function advagg_mod_wrap_inline_js in Advanced CSS/JS Aggregation 7.2

Callback for preg_replace_callback.

Used to wrap inline JS in a function in order to prevent js errors when JS is moved to the footer, or when js is loaded async.

Parameters

array $matches: $matches[0] is the full string; $matches[2] is just the JavaScript.

string $check_string: JavaScript if statement; when true, run the inline code.

int $ms_wait: Default amount of time to wait until the required code is available.

Return value

string Inline javascript code wrapped up in a loader to prevent errors.

6 calls to advagg_mod_wrap_inline_js()

advagg_mod_advagg_modify_css_pre_render_alter in advagg_mod/advagg_mod.module

Implements hook_advagg_modify_css_pre_render_alter().

advagg_mod_defer_inline_js in advagg_mod/advagg_mod.module

Callback for preg_replace_callback.

advagg_mod_devel_query_put_contents in advagg_mod/advagg_mod.module

Writes the variables information to a file.

advagg_mod_inline_defer in advagg_mod/advagg_mod.module

Defer inline js by using setTimeout.

advagg_mod_js_async_defer in advagg_mod/advagg_mod.module

Add the defer and or the async tag to js.

... See full list

1 string reference to 'advagg_mod_wrap_inline_js'

advagg_mod_js_inline_processor in advagg_mod/advagg_mod.module

Given html, do some processing on the script tags included inside it.

File

advagg_mod/advagg_mod.module, line 2922

Advanced aggregation modifier module.

Code

function advagg_mod_wrap_inline_js(array $matches, $check_string = NULL, $ms_wait = 250) {
  list(, , , $inline_wrapper_list, $inline_js_wrap_skip_list) = advagg_mod_get_lists();
  if (empty($check_string)) {
    foreach ($inline_wrapper_list as $search_string => $js_condition) {
      if (strpos($matches[2], $search_string) !== FALSE) {
        $check_string = $js_condition;
        break;
      }
    }
    if (empty($check_string)) {
      $check_string = 'window.jQuery && window.Drupal && window.Drupal.settings';
    }
  }

  // Always wrap inline if it contains jquery or drupal.
  if (!empty($inline_js_wrap_skip_list) && stripos($matches[2], '(jQuery') === FALSE && stripos($matches[2], 'jQuery.') === FALSE && stripos($matches[2], '(Drupal') === FALSE && stripos($matches[2], 'Drupal.') === FALSE) {

    // If the line is on the skip list then do not inline the script.
    foreach ($inline_js_wrap_skip_list as $string_to_check) {
      if (stripos($matches[2], $string_to_check) !== FALSE) {
        return $matches[0];
      }
    }
  }

  // Use a counter in order to create unique function names.
  static $counter;
  ++$counter;

  // JS wrapper code.
  $new = "\nfunction advagg_mod_{$counter}() {\n  // Count how many times this function is called.\n  advagg_mod_{$counter}.count = ++advagg_mod_{$counter}.count || 1;\n  try {\n    if (advagg_mod_{$counter}.count <= 40) {\n      {$matches[2]}\n\n      // Set this to 100 so that this function only runs once.\n      advagg_mod_{$counter}.count = 100;\n    }\n  }\n  catch(e) {\n    if (advagg_mod_{$counter}.count >= 40) {\n      // Throw the exception if this still fails after running 40 times.\n      throw e;\n    }\n    else {\n      // Try again in {$ms_wait} ms.\n      window.setTimeout(advagg_mod_{$counter}, {$ms_wait});\n    }\n  }\n}\nfunction advagg_mod_{$counter}_check() {\n  if ({$check_string}) {\n    advagg_mod_{$counter}();\n  }\n  else {\n    window.setTimeout(advagg_mod_{$counter}_check, {$ms_wait});\n  }\n}\nadvagg_mod_{$counter}_check();";
  $return = str_replace($matches[2], $new, $matches[0]);
  return $return;
}