message: feat(errors): export isNavigationFailure
diff: @@ -49,9 +49,11 @@ export {
  ScrollBehavior,
  } from './router'
  -// waiting for RFC isNavigationFailure to be merged
  -// https://github.com/vuejs/rfcs/pull/184
  -export { NavigationFailureType, NavigationFailure } from './errors'
  +export {
  + NavigationFailureType,
  + NavigationFailure,
  + isNavigationFailure,
  +} from './errors'
  export { onBeforeRouteLeave, onBeforeRouteUpdate } from './navigationGuards'
  export { RouterLink, useLink, RouterLinkProps } from './RouterLink'
  