From 8f46499c6fa073f3f3a65fdd3b2a29477bc8acaf Mon Sep 17 00:00:00 2001
From: Arthur Miranda <60884977+arthurbcd@users.noreply.github.com>
Date: Thu, 11 Jan 2024 12:16:21 -0300
Subject: [PATCH] fix no-element exception when href is absent

---
 lib/src/gpx_reader.dart | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/lib/src/gpx_reader.dart b/lib/src/gpx_reader.dart
index 2b2f94a..b2b2242 100644
--- a/lib/src/gpx_reader.dart
+++ b/lib/src/gpx_reader.dart
@@ -439,9 +439,11 @@ class GpxReader {
     final elm = iterator.current;
 
     if (elm is XmlStartElementEvent) {
-      link.href = elm.attributes
-          .firstWhere((attr) => attr.name == GpxTagV11.href)
-          .value;
+      final hrefs = elm.attributes.where((attr) => attr.name == GpxTagV11.href);
+
+      if (hrefs.isNotEmpty) {
+        link.href = hrefs.first.value;
+      }
     }
 
     if ((elm is XmlStartElementEvent) && !elm.isSelfClosing) {