| import { encoder, decoder } from '../lib/buffer_utils.js'; | |
| import { encodeBase64, decodeBase64 } from '../lib/base64.js'; | |
| export function decode(input) { | |
| if (Uint8Array.fromBase64) { | |
| return Uint8Array.fromBase64(typeof input === 'string' ? input : decoder.decode(input), { | |
| alphabet: 'base64url', | |
| }); | |
| } | |
| let encoded = input; | |
| if (encoded instanceof Uint8Array) { | |
| encoded = decoder.decode(encoded); | |
| } | |
| encoded = encoded.replace(/-/g, '+').replace(/_/g, '/').replace(/\s/g, ''); | |
| try { | |
| return decodeBase64(encoded); | |
| } | |
| catch { | |
| throw new TypeError('The input to be decoded is not correctly encoded.'); | |
| } | |
| } | |
| export function encode(input) { | |
| let unencoded = input; | |
| if (typeof unencoded === 'string') { | |
| unencoded = encoder.encode(unencoded); | |
| } | |
| if (Uint8Array.prototype.toBase64) { | |
| return unencoded.toBase64({ alphabet: 'base64url', omitPadding: true }); | |
| } | |
| return encodeBase64(unencoded).replace(/=/g, '').replace(/\+/g, '-').replace(/\//g, '_'); | |
| } | |