This does only one thing, and one thing only.
It exposes a reactive property $online to every component, which you can use like this:
<div v-if="!$online">
Opps! You are offline!
</div>That's all!
How to install
import VueOnlineProp from "vue-online-prop"
Vue.use(VueOnlineProp)It's a really tiny plugin (<1kb, unminified).