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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, '_');
}
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