A simple formatter for Nix using tree-sitter-nix.
Submit bugs by adding PRs for files that fail and adding the input to tests.
Please read this post to understand how to consume Node projects: https://github.com/justinwoo/my-blog-posts/blob/master/posts/2019-05-14-consuming-node-projects-for-nix-users.md
Get PureScript and Spago.
# never use 'sudo' with npm.
> npm set prefix ~/.npm
> npm install
# install purescript and spago in some way
# e.g. github.com/justinwoo/easy-purescript-nix
# or if you're feeling lucky, npm i -g purescript spago
> spago install
> npm run mkbin
> npm link
# update requires mkbin run again
> npm run mkbin
> format-nix test/build.nix
formatted test/build.nix.
See the example output from the tests here: test/output.nix
Try putting this in your init.el or wherever:
(defun run-format-nix ()
"run format-nix"
(interactive)
(let* ((command (format "cd %s && format-nix %s" (projectile-project-root) buffer-file-name))
(results "*FORMAT-NIX STDOUT*")
(errors "*FORMAT-NIX ERRORS*"))
(shell-command command results errors)
(if (get-buffer errors)
(progn
(with-current-buffer errors
(message (string-trim (buffer-string))))
(kill-buffer errors))
(progn
(with-current-buffer results
(message (string-trim (buffer-string))))
(kill-buffer results)
;; note this just reverts the buffer so save your files first.
(revert-buffer t t t)))))
;; if you use evil mode, otherwise add your own bindings
(general-define-key
:keymaps 'normal
"SPC m p n" 'run-format-nix)This project is now also a PureScript library, although a very small one. To use this, please match installations of your npm dependencies to the declared dependencies in package.json, e.g.
Lines 16 to 19 in 105a192
{
// ...
"dependencies": {
"tree-sitter": "^0.15.1",
"tree-sitter-nix": "github:cstrahan/tree-sitter-nix#791b5ff0e4f0da358cbb941788b78d436a2ca621"
},
// ...
}