Add simple completion language server and snippets to helix

home-manager/shared/shell/helix.nix

@@ -36,14 +36,14 @@
           language-id = "python";
           auto-format = true;
           file-types = ["py"];
-          language-servers = ["ruff"];
+          language-servers = ["ruff" "scls"];
         }
         {
           name = "typst";
           language-id = "typst";
           auto-format = false;
           file-types = ["typ"];
-          language-servers = ["typst-lsp"];
+          language-servers = ["typst-lsp" "scls"];
         }
         {
           name = "rust";
@@ -51,7 +51,16 @@
           auto-format = true;
           file-types = ["rs"];
           roots = ["Cargo.lock"];
-          language-servers = ["rust-analyzer"];
+          language-servers = ["rust-analyzer" "scls"];
+        }
+        {
+          name = "stub";
+          scope = "text.stub";
+          file-types = [];
+          shebangs = [];
+          roots = [];
+          auto-format = false;
+          language-servers = ["scls"];
         }
         {
           name = "nix";
@@ -79,7 +88,24 @@
         nil = {
           command = "nil";
         };
+        scls = {
+          command = "simple-completion-language-server";
+          config = {
+            max_completion_items = 20;
+            snippets_first = true;
+            feature_words = true;
+            feature_snippets = true;
+            feature_unicode_input = true;
+            feature_paths = true;
           };
         };
       };
+    };
+  };
+  home.file = {
+    "helix" = {
+      source = ./snippets.toml;
+      target = ".config/helix/external-snippets.toml";
+    };
+  };
 }

home-manager/shared/shell/snippets.toml

@@ -0,0 +1,3 @@
+[[sources]] # list of sources to load
+name = "friendly-snippets"  # optional name shown on snippet description
+git = "https://github.com/rafamadriz/friendly-snippets.git" # git repo with snippets collections