You're reading from React 18 Design Patterns and Best Practices - Fourth Edition

Product typeBook

Published inJul 2023

Reading LevelExpert

PublisherPackt

ISBN-139781803233109

Edition4th Edition

Languages

JavaScript

Tools

React

Concepts

Front End Web Development

Author (1)

Carlos Santana Roldán

Enums

Enums are one of the few features TypeScript has that is not a type-level extension of JavaScript. Enums permit a developer to define a set of named constants. Using enums can make it easier to document intent or create a set of distinct cases.

Enums can store numeric or string values and are normally used to provide predefined values. Personally, I like to use them to define a palette of colors in a theming system, as follows:

Table Description automatically generated

Figure 2.4: Enums used for color palette

Moving on to another useful feature of TypeScript, let’s explore namespaces.

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Author (1)

Carlos Santana Roldán

Carlos Santana Roldán is a senior web developer with more than 15 years of experience. Currently, he is working as a Principal Engineer at APM Music. He is the founder of JS Education, where he teaches people web technologies such as React, Node.js, JavaScript, and TypeScript.
Read more about Carlos Santana Roldán

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