@strongnguyen/oidc-provider/lib/helpers/samesite_handler.js

OAuth 2.0 Authorization Server implementation for Node.js with OpenID Connect

module.exports = {
  get(cookies, name, opts) {
    let value = cookies.get(name, opts);

    if (value === undefined && opts && /none/i.test(opts.sameSite)) {
      value = cookies.get(`${name}.legacy`, opts);
    }

    return value;
  },
  set(cookies, name, value, opts) {
    cookies.set(name, value, opts);
    if (opts && /none/i.test(opts.sameSite)) {
      const { sameSite, ...noSS } = opts;
      cookies.set(`${name}.legacy`, value, noSS);
    }
  },
};