Add diagnostics plugin and icons to Neovim configuration

hosts/totsugeki/home-manager/development/nixvim/default.nix

@@ -7,6 +7,7 @@
     ./none-ls.nix
     ./treesitter.nix
     ./telescope.nix
+    ./trouble.nix
   ];
   programs.nixvim = {
     enable = true;

hosts/totsugeki/home-manager/development/nixvim/lsp.nix

@@ -1,7 +1,21 @@
-{ pkgs, ... }: {
+{ ... }: {
   programs.nixvim.plugins = {
     lsp = {
       enable = true;
+      keymaps.lspBuf."<leader>ca" = "code_action";
+      luaConfig.post = ''
+        local signs = {
+            Error = "",
+            Warn = "",
+            Hint = "",
+            Info = ""
+        }
+
+        for type, icon in pairs(signs) do
+            local hl = "DiagnosticSign" .. type
+            vim.fn.sign_define(hl, {text = icon, texthl = hl, numhl = hl})
+        end
+      '';
       servers = {
         cssls.enable = true;
         dartls.enable = true;

hosts/totsugeki/home-manager/development/nixvim/neo-tree.nix

@@ -1,11 +1,9 @@
 { ... }: {
   programs.nixvim = {
-    keymaps = [
-      {
+    keymaps = [{
       action = "<cmd>Neotree toggle<CR>";
       key = "<leader>fi";
-     }
-    ];
+    }];
     plugins.neo-tree = {
       enable = true;
       closeIfLastWindow = true;
@@ -15,14 +13,13 @@
         winbar = true;
         statusline = false;
         tabsLayout = "equal";
-          sources = [
-              { source = "filesystem"; displayName = " 󰉓  Archivos "; }
-          ];
+        sources = [{
+          source = "filesystem";
+          displayName = " 󰉓  Archivos ";
+        }];
       };
       defaultComponentConfigs = {
-          container = {
-              enableCharacterFade = true;
-          };
+        container = { enableCharacterFade = true; };
         indent = {
           indentSize = 2;
           padding = 1;
@@ -56,11 +53,11 @@
             added = "";
             modified = "";
             deleted = "";
-                  renamed = "";
+            renamed = "";
             untracked = "";
-                  ignored = "";
-                  unstaged = "U";
-                  staged = "";
+            ignored = "";
+            unstaged = "";
+            staged = "";
             conflict = "";
           };
         };
@@ -68,7 +65,7 @@
           symbols = {
             error = "";
             warn = "";
-                  hint = "";
+            hint = "";
             info = "";
           };
           highlights = {
@@ -93,16 +90,12 @@
           visible = false;
           hideDotfiles = false;
           hideGitignored = false;
-              hideByName = [
-                  "nodeModules"
-              ];
+          hideByName = [ "nodeModules" ];
         };
         groupEmptyDirs = false;
         useLibuvFileWatcher = true;
       };
-      buffers = {
-          groupEmptyDirs = true;
-      };
+      buffers = { groupEmptyDirs = true; };
       renderers = {
         directory = [
           "indent"
@@ -146,12 +139,33 @@
           {
             name = "container";
             content = [
-                  { name = "name"; zindex = 10; }
-                  { name = "clipboard"; zindex = 10;}
-                  { name = "bufnr"; zindex = 10;}
-                  { name = "modified"; zindex = 20; align = "right";}
-                  { name = "diagnostics"; zindex = 20; align = "right";}
-                  { name = "git_status"; zindex = 15; align = "right";}
+              {
+                name = "name";
+                zindex = 10;
+              }
+              {
+                name = "clipboard";
+                zindex = 10;
+              }
+              {
+                name = "bufnr";
+                zindex = 10;
+              }
+              {
+                name = "modified";
+                zindex = 20;
+                align = "right";
+              }
+              {
+                name = "diagnostics";
+                zindex = 20;
+                align = "right";
+              }
+              {
+                name = "git_status";
+                zindex = 15;
+                align = "right";
+              }
             ];
           }
         ];

hosts/totsugeki/home-manager/development/nixvim/trouble.nix

@@ -0,0 +1,25 @@
+{ ... }: {
+  programs.nixvim = {
+    plugins.trouble = {
+      enable = true;
+      settings = {
+        auto_refresh = true;
+        focus = true;
+        follow = false;
+        keys = {
+          "<cr>" = "jump_close";
+          "s" = "jump_vsplit";
+          "S" = "jump_split";
+        };
+        win = {
+          type = "float";
+          border = "rounded";
+        };
+      };
+    };
+    keymaps = [{
+      action = "<cmd>Trouble diagnostics toggle<cr>";
+      key = "<leader>dg";
+    }];
+  };
+}