oidc-provider/lib/helpers/base64url.js

OAuth 2.0 Authorization Server implementation for Node.js with OpenID Connect

export function encode(input, encoding = 'utf8') {
  return Buffer.from(input, encoding).toString('base64url');
}

export function encodeBuffer(buf) {
  return Buffer.prototype.base64urlSlice.call(buf);
}

export function decode(input) {
  return Buffer.from(input, 'base64').toString('utf8');
}