initialization of responses

bugthesystem · Jan 21, 2018 · f2c94ed · f2c94ed
1 parent 422f214
commit f2c94ed
Showing 1 changed file with 7 additions and 1 deletion.
diff --git a/src/helpers/on-headers-listener.js b/src/helpers/on-headers-listener.js
@@ -4,7 +4,13 @@ module.exports = (statusCode, startTime, spans) => {
   const category = Math.floor(statusCode / 100);
 
   spans.forEach((span) => {
-    const last = span.responses[span.responses.length - 1];
+    let { responses } = span;
+
+    if (!responses) {
+      responses = [];
+    }
+
+    const last = responses[span.responses.length - 1];
     if (last !== undefined && (last.timestamp / 1000) + span.interval > Date.now() / 1000) {
       last[category] += 1;
       last.count += 1;