ReactFizzClassComponent.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 {emptyContextObject} from './ReactFizzLegacyContext';
import {readContext} from './ReactFizzNewContext';

import {disableLegacyContext} from 'shared/ReactFeatureFlags';
import {get as getInstance, set as setInstance} from 'shared/ReactInstanceMap';
import getComponentNameFromType from 'shared/getComponentNameFromType';
import {REACT_CONTEXT_TYPE, REACT_CONSUMER_TYPE} from 'shared/ReactSymbols';
import assign from 'shared/assign';
import isArray from 'shared/isArray';

const didWarnAboutNoopUpdateForComponent: {[string]: boolean} = {};
const didWarnAboutDeprecatedWillMount: {[string]: boolean} = {};

let didWarnAboutUninitializedState;
let didWarnAboutGetSnapshotBeforeUpdateWithoutDidUpdate;
let didWarnAboutLegacyLifecyclesAndDerivedState;
let didWarnAboutUndefinedDerivedState;
let didWarnAboutDirectlyAssigningPropsToState;
let didWarnAboutContextTypeAndContextTypes;
let didWarnAboutContextTypes;
let didWarnAboutChildContextTypes;
let didWarnAboutInvalidateContextType;
let didWarnOnInvalidCallback;

if (__DEV__) {
  didWarnAboutUninitializedState = new Set<string>();
  didWarnAboutGetSnapshotBeforeUpdateWithoutDidUpdate = new Set<mixed>();
  didWarnAboutLegacyLifecyclesAndDerivedState = new Set<string>();
  didWarnAboutDirectlyAssigningPropsToState = new Set<string>();
  didWarnAboutUndefinedDerivedState = new Set<string>();
  didWarnAboutContextTypeAndContextTypes = new Set<mixed>();
  didWarnAboutContextTypes = new Set<mixed>();
  didWarnAboutChildContextTypes = new Set<mixed>();
  didWarnAboutInvalidateContextType = new Set<mixed>();
  didWarnOnInvalidCallback = new Set<string>();
}

function warnOnInvalidCallback(callback: mixed) {
  if (__DEV__) {
    if (callback === null || typeof callback === 'function') {
      return;
    }
    // eslint-disable-next-line react-internal/safe-string-coercion
    const key = String(callback);
    if (!didWarnOnInvalidCallback.has(key)) {
      didWarnOnInvalidCallback.add(key);
      console.error(
        'Expected the last optional `callback` argument to be a ' +
          'function. Instead received: %s.',
        callback,
      );
// ... (644 more lines)