Add type CSSTransitionEventHandler

Author: cvle

src/csstransition.tsx

@@ -19,12 +19,14 @@ import { TransitionObserver } from "./transitionobserver";
 
 const TICK = 17;
 
+export type CSSTransitionEventHandler = () => void;
+
 export interface CSSTransitionProps
   extends HTMLAttributes<any> {
   active?: boolean;
   transitionAppear?: boolean;
   transitionDelay?: number;
-  onTransitionComplete?: () => void;
+  onTransitionComplete?: CSSTransitionEventHandler;
   component?: string | ComponentClass<any> | StatelessComponent<any>;
   children?: ReactNode;
   defaultStyle?: CSSProperties;

src/index.ts

@@ -6,6 +6,6 @@
  * of the MIT license. See the LICENSE file for details.
  */
 
-export { CSSTransition, CSSTransitionProps } from "./csstransition";
+export { CSSTransition, CSSTransitionProps, CSSTransitionEventHandler } from "./csstransition";
 export { CSSTransitionGroup, CSSTransitionGroupProps } from "./csstransitiongroup";
 export { transit } from "./transit";