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buffer: add buffer.isUtf8 for utf8 validation

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PR-URL: https://github.com/nodejs/node/pull/45947
Reviewed-By: Robert Nagy <ronagy@icloud.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Rafael Gonzaga <rafael.nunu@hotmail.com>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
This commit is contained in:
Yagiz Nizipli 2022-12-24 21:32:05 -05:00 • committed by GitHub
parent 07fdbbd015
commit d5a08c7e11
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7 changed files with 131 additions and 1 deletions
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13
lib/buffer.js
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@ -57,6 +57,7 @@ const {
compareOffset,
createFromString,
fill: bindingFill,
isUtf8: bindingIsUtf8,
indexOfBuffer,
indexOfNumber,
indexOfString,
@ -84,7 +85,8 @@ const {
const {
isAnyArrayBuffer,
isArrayBufferView,
isUint8Array
isUint8Array,
isTypedArray,
} = require('internal/util/types');
const {
inspect: utilInspect
@ -1314,10 +1316,19 @@ function atob(input) {
return Buffer.from(input, 'base64').toString('latin1');
}
function isUtf8(input) {
if (isTypedArray(input) || isAnyArrayBuffer(input)) {
return bindingIsUtf8(input);
}
throw new ERR_INVALID_ARG_TYPE('input', ['TypedArray', 'Buffer'], input);
}
module.exports = {
Buffer,
SlowBuffer,
transcode,
isUtf8,
// Legacy
kMaxLength,