in sample/authui/src/app/app.component.ts [84:98]
public getAuth(apiKey: string, tenantId: string | null): Auth {
let auth = null;
if (apiKey !== this.config.apiKey) {
throw new Error('Invalid project!');
}
try {
auth = getAuth(getApp(tenantId || undefined));
// Tenant ID should be already set on initialization below.
} catch (e) {
const app = initializeApp(this.config, tenantId || '[DEFAULT]');
auth = getAuth(app);
auth.tenantId = tenantId || null;
}
return auth;
}