Fix undefined topUpLines

2020-04-14 21:11:52 +02:00 · 2020-04-14 21:11:52 +02:00 · 2299e28316
parent f43b1e6ee3
commit 2299e28316
1 changed files with 5 additions and 2 deletions
--- a/apps/batchart/app.js
+++ b/apps/batchart/app.js
@ -71,8 +71,11 @@ function loadData() {
    let topUpLogFileName = "bclog" + previousDay;
    let remainingLines = MaxValueCount - dataLines.length;
    let topUpLines = loadLinesFromFile(remainingLines, topUpLogFileName);
-    dataLines = topUpLines.concat(dataLines);
-    
+
+    if(topUpLines) {
+      dataLines = topUpLines.concat(dataLines);
+    }
+
    previousDay = decrementDay(previousDay);
  }