[core] Export types so setup() declaration emit works (#5464)

* Export types so setup() declaration emit works (fixes #5462)

* Changeset

Author: davidkpiano

.changeset/every-mammals-live.md

@@ -0,0 +1,5 @@
+---
+'xstate': patch
+---
+
+Fix: export types so setup() declaration emit works (fixes #5462)

packages/core/src/actions.ts

@@ -17,5 +17,9 @@ export {
   sendTo,
   type SendToAction
 } from './actions/send.ts';
-export { spawnChild, type SpawnAction } from './actions/spawnChild.ts';
+export {
+  spawnChild,
+  type SpawnAction,
+  type SpawnActionOptions
+} from './actions/spawnChild.ts';
 export { stop, stopChild, type StopAction } from './actions/stopChild.ts';

packages/core/src/actions/spawnChild.ts

@@ -127,7 +127,7 @@ export interface SpawnAction<
   _out_TActor?: TActor;
 }
 
-interface SpawnActionOptions<
+export interface SpawnActionOptions<
   TContext extends MachineContext,
   TExpressionEvent extends EventObject,
   TEvent extends EventObject,

packages/core/src/index.ts

@@ -11,6 +11,7 @@ export {
 export { createMachine } from './createMachine.ts';
 export { getInitialSnapshot, getNextSnapshot } from './getNextSnapshot.ts';
 export { and, not, or, stateIn } from './guards.ts';
+export type { GuardPredicate, GuardArgs } from './guards.ts';
 export type {
   InspectedActionEvent,
   InspectedActorEvent,
@@ -19,7 +20,7 @@ export type {
   InspectedSnapshotEvent,
   InspectionEvent
 } from './inspection.ts';
-export { setup } from './setup.ts';
+export { setup, type SetupReturn } from './setup.ts';
 export { SimulatedClock } from './SimulatedClock.ts';
 export { type Spawner } from './spawn.ts';
 export { isMachineSnapshot, type MachineSnapshot } from './State.ts';

packages/core/src/setup.ts

@@ -78,7 +78,7 @@ type ToStateSchema<TSchema extends StateSchema> = {
 type RequiredSetupKeys<TChildrenMap> =
   IsNever<keyof TChildrenMap> extends true ? never : 'actors';
 
-type SetupReturn<
+export type SetupReturn<
   TContext extends MachineContext,
   TEvent extends AnyEventObject,
   TActors extends Record<string, UnknownActorLogic>,