stream: allow empty string as source of pipeline

Fixes: https://github.com/nodejs/node/issues/38721

PR-URL: https://github.com/nodejs/node/pull/38723
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
Reviewed-By: Robert Nagy <ronagy@icloud.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Zijian Liu <lxxyxzj@gmail.com>
Reviewed-By: Darshan Sen <raisinten@gmail.com>

1 files changed, 18 insertions, 0 deletions

diff --git a/test/parallel/test-stream-pipeline-with-empty-string.js b/test/parallel/test-stream-pipeline-with-empty-string.js
new file mode 100644
index 00000000000..8818f38e859
--- /dev/null
+++ b/test/parallel/test-stream-pipeline-with-empty-string.js
@@ -0,0 +1,18 @@
+'use strict';
+
+const common = require('../common');
+const {
+  pipeline,
+  PassThrough
+} = require('stream');
+
+
+async function runTest() {
+  await pipeline(
+    '',
+    new PassThrough({ objectMode: true }),
+    common.mustCall(() => { })
+  );
+}
+
+runTest().then(common.mustCall(() => {}));