text: import Header from './header'
  import Footer from './footer'
  import Item from './item'
  import Helper from './helper'
  import Notification from './notification'
  import $Tabs from './tabs'
  
  const Tab = $Tabs.Tab
  const Tabs = $Tabs.Tabs
  
  const components = {
    Header,
    Footer,
    Item,
    Helper,
    Notification,
    Tab,
    Tabs
  }
  
  const install = (Vue) => {
    for (let name in components) {
      if (components[name].install) components[name].install(Vue)
    }
  }
  
  if (typeof window !== 'undefined' && window.Vue) {
    install(window.Vue)
  }
  
  export default {
    install
  }