1 files changed, 34 insertions, 0 deletions

diff --git a/packages/main/src/infrastructure/ConfigPersistence.ts b/packages/main/src/infrastructure/ConfigPersistence.ts
new file mode 100644
index 0000000..4b96f01
--- /dev/null
+++ b/packages/main/src/infrastructure/ConfigPersistence.ts
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C)  2021-2022 Kristóf Marussy <kristof@marussy.com>
+ *
+ * This file is part of Sophie.
+ *
+ * Sophie is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, version 3.
+ *
+ * This program 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import type { ConfigSnapshotOut } from '../stores/Config';
+import type Disposer from '../utils/Disposer';
+
+export type ReadConfigResult =
+  | { found: true; data: unknown }
+  | { found: false };
+
+export default interface ConfigPersistence {
+  readConfig(): Promise<ReadConfigResult>;
+
+  writeConfig(configSnapshot: ConfigSnapshotOut): Promise<void>;
+
+  watchConfig(callback: () => Promise<void>, throttleMs: number): Disposer;
+}