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

import {runWithFiberInDEV} from './ReactCurrentFiber';
import getComponentNameFromFiber from 'react-reconciler/src/getComponentNameFromFiber';
import {StrictLegacyMode} from './ReactTypeOfMode';

type FiberArray = Array<Fiber>;
type FiberToFiberComponentsMap = Map<Fiber, FiberArray>;

const ReactStrictModeWarnings = {
  recordUnsafeLifecycleWarnings: (fiber: Fiber, instance: any): void => {},
  flushPendingUnsafeLifecycleWarnings: (): void => {},
  recordLegacyContextWarning: (fiber: Fiber, instance: any): void => {},
  flushLegacyContextWarning: (): void => {},
  discardPendingWarnings: (): void => {},
};

if (__DEV__) {
  const findStrictRoot = (fiber: Fiber): Fiber | null => {
    let maybeStrictRoot = null;

    let node: null | Fiber = fiber;
    while (node !== null) {
      if (node.mode & StrictLegacyMode) {
        maybeStrictRoot = node;
      }
      node = node.return;
    }

    return maybeStrictRoot;
  };

  const setToSortedString = (set: Set<string>) => {
    const array = [];
    set.forEach(value => {
      array.push(value);
    });
    return array.sort().join(', ');
  };

  let pendingComponentWillMountWarnings: Array<Fiber> = [];
  let pendingUNSAFE_ComponentWillMountWarnings: Array<Fiber> = [];
  let pendingComponentWillReceivePropsWarnings: Array<Fiber> = [];
  let pendingUNSAFE_ComponentWillReceivePropsWarnings: Array<Fiber> = [];
  let pendingComponentWillUpdateWarnings: Array<Fiber> = [];
  let pendingUNSAFE_ComponentWillUpdateWarnings: Array<Fiber> = [];

  // Tracks components we have already warned about.
  const didWarnAboutUnsafeLifecycles = new Set<mixed>();

  ReactStrictModeWarnings.recordUnsafeLifecycleWarnings = (
// ... (305 more lines)