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stream: remove always-false condition check #41488

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merged 1 commit into from Jan 15, 2022
Merged

stream: remove always-false condition check #41488

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4 changes: 2 additions & 2 deletions lib/internal/streams/utils.js
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Expand Up @@ -119,14 +119,14 @@ function isReadableFinished(stream, strict) {
function isReadable(stream) {
if (stream && stream[kIsReadable] != null) return stream[kIsReadable];
const r = isReadableNodeStream(stream);
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r value is unused if typeof stream?.readable is not a boolean, it would be worth move its assignment below. (Same in isWritable)

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);
}
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