From c8248d41e4aab8d58f406db0364706f640273a97 Mon Sep 17 00:00:00 2001
From: David Straub <straub@protonmail.com>
Date: Sat, 6 Jul 2024 16:19:45 +0200
Subject: [PATCH] Ignore text-only dates in slider bounds

---
 src/util.js | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/util.js b/src/util.js
index b54948e2..46af7417 100644
--- a/src/util.js
+++ b/src/util.js
@@ -707,7 +707,12 @@ export function filterByDate(map, dateP) {
 }
 
 export function getGregorianYears(date) {
-  if (date === undefined || dateIsEmpty(date)) {
+  const MOD_TEXTONLY = 6
+  if (
+    date === undefined ||
+    dateIsEmpty(date) ||
+    date.modifier === MOD_TEXTONLY
+  ) {
     return [undefined, undefined]
   }