@ember/optional-features
Advanced tools
@ember/optional-features is an npm package that allows Ember.js developers to enable or disable optional features in their Ember applications. This package provides a way to manage feature flags for various experimental or legacy features, making it easier to adopt new features or phase out old ones.
Enable/Disable Optional Features
This feature allows you to enable specific optional features in your Ember application. For example, you can enable the 'application-template-wrapper' feature using the command provided.
{"command":"ember feature:enable <feature-name>","example":"ember feature:enable application-template-wrapper"}List Available Features
This feature lists all the optional features available for your Ember application. It helps you see which features are enabled or disabled.
{"command":"ember feature:list"}Disable Optional Features
This feature allows you to disable specific optional features in your Ember application. For example, you can disable the 'application-template-wrapper' feature using the command provided.
{"command":"ember feature:disable <feature-name>","example":"ember feature:disable application-template-wrapper"}ember-feature-controls is another package for managing feature flags in Ember applications. It provides a simple API for defining and checking feature flags. Similar to ember-cli-feature-flags, it offers more flexibility for custom feature management compared to @ember/optional-features, which is specifically designed for managing Ember's built-in optional features.
This addon allows you to easily enable/disable optional features in ember-source. To clarify what we mean by optional, these are features that will be opt-in/opt-out and optional for the foreseeable future, not features that will be enabled by default. It is intended for use with apps only not addons.
ember install @ember/optional-features
Features will only be available in versions of ember-source that included them. To list all available features run:
ember feature:list
To enable a feature, run:
ember feature:enable some-feature
Similarly, if you want to disable a feature, you can run:
ember feature:disable some-feature
This addon exposes a build-time method called isFeatureEnabled, which can be called from an addon's index.js, e.g.:
included() {
let optionalFeatues = this.addons.find(a => a.name === '@ember/optional-features');
if (optionalFeatures.isFeatureEnabled('jquery-integration') {
// ...
}
}
It also exposes a method called isFeatureExplicitlySet, which can be used to check whether or not the user has explictly set the value of the option instead of using the default.
WIP -- there does not yet exist a public API for accessing the state of optional features at runtime. This issue is tracking it.
v2.0.0 (2020-08-27)
FAQs
The default blueprint for ember-cli addons.
The npm package @ember/optional-features receives a total of 25,182 weekly downloads. As such, @ember/optional-features popularity was classified as popular.
We found that @ember/optional-features demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 17 open source maintainers collaborating on the project.
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