button(
  class="btn"
  :class="[`btn--${type}`, `btn--${size}`, { 'btn--disabled': disabled, 'btn--loading': loading }]"
  :disabled="disabled || loading"
  @click="handleClick"
)
  span(v-if="loading" class="btn__loader") Загрузка...
  span(v-else class="btn__text")
    slot