ReactFiberComponentStack.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
 */

import {enableViewTransition} from 'shared/ReactFeatureFlags';
import type {Fiber} from './ReactInternalTypes';
import type {ReactComponentInfo} from 'shared/ReactTypes';

import {
  HostComponent,
  HostHoistable,
  HostSingleton,
  LazyComponent,
  SuspenseComponent,
  SuspenseListComponent,
  FunctionComponent,
  ForwardRef,
  SimpleMemoComponent,
  ClassComponent,
  HostText,
  ViewTransitionComponent,
  ActivityComponent,
} from './ReactWorkTags';
import {
  describeBuiltInComponentFrame,
  describeFunctionComponentFrame,
  describeClassComponentFrame,
  describeDebugInfoFrame,
} from 'shared/ReactComponentStackFrame';
import {formatOwnerStack} from 'shared/ReactOwnerStackFrames';

function describeFiber(fiber: Fiber, childFiber: null | Fiber): string {
  switch (fiber.tag) {
    case HostHoistable:
    case HostSingleton:
    case HostComponent:
      return describeBuiltInComponentFrame(fiber.type);
    case LazyComponent:
      // TODO: When we support Thenables as component types we should rename this.
      return describeBuiltInComponentFrame('Lazy');
    case SuspenseComponent:
      if (fiber.child !== childFiber && childFiber !== null) {
        // If we came from the second Fiber then we're in the Suspense Fallback.
        return describeBuiltInComponentFrame('Suspense Fallback');
      }
      return describeBuiltInComponentFrame('Suspense');
    case SuspenseListComponent:
      return describeBuiltInComponentFrame('SuspenseList');
    case FunctionComponent:
    case SimpleMemoComponent:
      return describeFunctionComponentFrame(fiber.type);
    case ForwardRef:
      return describeFunctionComponentFrame(fiber.type.render);
    case ClassComponent:
      return describeClassComponentFrame(fiber.type);
// ... (150 more lines)