fix nvim-cmp error

check https://github.com/hrsh7th/nvim-cmp/issues/231#issuecomment-1098175017

lua/config/nvim-cmp.lua

@@ -9,32 +9,27 @@ cmp.setup({
       vim.fn["UltiSnips#Anon"](args.body)
     end,
   },
-  mapping = {
+  mapping = cmp.mapping.preset.insert({
-    ['<Tab>'] = {
+          ['<Tab>'] = function(fallback)
-      i = function(fallback)
+            if cmp.visible() then
-        if cmp.visible() then
+              cmp.select_next_item()
-          cmp.select_next_item()
+            else
-        else
+              fallback()
-          fallback()
+            end
-        end
+          end,
-      end,
+          ['<S-Tab>'] = function(fallback)
-      c = cmp.config.disable
+            if cmp.visible() then
-  },
+              cmp.select_prev_item()
-    ['<S-Tab>'] = {
+            else
-      i = function(fallback)
+              fallback()
-        if cmp.visible() then
+            end
-          cmp.select_prev_item()
+          end,
-        else
+          ['<CR>'] = cmp.mapping.confirm({ select = true }),
-          fallback()
+          ['<C-e>'] = cmp.mapping.abort(),
-        end
+          ['<Esc>'] = cmp.mapping.close(),
-      end,
+          ['<C-d>'] = cmp.mapping.scroll_docs(-4),
-      c = cmp.config.disable
+          ['<C-f>'] = cmp.mapping.scroll_docs(4),
-    },
+        }),
-    ['<Esc>'] = cmp.mapping.close(),
-    ['<CR>'] = cmp.mapping.confirm({ select = true }),
-    ['<C-d>'] = cmp.mapping.scroll_docs(-4),
-    ['<C-f>'] = cmp.mapping.scroll_docs(4),
-  },
   sources = {
     { name = 'nvim_lsp' }, -- For nvim-lsp
     { name = 'ultisnips' }, -- For ultisnips user.