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

    a(href="#", class=classes)
        block