Update index.js

index.js

@@ -335,16 +335,19 @@ fileUpload.addEventListener('change', async function(e) {
   const file = e.target.files[0];
   if (!file) return;
 
-  const url = e2.target.result;
-  
-  const image = await RawImage.fromURL(url);
-  const ar = image.width / image.height;
-  const [cw, ch] = (ar > 1) ? [640, 640 / ar] : [640 * ar, 640];
-  imageContainer.style.width = `${cw}px`;
-  imageContainer.style.height = `${ch}px`;
-  imageContainer.style.backgroundImage = `url(${url})`;
 
   const reader = new FileReader();
+  reader.onload = (e2) => {
+    const url = e2.target.result;
+    
+    const image = await RawImage.fromURL(url);
+    const ar = image.width / image.height;
+    const [cw, ch] = (ar > 1) ? [640, 640 / ar] : [640 * ar, 640];
+    imageContainer.style.width = `${cw}px`;
+    imageContainer.style.height = `${ch}px`;
+    imageContainer.style.backgroundImage = `url(${url})`;
   // reader.onload = e2 => parse(e2.target.result, '');
+    
+  }
   reader.readAsDataURL(file);
 });