export function flatten(items) {
  return items.reduce((acc, item) => {
    if (Array.isArray(item)) {
      acc.push(...flatten(item))
    }
    else if (item) {
      acc.push(item)
    }

    return acc
  }, [])
}

export function returnError(cb: () => any) {
  try {
    return cb()
  }
  catch (e) {
    return e
  }
}