create_template

# File actionpack/lib/action_dispatch/middleware/debug_exceptions.rb, line 118
      def create_template(request, wrapper)
        DebugView.new(
          request: request,
          exception_wrapper: wrapper,
          # Everything should use the wrapper, but we need to pass `exception` for legacy
          # code.
          exception: wrapper.exception,
          traces: wrapper.traces,
          show_source_idx: wrapper.source_to_show_id,
          trace_to_show: wrapper.trace_to_show,
          routes_inspector: routes_inspector(wrapper),
          source_extracts: wrapper.source_extracts,
          exception_message_for_copy: compose_exception_message(wrapper).join("\n"),
        )
      end