helix: update languages

home/programs/editors/helix/default.nix

@@ -1,8 +1,9 @@
-{...}: {
+_: {
   imports = [
     ./languages.nix
     ./themes/tokyonight.nix
   ];
+
   programs.helix = {
     enable = true;
     defaultEditor = true;

home/programs/editors/helix/languages.nix

@@ -3,11 +3,13 @@
   lib,
   ...
 }: {
+  home.packages = [(pkgs.callPackage ../../../../pkgs/scls {})];
   programs.helix.languages = {
     language = with pkgs; [
       {
         name = "nix";
         auto-format = true;
+        language-servers = ["scls" "nil"];
         formatter = {
           command = lib.getExe alejandra;
           args = ["-q"];
@@ -16,9 +18,7 @@
       {
         name = "rust";
         auto-format = true;
-        language-servers = [
+        language-servers = ["scls" "rust-analyzer"];
-          "rust-analyzer"
-        ];
         formatter = {
           command = lib.getExe rustfmt;
           args = ["--edition" "2021"];
@@ -27,12 +27,62 @@
       {
         name = "lua";
         auto-format = true;
+        language-servers = ["scls" "lua-language-server"];
         formatter = {
           command = lib.getExe stylua;
         };
       }
+      {
+        name = "python";
+        auto-format = true;
+        language-servers = ["scls" "ruff"];
+        formatter = with pkgs; {
+          command = lib.getExe ruff;
+          args = ["format" "-q"];
+        };
+      }
+      {
+        name = "javascript";
+        auto-format = true;
+        language-servers = [
+          "scls"
+          {
+            name = "typescript-language-server";
+            except-features = ["format"];
+          }
+        ];
+        formatter = with pkgs; {
+          command = lib.getExe biome;
+          args = ["format"];
+        };
+      }
+      {
+        name = "toml";
+        auto-format = true;
+        language-servers = ["scls" "taplo"];
+        formatter = with pkgs; {
+          command = lib.getExe taplo;
+          args = ["fmt" "-"];
+        };
+      }
+      {
+        name = "json";
+        auto-format = true;
+        language-servers = ["scls" "biome"];
+        formatter = with pkgs; {
+          command = lib.getExe biome;
+          args = ["format"];
+        };
+      }
     ];
     language-server = with pkgs; {
+      scls = {
+        command = "simple-completion-language-server";
+        config = {
+          feature_snippets = true;
+          feature_paths = true;
+        };
+      };
       nil = {
         command = lib.getExe nil;
       };
@@ -44,6 +94,17 @@
         command = "${typescript-language-server}/bin/typescript-language-server";
         args = ["--stdio"];
       };
+      lua = {
+        command = lib.getExe lua-language-server;
+      };
+      taplo = {
+        command = lib.getExe taplo;
+        args = ["lsp" "stdio"];
+      };
+      ruff = {
+        command = lib.getExe ruff;
+        args = ["server" "--preview"];
+      };
       rust-analyzer.config = {
         checkOnSave.command = "clippy";
         inlayHints = {