Function one

packages/core/fumadb/src/schema/create.ts:547–563

(another, ...on)

  return {
    one(another, ...on) {
      if (on.length > 0) {
        const init = new ExplicitRelationInit(
          "one",
          tables[another],
          referencer
        );
        init.on = on as [string, string][];
        return init;
      }

      return new ImplicitRelationInit(
        "one",
        tables[another],
        referencer
      ) as any;
    },
    many(another) {
      return new ImplicitRelationInit("many", tables[another], referencer);
    },