license added, and toast notifications.

src/lib/notifications.test.ts

@@ -0,0 +1,46 @@
+import { describe, expect, it } from 'vitest'
+import { account, status } from '$test/fixtures'
+import type { Notification } from './api/types'
+import { NotificationTracker, presentNotification } from './notifications'
+
+function notification(overrides: Partial<Notification> = {}): Notification {
+  return {
+    id: 'notification-1',
+    type: 'mention',
+    created_at: '2026-01-01T00:00:00.000Z',
+    account: account({ display_name: 'Bob', acct: 'bob' }),
+    status: status({ id: 'mentioned-entry', content: '<p>Hello there</p>' }),
+    ...overrides,
+  }
+}
+
+describe('NotificationTracker', () => {
+  it('uses the first page as a quiet baseline and emits only unseen items later', () => {
+    const tracker = new NotificationTracker()
+    const baseline = notification({ id: 'old' })
+    const fresh = notification({ id: 'new' })
+
+    expect(tracker.ingest([baseline])).toEqual([])
+    expect(tracker.cursor).toBe('old')
+    expect(tracker.ingest([fresh, baseline])).toEqual([fresh])
+    expect(tracker.cursor).toBe('new')
+    expect(tracker.ingest([fresh, baseline])).toEqual([])
+  })
+})
+
+describe('presentNotification', () => {
+  it('links status notifications to the relevant entry', () => {
+    expect(presentNotification(notification())).toEqual({
+      actor: 'Bob',
+      message: 'mentioned you in an entry',
+      excerpt: 'Hello there',
+      href: '#/blog/mentioned-entry',
+    })
+  })
+
+  it('links friend requests to their manager', () => {
+    expect(
+      presentNotification(notification({ type: 'follow_request', status: null })).href,
+    ).toBe('#/mail/requests')
+  })
+})