import Vue from 'vue' import { AxiosInstance } from 'axios' import { NProgress } from 'nprogress' import { OptionService, TokenService, UserService, TermService, PostService, CommentService } from './services' interface Services { option: typeof OptionService token: typeof TokenService user: typeof UserService term: typeof TermService post: typeof PostService comment: typeof CommentService } declare module 'vue/types/vue' { interface Vue { $axios: AxiosInstance $nprogress: NProgress $services: Services $title: string } }