TS 实战场景

export interface App<HostElement = any> {
  version: string
  use(plugin: Plugin, ...options: any[]): this
  mount(
    rootContainer: HostElement | string,
    isHydrate?: boolean
  ): ComponentPublicInstance
  unmount(): void
  provide<T>(key: InjectionKey<T> | string, value: T): this

  // internal, but we need to expose these for the server-renderer and devtools
  _uid: number

  filter?(name: string): Function | undefined
  filter?(name: string, filter: Function): this

  _createRoot?(options: ComponentOptions): ComponentPublicInstance
}

export type Plugin =
  | (PluginInstallFunction & { install?: PluginInstallFunction })
  | {
      install: PluginInstallFunction
    }

export type ResponseType =
  | 'arraybuffer'
  | 'blob'
  | 'document'
  | 'json'
  | 'text'
  | 'stream'