Custom Gutenberg bloc with Roots Sage & Blade

testimonial.blade.php

{{--
  Title: Témoignage
  Description: test
  Category: formatting
  Icon: admin-comments
  Keywords: testimonial quote
--}}

<blockquote data-{{$block['id']}} class="{{$block['classes']}}">
    <p>{{the_field('testimonial')}}</p>
    <cite>
      <img src="{{get_field('picture')['url']}}" alt="{{get_field('picture')['alt']}}" />
      <span>{{the_field('author')}}</span>
    </cite>
    @include('components.btn', get_field('link'))
</blockquote>

<style type="text/css">
  [data-{{$block['id']}}] {
    background: {{get_field('color')}};
  }
</style>