add messageBridge feature (#2465)

Co-authored-by: Shane Osbourne <[email protected]>

features/message-bridge.json

@@ -0,0 +1,11 @@
+{
+    "_meta": {
+        "description": "Adds support for messaging between DDG properties and browsers",
+        "sampleExcludeRecords": {}
+    },
+    "exceptions": [],
+    "settings": {
+        "aiChat": "disabled",
+        "domains": []
+    }
+}

package.json

@@ -6,6 +6,7 @@
   "scripts": {
     "test": "npm run lint && npm run tsc && npm run build && npm run unit-tests",
     "lint": "eslint . && prettier . --check",
+    "lint-fix": "eslint . --fix && prettier . --write",
     "tsc": "tsc",
     "tsc-watch": "tsc --watch",
     "unit-tests": "mocha ./tests/**/*.js",

schema/config.ts

@@ -5,6 +5,7 @@ import { TrackerAllowlistFeature } from './features/tracker-allowlist';
 import { WebCompatFeature } from './features/webcompat';
 import { DuckPlayerFeature } from './features/duckplayer';
 import { AutofillFeature } from './features/autofill';
+import { MessageBridgeFeature } from './features/message-bridge';
 
 export { WebCompatSettings } from './features/webcompat';
 export { DuckPlayerSettings } from './features/duckplayer';
@@ -31,6 +32,7 @@ export type ConfigV4<VersionType> = {
         duckPlayer: DuckPlayerFeature<VersionType>;
         trackerAllowlist: TrackerAllowlistFeature<VersionType>;
         webCompat: WebCompatFeature<VersionType>;
+        messageBridge: MessageBridgeFeature<VersionType>;
     };
     unprotectedTemporary: SiteException[];
 };

schema/features/message-bridge.ts

@@ -0,0 +1,7 @@
+import { CSSInjectFeatureSettings, Feature, FeatureState } from '../feature';
+
+export type MessageBridgeSettings = CSSInjectFeatureSettings<{
+    aiChat: FeatureState;
+}>;
+
+export type MessageBridgeFeature<VersionType> = Feature<MessageBridgeSettings, VersionType>;