mixin badge(variant)
    -
        let classes = {
            'o-badge':       true,
            'o-badge--pill': !!attributes.pill,
            'o-badge--quiet': !!attributes.quiet,
            'o-menu__badge': !!attributes.menu,
        }
        if (attributes.size) {
            classes['o-badge--' + attributes.size] = true
        }
        if (variant) {
            classes['o-badge--' + variant] = true
        }

    if attributes.href
        a(href=attributes.href class=classes)
            if attributes.icon
                +icon(attributes.icon)
                = ' '
            span.o-badge__label
                block
    else
        span(class=classes)
            if attributes.icon
                +icon(attributes.icon)
                = ' '
            span.o-badge__label
                block