Uploaded November 2023 | Updated September 2026, 3 weeks ago

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Here are some tips and tricks to level up your testing with Deno. Anything you want us to cover about testing or Deno in general? Let us know in the comments.

00:00 Intro
00:17 TypeScript support
00:55 deno test --watch
01:06 deno test --coverage
01:56 Typecheck documentation
02:27 Other test reporters
03:07 Running only one test or ignoring tests with .only() and .ignore()

More about testing with Deno: docs.deno.com/runtime/manual/basics/testing

Deno is a simple, modern and secure runtime for JavaScript and TypeScript that uses V8 and is built in Rust.

Website: https://deno.land
GitHub: github.com/denoland
Discord: discord.gg/deno
Twitter: twitter.com/deno_land