import { Buffer } from 'buffer'; export const toBase64 = (input: string): string => { if (typeof btoa !== 'undefined') { return btoa(input); } else { return Buffer.from(input, 'binary').toString('base64'); } }; export const fromBase64 = (input: string): string => { if (typeof atob !== 'undefined') { return atob(input); } else { return Buffer.from(input, 'base64').toString('binary'); } };