feat: add cookie consent banner #49
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- Add CookieBanner component with website styling - Add cookieUtils for consent management and analytics - Add AnalyticsInitializer for default gtag consent state - Update layout.tsx to integrate CookieBanner
- Add 'secondary' variant to Button component for gray styling - Replace hard-coded button elements in CookieBanner with Button component - Move cookieUtils from components/ to utils/ folder
- Change AnalyticsInitializer from Client to Server Component - Use next/script with beforeInteractive strategy - Ensures consent is denied before any GA requests are sent - Remove duplicate cookieUtils.ts from components folder
- Update CookieBanner component to manage user consent for cookies. - Introduce constants for cookie keys in configurations. - Create ga-destroyer.js to block Google Analytics until consent is given. - Enhance cookie utility functions for managing consent state.
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This PR implements cookie consent banner with third-party cookies tracking.
Changes
Cookie Consent Banner (
components/CookieBanner.tsx)__sciwork_show_cookie_banner=truecookie existsAnalytics Blocker (
public/ga-destroyer.js)Cookie Utilities (
utils/cookies.ts)needShowCookieBanner()- checks if banner should displaysetCookieConsent()- stores user choicehasCookieConsent()- checks if user already decidedUI Updates
Critical Setup Required Before Published to main Branch
ga-destroyer.jsMUST be injected via Netlify post-processing BEFORE GA scripts__sciwork_show_cookie_banner=trueand monitors DOM changes. If it loads after GA, tracking will start before we can block it.How It Works
ga-destroyer.jsloads → sets__sciwork_show_cookie_banner=trueneedShowCookieBanner() && !hasCookieConsent()__sciwork_is_cookie_consentedTest Plan
Specially thanks for the hard work of @b95702041 at #11