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string_decoder: Migrate to use internal/errors

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PR-URL: https://github.com/nodejs/node/pull/14682
Refs: https://github.com/nodejs/node/issues/11273
Reviewed-By: Refael Ackermann <refack@gmail.com>
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
This commit is contained in:
Weijia Wang
2017-08-08 10:24:08 +08:00
committed by Ruben Bridgewater
parent 468110b327
commit eb4940e2d2
2 changed files with 19 additions and 8 deletions
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3
lib/string_decoder.js
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@@ -23,6 +23,7 @@
const Buffer = require('buffer').Buffer;
const internalUtil = require('internal/util');
const errors = require('internal/errors');
const isEncoding = Buffer[internalUtil.kIsEncodingSymbol];
// Do not cache `Buffer.isEncoding` when checking encoding names as some
@@ -31,7 +32,7 @@ function normalizeEncoding(enc) {
const nenc = internalUtil.normalizeEncoding(enc);
if (typeof nenc !== 'string' &&
(Buffer.isEncoding === isEncoding || !Buffer.isEncoding(enc)))
throw new Error(`Unknown encoding: ${enc}`);
throw new errors.TypeError('ERR_UNKNOWN_ENCODING', enc);
return nenc || enc;
}