From e6651f27ba90a895b44012e8ccd9e0b1aeb02717 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E4=BE=9D=E7=91=AA=E8=B2=93?= <imacat@mail.imacat.idv.tw>
Date: Mon, 9 Mar 2026 18:12:46 +0800
Subject: [PATCH] Add null guard for valueData in AttributesFilter computed
 properties

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
---
 src/components/Discover/Map/Filter/AttributesFilter.vue | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/components/Discover/Map/Filter/AttributesFilter.vue b/src/components/Discover/Map/Filter/AttributesFilter.vue
index 316f014..dcfc02f 100644
--- a/src/components/Discover/Map/Filter/AttributesFilter.vue
+++ b/src/components/Discover/Map/Filter/AttributesFilter.vue
@@ -435,6 +435,7 @@ const valueData = computed(() => {
 
 // Compute slider data; time format: millisecond timestamps
 const sliderDataComputed = computed(() => {
+  if (!valueData.value) return [];
   let xAxisMin;
   let xAxisMax;
   const min = valueData.value.min;
@@ -511,6 +512,7 @@ const attValueTypeStartEnd = computed(() => {
 });
 
 const labelsData = computed(() => {
+  if (!valueData.value) return [];
   const min = new Date(valueData.value.min).getTime();
   const max = new Date(valueData.value.max).getTime();
   const numPoints = 11;