feat(event): TreeAttachedPost fired after all mappings created, not j…

…ust on_attach

doc/nvim-tree-lua.txt

@@ -1640,7 +1640,8 @@ e.g. handler for node renamed: >
                   {folder_name}  `{string}` Absolute path to the removed folder.
 
 - Event.TreeAttachedPost
-                Invoked after |nvim-tree.on_attach| has been called.
+                Invoked after the tree's buffer has been created and mappings
+                have been applied: |nvim-tree-mappings| or |nvim-tree.on_attach|
                 handler parameters: ~
                   {buf}          `{number} `API buffer handle (buffer number)
 

lua/nvim-tree/events.lua

@@ -88,7 +88,7 @@ function M._dispatch_on_tree_resize(size)
 end
 
 --@private
-function M._dispatch_tree_attach_post(buf)
+function M._dispatch_tree_attached_post(buf)
   dispatch(M.Event.TreeAttachedPost, buf)
 end
 

lua/nvim-tree/view.lua

@@ -92,10 +92,10 @@ local function create_buffer(bufnr)
   if type(M.on_attach) == "function" then
     require("nvim-tree.keymap").set_keymaps(M.get_bufnr())
     M.on_attach(M.get_bufnr())
-    events._dispatch_tree_attach_post(M.get_bufnr())
   else
     require("nvim-tree.actions").apply_mappings(M.get_bufnr())
   end
+  events._dispatch_tree_attached_post(M.get_bufnr())
 end
 
 local function get_size()