Hands-On Design Patterns with React Native

Learning the basic types

To get the most out of TypeScript, you should type as much code as possible. However, our application did not have types before. In the case of a large application, you obviously cannot suddenly add types everywhere. Hence, we will gradually increase application type coverage.

TypeScript's list of basic types is quite long—Boolean, number, string, array, tuple, enum, any, void, null, undefined, never, and object. If you are unfamiliar with any of the them, then kindly please check the following page: https://www.typescriptlang.org/docs/handbook/basic-types.html.

To start, let's look at one of the components that we used:

import PropTypes from 'prop-types';export const NavigateButton = ({    navigation, to, data, text ...