From 42ca0e4245f3ae5d03a76896f269985a81601b8d Mon Sep 17 00:00:00 2001
From: PeteChu <phuengton.ch@gmail.com>
Date: Thu, 23 Mar 2023 14:42:48 +0700
Subject: [PATCH] * refactor(nvim-tree.lua): extract open_nvim_tree function
 and add comments * feat(nvim-tree.lua): add auto open and auto close autocmds
 for NvimTree

---
 after/plugin/nvim-tree.lua | 29 ++++++++++++++++++++---------
 1 file changed, 20 insertions(+), 9 deletions(-)

diff --git a/after/plugin/nvim-tree.lua b/after/plugin/nvim-tree.lua
index 84a0625f..e85d0184 100644
--- a/after/plugin/nvim-tree.lua
+++ b/after/plugin/nvim-tree.lua
@@ -1,12 +1,23 @@
+local function open_nvim_tree(data)
+
+  -- buffer is a real file on the disk
+  local real_file = vim.fn.filereadable(data.file) == 1
+
+  -- buffer is a [No Name]
+  local no_name = data.file == "" and vim.bo[data.buf].buftype == ""
+
+  if not real_file and not no_name then
+    return
+  end
+
+  -- open the tree, find the file but don't focus it
+  require("nvim-tree.api").tree.toggle({ focus = false, find_file = true, })
+end
+
+-- Auto open
+vim.api.nvim_create_autocmd({ "VimEnter" }, { callback = open_nvim_tree })
+
+-- Auto close
 vim.api.nvim_create_autocmd({"QuitPre"}, {
     callback = function() vim.cmd("NvimTreeClose") end,
 })
-
-
-local function open_nvim_tree()
-
-  -- open the tree
-  require("nvim-tree.api").tree.open()
-end
-
-vim.api.nvim_create_autocmd({ "VimEnter" }, { callback = open_nvim_tree })