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Reusable Components in AngularJS

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Reusable Components in AngularJS

 

Developers quite support the idea of using AngularJS due to its open-source libraries and rich developer community. Besides, it allows easy code-reusability, allows parallel development, offers interesting plug-and-play components, and offers improved design architecture for overall quicker AngularJS development.

Well, there are numerous reasons to pick AngularJS for app development. One of the reasons could be to migrate the ng1 app to ng2+, where componentization of the app becomes necessary for seamless migration. 

This article will help you learn how developers use the AngularJS features to create some reusable components for the app that perfectly align with the Angular framework. 

Understanding the Component Organization 

The first step for AngularJs programmers is to understand every component’s role for its apt application further. Then, we will utilize all reusable or dumb components to handle the common tasks while keeping page-level components as the driving force behind a view. Simply put, it will encapsulate functionality and code into reusable bits besides keeping the page-specific logic into a single component. 

 
Creating the First ‘Hello World’ Component 

The easiest component appears something like this. 

angular.module(‘app’, [])

.component(‘myComponent’, {

template:'<h1>Hello World</h1>’

}

);

Since the directives are available to the developers, it would only be rare cases when they still wish to utilize the template directive and not the component. Directives must be used as attributes to ad functionality to the component. Well, when you feel stuck or doubtful about it, you may simply prefer the component model, which structures like a tree of components. Simply put, directives act more or less like a template-less component that is responsible for enhancing the components. 

Binding Property 

The parameters of Components are passed through the bindings property. 

angular.module(‘myApp’)

.component(‘myComponent’, {

template:'<h1>$ctrl.name</h1>’,

bindings:{

name: ‘<‘ //one way data binding

},

controller: function(){

//component controller

}

})

* < – One-way data binding

Communication Component 

For instance, we are developing a messenger app for the business. Hence, we will have the main view, i.e., a page-level component that incorporates a reusable contact list component. Since we will be further using the contact list component in different areas of the app, it is imperative to make it as reusable as we can. With the ultimate objective of rending the contact list available to us from the server, it is to be done. Hence, the messenger component must accept the selections done in the contact list component and implement them aptly in the recipient list. 

 
Winding Up 

Developing AngularJS using the method above is quite contributing to enhancing the performance of the app. Besides, it even helps the developer set up highly reusable components for your app. So we hope this guide has helped you build reusable components in AngularJS quickly, without any hassle. 

At your Team in India, we have a team of Angular experts. If you want to hire Developers or have any questions on what all services we offer at Your team in India– Click here to contact us.

Originally posted on YourTeam in India. Click here to read more.

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