Merge pull request #282 from garyadaptive/fix/get-current-channel-return-type

Support nullable return type for getCurrentChannel

Author: rikoe

src/api/DesktopAgent.ts

@@ -169,5 +169,5 @@ export interface DesktopAgent {
    *
    * Returns `null` if the app is not joined to a channel.
    */
-  getCurrentChannel(): Promise<Channel>;
+  getCurrentChannel(): Promise<Channel | null>;
 }

src/api/methods.ts

@@ -71,6 +71,6 @@ export const getOrCreateChannel: (
   return window.fdc3.getOrCreateChannel(channelId);
 };
 
-export const getCurrentChannel: () => Promise<Channel> = () => {
+export const getCurrentChannel: () => Promise<Channel | null> = () => {
   return window.fdc3.getCurrentChannel();
 };