Catch NPE when attempting load of chrom alias object when none exists

igvteam · Oct 26, 2023 · f330ef4 · f330ef4
1 parent 7209cd6
commit f330ef4
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/js/genome/genome.js b/js/genome/genome.js
@@ -144,7 +144,9 @@ class Genome {
         let chromAliasRecord
         if (this.chromAlias) {
             chromAliasRecord = await this.chromAlias.search(chr)
-            chr = chromAliasRecord.chr
+            if(chromAliasRecord) {
+                chr = chromAliasRecord.chr
+            }
         }
 
         if (!this.chromosomes.has(chr)) {