Style overrides

bcelndora.libraries.yml

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+theme_overrides:
+  version: VERSION
+  css:
+    theme:
+      scss/styles.scss: {}

bcelndora.module

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+<?php
+
+/**
+ * @file
+ * bcelndora.module
+ */
+
+/**
+ * Implements hook_scss_compiler_import_paths_alter().
+ */
+function bcelndora_scss_compiler_import_paths_alter(array &$additional_import_paths) {
+  $theme_path = \Drupal::service('extension.list.theme')->getPath('dgi_i8_base');
+  $additional_import_paths[] = \Drupal::service('file_system')->realpath($theme_path) . "/scss/";
+}
+
+/**
+ * Implements hook_page_attachments().
+ *
+ * Attach BCELN specific base theme overrides via the module library.
+ */
+function bcelndora_page_attachments(array &$page) {
+  if (\Drupal::theme()->getActiveTheme()->getName() === "dgi_i8_base") {
+    $page['#attached']['library'][] = 'bcelndora/theme_overrides';
+  }
+}
+
+/**
+ * Implements hook_library_info_alter().
+ *
+ * Unset the theme's 'framework' library CSS, as this module provides its own
+ * via this module's 'hook_page_attachments' implementation.
+ */
+function bcelndora_library_info_alter(&$libraries, $extension) {
+  if ($extension == 'dgi_i8_base' && isset($libraries['framework']['css']['theme']['scss/style.scss'])) {
+    unset($libraries['framework']['css']['theme']['scss/style.scss']);
+  }
+}

scss/styles.scss

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+// Include icon loading directory.
+$icon-font-path: "../../../themes/contrib/dgi_i8_base/bootstrap/assets/fonts/bootstrap/";
+
+// Import default variables.
+@import "default-variables"; // From dgi_i8_base
+
+// Import base styles.
+@import "base-styles"; // From dgi_i8_base
+
+// Import BCELN Overrides, best organized into directories.
+// EX: @import "components/header/header" to import styles from
+// this modules "components/header/_header.scss" file;
+