fix: fix cache hit check in fetch method

bravemaster619 · bravemaster619 · commit 212eb6a72b1b · 2020-08-11T15:31:10.000+08:00
Issue #203 Comment #203 (comment) 58
diff --git a/_src/lib/node_cache.coffee b/_src/lib/node_cache.coffee
@@ -215,9 +215,8 @@ module.exports = class NodeCache extends EventEmitter
 	#
 	fetch: ( key, ttl, value )=>
 		# check if cache is hit
-		_ret = @get( key )
-		if _ret?
-			return _ret
+		if @has( key )
+			return @get( key )
 		if typeof value == 'undefined'
 			value = ttl
 			ttl = undefined
