Improve label creation

hrsh7th · Aug 20, 2022 · 3dd4009 · 3dd4009
1 parent 57c4db7
commit 3dd4009
Showing 1 changed file with 12 additions and 3 deletions.
diff --git a/lua/cmp_nvim_lsp_signature_help/init.lua b/lua/cmp_nvim_lsp_signature_help/init.lua
@@ -114,11 +114,12 @@ source._item = function(self, signature, parameter_index)
     return nil
   end
 
+  local label = table.concat(arguments, ', ')
   return {
-    label = table.concat(arguments, ', '),
+    label = label,
     filterText = ' ',
-    insertText = '',
-    preselect = 1,
+    insertText = self:_matchstr(label, [[\k\+]]),
+    preselect = true,
     documentation = self:_docs(signature, parameter_index),
   }
 end
@@ -204,4 +205,12 @@ source._get = function(_, root, paths)
   return c
 end
 
+source._matchstr = function(_, str, pattern)
+  local s, e = vim.regex(pattern):match_str(str)
+  if s and e then
+    return string.sub(str, s+1, e)
+  end
+  return ''
+end
+
 return source