cssnano mangles value if multiline with comment inside

[MadLittleMods]

I came across a very weird issue where when cssnano is enabled, it will stop other plugins from transforming the value.

The comment(/* some comment */) seems to be the messing with something as it works fine without it.

postcss([
    simplevariables(),
    cssnano()
]);

Input:

$color: #f00;

:root {
    box-shadow:
        inset 0 -10px 12px 0 $color,
        /* some comment */
        inset 0 0 5px 0 $color;
}

Expected:

:root {box-shadow: inset 0 -10px 12px 0 red,inset 0 0 5px 0 red}

Actual (wrong):

:root{box-shadow:inset 0 -10px 12px 0 $color,inset 0 0 5px 0 $color}

[TrySound]

@MadLittleMods Seems like it's variables problem. They process first.

[MadLittleMods]

@TrySound Just to be clear, the variables properly resolve when cssnano is disabled(commented-out). This also applies to any plugin that would do stuff to that value. It is as if cssnano is stopping the modification/resetting the value.

[ben-eb]

@MadLittleMods Fixed by postcss-discard-comments version 2.0.2.

[MadLittleMods]

@ben-eb 👍 cssnano is now working properly with my styles. Thank you for taking care of this so promptly :)