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ClojureScript integration for Django

Project description

Transparent integration of ClojureScript in a Django project. Currently supports Leiningen and Figwheel, which means you can rely on Figwheel’s auto-refresh features during development.

This project is heavily inspired by the django-webpack-loader project, which has the similar goal of transparently including and using Webpack bundles in a Django project.

The integration with Leiningen is simplistic: information is read from the Leiningen project.clj file to determine which output bundles are available and where. This means that there is a tight coupling to the structure of the Leiningen project file – expect things to break if you have a really exotic project setup!


$> pip install django-cljs-loader



This repository contains one example application, have a look at that to see a working setup in action.

Some more advanced examples are on the way!


Only Leiningen projects are supported. With a project.clj file somewhere in your project, you can set the django-cljs loader up in your app settings.

It should look something like this:

from edn_format.edn_lex import Keyword

BASE_DIR = ...  # should point to the project root

STATIC_URL = '/static/'

    # where to find the Leiningen project file
    'PROJECT_FILE': os.path.join(BASE_DIR, 'project.clj'),

    # If True, tries to load JS files from the Figwheel dev server.
    # Set to False in production mode.
    'FIGWHEEL': True,

    # Which cljs build (defined in the project.clj file) to use.
    # Change this for production.
    'CLJS_BUILD': Keyword('dev'),

    # The root folder for assets built by Leiningen.
    # In development mode, this matches the Figwheel root.
    'ROOT': 'assets/public',

# Add the folder where cljsbuild output lands as a source directory for the
# staticfiles app. This assumes you are using the staticfiles app.
    os.path.join(BASE_DIR, CLJS_LOADER['ROOT']),

Where you put the ClojureScript source files is up to you - assets/cljs is one possibility. See the example projects.

Template tag

Use the render_bundle template tag to hook the compiled ClojureScript bundle into your application. It will insert a script tag and call the main function you have defined in the Leiningen project file.

{% load render_bundle from cljs_loader %}
  {% render_bundle %}


Open a second terminal and run lein figwheel. Alternatively, launch a REPL and do (fig-start). The JavaScript bundle will be loaded from the Figwheel development server.


Assuming you have a cljsbuild profile called prod:

$> lein cljsbuild once prod

The compiled bundle that is produced by lein cljsbuild can be collected with python collectstatic, or whichever your preferred method of including production assets is.

The render_bundle template tag does not need to change.


You can run the test suite in the tests folder with the following command:

$> make test

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