@prefecthq/prefect-ui-library/src/types/RouteGuard.ts

This library is the Vue and Typescript component library for [Prefect 2](https://github.com/PrefectHQ/prefect) and [Prefect Cloud 2](https://www.prefect.io/cloud/). _The components and utilities in this project are not meant to be used independently_.

import { RouteLocationNormalized, RouteLocationRaw } from 'vue-router'

export type MaybePromise<T> = T | Promise<T>
export type RouteGuardReturn = MaybePromise<void | Error | RouteLocationRaw | boolean>

export interface RouteGuard {
  before?: (to: RouteLocationNormalized, from: RouteLocationNormalized) => RouteGuardReturn,
  after?: (to: RouteLocationNormalized, from: RouteLocationNormalized) => void,
}