@gleif-it/did-webs-ts/dist/esm/utils/key/encodeKey.js

did-webs typescript library

import * as R from 'remeda';
import { isValidEd25519Cesr } from '../validators/isValidEd25519Cesr.js';
import { isValidSecp256k1Cesr } from '../validators/isValidSecp256k1Cesr.js';
import { base64UrlToBytes } from '../conversions/base64UrlToBytes.js';
import { bytesToBase64Url } from '../conversions/bytesToBase64Url.js';
const ps = (N) => (3 - (N % 3)) % 3;
const padBytes = (bytes) => {
    const padding = ps(bytes.length);
    const paddedBytes = new Uint8Array(bytes.length + padding);
    paddedBytes.set(bytes, padding); // padding is the offset, this will leave the initialized zeros at the beginning
    return paddedBytes;
};
const encodeWith = (code) => (rawB64) => {
    if (code[0] === '1') {
        return `${code}${rawB64}`;
    }
    else {
        return `${code}${rawB64.slice(code.length)}`;
    }
};
export const encodeKey = (code, decodedKey) => {
    const key = R.pipe(decodedKey, base64UrlToBytes, padBytes, bytesToBase64Url, encodeWith(code));
    if (isValidEd25519Cesr(key) || isValidSecp256k1Cesr(key))
        return key;
    throw new Error("Can't encode key");
};