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- # announcements (71)
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- # sci (1)
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Online terminal REPL implemented with xterm.js + the small clojure interpreter: https://babashka.org/xterm-sci/ source: https://github.com/babashka/xterm-sci I'm sure there are a few input/output handling edge cases. Feel free to follow up in #sci. Thanks to @plexus for the idea.
thanks. From what I read it seems that I could implement a scripting terminal to my clojure / java app and expose the internals (spring beans, etc) ? Use cases would be - level 3 support, changing app behavior at runtime or doing one off scripts that are not yet exposed via api
@: Regarding your use case: can I load clojurescript libraries dinamically in the terminal running in my browser ?
@ Not like that. Right now you would have to compile your library along and connect it into the sci options: https://github.com/borkdude/sci And then host it somewhere.
But there is also babashka.nrepl which can be used to expose an nREPL server to your sci environment.
thanks, I love that about it. I was looking for a language that is safe to embed in an back-end app to expose internal services for maintenance operations not yet implemented in API
I will check that one up as awell, thanks. I would like to offer my appreciation for your help with clojure and in general. You are awesome and if you ever think I can help, just let me know.
but it's still possible to craft examples that will run for a long time - we haven't quite solved that problem https://github.com/borkdude/sci/issues/348#issuecomment-692985383
a solution would be to run this within a thread and just kill the thread after some timeout
have you looked at web assembly? I don't know if it makes any sense (just started reading about it). https://dzone.com/articles/webassembly-threads-in-firefox WebAssembly works in most modern browsers> Not sure if clojurescript could be made to work with web assembly (don't know about garbacge collection). But if it can, we can have a very powerfull clojre / clojurescript experience .
The execution length problem is more or less only a problem for scripts you don't control
🙂 for running things in browser yes, but for using sci on back-end via xterm.js ...
JS can call functions in WebAssembly and web Assemly can call JS so there is a lot of room for how to do that
I'll look into it when I have a more concrete use case. Right now I'm just exploring WebAssembly. They do have an open spec for GC https://github.com/WebAssembly/proposals/issues/16 and a v1 implementation https://github.com/WebAssembly/gc . I think it would be worth exploring having a clojure version on web assembly once GC is in place.
The concrete use case for this is interpreting scripts from other users in something like https://github.com/athensresearch/athens
I'm a bit ashamed to admin it's not clear what Athens does. I've looked at the github page and some other docs and as a new commer I have no idea what it does. Does it make beer 😄?
I just read the description of Roam and I think I understand what it does. I've been looking for something like this to start a journal 🙂 . I'll check it out
btw, WebAssembly source looks very much like a LISP https://github.com/WebAssembly/threads/blob/master/proposals/threads/Overview.md . https://developer.mozilla.org/en-US/docs/WebAssembly/Understanding_the_text_format
I'm curios about that. I'm working to grow a clojure company and I'm looking for an intranet tool. Not sure if Athens fits this profile yet.
I think the important things that are still missing are persistence and an authorization layer. So probably not a good fit yet, if that’s not the core of your product at least
The original use case for this (and one we may still pursue) is to add a drop down repl to lambda island, and to offer various features and customizations over time via the repl
@plexus Made various improvements to the babashka/xterm-sci. Single quotes work. Pasting multiple sexprs. Dealing with incomplete input. Println, prn, pr, etc.
Roam allows arbitrary css, js, html, and even some hiccup and datalog. This is fun because it opens up user customization and programmable apps. But it's of course not as secure! This is why JS execution in Roam has this UI https://roamresearch.com/#/app/help/page/3l_9j6aAv
My hope is that Athens will have a plugin system that is both powerful (arbitrary code), but also safe, so something like sci would be great. But it's not a priority atm. hope that helps @
@ I think the warning is great. Even with sci we cannot guarantee the length of execution time currently, but maybe allowing users to flag scripts as malicious or something would help in that regard.
JDK 15 general availability https://mail.openjdk.java.net/pipermail/announce/2020-September/000291.html
https://www.techgeeknext.com/java/java15-features I'll probably look at 12/13/14 too as I didn't follow those either as I only am interested in lts versions. Not sure if they are rolled up or not.
I know we won't see clojure using this for a long time, but anonymous classes seem like they might be really handy https://openjdk.java.net/jeps/371
There are some interesting projects in JVM / JDK land. Loom and Valhalla are probably the most interesting https://openjdk.java.net/projects/loom/
So the latest version is the best supported version - LTS is arbitrary based on whatever companies want to do with regards to paid support
Yes and no - eg. on AWS it’s nice to know that Amazon will apply security fixes to Coretto for a long time.
Well, "officially support" is open to interpretation. Clojure itself is tested against 8, 9, 10, 11 right now (Oracle and OpenJDK versions) per https://build.clojure.org/job/clojure-test-matrix/
I’m pleased to announce Fulcro 3.3.0. This release has a few new tools that make hot code reload even better. In prior versions a change to a query when using dynamic queries would not be properly seen if nested. This new version provides a function you can call as part of your hot reload refresh that will scan for changes like that and fix them. https://github.com/fulcrologic/fulcro http://book.fulcrologic.com/#_hot_code_reload_and_dynamic_queries