You can reactively handle errors raised by Vue.config.errorHandler
.
$ yarn add vue-reactive-error-handler
import { ReactiveErrorHandler } from "vue-reactive-error-handler";
Vue.use(ReactiveErrorHandler);
<template>
<div>
error: <span v-if="$error.value">{{ $error.value.message }}</span>
</div>
</template>
See example
directory.