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About Features

Please read the Feature Flag Guide for a detailed explanation.

Feature Flags

  • propertyBraceExpansion

    Adds support for brace-expansion in dependent keys, observer, and watch properties. (E.g. Em.computed.filter('list.@each.{propA,propB}', filterFn) which will observe both propA and propB).

    Added in #3538.

  • string-humanize

    Replaces underscores with spaces, and capitializes first character of string. Also strips _id suffixes. (E.g. 'first_name'.humanize() // 'First name')

    Added in #3224

  • string-parameterize

    Transforms a string so that it may be used as part of a 'pretty' / SEO friendly URL. (E.g. '100 ways Ember.js is better than Angular.'.parameterize(); // '100-ways-emberjs-is-better-than-angular')

    Added in #3953.

  • ember-routing-named-substates

    Add named substates; e.g. when resolving a loading or error substate to enter, Ember will take into account the name of the immediate child route that the error/loading action originated from, e.g. 'foo' if FooRoute, and try and enter foo_error or foo_loading if it exists. This also adds the ability for a top-level application_loading or application_error state to be entered for loading/error events emitted from ApplicationRoute.

    Added in #3655.

  • ember-handlebars-caps-lookup Forces Handlebars values starting with capital letters, like {{CONSTANT}}, to always be looked up on Ember.lookup. Previously, these values would be looked up on the controller in certain cases.

    Added in #3218

  • ember-testing-simple-setup Removes the need for most of the ceremony of setting up an application for testing. The following examples are equivalent:

    Ember 1.0.0 testing setup:

    App = Ember.Application.create();
App.setupForTesting();
App.injectTestHelpers();

    New simple setup:

    App = Ember.Application.create({testing: true});

    Added in #3785.

  • ember-testing-routing-helpers

    Adds currentRouteName, currentPath, and currentURL testing helpers.

    Added in #3711.

  • ember-testing-triggerEvent-helper

    Adds triggerEvent testing helper to allow triggering of arbitrary events on an element.

    Added in #3792. Updated in #4177.

  • with-controller

    Enables {{#with}} to take a controller= option for wrapping the context.

    Added in #3722

  • computed-read-only

    Enables Ember.computed.readOnly which is the shortHand for Ember.computed.oneWay('foo').readOnly().

    Added in #3879

  • composable-computed-properties

    This feature allows you to combine (compose) different computed properties together. So it gives you a really nice "functional programming" like syntax to deal with complex expressions.

    Added in #3696.

  • query-params-new

    Add query params support to the ember router. This is a rewrite of a previous attempt at an API for query params. You can define query param properties on route-driven controllers with the queryParams property, and any changes to those properties will cause the URL to update, and in the other direction, any URL changes to the query params will cause those controller properties to update.

    Added in #4008.

  • ember-metal-run-bind

    Enables Ember.run.bind which is ember run-loop aware variation of jQuery.proxy. Useful for integrating with 3rd party callbacks.

    Added in 161113.

  • ember-metal-is-blank

    Adds Ember.isBlank method which returns true for an empty value or a whitespace string.

    Added in #4049.

  • ember-eager-url-update

    Invoking (clicking) link-to tags will immediately update the URL instead of waiting for the transition to run to completion, unless the transition was aborted/redirected within the same run loop.

    Added in #4122.
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