Merge pull request #198 from Donnerinoern/language/markdown

Language/markdown: Added LSP and fixed Glow not working

docs/release-notes/rl-0.6.md

@@ -25,3 +25,7 @@ Release notes for release 0.6
 [donnerinoern](https://github.com/donnerinoern):
 
 - Added Gruvbox theme
+
+- Added marksman LSP for Markdown
+
+- Fixed Markdown-previewer Glow not working and added an option for changing the preview keybind

modules/languages/markdown/config.nix

@@ -4,9 +4,29 @@
   lib,
   ...
 }: let
-  inherit (lib) nvim mkIf mkMerge;
+  inherit (lib) nvim mkIf mkMerge mkBinding isList;
 
   cfg = config.vim.languages.markdown;
+  self = import ./markdown.nix {
+    inherit lib config pkgs;
+  };
+  mappings = self.options.vim.languages.markdown.glow.mappings;
+  servers = {
+    marksman = {
+      package = pkgs.marksman;
+      lspConfig = ''
+        lspconfig.marksman.setup{
+          capabilities = capabilities;
+          on_attach = default_on_attach;
+          cmd = ${
+          if isList cfg.lsp.package
+          then nvim.lua.expToLua cfg.lsp.package
+          else ''{"${cfg.lsp.package}/bin/marksman", "server"}''
+        },
+        }
+      '';
+    };
+  };
 in {
   config = mkIf cfg.enable (mkMerge [
     (mkIf cfg.treesitter.enable {
@@ -18,13 +38,21 @@ in {
     (mkIf cfg.glow.enable {
       vim.startPlugins = ["glow-nvim"];
 
-      vim.globals = {
-        "glow_binary_path" = "${pkgs.glow}/bin";
-      };
+      vim.maps.normal = mkMerge [
+        (mkBinding cfg.glow.mappings.openPreview ":Glow<CR>" mappings.openPreview.description)
+      ];
 
-      vim.configRC.glow = nvim.dag.entryAnywhere ''
-        autocmd FileType markdown noremap <leader>p :Glow<CR>
+      vim.luaConfigRC.glow = nvim.dag.entryAnywhere ''
+        require('glow').setup({
+          glow_path = "${pkgs.glow}/bin/glow"
+        });
       '';
     })
+
+    (mkIf cfg.lsp.enable {
+      vim.lsp.lspconfig.enable = true;
+
+      vim.lsp.lspconfig.sources.markdown-lsp = servers.${cfg.lsp.server}.lspConfig;
+    })
   ]);
 }

modules/languages/markdown/markdown.nix

@@ -4,17 +4,40 @@
   lib,
   ...
 }: let
-  inherit (lib) mkEnableOption mkOption types nvim;
+  inherit (builtins) attrNames;
+  inherit (lib) mkEnableOption mkMappingOption mkOption types nvim isList;
 
   cfg = config.vim.languages.markdown;
+  defaultServer = "marksman";
+  servers = {
+    marksman = {
+      package = pkgs.marksman;
+      lspConfig = ''
+        lspconfig.marksman.setup{
+          capabilities = capabilities;
+          on_attach = default_on_attach;
+          cmd = ${
+          if isList cfg.lsp.package
+          then nvim.lua.expToLua cfg.lsp.package
+          else ''{"${cfg.lsp.package}/bin/marksman", "server"}''
+        },
+        }
+      '';
+    };
+  };
 in {
   options.vim.languages.markdown = {
     enable = mkEnableOption "Markdown markup language support";
 
-    glow.enable = mkOption {
-      type = types.bool;
-      default = true;
-      description = "Enable markdown preview in neovim with glow";
+    glow = {
+      enable = mkOption {
+        type = types.bool;
+        default = true;
+        description = "Enable markdown preview in neovim with glow";
+      };
+      mappings = {
+        openPreview = mkMappingOption "Open preview" "<leader>p";
+      };
     };
 
     treesitter = {
@@ -26,5 +49,22 @@ in {
       mdPackage = nvim.types.mkGrammarOption pkgs "markdown";
       mdInlinePackage = nvim.types.mkGrammarOption pkgs "markdown-inline";
     };
+
+    lsp = {
+      enable = mkEnableOption "Enable Markdown LSP support" // {default = config.vim.languages.enableLSP;};
+
+      server = mkOption {
+        description = "Markdown LSP server to use";
+        type = with types; enum (attrNames servers);
+        default = defaultServer;
+      };
+
+      package = mkOption {
+        description = "Markdown LSP server package, or the command to run as a list of strings";
+        example = ''[lib.getExe pkgs.jdt-language-server " - data " " ~/.cache/jdtls/workspace "]'';
+        type = with types; either package (listOf str);
+        default = servers.${cfg.lsp.server}.package;
+      };
+    };
   };
 }