fix(files): fix nil reference errors related to spit browsing

Author: cseickel

lua/neo-tree/sources/common/commands.lua

@@ -156,8 +156,9 @@ end
 ---open/closed
 local open_with_cmd = function(state, open_cmd, toggle_directory)
   local tree = state.tree
-  local node = tree:get_node()
-  if not node then
+  local success, node = pcall(tree.get_node, tree)
+  if not success and node then
+    log.error("Could not get node.")
     return
   end
   if node.type == "directory" then

lua/neo-tree/sources/filesystem/init.lua

@@ -173,8 +173,8 @@ M.reset_search = function(state, refresh, open_current_node)
   state.open_folders_before_search = nil
   if refresh then
     if open_current_node then
-      local node = state.tree:get_node()
-      if node then
+      local success, node = pcall(state.tree.get_node, state.tree)
+      if success and node then
         local path = node:get_id()
         state.position.set(path)
         if node.type == "directory" then

lua/neo-tree/sources/manager.lua

@@ -413,11 +413,15 @@ M.reveal_in_split = function(source_name, callback)
   local state = M.get_state(source_name, nil, vim.api.nvim_get_current_win())
   state.current_position = "split"
   local path_to_reveal = M.get_path_to_reveal()
+  if not path_to_reveal then
+    M.navigate(state, nil, nil, callback)
+    return
+  end
   local cwd = state.path
   if cwd == nil then
     cwd = M.get_cwd(state)
   end
-  if not utils.is_subpath(cwd, path_to_reveal) then
+  if cwd and not utils.is_subpath(cwd, path_to_reveal) then
     state.path = utils.split_path(path_to_reveal)[1]
   end
   M.navigate(state, state.path, path_to_reveal, callback)