refactor: Replace Webpack with Vite (#53)

src/pages/background/lib/renameSchedule.ts

@@ -0,0 +1,17 @@
+import { UserScheduleStore } from '@shared/storage/UserScheduleStore';
+
+export default async function renameSchedule(scheduleName: string, newName: string): Promise<string | undefined> {
+    const schedules = await UserScheduleStore.get('schedules');
+    const scheduleIndex = schedules.findIndex(schedule => schedule.name === scheduleName);
+    if (scheduleIndex === -1) {
+        return `Schedule ${scheduleName} does not exist`;
+    }
+    if (schedules.find(schedule => schedule.name === newName)) {
+        return `Schedule ${newName} already exists`;
+    }
+
+    schedules[scheduleIndex].name = newName;
+
+    await UserScheduleStore.set('schedules', schedules);
+    return undefined;
+}