Working: ordinary embeds, third-eye. [Not Tested]: pomf

src/Embedding.svelte

@@ -44,16 +44,18 @@
     if (settled) return
     settled = true
 
-    if(file.thumbnail == null) return
-    const thumb = typeof file.thumbnail === 'function' ? (await file.thumbnail()) : file.data;
+    // media is to be either thumbnail or data
     // const thumb = file.thumbnail || file.data
+    const media = typeof file.thumbnail === 'function' ? (await file.thumbnail()) : file.data;
+    if(media == null) return
+
     let type: FileTypeResult | undefined
-    if (thumb instanceof Buffer) {
-      type = await fileTypeFromBuffer(thumb);
-      url = URL.createObjectURL(new Blob([thumb], { type: type?.mime }))
+    if (media instanceof ArrayBuffer || media instanceof Uint8Array) {
+      type = await fileTypeFromBuffer(media);
+      url = URL.createObjectURL(new Blob([media], { type: type?.mime }))
       // if (!type) return; // extracted out below for TypeScript
-    } else if (typeof thumb === 'string'){
-      let head = headerStringToObject(await GM_head(thumb, undefined))
+    } else if (typeof media === 'string'){
+      let head = headerStringToObject(await GM_head(media, undefined))
       // TODO write a proper getExt() and getMime()
       type = { ext: '' as any, mime: head['content-type'].split(';')[0].trim() }
     }