[Init] Initial commit - NetMesh terminal manager

application/state/vaultImportPersistence.ts

@@ -0,0 +1,47 @@
+import type { ManagedSource } from "../../domain/models";
+import {
+  STORAGE_KEY_GROUPS,
+  STORAGE_KEY_MANAGED_SOURCES,
+} from "../../infrastructure/config/storageKeys";
+import { commitPluginImporterTransaction } from "./pluginImporterTransaction";
+
+type VaultImportMetadataStorage = {
+  read<T>(key: string): T | null;
+  readString(key: string): string | null;
+  write<T>(key: string, value: T): boolean;
+  writeString(key: string, value: string): boolean;
+  remove(key: string): void;
+};
+
+export const readStoredArray = <T>(key: string, value: string | null): T[] => {
+  if (value === null) return [];
+  try {
+    const parsed = JSON.parse(value) as unknown;
+    if (Array.isArray(parsed)) return parsed as T[];
+  } catch {
+    // Report the same safe error for malformed JSON and non-array values.
+  }
+  throw new Error(`Saved Vault data is unreadable for ${key}`);
+};
+
+export function persistVaultImportMetadata(
+  storage: VaultImportMetadataStorage,
+  updateGroups: (current: string[]) => string[],
+  updateSources: (current: ManagedSource[]) => ManagedSource[],
+  additionalWrites: ReadonlyArray<readonly [key: string, value: unknown]> = [],
+): { persisted: boolean; groups: string[]; sources: ManagedSource[] } {
+  const groups = updateGroups(readStoredArray<string>(
+    STORAGE_KEY_GROUPS,
+    storage.readString(STORAGE_KEY_GROUPS),
+  ));
+  const sources = updateSources(readStoredArray<ManagedSource>(
+    STORAGE_KEY_MANAGED_SOURCES,
+    storage.readString(STORAGE_KEY_MANAGED_SOURCES),
+  ));
+  commitPluginImporterTransaction(storage, [
+    ...additionalWrites,
+    [STORAGE_KEY_GROUPS, groups],
+    [STORAGE_KEY_MANAGED_SOURCES, sources],
+  ]);
+  return { persisted: true, groups, sources };
+}