export const callbackify = (
  task: (...taskArgs: any[]) => Promise<any>
): any => {
  return (...args: any[]) => {
    const onlyArgs: any[] = []
    let callback: Function = undefined

    for (const arg of args) {
      if (typeof arg === 'function') {
        callback = arg
        break
      }
      onlyArgs.push(arg)
    }
    if (!callback) {
      throw new Error('Missing callback parameter!')
    }
    task(...onlyArgs)
      .then((data: any) => callback(undefined, data))
      .catch((err: any) => callback(err))
  }
}