force keymap to be loaded when on_attach is not called it may releated to #130

lua/navigator.lua

@@ -224,7 +224,7 @@ M.setup = function(cfg)
   -- print("loading navigator")
   require('navigator.lazyloader').init()
   require('navigator.lspclient.clients').setup(_NgConfigValues)
-  -- require("navigator.lspclient.mapping").setup(_NgConfigValues)
+  require('navigator.lspclient.mapping').setup(_NgConfigValues)
   require('navigator.reference')
   require('navigator.definition')
   require('navigator.hierarchy')

lua/navigator/lspclient/mapping.lua

@@ -172,7 +172,7 @@ local function set_mapping(user_opts)
   elseif fmtkey then
     del_keymap('n', fmtkey)
   end
-  if user_opts.cap.document_range_formatting then
+  if user_opts.cap and user_opts.cap.document_range_formatting then
     log('formatting enabled', user_opts.cap)
   end