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buffer: return fastbuffer directly instead of buffer.alloc(0) #60398

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buffer: return fastbuffer directly instead of buffer.alloc(0) #60398

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6 changes: 3 additions & 3 deletions lib/buffer.js
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Original file line number Diff line number Diff line change
Expand Up @@ -348,13 +348,13 @@ Buffer.copyBytesFrom = function copyBytesFrom(view, offset, length) {

const viewLength = TypedArrayPrototypeGetLength(view);
if (viewLength === 0) {
return Buffer.alloc(0);
return new FastBuffer();
}

if (offset !== undefined || length !== undefined) {
if (offset !== undefined) {
validateInteger(offset, 'offset', 0);
if (offset >= viewLength) return Buffer.alloc(0);
if (offset >= viewLength) return new FastBuffer();
} else {
offset = 0;
}
Expand Down Expand Up @@ -1257,7 +1257,7 @@ if (internalBinding('config').hasIntl) {
throw new ERR_INVALID_ARG_TYPE('source',
['Buffer', 'Uint8Array'], source);
}
if (source.length === 0) return Buffer.alloc(0);
if (source.length === 0) return new FastBuffer();

fromEncoding = normalizeEncoding(fromEncoding) || fromEncoding;
toEncoding = normalizeEncoding(toEncoding) || toEncoding;
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