done

file-uploader/public/js/form.js

@@ -0,0 +1,14 @@
+console.log('form stuff');
+
+const usernameCheck = async (username) => {
+    let res = await fetch(`/auth/username?username=${username}`);
+    return await res.json();
+};
+
+const input = document.querySelector("input[name='username']");
+
+input.addEventListener('input', async (e) => {
+    let input = e.target.value;
+    let test = await usernameCheck(input);
+    test.results ? console.log('user exists') : console.log('user doesnt');
+});