Handle terminal already running command / multiple terminals

[dantswain]

Hi! This extension is super handy!

This is just a small improvement suggestion - I'm not familiar with extension development so I'm not sure how difficult it would be.

Use case

I often have two terminal panes open, and one of them is often already running a command - iex, psql, etc. I'm not sure how this plugin chooses which terminal to use (first, maybe?) but if I execute any of the "run test" commands, it has a chance to try to inject the mix test ... command into my running application.

Suggested changes

• It would probably be a good idea to have the extension refuse to insert text into a terminal pane when that terminal pane is already running a command (other than the shell). One can imagine potentially disastrous scenarios where commands are executed in unexpected environments.
• If more than one terminal is open, perhaps loop through the open terminals until a "valid candidate" (i.e., not running another command already) is found.

[samuelpordeus]

I honestly don't know how difficult it would be 😅 – but the suggestion seems reasonable to me. If anyone is interested feel free to do it.

[msramos]

@dantswain unfortunatelly VSCode does not provide and API to detect if the terminal is running a command or not, so I'm afraid it's not possible to do this.