Salesforce has introduced the Lightning web components or Salesforce LWC as the AURA framework previously used for Lightning Components was outdated. Salesforce Lightning Web Component is a new programming model supporting current web standards. It is a flexible framework that supports the common web standards and consists of a layer of functionalities that helps this component be the best fit for UI implementations in Salesforce. The thin layer of various services contains Lightning Data Services, Base Lightning Components, and User interface API that works on LWC.
Uses must be curious to know the future of Aura components. Aura component and LWC will be staying together, and they are a perfect match for each other. Aura and LWC communicate with each other, so users do not experience any gap in the functionalities when both the components are implemented. Users can include LWC inside AURA Component, but it is not recommended to have Aura Component inside LWC as Aura is a custom framework, whereas LWC is a generic one.
Aura and LWC share similar Salesforce essential features like Lightning Locker, Lightning Data Services, and other Lightning Components. The main difference is that Aura was built on ECMAScript 5, whereas LWC is built on ECMAScript 7 version.
LWC opens up new ways to enhance the Lightning components. But users can still use the Aura programming model to create a UI framework.
Users need to set up Salesforce DX to develop LWC and use all the functionalities to the fullest. First, programmers need to set up the developer environment with the help of a few tools like Visual Studio Code and Salesforce Command Line Interface.
Let’s have a look at the components in detail.
- It has a root tag<template> containing the HTML component.
- During rendering, the <template> tag gets replaced with <namespace-component-name>.
- To import the functions, developers can use the import statement.
- The export statement can be used to use functionality in a module.
- Lightning Element is a standard HTML element custom wrapper and can be extended.
- XML file that describes the metadata configuration values for the component.
- Developers can set <target> to deploy components for various pages such as the App page, Record page, etc.
- CSS is used to style a component.
- The style sheet is applied automatically.
Developers can try building the UI component in the VS code setup and deploy it to the org later. Developers can set up the VS code through the help of Salesforce guidelines or an expert LWC developer.
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