next-session/lib/utils.js

Simple promise-based session for Next.js

import c from "cookie";
export function hash(sess) {
  return JSON.stringify(sess, (key, val) => key === "cookie" ? undefined : val);
}
export function commitHeader(res, name, {
  cookie,
  id
}, encodeFn) {
  if (res.headersSent) return;
  const cookieStr = c.serialize(name, encodeFn ? encodeFn(id) : id, {
    path: cookie.path,
    httpOnly: cookie.httpOnly,
    expires: cookie.expires,
    domain: cookie.domain,
    sameSite: cookie.sameSite,
    secure: cookie.secure
  });
  const prevSetCookie = res.getHeader("set-cookie");

  if (prevSetCookie) {
    if (Array.isArray(prevSetCookie)) {
      res.setHeader("set-cookie", [...prevSetCookie, cookieStr]);
    } else {
      res.setHeader("set-cookie", [prevSetCookie, cookieStr]);
    }
  } else {
    res.setHeader("set-cookie", cookieStr);
  }
}