stream: drain Transform with 0 highWaterMark

Fixes: nodejs#40935
nxtedition · Nov 24, 2021 · 385da26 · 385da26
1 parent af4e682
commit 385da26
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/lib/internal/streams/transform.js b/lib/internal/streams/transform.js
@@ -196,6 +196,7 @@ Transform.prototype._write = function(chunk, encoding, callback) {
       wState.ended || // Backwards compat.
       length === rState.length || // Backwards compat.
       rState.length < rState.highWaterMark ||
+      rState.highWaterMark === 0 ||
       rState.length === 0
     ) {
       callback();