Zazama / node-id3

import { FrameBuilder } from "../FrameBuilder"

import { FrameReader } from "../FrameReader"

import { UniqueFileIdentifier } from "../types/TagFrames"

export const UFID = {

    create: (ufid: UniqueFileIdentifier): Buffer => {

        return new FrameBuilder("UFID")

            .appendTerminatedText(ufid.ownerIdentifier)

            .appendBuffer(

                ufid.identifier instanceof Buffer ?

                ufid.identifier : Buffer.from(ufid.identifier, "utf8")

            )

            .getBufferWithPartialHeader()

    },

    read: (buffer: Buffer): UniqueFileIdentifier => {

        const reader = new FrameReader(buffer)

        return {

            ownerIdentifier: reader.consumeTerminatedText(),

            identifier: reader.consumePossiblyEmptyBuffer()

        }

    }

}