Fix thumbnail cropping issue when EXIF orientation metadata is missing

Fix #76

Author: dahlia

CHANGES.md

@@ -6,6 +6,9 @@ Version 0.3.3
 
 To be released.
 
+ -  Fixed a bug where generated thumbnails had been cropped incorrectly
+    if the original image had not the EXIF orientation metadata.  [[#76]]
+
 
 Version 0.3.2
 -------------

src/media.ts

@@ -24,7 +24,10 @@ export async function uploadThumbnail(
   const originalMetadata = await original.metadata();
   let width = originalMetadata.width!;
   let height = originalMetadata.height!;
-  if (originalMetadata.orientation !== 1) {
+  if (
+    originalMetadata.orientation != null &&
+    originalMetadata.orientation !== 1
+  ) {
     // biome-ignore lint/style/noParameterAssign:
     original = original.clone();
     original.rotate();