Unleashing the Power of Dynamic Loading in Angular Controllers

I am managing an application that consists of 10 views and various shared components.

--app
-------components
-------------home
-----------------homeController.js
-----------------homeDirective.js
-----------------home.html
 .
 .
 .
-------shared
----------modals
------------someModal
--------------- someModalController.js
--------------- someModal.html

The components are loaded using Angular routing.

(function() {

    'use strict';

    angular
        .module('app')
        .config(appConfig);

    function appConfig($routeProvider) {
        $routeProvider.
        when("/home", { templateUrl: "app/components/home/home.html", controller: 'homeController' })............
        otherwise({ redirectTo: "/home" });
    }
})();

The modals are utilized across different components, and everything functions correctly when all the script files are included on the main page. For example:

<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>

</head>

<body ng-app="fleetCam" ng-controller="appController">
    <div id="wrapper">

    <div id="page-wrapper">
        <ng-view>
        </ng-view>
    </div>
</div>
<!-- /#wrapper -->

<!-- jQuery -->
<script src="Scripts/jquery-2.1.4.min.js"></script>
<script src="Scripts/angular.js"></script>
<script src="Scripts/angular-route.js"></script>
<script src="Scripts/ngStorage.js"></script>



<script src="appMain/app.module.js"></script>
<script src="appMain/app.routes.js"></script>
<script src="appMain/app.services.js"></script>
<script src="appMain/app.directive.js"></script>

<!-- Load controllers and other dependencies on demand -->

 <script src="appMain/components/home/homeController.js"></script>
   <script src="appMain/components/home/aboutController.js"></script>
 

Currently, I am exploring ways to eliminate the need for the last three script tags and dynamically load controllers or other dependencies as needed. Despite researching lazy loading techniques, none seem to fit my requirements, particularly when incorporating shared components.

Answer №1

To implement asynchronous loading in Angular, you can refer to the patterns provided in the async section of the official angular-seed repository: https://github.com/angular/angular-seed/#loading-angular-asynchronously

For a sample implementation, you can check out the index-async.html file in the angular-seed repository: https://github.com/angular/angular-seed/blob/master/app/index-async.html

This approach utilizes the "Async JavaScript loader & dependency manager" called script.js by ded: https://github.com/ded/script.js

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