feat: add truncation of menu length and fix variable names

Author: haorenW1025

lua/completion/util.lua

@@ -35,10 +35,16 @@ end
 function M.addCompletionItems(item_table, item)
   -- word cannot be nil
   if item.word == nil then return end
+  local abbr_length = opt.get_option('abbr_length')
   local menu_length = opt.get_option('menu_length')
   if menu_length ~= 0 then
-    if string.len(item.abbr) > menu_length then
-      item.abbr = string.sub(item.abbr, 0, menu_length).."..."
+    if item.menu ~= nil and string.len(item.menu) > menu_length then
+      item.menu = string.sub(item.menu, 0, menu_length).."..."
+    end
+  end
+  if item.abbr ~= nil and abbr_length ~= 0 then
+    if string.len(item.abbr) > abbr_length then
+      item.abbr = string.sub(item.abbr, 0, abbr_length).."..."
     end
   end
   table.insert(item_table, {

plugin/completion.vim

@@ -109,6 +109,10 @@ if ! exists('g:completion_items_priority')
     let g:completion_items_priority = {}
 endif
 
+if ! exists('g:completion_abbr_length')
+    let g:completion_abbr_length = 0
+endif
+
 if ! exists('g:completion_menu_length')
     let g:completion_menu_length = 0
 endif