更新登录功能

src/api/token.ts

@@ -0,0 +1,39 @@
+const AUTH_EVENT = "auth-change"
+
+const TOKEN_KEY = "auth_token"
+const USER_KEY = "auth_user"
+
+export function readCookie(name: string): string | null {
+  const match = document.cookie.match(new RegExp(`(?:^|;\\s*)${name}=([^;]*)`))
+  return match ? decodeURIComponent(match[1]) : null
+}
+
+export function getUserToken(): string | null {
+  return localStorage.getItem(TOKEN_KEY)
+}
+
+export function getUserInfo<T = unknown>(): T | null {
+  const raw = localStorage.getItem(USER_KEY)
+  if (!raw) return null
+  try {
+    return JSON.parse(raw) as T
+  } catch {
+    return null
+  }
+}
+
+export function isAuthed(): boolean {
+  return getUserToken() !== null
+}
+
+export function setSession(token: string, userInfo: unknown) {
+  localStorage.setItem(TOKEN_KEY, token)
+  localStorage.setItem(USER_KEY, JSON.stringify(userInfo))
+  window.dispatchEvent(new Event(AUTH_EVENT))
+}
+
+export function clearSession() {
+  localStorage.removeItem(TOKEN_KEY)
+  localStorage.removeItem(USER_KEY)
+  window.dispatchEvent(new Event(AUTH_EVENT))
+}