Fix lint error

Author: ghostbuster91

lua/nvim-tree/actions/tree/modifiers/expand.lua

@@ -44,18 +44,18 @@ end
 
 ---@param expansion_count integer
 ---@param node Node
----@param should_descend fun(expansion_count: integer, node: Node): boolean
+---@param should_descend fun(expansion_count: integer, node: DirectoryNode): boolean
 ---@return boolean
 local function should_expand(expansion_count, node, should_descend)
   local dir = node:as(DirectoryNode)
   if not dir then
     return false
   end
 
-  if not dir.open and should_descend(expansion_count, node) then
-    core.get_explorer():expand(node)
-    if node.group_next then
-      return should_expand(expansion_count, node.group_next, should_descend)
+  if not dir.open and should_descend(expansion_count, dir) then
+    core.get_explorer():expand(dir) -- populate node.group_next
+    if dir.group_next then
+      return should_expand(expansion_count, dir.group_next, should_descend)
     else
       return true
     end
@@ -64,7 +64,7 @@ local function should_expand(expansion_count, node, should_descend)
 end
 
 
----@param should_descend fun(expansion_count: integer, node: Node): boolean
+---@param should_descend fun(expansion_count: integer, node: DirectoryNode): boolean
 ---@return fun(node): any
 local function gen_iterator(should_descend)
   local expansion_count = 0

lua/nvim-tree/api.lua

@@ -188,7 +188,7 @@ Api.tree.search_node = wrap(actions.finders.search_node.fn)
 Api.tree.collapse_all = wrap(actions.tree.modifiers.collapse.all)
 
 ---@class ApiTreeExpandOpts
----@field expand_until (fun(expansion_count: integer, node: Node): boolean)|nil
+---@field expand_until (fun(expansion_count: integer, node: DirectoryNode): boolean)|nil
 
 Api.tree.expand_all = wrap_node(actions.tree.modifiers.expand.all)
 Api.tree.toggle_enable_filters = wrap_explorer_member("filters", "toggle")