Fix allowTemplateFromDomModule opt-in

Polymer · Jul 23, 2018 · 3672737 · 3672737
1 parent a199aa9
commit 3672737
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/lib/mixins/element-mixin.js b/lib/mixins/element-mixin.js
@@ -280,7 +280,9 @@ export const ElementMixin = dedupingMixin(base => {
    */
   function getTemplateFromDomModule(is) {
     let template = null;
-    if (is && allowTemplateFromDomModule) {
+    // Under strictTemplatePolicy in 3.x+, dom-module lookup is only allowed
+    // when opted-in via allowTemplateFromDomModule
+    if (is && (!strictTemplatePolicy || allowTemplateFromDomModule)) {
       template = DomModule.import(is, 'template');
       // Under strictTemplatePolicy, require any element with an `is`
       // specified to have a dom-module