From 7fe4330ca9da0e91418c05ffb0456dea0b2459dd Mon Sep 17 00:00:00 2001
From: Pascal Kuster <kuschti+dev@gmail.com>
Date: Wed, 25 Nov 2020 18:04:48 +0100
Subject: [PATCH] fix template script tag support #13270

---
 lib/client-api/src/simulate-pageload.ts | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/lib/client-api/src/simulate-pageload.ts b/lib/client-api/src/simulate-pageload.ts
index 274eaaecf406..488e33289b5e 100644
--- a/lib/client-api/src/simulate-pageload.ts
+++ b/lib/client-api/src/simulate-pageload.ts
@@ -82,15 +82,17 @@ export function simulatePageLoad($container: any) {
       const typeAttr = $script.getAttribute('type');
 
       // only run script tags without the type attribute
-      // or with a javascript mime attribute value
-      if (!typeAttr || !runScriptTypes.includes(typeAttr)) {
+      // or with a javascript mime attribute value from the list
+      if (!typeAttr || runScriptTypes.includes(typeAttr)) {
         scriptsToExecute.push((callback: any) => insertScript($script, callback, $scriptsRoot));
       }
     });
 
     // insert the script tags sequentially
     // to preserve execution order
-    insertScriptsSequentially(scriptsToExecute, simulateDOMContentLoaded, undefined);
+    if (scriptsToExecute.length) {
+      insertScriptsSequentially(scriptsToExecute, simulateDOMContentLoaded, undefined);
+    }
   } else {
     simulateDOMContentLoaded();
   }