Posts From Spence DiNicolantonio

React 18 is here! The latest release, including optimizations and a few new features, is now available on NPM. Here’s what’s new…

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The following pattern is fairly common in other technologies:

  try {
    doSomethingRisky();
  } catch (Exception e) {
    logException(e);
    throw e;
  }

This won’t work in salesforce. By rethrowing the exception (assuming it’s not caught further up the call stack), the database transaction will be rolled back - that includes whatever insert or update ws triggered in logException(e). So how do we ensure that the logging occurs in a separate database transaction? The answer is a platform event!

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Conditional rendering in React is pretty straightforward and we do it everywhere. In some cases, though, a tiny abstraction can clean up our code and keep us from repeating ourselves. Here’s a simple Higher Order Component (HOC) for conditionally rendering a component or fragment if-and-only-if it has children.

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Apex leaves much to be desired when it comes to mocking callouts to external services. Use of the HttpCalloutMock interface requires that a test author configure mock responses for ALL callouts made through the course of a test’s processing, and this can be quite unmanageable in large or complex projects. There must be a better way… Enter the HTTP Mock Registry.

Frustrated with messy tests and abstraction leaks, we’ve devised a utility that provides a intuitive interface for mocking callouts declaratively as well as a foundation for more modular test suites whenever callouts are involved.

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The ability to mock out components is essential to writing quality tests, especially when you’re dealing with integrations or external API invocation. And let’s face it - the out-of-the-box Stub API provided in Apex is just plain awful. Here’s a lightweight utility I threw together to simplify mocking.

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