Category Archives : Lightning web components

Which JavaScript Libraries Work with Lightning Locker?

On May 16, 2025, Posted by , In Lightning web components,Salesforce, By ,, , With Comments Off on Which JavaScript Libraries Work with Lightning Locker?

Question Many components seem to function correctly with external libraries until Lightning Locker Service is enabled, at which point issues may arise. Which JavaScript libraries are known to work with Locker Service enabled, and where can I find a reliable source to verify compatibility? Answer Many JavaScript libraries may initially…

How to Style Inner Elements of Standard LWC Components?

On May 4, 2025, Posted by , In Lightning web components,Salesforce Technical Questions, By ,, , With Comments Off on How to Style Inner Elements of Standard LWC Components?

Question How can we target inner elements of standard Lightning Web Components with CSS? Answer In LWC, styles are scoped to the component itself, which makes it difficult to style inner elements of standard Lightning Web Components like lightning-textarea. This is because LWC uses Shadow DOM-like encapsulation to prevent styles…

Does “Confirm Email Address” in Salesforce Actually Verify Emails?

On May 2, 2025, Posted by , In Lightning web components,Salesforce, By , , With Comments Off on Does “Confirm Email Address” in Salesforce Actually Verify Emails?

Question With active bounce management, I get information like this near the email address. Using Classic, I get this additional email confirmation link. This leads me to this dialog. The “Bounce Email” dialog does not seem to exist in Lightning. And the link says “Confirm Email Address” while it really…

How to Resize the Drop Zone in lightning-file-upload?

On May 2, 2025, Posted by , In Lightning web components,Salesforce, By ,,, , With Comments Off on How to Resize the Drop Zone in lightning-file-upload?

Question I am trying to customize the size of the file drop zone in the lightning-file-upload component but have not achieved the desired result. I attempted to modify the width and appearance using CSS, but the drop zone size remains unchanged. Here is my current implementation:HTML CSS Despite applying these…

How to Handling Async Errors in LWC Record Creation?

On April 2, 2025, Posted by , In Lightning web components,Salesforce, With Comments Off on How to Handling Async Errors in LWC Record Creation?

Question The issue arises when creating a Case record and subsequently a related Case Detail record in a Lightning Web Component (LWC) used in Field Service Mobile (FSM). Approximately 5% of the time, the Case Detail record fails to be created. Debugging suggests that this is due to the way…

Why Use Static Resources for Third-Party Libraries?

On March 30, 2025, Posted by , In Lightning web components,Salesforce Technical Questions, By ,, , With Comments Off on Why Use Static Resources for Third-Party Libraries?

Question Salesforce recommends using Static Resources to upload and load third-party utility libraries in Lightning Web Components (LWC) or Visualforce (VF) pages, instead of directly referencing external libraries. This guidance is outlined in Salesforce documentation.1. Does Salesforce validate the content of a library or script when it is uploaded as…

How to Customize Colors of lightning-button?

On March 14, 2025, Posted by , In Lightning web components,Salesforce, By ,, , With Comments Off on How to Customize Colors of lightning-button?

Question I attempted to customize the colors by adding the following CSS: I then applied the my-button class to my <lightning-button> component and removed the variant attribute. However, the button still displays the default base colors.Is there a way to override the default styles for lightning-button to achieve the custom…

Why Does JSON Break SObject Equality with Decimals?

On March 6, 2025, Posted by , In Lightning web components,Salesforce Developer, With Comments Off on Why Does JSON Break SObject Equality with Decimals?

Question Why Does JSON Roundtrip Deserialization Break SObject Equality for Decimals in Apex? I’ve noticed an issue where SObject equality is broken after a JSON roundtrip when the SObject contains Decimal fields. Here’s an example: However, when the SObject does not contain Decimal fields, the equality remains intact: My Questions:…