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17 lines
407 B
17 lines
407 B
'use strict';
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var isUtf8 = require('is-utf8');
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module.exports = function (x) {
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// Catches EFBBBF (UTF-8 BOM) because the buffer-to-string
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// conversion translates it to FEFF (UTF-16 BOM)
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if (typeof x === 'string' && x.charCodeAt(0) === 0xFEFF) {
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return x.slice(1);
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}
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if (Buffer.isBuffer(x) && isUtf8(x) &&
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x[0] === 0xEF && x[1] === 0xBB && x[2] === 0xBF) {
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return x.slice(3);
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}
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return x;
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};
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