Function getPublicRootInstance

packages/react-reconciler/src/ReactFiberReconciler.js:473–487

(
  container: OpaqueRoot,
)

};

export function getPublicRootInstance(
  container: OpaqueRoot,
): component(...props: any) | PublicInstance | null {
  const containerFiber = container.current;
  if (!containerFiber.child) {
    return null;
  }
  switch (containerFiber.child.tag) {
    case HostSingleton:
    case HostComponent:
      return getPublicInstance(containerFiber.child.stateNode);
    default:
      return containerFiber.child.stateNode;
  }
}

export function attemptSynchronousHydration(fiber: Fiber): void {
  switch (fiber.tag) {