From 32b2d251590a84c8c1476bfc2d0ddcfd0089f003 Mon Sep 17 00:00:00 2001
From: Mat Sz <contact@matsz.dev>
Date: Wed, 23 Aug 2023 18:22:32 +0200
Subject: [PATCH] ensure mime type of blob is preserved

---
 src/index.ts | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/index.ts b/src/index.ts
index 59d152c..8e2f6e8 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -29,7 +29,7 @@ export const toFile = async (
 
   const blob = await toBlob(file);
   return new File([blob], name || '', {
-    type,
+    type: type || blob.type,
   });
 };
 
@@ -43,7 +43,10 @@ export const toBlob = async (file: FileType, type?: string): Promise<Blob> => {
     return new Blob([file], {
       type: type || file.type,
     });
-  } else if (typeof file === 'string' && file.startsWith('blob:')) {
+  } else if (
+    typeof file === 'string' &&
+    (file.startsWith('blob:') || validateDataURL(file))
+  ) {
     const res = await fetch(file);
     return await res.blob();
   }