Merge pull request dimdenGD#53 from cesco69/opt-2

perf: optimization

Author: dimdenGD

src/router.js

@@ -118,7 +118,9 @@ module.exports = class Router extends EventEmitter {
             }
             return pattern === path;
         }
-        
+        if (pattern.source === '(?:)'){
+            return true;
+        }
         return pattern.test(path);
     }
 
@@ -452,10 +454,11 @@ module.exports = class Router extends EventEmitter {
         const continueRoute = this._paramCallbacks.size === 0 && req.routeCount % 300 !== 0 ? 
             this._preprocessRequest(req, res, route) : await this._preprocessRequest(req, res, route);
 
+        const strictRouting = this.get('strict routing');
         if(route.use) {
-            const strictRouting = this.get('strict routing');
             req._stack.push(route.path);
-            req._opPath = req._originalPath.replace(this.getFullMountpath(req), '');
+            const fullMountpath = this.getFullMountpath(req);
+            req._opPath = fullMountpath !== '' ? req._originalPath.replace(fullMountpath, '') : fullMountpath;
             if(req.endsWithSlash && req._opPath[req._opPath.length - 1] !== '/') {
                 if(strictRouting) {
                     req._opPath += '/';
@@ -476,7 +479,7 @@ module.exports = class Router extends EventEmitter {
                     if(thingamabob === 'route' || thingamabob === 'skipPop') {
                         if(route.use && thingamabob !== 'skipPop') {
                             req._stack.pop();
-                            const strictRouting = this.get('strict routing');
+                            
                             req._opPath = req._stack.length > 0 ? req._originalPath.replace(this.getFullMountpath(req), '') : req._originalPath;
                             if(strictRouting) {
                                 if(req.endsWithSlash && req._opPath[req._opPath.length - 1] !== '/') {