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df2eaa9eb6
Summary: Split up InitializeCore into a bunch of modules. The idea here is to make it easier for apps to just get the initialization logic they want and leave behind what they don't; for example, if you don't want the Map/Set polyfills, instead of requiring InitializeCore you can require the modules you want from it. Reviewed By: yungsters Differential Revision: D10842564 fbshipit-source-id: 3b12d54fddea8c4ee75886022338c214987a015c
53 lines
1.3 KiB
JavaScript
53 lines
1.3 KiB
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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* @format
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* @flow
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*/
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/* globals window: true */
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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 startTime =
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global.nativePerformanceNow != null ? global.nativePerformanceNow() : null;
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require('setUpGlobals');
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require('polyfillES6Collections');
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require('setUpSystrace');
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require('setUpErrorHandling');
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require('checkNativeVersion');
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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('setUpGeolocation');
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require('setUpBatchedBridge');
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require('setUpSegmentFetcher');
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if (__DEV__) {
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require('setUpDeveloperTools');
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}
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if (startTime != null) {
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const PerformanceLogger = require('PerformanceLogger');
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PerformanceLogger.markPoint('initializeCore_start', startTime);
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PerformanceLogger.markPoint('initializeCore_end');
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}
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