@authing/jose
Version:
Webpack v4 compatible version of panva/jose v3.x
32 lines (31 loc) • 1.09 kB
JavaScript
import { encoder, decoder } from '../lib/buffer_utils.js';
import globalThis from './global.js';
export const encode = (input) => {
let unencoded = input;
if (typeof unencoded === 'string') {
unencoded = encoder.encode(unencoded);
}
const CHUNK_SIZE = 0x8000;
const arr = [];
for (let i = 0; i < unencoded.length; i += CHUNK_SIZE) {
arr.push(String.fromCharCode.apply(null, unencoded.subarray(i, i + CHUNK_SIZE)));
}
const base64string = globalThis.btoa(arr.join(''));
return base64string.replace(/=/g, '').replace(/\+/g, '-').replace(/\//g, '_');
};
export const decode = (input) => {
let encoded = input;
if (encoded instanceof Uint8Array) {
encoded = decoder.decode(encoded);
}
encoded = encoded.replace(/-/g, '+').replace(/_/g, '/').replace(/\s/g, '');
try {
return new Uint8Array(globalThis
.atob(encoded)
.split('')
.map((c) => c.charCodeAt(0)));
}
catch (_a) {
throw new TypeError('The input to be decoded is not correctly encoded.');
}
};