I get the following error when adding a directive to my site:

Error: [ng:areq] Argument 'MainController' is not a function, got undefined

The error only occurs when I include the welcome-directive (welcome.js) in my site. If the import is removed the controller works.

Body of my index.html

<body ng-app="my-app"> <div ng-controller="MainController"> <welcome></welcome> </div> <!-- Angular --> <script src="bower_components/angular/angular.js"></script> <script src="js/app.js"></script> <script src="js/controllers/mainController.js"></script> <!-- Without this line the controller works --> <script src="js/directives/welcome.js"></script> </body>

app.js

(function() { var app = angular.module('my-app', []); })();

mainController.js

angular.module('my-app', []) .controller('MainController', ['$scope', function($scope) { console.log('Controller working'); }]);

welcome.js

angular.module('my-app', []) .directive("welcome", function() { return { restrict: "E", template: "<div>Test test.</div>" }; });

You are redefining the module. Define module only once.

when used as angular.module('my-app', []) it defined the module this should be used only once. When you want retrieve it. then use angular.module('my-app')

Use

angular.module('my-app') //Notice remove [] .directive("welcome", function() { });

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