export function unicodeToBase64(text) { const utf8Bytes = new TextEncoder().encode(text); const base64String = btoa(String.fromCharCode(...utf8Bytes)); return base64String; } export function base64ToUnicode(base64String) { const utf8Bytes = new Uint8Array( atob(base64String) .split('') .map((char) => char.charCodeAt(0)), ); const decodedText = new TextDecoder().decode(utf8Bytes); return decodedText; } export function code2hash(code) { return encodeURIComponent(unicodeToBase64(code)); //return '#' + encodeURIComponent(btoa(code)); } export function hash2code(hash) { return base64ToUnicode(decodeURIComponent(hash)); //return atob(decodeURIComponent(codeParam || '')); }