/
index.ts
87 lines (74 loc) · 2.76 KB
/
index.ts
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import { assign } from '@ember/polyfills';
import { ENV } from 'ember-environment';
/**
@module ember/canary-features
*/
export const DEFAULT_FEATURES = {
EMBER_LIBRARIES_ISREGISTERED: null,
EMBER_IMPROVED_INSTRUMENTATION: null,
EMBER_GLIMMER_NAMED_ARGUMENTS: true,
EMBER_ROUTING_ROUTER_SERVICE: true,
EMBER_ENGINES_MOUNT_PARAMS: true,
EMBER_MODULE_UNIFICATION: null,
GLIMMER_CUSTOM_COMPONENT_MANAGER: true,
EMBER_TEMPLATE_BLOCK_LET_HELPER: true,
EMBER_METAL_TRACKED_PROPERTIES: null,
EMBER_GLIMMER_ANGLE_BRACKET_INVOCATION: true,
};
/**
The hash of enabled Canary features. Add to this, any canary features
before creating your application.
Alternatively (and recommended), you can also define `EmberENV.FEATURES`
if you need to enable features flagged at runtime.
@class FEATURES
@namespace Ember
@static
@since 1.1.0
@public
*/
export const FEATURES = assign(DEFAULT_FEATURES, ENV.FEATURES);
/**
Determine whether the specified `feature` is enabled. Used by Ember's
build tools to exclude experimental features from beta/stable builds.
You can define the following configuration options:
* `EmberENV.ENABLE_OPTIONAL_FEATURES` - enable any features that have not been explicitly
enabled/disabled.
@method isEnabled
@param {String} feature The feature to check
@return {Boolean}
@for Ember.FEATURES
@since 1.1.0
@public
*/
export function isEnabled(feature: string): boolean {
let featureValue = FEATURES[feature];
if (featureValue === true || featureValue === false) {
return featureValue;
} else if (ENV.ENABLE_OPTIONAL_FEATURES) {
return true;
} else {
return false;
}
}
function featureValue(value: null | boolean) {
if (ENV.ENABLE_OPTIONAL_FEATURES && value === null) {
return true;
}
return value;
}
export const EMBER_LIBRARIES_ISREGISTERED = featureValue(FEATURES.EMBER_LIBRARIES_ISREGISTERED);
export const EMBER_IMPROVED_INSTRUMENTATION = featureValue(FEATURES.EMBER_IMPROVED_INSTRUMENTATION);
export const EMBER_GLIMMER_NAMED_ARGUMENTS = featureValue(FEATURES.EMBER_GLIMMER_NAMED_ARGUMENTS);
export const EMBER_ROUTING_ROUTER_SERVICE = featureValue(FEATURES.EMBER_ROUTING_ROUTER_SERVICE);
export const EMBER_ENGINES_MOUNT_PARAMS = featureValue(FEATURES.EMBER_ENGINES_MOUNT_PARAMS);
export const EMBER_MODULE_UNIFICATION = featureValue(FEATURES.EMBER_MODULE_UNIFICATION);
export const EMBER_METAL_TRACKED_PROPERTIES = featureValue(FEATURES.EMBER_METAL_TRACKED_PROPERTIES);
export const GLIMMER_CUSTOM_COMPONENT_MANAGER = featureValue(
FEATURES.GLIMMER_CUSTOM_COMPONENT_MANAGER
);
export const EMBER_TEMPLATE_BLOCK_LET_HELPER = featureValue(
FEATURES.EMBER_TEMPLATE_BLOCK_LET_HELPER
);
export const EMBER_GLIMMER_ANGLE_BRACKET_INVOCATION = featureValue(
FEATURES.EMBER_GLIMMER_ANGLE_BRACKET_INVOCATION
);