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authorFlorian Dold <florian.dold@gmail.com>2020-09-02 12:25:01 +0530
committerFlorian Dold <florian.dold@gmail.com>2020-09-02 12:25:01 +0530
commit8d0081b62248f0663e3b4e1ba5246b454f5823db (patch)
treea6a8c84961649cb36b6c58330811af972ed3773e
parent46ba5167c81ce95c31097133cb8287972044de90 (diff)
missing file
-rw-r--r--packages/taler-wallet-core/src/util/invariants.ts29
1 files changed, 29 insertions, 0 deletions
diff --git a/packages/taler-wallet-core/src/util/invariants.ts b/packages/taler-wallet-core/src/util/invariants.ts
new file mode 100644
index 000000000..fa381d333
--- /dev/null
+++ b/packages/taler-wallet-core/src/util/invariants.ts
@@ -0,0 +1,29 @@
+/*
+ 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");
+ }
+ }
+}