refactor(#2942): multi instance: move get_node_from_path to Explorer

lua/nvim-tree/actions/finders/find-file.lua

@@ -32,7 +32,7 @@ function M.fn(path)
   local profile = log.profile_start("find file %s", path_real)
 
   -- refresh the contents of all parents, expanding groups as needed
-  if utils.get_node_from_path(path_real) == nil then
+  if explorer:get_node_from_path(path_real) == nil then
     explorer:refresh_parent_nodes_for_path(vim.fn.fnamemodify(path_real, ":h"))
   end
 

lua/nvim-tree/explorer/init.lua

@@ -572,6 +572,33 @@ function Explorer:find_node_line(node)
   return -1
 end
 
+-- get the node in the tree state depending on the absolute path of the node
+-- (grouped or hidden too)
+---@param path string
+---@return Node|nil
+---@return number|nil
+function Explorer:get_node_from_path(path)
+
+  if self.absolute_path == path then
+    return self
+  end
+
+  return Iterator.builder(self.nodes)
+    :hidden()
+    :matcher(function(node)
+      return node.absolute_path == path or node.link_to == path
+    end)
+    :recursor(function(node)
+      if node.group_next then
+        return { node.group_next }
+      end
+      if node.nodes then
+        return node.nodes
+      end
+    end)
+    :iterate()
+end
+
 ---Api.tree.get_nodes
 ---@return nvim_tree.api.Node
 function Explorer:get_nodes()

lua/nvim-tree/git/init.lua

@@ -233,7 +233,13 @@ local function reload_tree_at(toplevel)
   end
 
   log.line("watcher", "git event executing '%s'", toplevel)
-  local root_node = utils.get_node_from_path(toplevel)
+
+  local explorer = require("nvim-tree.core").get_explorer()
+  if not explorer then
+    return nil
+  end
+
+  local root_node = explorer:get_node_from_path(toplevel)
   if not root_node then
     return
   end
@@ -252,7 +258,7 @@ local function reload_tree_at(toplevel)
       end)
       :iterate()
 
-    root_node.explorer.renderer:draw()
+    explorer.renderer:draw()
   end)
 end