dropdown-menu machine

type DropdownMenuChangeReason = DropdownMenuOpenReason | DropdownMenuCloseReason;

type DropdownMenuCloseReason = "escape" | "outside-click" | "select" | "programmatic";

type DropdownMenuCommand = (CommandObject & {
  readonly type: "OPEN_CHANGE_REQUEST";
  readonly open: boolean;
  readonly reason: DropdownMenuChangeReason;
}) | (CommandObject & {
  readonly type: "SELECT_ITEM";
  readonly id: string;
}) | ScheduleCommand<DropdownMenuEvent> | CancelCommand;

type DropdownMenuContext = MenuContext;

export declare const DropdownMenuDiagnosticCodes: readonly DiagnosticCatalogueEntry[];

type DropdownMenuEvent = {
  readonly type: "TOGGLE";
  readonly reason: "trigger";
} | {
  readonly type: "OPEN";
  readonly reason: DropdownMenuOpenReason;
  readonly highlight?: "first" | "last";
} | {
  readonly type: "CLOSE";
  readonly reason: DropdownMenuCloseReason;
} | {
  readonly type: "MOVE";
  readonly direction: -1 | 1;
} | {
  readonly type: "HIGHLIGHT";
  readonly index: number;
} | {
  readonly type: "HOME";
} | {
  readonly type: "END";
} | {
  readonly type: "SELECT";
} | {
  readonly type: "TYPEAHEAD";
  readonly char: string;
};

type DropdownMenuInput = {
  readonly open?: boolean;
  readonly defaultOpen?: boolean;
  readonly items: readonly DropdownMenuItem[];
  readonly typeaheadTimeoutMs?: number;
};

interface DropdownMenuItem {
  readonly id: string;
  readonly disabled?: boolean;
  readonly textValue?: string;
}

export declare const dropdownMenuMachine: DropdownMenuMachine;

type DropdownMenuMachine = Machine<DropdownMenuInput, DropdownMenuStateValue, DropdownMenuContext, DropdownMenuEvent, DropdownMenuCommand>;

type DropdownMenuOpenReason = "trigger" | "programmatic";

export declare const dropdownMenuReplaySequence: readonly DropdownMenuEvent[];

export declare const dropdownMenuSelectors: {
  open: (snapshot: DropdownMenuSnapshot) => boolean;
  highlightedIndex: (snapshot: DropdownMenuSnapshot) => number;
  typeaheadBuffer: (snapshot: DropdownMenuSnapshot) => string;
};

type DropdownMenuSnapshot = Snapshot<DropdownMenuStateValue, DropdownMenuContext>;

type DropdownMenuStateValue = "open" | "closed";