Center after telescope

lua/my_telescope.lua

@@ -2,27 +2,33 @@ local actions = require('telescope.actions')
 
 local mappingTab = {
   i = {
-    ["<cr>"] = actions.select_tab,
-    ["<C-b>"] = actions.select_default,
+    ['<cr>'] = actions.select_tab,
+    ['<C-b>'] = actions.select_default,
   }
 }
 
-local mappingDefault
-
-require('telescope').setup{
+require('telescope').setup {
+  defaults = {
+    mappings = {
+      i = {
+        ['<esc>'] = actions.close,
+        ['<cr>'] = actions.select_default + actions.center
+      }
+    }
+  },
   pickers = {
     -- Your special builtin config goes in here
     buffers = {
       sort_lastused = true,
       previewer = false,
-      theme = "dropdown",
+      theme = 'dropdown',
       mappings = {
         i = {
-          ["<c-w>"] = actions.delete_buffer,
-          ["<cr>"] = actions.select_default,
+          ['<c-w>'] = actions.delete_buffer,
+          ['<cr>'] = actions.select_default,
         },
         n = {
-          ["<c-w>"] = actions.delete_buffer,
+          ['<c-w>'] = actions.delete_buffer,
         }
       }
     },