Function isFolder

isFolder(
    doc: unknown,
): doc is Folder<
    | "Actor"
    | "Adventure"
    | "Cards"
    | "Item"
    | "JournalEntry"
    | "Macro"
    | "Playlist"
    | "RollTable"
    | "Scene"
    | "Compendium",
>
Parameters
- doc: unknown
  A potential Foundry folder.
Returns doc is Folder<
    | "Actor"
    | "Adventure"
    | "Cards"
    | "Item"
    | "JournalEntry"
    | "Macro"
    | "Playlist"
    | "RollTable"
    | "Scene"
    | "Compendium",
>
Whether the given object is a Foundry folder.