3 var base64url = module.exports;
5 base64url.unescape = function unescape (str) {
6 return (str + '==='.slice((str.length + 3) % 4))
11 base64url.escape = function escape (str) {
12 return str.replace(/\+/g, '-')
17 base64url.encode = function encode (str) {
18 return this.escape(new Buffer(str).toString('base64'));
21 base64url.decode = function decode (str) {
22 return new Buffer(this.unescape(str), 'base64').toString();