deep-deconstruct.js

// Pretend this is in a store somewhere.
const pageData = {
  title: 'My Data',
  copy: 'Lorem ipsum dolar sit amet',
  fields: {
    testimonial: {
      name: 'Bob Ross',
      copy: 'Everything is amazing'
    },
    rating: 5
  }
}

// ----

const { 
  title, copy, 
  fields: { rating, testimonial } 
} = pageData

return `
<h1>${title} <em>(${rating} out of 5)</em></h1>
<p>${copy}</p>

<blockquote>
  <p>${testimonial.copy}</p>
  <cite>${testimonial.name}</cite>
</blockquote>
`