safari fixes: update to latest wabac.js (fix bug with cacheing responses to safari's 0-1 range check)

fix spinner in safari by adding keyframes to document itself

src/appmain.js

@@ -26,6 +26,8 @@ class App extends LitElement
 
     registerSW(__SW_NAME__);
     initDBWorker();
+
+    this.safariKeyframes();
   }
 
   static get properties() {
@@ -374,6 +376,24 @@ class App extends LitElement
       window.location.search = this.pageParams.toString();
     }
   }
+
+  safariKeyframes() {
+    // Safari requires keyframes at the document level, add spinner keyframes here
+    const css = `
+    @keyframes spinAround {
+      from {
+        transform: rotate(0deg);
+      }
+      to {
+        transform: rotate(359deg);
+      }
+    }
+    `;
+
+    const style = document.createElement("style");
+    document.head.appendChild(style);
+    style.appendChild(document.createTextNode(css));
+  }
 }
 
 customElements.define("replay-app-main", App);