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Flags SDK is an open source library designed for integrating feature flags into Next.js and SvelteKit applications. It allows developers to manage and implement feature flags, providing flexibility with integrations for any flag provider. The SDK supports AB testing, controlled rollouts, and experimentation, helping developers ship features faster and more efficiently. It features a simple, declarative API to define and use flags, making integration effortless. With Flags SDK, developers can release new features strategically, test them in production without breaking apps, and experiment with confidence. The toolkit ensures the website remains fast while following best practices for feature flag usage.
Features
- Works with any flag provider, custom setups or no flag provider at all
- Compatible with App Router, Pages Router, and Edge Middleware
- Built for feature flags and experimentation
- Documentation available
- Feature Flags can also be called in Edge Middleware and API Routes
- The Flags SDK has adapters for popular feature flag providers including LaunchDarkly, Optimizely, and Statsig
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MIT LicenseFollow Flags SDK
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