This PR implements cssnano when minify is true, mirroring the js-reader API.
Autoprefixer is added as a layer similar to core-js to ensure both that older browsers aren't left behind because a prefix were forgotten about, nor that modern browsers pay for old legacy CSS full of vendor prefixes that isn't needed anymore at all. Because of that it's not toggled by the minify option, as that option does not change the behavior of the CSS, only the amount of CSS over the wire.
This PR implements cssnano when
minify
is true, mirroring the js-reader API.Autoprefixer is added as a layer similar to core-js to ensure both that older browsers aren't left behind because a prefix were forgotten about, nor that modern browsers pay for old legacy CSS full of vendor prefixes that isn't needed anymore at all. Because of that it's not toggled by the
minify
option, as that option does not change the behavior of the CSS, only the amount of CSS over the wire.