add BaseNode:is

Author: alex-courtis

lua/nvim-tree/marks/init.lua

@@ -8,6 +8,8 @@ local rename_file = require("nvim-tree.actions.fs.rename-file")
 local trash = require("nvim-tree.actions.fs.trash")
 local utils = require("nvim-tree.utils")
 
+local DirectoryNode = require "nvim-tree.node.directory"
+
 ---@class Marks
 ---@field config table hydrated user opts.filters
 ---@field private explorer Explorer
@@ -152,7 +154,7 @@ function Marks:bulk_move()
   local node_at_cursor = lib.get_node_at_cursor()
   local default_path = core.get_cwd()
 
-  if node_at_cursor and node_at_cursor.type == "directory" then
+  if node_at_cursor and node_at_cursor:is(DirectoryNode) then
     default_path = node_at_cursor.absolute_path
   elseif node_at_cursor and node_at_cursor.parent then
     default_path = node_at_cursor.parent.absolute_path

lua/nvim-tree/node/factory.lua

@@ -5,6 +5,8 @@ local Watcher = require("nvim-tree.watcher")
 
 local M = {}
 
+--- TODO merge #2922 and pass just stat, as stat.type from lstat is correct
+
 ---Factory function to create the appropriate Node
 ---@param explorer Explorer
 ---@param parent Node

lua/nvim-tree/node/init.lua

@@ -38,6 +38,23 @@ function BaseNode:destroy()
   end
 end
 
+---From plenary
+---Checks if the object is an instance
+---This will start with the lowest class and loop over all the superclasses.
+---@param self BaseNode
+---@param T BaseNode
+---@return boolean
+function BaseNode:is(T)
+  local mt = getmetatable(self)
+  while mt do
+    if mt == T then
+      return true
+    end
+    mt = getmetatable(mt)
+  end
+  return false
+end
+
 ---@return boolean
 function BaseNode:has_one_child_folder()
   return #self.nodes == 1 and self.nodes[1].nodes and vim.loop.fs_access(self.nodes[1].absolute_path, "R") or false