IndexOutOfBounds abgefangen

YAPS/YAPS/ContentView.swift

@@ -45,9 +45,14 @@ struct ContentView: View {
           
           switch direction {
           case MoveCommandDirection.down:
-            newIndex += 1
+            let max = self.fileList.count
+            if (newIndex + 1) < max {
+              newIndex += 1
+            }
           case MoveCommandDirection.up:
-            newIndex -= 1
+            if (newIndex - 1) >= 0 {
+              newIndex -= 1
+            }
           default:
             newIndex += 0
           }