Function useIdleActorRef

packages/xstate-react/src/useActorRef.ts:18–53

(
  logic: TLogic,
  ...[options]: ConditionalRequired<
    [
      options?: ActorOptions<TLogic> & {
        [K in RequiredActorOptionsKeys<TLogic>]: unknown;
      }
    ],
    IsNotNever<RequiredActorOptionsKeys<TLogic>>
  >
)

import { stopRootWithRehydration } from './stopRootWithRehydration';

export function useIdleActorRef<TLogic extends AnyActorLogic>(
  logic: TLogic,
  ...[options]: ConditionalRequired<
    [
      options?: ActorOptions<TLogic> & {
        [K in RequiredActorOptionsKeys<TLogic>]: unknown;
      }
    ],
    IsNotNever<RequiredActorOptionsKeys<TLogic>>
  >
): Actor<TLogic> {
  let [[currentConfig, actorRef], setCurrent] = useState(() => {
    const actorRef = createActor(logic, options);
    return [logic.config, actorRef];
  });

  if (logic.config !== currentConfig) {
    const newActorRef = createActor(logic, {
      ...options,
      snapshot: (actorRef.getPersistedSnapshot as any)({
        __unsafeAllowInlineActors: true
      })
    });
    setCurrent([logic.config, newActorRef]);
    actorRef = newActorRef;
  }

  // TODO: consider using `useAsapEffect` that would do this in `useInsertionEffect` is that's available
  useIsomorphicLayoutEffect(() => {
    (actorRef.logic as any as AnyStateMachine).implementations = (
      logic as any as AnyStateMachine
    ).implementations;
  });

  return actorRef;
}

export function useActorRef<TLogic extends AnyActorLogic>(
  machine: TLogic,