oidc-provider/lib/helpers/samesite_handler.js

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

export function 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;
}

export function 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);
  }
}