fix: add new root into the workspace folders (#2298)

* fix: add the new root to workspaceFolders

* fix: add the new root to workspaceFolders

1 files changed, 9 insertions, 6 deletions

diff --git a/lua/lspconfig/util.lua b/lua/lspconfig/util.lua
index a1f04bec..00f5a7a1 100644
--- a/lua/lspconfig/util.lua
+++ b/lua/lspconfig/util.lua
@@ -250,12 +250,15 @@ function M.server_per_root_dir_manager(make_config)
     -- Check if we have a client already or start and store it.
     if not client_id then
       local new_config = make_config(root_dir)
-      if next(clients) ~= nil then
-        for _, id in pairs(clients) do
-          local client = lsp.get_client_by_id(id)
-          if client.name == new_config.name then
-            return id
-          end
+      if clients[1] then
+        local client = lsp.get_client_by_id(clients[1])
+        if client.name == new_config.name then
+          local params = lsp.util.make_workspace_params(
+            { { uri = vim.uri_from_fname(root_dir), name = root_dir } },
+            { {} }
+          )
+          table.insert(client.workspace_folders, params.event.added[1])
+          return clients[1]
         end
       end
       -- do nothing if the client is not enabled