fix bug with using ipairs; clear stale info

Author: xcyu-stripe

lua/lsp-status.lua

@@ -81,6 +81,7 @@ end
 local function on_attach(client)
   -- Register the client for messages
   messaging.register_client(client.id, client.name)
+  print("on_attach called")
   vim.api.nvim_command('augroup lsp_aucmds')
   vim.api.nvim_command('au! * <buffer>')
   vim.api.nvim_command('au User DiagnosticChanged lua require("lsp-status/redraw").redraw()')

lua/lsp-status/current_function.lua

@@ -59,7 +59,7 @@ end
 
 local function first_capable_client(bufnr, capability)
   local clients = vim.lsp.buf_get_clients(bufnr)
-  for _, client in ipairs(clients) do
+  for _, client in pairs(clients) do
     if client.resolved_capabilities[capability] then
       return client
     end
@@ -71,6 +71,10 @@ local function update_current_function()
   if client then
     local params = { textDocument = lsp_util.make_text_document_params() }
     client.request('textDocument/documentSymbol', params, util.mk_handler(current_function_callback), 0)
+  else
+    -- clear current function so we don't show stale information
+    vim.b.lsp_current_function = ''
+    redraw.redraw()
   end
 end