better structure

index.d.ts

@@ -4,4 +4,5 @@ export = Security;
 
 declare class Security {
     constructor();
+    setHeaders(req: express.Request, res: express.Response, next: express.NextFunctiont): void;
 }

index.js

 
-module.exports = function(options) {
-  return function(req, res, next) {
-    if(!options) options = {}
+module.exports = function(options = {}) {
+  let security = {}
+  security.options = options
+
+  security.setHeaders = function(req, res, next) {
+    if(!this.options) options = {}
+    else options = this.options
 
     if (typeof options.CacheControl === 'undefined') {
       options.CacheControl = 'no-cache, no-store, must-revalidate'
@@ -137,4 +141,6 @@ module.exports = function(options) {
 
     next()
   }
+
+  return security;
 }
\ No newline at end of file

package.json

 {
   "name": "@libs/security",
-  "version": "2.2.3",
+  "version": "2.3.0",
   "description": "Sets Headers to a very save style in express-apps. may be overriden by config",
   "main": "index.js",
   "scripts": {