implement feature flags

editors/code/src/config.ts

@@ -23,6 +23,7 @@ export class Config {
     public lruCapacity: null | number = null;
     public displayInlayHints = true;
     public excludeGlobs = [];
+    public featureFlags = {};
     public cargoWatchOptions: CargoWatchOptions = {
         enableOnStartup: 'ask',
         trace: 'off',
@@ -132,5 +133,8 @@ export class Config {
         if (config.has('excludeGlobs')) {
             this.excludeGlobs = config.get('excludeGlobs') || [];
         }
+        if (config.has('featureFlags')) {
+            this.featureFlags = config.get('featureFlags') || {};
+        }
     }
 }

editors/code/src/server.ts

@@ -45,7 +45,8 @@ export class Server {
                 showWorkspaceLoaded:
                     Server.config.showWorkspaceLoadedNotification,
                 lruCapacity: Server.config.lruCapacity,
-                excludeGlobs: Server.config.excludeGlobs
+                excludeGlobs: Server.config.excludeGlobs,
+                featureFlags: Server.config.featureFlags
             },
             traceOutputChannel
         };