/**
* Encodes a string to Base64
* @param {string} [str=''] - The input string
* @returns {string} - The Base64 encoded string
* @example
* const inputString = 'hello world';
* const result = toBase64(inputString); // 'aGVsbG8gd29ybGQ='
*/
export function toBase64 (str = '') {
return Buffer.from(str, 'utf-8').toString('base64')
}