From e9a9ab3ad101bda732139917b0930ebbf2c80bbc Mon Sep 17 00:00:00 2001
From: Andros Fenollosa <tanrax@users.noreply.github.com>
Date: Thu, 10 Feb 2022 09:22:29 +0100
Subject: [PATCH] Update fnTools.ts

---
 src/fnTools.ts | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/src/fnTools.ts b/src/fnTools.ts
index c0a2702..58af0fe 100644
--- a/src/fnTools.ts
+++ b/src/fnTools.ts
@@ -179,3 +179,15 @@ export function getIndexOfFileList(name: string, list: Array<File>): number {
 export function deleteArrayElementByIndex(list: Array<any>, index: number) {
     return list.filter((item, itemIndex) => itemIndex !== index);
 }
+
+/**
+ * Returns a FileLists from an array containing Files.
+ * @param {Array<File>} filesList
+ * @return {FileList}
+ */
+export function arrayFilesToFileList(filesList) {
+    return filesList.reduce(function (dataTransfer, file) {
+        dataTransfer.items.add(file);
+        return dataTransfer;
+    }, new DataTransfer()).files;
+}