make sure trusted types array includes defaults from every new window

LavaMoat · Jun 20, 2023 · dd9d85b · dd9d85b
1 parent 443eb1f
commit dd9d85b
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Showing 3 changed files with 9 additions and 7 deletions.
diff --git a/snow.js b/snow.js
@@ -1196,21 +1196,22 @@ const {
   Function
 } = __webpack_require__(14);
 function getHook(win, native) {
+  trustedHTMLs.push(win.trustedTypes.emptyHTML);
   return function (a, b) {
     const ret = Function.prototype.call.call(native, this, a, b);
     trustedHTMLs.push(ret);
     return ret;
   };
 }
 function hookTrustedHTMLs(win) {
-  if (typeof TrustedTypePolicy === 'undefined') {
+  if (typeof win.TrustedTypePolicy === 'undefined') {
     return;
   }
-  const desc = Object.getOwnPropertyDescriptor(TrustedTypePolicy.prototype, 'createHTML');
+  const desc = Object.getOwnPropertyDescriptor(win.TrustedTypePolicy.prototype, 'createHTML');
   desc.configurable = desc.writable = true;
   const val = desc.value;
   desc.value = getHook(win, val);
-  Object.defineProperty(TrustedTypePolicy.prototype, 'createHTML', desc);
+  Object.defineProperty(win.TrustedTypePolicy.prototype, 'createHTML', desc);
 }
 module.exports = hookTrustedHTMLs;