Method expandItem

packages/core/src/utils/QueryHelper.ts:531–534

(item: unknown)

          ? this.extractPolymorphicJoinColumnValues(entity, prop)
          : this.extractJoinColumnValues(entity, prop);
      const expandItem = (item: unknown) => {
        const entity = Reference.isReference(item) ? item.unwrap() : item;
        return Utils.isEntity(entity) ? expand(entity) : item;
      };
      const w = where[k];
      const expanded = expandItem(w);