Zazama / node-id3

import { Options } from "../types/Options"

import { isFunction, isString } from "../util"

import { read } from "./read"

import { updateTags } from '../updateTags'

import { write, WriteCallback } from "./write"

/**

 * Updates ID3-Tags synchronously in the specified file.

 *

 * @public

 */

 export function update(

    tags: WriteTags,

    filepath: string,

    options?: Options

): true | Error

/**

 * Updates ID3-Tags asynchronously in the specified file.

 *

 * @public

 */

 export function update(

    tags: WriteTags,

    filebuffer: string | Buffer,

    callback: WriteCallback

): void

/**

 * Updates ID3-Tags asynchronously from the given buffer or specified file.

 *

 * @public

 */

 export function update(

    tags: WriteTags,

    filebuffer: string | Buffer,

    options: Options,

    callback: WriteCallback

): void

export function update(

    tags: WriteTags,

    filebuffer: string | Buffer,

    optionsOrCallback?: Options | WriteCallback,

    callback?: WriteCallback

): Buffer | true | Error | void {

    const options: Options =

        (isFunction(optionsOrCallback) ? {} : optionsOrCallback) ?? {}

    callback =

        isFunction(optionsOrCallback) ? optionsOrCallback : callback

    const currentTags = read(filebuffer, options)

    const updatedTags = updateTags(tags, currentTags)

    if (isFunction(callback)) {

        return write(updatedTags, filebuffer, callback)

    }

    if (isString(filebuffer)) {

        return write(updatedTags, filebuffer)

    }

    return write(updatedTags, filebuffer)

}