fix(lsp): disable hover actions if luajit is not available

README.md

@@ -274,12 +274,9 @@ And the hover buffer's filetype is set to markdown,
 so that [nvim-treesitter](https://github.com/nvim-treesitter/nvim-treesitter)
 users can benefit from syntax highlighting of code snippets.
 
-For invoking hover actions with a keymap in normal mode, this plugin
-provides the following `<Plug>` mappings:
-
-- `HaskellHoverAction`: Takes a `<count>` prefix for the hover action to invoke.
-- `HaskellHoverActionHoogle`: Invokes the first Hoogle search hover action.
-- `HaskellHoverActionOpenDocs`: Open
+> [!NOTE]
+>
+> Hover actions are disabled if Neovim is not built with luajit.
 
 ![hoverActions](https://user-images.githubusercontent.com/12857160/219763211-61fc4207-4300-41f2-99c4-6a420cf940f2.gif)
 

lua/haskell-tools/config/internal.lua

@@ -57,7 +57,10 @@ local HTDefaultConfig = {
     ---@class haskell-tools.hover.Config Enhanced LSP hover options.
     hover = {
       ---@type boolean | (fun():boolean) (default: `true`) Whether to enable haskell-tools hover.
-      enable = true,
+      enable = function()
+        local has_jit = pcall(require, 'jit')
+        return has_jit
+      end,
       ---@type string[][] | nil The hover window's border. Set to `nil` to disable.
       border = {
         { '╭', 'FloatBorder' },