some change

src/app/auth/authService.ts

@@ -0,0 +1,51 @@
+import { User } from '../user/userStore.ts'
+import { dispatchMessage } from '../messageBus/messageBus.ts'
+import client from '../api/client.ts'
+
+export class AuthService {
+  constructor(private readonly user: User | null) {}
+
+  async login(username: string, password: string) {
+    if (this.user != null) {
+      throw new Error('already logged in')
+    }
+
+    const res = await client.POST('/auth/login', {
+      body: { username, password },
+      credentials: 'include',
+    })
+
+    if (!res.data) {
+      throw new Error('invalid credentials')
+    }
+
+    dispatchMessage('auth:logged-in', { ...res.data })
+  }
+
+  async signup(username: string, password: string, signupCode: string) {
+    if (this.user != null) {
+      throw new Error('already logged in')
+    }
+
+    const res = await client.POST('/auth/register', {
+      body: { username, password, signupCode, email: null },
+      credentials: 'include',
+    })
+
+    if (!res.data) {
+      throw new Error('invalid credentials')
+    }
+
+    dispatchMessage('auth:registered', { ...res.data })
+  }
+
+  async logout() {
+    if (this.user == null) {
+      return
+    }
+
+    await client.DELETE('/auth/session', { credentials: 'include' })
+
+    dispatchMessage('auth:logged-out', null)
+  }
+}