vue.js

<template>
  <div>
    <ul>
      <li v-for="(item, index) in books$" :key="index">
        Title : {{ item.title }}, Price : {{ item.price }}
      </li>
    </ul>
  </div>
</template>

<script>
import { fetchBooks } from '@/api/books';
import { pluck } from 'rxjs/operators';

const books$ = fetchBooks().pipe(
  pluck('data', 'books'),
);

export default {
  name: 'HelloWorld',
  subscriptions: () => ({
    books$
  }),
}
</script>