From bc86cc7a171a563eaa09f9932aab1d367b1da431 Mon Sep 17 00:00:00 2001
From: Alan Poulain <contact@alanpoulain.eu>
Date: Thu, 6 Oct 2022 17:30:46 +0200
Subject: [PATCH] fix: empty array in form would trigger a file upload (#482)

---
 CHANGELOG.md              | 4 ++++
 src/hydra/dataProvider.ts | 2 +-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9ccb2d31..ae3ba0fa 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## 3.4.1
+
+* Fix empty array in form would trigger a file upload
+
 ## 3.4.0
 
 * Add enum input guesser
diff --git a/src/hydra/dataProvider.ts b/src/hydra/dataProvider.ts
index 4c2c506c..abb65d71 100644
--- a/src/hydra/dataProvider.ts
+++ b/src/hydra/dataProvider.ts
@@ -257,7 +257,7 @@ function dataProvider(
       const values = Object.values(hydraData);
       const containFile = (element: unknown): boolean =>
         Array.isArray(element)
-          ? element.every((value) => containFile(value))
+          ? element.length > 0 && element.every((value) => containFile(value))
           : isPlainObject(element) &&
             Object.values(element as Record<string, unknown>).some(
               (value) => value instanceof File,