import {values, query as q} from "faunadb";

/**
 * Gets the collection for a given doc.
 * @param doc 
 * @returns a ref to the collection.
 */
export const GetCollection = (doc : values.Document) : values.Ref=>{
    return q.If(
        q.Not(q.IsDoc(doc)),
        q.Abort("Cannot get the collection of a value that is not a document."),
        q.Select(
            ["ref", "collection"],
            doc
        )
    ) as values.Ref
}