Is include mode possible

I know pxtorem's ways to ignore px we don't wanna translate into rem: using PX and configure it with exclude and selectorBlackList option.
But in my case(also in some other guy's case), i just want a small part of my project being translated into rem, using these ways will be extremely time consuming and when i run npm run serve(i am using vue),the time spent is apparently prolonged, is it possible that we can enable an include or selectorWhiteList mode?
I haven't read about the source code, maybe i can pull a request.