| Leo Repp | 58b9f11 | 2021-11-22 11:57:47 +0100 | [diff] [blame^] | 1 | 'use strict'; |
| 2 | var isUtf8 = require('is-utf8'); | ||||
| 3 | |||||
| 4 | module.exports = function (x) { | ||||
| 5 | // Catches EFBBBF (UTF-8 BOM) because the buffer-to-string | ||||
| 6 | // conversion translates it to FEFF (UTF-16 BOM) | ||||
| 7 | if (typeof x === 'string' && x.charCodeAt(0) === 0xFEFF) { | ||||
| 8 | return x.slice(1); | ||||
| 9 | } | ||||
| 10 | |||||
| 11 | if (Buffer.isBuffer(x) && isUtf8(x) && | ||||
| 12 | x[0] === 0xEF && x[1] === 0xBB && x[2] === 0xBF) { | ||||
| 13 | return x.slice(3); | ||||
| 14 | } | ||||
| 15 | |||||
| 16 | return x; | ||||
| 17 | }; | ||||