Optional logging of proxy request added

README.md

@@ -70,6 +70,15 @@ app.use(proxy({
 }));
 ```
 
+You can turn on logging for the requests that are about to be proxied. This outputs the request details of the request going to the proxy target.
+
+```
+app.use(proxy({
+  host:  'http://alicdn.com',     // proxy alicdn.com...
+  log: true // turn logging on
+}));
+```
+
 ## LICENSE
 
 Copyright (c) 2014 popomore. Licensed under the MIT license.

index.js

@@ -35,6 +35,10 @@ module.exports = function(options) {
       method: this.method,
       body: parsedBody
     };
+    // Log outgoing requests
+    if(options.log) {
+      console.log('proxying request: ', opt);
+    }
     // set 'Host' header to options.host (without protocol prefix)
     if (options.host) opt.headers.host = options.host.slice(options.host.indexOf('://')+3)