More resilient check

Author: tomayac

README.md

@@ -163,7 +163,7 @@ const options = {
   // Set to `true` to recursively open files in all subdirectories, defaults to `false`.
   recursive: true,
   // Open the directory with `"read"` or `"readwrite"` permission, defaults to `"read"`.
-  mode: 
+  mode:
   // Suggested directory in which the file picker opens. A well-known directory, or a file or directory handle.
   startIn: 'downloads',
   // By specifying an ID, the user agent can remember different directories for different IDs.

demo/script.mjs

@@ -46,7 +46,7 @@ import { imageToBlob } from './image-to-blob.mjs';
 
   const listDirectory = (blobs) => {
     let fileStructure = '';
-    if (!blobs.length || !(blobs[0] instanceof File)) {
+    if (blobs.length && !(blobs[0] instanceof File)) {
       return (pre.textContent += 'No files in directory.\n');
     }
     blobs