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I want to use several constants directly in html (and few times in controllers).
For example, this is main app module:
angular.module('website', []) .constant('ROUTES', (function () { return { SIGN_IN: '/sign/in' } })()) .config([..., 'ROUTES', function(..., ROUTES { $routeProvider.when(ROUTES.SIGN_IN, {templateUrl: 'pages/sign_in.html', controller: 'SignInController'}); }]); So this is clear, how to use constants from controllers.
But how can I do something like this:
<html ng-app="website"> <body> <a href="{{ROUTES.SIGN_IN}}">Sign in</a> </body> </html> The point is to keep all routes in one place. So, can i do this, or may be i choosed wrong way?
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We can inject Constant everywhere in controller or service like any other dependency (e.g.$http). AngularJS used Singleton structure for creating Constant dependency in our Angular application. So, using the Constant you can create your Config. js file and can be inject anywhere in your application.
How AngularJS works with HTML. The AngularJS framework works by first reading the HTML page (which has additional attributes). Angular then interprets those attributes as directives to bind input or output parts of the page to a model represented by standard JS variables.
IMHO the better way to do this is use the $rootScope In html every scope inherits from the $rootScope, so if a variable isn't present in the current scope angular use the one declared in $rootScope.
A good way is to initialize this in the run "phase"
angular.module('myApp') .run(function ($rootScope) { $rootScope.ROUTES = ROUTES });
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