Originally posted on dev.to

In this article, I’ll focus on showing how to add, edit and remove items in an array causing mutation and non-mutation ways.

One thing we need to keep in mind when writing code avoiding mutation is to return a new reference to the data after the update.

It’s a common approach when working with functional programming and if you want to understand some concepts of functional programming I recommend you read this article I wrote some time ago.

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Let’s discuss a structure to start new projects or when you need to scale large projects.

We will use React Native as a basis for this architecture, but the concepts can be leveraged in projects using other frameworks.

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