createAction.checkGet.ts

const checkGet: (dungeon: Dungeon) => IAction = (dungeon: Dungeon) => {
    if (dungeon.currentRoom.things.length < 1) {
        return {
            type: ACTION_TEXT,
            text: 'You get down.'
        } as ITextAction;
    }

    let invCount = dungeon.inventory.length + 1; 
    if (dungeon.trophyCount === invCount) {
        return {
            type: ACTION_WON,
            item: dungeon.currentRoom.things[0],
            room: dungeon.currentRoom
        } as IWonAction;
    }
    return {
        type: ACTION_GET,
        item: dungeon.currentRoom.things[0],
        room: dungeon.currentRoom
    } as IInventoryAction; 
}