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Brewing CIDER: It Starts with an Orchard
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Bozhidar Batsov
December 04, 2018
Programming
3
200
Brewing CIDER: It Starts with an Orchard
Slide-deck from my presentation at ClojureX 2018 in London.
Bozhidar Batsov
December 04, 2018
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Transcript
M-x
M-x greet-audience
Clojure 1.10-RC3
async-require -> serialized-require
None
4
None
None
None
Clojure X 2015
None
Божидар
Bug cool
None
None
We’re not hiring!
None
None
@bbatsov
The CIDER Guy
None
Clojure Interactive Development Environment that Rocks
… for Emacs
None
None
metaredux.com
emacsredux.com
The nREPL Guy
A Good Year for CIDER
None
ClojureX Clojurists Together
CIDER 0.17 (Andalucia)
• Display images in the REPL • Support for shadow-cljs
• Support for the clojure-cli tools (clj/deps.edn) • Support for test selectors (run a subset of tests) • A brand new profiler (M-x cider-profile-toggle) • cider-eval-last-sexp-in-context
CIDER 0.18 (Saigon)
New connection management system
https://github.com/vspinu/sesman
Session Manager
Massive overhaul of CIDER’s internals
Hasta la vista, cider-interaction.el!
Massive overhaul of keybindings
C-c M-j -> C-c C-x j j
None
C-c C-x j j C-c C-x j s C-c C-x
j m C-c C-x c j C-c C-x c s C-c C-x c m C-c C-x s j C-c C-x s s
Decoupled CIDER releases from cider-nrepl releases
CIDER 0.19
None
An Amazing Year for nREPL
Start of migration out of Clojure Contrib
nREPL 0.4
•New artefact id (org.clojure/tools.nrepl -> nrepl/nrepl) •New namespace (clojure.tools.nrepl.* ->
nrepl.*) •Support for hot-loading dependencies •Support for clj •Many bug-fixes
https://metaredux.com/posts/2018/10/29/nrepl-redux.html
nREPL 0.5
https://nrepl.xyz
None
•Native support for pretty-printing results •Global and local configuration files
•Improved built-in REPL experience •Many bug-fixes
slide intentionally left blank
25% 5% 70% Yes Maybe I already have Notepad No
Do you want great Clojure development tools?
69% 25% 5% 1% Yes Maybe I already have Notepad
No Are you willing to work on Clojure development tools?
None
None
None
Brewing cider: It starts with an ORCHARD
CIDER’s Architecture
None
None
None
None
Heart of the Orchard
nREPL
None
Created especially for REPL- powered tooling
Extremely flexible
Transports •bencode (default) •tty (built-in) •http(s) (via Drawbridge) •transit (via
Fastlane) •EDN (coming soon)
Piggieback
cider-nrepl
Middleware for interactive programming environments
Thin wrapper around (many) nREPL-agnostic libraries
compliment
orchard
cljs-tooling
•cider-nrepl -> orchard-nrepl •cljs-tooling -> orchard-cljs
Naming is hard!
Mr. Anderson
There’s a lot going on here!
And we haven’t mentioned a single Emacs library…
None
•nREPL •cider-nrepl •piggieback •compliment •orchard •cljs-tooling •Mr. Anderson
Periphery of the Orchard
cljfmt
tools.reader
profile
java.classpath
tools.namespace
tools.trace
sayid
clj-refactor
refactor-nrepl
squiggly-clojure
None
None
None
• cljfmt • profile • java.classpath • tools.namespace • tools.trace
• tools.reader • sayid • clj-refactor/refactor-nrepl • squiggly-clojure
The Big Picture
CCW (Eclipse)
Proto REPL (Atom)
Calva (VS Code)
vim-fireplace
vim-iced
Cursive (IntelliJ)
Clojure’s Orchard
Future of the Orchard
None
None
Hegemony
Hegemony > Monopoly
Sustainable
Community Driven
Funded?
$4000
Consolidation
tools.trace -> sayid
None
Replace Contrib Projects
(or kill Clojure Contrib)
Open Source is not about You
CIDER is all about YOU!!!
Help CIDER…
…to help yourselves
Felina
Resources • https://metaredux.com/posts/2018/10/29/nrepl-redux.html • https://metaredux.com/posts/2018/11/09/ciders-orchard- the-heart.html • https://metaredux.com/posts/2018/11/11/ciders-orchard- the-periphery.html •
https://www.youtube.com/watch?v=4X-1fJm25Ww
Credits twitter: @bbatsov github: @bbatsov https://metaredux.com https://emacsredux.com ClojureX 2018 London,
United Kingdom 03.12.2018