Quick Tip - Angular 2 Modules

Angular 2 has landed! Rejoice! After 18 beta releases and 8 release candidates, the final version saw the light of day in September and you can now consider it stable enough to use it. It’s a totally different framework when you try to compare it with 1.x but the principles are the same. You get the proper tools to build your web application from the UI to the data retrieval and everything in between. The plan is to have multiple quick tips appear here as I play with it. To start this process I will try to explain one of the concepts that took me a while to grasp once I started migrating one of my applications to Angular 2, the module system!

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AngularJS Directives Naming

Having a clear naming plan for you code is always considered a best practice. Especially if you work on languages like Javascript where it’s so easy to make a mistake on the name of an object property and no one will complain until you start debugging your application and spend hours because of a small naming mistake.

Libraries and frameworks like Angular.js will make things easier for you and provide you with a clear way to design your code but you have to respect its rules. Naming element directives properly is one of the very important rules.

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AngularJS Modules

The module concept in Angular.js is something that you love when you’re one of these developers who don’t like having global variables in your application. I’m one of these guys. It works by letting you define angular modules and then you can include objects in these modules based on what their functionality is. For example you might want to have a module for all your network services, another for your directives, another for your controllers and so on. Defining these modules and accessing them later from some other part of your code might be a bit confusing because the syntax differences are minor. This tip is all about these two functions in Angular.

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