'use strict'; | |
module.exports = x => { | |
if (typeof x !== 'string') { | |
throw new TypeError('Expected a string, got ' + typeof x); | |
} | |
// Catches EFBBBF (UTF-8 BOM) because the buffer-to-string | |
// conversion translates it to FEFF (UTF-16 BOM) | |
if (x.charCodeAt(0) === 0xFEFF) { | |
return x.slice(1); | |
} | |
return x; | |
}; |