sanrai

// Base64 encoding function
function base64Encode(uint8Array) {
    let binary = '';
    const len = uint8Array.length;
    for (let i = 0; i < len; i++) {
        binary += String.fromCharCode(uint8Array[i]);
    }
    return btoa(binary);
}

sanrai

// URL-safe character set for Base85 encoding (now with 85 characters)
const URL_SAFE_CHARS = [
    // Digits (10)
    '0', '1', '2', '3', '4', '5', '6', '7', '8', '9',

    // Uppercase letters (26)
    'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M',
    'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z',

    // Lowercase letters (26, including 'z')

sanrai

// Base85 encoding function using BigInt
function base85Encode(bytes) {
    const ASCII85_CHARS = Array.from({ length: 85 }, (_, i) => String.fromCharCode(i + 33));

    let output = '';
    let i = 0;
    while (i < bytes.length) {
        let chunkSize = Math.min(4, bytes.length - i);
        let value = BigInt(0);
        for (let j = 0; j < chunkSize; j++) {

sanrai

// Base85 encoding function using BigInt
function base85Encode(bytes) {
    const ASCII85_CHARS = Array.from({ length: 85 }, (_, i) => String.fromCharCode(i + 33));

    let output = '';
    let i = 0;
    while (i < bytes.length) {
        let chunkSize = Math.min(4, bytes.length - i);
        let value = BigInt(0);
        for (let j = 0; j < chunkSize; j++) {

sanrai

function base85Encode(input) {
    const ASCII85_CHARS = Array.from({ length: 85 }, (_, i) => String.fromCharCode(i + 33));
    const encoder = new TextEncoder();
    const bytes = encoder.encode(input);

    let output = '';
    let i = 0;
    while (i < bytes.length) {
        let chunkSize = Math.min(4, bytes.length - i);
        let value = 0;