kouto-swiss/lib/kouto-swiss/utilities/media-query.styl

A complete CSS framework for Stylus

_parse-media-query-conditions( conditions, skipMedia = false )
    parsed-conditions = ()
    for condition, index in conditions
        if index is 0 and skipMedia is false
            push( parsed-conditions, ( join( " ", condition ) ) )
        else
            push( parsed-conditions, "(" + condition[ 0 ] + ": " + condition[ 1 ] + ")" )
    return unquote( join( " and ", parsed-conditions ) )

ks-media-query( media = all, conditions... )
    if ks-support-media-queries
        query = length( media[ 0 ] ) > 1 ? _parse-media-query-conditions( media ) : join( " ", media )
        if length( conditions )
            query = query + " and " + _parse-media-query-conditions( conditions, true )
        @media query
            {block}
    else
        {block}

media-query = ks-media-query unless ks-no-conflict