eewing
17 lines
579 B
TypeScript
17 lines
579 B
TypeScript
import { type WritableBox } from "svelte-toolbelt";
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interface Machine<S> {
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[k: string]: {
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[k: string]: S;
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};
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}
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type MachineState<T> = keyof T;
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type MachineEvent<T> = keyof UnionToIntersection<T[keyof T]>;
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type UnionToIntersection<T> = (T extends any ? (x: T) => any : never) extends (x: infer R) => any ? R : never;
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export declare class StateMachine<M> {
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#private;
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readonly state: WritableBox<MachineState<M>>;
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constructor(initialState: MachineState<M>, machine: M & Machine<MachineState<M>>);
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dispatch(event: MachineEvent<M>): void;
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}
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export {};
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