fix(rstream): fix #80 update StreamSource alias

- stream source fns don't need to return StreamCancel
thi-ng · Apr 2, 2019 · f7b9fbd · f7b9fbd
1 parent feac18d
commit f7b9fbd
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Showing 2 changed files with 8 additions and 2 deletions.
diff --git a/packages/rstream/src/api.ts b/packages/rstream/src/api.ts
@@ -64,6 +64,6 @@ export interface IStream<T> extends ISubscriber<T> {
 }
 
 export type StreamCancel = () => void;
-export type StreamSource<T> = (sub: Stream<T>) => StreamCancel;
+export type StreamSource<T> = (sub: Stream<T>) => StreamCancel | void;
 
 export let DEBUG = false;
diff --git a/packages/rstream/src/stream.ts b/packages/rstream/src/stream.ts
@@ -1,7 +1,13 @@
 import { isString } from "@thi.ng/checks";
 import { illegalArity } from "@thi.ng/errors";
 import { Transducer } from "@thi.ng/transducers";
-import { DEBUG, IStream, ISubscriber, StreamCancel, StreamSource } from "./api";
+import {
+    DEBUG,
+    IStream,
+    ISubscriber,
+    StreamCancel,
+    StreamSource
+} from "./api";
 import { Subscription } from "./subscription";
 import { nextID } from "./utils/idgen";