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-rw-r--r--ext/js/data/database.js10
1 files changed, 10 insertions, 0 deletions
diff --git a/ext/js/data/database.js b/ext/js/data/database.js
index a0a1804a..222e376c 100644
--- a/ext/js/data/database.js
+++ b/ext/js/data/database.js
@@ -198,6 +198,16 @@ class Database {
});
}
+ persistData(objectStoreName) {
+ return new Promise((resolve, reject) => {
+ const transaction = this.transaction([objectStoreName], 'readonly');
+ const objectStore = transaction.objectStore(objectStoreName);
+ const cursor = objectStore.openCursor();
+ cursor.onerror = (e) => reject(e.target.error);
+ cursor.onsuccess = () => resolve();
+ });
+ }
+
static deleteDatabase(databaseName) {
return new Promise((resolve, reject) => {
const request = indexedDB.deleteDatabase(databaseName);