@astro-utils/forms/dist/jwt-session.js

Server component for Astro (call server functions from client side with validation and state management)

import { FORM_OPTIONS } from './settings.js';
import jwt from 'jsonwebtoken';
import cookie from 'cookie';
import { deepStrictEqual } from 'assert';
export class JWTSession {
    constructor(cookies) {
        this.cookies = cookies;
        this.lastData = {};
        this.sessionData = {};
        this.loadData();
    }
    loadData() {
        const cookieContent = this.cookies.get(FORM_OPTIONS.session.cookieName)?.value;
        if (!cookieContent)
            return;
        try {
            this.sessionData = jwt.verify(cookieContent, FORM_OPTIONS.secret).session || {};
            this.lastData = structuredClone(this.sessionData);
        }
        catch { }
    }
    save() {
        try {
            deepStrictEqual(this.sessionData, this.lastData);
        }
        catch {
            const token = jwt.sign({ session: this.sessionData }, FORM_OPTIONS.secret, {
                expiresIn: FORM_OPTIONS.session.cookieOptions.maxAge
            });
            this.stringifyCookie = cookie.serialize(FORM_OPTIONS.session.cookieName, token, FORM_OPTIONS.session.cookieOptions);
        }
    }
    setCookieHeader(headers) {
        this.save();
        if (this.stringifyCookie) {
            headers.set('Set-Cookie', this.stringifyCookie);
        }
    }
}