aaac7fed
 liuqimichale
add
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'use strict';
var isUtf8 = require('is-utf8');
module.exports = function (x) {
// Catches EFBBBF (UTF-8 BOM) because the buffer-to-string
// conversion translates it to FEFF (UTF-16 BOM)
if (typeof x === 'string' && x.charCodeAt(0) === 0xFEFF) {
return x.slice(1);
}
if (Buffer.isBuffer(x) && isUtf8(x) &&
x[0] === 0xEF && x[1] === 0xBB && x[2] === 0xBF) {
return x.slice(3);
}
return x;
};
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