Check out all our TypeScript tutorials.
Have you ever worked on a feature where you needed to group records by year? I recently faced this while building an internal dashboard using TypeScript for tracking employee onboarding. I was working on an employee management module built with TypeScript, where each employee’s joining date was stored in the system. My task was to … Read more >>
While building an e-commerce admin dashboard in TypeScript, you define an enum called ProductCategory to manage all category types consistently across your app. This enum helps when filtering, tagging, or assigning categories to products during development. However, fetching product data from an external API returns only the category value (not the enum key). So, in … Read more >>
While working on a feature to send timed reminders, I needed to add a few minutes to a given date in my TypeScript app. For this, I first tried using the built-in setMinutes method, but soon realized it could lead to issues when reusing the original date object. I explored other approaches to avoid this … Read more >>
While developing an online shopping application, a developer needs to manage different order statuses, such as Pending, Shipped, Delivered, and Cancelled. To keep the code clean and consistent, they create a TypeScript enum called OrderStatus and use it inside a class named Order. In this tutorial, we will learn how to effectively use TypeScript enums … Read more >>
While building an e-commerce application in TypeScript, you might define a ProductCategory enum for valid categories like ‘electronics’, ‘clothing’, and ‘food’. When receiving data from a user or an API, it’s important to check if the provided category actually exists in the enum. This prevents invalid values from being processed or stored. This ensures your … Read more >>
While working on a recent feature that displayed important dates in a user-friendly format, I encountered an issue. The ISO date string, like “2025-07-04T00:00:00.000Z,” was showing up as July 3 instead of July 4 in the UI. At first, it seemed like a simple formatting issue, but it turned out to be a classic time … Read more >>
Suppose you’re building an admin panel for a web app where users can have one of several roles, such as admin, editor, or viewer. You receive the user role from a backend API as a string, and you want to check whether this string is a valid role according to your enum before using it … Read more >>
When I was working on a TypeScript project recently, I got a requirement to show dates from a system that sent me big numbers like 1623456789000. These numbers are called timestamps, and they represent a date and time, but in a format that’s hard to read. In this blog, I will show you how to … Read more >>
Avoiding duplicate enum values in TypeScript is important to maintain clarity and avoid unexpected behavior when using enums. Here’s a realistic scenario showing how duplicate values can cause problems and how to avoid them. In this tutorial, we will learn how to avoid duplicate Enum values in TypeScript, how duplicate enum values can lead to … Read more >>
Have you ever seen your app behave strangely just because someone entered the wrong date? For example, a user might type “2025-02-30”, which is not even a real date or the used date format is not valid for the app’s date settings. These small issues can cause big problems if we don’t handle them properly. … Read more >>
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