refactor: solve statistic circular dependency issue (#42814)

components/statistic/Statistic.tsx

@@ -4,9 +4,8 @@ import type { ConfigConsumerProps } from '../config-provider';
 import { ConfigContext } from '../config-provider';
 import Skeleton from '../skeleton';
 import StatisticNumber from './Number';
-import type { FormatConfig, valueType } from './utils';
 import useStyle from './style';
-import Countdown from './Countdown';
+import type { FormatConfig, valueType } from './utils';
 
 export interface StatisticProps extends FormatConfig {
   prefixCls?: string;
@@ -24,11 +23,7 @@ export interface StatisticProps extends FormatConfig {
   onMouseLeave?: React.MouseEventHandler<HTMLDivElement>;
 }
 
-type CompoundedComponent = {
+const Statistic: React.FC<StatisticProps> = (props) => {
-  Countdown: typeof Countdown;
-};
-
-const Statistic: React.FC<StatisticProps> & CompoundedComponent = (props) => {
   const {
     prefixCls: customizePrefixCls,
     className,
@@ -91,6 +86,4 @@ if (process.env.NODE_ENV !== 'production') {
   Statistic.displayName = 'Statistic';
 }
 
-Statistic.Countdown = Countdown;
-
 export default Statistic;

components/statistic/index.tsx

@@ -1,6 +1,16 @@
 import type { CountdownProps } from './Countdown';
+import Countdown from './Countdown';
 import type { StatisticProps } from './Statistic';
 import Statistic from './Statistic';
 
 export type { StatisticProps, CountdownProps };
-export default Statistic;
+
+type CompoundedComponent = {
+  Countdown: typeof Countdown;
+};
+
+export type CompoundedStatistic = typeof Statistic & CompoundedComponent;
+
+(Statistic as CompoundedStatistic).Countdown = Countdown;
+
+export default Statistic as CompoundedStatistic;