feat: support outlook for calendar plus minor fixes

src/seqta/utils/outlookCalendar/storage.ts

@@ -0,0 +1,38 @@
+import browser from "webextension-polyfill";
+import type { GoogleCalendarEventMapEntry } from "@/seqta/utils/googleCalendar/eventMapEntry";
+
+export const BSPLUS_OUTLOOK_CALENDAR_STORAGE_KEY = "bsplus_outlook_calendar";
+
+export interface OutlookCalendarStoredState {
+  accessToken?: string;
+  refreshToken?: string;
+  expiresAt?: number;
+  connectedAt?: number;
+  lastSyncAt?: number;
+  lastSyncOrigin?: string;
+  eventMap?: Record<string, string | GoogleCalendarEventMapEntry>;
+}
+
+export async function readOutlookCalendarState(): Promise<OutlookCalendarStoredState> {
+  const got = await browser.storage.local.get(BSPLUS_OUTLOOK_CALENDAR_STORAGE_KEY);
+  const raw = got[BSPLUS_OUTLOOK_CALENDAR_STORAGE_KEY];
+  if (!raw || typeof raw !== "object" || Array.isArray(raw)) return {};
+  return raw as OutlookCalendarStoredState;
+}
+
+export async function writeOutlookCalendarState(
+  patch: Partial<OutlookCalendarStoredState>,
+): Promise<OutlookCalendarStoredState> {
+  const current = await readOutlookCalendarState();
+  const next: OutlookCalendarStoredState = { ...current, ...patch };
+  await browser.storage.local.set({ [BSPLUS_OUTLOOK_CALENDAR_STORAGE_KEY]: next });
+  return next;
+}
+
+export async function clearOutlookCalendarState(): Promise<void> {
+  await browser.storage.local.remove(BSPLUS_OUTLOOK_CALENDAR_STORAGE_KEY);
+}
+
+export function outlookEventMapKey(origin: string, seqtaKey: string): string {
+  return `${origin}::${seqtaKey}`;
+}