Make init output fields optional

MrGRA · Nov 6, 2017 · a71fcc1 · a71fcc1
1 parent 02cb3c9
commit a71fcc1
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Showing 2 changed files with 8 additions and 4 deletions.
diff --git a/packages/bus-init/lib/ActorInit.ts b/packages/bus-init/lib/ActorInit.ts
@@ -44,9 +44,9 @@ export interface IActorOutputInit extends IActorOutput {
   /**
    * A standard error output stream.
    */
-  stderr: Readable;
+  stderr?: Readable;
   /**
    * A standard output stream.
    */
-  stdout: Readable;
+  stdout?: Readable;
 }
diff --git a/packages/runner-cli/bin/run.ts b/packages/runner-cli/bin/run.ts
@@ -13,8 +13,12 @@ const configResourceUrl = argv.shift();
 Setup.run(configResourceUrl, { argv, env: process.env, stdin: process.stdin })
   .then((results: IActorOutputInit[]) => {
     results.forEach((result: IActorOutputInit) => {
-      result.stdout.pipe(process.stdout);
-      result.stderr.pipe(process.stderr);
+      if (result.stdout) {
+        result.stdout.pipe(process.stdout);
+      }
+      if (result.stderr) {
+        result.stderr.pipe(process.stderr);
+      }
     });
   })
   .catch(console.error);