For eyeglass, the eyeglass-math module can be used
which offers pow that allows non-integer exponents natively.
Which means that just eyeglass-math has to be added as dependency to the package.json
and ms-pow needs a little switch to detect the presence of it so it can use it or the polyfill instead.
Concerning non-integer exponents (pow).
There is a polyfill proposed as bitters/bourbon issue + gist on the web:
For eyeglass, the eyeglass-math module can be used which offers pow that allows non-integer exponents natively.