Initial commit

m/home/helix/langs/default.nix

@@ -0,0 +1,15 @@
+{ pkgs, ... }:
+rec {
+  use = name: (import ./${"${name}.nix"}) pkgs;
+  combine = lhs: rhs: {
+    lsp = (lhs.lsp or {}) // (rhs.lsp or {});
+    entries = (lhs.entries or []) ++ (rhs.entries or []);
+  };
+
+  intoHelixFormat = cfg: {
+    language-server = cfg.lsp;
+    language = cfg.entries;
+  };
+  useMany = langs: builtins.foldl' combine {} (map use langs);
+}
+

m/home/helix/langs/nix.nix

@@ -0,0 +1,15 @@
+{ pkgs, ... }:
+{
+  lsp.nixd = {
+    command = "${pkgs.nixd}/bin/nixd";
+  };
+  entries = [{
+    name = "Nix";
+    scope = "source.nix";
+    injection-regex = "nix";
+    file-types = ["nix"];
+    comment-tokens = "#";
+    indent = { tab-width = 2; unit = "  "; };
+    language-servers = [ "nixd" ];
+  }];
+}