authenzify/src/util/util.js

server to manage authentication authorization of users and more

export const sleep = async (milliseconds) => {
  return new Promise((resolve) => setTimeout(resolve, milliseconds))
}

export const verifyExistence = (ref, fnList) => {
  for (const fn of fnList) {
    if (!ref[fn]) {
      throw new Error(`${fn} Doesn't exists`)
    }

    if (typeof ref[fn] !== 'function') {
      throw new Error(`${fn} is not a function`)
    }
  }
}