@mikkel-ol/tunnelmole/src/logging/log.ts

Tunnelmole, an open source ngrok alternative. Instant public URLs for any http/https based application. Available as a command line application or as an NPM dependency for your code. Stable and maintained. Good test coverage. Works behind firewalls

export default async function log(
  message: string,
  level: "info" | "warning" | "error" = "info",
) {
  switch (level) {
    case "info":
      if (process.env.TUNNELMOLE_DEBUG === "1") {
        console.info(message);
      }
      break;
    case "warning":
      console.warn(message);
      break;
    case "error":
      console.error(message);
      break;
    default:
      console.info(message);
      break;
  }
}