is-stream

Detects all Node.js stream types, including readable, writable, duplex, transform, and HTTP-specific streams like IncomingMessage and OutgoingMessage, as detailed in the API section.

Accurately identifies streams to prevent runtime errors when passing values to stream-based APIs, ensuring safer handling of asynchronous data flows.

Follows the Unix philosophy with minimal dependencies and a focused scope, making it easy to integrate without bloat, as highlighted in the philosophy.

Optional checkOpen option allows detecting if streams are still open, adding an extra layer of safety for stream operations, as mentioned in the options.