fix: check client is available and get client id from cache (#2303)

1 files changed, 5 insertions, 4 deletions

diff --git a/lua/lspconfig/util.lua b/lua/lspconfig/util.lua
index 00f5a7a1..d4390e40 100644
--- a/lua/lspconfig/util.lua
+++ b/lua/lspconfig/util.lua
@@ -250,15 +250,16 @@ 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 clients[1] then
-        local client = lsp.get_client_by_id(clients[1])
-        if client.name == new_config.name then
+      if vim.tbl_count(clients) == 1 then
+        local id = vim.tbl_values(clients)[1]
+        local client = lsp.get_client_by_id(id)
+        if client and 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]
+          return id
         end
       end
       -- do nothing if the client is not enabled