Optional callback in constructtion

polkadot-js · Oct 19, 2018 · f1035fe · f1035fe
1 parent 6857639
commit f1035fe
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/packages/api/src/promise/index.ts b/packages/api/src/promise/index.ts
@@ -183,7 +183,7 @@ export default class ApiPromise extends ApiBase<Rpc, QueryableStorage, Submittab
    * api.query.sywstem.accountNonce(<address>, combinator.next());
    * ```
    */
-  combinator (callback: CombinatorCallback): Combinator {
+  combinator (callback?: CombinatorCallback): Combinator {
     return new Combinator(callback);
   }