@whatwg-node/server-plugin-cookies/esm/useCookies.js

Cookies Plugin

import { CookieStore, getCookieString } from '@whatwg-node/cookie-store';
export function useCookies() {
    const cookieStringsByRequest = new WeakMap();
    return {
        onRequest({ request }) {
            const cookieStrings = [];
            request.cookieStore = new CookieStore(request.headers.get('cookie') ?? '');
            request.cookieStore.onchange = function ({ changed, deleted }) {
                changed.forEach(cookie => {
                    cookieStrings.push(getCookieString(cookie));
                });
                deleted.forEach(cookie => {
                    cookieStrings.push(getCookieString({ ...cookie, value: undefined }));
                });
            };
            cookieStringsByRequest.set(request, cookieStrings);
        },
        onResponse({ request, response }) {
            const cookieStrings = cookieStringsByRequest.get(request);
            cookieStrings?.forEach(cookieString => {
                response.headers.append('Set-Cookie', cookieString);
            });
        },
    };
}