text: import Toast from './toast'
  
  
  let currentToast
  
  export default {
      install(Vue,options){
          Vue.prototype.$toast = function(message,toastOptions){
              if (currentToast){currentToast.close()}
              currentToast =  createToast({Vue,message,propsData:toastOptions,onClose:()=>{
                  currentToast = null
              }})
          }
      }
  }
  
  
  function createToast({Vue,message,propsData,onClose}){
      let Constructor = Vue.extend(Toast)
      let toast = new Constructor({propsData})
      toast.$slots.default = [message]
      toast.$mount()
      toast.$on('close',onClose)
      document.body.appendChild(toast.$el)
      return toast
  }