Fix data not being persisted after terminating Worker thread (#1877)

2 files changed, 8 insertions, 0 deletions

diff --git a/ext/js/language/dictionary-database.js b/ext/js/language/dictionary-database.js
index 6b235fb6..62300676 100644
--- a/ext/js/language/dictionary-database.js
+++ b/ext/js/language/dictionary-database.js
@@ -317,6 +317,10 @@ class DictionaryDatabase {
         return this._db.bulkAdd(objectStoreName, items, start, count);
     }
 
+    persistData(objectStoreName) {
+        return this._db.persistData(objectStoreName);
+    }
+
     // Private
 
     _findMultiBulk(objectStoreName, indexNames, items, createQuery, predicate, createResult) {
diff --git a/ext/js/language/dictionary-importer.js b/ext/js/language/dictionary-importer.js
index 89417ca6..8d6dcb33 100644
--- a/ext/js/language/dictionary-importer.js
+++ b/ext/js/language/dictionary-importer.js
@@ -149,6 +149,10 @@ class DictionaryImporter {
                 this._progressData.index += count;
                 this._progress();
             }
+
+            // This function is required in order to make the added data persist after the worker is terminated.
+            // https://bugs.chromium.org/p/chromium/issues/detail?id=1237686
+            await dictionaryDatabase.persistData(objectStoreName);
         };
 
         await bulkAdd('terms', termList);