diff --git a/src/flash.js b/src/flash.js
index e464f81..4a4d84e 100644
--- a/src/flash.js
+++ b/src/flash.js
@@ -9,7 +9,13 @@ module.exports = () => {
       if (messages.length === 0) continue;
       for (const message of messages) {
         if (type === 'custom' && typeof message === 'object') {
-          steps.push(message);
+          // render any full screen alerts immediately
+          // eslint-disable-next-line max-depth
+          if (message.grow === 'fullscreen') {
+            Swal.fire(message);
+          } else {
+            steps.push(message);
+          }
         } else if (typeof message === 'string') {
           steps.push({
             title: