How Does TypeScript Types Narrowing Work?
Have you ever heard about TypeScript types narrowing? Have you ever seen such an error in your TypeScript code: Even tough, you really knew that…
Run Cypress Tests From NUnit Test (C#)
In one of our projects, we recently started using Cypress for end-to-end testing. Cypress executes tests written in JavaScript or TypeScript. However, we wanted to…
How To Fix JSON.NET Circular References ($ref) In JavaScript
If you work with a .NET backend that uses JSON.NET for serialization, you might encounter such weird things in the JSON result returned from a…
How To Use StrykerJS With jest And TypeScript
Continuing the topic of frontend tests with jest, we’re taking a look at StrykerJS today. Stryker Mutator is one of the most popular tools for…
How To Configure Jest Tests on TeamCity
If you are using jest to write JavaScript/TypeScript tests like this one: and you’re looking for how to show their results in TeamCity as follows:…
Migrating JavaScript React App to TypeScript
In one of our biggest projects, we develop and maintain a React web application. Last year, we decided to migrate it to TypeScript. How did…
How to Use JavaScript Component in React Component
We recently run into a problem of having to display a vanilla JavaScript component in a React component. This component exposes a static method to…