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Developing in React brings its set of challenges, especially when dealing with side effects in functional components. React’s useEffect hook is a powerful tool for handling side effects, but it can sometimes be a mystery figuring out which dependency...
In the expansive ecosystem of React, hooks play a pivotal role in crafting functional components and managing their state and side effects. Among these hooks, useCallback and useMemo stand out for their ability to optimize performance, albeit serving...
The spyOn utility in Jest is incredibly versatile, enabling you to monitor, track, and even replace the behavior of functions. However, applying this to a named export from a module can be a bit tricky due to the specific parameters required by spyOn...
Whenever you need to set the initial value of the state from a function that returns a value (see below), the function will get called at every re-render even though we only need it during the initial render. const initialState = caluclateValue(props...
Photo by Pankaj Patel on Unsplash General JavaScript functions can’t be interrupted in the middle of function execution, that is, there is no interruption from the time the function is invoked until function execution completes. When we want to execu...
A short guide on how you can add Disqus to your Gatsby blog. Ever since reviving my blog I have been planning to add a discussion forum of sorts to it as well. Found Disqus as the right choice for now, although I would have gone for an open sourced a...
