@fedify/fedify/esm/runtime/multibase/base.js

An ActivityPub server framework

import { encodeText } from "./util.js";
/**
 * Class to encode/decode in the supported Bases
 */
export class Base {
    name;
    code;
    alphabet;
    codeBuf;
    codec;
    constructor(name, code, factory, alphabet) {
        this.name = name;
        this.code = code;
        this.alphabet = alphabet;
        this.codeBuf = encodeText(this.code);
        this.alphabet = alphabet;
        this.codec = factory(alphabet);
    }
    encode(buf) {
        return this.codec.encode(buf);
    }
    decode(string) {
        for (const char of string) {
            if (this.alphabet && this.alphabet.indexOf(char) < 0) {
                throw new Error(`invalid character '${char}' in '${string}'`);
            }
        }
        return this.codec.decode(string);
    }
}