const Base64Encoder = require('./base64Encoder');
const text = 'Hello, World!';
// Standard encoding
const encoded = Base64Encoder.encode(text);
console.log('Encoded:', encoded);
// Decoding
const decoded = Base64Encoder.decode(encoded);
console.log('Decoded:', decoded);
// URL-safe encoding
const urlSafe = Base64Encoder.encodeUrlSafe(text);
console.log('URL-safe:', urlSafe);
// Validation
console.log('Valid:', Base64Encoder.isValid('SGVsbG8sIFdvcmxkIQ=='));