cubing
Add a heuristic for detecting slice moves.
e.g. L R' is interpreted as M' together with an orientation change (see cubing/cuble.js#4) if they fire within 0.1s of each other.
(Warning: high level thought that might not fit with your goals here). Is this project meant to be a javascript library to help you interface with a Giiker/GoCube/XYZ bluetooth connected Rubik's cube? If so, then I feel like the sort of heuristic defined in the original post is outside of the scope of what I'd expect such a library to do. I'd rather that the library have support for cubing/cuble.js#4, and that users of the library would be able to easily build rotation heuristics like this themselves.
Yeah, I'm not sure we necessarily need this in the base library. We certainly shouldn't enable it by default. But making this easy to use might require some sort of heuristic plugin/callback API.