protected function JsCollectionOptimizer::generateHash in Drupal 9

Same name and namespace in other branches

1. 8 core/lib/Drupal/Core/Asset/JsCollectionOptimizer.php \Drupal\Core\Asset\JsCollectionOptimizer::generateHash()

Generate a hash for a given group of JavaScript assets.

Parameters

array $js_group: A group of JavaScript assets.

Return value

string A hash to uniquely identify the given group of JavaScript assets.

1 call to JsCollectionOptimizer::generateHash()

JsCollectionOptimizer::optimize in core/lib/Drupal/Core/Asset/JsCollectionOptimizer.php

The cache file name is retrieved on a page load via a lookup variable that contains an associative array. The array key is the hash of the names in $files while the value is the cache file name. The cache file is generated in two cases. First, if…

File

core/lib/Drupal/Core/Asset/JsCollectionOptimizer.php, line 171

Class

JsCollectionOptimizer

Optimizes JavaScript assets.

Namespace

Drupal\Core\Asset

Code

protected function generateHash(array $js_group) {
  $js_data = [];
  foreach ($js_group['items'] as $js_file) {
    $js_data[] = $js_file['data'];
  }
  return hash('sha256', serialize($js_data));
}