POC add priv interface loading

Author: jonathanKingston

src/features/navigator-interface.js

@@ -1,29 +1,39 @@
 import { defineProperty, DDGPromise } from '../utils'
 import ContentFeature from '../content-feature'
 
+function injectNavigatorInterface (args) {
+    try {
+        // @ts-expect-error https://app.asana.com/0/1201614831475344/1203979574128023/f
+        if (navigator.duckduckgo) {
+            return
+        }
+        if (!args.platform || !args.platform.name) {
+            return
+        }
+        defineProperty(Navigator.prototype, 'duckduckgo', {
+            value: {
+                platform: args.platform.name,
+                isDuckDuckGo () {
+                    return DDGPromise.resolve(true)
+                }
+            },
+            enumerable: true,
+            configurable: false,
+            writable: false
+        })
+    } catch {
+        // todo: Just ignore this exception?
+    }
+}
+
 export default class NavigatorInterface extends ContentFeature {
-    init (args) {
-        try {
-            // @ts-expect-error https://app.asana.com/0/1201614831475344/1203979574128023/f
-            if (navigator.duckduckgo) {
-                return
-            }
-            if (!args.platform || !args.platform.name) {
-                return
-            }
-            defineProperty(Navigator.prototype, 'duckduckgo', {
-                value: {
-                    platform: args.platform.name,
-                    isDuckDuckGo () {
-                        return DDGPromise.resolve(true)
-                    }
-                },
-                enumerable: true,
-                configurable: false,
-                writable: false
-            })
-        } catch {
-            // todo: Just ignore this exception?
+    load (args) {
+        if (this.matchDomainFeatureSetting('privilegedDomains').length) {
+            injectNavigatorInterface(args)
         }
     }
+
+    init (args) {
+        injectNavigatorInterface(args)
+    }
 }