Zazama / node-id3

import { FrameBuilder } from "../FrameBuilder"

import { FrameReader } from "../FrameReader"

import type { Data } from "./type"

export const TXXX = {

    create: (data: Data) => {

        if(!(data instanceof Array)) {

            data = [data]

        }

        return Buffer.concat(data.map((udt: Data) => new FrameBuilder("TXXX")

            .appendNumber(0x01, 1)

            .appendNullTerminatedValue(udt.description, 0x01)

            .appendValue(udt.value, null, 0x01)

            .getBuffer()))

    },

    read: (buffer: Buffer) => {

        const reader = new FrameReader(buffer, 0)

        return {

            description: reader.consumeNullTerminatedValue('string'),

            value: reader.consumeStaticValue('string')

        }

    }

}