fix(renderer): indent markers + folder arrows should offset

fixes #1421

Author: kyazdani42

lua/nvim-tree/renderer/components/padding.lua

@@ -1,20 +1,21 @@
 local M = {}
 
-local function get_padding_indent_markers(depth, idx, nodes_number, markers)
-  local padding = ""
+local function get_padding_indent_markers(depth, idx, nodes_number, markers, with_arrows, node)
+  local default_padding = with_arrows and (not node.nodes or depth > 0) and "  " or ""
+  local padding = depth == 0 and default_padding or ""
 
-  if depth ~= 0 then
+  if depth > 0 then
     local rdepth = depth / 2
     markers[rdepth] = idx ~= nodes_number
     for i = 1, rdepth do
       if idx == nodes_number and i == rdepth then
-        padding = padding .. M.config.indent_markers.icons.corner
+        padding = padding .. default_padding .. M.config.indent_markers.icons.corner
       elseif markers[i] and i == rdepth then
-        padding = padding .. M.config.indent_markers.icons.item
+        padding = padding .. default_padding .. M.config.indent_markers.icons.item
       elseif markers[i] then
-        padding = padding .. M.config.indent_markers.icons.edge
+        padding = padding .. default_padding .. M.config.indent_markers.icons.edge
       else
-        padding = padding .. M.config.indent_markers.icons.none
+        padding = padding .. default_padding .. M.config.indent_markers.icons.none
       end
     end
   end
@@ -35,7 +36,8 @@ function M.get_padding(depth, idx, nodes_number, node, markers)
   local padding = ""
 
   if M.config.indent_markers.enable then
-    padding = padding .. get_padding_indent_markers(depth, idx, nodes_number, markers)
+    padding = padding
+      .. get_padding_indent_markers(depth, idx, nodes_number, markers, M.config.icons.show.folder_arrow, node)
   else
     padding = padding .. string.rep(" ", depth)
   end