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Commit ab5b529

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tomgcorvagg
tomgco
authored and
rvagg
committed
buffer: default to UTF8 in byteLength()
If an undefined encoding is passed to byteLength(), assume that it is UTF8 immediately. This yields a small speedup, as it prevents string operations on the encoding argument. PR-URL: #4010 Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Trevor Norris <trev.norris@gmail.com>
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‎lib/buffer.js‎

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@@ -272,6 +272,7 @@ function byteLength(string, encoding) {
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case 'utf8':
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case 'utf-8':
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case undefined:
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return binding.byteLengthUtf8(string);
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case 'ucs2':

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