From b1181f0baf2f43a6ad615884ab2a9d8b7b40febe Mon Sep 17 00:00:00 2001
From: Kai <kai@mynetmapper.org>
Date: Wed, 10 Mar 2021 16:43:19 +0100
Subject: [PATCH] handle empty files more gracefully.

---
 neat.js | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/neat.js b/neat.js
index 10c3104..aebffce 100644
--- a/neat.js
+++ b/neat.js
@@ -48,7 +48,15 @@ function loadFile(evt, onComplete) {
 
 function setupInterface(data, file, urls) {
 
-    if (data.data.length <= 0)  return null;
+    if (data.data.length <= 0) {
+        let empty_html = `
+            File is empty.
+            <a href="neat.html"> Load another one.</a>
+        `;
+
+        $('#tableregion').html(empty_html);
+        return null;
+    }
 
     // private variables of app