added middleware options for the swagger api routes

.vscode/tasks.json

@@ -6,7 +6,7 @@
         {
             "label": "build",
             "type": "typescript",
-            "tsconfig": "sample\\tsconfig.json",
+            "tsconfig": "sample/tsconfig.json",
             "problemMatcher": [
                 "$tsc"
             ]

sample/app.ts

@@ -20,7 +20,7 @@ app.use('/', indexRouter);
 app.use('/', authRouter);
 
 // catch 404 and forward to error handler
-app.use(function (req: express.Request, res:express.Response, next: express.NextFunction) {
+app.use(function (req: express.Request, res: express.Response, next: express.NextFunction) {
   next(new Error('Not found'));
 });
 

sample/bin/www.ts

@@ -93,4 +93,4 @@ function onListening() {
 
 
 process.on('uncaughtException', err => console.log(`Caught unhandled exception: ${err.message} > Stack: ${err.stack}`));
-process.on('unhandledRejection', (reason, p) => console.log(`Unhandled Rejection at: Promise${p}. Reason: ${reason.message} > Stack: ${reason.stack}.`));
+process.on('unhandledRejection', (reason: any, p) => console.log(`Unhandled Rejection at: Promise${p}. Reason: ${reason.message} > Stack: ${reason.stack}.`));

sample/config/swagger.config.ts

@@ -1,6 +1,6 @@
 import * as express from 'express';
 import { fromOptions, fromObject } from 'express-swagger-generator';
-import  options from './swagger.json';
+import options from './swagger.json';
 //import  swaggerObject from './swagger-def.json';
 
 export function configureSwagger(app: express.Express) {

sample/routes/index.ts

@@ -55,7 +55,7 @@ router.get('/api/people/:name/addresses', function (req, res, next) {
  * @security Bearer
  */
 router.get('/api/people/:name/addresses/:addressType', function (req, res, next) {
-  let addressType = req.params.addressType;
+  let addressType = Number(req.params.addressType) as AddressType;
   res.json([{ number: 10, street: "random str", type: addressType } as IAddress]);
 });
 

src/index.d.ts

@@ -1,4 +1,5 @@
 import * as express from 'express';
+import { RequestHandler } from 'express';
 // import { Spec } from 'swagger-schema-official';
 
 
@@ -23,7 +24,7 @@ declare namespace expressSwaggerGenerator {
 
     interface ISwaggerManager {
         getObject(): any;
-        registerInExpress(app: express.Express, routes?: { url: string, docs: string }): void;
+        registerInExpress(app: express.Express, routes?: { url: string, docs: string }, middlewares?: RequestHandler | RequestHandler[]): void;
         validate(callback: (err: any, result?: any) => void): void;
     }
 

src/lib/swagger.js

@@ -487,18 +487,22 @@ function createSwaggerObject(options) {
 }
 
 /** Registers an express midleware based on  */
-function expressMiddleware(app, swaggerObject, routes) {
+function expressMiddleware(app, swaggerObject, routes, middlewares) {
     parser.parse(swaggerObject, (err, api) => {
         if (!err) swaggerObject = api;
     });
 
     let url = routes ? routes.url : '/api-docs'
     let docs = routes ? routes.docs : '/api-docs.json'
 
-    app.use(docs, function (req, res) {
+    if (!middlewares) middlewares = [];
+    else if (!Array.isArray(middlewares)) middlewares = [middlewares];
+
+    app.use(docs, ...middlewares, function (req, res) {
         res.json(swaggerObject);
     });
-    app.use(url, swaggerUi({
+
+    app.use(url, ...middlewares, swaggerUi({
         route: url,
         docs: docs
     }));
@@ -507,7 +511,7 @@ function expressMiddleware(app, swaggerObject, routes) {
 function fromObject(swaggerObject) {
     return {
         getObject: function () { return swaggerObject },
-        registerInExpress: function (app, routes) { expressMiddleware(app, swaggerObject, routes); },
+        registerInExpress: function (app, routes, middlewares) { expressMiddleware(app, swaggerObject, routes, middlewares); },
         validate: function (callback) { parser.parse(swaggerObject, callback) }
     }
 }