How to mock es6 modules? Solution for how ES6 modules can be mocked in Jest unit tests. Mocking es6 modules with Jest.
Mocking date in Redux Toolkit slice with jest in unit tests solution. How to solve new date isostring issue in RTK mock.
How to use Arrange Act Assert pattern in unit testing, and why it is so helpful. Arrange-Act-Assert is powerful because it is simple. By keeping the tests short and concise means clean tests.
Solution for testing that images have rendered in React using Jest. And how to test an image alt and src in jest using React. Including example code.
Solution to using WordPress shortcodes in NextJS. Replace WordPress shortcode with React Component in NextJS simply.
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.
Solution to using WordPress shortcodes in Gatsby. Replace WordPress shortcode with React Component in Gatsby simply. No MDX needed.