15 lines
		
	
	
		
			317 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
		
		
			
		
	
	
			15 lines
		
	
	
		
			317 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
|  | '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; | ||
|  | }; |