Add direct image download to pdf-to-jpg

src/js/utils/helpers.ts

@@ -460,3 +460,22 @@ export function formatRawDate(raw: string): string {
   }
   return raw;
 }
+
+/**
+ * Returns a sanitized PDF filename.
+ *
+ * The provided filename is processed as follows:
+ * - Removes a trailing `.pdf` file extension (case-insensitive)
+ * - Trims leading and trailing whitespace
+ * - Truncates the name to a maximum of 80 characters
+ *
+ * @param filename The original filename (including extension)
+ * @returns The sanitized filename without the `.pdf` extension, limited to 80 characters
+ */
+export function getCleanPdfFilename(filename: string): string {
+  let clean = filename.replace(/\.pdf$/i, '').trim();
+  if (clean.length > 80) {
+    clean = clean.slice(0, 80);
+  }
+  return clean;
+}