first chrome implementation

projects/common/src/lib/services/storage/browser-session-handler.ts

@@ -0,0 +1,31 @@
+/* eslint-disable @typescript-eslint/no-explicit-any */
+import { BrowserSessionData } from './types';
+
+export abstract class BrowserSessionHandler {
+  get browserSessionData(): BrowserSessionData | undefined {
+    return this.#browserSessionData;
+  }
+
+  #browserSessionData?: BrowserSessionData;
+
+  /**
+   * Load the data from the browser session storage. It should be an empty object,
+   * if no data is available yet (e.g. because the vault (from the browser sync data)
+   * was not unlocked via password).
+   *
+   * ATTENTION: Make sure to call "setFullData(..)" afterwards to update the in-memory data.
+   */
+  abstract loadFullData(): Promise<Partial<Record<string, any>>>;
+  setFullData(data: BrowserSessionData) {
+    this.#browserSessionData = JSON.parse(JSON.stringify(data));
+  }
+
+  /**
+   * Persist the full data to the session data storage.
+   *
+   * ATTENTION: Make sure to call "setFullData(..)" afterwards of before to update the in-memory data.
+   */
+  abstract saveFullData(data: BrowserSessionData): Promise<void>;
+
+  abstract clearData(): Promise<void>;
+}