auto close neo-tree after opening file

lua/kickstart/plugins/neo-tree.lua

@@ -2,23 +2,32 @@
 -- https://github.com/nvim-neo-tree/neo-tree.nvim
 
 return {
-  'nvim-neo-tree/neo-tree.nvim',
-  version = '*',
+  "nvim-neo-tree/neo-tree.nvim",
+  version = "*",
   dependencies = {
-    'nvim-lua/plenary.nvim',
-    'nvim-tree/nvim-web-devicons', -- not strictly required, but recommended
-    'MunifTanjim/nui.nvim',
+    "nvim-lua/plenary.nvim",
+    "nvim-tree/nvim-web-devicons", -- not strictly required, but recommended
+    "MunifTanjim/nui.nvim",
   },
-  cmd = 'Neotree',
+  cmd = "Neotree",
   keys = {
-    { '\\',        ':Neotree reveal<CR>', desc = 'NeoTree reveal', silent = true },
-    { '<leader>e', ':Neotree toggle<CR>', desc = 'NeoTree toggle', silent = true },
+    { "\\", ":Neotree reveal<CR>", desc = "NeoTree reveal", silent = true },
+    { "<leader>e", ":Neotree toggle<CR>", desc = "NeoTree toggle", silent = true },
   },
   opts = {
+    event_handlers = {
+      {
+        event = "file_opened",
+        handler = function(file_path)
+          --auto close
+          require("neo-tree").close_all()
+        end,
+      },
+    },
     filesystem = {
       window = {
         mappings = {
-          ['\\'] = 'close_window',
+          ["\\"] = "close_window",
         },
       },
     },