Function createDir

packages/cli/src/cli-main.ts:568–570

(...dir: string[])

      const exports = [] as any[]

      const createDir = (...dir: string[]) => {
        return ['.', base, ...dir].filter(Boolean).join('/')
      }

      const createEntry = (dir: string) => ({
        types: ctx.file.extDts(createDir(dir, 'index')),