There's a lot of good points and questions here. Let me try to address them.
First, The Getting Started link in the blog post was incorrect. Here's the correct link:
https://github.com/Moddable-OpenSource/ ... es/pico.md
Once big question is whether a REPL is supported for interactive scripting. The short answer is "yes, there's a REPL!". The longer answer addresses some other questions along the way.
about using it. But it is there and it works.
is "just" an application that reads terminal input, calls eval, and outputs the result to the terminal. There is a REPL app
We hadn't made bringing up the REPL example on Pico a priority. We've been focused on fundamental IO. Since this discussion thread raised the topic, I did some work yesterday and this morning to get the REPL working on Pico. Here's a little demo video.
I need to do some clean up before committing it so everyone can try. After that, I'lll try to make a video that does a bit more.