An Ember CLI addon for managing feature flags in Ember.js applications.
ember-feature-flags is an Ember CLI addon that provides a service and template helpers for implementing feature flags in Ember.js applications. It allows developers to toggle features on and off at runtime without redeploying code, enabling gradual rollouts, A/B testing, and environment-specific configurations.
Ember.js developers building applications that require controlled feature releases, such as those managing gradual rollouts, A/B tests, or environment-specific feature toggles.
Developers choose this addon for its seamless integration with Ember's conventions, offering a declarative API through an injectable service and template helpers, along with built-in test support and environment configuration for maintainable feature management.
Ember CLI addon for feature flags
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Provides an injectable features service and template helpers that align with Ember's conventions, making it easy to adopt in existing Ember apps, as shown in the controller and template examples.
Flags can be dynamically enabled or disabled using methods like enable and disable, with bound reactivity for automatic UI updates without manual refreshes.
Allows pre-configuring flags in config/environment.js for different deployment environments, enabling easy management of features across dev, staging, and production.
Includes enableFeature and disableFeature test helpers for integration and acceptance testing, ensuring reliable testing of feature-dependent code without mocks.
Lacks server-side flag evaluation, which can be a drawback for server-rendered Ember apps or scenarios where flags need to be set before initial page load for SEO.
Flag states are managed in memory and reset on page reload; the README shows no built-in way to persist flags across sessions, requiring custom integration with backends.
The setup method resets all previously configured flags, which can be problematic if flags are set incrementally or from multiple sources, as noted in the README.
Tightly coupled with Ember versions (e.g., requires specific addon versions for older Ember releases), adding maintenance overhead and reducing flexibility for hybrid or migrating projects.