feat: MC Report System - MySQL + Express + Vanilla JS SPA

public/js/auth.js

@@ -0,0 +1,30 @@
+const Auth = {
+  TK: 'mc_token',
+  US: 'mc_user',
+
+  token() { return localStorage.getItem(this.TK); },
+  user() { try { return JSON.parse(localStorage.getItem(this.US)); } catch { return null; } },
+  logged() { return !!this.token(); },
+
+  async login(username, password) {
+    const d = await API.post('/auth/login', { username, password });
+    localStorage.setItem(this.TK, d.token);
+    localStorage.setItem(this.US, JSON.stringify(d.user));
+    return d.user;
+  },
+
+  async register(data) {
+    return API.post('/auth/register', data);
+  },
+
+  logout() {
+    localStorage.removeItem(this.TK);
+    localStorage.removeItem(this.US);
+    location.hash = '#/login';
+  },
+
+  role(...r) { const u = this.user(); return u && r.includes(u.role); },
+  isStaff() { return this.role('owner', 'admin'); },
+  isAdmin() { return this.role('owner', 'admin'); },
+  isOwner() { return this.role('owner'); },
+};