xstate/dist/declarations/src/transition.d.ts

Finite State Machines and Statecharts for the Modern Web.

import { AnyActorLogic, EventFromLogic, InputFrom, SnapshotFrom, ExecutableActionsFrom } from "./types.js";
/**
 * Given actor `logic`, a `snapshot`, and an `event`, returns a tuple of the
 * `nextSnapshot` and `actions` to execute.
 *
 * This is a pure function that does not execute `actions`.
 */
export declare function transition<T extends AnyActorLogic>(logic: T, snapshot: SnapshotFrom<T>, event: EventFromLogic<T>): [nextSnapshot: SnapshotFrom<T>, actions: ExecutableActionsFrom<T>[]];
/**
 * Given actor `logic` and optional `input`, returns a tuple of the
 * `nextSnapshot` and `actions` to execute from the initial transition (no
 * previous state).
 *
 * This is a pure function that does not execute `actions`.
 */
export declare function initialTransition<T extends AnyActorLogic>(logic: T, ...[input]: undefined extends InputFrom<T> ? [input?: InputFrom<T>] : [input: InputFrom<T>]): [SnapshotFrom<T>, ExecutableActionsFrom<T>[]];