Dynamic Loading of View and Controller in Angular JS using ui-router

Is there a way to dynamically load both a view and its corresponding controller in my application? I anticipate having multiple views and controllers in my app, and I would prefer not to load all controller definitions during application setup. Instead, I would like to dynamically load the view and its associated controller as needed.

For instance:

/*index.html*/

<body>
    <div ui-view></div>
    <a ui-sref="state1">State 1</a>
    <a ui-sref="state2">State 2</a>
</body>

/*<!-- partials/state1.html -->*/

<script>/* controller definition */</script>
<div ng-controller="Cont">
/* content of view */
</div>

/*app.js*/
var myApp = angular.module('myApp', ['ui.router']);

myApp.config(function($stateProvider, $urlRouterProvider) {
  $stateProvider
    .state('state1', {
      url: "/state1",
      templateUrl: "partials/state1.html"
    });
});

OR

/*index.html*/

<body>
    <div ui-view></div>
    <a ui-sref="state1">State 1</a>
    <a ui-sref="state2">State 2</a>
</body>

/*<!-- partials/state1.html -->*/

<div ng-controller="Cont">
/* content of view */
</div>

/*app.js*/
var myApp = angular.module('myApp', ['ui.router']);

myApp.config(function($stateProvider, $urlRouterProvider) {
  $stateProvider
    .state('state1', {
      url: "/state1",
      templateUrl: "partials/state1.html",
      controller: /*Load the controller of state1 view*/
    });
});

When the state1 view is loaded, I want the corresponding controller to be loaded as well.

Answer №1

One efficient way to implement lazy loading of controllers, css, and other resources is by utilizing ocLazyLoad. While there are alternative libraries available, I personally prefer ocLazyLoad due to its compact size, wide range of functionalities, and the fact that it doesn't require the use of requirejs. For those specifically looking to load JavaScript files only, I recommend checking out $script.js. It offers exceptional efficiency in a small package.

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