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zlib: avoid converting Uint8Array instances to Buffer #39492

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zlib: avoid converting Uint8Array instances to Buffer #39492

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zlib: avoid converting `Uint8Array` instances to `Buffer`
aduh95 Jul 22, 2021
22a8376
fixup! zlib: avoid converting `Uint8Array` instances to `Buffer`
aduh95 Jul 23, 2021
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fixup! zlib: avoid converting Uint8Array instances to Buffer
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@aduh95
aduh95 committed Jul 23, 2021
commit 22a8376f4a1508acac403891e85602a1b9a19e79
9 changes: 1 addition & 8 deletions lib/zlib.js
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Original file line number Diff line number Diff line change
Expand Up @@ -39,9 +39,6 @@ const {
ReflectApply,
StringPrototypeStartsWith,
Symbol,
TypedArrayPrototypeGetBuffer,
TypedArrayPrototypeGetByteLength,
TypedArrayPrototypeGetByteOffset,
TypedArrayPrototypeFill,
Uint32Array,
} = primordials;
Expand Down Expand Up @@ -118,11 +115,7 @@ function zlibBuffer(engine, buffer, callback) {
// Streams do not support non-Uint8Array ArrayBufferViews yet. Convert it to a
// Buffer without copying.
if (isArrayBufferView(buffer) && !isUint8Array(buffer)) {
buffer = Buffer.from(
TypedArrayPrototypeGetBuffer(buffer),
TypedArrayPrototypeGetByteOffset(buffer),
TypedArrayPrototypeGetByteLength(buffer)
);
buffer = Buffer.from(buffer.buffer, buffer.byteOffset, buffer.byteLength);
} else if (isAnyArrayBuffer(buffer)) {
buffer = Buffer.from(buffer);
}
Expand Down