How to mock a React component in a jest unit test. Example of how to mock a default or named component using React Testing Library.

Examples of how to use within in Jest and React Testing Library to target a specific section of the component. Restrict Jest queries to a particular element. Inside the context of a DOM node.

Using React MUI DatePicker dynamically lazy load date-fns locale files for localization. Reduce page size, speed up load time. Full working example and how to solution. Import locale files from date-fns.