Fix #473

lua/cmp/view/custom_entries_view.lua

@@ -301,27 +301,31 @@ custom_entries_view._select = function(self, cursor, option)
   self.event:emit('change')
 end
 
-custom_entries_view._insert = function(self, word)
+custom_entries_view._insert = setmetatable({
+  pending = false,
+}, {
+  __call = function(this, self, word)
     word = word or ''
-
     if api.is_cmdline_mode() then
       local cursor = api.get_cursor()
       local length = vim.str_utfindex(string.sub(api.get_current_line(), self.offset, cursor[2]))
       vim.api.nvim_feedkeys(keymap.backspace(length) .. word, 'int', true)
     else
-    local release = require('cmp').core:suspend()
-    feedkeys.call('', 'n', function()
+      if this.pending then
+        return
+      end
+      this.pending = true
+
+      local release = require('cmp').suspend()
+      feedkeys.call('', '', function()
         local cursor = api.get_cursor()
-      local length = vim.str_utfindex(string.sub(api.get_current_line(), self.offset, cursor[2]))
-      feedkeys.call(
-        keymap.backspace(length) .. word,
-        'int',
-        vim.schedule_wrap(function()
+        feedkeys.call(keymap.backspace(1 + cursor[2] - self.offset) .. word, 'int', vim.schedule_wrap(function()
+          this.pending = false
           release()
-        end)
-      )
+        end))
       end)
     end
-end
+  end
+})
 
 return custom_entries_view