Create A Nodejs Api With Koa And Typescript 8 Easy Validation With Class Validator

Summary

Before we can consider persisting data off to storage, we need to ensure the data is in a known good shape. This means ... Back inside src/routes/codereviewvideos.ts, we can now start using a function that implements the IStorage interface. We have ... We're almost done here. Just one more thing to do. We're going to add in a new endpoint that allows us to DELETE individual ... We've laid all the groundwork. Now let's use our foundation and By replacing the real storage implementation with a mocked equivalent, we have managed to get a single test to a passing state. It's a really nice thing that pretty much every popular third party library out there has at least some existing type definitions. In this video, you'll learn how to We can be confident we have a valid piece of data if we haven't already returned an error to the Before going much further, bringing Jest / testing in to the mix is a good idea. Start off early with testing, and you (or I) am much ...