tunnelmole/src/websocket/connection-info.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

interface ConnectionInfo {
    isCli: boolean,
    isNpm: boolean,
    nodeVersion: string,
    tunnelmoleVersion?: string
}

export { ConnectionInfo }