@waku/rln/bundle/node_modules/uint8arrays/dist/src/util/bases.js

RLN (Rate Limiting Nullifier) implementation for Waku

import { bases } from '../../../../multiformats/dist/src/basics.js';
import { allocUnsafe } from '../alloc.js';

function createCodec(name, prefix, encode, decode) {
    return {
        name,
        prefix,
        encoder: {
            name,
            prefix,
            encode
        },
        decoder: {
            decode
        }
    };
}
const string = createCodec('utf8', 'u', (buf) => {
    const decoder = new TextDecoder('utf8');
    return 'u' + decoder.decode(buf);
}, (str) => {
    const encoder = new TextEncoder();
    return encoder.encode(str.substring(1));
});
const ascii = createCodec('ascii', 'a', (buf) => {
    let string = 'a';
    for (let i = 0; i < buf.length; i++) {
        string += String.fromCharCode(buf[i]);
    }
    return string;
}, (str) => {
    str = str.substring(1);
    const buf = allocUnsafe(str.length);
    for (let i = 0; i < str.length; i++) {
        buf[i] = str.charCodeAt(i);
    }
    return buf;
});
const BASES = {
    utf8: string,
    'utf-8': string,
    hex: bases.base16,
    latin1: ascii,
    ascii,
    binary: ascii,
    ...bases
};

export { BASES as default };