Method getPrimaryKeyCond

packages/core/src/utils/Utils.ts:590–601

(entity: T, primaryKeys: EntityKey<T>[])

  }

  static getPrimaryKeyCond<T>(entity: T, primaryKeys: EntityKey<T>[]): Record<string, Primary<T>> | null {
    const cond = primaryKeys.reduce((o, pk) => {
      o[pk] = Utils.extractPK(entity[pk]);
      return o;
    }, {} as any);

    if (Object.values(cond).some(v => v === null)) {
      return null;
    }

    return cond;
  }

  /**
   * Maps nested FKs from `[1, 2, 3]` to `[1, [2, 3]]`.