Example source for "theme it once" blog post.

theme_it_once.info

name = Theme it Once Example
description = Example of sharing markup with a front-end and back-end template engine in Drupal.
core = 7.x

theme_it_once.js

/**
 * @file
 * Front-end code for "Theme it Once."
 * 
 * This assumes dust.js will be included on the page.
 */
(function (Drupal, $, dust) {
  
  Drupal.behaviors.themeItOnce = {
    attach: function (context, settings) {
      var itemTemplate = dust.compile($('#example-item-template', context).html(), 'item');
      dust.loadSource(itemTemplate);
      
      dust.render(
        'item', 
        {
          name: 'three',
          description: 'Cred donec et arcu Brooklyn nulla integer lectus vegan non vivamus sagittis vegan nam tellus.'
        },
        function (err, out) {
          $('#example-items', context).append(out);
        }
      );
      
    }
  };
  
}(Drupal, jQuery, dust))

theme_it_once.module

<?php

/**
 * @file
 * Sample module for "Theme it Once."
 */

/**
 * Implements hook_menu().
 */
function theme_it_once_menu() {
  $items = array();
  
  $items['example'] = array(
    'title' => 'Example items',
    'page callback' => 'theme_it_once_items',
    'access arguments' => array('access content'),
  );
  
  return $items;
}

/**
 * Implements hook_theme().
 */
function theme_it_once_theme($existing, $type, $theme, $path) {
  return array(
    'tio_item' => array(
      'variables' => array('name' => '', 'description' => ''),
      'template' => 'tio-item'
    ),
  );
}

/**
 * Returns a list of example items.
 */
function theme_it_once_items() {
  $items = array(
    theme('tio_item', array('name' => 'one', 'description' => 'Bicycle auctor duis sagittis maecenas bibendum bibendum ut wire-rimmed glasses ligula integer mattis tellus mauris quam malesuada before they sold out.')),
    theme('tio_item', array('name' => 'two', 'description' => '+1 eget eget ipsum lorem tofu sit proin magna lorem DIY donec porttitor maecenas risus bicycle ipsum.')),
  );
  
  return array(
    'items' => array(
      '#theme' => 'item_list',
      '#items' => $items,
      '#attributes' => array(
        'id' => 'example-items',
      )
    ),
    'template' => array(
      '#theme' => 'tio_item',
      '#name' => '{name}',
      '#description' => '{description}',
      '#prefix' => '<script id="example-item-template" type="text/template"><li>',
      '#suffix' => '</li></script>',
    ),
    '#attached' => array(
      'js' => array(
        drupal_get_path('module', 'theme_it_once') . '/z-dust-full-0.3.0.min.js' => array(
          'type' => 'file',
        ),
        drupal_get_path('module', 'theme_it_once') . '/theme_it_once.js' => array(
          'type' => 'file',
        ),
      ),
    ),
  );
}

tio-item.dust.html

<li>
  <h4 class="item-name">{name}</h4>
  <p>{description}</p>
</li>

tio-item.tpl.php

<h4 class="item-name"><?php print $name; ?></h4>
<p><?php print $description; ?></p>

z-dust-full-0.3.0.min.js

//
// Dust - Asynchronous Templating v0.3.0
// http://akdubya.github.com/dustjs
//
// Copyright (c) 2010, Aleksander Williams
// Released under the MIT License.
//

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