jose/dist/deno/lib/validate_algorithms.ts

const validateAlgorithms = (option: string, algorithms?: string[]) => {
  if (
    algorithms !== undefined &&
    (!Array.isArray(algorithms) || algorithms.some((s) => typeof s !== 'string'))
  ) {
    throw new TypeError(`"${option}" option must be an array of strings`)
  }

  if (!algorithms) {
    return undefined
  }

  return new Set(algorithms)
}

export default validateAlgorithms