Add new parameter to expand function

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

@@ -29,13 +29,13 @@ end
 ---@param expansion_count integer
 ---@param node Node
 ---@return boolean
-local function should_expand(expansion_count, node)
+local function expand_until_max_or_empty(expansion_count, node)
   local should_halt = expansion_count >= M.MAX_FOLDER_DISCOVERY
   local should_exclude = M.EXCLUDE[node.name]
   return not should_halt and node.nodes and not node.open and not should_exclude
 end
 
-local function gen_iterator()
+local function gen_iterator(should_expand)
   local expansion_count = 0
 
   return function(parent)
@@ -64,9 +64,10 @@ local function gen_iterator()
 end
 
 ---@param base_node table
-function M.fn(base_node)
+function M.fn(base_node, expand_until)
+  expand_until = expand_until or expand_until_max_or_empty
   local node = base_node.nodes and base_node or core.get_explorer()
-  if gen_iterator()(node) then
+  if gen_iterator(expand_until)(node) then
     notify.warn("expansion iteration was halted after " .. M.MAX_FOLDER_DISCOVERY .. " discovered folders")
   end
   renderer.draw()