Add check to prevent undefined error when determining order of concat

r-spacex · Jul 8, 2018 · 78a33e2 · 78a33e2
1 parent e2c61bd
commit 78a33e2
Showing 1 changed file with 6 additions and 2 deletions.
diff --git a/src/controllers/launches.js b/src/controllers/launches.js
@@ -53,8 +53,12 @@ module.exports = {
       .sort(sortQuery(ctx.request))
       .limit(limitQuery(ctx.request))
       .toArray();
-    if (past[past.length - 1].flight_number === 1) {
-      data = upcoming.concat(past);
+    if (past.length !== 0) {
+      if (past[past.length - 1].flight_number === 1) {
+        data = upcoming.concat(past);
+      } else {
+        data = past.concat(upcoming);
+      }
     } else {
       data = past.concat(upcoming);
     }