[Flow] Add undefined as a possible return value from find and findLast (#2015)

Dagur · web-flow · commit c45a572f18ec · 2024-08-27T21:29:42.000+02:00
diff --git a/type-definitions/immutable.js.flow b/type-definitions/immutable.js.flow
@@ -224,12 +224,12 @@ declare class _Collection<K, +V> implements ValueObject {
     predicate: (value: V, key: K, iter: this) => mixed,
     context?: mixed,
     notSetValue?: NSV
-  ): V | NSV;
+  ): V | NSV | void;
   findLast<NSV>(
     predicate: (value: V, key: K, iter: this) => mixed,
     context?: mixed,
     notSetValue?: NSV
-  ): V | NSV;
+  ): V | NSV | void;
 
   findEntry(predicate: (value: V, key: K, iter: this) => mixed): [K, V] | void;
   findLastEntry(
