ff-admin/src/globalProperties.config.ts

import type { AxiosInstance } from "axios";
import type { RouteLocationNormalizedLoaded, Router } from "vue-router";

declare module "@vue/runtime-core" {
  interface ComponentCustomProperties {
    $dev: boolean;
    $http: AxiosInstance;
    $router: Router;
    $route: RouteLocationNormalizedLoaded;
  }
}

export {}; // Important! See note.