Deno Newsletter

By Bartek Iwańczuk

Deno Newsletter #38 - v0.22.0 - listenTLS, Permissions API, top-level-for-await

#38・ Oct 29, 2019

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Deno Newsletter

October 29 · Issue #38 · View online

Weekly synthesis on Deno related stuff. Releases, articles, news and resources.

Welcome to Deno Newsletter issue #38!

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

Useful links:

deno.land - official Deno website
deno.land/x - module registry
gitter.im/denolife/Lobby - where Deno devs hang out
denoland/deno - main repository
denoland/deno_std - standard library repository
denoland/registry - module registry repository
denolib/awesome-deno - Deno Awesome List
twitter.com/deno_land - official Deno Twitter account
twitter.com/DenoNews - official Deno Newsletter Twitter account

Release

Deno

@deno_land

v0.22.0 released with listenTLS, web standard permissions API, and auto-generated documentation (ex: https://t.co/8RnMmrR6dc)

Get it while it's hot:
https://t.co/8kcqsq21ly

9:05 PM - 28 Oct 2019

This week Deno v0.22.0 was released with a lot of interesting changes!

feat: Use web standard Permissions API (#3200)

Example of querying and revoking permissions

Deno

deno.land – Share

Deno is a JavaScript and TypeScript runtime

feat: Deno.listenTLS (#3152)

TLS listener

feat: top-level-for-await (#3212)

Top-level-for-await

feat: Remove –no-prompt flag, fail on missing permissions (#3183)
feat: Support named imports/exports for subset of properties in JSON modules (#3210)

Named exports in JSON files

perf: faster TextDecoder (#3180, #3204)

Performance improvements in TextDecoder from 1.8s to 0.1s!

feat: Publish source tarballs for releases (#3203)
feat: Add ResourceTable in core (#3150)
feat: Re-enable standard stream support for fetch bodies (#3192)
feat: Add CustomInspect for Headers (#3130)
fix: Remove runtime panics in op dispatch (#3176, #3202, #3131)
fix: BufReader.readString to actually return Deno.EOF at end (#3191)

Full list of changes can be seen here.

As we’re getting closer to v1.0, remember to track the progress in this issue.

Documentation

Deno registry now supports autogenerated docs! Just add `?doc` at the end of URL.

Note, that docs work for standard modules, support for all registered modules is coming soon!

Sneek peek below:

https://deno.land/std/http/server.ts?doc

Talks

Deno Warsaw

@DenoWarsaw

Talks from Deno Warsaw #1 are now available on YouTube!

https://t.co/LvEvsRWB7o

#denoland #denonews @deno_land #typescript #rustlang

11:58 AM - 26 Oct 2019

HewIngram

@HewIngram

I wrangled my slides from his month's @LNUGorg into a repo for anyone who wants to have a play about with @deno_land things.

I'll add to it over time: if theres anything you want to see examples of or if you spot any mistakes, let me know!

https://t.co/6SvsnCxXIq

9:01 AM - 28 Oct 2019

Resources

GitHub - OnikurYH/deno-prettystring

github.com – Share

A deno module for format, trim and remove extra white spaces between characters. Make paragraph looks organised.

GitHub - billymoon/fiona

github.com – Share

Fiona is a tool for creating large sets of pseudo random data.

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

- Bartek