fix(emmylua): configure workspace library only in neovim project

after/lsp/emmylua_ls.lua

@@ -1,6 +1,3 @@
-local lua_library_paths = { vim.env.VIMRUNTIME }
-vim.list_extend(lua_library_paths, require("pack").get_paths())
-
 ---@type vim.lsp.Config
 return {
     settings = {
@@ -16,21 +13,38 @@ return {
                 -- Re-enable once luafmt is integrated in server
                 -- useDiff = true,
             },
-            runtime = {
-                version = "LuaJIT",
-                requirePattern = {
-                    "lua/?.lua",
-                    "lua/?/init.lua",
-                },
-            },
-            workspace = {
-                library = lua_library_paths,
-            },
             hint = {
                 enable = false,
             },
         },
     },
+    ---@param config vim.lsp.ClientConfig
+    before_init = function(_, config)
+        ---@param path string|string[]
+        ---@return string?
+        local function realpath(path)
+            ---@type string?
+            local p
+            if type(path) == "table" then
+                p = path[1]
+            else
+                p = path
+            end
+            return p and vim.uv.fs_realpath(p) or p
+        end
+        local config_root = realpath(vim.fn.stdpath("config"))
+        local folder = config.workspace_folders and config.workspace_folders[1]
+        local root = config.root_dir or (folder and folder.name)
+        if root and realpath(root) == config_root then
+            local lib = { vim.env.VIMRUNTIME }
+            vim.list_extend(lib, require("pack").get_paths())
+            ---@cast config.settings table
+            config.settings.emmylua =
+                vim.tbl_deep_extend("force", config.settings.emmylua or {}, {
+                    workspace = { library = lib },
+                })
+        end
+    end,
     on_attach = function(_, bufnr)
         local util = require("util")