--- /dev/null
+<?php
+
+/**
+ * @file
+ * Advanced aggregation modifier module.
+ */
+
+// Core hook implementations.
+/**
+ * Implements hook_js_alter().
+ */
+function advagg_mod_js_alter(&$js) {
+ if (\Drupal::moduleHandler()->moduleExists('advagg') && !advagg_enabled()) {
+ return;
+ }
+ $config = \Drupal::config('advagg_mod.settings');
+
+ $css_defer = $config->get('css_defer');
+
+ // Use the current file system path for advagg_mod.
+ $module_path = drupal_get_path('module', 'advagg_mod');
+ if (advagg_mod_css_defer_active() && isset($js[$module_path . '/js/loadCSS.js'])) {
+ if ($css_defer == 3) {
+ $js[$module_path . '/js/loadCSS.js']['scope'] = 'header';
+ $js[$module_path . '/js/css_defer.js']['scope'] = 'header';
+ }
+ $css_defer_js_code = $config->get('css_defer_js_code');
+ if ($css_defer_js_code == 0) {
+ $js[$module_path . '/js/loadCSS.js']['inline'] = TRUE;
+ $js[$module_path . '/js/css_defer.js']['inline'] = TRUE;
+ }
+ elseif ($css_defer_js_code == 4) {
+ $js[$module_path . '/js/loadCSS.js']['type'] = 'external';
+ $js[$module_path . '/js/loadCSS.js']['data'] = '//cdn.rawgit.com/filamentgroup/loadCSS/master/src/loadCSS.js';
+ }
+ }
+
+ // Change sort order so aggregates do not get split up.
+ if ($config->get('js_adjust_sort_external') || $config->get('js_adjust_sort_browsers')) {
+ advagg_mod_sort_css_js($js, 'js');
+ }
+
+ // Move JS to the footer.
+ if ($config->get('js_footer')) {
+ advagg_mod_js_move_to_footer($js);
+ }
+
+ // Force all JS to be preprocessed.
+ if ($config->get('js_preprocess')) {
+ foreach ($js as $path => &$values) {
+ // However CKEditor must not be combined or errors *will* occur.
+ if ($path == 'core/assets/vendor/ckeditor/ckeditor.js') {
+ continue;
+ }
+ $values['preprocess'] = TRUE;
+ $values['cache'] = TRUE;
+ }
+ unset($values);
+ }
+
+ // Add the defer or the async tag to JS.
+ advagg_mod_js_async_defer($js);
+
+ // Move all async JS to the header.
+ if ($config->get('js_async_in_header')) {
+ foreach ($js as &$values) {
+ // Skip if not file or external.
+ if ($values['type'] !== 'file' && $values['type'] !== 'external') {
+ continue;
+ }
+ // Skip if not async.
+ if (empty($values['async']) && empty($values['attributes']['async'])) {
+ continue;
+ }
+
+ // Move to the header with a group of 1000.
+ $values['scope'] = 'header';
+ $values['group'] = 1000;
+ }
+ unset($values);
+ }
+}
+
+/**
+ * Implements hook_css_alter().
+ */
+function advagg_mod_css_alter(&$css) {
+ if (\Drupal::moduleHandler()->moduleExists('advagg') && !advagg_enabled()) {
+ return;
+ }
+ $config = \Drupal::config('advagg_mod.settings');
+ if ($config->get('css_adjust_sort_external') || $config->get('css_adjust_sort_browsers')) {
+ advagg_mod_sort_css_js($css, 'css');
+ }
+
+ // Force all CSS to be preprocessed.
+ if ($config->get('css_preprocess')) {
+ foreach ($css as &$values) {
+ $values['preprocess'] = TRUE;
+ }
+ unset($values);
+ }
+}
+
+/**
+ * Implements hook_page_attachments_alter().
+ */
+function advagg_mod_page_attachments_alter(array &$page) {
+ if (advagg_mod_css_defer_active()) {
+ $page['#attached']['library'][] = 'advagg_mod/css_defer';
+ }
+}
+
+// AdvAgg hook implementations.
+/**
+ * Implements hook_advagg_current_hooks_hash_array_alter().
+ */
+function advagg_mod_advagg_current_hooks_hash_array_alter(array &$aggregate_settings) {
+ $aggregate_settings['variables']['advagg_mod'] = \Drupal::config('advagg_mod.settings')->get();
+}
+
+/**
+ * Implements hook_advagg_asset_render_alter().
+ */
+function advagg_mod_advagg_asset_render_alter(&$assets, $render_type, $asset_type) {
+ if (!advagg_enabled()) {
+ return;
+ }
+
+ if ($render_type == 'html') {
+ if ($asset_type == 'styles') {
+ foreach ($assets as &$value) {
+ if (!empty($value['#inline'])) {
+ $value['#value'] = @file_get_contents($value['#attributes']['href']);
+ if ($value['#value']) {
+ unset($value['#attributes']['href']);
+ }
+ }
+ elseif (advagg_mod_css_defer_active()) {
+ // Skip prefetch links and inline styles.
+ if ($value['#tag'] == 'style') {
+ continue;
+ }
+ $value['#attributes']['class'][] = 'advagg-css-defer';
+ $value['#noscript'] = TRUE;
+ }
+ }
+ unset($value);
+ }
+ elseif ($asset_type == 'scripts' || $asset_type == 'scripts_bottom') {
+ foreach ($assets as &$value) {
+ if (!empty($value['#inline'])) {
+ $value['#value'] = @file_get_contents($value['#attributes']['src']);
+ if ($value['#value']) {
+ unset($value['#attributes']['src']);
+ }
+ }
+ }
+ }
+ }
+}
+
+/**
+ * Implements hook_advagg_hooks_implemented_alter().
+ */
+function advagg_mod_advagg_hooks_implemented_alter(&$hooks, $all) {
+ if ($all) {
+ $hooks += [
+ 'advagg_mod_get_lists_alter' => [],
+ ];
+ }
+}
+
+/**
+ * Implements hook_advagg_asset_path_alter().
+ */
+function advagg_mod_advagg_asset_path_alter(&$path, $extension) {
+ if ($dir = rtrim(\Drupal::config('advagg_mod.settings')->get('unified_multisite_dir'), '/')) {
+ if ($extension == 'js') {
+ $path = $dir . '/js';
+ }
+ elseif ($extension == 'css') {
+ $path = $dir . '/css';
+ }
+ }
+}
+
+// Helper Functions.
+/**
+ * Generate a list of rules and exceptions for js files.
+ *
+ * Controls no async/defer file list.
+ *
+ * @return array
+ * A multidimensional array.
+ */
+function advagg_mod_get_lists() {
+ $lists = &drupal_static(__FUNCTION__);
+ if (!isset($lists)) {
+ // Do not defer/async list.
+ $no_async_defer_list = [
+ // Wistia js.
+ '//fast.wistia.',
+ // Maps.
+ '//maps.googleapis.com',
+ '//dev.virtualearth.net',
+ '//api.maps.yahoo.com',
+ ];
+ $no_move = [
+ '//cdn.rawgit.com/stubbornella/csslint/master/release/csslint.js',
+ ];
+
+ // Allow other modules to add/edit the above lists.
+ // Call hook_advagg_mod_get_lists_alter().
+ $lists = [
+ $no_async_defer_list,
+ $no_move,
+ ];
+ \Drupal::moduleHandler()->alter('advagg_mod_get_lists', $lists);
+ }
+ return $lists;
+}
+
+/**
+ * Move JS to the footer.
+ *
+ * @param array $js
+ * JS array.
+ */
+function advagg_mod_js_move_to_footer(array &$js) {
+ // Move all JS to the footer.
+ $move_js_to_footer = \Drupal::config('advagg_mod.settings')->get('js_footer');
+ $core_header_js = [
+ 'core/assets/vendor/modernizr/modernizr.min.js' => 0,
+ 'core/assets/vendor/html5shiv/html5shiv.min.js' => 0,
+ ];
+
+ foreach ($js as $key => &$values) {
+ // Skip if a core header file and configured to do so.
+ if ($move_js_to_footer == 3 && isset($core_header_js[$key])) {
+ continue;
+ }
+
+ // Skip if the scope has been locked.
+ if (!empty($values['scope_lock'])) {
+ continue;
+ }
+
+ // If JS is not in the header decrease weight by 10000.
+ if ($values['scope'] === 'header') {
+ $values['weight'] -= 10000;
+ }
+ // If JS is already in the footer decrease weight by 10000.
+ if ($values['scope'] !== 'footer') {
+ $values['weight'] -= 10000;
+ }
+ $values['scope'] = 'footer';
+ }
+ unset($values);
+}
+
+/**
+ * Add the defer and or the async tag to js.
+ *
+ * @param array $js
+ * JS array.
+ */
+function advagg_mod_js_async_defer(array &$js) {
+ // Return early if this is disabled.
+ $config = \Drupal::config('advagg_mod.settings');
+ $defer = $config->get('js_defer');
+ $async = $config->get('js_async');
+ list($no_async_defer_list) = advagg_mod_get_lists();
+
+ // Make all scripts defer and/or async.
+ foreach ($js as $name => &$values) {
+ $values['attributes'] = [];
+ // Defer all scripts.
+ if ($defer) {
+ $values['attributes']['defer'] = TRUE;
+
+ // Do not defer external scripts setting.
+ if ($defer == 2 && $values['type'] === 'external') {
+ unset($values['attributes']['defer']);
+ }
+ }
+
+ // Async all scripts. On most browsers this will run instead of defer.
+ // On some older browsers if defer is also set they will run that instead
+ // if they don't support async.
+ if ($async) {
+ $values['attributes']['async'] = TRUE;
+ }
+
+ // No async defer list.
+ foreach ($no_async_defer_list as $search_string) {
+ if (strpos($name, $search_string) !== FALSE) {
+ // Do not defer/async the loading this script.
+ if ($defer) {
+ unset($values['attributes']['async'], $values['attributes']['defer']);
+ }
+ }
+ }
+ }
+ unset($values);
+}
+
+/**
+ * Rearrange CSS/JS so that aggregates are better grouped.
+ *
+ * This can move all external assets to the top, thus in one group.
+ * This can move all browser conditional assets together.
+ *
+ * @param array $assets
+ * The CSS or JS array.
+ * @param string $type
+ * String: css or js.
+ */
+function advagg_mod_sort_css_js(array &$assets, $type) {
+ $config = \Drupal::config('advagg_mod.settings');
+ if ($config->get($type . '_adjust_sort_external')) {
+ // Find all external items.
+ $external = [];
+ $group = NULL;
+ $weight = NULL;
+ foreach ($assets as $key => $value) {
+ // Set values if not set.
+ if (is_null($group)) {
+ $group = $value['group'];
+ }
+ if (is_null($weight)) {
+ $weight = $value['weight'];
+ }
+
+ // Find "lightest" item.
+ if ($value['group'] < $group) {
+ $group = $value['group'];
+ }
+ if ($value['weight'] < $weight) {
+ $weight = $value['weight'];
+ }
+
+ list(, $no_move) = advagg_mod_get_lists();
+ if (!empty($value['type']) && $value['type'] === 'external' && !in_array($key, $no_move) && empty($value['movable'])) {
+ $external[$key] = $value;
+ unset($assets[$key]);
+ }
+ }
+ // Sort the array so that it appears in the correct order.
+ advagg_drupal_sort_css_js_stable($external);
+
+ // Group all external together.
+ $offset = 0.0001;
+ $weight -= 1;
+ $group -= 10;
+ $found_jquery = FALSE;
+ foreach ($external as $key => $value) {
+
+ // If bootstrap is used, it must be loaded after jquery. Don't move
+ // bootstrap if jquery is not above it.
+ if ($key == 'assets/vendor/jquery/jquery.min.js') {
+ $found_jquery = TRUE;
+ }
+ if (!$found_jquery && (strpos($value['data'], 'bootstrap.min.js') !== FALSE || strpos($value['data'], 'bootstrap.js') !== FALSE)) {
+ $assets[$key] = $value;
+ continue;
+ }
+ $value['group'] = $group;
+ $value['weight'] = $weight;
+ $weight += $offset;
+ $assets[$key] = $value;
+ }
+ }
+
+ if ($config->get($type . '_adjust_sort_browsers')) {
+ // Get a list of browsers.
+ $browsers_list = [];
+ foreach ($assets as $key => $value) {
+ if (isset($value['browsers']['IE']) && $value['browsers']['IE'] !== TRUE) {
+ $browsers_list['IE'][] = $value['browsers']['IE'];
+ }
+ }
+
+ // Group browsers CSS together.
+ if (isset($browsers_list['IE'])) {
+ $browsers_list['IE'] = array_values(array_unique($browsers_list['IE']));
+ foreach ($browsers_list['IE'] as $browser) {
+ $browsers = [];
+ $group = NULL;
+ $weight = NULL;
+ foreach ($assets as $key => $value) {
+ if (isset($value['browsers']['IE']) && $browser === $value['browsers']['IE']) {
+ // Set values if not set.
+ if (is_null($group)) {
+ $group = $value['group'];
+ }
+ if (is_null($weight)) {
+ $weight = $value['weight'];
+ }
+
+ // Find "heaviest" item.
+ if ($value['group'] > $group) {
+ $group = $value['group'];
+ }
+ if ($value['weight'] > $weight) {
+ $weight = $value['weight'];
+ }
+
+ $browsers[$key] = $value;
+ unset($assets[$key]);
+ }
+ }
+
+ // Sort the array so that it appears in the correct order.
+ advagg_drupal_sort_css_js_stable($browsers);
+
+ // Group all browsers together.
+ $offset = 0.0001;
+ $group += 1000;
+ foreach ($browsers as $key => $value) {
+ if (isset($value['movable']) && empty($value['movable'])) {
+ $assets[$key] = $value;
+ continue;
+ }
+ $value['group'] = $group;
+ $value['weight'] = $weight;
+ $weight += $offset;
+ $assets[$key] = $value;
+ }
+ }
+ }
+ }
+}
+
+/**
+ * Determines whether css defering should be active for the current request.
+ */
+function advagg_mod_css_defer_active() {
+ $config = \Drupal::config('advagg_mod.settings');
+ if (!$config->get('css_defer')) {
+ return FALSE;
+ }
+ $admin_route = \Drupal::service('router.admin_context')->isAdminRoute();
+ if ($admin_route && !$config->get('css_defer_admin')) {
+ return FALSE;
+ }
+ return TRUE;
+}
projects / yaffs-website / blobdiff