March 2026
Intermediate to advanced
512 pages
11h 26m
English
Content preview from Salesforce Lightning Web Component Cookbook
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Part 4
Preparing Lightning Web Components for Production
Having gained familiarity with a variety of topics in Lightning Web Component development, we need to ensure that our components are ready for prime time. Salesforce mandates a minimum 75% code coverage in every org to deploy Apex to a production environment, with many organizations mandating coverage in the 90-95% range. You will learn how to unit test your code with mocking and stubbing, both by implementing the stub provider and utilizing the open source apex-mockery, allowing for quick and thorough testing of your Apex. You will also learn the basics of testing your LWCs with the Jest testing framework. Finally, you will become familiar with the most common types of errors in Apex ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.