feat: never hide nested files, closes #199

Author: cseickel

lua/neo-tree/sources/common/file-items.lua

@@ -131,7 +131,12 @@ function set_parents(context, item)
     context.folders[parent.id] = parent
     set_parents(context, parent)
   end
-  table.insert((nesting_parent and nesting_parent.children) or parent.children, item)
+  if nesting_parent then
+    table.insert(nesting_parent.children, item)
+    item.is_nested = true
+  else
+    table.insert(parent.children, item)
+  end
   context.existing_items[item.id] = true
 
   if item.filtered_by == nil and type(parent.filtered_by) == "table" then

lua/neo-tree/ui/renderer.lua

@@ -80,7 +80,7 @@ local remove_filtered = function(source_items, filtered_items)
   for _, child in ipairs(source_items) do
     local fby = child.filtered_by
     if type(fby) == "table" then
-      if filtered_items.visible and not fby.never_show then
+      if (filtered_items.visible or child.is_nested) and not fby.never_show then
         table.insert(filtered, child)
       end
     else
@@ -113,6 +113,7 @@ create_nodes = function(source_items, state, level)
       loaded = item.loaded,
       filtered_by = item.filtered_by,
       extra = item.extra,
+      is_nested = item.is_nested,
       -- TODO: The below properties are not universal and should not be here.
       -- Maybe they should be moved to the "extra" field?
       is_link = item.is_link,