Welldone Software

Jest — How To Mock a Function Call Inside a Module

Mocking function calls within a module

useCallback Might Be What You Meant By useRef & useEffect

Sometimes we respond to React element…

Two Ways to Run Tests on Different Versions of The Same Library F.E. React 17 + React 16

React — When Should Pure Components Be Used?

React.memo / React.PureComponent usage guide

Unit Testing Styled Components

Unit testing React components isn’t always easy. In this short article i’ll show some tricks to make our…

Forced to Work From Home? Maybe It’s a Blessing in Disguise?

When working remotely, you benefit much…

An Overview of JavaScript Testing in 2020

This guide is intended to catch you up with the most…

Why Did You Render v4 Released!

TypeScript support, Custom hooks tracking (like React-Redux’s…