativeVersion');
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require('./setUpDeveloperTools');
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require('../LogBox/LogBox').default.install();
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}
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require('../ReactNative/AppRegistry');
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const GlobalPerformanceLogger = require('../Utilities/GlobalPerformanceLogger');
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// We could just call GlobalPerformanceLogger.markPoint at the top of the file,
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// but then we'd be excluding the time it took to require the logger.
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// Instead, we just use Date.now and backdate the timestamp.
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GlobalPerformanceLogger.markPoint(
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'initializeCore_start',
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GlobalPerformanceLogger.currentTimestamp() - (Date.now() - start),
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);
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GlobalPerformanceLogger.markPoint('initializeCore_end');
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