import { CompactSign } from '../jws/compact/sign.js'; import { JWTInvalid } from '../util/errors.js'; import { encoder } from '../lib/buffer_utils.js'; import { ProduceJWT } from './produce.js'; export class SignJWT extends ProduceJWT { setProtectedHeader(protectedHeader) { this._protectedHeader = protectedHeader; return this; } async sign(key, options) { const sig = new CompactSign(encoder.encode(JSON.stringify(this._payload))); sig.setProtectedHeader(this._protectedHeader); if (Array.isArray(this._protectedHeader?.crit) && this._protectedHeader.crit.includes('b64') && this._protectedHeader.b64 === false) { throw new JWTInvalid('JWTs MUST NOT use unencoded payload'); } return sig.sign(key, options); } }