carousel machine

type CarouselChangeReason = "pointer" | "keyboard" | "programmatic";

type CarouselCommand = CommandObject & {
  readonly type: "INDEX_CHANGE_REQUEST";
  readonly index: number;
  readonly reason: CarouselChangeReason;
};

type CarouselContext = {
  readonly mode: "controlled" | "uncontrolled";
  readonly index: number;
};

export declare const CarouselDiagnosticCodes: readonly DiagnosticCatalogueEntry[];

type CarouselEvent = {
  readonly type: "NEXT";
  readonly reason: CarouselChangeReason;
} | {
  readonly type: "PREV";
  readonly reason: CarouselChangeReason;
} | {
  readonly type: "GO";
  readonly index: number;
  readonly reason: CarouselChangeReason;
} | {
  readonly type: "RESET";
};

type CarouselInput = {
  /** Controlled committed index. Defining it fixes controlled mode. */
  readonly index?: number;
  /** Uncontrolled initial index. @default 0 */
  readonly defaultIndex?: number;
  /** Slide count from the host. Empty count resolves to index 0. @default 0 */
  readonly slideCount?: number;
  /** Wrap past the ends instead of clamping. @default false */
  readonly loop?: boolean;
  /** Accessible name. Presentation-only; the machine ignores it. @default "Carousel" */
  readonly label?: string;
};

export declare const carouselMachine: CarouselMachine;

type CarouselMachine = Machine<CarouselInput, CarouselStateValue, CarouselContext, CarouselEvent, CarouselCommand>;

export declare const carouselReplaySequence: readonly CarouselEvent[];

export declare const carouselSelectors: {
  index: (snapshot: CarouselSnapshot) => number;
  mode: (snapshot: CarouselSnapshot) => "controlled" | "uncontrolled";
};

type CarouselSnapshot = Snapshot<CarouselStateValue, CarouselContext>;

type CarouselStateValue = "active";

declare function clampCarouselIndex(index: number, count: number, loop: boolean): number;