TypeScript Best Practices — Using Enums

TypeScript is not just about validation, It's also about structure and today, let's talk about using ENUMS to save your team unnecessary hours of debugging.

In enterprise software development, we often use Typescript to ensure our data is consistent.

But aside from using any to deceive ourselves (not the machine), we also ignore the importance of ENUMS.

Here is a scenario:

Your company is developing a food delivery software and you have 3 type of users who can sign up as demonstrated in the snippet below.

Someone in your team used Vendor, another person used vendor, you used VENDOR

That's a simple bug that can waste hours of productivity.

Solution:

Use ENUM to define the structure of your user Role. ENUM is readonly and very strict, it'll get your team members in order.

Code snippets

// Do ✅️
enum Role {
  Vendor = "VENDOR",
  Customer = "CUSTOMER",
  Rider = "RIDER"
}

const userRole: Role = Role.Admin;

// Don't ❌️
const userRole = "VENDOR"; // Very badd

// learn moteat www.stephengade.com

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