Function createTunnel

app/scripts/dev-tunnel.ts:4–29

(options: { subdomain: string; url: string })

import localtunnel from "localtunnel";

const createTunnel = (options: { subdomain: string; url: string }): Promise<never> => {
  return new Promise<never>((resolve, reject) => {
    localtunnel({
      port: 3000,
      subdomain: options.subdomain,
    })
      .then((tunnel) => {
        console.log(`Tunnel Opened: ${tunnel.url}`);
        if (tunnel.url !== options.url) {
          tunnel.close();
          return reject(`URL Mismatch: Expected ${options.url}, got ${tunnel.url}`);
        }

        tunnel.on("error", (err: Error) => {
          reject(`Tunnel Error: ${err.message}`);
        });

        tunnel.on("close", () => {
          reject("Tunnel Closed");
        });
      })
      .catch((err: Error) => {
        reject(`Failed to open tunnel: ${err.message}`);
      });
  });
};

if (!process.env.LOCAL_HOST_PUBLIC_URL) {
  throw new Error("LOCAL_HOST_PUBLIC_URL must be set");