Nuxt/examples/plugins-vendor/plugins/vue-notifications.js

// This code will be injected before initializing the root App
import Vue from 'vue'
import VueNotifications from 'vue-notifications'
// Include mini-toaster (or any other UI-notification library
import miniToastr from 'mini-toastr'

// Here we setup messages output to `mini-toastr`
const toast = function ({ title, message, type, timeout, cb }) {
  return miniToastr[type](message, title, timeout, cb)
}

// Binding for methods .success(), .error() and etc. You can specify and map your own methods here.
// Required to pipe our outout to UI library (mini-toastr in example here)
// All not-specified events (types) would be piped to output in console.
const options = {
  success: toast,
  error: toast,
  info: toast,
  warn: toast
}

// Activate plugin
Vue.use(VueNotifications, options)