Adding support for file upload (#88)

README.md

@@ -241,6 +241,22 @@ module.exports = {
 };
 ```
 
+## FILE UPLOAD
+Ex: return file name<br/>
+formDataName = 'file'
+
+``` javascript
+module.exports = {
+  render: (req, res) => {
+    if (callback) {
+      res.send({fileName: req.files.file.name});
+    } else {
+      res.send(res.body);
+    }
+  }
+}
+```
+
 ## HTTPS
 
 If you want to run dyson over SSL you have to provide a (authority-signed or self-signed) certificate into the `options.https` the same way it's required for NodeJS built-in `https` module. Example:

lib/dyson.js

@@ -11,6 +11,7 @@ const delay = require('./delay');
 const proxy = require('./proxy');
 const requireParameter = require('./parameter');
 const rawBody = require('./raw-body');
+const fileUpload = require('express-fileupload');
 
 /*
  * There are roughly 3 steps to initialize dyson:
@@ -65,6 +66,7 @@ const installMiddleware = (app, options) => {
   app.use(favicon(`${__dirname}/favicon.ico`));
   app.use(bodyParser.json(bodyParserOptions));
   app.use(bodyParser.urlencoded(bodyParserUrlOptions));
+  app.use(fileUpload());
 
   return app;
 };

package.json

@@ -47,6 +47,7 @@
     "cookie-parser": "^1.4.5",
     "cors": "^2.8.5",
     "express": "^4.17.1",
+    "express-fileupload": "0.4.0",
     "lodash": "^4.17.21",
     "request": "^2.88.2",
     "require-directory": "^2.1.1",