123456789101112131415161718 |
- '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;
- };
|