Is it possible to define a constant that utilizes the $locale service? Since constants are objects, injecting them as parameters like in controllers is not an option. How can this be achieved?
angular.module('app').constant('SOME_CONSTANT', {
'LOCALE': $locale.id.slice(0, 2)
})
There are two main reasons why this scenario is not feasible.
Constants cannot possess dependencies according to the information provided in the table at the bottom of https://docs.angularjs.org/guide/providers
While constants and providers can be accessed in .config functions during the configuration phase, services like $locale are only accessible later on, usually in the .run function or phase.
Another approach would be to create a factory that resembles a service, allowing for dependencies and the ability to generate an object or primitive value:
angular.module('app')
.factory('LOCALE_ID', function($locale) {
return {'LOCALE': $locale.id.slice(0, 2)}
})
To retrieve $locale manually, you can use the $injector. Here is an example illustrating this process:
app.constant('SOME_CONSTANT', {
'LOCALE': angular.injector(['ng']).get('$locale').id.slice(0, 2)
});
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