Tips on preventing or bypassing module load errors in Angular.js

//index.html
<html ng-app="app">

//app.js
angular.module('app', 'test-module')

If I happen to forget to register the test-module in any of my scripts like this:
angular.module('test-module', [])

This can lead to errors appearing in the browser and result in the entire website failing to load:
Uncaught Error: [$injector:modulerr] Failed to instantiate module app due to:
Error: [$injector:modulerr] Failed to instantiate module test-module due to:
Error: [$injector:nomod] Module 'test-module' is not available! You either misspelled the module name or forgot to load it. If registering a module ensure that you specify the dependencies as the second argument.

Q: How can I make sure that the website page will still load even if there are errors related to unknown modules being loaded?

javascriptangularjs

Answer №1

Considering the situation from a different perspective might be beneficial.

Utilizing a test-module during development can streamline your backend setup for various environments. By configuring your backend to work in environments such as dev, test, and prod, you can manage subdomains and determine which modules should be activated. For instance, dev.yourdomain.com for development, yourdomain.com for production, and test.yourdomain.com for testing purposes.

You can create a script like this:

<script type="text/javascript">
    var MyModules = ['test-module'];
</script>

And implement it as follows:

angular.module.apply(angular, 'app', MyModules);

Answer №2

I have found the solution to your query :)

Angular utilizes an array of requires for each module, enabling you to easily add new requirements if you wish to utilize a specific module.

In your scenario, you can achieve this by following the example below:

//index.html
<html ng-app="app">

//app.js
angular.module('app', [])

//test-module.js
angular.module('test-module', [])
angular.module('app').requires.push('test-module');

This way, by including test-module.js in your browser, you will automatically inject the dependency into your app.

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