Issue #941: fixed syncronization issue: saveImage vs clear

src/TmImageRenderer/index.ts

@@ -104,7 +104,7 @@ async function main() {
     // Export images
     fs.mkdirSync(args.outDirectory, { recursive: true });
     setTimeout(async () => {
-            plugin.saveImage(path.join(args.outDirectory, fileName), { width: 100, height: 100 });
+            await plugin.saveImage(path.join(args.outDirectory, fileName), { width: 100, height: 100 });
             // Cleanup
             await plugin.clear();
             plugin.dispose();