Check out all our TypeScript tutorials.
While working on a TypeScript project, I needed to utilize elements such as API keys, database URLs, and feature flags. At first, I thought I could simply add them directly into my code, but that proved difficult, especially when switching between development and production. While searching for a better way to manage environment variables in … Read more >>
Recently, I was working on a large TypeScript project where I needed to share data across multiple files without having to pass it through numerous function parameters. The solution was to use global variables in TypeScript. While global variables are sometimes considered bad practice, there are legitimate use cases where they can significantly simplify your … Read more >>
In this tutorial, I will explain the intricacies of TypeScript enum naming conventions. By the end of this post, you’ll understand how to name your enums effectively, making your code more readable and maintainable. Enums, short for enumerations, are a feature in TypeScript that allows you to define a set of named constants. These constants … Read more >>
In my recent TypeScript project, I’ve used switch statements whenever I need to handle multiple values of a single variable, like checking state codes, user roles, or order statuses. It helps me avoid repeating the same if-else statements in my code. I prefer switch statements when I know the variable can take on a fixed … Read more >>
When I started working on data structures in TypeScript, I had to use objects with dynamic string keys, like user names or settings. Initially, I used basic object types, but this approach made it easy to miss errors or use incorrect values. Later, I found out about TypeScript features like mapped types and the keyof … Read more >>
When working on asynchronous JavaScript applications with TypeScript, I often need to introduce deliberate delays in code execution. Whether it’s for rate limiting API calls, creating animations, or simulating network latency during testing, a sleep function becomes indispensable. In this article, I’ll share multiple ways to implement a sleep function in TypeScript based on my … Read more >>
Recently, I was working on a React project that required adding TypeScript to enhance type safety. After installing TypeScript and configuring the project, I encountered an annoying error: “Cannot find module TypeScript.” This error can be frustrating when you’re trying to compile your TypeScript code or use TypeScript-related tools. Despite having TypeScript installed (or so … Read more >>
Recently, I was working on a large TypeScript project with my team. Since many of us were working on the same codebase, some teammates struggled to understand parts of the logic. This highlighted the importance of clear comments for seamless team collaboration. By adding simple, clear comments above complex code and using TODO notes where … Read more >>
When working with TypeScript, I often encounter situations where I need to temporarily ignore type checking for specific lines of code. It is generally required when I’m working with a third-party library that doesn’t have proper type definitions, or I have to do complex refactoring and need to suppress errors temporarily. In this article, I’ll … Read more >>
While building a TypeScript project, you receive an object from an API or a function. You want to check the type of object during development to debug or better understand your code. Since TypeScript types are not available at runtime, you need a way to print helpful type-related information using typeof, instanceof, or by logging … Read more >>
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