Deep Dive into LWC Local Dev Server with Single Component Preview #Salesforce #LWC #Sfdc #developers
Summary
Lightning Local Development Server lets Salesforce developers build, test, and preview Lightning Web Components (LWCs) instantly on their local machines without deploying to an org. It addresses slow deployment cycles and sandbox debugging frustrations by enabling quick previews of standalone LWCs and integration with mock data. The article guides through setup steps including installing Salesforce CLI, enabling local development in orgs and scratch orgs, installing the dev server plugin, and starting the server. It also previews a single component mode in beta, emphasizing its current limitations. This approach can significantly speed up LWC development workflows.
Takeaways
- Install Salesforce CLI and enable local development in your org and scratch org.
- Use the Local Development Server plugin to run and preview LWCs locally.
- Single component preview is supported but limited to simple components without complex adapters.
- Enable the 'enableLightningPreviewPref' setting in scratch org configuration.
- Use 'sf lightning dev app' and 'sf lightning dev component' commands to start previews.
As Salesforce developers, we’ve all experienced the frustration of slow deployment cycles, endless refreshes, and debugging directly in a sandbox. What if you could preview and test your Lightning Web Components (LWCs) instantly—without deploying to an org? Enter the Lightning Local Development Server —a game-changer that lets you build, test, and preview LWCs right on your local machine. Whether you're working on standalone components or integrating with mock data, this tool will drastically improve your development speed and experience. Prerequisites To use Local Development: Install the Salesforce Command Line Interface (CLI) Install the Local Dev Enable Local Dev How to Set It Up Setting up the Local Development Server is simple. Follow these steps: 1. Install Salesforce CLI Salesforce CLI is a command-line tool that helps interact with Salesforce from your computer. Install it from Salesforce CLI Download . 2.