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babashka-scittle-guestbook

Luminus Guestbook full stack app for babashka + scittle

With babashka installed, run bb guestbook.clj and a minimal Clojure web-abb opens up in your browser. Both front-end and back-end are only around 100 lines of code. Most useful for small or local web applications and learning purposes (i.e. is a good avocado project). Recommended babashka version is 0.4.6 or later.

Helpful comments from experts

Reddit user armincerf said, you can run

fswatch -o . | xargs -n1 -I {} osascript -e 'tell application "Google Chrome" to tell the active tab of its first window to reload'

in a separate terminal to refresh the page whenever you change a file. Doesn't work for changing the clj though.

Babashka creator borkdude explained: The example runs a web server using babashka which is a scripting environment for Clojure with instant startup. The HTML contains a script tag with a reference to a ClojureScript file, which is evaluated by sci, a Clojure interpreter. Babashka uses the same Clojure interpreter, but compiled on the JVM with GraalVM native-image. The project which integrates sci with script tags is called scittle. To reload server code you can use the babashka nrepl or socket REPL. To reload CLJS you can also open a developer console and call scittle.core.eval_script_tags() manually.

Github user brdloush: no dependency on Java or Node, no build process or aditional tools needed - just single native babashka binary. Uses Reagent wrapper around React, whose dev experience many find better than plain react. Small size, 237kb gzipped.

Note

This project uses clj-ajax, however in new projects it is recommended to use the fetch-api.