7 lines
		
	
	
		
			142 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			7 lines
		
	
	
		
			142 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
"use strict";
 | 
						|
 | 
						|
module.exports = function (fn) {
 | 
						|
	if (typeof fn !== "function") throw new TypeError(fn + " is not a function");
 | 
						|
	return fn;
 | 
						|
};
 |