If I declare 1 constant like this:
app.constant('appHelper', { first: 'Firstname', last: 'Lastname' }); and then try to use it in a second constant like this:
app.constant('appHelper2', { fullName: appHelper.first + '' + appHelper.last }); doesn't work. Error: appHelper is undefined.
Any ideas how can I do that ?
Sure:
var appHelper = { first: 'Firstname', last: 'Lastname' } app.constant('appHelper', appHelper); app.constant('appHelper2', { fullName: appHelper.first + '' + appHelper.last }); Reference and Credits:
is there a way in Angularjs to define constants with other constants?
http://michalostruszka.pl/blog/2012/12/23/angular-better-constant-values/
Based on this, the following may be suitable for you.
var myApp = angular.module("exampleApp",[]); myApp.constant('HELPER', (function() { // Define your variable var appHelper = { first: 'Firstname', last: 'Lastname' }; // Use the variable in your constants return { appHelper:appHelper, fullName: appHelper.first + '' + appHelper.last } })()); myApp.controller("ExampleCtrl", function(HELPER){ $scope.firstname = HELPER.appHelper.firstname; $scope.fullName = HELPER.fullName; }); 
