From 56a091c8607d1f534e85ca0905d9288cd8174296 Mon Sep 17 00:00:00 2001
From: nleanba <25827850+nleanba@users.noreply.github.com>
Date: Mon, 8 Jan 2024 16:09:30 +0100
Subject: [PATCH] Added conditional around parseInt, should get rid of some
 NaNs should fix https://github.com/factsmission/synospecies/issues/76

---
 SynonymGroup.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/SynonymGroup.ts b/SynonymGroup.ts
index 0cf202e..4f36cc0 100644
--- a/SynonymGroup.ts
+++ b/SynonymGroup.ts
@@ -504,7 +504,7 @@ export default class SynonymGroup implements AsyncIterable<JustifiedSynonym> {
               if (!t.treat) return;
               const treatment: Treatment = {
                 url: t.treat.value,
-                date: parseInt(t.date?.value, 10),
+                date: t.date ? parseInt(t.date.value, 10) : undefined,
                 creators: t.creators.value,
                 materialCitations: getMaterialCitations(t.treat.value)
               };