mirror of
https://github.com/facebook/react-native.git
synced 2025-11-01 09:14:26 +00:00
Alexey Lang
a9b3ca7fa7
Summary: I'm changing all callsites to use either global or scoped perf logger explicitly in one diff. `GlobalPerformanceLogger` is basically a singleton `scopedPerformanceLogger` is scoped to the React tree by using a React Context Reviewed By: sahrens Differential Revision: D14186694 fbshipit-source-id: 062c76eea8fce9d9b531f0eddf153bb79d52f68d
56 lines
1.5 KiB
JavaScript
56 lines
1.5 KiB
JavaScript
/**
|
|
* Copyright (c) Facebook, Inc. and its affiliates.
|
|
*
|
|
* This source code is licensed under the MIT license found in the
|
|
* LICENSE file in the root directory of this source tree.
|
|
*
|
|
* @format
|
|
* @flow
|
|
*/
|
|
|
|
/* globals window: true */
|
|
|
|
/**
|
|
* Sets up global variables typical in most JavaScript environments.
|
|
*
|
|
* 1. Global timers (via `setTimeout` etc).
|
|
* 2. Global console object.
|
|
* 3. Hooks for printing stack traces with source maps.
|
|
*
|
|
* Leaves enough room in the environment for implementing your own:
|
|
*
|
|
* 1. Require system.
|
|
* 2. Bridged modules.
|
|
*
|
|
*/
|
|
'use strict';
|
|
|
|
const start = Date.now();
|
|
|
|
require('setUpGlobals');
|
|
require('polyfillES6Collections');
|
|
require('setUpSystrace');
|
|
require('setUpErrorHandling');
|
|
require('checkNativeVersion');
|
|
require('polyfillPromise');
|
|
require('setUpRegeneratorRuntime');
|
|
require('setUpTimers');
|
|
require('setUpXHR');
|
|
require('setUpAlert');
|
|
require('setUpGeolocation');
|
|
require('setUpBatchedBridge');
|
|
require('setUpSegmentFetcher');
|
|
if (__DEV__) {
|
|
require('setUpDeveloperTools');
|
|
}
|
|
|
|
const GlobalPerformanceLogger = require('GlobalPerformanceLogger');
|
|
// We could just call GlobalPerformanceLogger.markPoint at the top of the file,
|
|
// but then we'd be excluding the time it took to require the logger.
|
|
// Instead, we just use Date.now and backdate the timestamp.
|
|
GlobalPerformanceLogger.markPoint(
|
|
'initializeCore_start',
|
|
GlobalPerformanceLogger.currentTimestamp() - (Date.now() - start),
|
|
);
|
|
GlobalPerformanceLogger.markPoint('initializeCore_end');
|