fix(neo-tree): improve h and l navigation edge cases for empty di…

…rectories and nested files

lua/astronvim/plugins/neo-tree.lua

@@ -106,21 +106,25 @@ return {
         end,
         parent_or_close = function(state)
           local node = state.tree:get_node()
-          if (node.type == "directory" or node:has_children()) and node:is_expanded() then
+          if node:has_children() and node:is_expanded() then
             state.commands.toggle_node(state)
           else
             require("neo-tree.ui.renderer").focus_node(state, node:get_parent_id())
           end
         end,
         child_or_open = function(state)
           local node = state.tree:get_node()
-          if node.type == "directory" or node:has_children() then
+          if node:has_children() then
             if not node:is_expanded() then -- if unexpanded, expand
               state.commands.toggle_node(state)
             else -- if expanded and has children, seleect the next child
-              require("neo-tree.ui.renderer").focus_node(state, node:get_child_ids()[1])
+              if node.type == "file" then
+                state.commands.open(state)
+              else
+                require("neo-tree.ui.renderer").focus_node(state, node:get_child_ids()[1])
+              end
             end
-          else -- if not a directory just open it
+          else -- if has no children
             state.commands.open(state)
           end
         end,