vimeo_field.module

<?php

/**
 * @file
 * Contains vimeo_field.module
 */

/**
 * Implements hook_help().
 */

function vimeo_field_help($path, $arg)
{
  switch ($path) {
    case 'admin/help#vimeo_field':
      $output = 'Vimeo field to Drupal 8';
      return $output;
    break;
  }
}

/**
 * Implements hook_theme().
 */
function vimeo_field_theme() 
{
  $theme['vimeo_player'] = [ 
    'variables' => ['vids' => NULL],
    'template' => 'vimeo_player'
  ];  
 
  return $theme;
}