ngx-circuit

ngx-circuit is a comprehensive feature toggle management library for Angular, designed to streamline the control of feature releases and experiments. It provides developers with a robust, type-safe toolkit to implement various rollout strategies, enabling safer deployments and data-driven development decisions.

Key Features

• Flexible Configuration — Load flags from static objects or remote HTTP endpoints.
• Advanced Flag Types — Supports Boolean, Time-based, Percentage, Group, Environment, Device, and Composite flags.
• Type-Safe Architecture — Built with TypeScript for excellent developer experience and reliability.
• Structural Directive — Conditionally render templates using the *cktCircuit directive.
• Route Guard — Protect routes based on feature flag states with circuitGuard.
• Reactive Service — CircuitService uses Angular Signals for reactive state management.
• Context Awareness — Inject user, session, or environment context for advanced flag evaluation.
• Analytics Integration — Track flag evaluations to support A/B testing and analytics.
• URL Overrides — Enable temporary flag overrides via URL query parameters for testing.

Philosophy

ngx-circuit is built on the principle that feature management should be both powerful and developer-friendly, providing a type-safe, reactive foundation that integrates seamlessly into the Angular ecosystem.