From 2630ecdd28e670d208d6f303165a053f3bc01853 Mon Sep 17 00:00:00 2001
From: Justin Wood <me@ankhers.dev>
Date: Tue, 11 Jun 2024 14:19:14 -0400
Subject: [PATCH] Choose Elixir Language Server

There are multiple language servers in the Elixir ecosystem. This will
allow the user to select which they want to use, with the option of
using more than one.
---
 src/modules/languages/elixir.nix | 25 +++++++++++++++++++++++--
 1 file changed, 23 insertions(+), 2 deletions(-)

diff --git a/src/modules/languages/elixir.nix b/src/modules/languages/elixir.nix
index fab8890f5..ce85d03e2 100644
--- a/src/modules/languages/elixir.nix
+++ b/src/modules/languages/elixir.nix
@@ -13,13 +13,34 @@ in
       default = pkgs.elixir;
       defaultText = lib.literalExpression "pkgs.elixir";
     };
+
+    languageServer = {
+      elixir_ls = lib.mkOption {
+        type = lib.types.bool;
+        default = true;
+        defaultText = "true";
+        description = ''
+          Enable the ElixirLS language server (https://github.com/elixir-lsp/elixir-ls).
+        '';
+      };
+
+      lexical = lib.mkOption {
+        type = lib.types.bool;
+        default = true;
+        defaultText = "true";
+        description = ''
+          Enable the Lexical language server (https://github.com/lexical-lsp/lexical).
+        '';
+      };
+    };
   };
 
   config = lib.mkIf cfg.enable
     {
       packages = with pkgs; [
         cfg.package
-        elixir_ls
-      ];
+      ]
+      ++ lib.optional cfg.languageServer.elixir_ls elixir-ls
+      ++ lib.optional cfg.languageServer.lexical lexical;
     };
 }