fix: empty array in form would trigger a file upload (#482)

Author: alanpoulain

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

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,