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Server Side OFFSET-Free Lazy Loading (Keyset Pagination) With Infinite Scroll In Salesforce LWC
Introduction When building modern Salesforce Lightning Web Components (LWCs), one essential UX feature is lazy loading (or infinite scrolling). It helps load data incrementally as users scroll — improving performance, reducing query load, and creating a smooth user experience. Most tutorials and sample code rely on SOQL’s OFFSET keyword. This approach introduces serious scalability issues.…
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How to Download Attachment Or Files Using Lightning Web Components (LWC) in Salesforce Lightning Experience (LEX)
Introduction File handling is an essential part of many Salesforce applications, especially when working with records like Accounts, Opportunities, or Cases. Salesforce developers frequently implement file download features in Lightning Web Components (LWC). They do this when downloading an file from a record or fetching content from an external system. In this blog, we’ll explore…
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Building Reusable and Configurable Lightning Web Component (LWC) For Salesforce Experience Cloud / Communities,Using Chart.js as an Example
Introduction We often build Lightning Web Components (LWC) as Salesforce developers to deliver interactive features. However, configuring them for non-technical admins usually requires editing code. What if admins could adjust properties like chart type, title, or data filters directly in Community Builder? In this post, you’ll learn how to build an LWC using Chart.js that…
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Generating Word Documents in Salesforce Lightning Web Components (LWC) Using docx.js
Introduction In today’s digital era, document generation is an essential feature for many applications, including Salesforce. The ability to dynamically create Word documents can significantly enhance user experience. This includes exporting reports. It also involves generating invoices and creating custom templates. This blog explores how to generate Word documents using the docx.js library in a…
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How to Do Client Side JS Custom Validations in Salesforce Lightning Web Components (LWC)
Introduction Validation is essential to ensure data correctness and user-friendly error handling. In Lightning Web Components (LWC), the core methods used for field validation are setCustomValidity, checkValidity, and reportValidity. This blog explains these concepts before diving into a practical Parent-Child LWC example. Understanding Validation Methods 1. setCustomValidity Example: 2. checkValidity 3. reportValidity Example Scenario: Parent-Child…
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Using Leaflet Map in Lightning Web Components (LWC)
Introduction Leaflet is a lightweight, open-source JavaScript library for interactive maps. It provides an easy way to integrate maps into web applications. It offers powerful features such as markers, layers, and custom styling. In this blog post, we will explore the use of the Leaflet library in a Lightning Web Component (LWC). We will show…
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Understanding the Difference: VisualForce vs Lightning Web Components DOM Behavior
When working with web development in Salesforce, developers often transition from Visualforce (VF) to Lightning Web Components (LWC). They encounter subtle differences. These differences affect how the DOM (Document Object Model) behaves. These subtle differences are impactful. A common question arises. Why does a static html element like <div> in Visualforce update automatically when manipulated…
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Integrating Visualforce and Lightning Web Components (LWC) with Dynamic Script Loading
In this blog, we will explore a powerful scenario. A Visualforce page dynamically loads an external JavaScript library. It defines a global method and passes it to a Lightning Web Component (LWC) using Lightning Out. The LWC can then invoke this method, optionally passing parameters, to generate dynamic responses. This use case demonstrates seamless interoperability…
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Understanding Lifecycle Hooks in Lightning Web Components (LWC): A Developer’s Guide
Lifecycle hooks in Lightning Web Components (LWC) are critical for controlling component behavior during creation, rendering, and destruction. Understanding these hooks ensures efficient resource management, optimal performance, and robust error handling. In this post, we’ll explore each lifecycle hook, provide real-world examples, and discuss their pros, cons, and use cases. A lifecycle hook is a callback method…
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Exploring Lazy Loading Techniques in Lightning Web Components (LWC): A Comprehensive Guide
Introduction In LWC, lazy loading can be implemented using server-side Apex or client-side JavaScript. It can be combined with either HTML tables or Lightning Datatable components. This guide explores four approaches, their unique features, trade-offs, and high-level implementation strategies. Unified Interaction Patterns: Scroll Bar vs. Load More Button Before diving into implementation methods, let’s explore…
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