neovim: add vale & ltex-lsp

outputs/pkgs/ook-vim/modules/plugins/languages/default.nix

@@ -0,0 +1 @@
+{imports = [./markdown.nix];}

outputs/pkgs/ook-vim/modules/plugins/languages/markdown.nix

@@ -0,0 +1,135 @@
+# modules/plugins/vale/default.nix
+{
+  config,
+  pkgs,
+  lib,
+  ...
+}: let
+  inherit (lib.options) mkOption mkEnableOption;
+  inherit (lib.modules) mkIf mkMerge;
+  inherit (lib.types) package enum str;
+
+  languages = [
+    "auto"
+    "ar"
+    "ast-ES"
+    "be-BY"
+    "br-FR"
+    "ca-ES"
+    "ca-ES-valencia"
+    "da-DK"
+    "de"
+    "de-AT"
+    "de-CH"
+    "de-DE"
+    "de-DE-x-simple-language"
+    "el-GR"
+    "en"
+    "en-AU"
+    "en-CA"
+    "en-GB"
+    "en-NZ"
+    "en-US"
+    "en-ZA"
+    "eo"
+    "es"
+    "es-AR"
+    "fa"
+    "fr"
+    "ga-IE"
+    "gl-ES"
+    "it"
+    "ja-JP"
+    "km-KH"
+    "nl"
+    "nl-BE"
+    "pl-PL"
+    "pt"
+    "pt-AO"
+    "pt-BR"
+    "pt-MZ"
+    "pt-PT"
+    "ro-RO"
+    "ru-RU"
+    "sk-SK"
+    "sl-SI"
+    "sv"
+    "ta-IN"
+    "tl-PH"
+    "uk-UA"
+    "zh-CN"
+  ];
+
+  cfg = config.vim.languages.markdown;
+in {
+  options.vim.languages.markdown = {
+    vale = {
+      enable = mkEnableOption "Vale linting support";
+      package = mkOption {
+        type = package;
+        default = pkgs.vale.withStyles (styles: [
+          styles.proselint
+          styles.microsoft
+          styles.write-good
+          styles.readability
+          styles.alex
+        ]);
+        description = "Vale package to use";
+      };
+    };
+    ltex = {
+      enable = mkEnableOption "Enable ltex-ls";
+      package = mkOption {
+        type = package;
+        default = pkgs.ltex-ls;
+      };
+      language = mkOption {
+        type = enum languages;
+        default = "en";
+      };
+      modelPath = mkOption {
+        type = str;
+        default = "~/.config/nvf/models/ngrams/";
+      };
+    };
+  };
+
+  config = mkMerge [
+    (mkIf cfg.vale.enable {
+      vim.lsp.null-ls = {
+        enable = true;
+        sources.vale-lint =
+          # lua
+          ''
+            table.insert(
+              ls_sources,
+              null_ls.builtins.diagnostics.vale.with({
+                command = "${cfg.vale.package}/bin/vale",
+                diagnostics_format = "#{m} [#{c}]"
+              })
+            )
+          '';
+      };
+    })
+    (mkIf cfg.ltex.enable {
+      vim.lsp.lspconfig.enable = true;
+      vim.lsp.lspconfig.sources.ltex-lsp =
+        # lua
+        ''
+          lspconfig.ltex.setup{
+            cmd = {"${cfg.ltex.package}/bin/ltex-ls"},
+            capabilities = capabilities;
+            on_attach = default_on_attach;
+            settings = {
+              ltex = {
+                language = "${cfg.ltex.language}",
+                additionalRules = {
+                  languageModel = "${cfg.ltex.modelPath}",
+                },
+              },
+            },
+          }
+        '';
+    })
+  ];
+}