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iex-mode

This is a simple comint wrapper around IEx.

Installation

Just drop the file to the load-path or use one of the methods below.

quelpa

(quelpa
 '(iex-mode
   :fetcher git
   :url "https://git.sr.ht/~sokolov/iex-mode"))

Setup

use-package+quelpa-use-package

Setup and installation together.

(use-package iex-mode
  :quelpa (iex-mode :fetcher git :url "https://git.sr.ht/~sokolov/iex-mode")
  :bind
  (:map elixir-mode-map
    ("C-c x i" . iex-run)
    ("C-c x p" . iex-run-script)))

use-package

(use-package iex-mode
  :after elixir-mode
  :bind
  (:map elixir-mode-map
    ("C-c C-z" . iex-run)))

(use-package iex-mode
  :after projectile
  :config
  (defadvice projectile-run-project
      (around projectile-run-iex (fn arg))
    (if (eq 'elixir (projectile-project-type))
        (iex-run-script
         (projectile-project-root)
         (read-shell-command "iex> " "iex -S mix"))
      (funcall fn arg))))

Usage

You can run iex in the directory of current buffer with M-x iex-run.

You can also run iex -S mix in the project root with M-x iex-run-script.

In both cases you can edit the exact command to run.