- 'use strict';
- const isUtf8 = require('is-utf8');
- module.exports = x => {
- if (!Buffer.isBuffer(x)) {
- throw new TypeError('Expected a Buffer, got ' + typeof x);
- }
- if (x[0] === 0xEF && x[1] === 0xBB && x[2] === 0xBF && isUtf8(x)) {
- return x.slice(3);
- }
- return x;
- };
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