stacktrace parsing

src/parse-stacktrace.js

@@ -97,10 +97,12 @@ function extractFramesGecko(stack) {
 
 function extractFrames(stack) {
 	// TODO: Maybe make this code even more cautious, and match each stacktrace line individually, aborting as soon as any one line cannot be parsed?
-	return defaultValue(
+	let v8Frames = extractFramesV8(stack);
-		extractFramesV8(stack),
+	if (v8Frames != null) {
-		extractFramesGecko(stack)
+		return v8Frames;
-	);
+	} else {
+		return extractFramesGecko(stack);
+	}
 }
 
 module.exports = function parseStackTrace(error) {