refactor progress

packages/kv_client/src/KVClientError.tsx

@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) 2026 Fluxer Contributors
+ *
+ * This file is part of Fluxer.
+ *
+ * Fluxer 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, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Fluxer 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 Fluxer. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+import {HttpStatus} from '@fluxer/constants/src/HttpConstants';
+import {FluxerError, type FluxerErrorStatus} from '@fluxer/errors/src/FluxerError';
+
+export const KVClientErrorCode = {
+	INVALID_ARGUMENT: 'KV_CLIENT_INVALID_ARGUMENT',
+	INVALID_RESPONSE: 'KV_CLIENT_INVALID_RESPONSE',
+	REQUEST_FAILED: 'KV_CLIENT_REQUEST_FAILED',
+	TIMEOUT: 'KV_CLIENT_TIMEOUT',
+} as const;
+
+interface KVClientErrorInit {
+	code: string;
+	message: string;
+	status?: FluxerErrorStatus;
+}
+
+export class KVClientError extends FluxerError {
+	constructor(init: KVClientErrorInit) {
+		super({
+			code: init.code,
+			message: init.message,
+			status: init.status ?? HttpStatus.INTERNAL_SERVER_ERROR,
+		});
+		this.name = 'KVClientError';
+	}
+}