Editor Modes for Nix Files

Nix language has decent syntax highlighting (SH) support among popular code editors, but refactoring/autocomplete is still rare. Below is a list of editor modes for Nix syntax.

Emacs

Vim

rnix-lsp

rnix-lsp on github

instructions are in the readme

vim-addon-nix

This plugin supports syntax highlighting and simple syntax and undeclared variable checking.

vim-addon-nix on github

Usage with VAM package manager:

{ # /etc/nixos/configuration.nix
  environment.systemPackages = [
    (pkgs.vim_configurable.customize {
      name = "vim";
      vimrcConfig.vam.pluginDictionaries = [
        # vim-nix handles indentation better but does not perform sanity
        { names = [ "vim-addon-nix" ]; ft_regex = "^nix\$"; }
      ];
    })
  ];
}

vim-nix

vim-nix *only* supports syntax-highighting.

vim-nix on github

Usage with vim package manager:

{ # /etc/nixos/configuration.nix
  environment.systemPackages = [
    (pkgs.vim_configurable.customize {
      name = "vim";
      vimrcConfig.packages.myplugins = with pkgs.vimPlugins; {
        start = [ vim-nix ]; # load plugin on startup
      };
    })
  ];
}