Function createContainer

packages/react-reconciler/src/ReactFiberReconciler.js:236–281

(
  containerInfo: Container,
  tag: RootTag,
  hydrationCallbacks: null | SuspenseHydrationCallbacks,
  isStrictMode: boolean,
  // TODO: Remove `concurrentUpdatesByDefaultOverride`. It is now ignored.
  concurrentUpdatesByDefaultOverride: null | boolean,
  identifierPrefix: string,
  onUncaughtError: (
    error: mixed,
    errorInfo: {+componentStack?: ?string},
  ) => void,
  onCaughtError: (
    error: mixed,
    errorInfo: {
      +componentStack?: ?string,
      +errorBoundary?: ?component(...props: any),
    },
  ) => void,
  onRecoverableError: (
    error: mixed,
    errorInfo: {+componentStack?: ?string},
  ) => void,
  onDefaultTransitionIndicator: () => void | (() => void),
  transitionCallbacks: null | TransitionTracingCallbacks,
)

}

export function createContainer(
  containerInfo: Container,
  tag: RootTag,
  hydrationCallbacks: null | SuspenseHydrationCallbacks,
  isStrictMode: boolean,
  // TODO: Remove `concurrentUpdatesByDefaultOverride`. It is now ignored.
  concurrentUpdatesByDefaultOverride: null | boolean,
  identifierPrefix: string,
  onUncaughtError: (
    error: mixed,
    errorInfo: {+componentStack?: ?string},
  ) => void,
  onCaughtError: (
    error: mixed,
    errorInfo: {
      +componentStack?: ?string,
      +errorBoundary?: ?component(...props: any),
    },
  ) => void,
  onRecoverableError: (
    error: mixed,
    errorInfo: {+componentStack?: ?string},
  ) => void,
  onDefaultTransitionIndicator: () => void | (() => void),
  transitionCallbacks: null | TransitionTracingCallbacks,
): OpaqueRoot {
  const hydrate = false;
  const initialChildren = null;
  const root = createFiberRoot(
    containerInfo,
    tag,
    hydrate,
    initialChildren,
    hydrationCallbacks,
    isStrictMode,
    identifierPrefix,
    null,
    onUncaughtError,
    onCaughtError,
    onRecoverableError,
    onDefaultTransitionIndicator,
    transitionCallbacks,
  );
  registerDefaultIndicator(onDefaultTransitionIndicator);
  return root;
}

export function createHydrationContainer(
  initialChildren: ReactNodeList,