'use strict';

var Enc = module.exports;

Enc.base64ToBuf = function (str) {
  // node handles both base64 and urlBase64 equally
  return Buffer.from(str, 'base64');
};

Enc.bufToBase64 = function (u8) {
  // Ensure a node buffer, even if TypedArray
  return Buffer.from(u8).toString('base64');
};

Enc.bufToBin = function (u8) {
  // Ensure a node buffer, even if TypedArray
  return Buffer.from(u8).toString('binary');
};

Enc.bufToHex = function (u8) {
  // Ensure a node buffer, even if TypedArray
  return Buffer.from(u8).toString('hex');
};

Enc.bufToUrlBase64 = function (u8) {
  return Enc.bufToBase64(u8)
    .replace(/\+/g, '-').replace(/\//g, '_').replace(/=/g, '');
};