Set transpile target to es2015

material/base.html

@@ -191,7 +191,7 @@
         "base": base_url,
         "features": features,
         "translations": {},
-        "search": "assets/javascripts/workers/search.f5903571.min.js" | url,
+        "search": "assets/javascripts/workers/search.31ff4e5f.min.js" | url,
         "version": config.extra.version or None
       } -%}
       {%- set translations = app.translations -%}
@@ -217,7 +217,7 @@
       </script>
     {% endblock %}
     {% block scripts %}
-      <script src="{{ 'assets/javascripts/bundle.3981fc68.min.js' | url }}"></script>
+      <script src="{{ 'assets/javascripts/bundle.216d634c.min.js' | url }}"></script>
       {% for path in config["extra_javascript"] %}
         <script src="{{ path | url }}"></script>
       {% endfor %}

material/overrides/main.html

@@ -53,5 +53,5 @@
 {% endblock %}
 {% block scripts %}
   {{ super() }}
-  <script src="{{ 'overrides/assets/javascripts/bundle.a8da887a.min.js' | url }}"></script>
+  <script src="{{ 'overrides/assets/javascripts/bundle.c978d37b.min.js' | url }}"></script>
 {% endblock %}

tools/build/transform/index.ts

@@ -161,6 +161,7 @@ export function transformScript(
 ): Observable<string> {
   return defer(() => esbuild({
     entryPoints: [options.from],
+    target: "es2015",
     write: false,
     bundle: true,
     sourcemap: true,