feat: reload explorer on buf enter (#1265)

Author: sarmong

README.md

@@ -128,6 +128,7 @@ require'nvim-tree'.setup { -- BEGIN_DEFAULT_OPTS
   open_on_tab = false,
   sort_by = "name",
   update_cwd = false,
+  reload_on_bufenter = false,
   view = {
     width = 30,
     height = 30,

doc/nvim-tree-lua.txt

@@ -96,6 +96,7 @@ Values may be functions. Warning: this may result in unexpected behaviour.
       open_on_tab = false,
       sort_by = "name",
       update_cwd = false,
+      reload_on_bufenter = false,
       view = {
         width = 30,
         height = 30,
@@ -263,6 +264,10 @@ Keeps the cursor on the first letter of the filename when moving in the tree.
 Changes the tree root directory on `DirChanged` and refreshes the tree.
   Type: `boolean`, Default: `false`
 
+*nvim-tree.reload_on_bufenter*
+Automatically reloads the tree on `BufEnter` nvim-tree.
+  Type: `boolean`, Default: `false`
+
 *nvim-tree.hijack_directories*
 hijacks new directory buffers when they are opened (`:e dir`).
 

lua/nvim-tree.lua

@@ -336,6 +336,10 @@ local function setup_autocommands(opts)
   if opts.hijack_directories.enable then
     create_nvim_tree_autocmd({ "BufEnter", "BufNewFile" }, { callback = M.open_on_directory })
   end
+
+  if opts.reload_on_bufenter then
+    create_nvim_tree_autocmd("BufEnter", { pattern = "NvimTree_*", callback = reloaders.reload_explorer })
+  end
 end
 
 local DEFAULT_OPTS = { -- BEGIN_DEFAULT_OPTS
@@ -350,6 +354,7 @@ local DEFAULT_OPTS = { -- BEGIN_DEFAULT_OPTS
   open_on_tab = false,
   sort_by = "name",
   update_cwd = false,
+  reload_on_bufenter = false,
   view = {
     width = 30,
     height = 30,