Deal with null and undefined in mapType documentation

JohnWeisz · Jan 26, 2021 · 62aa57a · 62aa57a
1 parent 015088b
commit 62aa57a
Showing 1 changed file with 4 additions and 4 deletions.
diff --git a/readme.md b/readme.md
@@ -76,13 +76,13 @@ import {jsonObject, jsonMember, TypedJSON} from 'typedjson';
 import * as Decimal from 'decimal.js'; // Or any other library your type originates from
 
 TypedJSON.mapType(BigInt, {
-    deserializer: json => new BigInt(json),
-    serializer: value => value.toString(),
+    deserializer: json => value == null ? value : new BigInt(json),
+    serializer: value => value == null ? value : value.toString(),
 });
 
 TypedJSON.mapType(Decimal, {
-    deserializer: json => new Decimal(json),
-    serializer: value => value.toString(),
+    deserializer: json => value == null ? value : new Decimal(json),
+    serializer: value => value == null ? value : value.toString(),
 });
 
 @jsonObject