refactor: Replace Webpack with Vite (#53)

src/pages/background/lib/addCourse.ts

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+import { UserScheduleStore } from '@shared/storage/UserScheduleStore';
+import { Course } from '@shared/types/Course';
+
+/**
+ *
+ */
+export default async function addCourse(scheduleName: string, course: Course): Promise<void> {
+    const schedules = await UserScheduleStore.get('schedules');
+    const activeSchedule = schedules.find(s => s.name === scheduleName);
+    if (!activeSchedule) {
+        throw new Error('Schedule not found');
+    }
+
+    activeSchedule.courses.push(course);
+
+    await UserScheduleStore.set('schedules', schedules);
+}

src/pages/background/lib/clearCourses.ts

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+import { UserScheduleStore } from '@shared/storage/UserScheduleStore';
+
+export default async function clearCourses(scheduleName: string): Promise<void> {
+    const schedules = await UserScheduleStore.get('schedules');
+    const schedule = schedules.find(schedule => schedule.name === scheduleName);
+    if (!schedule) {
+        throw new Error(`Schedule ${scheduleName} does not exist`);
+    }
+    schedule.courses = [];
+    await UserScheduleStore.set('schedules', schedules);
+}

src/pages/background/lib/createSchedule.ts

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+import { UserScheduleStore } from '@shared/storage/UserScheduleStore';
+
+/**
+ * Creates a new schedule with the given name
+ * @param scheduleName the name of the schedule to create
+ * @returns undefined if successful, otherwise an error message
+ */
+export default async function createSchedule(scheduleName: string): Promise<string | undefined> {
+    const schedules = await UserScheduleStore.get('schedules');
+    if (schedules.find(schedule => schedule.name === scheduleName)) {
+        return `Schedule ${scheduleName} already exists`;
+    }
+
+    schedules.push({
+        name: scheduleName,
+        courses: [],
+    });
+
+    await UserScheduleStore.set('schedules', schedules);
+    return undefined;
+}

src/pages/background/lib/deleteSchedule.ts

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+import { UserScheduleStore } from '@shared/storage/UserScheduleStore';
+
+export default async function deleteSchedule(scheduleName: string): Promise<string | undefined> {
+    const [schedules, activeIndex] = await Promise.all([
+        UserScheduleStore.get('schedules'),
+        UserScheduleStore.get('activeIndex'),
+    ]);
+
+    const scheduleIndex = schedules.findIndex(schedule => schedule.name === scheduleName);
+    if (scheduleIndex === -1) {
+        return `Schedule ${scheduleName} does not exist`;
+    }
+    if (scheduleIndex === activeIndex) {
+        return 'Cannot delete active schedule';
+    }
+
+    schedules.splice(scheduleIndex, 1);
+    await UserScheduleStore.set('schedules', schedules);
+    return undefined;
+}

src/pages/background/lib/removeCourse.ts

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+import { UserScheduleStore } from '@shared/storage/UserScheduleStore';
+import { Course } from '@shared/types/Course';
+
+/**
+ *
+ */
+export default async function removeCourse(scheduleName: string, course: Course): Promise<void> {
+    const schedules = await UserScheduleStore.get('schedules');
+    const activeSchedule = schedules.find(s => s.name === scheduleName);
+    if (!activeSchedule) {
+        throw new Error('Schedule not found');
+    }
+
+    activeSchedule.courses = activeSchedule.courses.filter(c => c.uniqueId !== course.uniqueId);
+
+    await UserScheduleStore.set('schedules', schedules);
+}

src/pages/background/lib/renameSchedule.ts

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+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;
+}

src/pages/background/lib/switchSchedule.ts

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+import { UserScheduleStore } from '@shared/storage/UserScheduleStore';
+
+export default async function switchSchedule(scheduleName: string): Promise<void> {
+    const schedules = await UserScheduleStore.get('schedules');
+
+    const scheduleIndex = schedules.findIndex(schedule => schedule.name === scheduleName);
+    if (scheduleIndex === -1) {
+        throw new Error(`Schedule ${scheduleName} does not exist`);
+    }
+
+    await UserScheduleStore.set('activeIndex', scheduleIndex);
+}