Tutorials on Typescript

Learn how to create a custom Typeform-style survey with Replit Agent, an advanced AI-coding agent, and Notion, a popular productivity note-taking application. This step-by-step guide teaches you how to go from an initial idea to an animated, conversational survey form in minutes, regardless of skill level.

When dealing with user interactions, you often need to handle some user events like mouse clicks, keyboard input, etc. Unlike with mouse events, TypeScript doesn't provide type declarations for an InputEvent. However, you can use KeyboardEvent for tracking keypresses: ...ChangeEvent for tracking…

When dealing with user interactions, you often need to handle some user events like mouse clicks, keyboard input, etc. To handle mouse event in React you can use MouseEvent type to declare types on handler event argument: You can specify the element on which an event is being handled. It improves…

This article will provide a mildly thorough comparison of TailwindCSS vs. Bootstrap to help you determine the more suitable framework for your web development needs. TailwindCSS: As a utility-first CSS framework, TailwindCSS enables developers to construct custom designs without writing bespoke…

In the dynamically progressing tech industry of today, staying relevant requires developers to be well-versed with the most recent tools and technologies. A combination that's experiencing a surge in popularity and demand is React combined with TypeScript. Any developer aspiring to secure a…

Type safety is a critical feature of TypeScript that aids in preventing runtime errors and boosting developer productivity. In this article, I will dive into how tRPC, a TypeScript RPC framework known for its type safety, builds upon this feature. I’ll be discussing the fundamental concepts of…

Are you an aspiring React developer aiming to boost your skills and learn to use and construct custom React hooks with TypeScript? Your quest ends here! In this introductory guide, we will dive into the dynamic world of React hooks coupled with TypeScript, and how they can prop up your development…

Are you a React developer interested in enhancing your skill set with TypeScript? Or perhaps you're a beginner in React and are keen to explore how TypeScript can be utilized for intricate patterns? Fear not! This article is for both beginners and seasoned React developers alike.

This article will dive into a development stack that is gaining traction due to its robustness and adaptability. We'll explore what sets this stack apart from well-established stacks like MEAN and MERN, and why developers should consider its adoption. The cutting-edge stack we're exploring…

Welcome to this introductory guide on leveraging tRPC for full-stack development. With TypeScript's increasing popularity, tRPC has surfaced as a modern standard that empowers developers to achieve automatic type safety, an optimized developer experience, and exceptional compatibility with existing…

Are you ready to dive into the world of powerful database management with PostgreSQL and NodeJS? This guide is designed for beginners who want to understand how to use PostgreSQL in their NodeJS projects. Whether you're new to databases or looking to expand your skills, this tutorial will help you…

In this article, we will create a data visualization that displays the ratio of Dunkin’ Donuts locations to Starbucks locations (by state) using D3 and Svelte. Which of America’s largest coffee chains keeps your state awake and ready for the 9-5 workday?

In this article, we will create a data visualization that animates the changes in the stargazer counts of popular front-end library/framework GitHub repositories over the past 15 years. Which front-end libraries/frameworks currently dominate the web development landscape? Which front-end libraries/frameworks used to dominate web development landscape?

In this article, we will create a data visualization that displays the frequency of words in the lyrics of a song under the Billboard Hot 100 list, Vampire, by Olivia Rodrigo, using D3 and Svelte. Which words do you think catapult a song to the Billboard Hot 100 list?

The useCallback hook returns a memoized callback that only changes if one of the dependencies has changed. This helps us to avoid unwanted and unnecessary components re-renders. The basic syntax for the useCallback hook is: You don't need any additional typings since TypeScript knows that…

The main problem with fetch function is that it isn't a generic function. This makes it harder to type response data without writing additional wrappers. We can create a wrapper-module to avoid this problem. Let's create a function request that will handle network requests:

In this article, we will learn how to use urql to consume a GraphQL API in a Next.js SSR app.

In this article, we will learn how to build an XY line chart with custom annotations using visx and React.

Disclaimer - Please read the fourth part of this blog post here before proceeding. It demonstrates how to statically generate pages with dynamic routes using the getStaticPath() function. If you just want to jump straight into this tutorial, then clone the project repository and install the…

Disclaimer - Please read the third part of this blog post here before proceeding. It walks through image optimization in a Next.js application with the component of next/image and Blurhash, an algorithm that generates beautiful, lightweight, canvas-based placeholder images. If you just…

Disclaimer - Please read the fifth part of this blog post here before proceeding. It covers how to efficiently build a Next.js application with a single access token that can be used across all getStaticProps() and getStaticPath() functions. It also covers how to export a Next.js application to…

Disclaimer - Please read the second part of this blog post here before proceeding. It explains the different data-fetching techniques that Next.js supports, and it guides you through the process of statically rendering a Next.js application page that fetches data at build time via the…

Many of today's most popular web applications, such as G-Mail and Netflix, are single-page applications (SPAs). Single-page applications deliver highly engaging and exceptional user experiences by dynamically rendering content without fully reloading whole pages. However, because single-page…

Last time we used Redux Toolkit to create a todo app. Since RTK is considered to be the standard way to write redux applications, we will use thunks with Redux Toolkit to write asynchronous logic as well. Thunks are a way to manage side effects when working with Redux. For instance, when we want to…

The Redux Toolkit package is intended to be the standard way to write Redux logic. It simplifies the store creation and decreases the amount of boilerplate code. Let's rewrite the application we wrote in one of the earlier posts from scratch to see what will change. First of all, we need to create…

In @types/react v18, the implicit children prop was removed from the FC type. According to a pull request for @types/react, this prop was supposed to be removed in @types/react v17, but was postponed to @types/react v18 so that developers can easily upgrade their React applications to v17 with few…

Consider the following TypeScript code snippet: Let's assume that the list of cars is fetched from a remote API service. In this TypeScript code snippet, we... However, there are two problems with this TypeScript code snippet:

The Fullstack React with TypeScript Masterclass is now live! 🎉 This Masterclass teaches you practical React and TypeScript for developing apps from idea to completion, along with all the important tools in the React ecosystem. It expands on the material taught in our comprehensive book, Fullstack…

Disclaimer - Please read the second part of this blog post here before proceeding. It walks through the steps taken to update a UI optimistically with Apollo Client. However, it does not discuss how to elegantly handle failed mutations, which, by default, automatically undo optimistic updates made…

Disclaimer - Please read the first part of this blog post here before proceeding. It walks through the initial steps of building a messages client that fetches messages from a GraphQL API server. If you are already familiar with the basics of Apollo Client, and only want to know how to update a UI…