function advagg_js_compress_jsminplus in Advanced CSS/JS Aggregation 7

Same name and namespace in other branches

1. 6 advagg_js_compress/advagg_js_compress.module \advagg_js_compress_jsminplus()
2. 7.2 advagg_js_compress/advagg_js_compress.advagg.inc \advagg_js_compress_jsminplus()

Compress a JS string using jsmin+

Parameters

$contents: Javascript string.

Return value

array with the size before and after.

3 calls to advagg_js_compress_jsminplus()

advagg_js_compress_advagg_js_inline_alter in advagg_js_compress/advagg_js_compress.module

Implements hook_advagg_js_inline_alter().

advagg_js_compress_prep in advagg_js_compress/advagg_js_compress.module

Compress a JS string

advagg_js_compress_test_file in advagg_js_compress/advagg_js_compress.module

Run various theme functions so the cache is primed.

File

advagg_js_compress/advagg_js_compress.module, line 278

Advanced CSS/JS aggregation js compression module.

Code

function advagg_js_compress_jsminplus(&$contents) {

  // Try to allocate enough time to run JSMin+.
  if (function_exists('set_time_limit')) {
    @set_time_limit(240);
  }

  // JSMin+ the contents of the aggregated file.
  require_once DRUPAL_ROOT . '/' . drupal_get_path('module', 'advagg_js_compress') . '/jsminplus.inc';

  // Strip Byte Order Marks (BOM's) from the file, JSMin+ cannot parse these.
  $before = strlen($contents);
  $original_contents = $contents;
  try {
    $contents = str_replace(pack("CCC", 0xef, 0xbb, 0xbf), "", $contents);
    ob_start();
    $contents = JSMinPlus::minify($contents);
    $error = trim(ob_get_contents());
    if (!empty($error)) {
      throw new Exception($error);
    }
    $after = strlen($contents);
  } catch (Exception $e) {

    // Log the exception thrown by JSMin+ and roll back to uncompressed content.
    watchdog('advagg', $e
      ->getMessage() . '<pre>' . $original_contents . '</pre>', NULL, WATCHDOG_WARNING);
    $contents = $original_contents;
    $after = $before;
  }
  ob_end_clean();
  return array(
    $before,
    $after,
  );
}