nats-example/index.ts

import { connect } from "nats";

const NATS_SERVER = process.env.NATS_SERVER || "nats://localhost:4222";
const NATS_AUTH_TOKEN = process.env.NATS_AUTH_TOKEN || "s3cr3t";

console.log(
  `Connecting to NATS at ${NATS_SERVER} with token ${NATS_AUTH_TOKEN}`
);

const nc = await connect({ servers: NATS_SERVER, token: NATS_AUTH_TOKEN });
console.log("Connected to NATS");

const sub = nc.subscribe("test");

console.log("Subscribed to [test], waiting for messages...\n");

for await (const msg of sub) {
  console.log(
    `Received message [${msg.subject} - ${msg.sid}]: ${msg.data.toString()}`
  );
}