simplified createNoLogCondition

lib/connect-logger.js

@@ -145,9 +145,7 @@ function format(str, req, res) {
  * @param  {String} nolog
  * @return {RegExp}
  * @api private
- */
-
-/**
+ *
  * syntax
  *  1. String
  *   1.1 "\\.gif"
@@ -169,27 +167,28 @@ function format(str, req, res) {
  *         SAME AS "\\.jpg|\\.png|\\.gif"
  */
 function createNoLogCondition(nolog, type) {
-	if (!nolog) return null;
-	type = type || '';
-  
-	if (nolog instanceof RegExp) {
-		if (type === 'string') {
-			return nolog.source;
+  var regexp = null;
+
+	if (nolog) {
+    if (nolog instanceof RegExp) {
+      regexp = nolog;
+    } 
+    
+    if (typeof nolog === 'string') {
+      regexp = new RegExp(nolog);
     }
-		return nolog;
-	} else if (typeof nolog === 'string') {
-		if (type === 'string') {
-			return nolog;
+    
+    if (Array.isArray(nolog)) {
+      var regexpsAsStrings = nolog.map(
+        function convertToStrings(o) { 
+          return o.source ? o.source : o;
+        }
+      );
+      regexp = new RegExp(regexpsAsStrings.join('|'));
     }
-		try {
-			return new RegExp(nolog);
-		} catch (ex) {
-			return null;
-		}
-	} else if (nolog instanceof Array) {
-		var regexps = nolog.map(function(o){ return createNoLogCondition(o, 'string'); });
-		return new RegExp(regexps.join('|'));
-	}
+  }
+
+  return regexp;
 }
 
 exports.connectLogger = getLogger;