From 021f6d37d4691666666ff978a3298b45dc71a55e Mon Sep 17 00:00:00 2001
From: zsviczian <viczian.zsolt@gmail.com>
Date: Tue, 4 Feb 2025 20:07:47 +0100
Subject: [PATCH 1/4] Fixes SAMSUNG update issue where blob.type === "" when
 adding image from gallery

---
 packages/excalidraw/data/blob.ts | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/packages/excalidraw/data/blob.ts b/packages/excalidraw/data/blob.ts
index 2293f860c..ffa472767 100644
--- a/packages/excalidraw/data/blob.ts
+++ b/packages/excalidraw/data/blob.ts
@@ -107,6 +107,17 @@ export const isImageFileHandle = (handle: FileSystemHandle | null) => {
   return type === "png" || type === "svg";
 };
 
+const getExtensionFromFilename = (filename?: string): string | null => {
+  if (!filename) return null;
+  const ext = filename.split('.').pop()?.toLowerCase();
+  return ext || null;
+};
+
+const isSupportedExtension = (filename?: string) => {
+  const extension = getExtensionFromFilename(filename);
+  return !!extension && extension in IMAGE_MIME_TYPES;
+};
+
 export const isSupportedImageFileType = (type: string | null | undefined) => {
   return !!type && (Object.values(IMAGE_MIME_TYPES) as string[]).includes(type);
 };
@@ -115,7 +126,11 @@ export const isSupportedImageFile = (
   blob: Blob | null | undefined,
 ): blob is Blob & { type: ValueOf<typeof IMAGE_MIME_TYPES> } => {
   const { type } = blob || {};
-  return isSupportedImageFileType(type);
+  if (type) {
+    return isSupportedImageFileType(type);
+  }
+  const { name } = blob || {};
+  return isSupportedExtension(name);
 };
 
 export const loadSceneOrLibraryFromBlob = async (

From 413f852cf6a74cfc2b052fc70817f6e928fe5ae0 Mon Sep 17 00:00:00 2001
From: zsviczian <viczian.zsolt@gmail.com>
Date: Tue, 4 Feb 2025 20:14:31 +0100
Subject: [PATCH 2/4] lint

---
 packages/excalidraw/data/blob.ts | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/packages/excalidraw/data/blob.ts b/packages/excalidraw/data/blob.ts
index ffa472767..0934b8efd 100644
--- a/packages/excalidraw/data/blob.ts
+++ b/packages/excalidraw/data/blob.ts
@@ -108,8 +108,10 @@ export const isImageFileHandle = (handle: FileSystemHandle | null) => {
 };
 
 const getExtensionFromFilename = (filename?: string): string | null => {
-  if (!filename) return null;
-  const ext = filename.split('.').pop()?.toLowerCase();
+  if (!filename) {
+    return null;
+  }
+  const ext = filename.split(".").pop()?.toLowerCase();
   return ext || null;
 };
 

From 2e876e98d7db56f6664d7240b6cb476c866af9f3 Mon Sep 17 00:00:00 2001
From: zsviczian <viczian.zsolt@gmail.com>
Date: Tue, 4 Feb 2025 21:11:29 +0100
Subject: [PATCH 3/4] Update App.tsx

---
 packages/excalidraw/components/App.tsx | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/packages/excalidraw/components/App.tsx b/packages/excalidraw/components/App.tsx
index dc81f9181..122f5972e 100644
--- a/packages/excalidraw/components/App.tsx
+++ b/packages/excalidraw/components/App.tsx
@@ -9817,13 +9817,23 @@ class App extends React.Component<AppProps, AppState> {
         this.state,
       );
 
-      const imageFile = await fileOpen({
+      let imageFile = await fileOpen({
         description: "Image",
         extensions: Object.keys(
           IMAGE_MIME_TYPES,
         ) as (keyof typeof IMAGE_MIME_TYPES)[],
       });
 
+      //maybe temporary fix: https://github.com/excalidraw/excalidraw/issues/9091
+      if (imageFile && !imageFile.type) {
+        const extension = imageFile.name.split(".").pop()?.toLowerCase();
+        const mimeType =
+          IMAGE_MIME_TYPES[extension as keyof typeof IMAGE_MIME_TYPES];
+        if (mimeType) {
+          imageFile = new File([imageFile], imageFile.name, { type: mimeType });
+        }
+      }
+
       const imageElement = this.createImageElement({
         sceneX: x,
         sceneY: y,

From 0aa260879970c40882b25fae688adab433ad761e Mon Sep 17 00:00:00 2001
From: zsviczian <viczian.zsolt@gmail.com>
Date: Tue, 4 Feb 2025 21:12:18 +0100
Subject: [PATCH 4/4] Update blob.ts

---
 packages/excalidraw/data/blob.ts | 19 +------------------
 1 file changed, 1 insertion(+), 18 deletions(-)

diff --git a/packages/excalidraw/data/blob.ts b/packages/excalidraw/data/blob.ts
index 0934b8efd..2293f860c 100644
--- a/packages/excalidraw/data/blob.ts
+++ b/packages/excalidraw/data/blob.ts
@@ -107,19 +107,6 @@ export const isImageFileHandle = (handle: FileSystemHandle | null) => {
   return type === "png" || type === "svg";
 };
 
-const getExtensionFromFilename = (filename?: string): string | null => {
-  if (!filename) {
-    return null;
-  }
-  const ext = filename.split(".").pop()?.toLowerCase();
-  return ext || null;
-};
-
-const isSupportedExtension = (filename?: string) => {
-  const extension = getExtensionFromFilename(filename);
-  return !!extension && extension in IMAGE_MIME_TYPES;
-};
-
 export const isSupportedImageFileType = (type: string | null | undefined) => {
   return !!type && (Object.values(IMAGE_MIME_TYPES) as string[]).includes(type);
 };
@@ -128,11 +115,7 @@ export const isSupportedImageFile = (
   blob: Blob | null | undefined,
 ): blob is Blob & { type: ValueOf<typeof IMAGE_MIME_TYPES> } => {
   const { type } = blob || {};
-  if (type) {
-    return isSupportedImageFileType(type);
-  }
-  const { name } = blob || {};
-  return isSupportedExtension(name);
+  return isSupportedImageFileType(type);
 };
 
 export const loadSceneOrLibraryFromBlob = async (