const cloudbase = require("@cloudbase/node-sdk");

// 1. Initialize SDK.
const app = cloudbase.init({
  env: "your-env-id",
  // Pass custom login private key.
  credentials: require("/path/to/your/tcb_custom_login.json")
});

// 2. Developer-defined unique user identifier.
const customUserId = "your-customUserId";

// 3. Create a ticket.
const ticket = app.auth().createTicket(customUserId);

// 4. Return the ticket to the client.
return ticket;

import cloudbase from '@cloudbase/js-sdk';

const app = cloudbase.init({
  env: 'your-env-id'
});

const auth = app.auth();

async function login(){
  const loginState = auth.hasLoginState();
  // 1. It is recommended to check whether you are already logged in before logging in.
  if(!loginState){
    // 2. Request the developer's service API to obtain the ticket.
    await auth.setCustomSignFunc(() => {
      // Get and return the ticket.
      return Promise.resolve(/* ticket */);
    })
    // 3. Log in to CloudBase.
    await auth.signInWithCustomTicket();
  }
}

login();