From e4be28a9e748086d12b50799f151b35a7e09e091 Mon Sep 17 00:00:00 2001
From: Nelson Chan <chakflying@hotmail.com>
Date: Fri, 22 Oct 2021 19:07:11 +0800
Subject: [PATCH] Fix: Validate beat time before appending

---
 src/components/PingChart.vue | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/components/PingChart.vue b/src/components/PingChart.vue
index cd5e239c..adbca1b6 100644
--- a/src/components/PingChart.vue
+++ b/src/components/PingChart.vue
@@ -230,7 +230,10 @@ export default {
         this.$watch(() => this.$root.heartbeatList[this.monitorId],
             (heartbeatList) => {
                 if (this.chartPeriodHrs != 0) {
-                    this.heartbeatList.push(heartbeatList.at(-1));
+                    const newBeat = heartbeatList.at(-1);
+                    if (newBeat && dayjs.utc(newBeat.time) > dayjs.utc(this.heartbeatList.at(-1)?.time)) {
+                        this.heartbeatList.push(heartbeatList.at(-1));
+                    }
                 }
             },
             { deep: true }