@lacspace/captcha
A keyless, privacy-friendly proof-of-work CAPTCHA with zero dependencies — no Google, no Cloudflare, no account, no tracking. Stateless HMAC-signed challenges (ALTCHA-style) verified with one server secret. Isomorphic core + a drop-in browser widget.
npm i @lacspace/captchaKeywords
More in Web Engagement Kit
Send browser push notifications with zero dependencies and no vendor — pure Web Crypto (VAPID + RFC 8291 aes128gcm). No Firebase/FCM. Ships an `npx @lacspace/web-push` VAPID keygen CLI. Isomorphic: Node, Deno, Bun, Cloudflare Workers and Vercel Edge.
@lacspace/pwaTurn any site into an installable, offline-capable, push-ready PWA — generate a production service worker (offline caching + web-push handlers) and a web app manifest, plus browser helpers to register it and drive the install prompt. Framework-agnostic. Zero-dependency, isomorphic.
@lacspace/notifyBeautiful in-app toast notifications with zero dependencies — a framework-agnostic store, a drop-in vanilla DOM renderer, and a React binding (<Toaster/> + useToast). Promise toasts, actions, positions and accessible live regions. React optional. Zero-dependency, isomorphic.
@lacspace/sseReal-time updates over Server-Sent Events with zero dependencies — a channel/room hub that fans messages to many clients, a Web-standard stream (Next.js/Deno/Bun/edge) AND a Node/Express handler, plus a typed browser client and a React useSSE hook. No WebSocket server, no vendor.
@lacspace/consentGDPR-friendly cookie consent with zero dependencies — a framework-agnostic store (analytics/marketing/preferences), a drop-in vanilla banner, and a React binding (<ConsentBanner/> + useConsent). Cookie-persisted so your server can gate too, plus whenConsent() script-gating.