Salesforce Lightning Web Components: The Future of Salesforce Development

Oct 7 / Anushika Soomro

Lightning Web Components represent the symbol of progress in Salesforce development. LWC is a framework that enables developers to build Lightning applications with a focus on web standards, performance and compatibility. By utilizing Base Lightning Components, Lightning Data Service and User Interface API, developers can easily create feature applications. Whether you are transitioning from Aura components or starting from scratch, Lightning Web Components offer a future proof approach, to Salesforce development.

What are Salesforce Lightning Web Components?

The Evolution of Web Standards

The evolution of web standards has made significant progress over the past few years. In the past, web standards had limitations when it came to building large scale web applications. These limitations included suboptimal rendering, a range of UI elements and a core language that lacked modern features. As a result, developers turned to frameworks and libraries that offered their own extensions and component models like Salesforce Lightning Web Components.

The Need for Standardization

However, this led to fragmentation within the development community as frameworks and libraries competed for dominance. To address this issue, organizations like W3C and WHATWG took on the challenge of standardizing web development. This resulted in the creation of ECMAScript standards well as concepts like web components, custom elements, templates and shadow DOM.

The 2019 Web Stack: Standardization and Innovation

Fast forward to 2019. We see significant changes in the web stack compared to its earlier iterations. The core stack now heavily relies on features that were previously only available through frameworks. This shift has opened up opportunities, for frameworks that can build upon these web standards while also taking advantage of the performance benefits offered by the native web stack.

The Benefits of Salesforce Lightning Web Components

Improved Performance and Speed

Salesforce Lightning Web Components (LWC) utilize web standards and advancements resulting in exceptional performance. These components are designed to facilitate UI transformation ensuring faster rendering and responsiveness. With LWC Salesforce developers can create high speed applications that deliver a seamless user experience.

Compatibility and Coexistence, with Aura Components

One notable advantage of LWC is its ability to coexist and work together with Aura components. Salesforce developers can continue using their existing Aura components while gradually transitioning to Lightning Web Components. This smooth coexistence ensures that existing functionalities remain intact allowing developers to leverage the benefits of LWC at their own pace.

Shared Component and Programming Models

Lightning Web Components introduce a shared component model and programming approach making it easier for developers to learn and work with the framework. The standardized syntax and structure of LWC components promote code reusability. Facilitate simpler maintenance. Additionally, the use of custom elements, templates and shadow DOM enables separation of concerns and enhances the encapsulation of component logic.

Enhanced Developer Efficiency

Lightning Web Components offer developers the advantage of utilizing a range of pre-built UI elements known as Base Lightning Components. These components can be easily reused resulting in improved productivity. The combination of Lightning Data Service and User Interface API further enhances efficiency by enabling access to Salesforce data, metadata, data caching and synchronization capabilities. With these services and the power of web standards developers can create applications more efficiently.

Getting Started with Lightning Web Components

Learning JavaScript Basics

Before delving into Lightning Web Components, it is crucial to have a grasp of JavaScript since it serves as the language for building LWC components. Familiarity with JavaScript syntax and concepts is essential for development. There are various online resources and courses available to learn JavaScript, such as Codecademy's Learn JavaScript and Udemy's Modern JavaScript course.

Trailhead and Online Courses for LWC

Salesforces Trailhead platform offers a learning path specifically designed for mastering Lightning Web Components. Starting from concepts it gradually progresses to cover more advanced topics in LWC development. Additionally, platforms like Udemy and Aceaim provide courses that offer in depth training on LWC development.

Developing Salesforce Lightning Web Components

Component Model and Structure

Salesforce Lightning Web Components follow a component-based architecture. Each component represents a self-contained piece of functionality. Consists of an HTML template, JavaScript controller and CSS styling. What’s great is that these components can easily be included and reused within components or applications, thanks to the use of custom elements.

Utilizing Base Lightning Components

Salesforce provides a set of over 70 built UI components called Base Lightning Components. These components are like building blocks for creating LWCs as they cover a range of UI elements such as forms, tables, navigation menus and more. By leveraging these components developers can save time during development while maintaining consistency in the user interface across parts of the application.

Leveraging Lightning Data Service and User Interface API

One powerful feature offered by Salesforce Lightning Web Components is the Lightning Data Service. It allows developers to access Salesforce data and metadata. With this feature, fetching, updating and deleting records becomes easier without needing Apex code. Additionally, the User Interface API makes Base Lightning Components and Lightning Data Service metadata-aware. This results in increased productivity for developers, by reducing development effort.

Lightning Web Components. Sample Applications

To assist developers in learning and implementing Lightning Web Components (LWC) Salesforce offers a collection of code examples known as Lightning Web Components Recipes. These recipes encompass use cases and provide step by step guidance on how to build different types of components. Additionally, there are sample applications on GitHub that showcase the capabilities of LWC, such as Ebikes, Dreamhouse, Dreaminvest, PureAloe and Easy Spaces applications.

Migrating from Aura Components to Lightning Web Components

Coexistence and Interoperability

One important aspect for developers already using Aura components is the ability to gradually transition to Lightning Web Components. Aura components and LWC can coexist within the application or page allowing developers to migrate components at their own pace. This coexistence ensures that existing functionalities remain intact while providing flexibility in adopting LWC.

Choosing Components for Migration

When migrating from Aura components to LWC it is crucial to evaluate which components would benefit the most from the performance and productivity enhancements offered by LWC. Components with logic frequent updates or a need for improved performance should be given priority for migration. Salesforce provides tools and resources to support developers in this migration process, including a migration guide and compatibility checker.

The Future of Salesforce Development with Lightning Web Components

Increasing Popularity and Support from the Community

Ever since its introduction, Lightning Web Components (LWC) has been gaining popularity among Salesforce developers. The community has fully embraced the frameworks advantages in terms of performance, productivity and compatibility. This growing acceptance is evident through the abundance of resources, tutorials and community driven projects for developers to learn from and contribute to.

Salesforces Dedication to LWC

Salesforce has demonstrated its commitment to Lightning Web Components by endorsing it as the recommended programming model for building Salesforce applications. The platform continues to invest in the development and enhancement of LWC ensuring that it remains at the forefront of Salesforce development practices. This unwavering dedication instills confidence in developers that LWC is indeed the future of Salesforce development.

Exciting Prospects for Developers

Lightning Web Components provide developers with a framework that optimizes performance while leveraging web standards and innovations. Proficiency in LWC opens up opportunities, in the job market as more organizations adopt Salesforce and actively seek skilled LWC developers. The future of Salesforce development looks promising. Those who embrace LWC will be well-positioned for success.


Lightning Web Components symbolize the evolution of Salesforce development. LWC is a framework that empowers developers to build Lightning applications by focusing on web standards, performance and interoperability. With the help of Base Lightning Components, Lightning Data Service and User Interface API developers can effortlessly create applications with features. Whether you're transitioning from Aura components or starting from scratch Lightning Web Components provides a future proof approach to Salesforce development.