Zest logo Zest

Version 0.1.0

Initial release of Zest cookie consent toolkit

The first public release of Zest - a lightweight, zero-dependency cookie consent toolkit.

Features

Core Functionality

  • Intelligent Script Blocking - Automatically detect and block tracking scripts
  • Cookie Interception - Intercept document.cookie operations
  • Storage Interception - Proxy localStorage and sessionStorage
  • Consent Management - Track user consent across four categories

Blocking Modes

  • manual - Only block explicitly tagged scripts
  • safe - Block known major trackers (Google Analytics, Facebook, GTM)
  • strict - Extended tracker blocking (Hotjar, Mixpanel, Segment, etc.)
  • doomsday - Block all third-party scripts

Privacy Controls

  • Respect Do Not Track (DNT) browser signal
  • Respect Global Privacy Control (GPC)
  • Configurable DNT behavior (reject, preselect, ignore)

UI Components

  • Consent banner with customizable position
  • Settings modal with per-category toggles
  • Floating widget for reopening settings
  • Light/Dark/Auto theme support
  • Accent color customization

Internationalization

  • 12 built-in languages (EN, DE, ES, FR, IT, PT, NL, PL, UK, RU, JA, ZH)
  • Auto-detection from HTML lang attribute
  • Custom label overrides

Developer Experience

  • Simple configuration via window.ZestConfig or data attributes
  • Comprehensive event system
  • Callback support for consent lifecycle
  • Programmatic API for full control

Installation

npm install @freshjuice/zest

Or via CDN:

<script src="https://unpkg.com/@freshjuice/zest"></script>

Bundle Size

  • Full bundle (all languages): ~14KB gzipped
  • Single language: ~9KB gzipped