A sample controller for a WP_Query

sample-controller.php

<?php 
function prefix_get_post_type () {
  $args = array(
    'post_type' => 'post_type',
    'posts_per_page' => 10
  );
  // The Query
  $the_query = new WP_Query( $args );
  // Create empty posts array
  $posts = array();
  // The Loop
  if ( $the_query->have_posts() ) {
    while ( $the_query->have_posts() ) {
      $the_query->the_post();
      // Create new posts object
      $item = new stdClass();
      // Set the properties we want on the item
      $item->id           = get_the_ID();
      $item->title        = get_the_title();
      $item->content      = get_the_content();
      $item->excerpt      = get_the_excerpt();
      $item->link         = get_permalink();
      $item->date         = get_the_date('m.d.Y');
      $item->image        = get_the_post_thumbnail_url(get_the_ID(),'thumbnail');
      $item->exampleField = get_field('example_field');

      // Push item to posts array
      array_push($posts, $item);
    }
    // Restore original Post Data
    wp_reset_postdata();
  } else {
    // no posts found
  }
  
  // Print posts array to javascript for use in Vue
  $reshuffled_data = array(
      'l10n_print_after' => 'posts = ' . json_encode( $posts )
  );
  // Localize this to a script that exists on the page you are loading the controller
  wp_localize_script( 'vue', 'posts', $reshuffled_data );
}

?>