feat(theme): export formatToken for generate of alias token

components/theme/index.ts

@@ -4,6 +4,7 @@ import type { GlobalToken } from './interface';
 import defaultAlgorithm from './themes/default';
 import darkAlgorithm from './themes/dark';
 import compactAlgorithm from './themes/compact';
+import formatToken from './util/alias';
 
 // ZombieJ: We export as object to user but array in internal.
 // This is used to minimize the bundle size for antd package but safe to refactor as object also.
@@ -25,6 +26,7 @@ export default {
   defaultSeed: defaultConfig.token,
 
   useToken,
+  formatToken,
   defaultAlgorithm,
   darkAlgorithm,
   compactAlgorithm,