Reduce : Don't crash if the request is incorrect

If the request does not get a number parameter, the server crashes because `undefined.toString()` is undefined. Let's return -1 instead!
bulkan · Jun 3, 2017 · 53761fb · 53761fb
1 parent a8313df
commit 53761fb
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/exercises/reduce/exercise.js b/exercises/reduce/exercise.js
@@ -24,7 +24,9 @@ exercise.addSetup(function (mode, callback) {
 
   this.server = http.createServer(function (req, res) {
     var number = url.parse(req.url, true).query.number
-    res.end((numbers[number]).toString())
+    if(numbers[number])
+      return res.end((numbers[number]).toString())
+    res.end("-1")
   })
 
   this.server.listen(9345, callback)