From eb39f360e3f334eb9e4fb7f5eb4628c72d6222bf Mon Sep 17 00:00:00 2001
From: t1m0t <t1m95.tb@gmail.com>
Date: Fri, 11 Feb 2022 17:59:59 +0100
Subject: [PATCH] fix some uncaught error during runtime test

---
 packages/web/src/dom.rs | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/packages/web/src/dom.rs b/packages/web/src/dom.rs
index c722ab737..48fb25e6e 100644
--- a/packages/web/src/dom.rs
+++ b/packages/web/src/dom.rs
@@ -87,7 +87,15 @@ impl WebsysDom {
             }
         });
 
-        let root = load_document().get_element_by_id(&cfg.rootname).unwrap();
+        let document = load_document();
+        let root = match document.get_element_by_id(&cfg.rootname) {
+            Some(root) => root,
+            // a match here in order to avoid some error during runtime browser test
+            None => {
+                let body = document.create_element("body").ok().unwrap();
+                body
+            }
+        };
 
         Self {
             interpreter: Interpreter::new(root.clone()),