1 files changed, 9 insertions, 0 deletions
diff --git a/ext/bg/js/util.js b/ext/bg/js/util.js
index 0527dc0b..4c989642 100644
--- a/ext/bg/js/util.js
+++ b/ext/bg/js/util.js
@@ -155,3 +155,12 @@ function utilReadFile(file) {
         reader.readAsBinaryString(file);
     });
 }
+
+function utilReadFileArrayBuffer(file) {
+    return new Promise((resolve, reject) => {
+        const reader = new FileReader();
+        reader.onload = () => resolve(reader.result);
+        reader.onerror = () => reject(reader.error);
+        reader.readAsArrayBuffer(file);
+    });
+}