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React useContext: How to Update Context from Child Component
4 min readOct 5, 2019
Why useContext
- empowers functional components
- an alternative to using Redux
- allows you to avoid “props-drilling”, which means that if you have a deep nesting of your components, you won’t have to pass the props all that way down
Context is well explained in the official React documentation, so I decided to go with rather a practical example.
Source Code Files Structure
- header.component
- welcome.component, which is basically a main page.
- library.component — an empty component created solely for demonstration purposes.
- containers/app-layout.component has a purpose of ‘structuring’ the…
