14 lines
		
	
	
		
			374 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
		
		
			
		
	
	
			14 lines
		
	
	
		
			374 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
|   | const emptyProtector = { | ||
|  |   blocks: [], | ||
|  |   challenges: [] | ||
|  | }; | ||
|  | // protect against malformed map data
 | ||
|  | // protect(block: { challenges: [], block: [] }|Void) => block|emptyProtector
 | ||
|  | export default function protect(block) { | ||
|  |   // if no block or block has no challenges or blocks
 | ||
|  |   if (!block || !(block.challenges || block.blocks)) { | ||
|  |     return emptyProtector; | ||
|  |   } | ||
|  |   return block; | ||
|  | } |