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buffer: refactor byteLength to remove outdated optimizations

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The third argument `mustMatch` is now outdated, so remove it.

Fixes: https://github.com/nodejs/node/issues/38536

PR-URL: https://github.com/nodejs/node/pull/38545
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
Reviewed-By: Darshan Sen <raisinten@gmail.com>
This commit is contained in:
Rongjian Zhang 2022-03-30 01:48:37 +08:00 • committed by GitHub
parent e5200392a2
commit cff14bcaef
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2 changed files with 8 additions and 11 deletions
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17
lib/buffer.js
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@ -738,17 +738,16 @@ function byteLength(string, encoding) {
}
const len = string.length;
const mustMatch = (arguments.length > 2 && arguments[2] === true);
if (!mustMatch && len === 0)
if (len === 0)
return 0;
if (!encoding)
return (mustMatch ? -1 : byteLengthUtf8(string));
const ops = getEncodingOps(encoding);
if (ops === undefined)
return (mustMatch ? -1 : byteLengthUtf8(string));
return ops.byteLength(string);
if (encoding) {
const ops = getEncodingOps(encoding);
if (ops) {
return ops.byteLength(string);
}
}
return byteLengthUtf8(string);
}
Buffer.byteLength = byteLength;