Add custom select-authenticator

src/functions/utils.ts

@@ -0,0 +1,22 @@
+export function formPost(url: string, data: object) {
+  const form = document.createElement("form");
+  form.method = "post";
+  form.action = url;
+
+  for (const key in data) {
+    if (Object.prototype.hasOwnProperty.call(data, key)) {
+      if (data[key] === undefined) {
+        continue;
+      }
+
+      const hiddenField = document.createElement("input");
+      hiddenField.type = "hidden";
+      hiddenField.name = key;
+      hiddenField.value = data[key];
+
+      form.appendChild(hiddenField);
+    }
+  }
+  document.body.appendChild(form);
+  form.submit();
+}