nix-dotfiles/snippets/kakoune.nix

{ pkgs, ... }: {
  enable = true;
  defaultEditor = true;
  plugins = with pkgs.kakounePlugins;
    [ kak-fzf byline-kak kakboard auto-pairs-kak ];
  config = {
    colorScheme = "tomorrow-night";
    numberLines = {
      enable = true;
      highlightCursor = true;
    };
    showMatching = true;
    tabStop = 2;
    indentWidth = 2;
    hooks = [
        {
          name = "WinCreate";
          commands = "kakboard-enable";
          option = ".*";
        }
        {
          name = "BufCreate";
          commands = "set buffer filetype typst";
          option = ".*\.typ";
        }
        {
          # When the filetype=latex option is set in a buffer context (automatically), add a new hook to build the latex file on write
          name = "BufSetOption";
          option = "filetype=latex";
          commands = "hook buffer BufWritePost .* %{ texlab-build }";
        }
        {
          name = "BufSetOption";
          option = "filetype=typst";
          commands = "hook buffer BufWritePost .* %{ nop %sh{ typst compile $kak_buffile } }";
        }
        {
          # When the filetype=markdown option is set (automatically), set word wrap on
          name = "WinSetOption";
          option = "filetype=markdown";
          commands = "set-option window lintcmd \"proselint\"";
        }
        # {
        #   name = "BufSetOption";
        #   option = "filetype=markdown";
        #   commands = ''
        #     hook buffer BufWritePost .* %{ %sh{
        #       
        #     }  };
        #   '';
        # }
    ];
    keyMappings = [
      # Define select all
      {
        key = "a";
        mode = "user";
        effect = "*%s<ret>";
        docstring = "Select all";
      }
      # Define usermode yank/copy and paste
      {
        key = "y";
        mode = "user";
        effect = "<a-|> wl-copy<ret>";
      }
      {
        key = "p";
        mode = "user";
        effect = "<a-!> wl-paste -n<ret>";
      }
      {
        key = "P";
        mode = "user";
        effect = "! wl-paste -n<ret>";
      }
    ];
  };
  extraConfig = ''
    # highlight trailing whitespace
    add-highlighter global/trailing-whitespace regex '\h+$' 0:Error

    # don't remove trailing indent
    set global disabled_hooks .*-trim-indent
    source ${pkgs.writeText "kakoune-divider.kak" (builtins.readFile ./kakoune/divider.kak)}
    set-option global divider_face LineNumbers
    divider-on 80

    # byline enables extending selection with x
    require-module byline

    eval %sh{kak-lsp --kakoune -s $kak_session}
    lsp-enable
  '';
}