Function isSyntheticEvent

packages/react/src/isSyntheticEvent.ts:11–13

(wat: unknown)

 * and that's unusual for plain objects to all have at once.
 */
export function isSyntheticEvent(wat: unknown): boolean {
  return isPlainObject(wat) && 'nativeEvent' in wat && 'preventDefault' in wat && 'stopPropagation' in wat;
}