Leverage the power of JavaScript variables within an AngularJS constant

Can I use a variable from a regular JavaScript file in an AngularJS constant? Here's what I've attempted so far.

JavaScript file:

"use strict";

var CONST_MAP = {
  'key': 'value'
};

AngularJS file:

'use strict';

angular.module('foo').constant('bar', {
    'test': CONST_MAP
});

Answer №1

One way to achieve this is by utilizing angular providers.

var MAP_CONSTANT = {
  'key': 'value'
};
var app = angular.module('myApp', []);
app.constant('foo', {
  'example': MAP_CONSTANT
})
app.controller('myCtrl', function ($scope, foo) {
  console.log(foo)
  $scope.data = foo.example.key;
});
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.6.9/angular.min.js"></script>
<div ng-app="myApp" ng-controller="myCtrl">
  {{ data }}
</div>

Answer №2

In my opinion, the solution can be implemented as shown below:

angular.module('foo').constant('bar', (function(){
    var CONST_MAP = {
      'key': 'value'
    };
    return {
       test: CONST_MAP
    }
}));

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