fixup! Exclude empty paths from spec

lib/open_api_spex/path_item.ex

@@ -69,24 +69,21 @@ defmodule OpenApiSpex.PathItem do
     |> from_valid_routes()
   end
 
-  def empty?(%__MODULE__{} = path_item) do
-    path_item == %__MODULE__{}
-  end
-
   @spec from_valid_routes([route]) :: nil | t
   defp from_valid_routes([]), do: nil
 
   defp from_valid_routes(routes) do
-    attrs =
-      routes
-      |> Enum.map(fn route ->
-        case Operation.from_route(route) do
-          nil -> nil
-          op -> {route.verb, op}
-        end
-      end)
-      |> Enum.filter(& &1)
-
-    struct(PathItem, attrs)
+    routes
+    |> Enum.map(fn route ->
+      case Operation.from_route(route) do
+        nil -> nil
+        op -> {route.verb, op}
+      end
+    end)
+    |> Enum.filter(& &1)
+    |> case do
+      [] -> nil
+      attrs -> struct(PathItem, attrs)
+    end
   end
 end

lib/open_api_spex/paths.ex

@@ -39,7 +39,6 @@ defmodule OpenApiSpex.Paths do
       |> Enum.group_by(fn route -> route.path end)
       |> Enum.map(fn {k, v} -> {open_api_path(k), PathItem.from_routes(v)} end)
       |> Enum.filter(fn {_k, v} -> !is_nil(v) end)
-      |> Enum.reject(fn {_k, v} -> PathItem.empty?(v) end)
       |> Map.new()
 
     paths