extract methods from lib

lua/nvim-tree.lua

@@ -125,7 +125,7 @@ function M.place_cursor_on_node()
   if not node or node.name == ".." then
     return
   end
-  node = utils.get_parent_of_group(node)
+  node = node:get_parent_of_group()
 
   local line = vim.api.nvim_get_current_line()
   local cursor = vim.api.nvim_win_get_cursor(0)

lua/nvim-tree/actions/moves/parent.lua

@@ -20,7 +20,7 @@ function M.fn(should_close)
       return
     end
 
-    local parent = utils.get_parent_of_group(node).parent
+    local parent = node:get_parent_of_group().parent
 
     if not parent or not parent.parent then
       return view.set_cursor({ 1, 0 })

lua/nvim-tree/lib.lua

@@ -79,19 +79,6 @@ function M.ungroup_empty_folders(node)
   end
 end
 
----TODO move to node
----@param node Node
----@return Node[]
-function M.get_all_nodes_in_group(node)
-  local next_node = utils.get_parent_of_group(node)
-  local nodes = {}
-  while next_node do
-    table.insert(nodes, next_node)
-    next_node = next_node.group_next
-  end
-  return nodes
-end
-
 ---TODO move to node
 -- Toggle group empty folders
 ---@param head_node Node
@@ -119,7 +106,7 @@ function M.expand_or_collapse(node, toggle_group)
     explorer:expand(node)
   end
 
-  local head_node = utils.get_parent_of_group(node)
+  local head_node = node:get_parent_of_group()
   if toggle_group then
     toggle_group_folders(head_node)
   end
@@ -131,7 +118,7 @@ function M.expand_or_collapse(node, toggle_group)
   else
     next_open = not open
   end
-  for _, n in ipairs(M.get_all_nodes_in_group(head_node)) do
+  for _, n in ipairs(head_node:get_all_nodes_in_group()) do
     n.open = next_open
   end
 

lua/nvim-tree/node/init.lua

@@ -1,5 +1,4 @@
 local git = require("nvim-tree.git")
-local utils = require("nvim-tree.utils")
 
 ---Abstract Node class.
 ---Uses the abstract factory pattern to instantiate child instances.
@@ -217,7 +216,7 @@ end
 
 ---Refresh contents and git status for a single node
 function BaseNode:refresh()
-  local parent_node = utils.get_parent_of_group(self)
+  local parent_node = self:get_parent_of_group()
   local toplevel = git.get_toplevel(self.absolute_path)
 
   git.reload_project(toplevel, self.absolute_path, function()
@@ -231,10 +230,30 @@ function BaseNode:refresh()
   end)
 end
 
+---Get the highest parent of grouped nodes
+---@return Node node or parent
+function BaseNode:get_parent_of_group()
+  local node = self
+  while node and node.parent and node.parent.group_next do
+    node = node.parent or node
+  end
+  return node
+end
+
+---@return Node[]
+function BaseNode:get_all_nodes_in_group()
+  local next_node = self:get_parent_of_group()
+  local nodes = {}
+  while next_node do
+    table.insert(nodes, next_node)
+    next_node = next_node.group_next
+  end
+  return nodes
+end
+
 ---Create a sanitized partial copy of a node, populating children recursively.
 ---@return BaseNode cloned
 function BaseNode:clone()
-
   ---@type Explorer
   local placeholder
 

lua/nvim-tree/utils.lua

@@ -173,16 +173,6 @@ function M.get_node_from_path(path)
     :iterate()
 end
 
----Get the highest parent of grouped nodes
----@param node Node
----@return Node node or parent
-function M.get_parent_of_group(node)
-  while node and node.parent and node.parent.group_next do
-    node = node.parent or node
-  end
-  return node
-end
-
 M.default_format_hidden_count = function(hidden_count, simple)
   local parts = {}
   local total_count = 0