dom overrides: add noop overrides for Cache objects, along with Cache…

…Storage, to ensure APIs don't fail (eg. in extension domain)

bump to 3.8.5

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@webrecorder/wombat",
-  "version": "3.8.4",
+  "version": "3.8.5",
   "main": "index.js",
   "license": "AGPL-3.0-or-later",
   "author": "Ilya Kreymer, Webrecorder Software",

src/wombat.js

@@ -6245,6 +6245,39 @@ Wombat.prototype.initIndexedDBOverride = function() {
 };
 
 Wombat.prototype.initCachesOverride = function() {
+  if (!this.$wbwindow.Cache) {
+    return;
+  }
+
+  var proto = this.$wbwindow.Cache.prototype;
+
+  proto.match = function() {
+    return Promise.resolve(undefined);
+  }
+
+  proto.matchAll = function() {
+    return Promise.resolve([]);
+  }
+
+  proto.add = function() {
+    return Promise.resolve(undefined);
+  }
+
+  proto.put = function() {
+    return Promise.resolve(undefined);
+  }
+
+  proto.delete = function() {
+    return Promise.resolve(false);
+  }
+
+  proto.keys = function() {
+    return Promise.resolve([]);
+  }
+}
+
+
+Wombat.prototype.initCacheStorageOverride = function() {
   if (!this.$wbwindow.CacheStorage) {
     return;
   }
@@ -6972,6 +7005,7 @@ Wombat.prototype.wombatInit = function() {
   this.initStorageOverride();
 
   // wrap caches to ensure only host sandboxed caches are available
+  this.initCacheStorageOverride();
   this.initCachesOverride();
 
   // wraps indexeddb access to ensure only host sandboxed dbs are available