stream: remove always-false condition check

Remove comparison to null of variable guaranteed to be a boolean. PR-URL: nodejs#41488 Reviewed-By: Matteo Collina <[email protected]> Reviewed-By: Benjamin Gruenbaum <[email protected]> Reviewed-By: Robert Nagy <[email protected]> Reviewed-By: Tobias Nießen <[email protected]> Reviewed-By: Darshan Sen <[email protected]>
Linkgoron · Jan 31, 2022 · db8e623 · db8e623
1 parent 7d9d66e
commit db8e623
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/lib/internal/streams/utils.js b/lib/internal/streams/utils.js
@@ -119,14 +119,14 @@ function isReadableFinished(stream, strict) {
 function isReadable(stream) {
   if (stream && stream[kIsReadable] != null) return stream[kIsReadable];
   const r = isReadableNodeStream(stream);
-  if (r === null || typeof stream?.readable !== 'boolean') return null;
+  if (typeof stream?.readable !== 'boolean') return null;
   if (isDestroyed(stream)) return false;
   return r && stream.readable && !isReadableFinished(stream);
 }
 
 function isWritable(stream) {
   const r = isWritableNodeStream(stream);
-  if (r === null || typeof stream?.writable !== 'boolean') return null;
+  if (typeof stream?.writable !== 'boolean') return null;
   if (isDestroyed(stream)) return false;
   return r && stream.writable && !isWritableEnded(stream);
 }