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Clojure[script] automatically generated interactive documentation.

codox is a great tool for generating API documentation from Clojure or ClojureScript source code.

With the klipse theme for codox, you can make your codox documentation live and interactive powered by the KLIPSE plugin.

In addition to words that describe your functions, now you can add interactive code examples. It will be much easier for your users to understand how to use your functions.



You must use codox version above 0.10.3.

The prerequesite is that your library is either:

  • A clojurescript library
  • A portable clojure library that uses reader conditionals

Add codox and codox-klipse-theme to your dev-dependencies in project.clj:

Clojars Project

{:dependencies [[viebel/codox-klipse-theme "0.0.5"]]
 :plugins [[lein-codox "0.10.3"]]}

And add the following settings to the :codox map.

Lets' say your github user is my_user and your repo is my_repo, with namespace my_repo.my_ns with a function my_func, then add the following options to :codox:

 :codox {:metadata {:doc/format :markdown}
         :output-path "docs"
         :themes [:default [:klipse
          "(ns my.test
          (:require [my_repo.my_ns :as my_ns :refer [my_func]]))"}]]

And in the docstring of my_ns/my_func, add the code examples like this:

(my_func 1 2 3)

(~~~klipse creates a code block with class="klipse".)


  • The :klipse/external-libs option lets KLIPSE know where to look for your source code in order to evaluate it in the browser.
  • The :klipse/require-statement option contains a string to create the namespace where the code from your documentation is going to run. KLIPSE will create a hidden code snippet with this require code.
  • It is not mandatory to use :markdown but it is much easier. Feel free to open an issue if you need support for other formats.


Take a look at how it is done in the gadjett library:

Performances and caching

Retrieving the sources of your lib at run-time slows down the documentation page load - especially if your lib creates a lot of macros.

A solution to that is to cache your namespaces.

Here is how it works:

1. create the cached namespaces

Here is how to create the cached namespaces for my_repo.my_ns with lumo and store them under docs/cache-cljs

lumo -k docs/cache-cljs -c`lein classpath` -e "(require 'my_repo.my_ns)"

Be patient: It might take a couple of seconds to generate all the cached namespaces....

1. configure the cached namespaces in klipse

Now you need to tell klipse what namespaces are cached and what is the cached location (instead of :klipse/external-libs:

 :codox {:metadata {:doc/format :markdown}
         :output-path "docs"
         :themes [:default [:klipse
         :klipse/cached-macro-ns-regexp #"/my_repo\..*/" ; pay attention the regexp is expressed as a string wrapped in //
         :klipse/cached-ns-regexp #"/my_repo\..*/" ; pay attention the regexp is expressed as a string wrapped in //
         :klipse/bundled-ns-ignore-regexp #"/my_repo\..*/" ; pay attention the regexp is expressed as a string wrapped in //		 
         :klipse/cached-ns-root "./cache-cljs"
          "(ns my.test
          (:require [my_repo.my_ns :as my_ns :refer [my_func]]))"]]

The reason we use regexps is that your lib might depend on other libs that are also cached. In this case you will need have:

         :klipse/cached-ns-regexp #"/my_repo\..*/|other_repo\..*"


Automatically genererated interactive documentation for clojure[script] - Klipse theme for codox







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