Pass options to form contructor (#2640)

* Pass options to form contructor

* Only apply form options when set

---------

Co-authored-by: Hendrik Haas <hh@hpm.agency>

src/config/web.ts

@@ -1,6 +1,8 @@
 import * as os from "os";
 import { ActionheroConfigInterface } from "..";
 
+import type { Options as FormParserOptions } from "formidable";
+
 const namespace = "web";
 
 declare module ".." {
@@ -83,7 +85,7 @@ export const DEFAULT = {
         keepExtensions: false,
         maxFieldsSize: 1024 * 1024 * 20,
         maxFileSize: 1024 * 1024 * 200,
-      },
+      } as FormParserOptions,
       // Should we pad JSON responses with whitespace to make them more human-readable?
       // set to null to disable
       padding: 2,

src/servers/web.ts

@@ -694,8 +694,11 @@ export class WebServer extends Server {
           connection.rawConnection.req.headers["Content-Type"])
       ) {
         connection.rawConnection.form = new formidable.IncomingForm();
-        for (i in this.config.formOptions) {
-          connection.rawConnection.form.options[i] = this.config.formOptions[i];
+        if (this.config?.formOptions) {
+          for (i in this.config.formOptions) {
+            connection.rawConnection.form.options[i] =
+              this.config.formOptions[i];
+          }
         }
 
         let rawBody = Promise.resolve(Buffer.alloc(0));