music-bot/@types/Downloader.d.ts

type BaseResult = {
    existing?: boolean,
    artist: string,
    song: string,
    album: string,
    ext: string,
}

type ExistingResult = {
    existing: true
} & BaseResult

type DownloadedResult = {
    filePath: string
} & BaseResult

export type DownloaderResult = ExistingResult | DownloadedResult;