Remove unnecessary awaits

src/utils/exportUtils/Exporter.ts

@@ -92,8 +92,8 @@ export default abstract class Exporter {
         this.cancelled = true;
     }
 
-    protected async downloadPlainText(fileName: string, text: string): Promise<any> {
-        await saveAs(new Blob[text], fileName);
+    protected downloadPlainText(fileName: string, text: string) {
+        saveAs(new Blob[text], fileName);
     }
 
     protected setEventMetadata(event: MatrixEvent): MatrixEvent {

src/utils/exportUtils/JSONExport.ts

@@ -107,7 +107,7 @@ export default class JSONExporter extends Exporter {
             await this.downloadZIP();
         } else {
             const fileName = `matrix-export-${formatFullDateNoDay(new Date())}.json`;
-            await this.downloadPlainText(fileName, text);
+            this.downloadPlainText(fileName, text);
         }
 
         const exportEnd = performance.now();

src/utils/exportUtils/PlainTextExport.ts

@@ -134,7 +134,7 @@ export default class PlainTextExporter extends Exporter {
             await this.downloadZIP();
         } else {
             const fileName = `matrix-export-${formatFullDateNoDay(new Date())}.txt`;
-            await this.downloadPlainText(fileName, text);
+            this.downloadPlainText(fileName, text);
         }
 
         const exportEnd = performance.now();

test/utils/export-test.ts

@@ -0,0 +1,15 @@
+/*
+Copyright 2021 The Matrix.org Foundation C.I.C.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/