Export stdout/stderr writers from render.

[milesj]

@vadimdemedes

I've run into an instance where I need to write to process.stdout/stderr directly, but I don't want to break Ink, and it's currently not possible outside of using console (and its patching).

This is a simple change that simply re-exports the stdout/err writers from the Ink instance.

[vadimdemedes]

Could you share the use case when it's necessary? Curious when people would need this, since it replaces Ink's output just for one frame.

[milesj]

@vadimdemedes It's been a while since I posted this but I think this was the problem.

Currently, I need access to stdout/stderr, and the only way to do that is through the React layer where I bubble the streams back up, as seen here: https://github.com/milesj/boost/blob/master/packages/cli/src/components/internal/LogWriter.ts#L10

I basically want to avoid waiting for React render to access these, and just access them directly off of render() here: https://github.com/milesj/boost/blob/master/packages/cli/src/Program.ts#L284

[vadimdemedes]

Thanks for the reply despite the old thread!

I see that you have patchConsole: true in your Ink options (https://github.com/milesj/boost/blob/master/packages/cli/src/Program.ts#L301). Is there a reason why you can't use console.log or console.error?

[milesj]

I think it was to avoid the patching overhead and just write to the stream directly. I wanted it as fast as possible.

[vadimdemedes]

The overhead of patching is pretty minimal, see https://github.com/vadimdemedes/patch-console/blob/master/source/index.ts.

Going to close this for now, since it's a pretty narrow use case and I'm not sure I'd want to expose additional APIs for something that Ink supports already.