move lib.get_node_at_cursor to Explorer

lua/nvim-tree/explorer/init.lua

@@ -1,3 +1,4 @@
+local core = require("nvim-tree.core")
 local git = require("nvim-tree.git")
 local log = require("nvim-tree.log")
 local notify = require("nvim-tree.notify")
@@ -386,6 +387,19 @@ function Explorer:get_cursor_position()
   return vim.api.nvim_win_get_cursor(winnr)
 end
 
+---@return Node|nil
+function Explorer:get_node_at_cursor()
+  local cursor = self:get_cursor_position()
+  if not cursor then
+    return
+  end
+
+  if cursor[1] == 1 and view.is_root_folder_visible(core.get_cwd()) then
+    return self
+  end
+
+  return utils.get_nodes_by_line(self.nodes, core.get_nodes_starting_line())[cursor[1]]
+end
 
 function Explorer:setup(opts)
   config = opts

lua/nvim-tree/explorer/live-filter.lua

@@ -196,7 +196,7 @@ local function create_overlay(self)
 end
 
 function LiveFilter:start_filtering()
-  view.View.live_filter.prev_focused_node = require("nvim-tree.lib").get_node_at_cursor()
+  view.View.live_filter.prev_focused_node = self.explorer:get_node_at_cursor()
   self.filter = self.filter or ""
 
   self.explorer.renderer:draw()
@@ -210,7 +210,7 @@ function LiveFilter:start_filtering()
 end
 
 function LiveFilter:clear_filter()
-  local node = require("nvim-tree.lib").get_node_at_cursor()
+  local node = self.explorer:get_node_at_cursor()
   local last_node = view.View.live_filter.prev_focused_node
 
   self.filter = nil