3 files changed, 4 insertions, 6 deletions
diff --git a/ext/js/data/sandbox/anki-note-data-creator.js b/ext/js/data/sandbox/anki-note-data-creator.js
index 33b4af6f..371a62a2 100644
--- a/ext/js/data/sandbox/anki-note-data-creator.js
+++ b/ext/js/data/sandbox/anki-note-data-creator.js
@@ -16,15 +16,13 @@
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-/* global
- * DictionaryDataUtil
- */
+import {DictionaryDataUtil} from '../../language/sandbox/dictionary-data-util.js';
 
 /**
  * This class is used to convert the internal dictionary entry format to the
  * format used by Anki, for backwards compatibility.
  */
-class AnkiNoteDataCreator {
+export class AnkiNoteDataCreator {
     /**
      * Creates a new instance.
      * @param {JapaneseUtil} japaneseUtil An instance of `JapaneseUtil`.
diff --git a/ext/js/data/sandbox/array-buffer-util.js b/ext/js/data/sandbox/array-buffer-util.js
index f96406bc..20715bd6 100644
--- a/ext/js/data/sandbox/array-buffer-util.js
+++ b/ext/js/data/sandbox/array-buffer-util.js
@@ -19,7 +19,7 @@
 /**
  * Class containing generic ArrayBuffer utility functions.
  */
-class ArrayBufferUtil {
+export class ArrayBufferUtil {
     /**
      * Decodes the contents of an ArrayBuffer using UTF8.
      * @param {ArrayBuffer} arrayBuffer The input ArrayBuffer.
diff --git a/ext/js/data/sandbox/string-util.js b/ext/js/data/sandbox/string-util.js
index c158fd1a..096ecffe 100644
--- a/ext/js/data/sandbox/string-util.js
+++ b/ext/js/data/sandbox/string-util.js
@@ -19,7 +19,7 @@
 /**
  * Class containing generic string utility functions.
  */
-class StringUtil {
+export class StringUtil {
     /**
      * Reads code points from a string in the forward direction.
      * @param {string} text The text to read the code points from.