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Revert "perf: improve Buffer.from(buf) by 29x" (#24351)

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https://github.com/denoland/deno/pull/24341#discussion_r1655247367

Reverts denoland/deno#24341
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David Sherret 2024-06-26 16:23:09 -04:00 committed by GitHub
parent 2549e5154c
commit 77ba0019e7
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1 changed files with 0 additions and 11 deletions
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11
ext/node/polyfills/internal/buffer.mjs
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@ -229,22 +229,11 @@ function fromArrayLike(array) {
return buf; return buf;
} }
function fromUint8Array(u8) {
const buf = new Uint8Array(u8.buffer, u8.byteOffset, u8.byteLength);
Object.setPrototypeOf(buf, Buffer.prototype);
return buf.slice();
}
function fromObject(obj) { function fromObject(obj) {
if (obj.length !== undefined || isAnyArrayBuffer(obj.buffer)) { if (obj.length !== undefined || isAnyArrayBuffer(obj.buffer)) {
if (typeof obj.length !== "number") { if (typeof obj.length !== "number") {
return createBuffer(0); return createBuffer(0);
} }
if (obj instanceof Uint8Array) {
return fromUint8Array(obj);
}
return fromArrayLike(obj); return fromArrayLike(obj);
} }