broadcastchannel.js: unsubscribe from broadcastchannel

dmonad · Apr 26, 2019 · 4886f6b · 4886f6b
1 parent ec2be4f
commit 4886f6b
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/broadcastchannel.js b/broadcastchannel.js
@@ -63,6 +63,13 @@ const getChannel = room =>
  */
 export const subscribe = (room, f) => getChannel(room).subs.add(f)
 
+/**
+ * @function
+ * @param {string} room
+ * @param {Function} f
+ */
+export const unsubscribe = (room, f) => getChannel(room).subs.delete(f)
+
 /**
  * Publish data to all subscribers (including subscribers on this tab)
  *