From aed825c4d6c3d81d80ce02be51dd0db8900d8f4d Mon Sep 17 00:00:00 2001
From: Alice Gaudon <alice@gaudon.pro>
Date: Mon, 25 Jan 2021 17:26:29 +0100
Subject: [PATCH] FormHelperComponent: don't flash empty previous form data

---
 src/components/FormHelperComponent.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/components/FormHelperComponent.ts b/src/components/FormHelperComponent.ts
index 3f46ace..47527ca 100644
--- a/src/components/FormHelperComponent.ts
+++ b/src/components/FormHelperComponent.ts
@@ -37,7 +37,7 @@ export default class FormHelperComponent extends ApplicationComponent {
 
         router.use((req, res, next) => {
             if (['GET', 'POST'].find(m => m === req.method)) {
-                if (typeof req.body === 'object') {
+                if (typeof req.body === 'object' && Object.keys(req.body).length > 0) {
                     req.flash('previousFormData', req.body);
                 }
             }