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