ReactFiberPerformanceTrack.js — react Source File

Source Code

/**
 * Copyright (c) Meta Platforms, Inc. and affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 *
 * @flow
 */

/* eslint-disable react-internal/no-production-logging */

import type {Fiber} from './ReactInternalTypes';

import type {Lanes} from './ReactFiberLane';

import type {CapturedValue} from './ReactCapturedValue';

import {SuspenseComponent} from './ReactWorkTags';

import getComponentNameFromFiber from './getComponentNameFromFiber';

import {
  getGroupNameOfHighestPriorityLane,
  includesOnlyHydrationLanes,
  includesOnlyOffscreenLanes,
  includesOnlyHydrationOrOffscreenLanes,
  includesSomeLane,
} from './ReactFiberLane';

import {
  addValueToProperties,
  addObjectToProperties,
  addObjectDiffToProperties,
} from 'shared/ReactPerformanceTrackProperties';

import {
  enableProfilerTimer,
  enableGestureTransition,
  enablePerformanceIssueReporting,
} from 'shared/ReactFeatureFlags';

const supportsUserTiming =
  enableProfilerTimer &&
  typeof console !== 'undefined' &&
  typeof console.timeStamp === 'function' &&
  (!__DEV__ ||
    // In DEV we also rely on performance.measure
    (typeof performance !== 'undefined' &&
      // $FlowFixMe[method-unbinding]
      typeof performance.measure === 'function'));

const COMPONENTS_TRACK = 'Components ⚛';
const LANES_TRACK_GROUP = 'Scheduler ⚛';

let currentTrack: string = 'Blocking'; // Lane

export function setCurrentTrackFromLanes(lanes: Lanes): void {
  currentTrack = getGroupNameOfHighestPriorityLane(lanes);
}

// ... (1661 more lines)