Postman allows you to manually test your APIs in both its desktop and web-based applications. However, it also has the ability for you to automate these tests by writing JavaScript assertions on your API endpoints. In this article, Kelvin Omereshone will learn how to write automated tests on web APIs with Postman. In order to follow along to this tutorial, you’ll need at least a fair amount of familiarity with Postman.
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A component library helps to keep a design consistent across multiple projects. It ensures consistency because any changes made will propagate across the projects that make use of it. In this tutorial, Ademola Adegbuyi will show you how to build a component library, using Emotion in React to resolve inconsistencies. At the end of this piece, you should be able to create a component library that fits whatever use case you have in mind!
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Vue Router is the official router for Vue that is mostly used for creating multiple pages living on different routes (/home, /profile) in your application but has some features that some people do not know about. In this tutorial, Timi Omoyeni is going to show you some amazing features the Vue Router has and how we can make use of them in our app. You can find all the code used in this article on GitHub. If you are interested in doing more with the router, you’ll benefit from this tutorial.
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Ever wanted to have a comments section for your blog, but were overwhelmed by the high cost and maintenance solutions? Firebase can be your savior. In this guide, Aman Thakur will show you how to add a comments section to your blog with Firebase, while learning the basics of Firebase on the way. Let’s build a super-simple comments section.
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Props and PropTypes are an important mechanism for passing information between React components, and we’re going to look into them in great detail here. This tutorial will introduce you to the details about props, passing and accessing props, and passing information to any component using props. However, it’s always a good practice to validate the data we are getting through props by using PropTypes. So, you will also learn how to integrate PropTypes in React.
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You can get by in NodeJS without properly handling errors but due to the asynchronous nature of NodeJS, improper handling or errors can cause you pain soon enough. This article is for JavaScript and NodeJS developers who want to improve error-handling in their applications. Kelvin Omereshone explains the error class pattern and how to use it for a better, more efficient way of handling errors across your applications.
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You might be wondering, “Why should I use this instead of the alternatives?” Sapper is based on Svelte, which is known for its speed and relatively small bundle size. In a world where performance plays a huge role in determining an effective user experience, we want to optimize for that. In this article, Daniel Madalitso Phiri will take you through how to build a Svelte-powered static blog with Sapper and Strapi, as well as how to deploy the website to Netlify. You’ll understand how to build a static website, as well as use the power of a headless CMS, with a real-world example. So, let’s get started building our minimal blog, starting with our Sapper front end.
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Redux is a robust state-management library for single-page JavaScript apps. It is described on the official documentation as a predictable state container for Javascript applications and it’s fairly simple to learn the concepts and implement Redux in a simple app. Going from a simple counter app to a real-world app, however, can be quite the jump.
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Ever tried interacting with a GraphQL server in a client-side application and felt like giving up even before getting anywhere? Ever declined an invitation to join a code base that requires working with GraphQL API because you had no idea? Ever felt like the only front-end engineer who hasn’t learned how to consume GraphQL APIs? If you answered yes to any of these questions, then this tutorial is for you. We’ll be taking a closer look at a few basics of GraphQL and Apollo Client, as well as how to work with both of them. By the end, we’ll have built a pet shop app that uses Apollo Client. Then, you can go on to build your next project.
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Styled components are “visual primitives for components”, and their goal is to give us a flexible way to style components. The result is a tight coupling between components and their styles. While the component-driven approach has ushered in a new frontier in the way we build web applications, it isn’t without its imperfections — one being its usability and scalability with CSS. This has given birth to a new way to construct and manage our styles in a component-specific manner, otherwise knows as CSS-in-JS.
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