Showing posts with label AngularJS app development services. Show all posts
Showing posts with label AngularJS app development services. Show all posts

Wednesday, February 24, 2021

Mistakes to be Avoided while Developing Apps with Angular!


 Angular is one of the most popular JavaScript frameworks, which offers myriad benefits to businesses worldwide. Most businesses prefer using Angular for mobile app development. Numerous giants in the corporate world have used Angularjs app development services for a wide range of projects. Take a look at some examples:

  •  Video-streaming applications like NetFlix and YouTube                  
  •  Online Payment application like PayPal
  •   Travel application like JetBlue
  •   A User-review application like GoodFilms
  •    eCommerce applications like Land send, iStock, etc.
  •    Job-portal like Upwork

Moreover, it is being predicted that Angular’s demand is going to rise further in the coming years. We can see that Angular’s future looks bright.

But despite the ever-increasing demand and popularity, there are some flaws in this framework like any other framework As such, developers tend to commit certain errors that may ruin your project. So, Angular developers and Angular development services must be aware of these common development blunders so that they are able to create top-grade applications.

In this blog, we have outlined the most common mistakes committed by Angular developers during the mobile app development process. So let’s get started.

Noteworthy Mistakes that Angular App Developers tend to commit


Direct Manipulation of DOM

A common blunder that the developers tend to commit is making changes directly in the DOM. While changing the titles in pages or adding images, some developers may make modifications directly in DOM. But it is considered a bad practice. The DOM is a browser-specific API. It may tightly couple the Angular app’s code with the browser and this won’t allow the developers to target any other rendering environment later.

Lack of knowledge of Important Tools

Knowledge of the important Angular tools is a basic requirement that an Angular app development company must look for while hiring developers.

Effective usage of the available Angular development tools like Protractor and TestWhizin Angular helps in successful project development. Lack of knowledge on any of these tools or inability to use them can result in critical issues sooner or later. It affects project management, error handling in the project, the performance of the end product, and much more.

Improper Code-organization

In Angular, organizing the code into small chunks is considered beneficial as it simplifies the development process and also helps to track any errors and resolve them easily. This approach is much useful when several developers work on the same project. But since this framework uses MVC architecture, at times the developers may add excessive code to a single controller. Such an improper distribution of code may create issues in the later stages of development.

Cleaning up the Subscriptions

Unsubscribing to the unnecessary and older subscriptions is also a vital step in Angular development. The developers must clean up such subscriptions from time-to-time as these can cause a threat to data security and lead to several other issues. They should also avoid new subscriptions constantly.

Declaring Functions Incorrectly

Sometimes, the developers fail to assign the functions to a specific variable. In such cases, the code is at risk of being manipulated. So, it is essential to properly declare functions to the variables. It provides the following benefits:

  • Makes the code neat and maintainable
  • Allows easy splitting of files
  •  Eases out the testing and maintenance process

Not using the controller AS Syntax

For assigning a model to the controller object, usually, the developers use $scope. But injecting the scope isn’t the right way to do it. Instead, using the controller as syntax is quite an effective and comparatively simpler method. Also, this syntax can be used in multiple ways in app development. But this syntax also has a drawback, that it provides confusing results while handling various nested scopes.

Unnecessary Use of jQuery

jQuery is commonly used for event-handling, for AJAX operations, and for making DOM manipulation easier. But it is advisable to first use the features available in Angular to the fullest and then use jQuery if required. Developers tend to first prefer jQuery without exploring options in Angular and this may result in unnecessary complications.

Improper Scope Binding

As we know, Angular uses the MVC model. Here, the scope is a set of built-in objects that consists of app data. Scope binds controller and view in the MVC model. At times, developers don’t follow the scoping rules provided by Angular which may result in issues in the app development process. The developers must properly assemble their scope objects.

Not using the Extension- Batarang

Batarang is a highly advantageous Google Chrome extension that aids in the development as well as the debugging process. But this extension is often ignored by the developers and not used to its fullest potential.

Putting too many Tasks for the Controllers

In the hurry to meet deadlines, developers may mix logic layers and allocate more tasks to controllers than necessary. This can result in a code that will execute more functions for a certain situation and may end-up in performance issues. For instance- having several event handlers or performing AJAX calls in controllers.

Ignoring Pre-launch testing

Needless to say, it is imperative to do adequate testing before an app is launched in the market. The app should be tested in cross browsers and different environments using tools like BrowserStack or LambdaTest if required. This helps in identifying the bugs if any. These bugs can be worked upon to deliver a successful app. Failing to do so can reduce the success rates to a great extent.

A few more Considerable Mistakes in Angular Development

  •   Failing to use the event-handlers properly
  •   Not optimizing the Angular app
  •   Using the Isolated scope directives more than required, which results in several errors.
  •   Using more Watchers than needed.
  •    Heavy processing, that can lead to a frozen browser.
  •    Overusing the Resolves that can increase loading times and slow down the app.

Final words:

In an Angular development company, it is quite normal for the developers to make some mistakes while building apps. Sometimes it is due to negligence, sometimes it is due to lack of experience and sometimes it is due to pressing timelines. Even experienced Angular developers tend to make critical mistakes at times during Angular mobile and web app development. But the knowledge of these errors and mistakes in advance can curtail them to a great extent and lead to time-saving and better app performance as well.

To know more about our other core technologies, refer to links below

React Native App Development Company

Ionic App Development Company

Blockchain App Development

Monday, February 15, 2021

Angular11: Exciting New Features and Updates


 “The Angular framework is used by 25.1% of developers across the globe” – states a survey report published by the renowned portal Statista in 2020. As per this report, Angular is the third most favorite choice of developers worldwide. This framework is known for its technical goodies and frequent updates. Each updated version intends to harness the latest technological innovations and improving the Angular experience. The proactive Angular team recently released yet another updated version, Angular11. The Angular11 release date is November14, 2020, and this release has strengthened Angular app development further.

Angular11 aims at addressing the bug-issues that have been raised by the community which ultimately intend to improve the developers’ experience. Furthermore, Angular11 ushers in a plethora of improvements, modifications, and deprecations for simplifying the developmental process. As such, every Angular App Development Company should be well versed with the prominent updates in Angular11.

This article will enlighten you about the new updates introduced in Angular11. So, get ready to embark on a journey into the world of Angular11.

The Notable Updates, Add-ons, Deprecations, and Modifications introduced inAngular11

Enhancements in Component Test Harnesses

Component test harnesses were initially introduced in the 9th update of Angular. It offered a sturdy and legible API surface that facilitated testing of Angular material. It enabled developers to interact with the components of Angular Material by making use of supported API during testing. However, this feature was only available for Angular Material so far. Angular11 has added harnesses for all the components. As a result, testing became much easier, and the developers now create sturdier test suites. Besides, Angular11 also introduces parallel functions, new APIs, and performance enhancements. The parallel function feature works with asynchronous actions during testing, as it allows developers to carry out several asynchronous interactions with components simultaneously. The manual change detection feature allows developers to disable the auto change detection mode while unit testing and gain a finer-grained access control of change detection.

Refurbished Hot Module Replacement (HMR) Mechanism

The existing mechanism of HMR (Hot Module Replacement), which enables Angular developers to replace modules without having to refresh the full browser, is refurbished in Angular11. Now, a CLI command is introduced so that the developers have to put so much lesser effort to configure HMR. To enable HMR, one simply needs to employ the ng serve command along with an hmr tag.

Operation Byelog Updates

Operation Byelog was one of the items when the Angular’s Roadmap was shared by the Angular team. The team’s objective was to put in lots of engineering efforts for triaging PRs and issues till they could clearly understand the needs of the huge community. Their initial intention of this goal was fulfilled with the release of Angular11. The reason is all issues have been triaged successfully in each one of the three existing monorepos. This will go on as a continual effort as new issues are reported. Moreover, all new issues that are reported will be triaged within a period of two weeks. This has minimized the size of the Angular backlog considerably. Additionally, this update has resolved some common concerns related to the router and forms.

Updates in Language Service Preview

The language service feature in Angular offers tools that ease out development and boost productivity as well. The erstwhile Language Service was based on View Engine. With Angular11, the Language Service is based on Ivy which is more robust and accurate as compared to the View Engine. After this update, the Language Service can accurately infer the generic sin templates as done by a TypeScript compiler.

Automatic Font-Inlining

Angular11 also introduces auto-inlining of fonts. This feature converts the icons and Google fonts to inline in the index HTML, each time the flag is set in angular.json under the build option. The fonts that are being linked and used with the app will be downloaded and inlined by the Angular CLI during compilation. For leveraging this update, you need to ensure the availability of connectivity while the build is running on CI. So, upgrade your apps to Angular11 for receiving this feature by default.

 Faster Builds

  •   Support for TypeScript 3.9 has been dropped and Angular11 supports only TypeScript 4.0. This deprecation intends to accelerate builds.
  •  The ngcc update procedure has become two to four times faster than before when dependencies are being installed.

Experimental Support for Webpack 5

Webpack is employed for compiling numerous files into one single file or bundle. Webpack5 is the most recent version, though not fully stable yet. But Angular11 offers experimental support for Webpack5 so that they can be used together for trying out new things. As per Angular11 release notes the Angular team intends to expand this experimental support once Webpack5 is stable, for achieving smaller bundles and speedier builds.

Migrating to ESLint

With Angular11, the use of the popular Angular linting tool TSLint and Codelyzer has been deprecated and TSLint is replaced by ESLint. The future versions won’t be providing default implementation to lint Angular projects and hence the Angular team advises migrating to ESLint. The team has devised a three-step migration process for moving to ESLint from TSLint. The steps are:

  •   Adding relevant dependencies
  •   Running the schematic convert-tslint-to-eslint on a project
  •   Removing TSLint configuration and using only ESLint.

Other noteworthy Updates

·         The Angular roadmap is updated to keep the users informed about the on-going priorities. The team intends to put more effort so that developers can provide early feedback that can be included in the final release.

  •   Modifications have been made in the builder phase reporting to enhance its usability.
  •   The new CLI output updates, simplify creating logs and reading reports.
  •   Angular11 introduces lazy loading with the help of named outlets which was not possible earlier.

Final Takeaway

Angular11 is loaded with groundbreaking enhancements and profitable add-ons. To reap its benefits all you need to do is update to this most recent version.

Would like to leverage the goodies of Angular? Well then, reach out to the highly experienced and adept Angular app developers of Biz4Solutions, a distinguished mobile app development company that provides top-notch services to clients around the globe.

To know more about our other core technologies, refer to links below

React Native App Development Company

Ionic App Development Company

Blockchain App Development

Monday, January 25, 2021

Reasons to choose Angular for architecting an Engaging and Attractive Website!


Traditional website designs fail to achieve the desired results any longer. Modern-day users expect websites to be not only intuitive and engaging but also visually attractive and decked up with rich features. One of the most befitting frameworks that satisfy this challenging requirement is Angular. Angular is an open-source JavaScript framework that came into being in 2009 and has been made future-ready by the release of frequent revamped versions by the Angular team, the latest one being Angular 10. This highly marketable framework excels in developing the creative components of a website and hence is a popular pick for website creators. Top brands such as Lego, PayPal, The Guardian, Weather, Netflix, etc. have leveraged Angular development services to build spectacular websites.

This article discusses the role of Angular in creating an engaging and visually appealing website design.

The role of Angular in creating an attractive and engaging website design

Have a look at the distinctive capabilities of Angular in the realm of web development!

Model-View-Controller approach

Angular’s MVC (Model View Controller) architecture splits the app into three distinct components – Model, View, and Controller. The Model maintains data, View displays necessary data and Controller acts as a bridge to connect View and Model. MVC approach eases out the task of Angular app developers while creating Single Page Applications and saves their time as well.

High Scalability

AngularJS development allows one to resize or alter components, modules, logical view, etc. through all stages of the developmental cycle. Therefore, the unidirectional flow is maintained even when developers create new functionalities or extend the existing logic.

Presence of Dependency Injection

Dependency Injection is a design pattern wherein an object bestows dependency on another object. With Angular, the dependencies run alongside their components and this enables the classes to obtain dependency from external sources. Consequently, a tree of dependency injectors is created which can be changed without the need to reconfigure its components. Moreover, owing to its hierarchical structure, it is clearly defined how alterations made to a certain element affects the function of other elements. Thus, this feature enhances performance and also speeds up development.

Lazy Loading

Lazy loading is a unique feature of AngularJS front-end development that enables asynchronous loading of JavaScript components when a particular route is activated. During this action, no other needless page or route is called for. The App Component is loaded as default by the app in the root URL, and the lazy module is loaded asynchronously when users navigate employing the command lazy/load-me.

Ability to create Declarative Interfaces

Angular’s ability to create a declarative UI, is another reason for its high adoption rate. Angular app development employs HTML in place of JavaScript to define the User Interface. HTML is much lesser complicated than JavaScript. Furthermore, owing to HTML usage, the UI components of an Angular web application gain intuitive and declarative properties. Hence, we do not need to manually create flows of the program, Angular’s declarative UI loads components automatically as per the defined page layout and the data. Therefore, the usage of Angular for building websites saves time as well as efforts of front-end developers.

Lightweight code

Since Angular is a framework, code is very precise. Development in Angular requires lesser coding as compared to JavaScript, CSS, and HTML. Moreover, the code is lightweight and readable.

SPA creation benefits

Angular is known for its capability to architect outstanding Single Page Applications as the Angular infrastructure supports journaling, routing, and template usage. Needless to say, SPAs possess a responsive web design and impart a native-like UX on the web.

Benefits of being a framework rather than a library

Angular is often compared to libraries like React.js, when talking about front-end development. But, since Angular is a framework and not a library; the set-up process becomes quicker which speeds up development. Additionally, the Angular eco-system possesses numerous self-libraries. Thus, Angular turns out to be far more beneficial than the libraries like React.js offering similar functionalities.

Ease of Testing

Angular’s capability to mock dependencies allows one to easily test any aspect of the web app starting from its User Interface to the business logic.  Also, the separation of modules reduces testing complexities and makes it possible for the users to load only those services that are needed.

Community Backing

The Angular framework has been created and is being maintained by the tech giant Google. As such, the Angular community is equipped with detailed documentation that covers all aspects related to its usage and fixing of issues.  Moreover, the community organizes global conferences, and hackathons involving IT professionals across the globe. It also solves the queries of Angular developers through online forums.

Wrap up

In a nutshell, Angular is stuffed with technical goodies that help one to create enticing and engaging websites speedily and in a cost-effective way. So, hiring an Angular App Development Company or Angular App Developers would be a wise decision for those planning to create captivating websites.

If you are looking for Angular App Development Services, reach out to Biz4Solutions, a distinguished Angular App Development Company. We build websites and apps for global clients that boost their ROI. Write to us at sales.enquiry@biz4solutions.com

To know more about our other core technologies, refer to links below:

React Native App Development Company

Ionic App Development Company

Blockchain App Development Services


Tuesday, December 29, 2020

Angular Vs React: Detailed Comparative Analysis!


Mobile app revenues were recorded to be 365 billion U.S. dollars in 2018 and they are expected to go beyond 935 billion U.S. dollars by the year 2023, as forecasted by Statista, a reputed portal for statistics. Looking at these figures, we can confidently say that the scope for app development has grown at an exponential rate. Millions of entrepreneurs across the globe are investing in mobile app development services like never before!

But the entrepreneurs and business professionals looking for creating a lucrative mobile app might face some hurdles. So, this article talks about one such hurdle and that is technology selection. Narrowing down the topic furthermore, the article discusses Angular and React- the two JavaScript-based technologies, widely used for creating SPAs. This read will provide you a detailed report on these technologies and help you make an informed decision on which one can be a better fit for your app development needs.

A Detailed Comparative Analysis between Angular and React

Technology Developed by:

Angular: Google

React: Facebook

Technology Type:

Angular: Written in JavaScript and is an MVC framework

React: A JavaScript library that has only view in MVC and needs Flux to employ architecture

Background and Reliability:

Angular:

Developed in 2016, Angular is maintained by Google’s team to date. It is a complete framework. Despite being a much younger technology in the market, it is widely used for diverse applications due to its reliability. In 2018, more than 600 apps were created in Google alone like Google Analytics, Google Cloud Platform, and many other apps for different business applications.

React:

React too belongs to a good family and is much older comparatively. It is being supported by Facebook. It was first used in 2012 by Facebook for its News Feed functionality and then made open-source in 2013. Today, React is extensively used in several applications and is considered a stable and reliable technology. React has more than 150,000 stars on GitHub.

Basic Concept:

Angular: Brings JavaScript into HTML, client-side rendering, works with real DOM

React: Brings HTML into JavaScript, server-side rendering, works with virtual DOM

Learning Curve:

Angular:

Learning Angular is quite challenging, especially for beginners, and requires rigorous training.

React

React is comparatively easier to learn and grasp, but when augmented with Redux, it can become difficult for learning.

Latest Version:

Angular: Angular 11, released on Nov 11, 2020

React: React 17.0.1, released on Oct 22, 2020

Installation Time:

Angular: Easy to set up, but at times, can require a longer time for coding which may lead to delayed project deliveries.

React: Though React takes longer to get installed, but once set up, it is considerably faster for delivering applications and other projects.

Features and Functionalities:

Angular:

Angular offers some of the outstanding features and functionalities such as:

  •          dependency injection
  •          class-based components that come with lifecycle hooks
  •          routing using @angular/router
  •          templates using HTML which is an extended version
  •          XSS protection
  •          code splitting options
  •          Ajax requests
  •          lazy loading
  •          component CSS encapsulation
  •          test runner, utilities, and framework for unit-testing
  •          @angular/forms for creating forms

Some of the features like forms, HTTP client, etc. are optional in Angular, but some features like dependency injection are built into the framework’s core and Angular developers need to use them compulsorily.

React:

·         It comes with JSX instead of classic templates; JSX is an XML-like language developed on top of JavaScript

  •          class-based components
  •          state management functionality
  •          code splitting
  •          lazy loading
  •          tools for unit-testing of components
  •          XSS protection
  •          error reporting and handling with error boundary

React doesn’t offer anything much for routing, dependency handling, advanced form calling, HTTP calls, etc. However, it leverages popular libraries like Fetch for HTTP requests, React-router for routing, React Testing or Enzyme Library for more unit-testing utilities, several techniques for CSS encapsulation, etc.

Significant Tools and Libraries:

Both, Angular and React, have a huge ecosystem of important tools and libraries associated with them to boost the performance of these frameworks.

Angular:

  •          Angular CLI
  •          Component Libraries like Material UI, PrimeNG, ng-bootstrap, NG-ZORRO, Onsen UI for Angular
  •          Angular Universal
  •          Ngx-admin
  •          State Management Libraries such as NGXS, Akita, and NgRx.
  •          Compodoc
  •          Ionic Framework
  •          Augury

Find a more detailed list of Angular tools in our blogs here.

React:                                                                                                             

  •          A CLI utility named Create React App
  •          Component Libraries such as ant-design, react-bootstrap, Material UI, Semantic UI, Blueprint, Onsen UI, etc.
  •          Styling Libraries like Emotion, CSS Modules, Styles components, etc.
  •          State Management Libraries such as MobX and Redux
  •          React Native
  •          PropTypes feature
  •          React Admin
  •          Next.js
  •          UI development environments like Storybook, MDX, React Styleguidist, etc.
  •          Gatsby
  •          React developer tools
  •          React 360
  •          Testing Helpers like Enzyme, built-in TestBed, Testing Library, etc.

Applications Developed:

Angular: Google Analytics, Forbes, Mesh, Firebase Console, Wepay, VMWare, Google Cloud Platform, Auto Trader, Upwork, Google Express, Beam, etc.

React: Uber Technologies, Facebook, Instagram, Pinterest, Netflix, etc.

Wrap-up:

Our article ends with this and we have seen the good and bad of both technologies. There is no winner here, both- Angular and React are apt for certain requirements and business applications. It depends on aspects like features required in the app, app size, budget constraints, skills and size of the team, the platform that you are targeting, when it needs to be out in the market, and several other factors. So, you can decide the best-suited option accordingly.

If you want some expert advice on whether to choose Angular or to go with React app development, contact Biz4Solutions, a renowned React and Angular app development company, based in Frisco, US. We have knowledge of emerging technologies like React, React Native, Angular, Flutter, Xamarin, PHP, .Net, Ionic, Swift, Objective-C, etc. Reach out to us at sales.enquiry@biz4solutions.com for more details.

To know more about our other core technologies, refer to links below:

Ionic App Development Company

Blockchain app developers


Tuesday, December 15, 2020

The top advantages of Angular9 Ivy: The future-generation Compiler!


 The Angular team has amazed the entire software fraternity by releasing updated versions at frequent intervals! This is indeed a dynamic move to eliminate the road-blocks encountered by Angular app developers, leverage the goodies of emerging technologies and, provide a rich UX to customers. Angular has as many as 10 enhanced versions to its credit! Amongst these, Angular9 is one of the versions that offer multifarious breaking changes. Out of all these enhancements, the new Ivy Compiler in Angular’s V9 has stolen the show. Angular9 Ivy comes with unbeatable features that promise to make your app smaller and swifter.  This article talks about the advantages of the Ivy Compiler of Angular9 and its crucial role in Angular app Development.

Ivy Compiler of V9 in a nutshell

Ivy refers to Angular’s future-generation compiling and rendering pipeline. With the introduction of Angular9 Ivy, now the newer version of the compiler and the runtime instructions are employed by default in place of the older one called View engine.  This Ivy Compiler comes with numerous advantages for an Angular app Development Company.

Top Advantages of the Ivy Compiler in Angular9

Given below are the key advantages of the Ivy Compiler in Angular’s V9.

Default AOT Compilation: Quicker build times

In Angular’s previous versions, the developers preferred JIT compiler as the AOT compiler used to be very slow. However, the scenario has changed with the advent of Angular9 Ivy that enables the Ahead of Time (AOT) Compiler by default. The novel architecture of Ivy has worked wonders in improving the performance of the AOT Compiler. A compiler’s performance is measured based on the app’s overhead on the top of a plain TypeScript Compilation. Owing to Ivy, Angular’s AOT Compiler now performs approximately 40% better than it did earlier; as the overhead has reduced to 0.5X from 0.8X in the Angular documentation app. Thereby, the build times became quicker, proving to be a sigh of relief for the Angular app developers.

Reduction of bundle size

Unlike the earlier compiler View Engine, Ivy employs the tree-shaking technique to get rid of the unused code from applications. This leads to lesser code generation for each of the Angular components, thereby reducing the bundle size. Reduction in bundle sizes improves the app’s performance and proves beneficial to large applications having numerous components, as well as small applications that do not use too many Angular features. 

Lazy Loading

Ivy enables the lazy loading of any component. Thereafter, these components are dynamically rendered without the need for routing or an Angular module. Also, the libraries used by the lazy-loaded components are bundled to form lazy-loaded chunks.

Better manipulation of styles

Ivy has simplified style-handling and merges them predictably. Earlier the bindings were dependant on the last evaluation and the timing when a change was made to these expressions. Now, there is a clear and consistent order denoting specific styles as per their precedence, instead of timing.

Multiple language support via a single app bundle

Owing to Ivy, the app can support various languages using a single app bundle with one hostname. Some additional set-up may be required though.

Easier debugging 

The introduction of Ivy has ushered in more tools for debugging apps. To cite an example, the new “ng” object is available for debugging which enables the developers to obtain access to the directives, components, etc.

Speedy Testing

Thanks to Ivy, the application-testing speed has gone up by 40% to 50%. The reason is a revamped “TestBed” has been implemented which recompiles components used between test- cycles only if that component was manually overridden.

Added provider scopes

The new provider scopes “any” and “platform” have been introduced by the Ivy version of Angular. Provider scope “any” shares a provider for each module injector while “platform” scope can be shared across different Angular apps for the same document.

Better Internationalization

Internationalization refers to Angular’s existing feature which allows you to architect highly optimized apps as per the location. In Ivy, The quicker build-times are quicker due to pushing of build time substitutions later in the process, which makes this feature work much faster than before.

Better Type Checking

The Ivy Compiler is capable of checking more types of an application and applying more strict rules. Apart from the default type checks, there are some additional ones too. For instance, activating the flag “fullTemplateTypeCheck” signals the compiler to check all the aspects within the template, and activating the flag “strictTemplates” makes the compiler apply the strictest Type System rules available for type-checking. This functionality enables detecting bugs in the earlier stages of the developmental cycle itself.

Stronger Safety

In comparison to the erstwhile View Engine, Ivy is far more efficient in offering more safety. Furthermore, error messages become easier to read using Ivy.

Final Verdict

Thus, the Ivy Compiler in Angular’sV9, not only makes the Angular apps smaller, simpler and swifter but also gifts the Angular framework with a plethora of advantages. No wonder it is considered to be one of the most disruptive add-ons. Therefore, adopting this novel feature will indeed be a strategic move for any enterprise.

Looking for an Angular app development company, for creating your enterprise application? Well then, try Biz4Solutions, a notable mobile app development company offering top-class app development services to customers across the globe. We leverage the latest available technologies to offer you the best services. Mail us your project requirement at sales.enquiry@biz4solutions.com

To know more about our other core technologies, refer to the links below:

React Native App Development Company

Ionic App Development Company

Thursday, December 10, 2020

Best Practices to follow in Angular Development – Part I


 Angular is one of the most popular MVC pattern MVVM frameworksof the 21st century. Developed by Google, Angular is significantly used for building dynamic mobile, web, desktop apps using TypeScript, and HTML. Recently, its latest version Angular10 was released in the market which created a buzz in the software world.

But to meet the high-end requirements of modern-day users, it is essential to not only use the next-gen framework like Angular but also follow a certain set of standard development practices. So in this blog, we have enlisted some of the top practices in the Angular app development realm for the developers to learn and follow in 2020. But before we get started, let us have a quick look at the benefits of following these practices, rather tips.

Noticeable Benefits of Following the Angular Development Best Practices

*      Helps in Creating a Clean Code

*      Aids in Maintaining the Coding Standards

*      Helps in Minimizing the Developmental Time

*      Ensures a Minimal Score on the Bugs and Issues

*      Ensures Improved Performance of the End-product

*      Makes CodeManagement and Debugging Easier

Highlights of the Top Angular App Development Practices


Rules to follow for Angular Coding Styles

Following certain standard coding styles instead of the common styles during Angular app development can ensure the writing of simple and adaptable code and a good user-experience. Here are the rules to be followed for Angular coding styles:

·         The code per function shouldn’t exceed 75 lines

·         The code per file should not exceed 400 lines

·         It is good to declare the values of variables with ‘const’ if those values are intact

·         While sharing feature area for all slider components, developers should use a custom prefix

·         You can use shortcuts for files withsimilarly namingconventions. For instance, you may use hero.component.ts|html|css|spec for namingdifferent files with thesame names

·         In case you usually prefix the names for database, table, field, etc., avoid this practice for Interface names like AbastractShape and iShape

·         Apply single responsibility symbol to services, components, and symbols since it allows to create a more readable and cleaner app format.

BestSecurityPractices in Angular

Security is of utmost importance in any application. In Angular, security lapses can result in a dangerous threat, for instance, cross-site scripting. This issue can result in the passing of controls on the client side resulting inthe alteration of the web pages. For avoiding such attacks, the developers should be aware of some security practicesin the Angular framework as mentioned below:

·         Maintain the Angular Libraries on Regular Intervals

·         Update Angular libraries for every new update from Google

·         Prevent the XSS cross-site security issues

For doing this, it is necessary to consider the measures like DOM sanitization service, Offline template compiler, sanitization and security contexts, context security policy, etc. These will help to keep the attackers away from client-side apps ensuring higher security.

 

Routing in Angular and related Practices to Consider

Routing in Angular is performed to either display or hide components as and when needed by the users. Routing makes the components available for the development process whenever required, thus reducing constant trips to the server. However, bad routing practices can result in disorganized Angular apps at some point. So, for ensuring these issues don’t exist, the developers need to understand some basics about adding templates and components into the app along with the appropriate functioning of the routes. Have a glance at the best routing practices in Angular:

  •          Developing the routes module wise
  •          Routing with lazy loading
  •          Organizing routes guards
  •          Lazy loading routes with Preload

PreventingObservable Memory Leaks

Unlike any other framework, Angular, too, has observable memory leaks. Observables are of great use in Angular as they help in streamlining important data. But at the same time, leaks in observables can cause critical issues in mobile app development. Please follow the below-mentioned tips to avoid these leaks:

·         Use ‘async pipe’: these are built-in attributes that come in handy when the developers need to mark the components for emitted values. Also, they unsubscribe automatically from observables and thus prevent unnecessary memory leakages.

·         Use ‘take(1)’: This is an operator that allows you to get the data just once and helps to easily avoid memory leaks.

·         Use ‘takeUntil’: This is another operator that should be used when you wish to monitor second Observables and destroy the subscription once the Observables gets completed or emits the value; thus, preventing the Observables to be leaked.

Usage of Template Directive

In Angular, 'ngFor' comes as a built-in template directive and is used for building new templates in the applications for every item. So, the Angulardevelopers can rather use ‘trackBy’ directive every time they use ngFor. So, instead of rendering the complete DOM tree, ‘trackBy’ will help in creatingcustomized and unique identifiersfor every item.

Utilizingthe most powerful accessibility tool- Angular CLI

Angular Command-Line Interface (CLI) already follows all the standard practices during Angular app development. It eases out the development process. It helps to test, debug, maintain, and deploy the applications. So, the developers should use it for developing an initial-level structure for the Angular app. They must use Angular CLI for the generation of new modules, directives, services, components, pipes, classes, etc. while creating any files and folders, instead of doing it manually. Using this interface decreasesJavaScript fatigue and complexity.

Here is a detailed blog on other vital tools used in Angular for creating an outstandingapplication.

 

A Few Other Recommended Practices

  • *      Naming Conventions for readability and maintainability
  • *      Maintainingthe folder structure properly
  • *      Utilizing service workers for ensuring that the apps become highlyresponsive
  • *      Isolating all the API hacks in one place
  • *      Breaking down the larger components into multiple smaller components
  • *      Ensuring proper documentation of code, every variable, and the methods used
  • *      Using state management libraries for managing state transitions

In our upcoming blog, we will explain these practices in detail and also include some more tips and practices that all the Angular development services should follow. Also, here is our blog on the “Potential mistakes that developers must avoid during Angular development!

 

Key Takeaways:

For designing a comprehensive application that becomes lucrative as well as popular, it is essential to implement the best developmental methods. So here we have mentioned some of these methods which are tried and tested by the experienced Angular developers who have worked on versatile projects for years. Every Angular app development company should consider these tips and train their developers beforehand to refrain from any major mistakes in the projects.

With this, we come to the end!

We hope this blog was an insightful read for you and the practices mentioned here will make your Angular app development quite simpler and interesting. 

If you have any such practices to share with us, do comment below.

We would like to hear about your experiences too!