Below is a succinct overview of what is continuous integration, delivery and deployment. The core benefit of following these practices allows developers to ship production code quicker to the user. This should help provide a quicker feedback loop.
Redux has reducers tasked with transforming the state across the application.
They are pure functions, which is a function that does not modify variables outside of its scope
or depend on them. They are given the same parameters and the output should be the same every time.