Remove duplicates

lua/cmp/view.lua

@@ -116,6 +116,19 @@ view.open = function(self, ctx, sources)
       end
     end)
 
+    -- Leigh Moore
+    -- Remove duplicates
+    local duplicates = {}
+    local unique_entities = {}
+    for _, e in ipairs(group_entries) do
+      local label = e.completion_item.label:gsub("^%.", "")
+      if not duplicates[label] then
+        duplicates[label] = true
+        table.insert(unique_entities, e)
+      end
+    end
+    group_entries = unique_entities
+
     -- filter by max_item_count.
     for _, e in ipairs(group_entries) do
       if max_item_counts[e.source.name] ~= nil then