wallet-core/packages/taler-wallet-core/src/util/invariants.ts

/*
 This file is part of GNU Taler
 (C) 2020 Taler Systems S.A.

 GNU Taler is free software; you can redistribute it and/or modify it under the
 terms of the GNU General Public License as published by the Free Software
 Foundation; either version 3, or (at your option) any later version.

 GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
 A PARTICULAR PURPOSE.  See the GNU General Public License for more details.

 You should have received a copy of the GNU General Public License along with
 GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
 */

/**
 * Helpers for invariants.
 */

export function checkDbInvariant(b: boolean, m?: string): asserts b {
  if (!b) {
    if (m) {
      throw Error(`BUG: database invariant failed (${m})`);
    } else {
      throw Error("BUG: database invariant failed");
    }
  }
}

export function checkLogicInvariant(b: boolean, m?: string): asserts b {
  if (!b) {
    if (m) {
      throw Error(`BUG: logic invariant failed (${m})`);
    } else {
      throw Error("BUG: logic invariant failed");
    }
  }
}