feat(nixvim): Add mdformat

common/home-manager/nixvim/lsp.nix

@@ -29,6 +29,8 @@
           enable = true;
           extraOptions.on_init.__raw = ''
             function(client)
+              client.server_capabilities.documentFormattingProvider = false
+              client.server_capabilities.documentRangeFormattingProvider = false
               client.handlers['tsserver/request'] = function(_, result, context)
                 local clients = vim.lsp.get_clients({ bufnr = context.bufnr, name = 'vtsls' })
                 if #clients == 0 then
@@ -59,6 +61,12 @@
     typescript-tools = {
       enable = true;
       settings = {
+        on_attach.__raw = ''
+          function(client)
+            client.server_capabilities.documentFormattingProvider = false
+            client.server_capabilities.documentRangeFormattingProvider = false
+          end
+        '';
         filetypes = [ "javascript" "typescript" "vue" ];
         settings = {
           single_file_support = false;

common/home-manager/nixvim/none-ls.nix

@@ -1,10 +1,15 @@
-{ ... }: {
+{ pkgs, ... }: {
   programs.nixvim.plugins.none-ls = {
     enable = true;
     sources = {
       formatting = {
         black.enable = true;
         dart_format.enable = true;
+        mdformat = {
+          enable = true;
+          package = pkgs.mdformat.withPlugins
+            (packages: with packages; [ mdformat-tables ]);
+        };
         nixfmt.enable = true;
         xmllint.enable = true;
       };