stream: always prefer reading first buffer

Refs: mafintosh/stream-shift#10
nxtedition · Jan 17, 2024 · efb8102 · efb8102
1 parent 94f824a
commit efb8102
Showing 1 changed file with 1 addition and 4 deletions.
diff --git a/lib/internal/streams/readable.js b/lib/internal/streams/readable.js
@@ -631,10 +631,7 @@ function howMuchToRead(n, state) {
   if ((state[kState] & kObjectMode) !== 0)
     return 1;
   if (NumberIsNaN(n)) {
-    // Only flow one buffer at a time.
-    if ((state[kState] & kFlowing) !== 0 && state.length)
-      return state.buffer[state.bufferIndex].length;
-    return state.length;
+    return state.length > 0 ? state.buffer[state.bufferIndex].length : 0;
   }
   if (n <= state.length)
     return n;