Deno Newsletter #31 - v0.16.0, deno test, support for .d.ts files

Welcome to Deno Newsletter issue #31!

Every Monday we serve you with a bunch of useful information and links for every Deno enthusiast.

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Last week v0.16.0 was released. This is a big release that includes some of long awaited features!


  • feat: "deno test" subcommand (#2783, #2784, #2800) - automagically run all test in current directory
  • feat: support .d.ts files (#2746) - provide type definitions to JavaScript files
  • feat: implement console.trace() (#2780) - print out stack trace along with arbitrary data
  • feat: support custom inspection of objects (#2791) - add method to class declaration using "Deno.customInspect" symbol for custom serialization for console
  • fix: dynamic import panic (#2792)
  • fix: handle tsconfig.json with comments (#2773)
  • fix: import map panics, use import map's location as its base URL (#2770)
  • fix: set Response.url (#2782)

Standard library:

Full list of changes can be found here

Thanks for reading and stay tuned for more news next week!

- Bartek

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