Separating Angular JS controller and Factory into individual files allows for easier organization and

As someone new to web development and Angular, I recently created a module, factory, and controller all in the same file (app.js). Below is an example of the code:

//Main Module
var ipCharts = angular.module('ipCharts', []);

//Factory
ipCharts.factory('securityFactory', function ($http) {
    var securities = {};
    $http.get('api/Securities').
                                  success(function (data, status, headers, config) {
                                      securities = data;
                                  }).
                                  error(function (data, status, headers, config) {
                                      // log error
                                  });

    var factory = {};
    factory.getSecurities = function () {
        return securities;
    }
    return factory;
});

//Controller
ipCharts.controller('securityController', function ($scope,securityFactory) {
    $scope.securities = securityFactory.getSecurities();
}); 

I'm currently exploring how I can separate the module, factory, and controller into different files.

I have successfully placed the controller in a separate file if it doesn't reference the factory. However, I'm facing issues when the controller uses the factory while the factory is in a separate file. Any tips or insights would be greatly appreciated!

Answer №1

Make sure to include your main app file (where you create the module) before adding the controller and factory files.

If you need to retrieve a pre-existing module, use the following code:

var ipCharts = angular.module('ipCharts');

When creating a controller file, follow this format:

var ipCharts = angular.module('ipCharts');
ipCharts.controller('securityController', function ($scope,securityFactory) {
    $scope.securities = securityFactory.getSecurities();
}); 

For a Factory file, use this structure:

var ipCharts = angular.module('ipCharts');
ipCharts.factory('securityFactory', function ($http) {
    var securities = {};
    $http.get('api/Securities').
                                  success(function (data, status, headers, config) {
                                      securities = data;
                                  }).
                                  error(function (data, status, headers, config) {
                                      // log error
                                  });

    var factory = {};
    factory.getSecurities = function () {
        return securities;
    }
    return factory;
});

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