@feugene/mu/dist/esm/utils/base64.mjs

Helpful TS utilities without dependencies

import strtr from '../string/strtr.mjs';
const utf8ToB64Node = (str) => {
    return Buffer.from(str).toString('base64');
};
const utf8ToB64Function = (string) => {
    return utf8ToB64Node(string);
};
const b64ToUtf8Node = (string) => {
    return Buffer.from(string, 'base64').toString();
};
const b64ToUtf8Function = (string) => {
    return b64ToUtf8Node(string);
};
/**
 * Encode string from Unicode to base-64
 *
 * @param {string} string
 * @returns {string}
 */
export function utf8ToB64(string) {
    return utf8ToB64Function(unescape(encodeURIComponent(string)));
}
/**
 * Decode from base-64 to Unicode string
 *
 * @param {string} string
 * @returns {string}
 */
export function b64ToUtf8(string) {
    return decodeURIComponent(escape(b64ToUtf8Function(string)));
}
const SYMBOLS_STANDARD = '+/=';
const SYMBOLS_URL_SAFE = '-_~';
/**
 * Decode from safe-base-64 to Unicode string
 *
 * @param {string} string
 * @return {string}
 */
export function b64ToUtf8Safe(string) {
    return strtr(b64ToUtf8Function(string), SYMBOLS_STANDARD, SYMBOLS_URL_SAFE);
}
/**
 * Encode from Unicode string to safe-base-64
 *
 * @param {string} string
 * @return {string}
 */
export function utf8Tob64Safe(string) {
    return strtr(utf8ToB64Function(string), SYMBOLS_STANDARD, SYMBOLS_URL_SAFE);
}
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