feat: add HTTP gateway demo with request and response hooks

Author: jkyberneees

demos/hooks-ts-example.ts

@@ -0,0 +1,32 @@
+'use strict'
+
+import { IncomingMessage } from 'http'
+import gateway from '../index'
+import { http } from '../lib/default-hooks'
+import { ServerResponse } from 'http'
+
+gateway({
+  routes: [
+    {
+      prefix: '/httpbin',
+      target: 'https://httpbin.org',
+      hooks: {
+        onRequest: (req: IncomingMessage, res: ServerResponse) => {
+          console.log('Request to httpbin.org')
+
+          return false
+        },
+        onResponse: (
+          req: IncomingMessage,
+          res: ServerResponse,
+          proxyRequest: IncomingMessage,
+        ) => {
+          console.log('POST request to httpbin.org')
+
+          // continue forwarding the response
+          http.onResponse(req, res, proxyRequest)
+        },
+      },
+    },
+  ],
+}).start(8080)