This module takes a string of CSS code and looks for the occurences of
image-height() and replaces them with the dimensions of the referenced images.
// build.jsconst fs = ;let css = fs;let newCss = cssimageBasePath: './images';fs;
You can pass an option object as the second parameter. Right now the only option you can set is the
imageBasePath will be prepended to the url that gets extracted from the