License and updater Cargo features (#258)

src-web/components/CargoFeature.tsx

@@ -0,0 +1,20 @@
+import type { ReactNode } from 'react';
+import { appInfo } from '../lib/appInfo';
+
+interface Props {
+  children: ReactNode;
+  feature: 'updater' | 'license';
+}
+
+const featureMap: Record<Props['feature'], boolean> = {
+  updater: appInfo.featureUpdater,
+  license: appInfo.featureLicense,
+};
+
+export function CargoFeature({ children, feature }: Props) {
+  if (featureMap[feature]) {
+    return <>{children}</>;
+  } else {
+    return null;
+  }
+}