1 files changed, 20 insertions, 5 deletions
diff --git a/webAO/utils/fileExists.js b/webAO/utils/fileExists.js
index 6d32a1e..3065112 100644
--- a/webAO/utils/fileExists.js
+++ b/webAO/utils/fileExists.js
@@ -1,8 +1,23 @@
-const fileExists = async (url) => {
-  const xhr = new XMLHttpRequest();
-  xhr.open('HEAD', url, false);
-  xhr.send();
 
-  return xhr.status === 200;
+const fileExists = async (url) => {
+  return new Promise((resolve, reject) => {
+    const xhr = new XMLHttpRequest();
+    xhr.open('HEAD', url);
+    xhr.onload = function (e) {
+      if (xhr.readyState === 4) {
+        if (xhr.status === 200) {
+          resolve(true)
+        } else {
+          reject(false)
+        }
+      }
+    };
+    xhr.onerror = function (e) {
+      resolve(false)
+    };
+    xhr.send(null);
+  })
+  
+  
 };
 export default fileExists;