TypeScript Articles

We’re curious people by nature. And we love to teach others what we’ve learned. So explore our blog to gain fresh insights from our expertise in areas ranging from culture to AI.

SEP Wins TechPoint’s 2025 Exceptional Employer Mira Award

SEP Recognized as Indiana’s Top Tech Employer, Winning TechPoint’s Prestigious Mira Award Westfield, Indiana - SEP has been named Exceptional Employer by TechPoint at the 26th annual Mira Awards. This award recognizes companies that are developing talent through skills-based hiring…
Read Full Post

So Long, “beforeEach”? New Testing Pattern in JavaScript

Tests in TypeScript or JavaScript often run setup code inside hooks like “beforeEach”: Developers must take care to get the setup correct, especially in large or nested test suites. Many scopes (“describe”, “beforeEach”, “it”) read and mutate the test fixtures. The setup must reset the fixtures before each test. Test authors must be careful to […]
Read Full Post

(Mostly) Useless Lessons From Doing Math With TypeScript Types

You can interact with the source code for this article using the TypeScript playground. Throughout my experience using TypeScript, I have constantly been finding new features in the type system that I had no idea existed. At some point, I discovered that the type system was turing complete! (If we ignore the infinite memory requirement) […]
Read Full Post

Explore Our Services

Cloud

Elevate your big ideas sky-high. Migrate enterprise systems or build native cloud apps with a trusted partner like SEP.

Desktop

In the lab, on the runway, and by the hospital bed, clients trust us to craft reliable desktop software.

Embedded

We have the know-how to build secure embedded systems – whether it’s custom hardware, bare metal, or embedded Linux.

Mobile

Tackle any challenge in your app’s journey with our expertise in building cross-platform and native apps.

Web

Front-end, back-end, or end-to-end, we build incredibly rich web experiences.

Ready for what's next?

Whatever industry you’re in, our custom software development services can help you tackle your toughest challenges. Let’s develop something extraordinary together.  ›
Explore