adding helix, vanilla neovim

home/modules/devtools/helix/default.nix

@@ -0,0 +1,63 @@
+{
+  inputs,
+  pkgs,
+  lib,
+  config,
+  ...
+}: let
+  inherit (lib) mkIf mkEnableOption;
+  cfg = config.modules.devtools.helix;
+in {
+  imports = [./languages.nix];
+
+  options = {
+    modules.devtools.helix.enable = mkEnableOption "Enable helix";
+  };
+
+  config = mkIf cfg.enable {
+    programs.helix = {
+      enable = true;
+      package = inputs.helix.packages.${pkgs.system}.default;
+
+      settings = {
+        theme = "gruvbox_material_dark_soft";
+        editor = {
+          color-modes = true;
+          cursorline = true;
+          cursor-shape = {
+            insert = "bar";
+            normal = "block";
+            select = "underline";
+          };
+          indent-guides.render = true;
+          inline-diagnostics = {
+            cursor-line = "hint";
+            other-lines = "error";
+          };
+          lsp.display-inlay-hints = true;
+          statusline.center = ["position-percentage"];
+          true-color = true;
+          whitespace.characters = {
+            newline = "↴";
+            tab = "⇥";
+          };
+        };
+
+        keys = {
+          normal = {
+            y = "yank_to_clipboard";
+            p = "paste_clipboard_after";
+            space.u = {
+              f = ":format"; # format using LSP formatter
+              w = ":set whitespace.render all";
+              W = ":set whitespace.render none";
+            };
+          };
+          insert = {
+            C-v = "paste_clipboard_after";
+          };
+        };
+      };
+    };
+  };
+}

home/modules/devtools/helix/languages.nix

@@ -0,0 +1,188 @@
+{
+  pkgs,
+  lib,
+  ...
+}: {
+  programs.helix.languages = {
+    language = let
+      deno = lang: {
+        command = lib.getExe pkgs.deno;
+        args = ["fmt" "-" "--ext" lang];
+      };
+
+      prettier = lang: {
+        command = lib.getExe pkgs.nodePackages.prettier;
+        args = ["--parser" lang];
+      };
+      prettierLangs = map (e: {
+        name = e;
+        formatter = prettier e;
+      });
+      langs = ["css" "scss" "html"];
+    in
+      [
+        {
+          name = "bash";
+          auto-format = true;
+          formatter = {
+            command = lib.getExe pkgs.shfmt;
+            args = ["-i" "2"];
+          };
+        }
+        {
+          name = "clojure";
+          injection-regex = "(clojure|clj|edn|boot|yuck)";
+          file-types = ["clj" "cljs" "cljc" "clje" "cljr" "cljx" "edn" "boot" "yuck"];
+        }
+        {
+          name = "cmake";
+          auto-format = true;
+          language-servers = ["cmake-language-server"];
+          formatter = {
+            command = lib.getExe pkgs.cmake-format;
+            args = ["-"];
+          };
+        }
+        {
+          name = "lua";
+          auto-format = true;
+          language-servers = ["lua-language-server"];
+          formatter = {
+            command = lib.getExe pkgs.stylua;
+          };
+        }
+        {
+          name = "javascript";
+          auto-format = true;
+          language-servers = ["dprint" "typescript-language-server"];
+        }
+        {
+          name = "json";
+          formatter = deno "json";
+        }
+        {
+          name = "markdown";
+          auto-format = true;
+          formatter = deno "md";
+        }
+        {
+          name = "python";
+          language-servers = ["pyright"];
+          formatter = {
+            command = lib.getExe pkgs.black;
+            args = ["-" "--quiet" "--line-length 100"];
+          };
+        }
+        {
+          name = "typescript";
+          auto-format = true;
+          language-servers = ["dprint" "typescript-language-server"];
+        }
+      ]
+      ++ prettierLangs langs;
+
+    language-server = {
+      bash-language-server = {
+        command = lib.getExe pkgs.bash-language-server;
+        args = ["start"];
+      };
+
+      clangd = {
+        command = "${pkgs.clang-tools}/bin/clangd";
+        clangd.fallbackFlags = ["-std=c++2b"];
+      };
+
+      cmake-language-server = {
+        command = lib.getExe pkgs.cmake-language-server;
+      };
+      
+      lua-language-server = {
+        command = lib.getExe pkgs.lua-language-server;
+      };
+
+      deno-lsp = {
+        command = lib.getExe pkgs.deno;
+        args = ["lsp"];
+        environment.NO_COLOR = "1";
+        config.deno = {
+          enable = true;
+          lint = true;
+          unstable = true;
+          suggest = {
+            completeFunctionCalls = false;
+            imports = {hosts."https://deno.land" = true;};
+          };
+          inlayHints = {
+            enumMemberValues.enabled = true;
+            functionLikeReturnTypes.enabled = true;
+            parameterNames.enabled = "all";
+            parameterTypes.enabled = true;
+            propertyDeclarationTypes.enabled = true;
+            variableTypes.enabled = true;
+          };
+        };
+      };
+
+      dprint = {
+        command = lib.getExe pkgs.dprint;
+        args = ["lsp"];
+      };
+
+      nil = {
+        command = lib.getExe pkgs.nil;
+        config.nil.formatting.command = ["${lib.getExe pkgs.alejandra}" "-q"];
+      };
+
+      pyright = {
+        command = "${pkgs.pyright}/bin/pyright-langserver";
+        args = ["--stdio"];
+        config = {
+          reportMissingTypeStubs = false;
+          analysis = {
+            typeCheckingMode = "basic";
+            autoImportCompletions = true;
+          };
+        };
+      };
+
+      typescript-language-server = {
+        command = lib.getExe pkgs.nodePackages.typescript-language-server;
+        args = ["--stdio"];
+        config = let
+          inlayHints = {
+            includeInlayEnumMemberValueHints = true;
+            includeInlayFunctionLikeReturnTypeHints = true;
+            includeInlayFunctionParameterTypeHints = true;
+            includeInlayParameterNameHints = "all";
+            includeInlayParameterNameHintsWhenArgumentMatchesName = true;
+            includeInlayPropertyDeclarationTypeHints = true;
+            includeInlayVariableTypeHints = true;
+          };
+        in {
+          typescript-language-server.source = {
+            addMissingImports.ts = true;
+            fixAll.ts = true;
+            organizeImports.ts = true;
+            removeUnusedImports.ts = true;
+            sortImports.ts = true;
+          };
+
+          typescript = {inherit inlayHints;};
+          javascript = {inherit inlayHints;};
+
+          hostInfo = "helix";
+        };
+      };
+
+      vscode-css-language-server = {
+        command = "${pkgs.nodePackages.vscode-langservers-extracted}/bin/vscode-css-languageserver";
+        args = ["--stdio"];
+        config = {
+          provideFormatter = true;
+          css.validate.enable = true;
+          scss.validate.enable = true;
+        };
+      };
+    };
+  };
+}