A JavaScript development environment for Emacs https://indium.readthedocs.io
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.. NOTE:: If you already have installed ``Jade``, you should read the
:ref:`migration-from-jade` page first.
Indium supports ``Emacs 25.3+``, works with ``Chrome`` (debugging protocol
``v1.2``, see :ref:`chrome_requirements`) and ``NodeJS``, see
Indium works with ``js-mode``, ``js2-mode``, ``js2-jsx-mode`` and
``rjsx-mode``. It supports the ECMAScript features of the runtime it connects
Indium is available on `MELPA <https://melpa.org>`_, `MELPA Stable
.. _server_installation:
The Indium server
Indium needs to communicate with a small server for evaluation and debugging.
Install the server with the following command (prepend ``sudo`` on GNU/Linux):
npm install -g indium
Unless you are already using MELPA, you will have to setup ``package.el`` to use
MELPA or MELPA Stable repositories. You can follow `this documentation
You can install Indium with the following command: ::
M-x package-install [RET] indium [RET]
or by adding this bit of Emacs Lisp code to your Emacs initialization file
(``.emacs`` or ``init.el``): ::
(unless (package-installed-p 'indium)
(package-install 'indium))
If the installation doesn't work try refreshing the package list: ::
M-x package-refresh-contents [RET]
Manual installation
If you want to install Indium manually, make sure to install ``websocket.el``.
Obtain the code of Indium `from the repository
Add the following to your Emacs configuration: ::
;; load Indium from its source code
(add-to-list 'load-path "~/projects/indium")
(require 'indium)