From 6e3e3eb8e81a627be1a29dd6ddff9cabe3e43b12 Mon Sep 17 00:00:00 2001
From: clerie <git@clerie.de>
Date: Sat, 19 Sep 2020 22:12:02 +0200
Subject: [PATCH] Prevent multiple injections

---
 js/reiseauskunft.js | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/js/reiseauskunft.js b/js/reiseauskunft.js
index 4a564a3..9614247 100644
--- a/js/reiseauskunft.js
+++ b/js/reiseauskunft.js
@@ -129,6 +129,12 @@ var connection_result_observer = new MutationObserver((mutations) => {
 
         var timetable = target.querySelector("td div.detailContainer table.result tbody");
 
+        // Just break if there are elements injected by us
+        if(timetable.querySelectorAll(".bahn-insight").length != 0) {
+          log("links already injected")
+          return;
+        }
+
         /*
          * COLLECT DATA
          */