Merge pull request #42 from deepeshhmehta/master

- Adding demo to support multiple hooks.
- Improving TS definitions.

Author: jkyberneees

demos/multiple-hooks.js

@@ -0,0 +1,38 @@
+'use strict'
+
+const gateway = require('./../index')
+const PORT = process.env.PORT || 8080
+
+const { multipleHooks } = require('fg-multiple-hooks');
+
+const hook1 = async (req, res) => {
+    console.log('hook1 with logic 1 called');
+    // res.send('hook failed here');
+    return false; // do not abort the request
+};
+
+const hook2 = async (req, res) => {
+    console.log('hook2 with logic 2 called');
+    const shouldAbort = true;
+    if (shouldAbort) {
+        res.send('handle a rejected request here');
+    }
+    return shouldAbort; 
+}
+
+gateway({
+  routes: [{
+    prefix: '/service',
+    target: 'http://127.0.0.1:3000',
+    hooks: {
+        onRequest: (req, res) => multipleHooks(req, res, hook1, hook2), // you can add as many hooks as you please
+        onResponse (req, res, stream) {
+            // you can alter the origin response and remote response here
+            // default implementation explained here:
+            // https://www.npmjs.com/package/fast-gateway#onresponse-hook-default-implementation
+        }
+    }
+  }]
+}).start(PORT).then(server => {
+  console.log(`API Gateway listening on ${PORT} port!`)
+})

index.d.ts

@@ -16,6 +16,11 @@ declare namespace fastgateway {
     type: string;
   }
 
+  interface Opts {
+    server?: Function,
+    middlewares?: Function[],
+    routes?: Route[], 
+  }
   interface Route {
     proxyType?: Type;
     fastProxy?: {};

package.json

@@ -47,6 +47,7 @@
     "express": "^4.17.1",
     "express-jwt": "^5.3.3",
     "express-rate-limit": "^5.1.3",
+    "fg-multiple-hooks": "^1.0.1",
     "helmet": "^3.22.0",
     "http-lambda-proxy": "^1.0.1",
     "mocha": "^7.2.0",