Create

resources/website/js/login.js

@@ -0,0 +1,28 @@
+var form = null
+
+async function submit(e) {
+    e.preventDefault()
+
+    const formData = new FormData(form)
+
+    try {
+        const response = await fetch("https://example.org/post", {
+            method: "POST",
+            body: formData,
+        })
+
+        const data = await response.json()
+
+        window.sessionStorage.setItem("user", data.user)
+        window.sessionStorage.setItem("session", data.session)
+
+        window.location.assign("/");
+    } catch (e) {
+        console.error(e);
+    }
+}
+
+window.onload = () => {
+    form = document.getElementById("login-form")
+    form.addEventListener("submit", submit)
+}