Magnum Opus pt1

1 files changed, 17 insertions, 0 deletions

diff --git a/webAO/utils/fileExists.js b/webAO/utils/fileExists.js
new file mode 100644
index 0000000..261acda
--- /dev/null
+++ b/webAO/utils/fileExists.js
@@ -0,0 +1,17 @@
+const fileExists = async (url) => {
+  const xhr = new XMLHttpRequest();
+  xhr.open('GET', url, true);
+  xhr.onload = function (e) {
+    if (xhr.readyState === 4) {
+      if (xhr.status === 200) {
+        return true;
+      }
+      return false;
+    }
+  };
+  xhr.onerror = function (e) {
+    return false;
+  };
+  xhr.send(null);
+};
+export default fileExists;