Add cmp.mapping.abort

lua/cmp/init.lua

@@ -48,6 +48,18 @@ cmp.close = function()
   end
 end
 
+---Abort current completion
+cmp.abort = function()
+  if vim.fn.pumvisible() == 1 then
+    keymap.feedkeys(keymap.t('<C-e>'), 'n', function()
+      core.reset()
+    end)
+    return true;
+  else
+    return false
+  end
+end
+
 ---Select next item if possible
 cmp.select_next_item = function()
   if vim.fn.pumvisible() == 1 then

lua/cmp/mapping.lua

@@ -28,6 +28,15 @@ mapping.close = function()
   end
 end
 
+---Abort current completion menu if it displayed.
+mapping.abort = function()
+  return function(fallback)
+    if not require('cmp').abort() then
+      fallback()
+    end
+  end
+end
+
 ---Scroll documentation window.
 mapping.scroll_docs = function(delta)
   return function(fallback)