Tutorials

Creating a new fully featured React application using Create React App v3 is as easy as two NPM commands $ npm i -g create-react-app + create-react-app@3.0.1 $ create-react-app my-new-app Then switch to the new folder my-new-app and run npm start or yarn start - the application will be transpiled, a…

If you live on the bleeding edge of browser technology, you are probably excited about new standard modules that soon (might) come built-in to modern browsers.…

Imagine a typical web application during end-to-end testing. The test runner (in this case Cypress.io) is driving the app via its DOM elements; it is clicking and typing and scrolling. The test runner checks if the application behaves correctly by explicitly executing assertions against the displaye…

This blog post shows how to shrink untestable code and pushes it to the edges of the applications. The core of the web application will remain easy to check from our tests, while external effects can be observed or stubbed. The Cypress.io test runner has limitations. For example, when controlling th…