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 In this video, you'll learn how to It's a really nice thing that pretty much every popular third party library out there has at least some existing type definitions. By replacing the real storage implementation with a mocked equivalent, we have managed to get a single test to a passing state. 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 ...