Method evaluate

packages/studio/vite.thumbnail.ts:2–2

(
    fn: (arg: TArg) => TResult | Promise<TResult>,
    arg: TArg,
  )

interface ThumbnailPreviewPage {
  evaluate<TArg, TResult>(
    fn: (arg: TArg) => TResult | Promise<TResult>,
    arg: TArg,
  ): Promise<TResult>;