67aed7972d
Backport-PR-URL: https://github.com/nodejs/node/pull/16073 PR-URL: https://github.com/nodejs/node/pull/15663 Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de> Reviewed-By: Luigi Pinca <luigipinca@gmail.com> Reviewed-By: Benedikt Meurer <benedikt.meurer@gmail.com> Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com>
35 lines
1,021 B
JavaScript
35 lines
1,021 B
JavaScript
'use strict';
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if (!process.binding('config').hasIntl) {
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return;
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}
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const normalizeEncoding = require('internal/util').normalizeEncoding;
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const Buffer = require('buffer').Buffer;
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const icu = process.binding('icu');
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const { isUint8Array } = require('internal/util/types');
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// Transcodes the Buffer from one encoding to another, returning a new
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// Buffer instance.
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function transcode(source, fromEncoding, toEncoding) {
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if (!isUint8Array(source))
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throw new TypeError('"source" argument must be a Buffer or Uint8Array');
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if (source.length === 0) return Buffer.alloc(0);
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fromEncoding = normalizeEncoding(fromEncoding) || fromEncoding;
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toEncoding = normalizeEncoding(toEncoding) || toEncoding;
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const result = icu.transcode(source, fromEncoding, toEncoding);
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if (typeof result !== 'number')
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return result;
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const code = icu.icuErrName(result);
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const err = new Error(`Unable to transcode Buffer [${code}]`);
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err.code = code;
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err.errno = result;
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throw err;
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}
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module.exports = {
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transcode
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};
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