const MESSAGE_PAGE = function (msg) { return `

${msg}

`; }; function handleRequest(request, response) { response.setHeader("Cache-Control", "no-store"); response.setHeader("Content-Type", "text/html"); if (request.queryString.includes("setcookies")) { response.setHeader( "Set-Cookie", "auth_secure=foo; SameSite=None; HttpOnly; Secure", true ); response.setHeader("Set-Cookie", "auth=foo; HttpOnly;", true); response.write(MESSAGE_PAGE(request.queryString)); return; } const cookies = request.hasHeader("Cookie") ? request.getHeader("Cookie") : ""; response.write(MESSAGE_PAGE(cookies)); }