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// @flow
/**
* Encode a string to base64 (using the Node built-in Buffer)
*
* Stolen from http://stackoverflow.com/a/38237610/2115623
*/
export const encode = (string: string) =>
Buffer.from(string).toString('base64');
type Base64String = string;
/**
* Decode a base64 string (using the Node built-in Buffer)
*
* Stolen from http://stackoverflow.com/a/38237610/2115623
*/
export const decode = (string?: Base64String) =>
(string ? Buffer.from(string, 'base64').toString('ascii') : '');
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