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Posts by Erik Onarheim

Promotional poster: Aspire Conf "TypeScript and Aspire" talk.

Type Safety for Your Dev Experience

March 23, 13:30 PDT | 20:30 GMT

Josh Goldberg
Senior Frontend Developer
Sentry

Promotional poster: Aspire Conf "TypeScript and Aspire" talk. Type Safety for Your Dev Experience March 23, 13:30 PDT | 20:30 GMT Josh Goldberg Senior Frontend Developer Sentry

Heyall I'm going to be speaking remotely at @aspire.dev's AspireConf on the 23rd about TypeScript and Aspire!

C# devs are used to types on the backend. They're a bit different, and just as awesome, on the frontend. We'll see how TypeScript types work in an Aspire app. ๐Ÿค

aspire.dev/aspireconf

3 weeks ago 19 4 0 0
Diving Into the TS 6.0 Beta Announcement | Read Along | Ep 55B
Diving Into the TS 6.0 Beta Announcement | Read Along | Ep 55B Follow along as we dive into the Announcing TypeScript 6.0 Beta blog post and cover all the breaking changes and deprecations you can expect! Recommended - Typed Rocks:โ€ฆ

Our first vodcast is out! ๐Ÿค˜ This was originally cut from the news episode this week but we dive into the Announcing TS 6.0 Beta blog post and go through each of the changes you can expect with our commentary.

youtu.be/l1PAgmFtvcw

#TypeScript

1 month ago 15 5 0 0
ExcaliburJS Behavior Tree Editor

I just posted to my GameDevLibrary my new Behavior Tree builder tool, which utilizes my custom BT tree components for ExcaliburJS. These are great for creating NPC or enemy logic trees for your games.

github.com/jyoung4242/G...

#gamedev #indiedev @excaliburjs.com

bt-builder.vercel.app

1 month ago 12 4 0 0

Get hyped for Global Game JAM 2026 @2dcon.gg HQ!

@igdatc.bsky.social is organizing an in person event this weekend ๐ŸŽ‰

Have you ever wanted to make a game? Let's make some games together! It's the best way to learn and improve!

Check this link for all the info igdatc.org/ggj

#gamedev #minneapolis

2 months ago 19 5 0 0
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Everything is a route โ€“ one interface for servers, static sites, and assets | Mastro Blog Use the standards-based Request/Response-API not only for writing your server, but also for static site and asset generation.

How can a complete web framework be ~700 lines of TypeScript? For one, everything is a route in Mastro.

2 months ago 6 1 1 0

npmx

don't tell anyone

๐Ÿคซ

2 months ago 135 12 15 5
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News | Ep 53 | TypeScript.fm - The Friendly Show for TypeScript Developers | Episode 53 News for the week of January 19, 2025: Rolldown reaches 1.0 release candidate, and a PDF library we all deserve. From the community: a better npm admin experience, supertype safety, and modern package.json...

Today on the pod: Rolldown 1.0 RC, LibPDF for TS devs, import attributes in .d.ts files, Lodash security update, & supertype safety tips!

share.transistor.fm/s/16226fb6

#typescript

2 months ago 14 6 1 0

I have so much fun with Excalibur!!!

2 months ago 3 2 0 0

Mine knows a lot about the video game industry ๐Ÿ˜…

2 months ago 1 0 0 0
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Report on the current state of Web Game Development in 2025 is out! - Gamedev.js Results of the Gamedev.js Survey 2025 conducted last month were finally published - weโ€™ve received a total of 445 filled surveys, which is a solid amount given the form was open for only 11 days in De...

#Gamedevjs #Survey 2025 #Report about the current state of #Web #Game #Development was published! ๐ŸŽ‰

gamedevjs.com/survey/repor...

Direct link: gamedevjs.com/survey/2025/

You can download the PDF already.

#gamedev #indiedev #indiegames #results #games #engines #tools

2 months ago 10 5 0 1
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CEOs Say AI Is Making Work More Efficient. Employees Tell a Different Story. How much time workers say the technology saves them on the job is vastly different from what executives report.

The disconnect between management and employee on AI usage is big. At the same time, CEOs are reporting they aren't seeing any revenue growth from AI.

๐Ÿคท

www.wsj.com/lifestyle/wo...

2 months ago 2682 791 16 254
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Rolldown 1.0 RC is here ๐ŸŽ‰

๐Ÿ”’ Stable API: No breaking changes planned before 1.0
โšก 10-30x faster than Rollup while staying compatible
๐Ÿงฉ Multiple chunking algorithm improvements
๐Ÿ“ฆ 3,400+ commits since beta: 749 features, 682 fixes, 109 perf optimizations

2 months ago 209 40 4 5

I feel attacked

2 months ago 4 1 0 0
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Astro is Skyward Bound, Stable require(esm), and Temporal Finally Ships | News | Ep 52 | TypeScript.fm - The Friendly Show for TypeScript Developers | Episode 52 News for the week of January 12, 2025: Astro finds a new home, Chrome ships Temporal API, and latest Node marks require(esm) as stable. From the community: type-safe UI, how TypeScript differs at dev-time...

Today on the pod: Astro joins Cloudflare, Chrome ships Temporal API, and Node.js stabilizes require(esm). Plus community highlights on type-safe UI patterns and Deno's impressive performance!

share.transistor.fm/s/fc51d6e6

#typescript

2 months ago 7 2 1 0
Gamedev Meeting (January 2026) - Scott Lembcke (Transforms 101)
Gamedev Meeting (January 2026) - Scott Lembcke (Transforms 101) YouTube video by IGDA Twin Cities

Scott Lembcke (mastodon.gamedev.place/@slembcke) is doing a talk tonight live for IGDATC! At @2dcon.gg HQ!

Transforms 101: Demystifying Matrices with Pictures!
www.youtube.com/watch?v=dnGZ...

#gamedev #math

2 months ago 10 2 0 0
Gamedev Meeting (January 2026) - Scott Lembcke (Transforms 101)
Gamedev Meeting (January 2026) - Scott Lembcke (Transforms 101) YouTube video by IGDA Twin Cities

Game Dev Alert! Friend of mine Scott Lembcke (mastodon.gamedev.place/@slembcke) is doing a talk tonight live for IGDATC!

Transforms 101: Demystifying Matrices with Pictures!
www.youtube.com/watch?v=dnGZ...

#gamedev #math

2 months ago 5 2 0 0
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Node.js โ€” Tuesday, January 13, 2026 Security Releases Node.jsยฎ is a free, open-source, cross-platform JavaScript runtime environment that lets developers create servers, web apps, command line tools and scripts.

We appreciate your patience and understanding as we work to deliver a secure and reliable release.

Updates are now available for the 25.x, 24.x, 22.x, 20.x Node.js release lines to address:

- 3 high severity issues
- 4 medium severity issues
- 1 low severity issue

nodejs.org/en/blog/vuln...

2 months ago 65 26 1 2
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ECMAScript excitement ๐Ÿ˜‰

๐Ÿšจ๐Ÿšจ๐Ÿšจ IT'S ABOUT TIME! ๐Ÿšจ๐Ÿšจ๐Ÿšจ

Congrats to @manishearth.bsky.social on shipping the Temporal API in Chrome 144 stable today ๐ŸŽ‰

developer.chrome.com/blog/new-in-...

Temporal is the replacement for the Date API.

2 months ago 103 25 3 4
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Node.js โ€” Tuesday, January 13, 2026 Security Releases Node.jsยฎ is a free, open-source, cross-platform JavaScript runtime environment that lets developers create servers, web apps, command line tools and scripts.

PSA: Update your Node installations immediately. We will discuss this more on today's episode which will drop later today.

nodejs.org/en/blog/vuln...

2 months ago 3 1 0 0
The most-nominated Games for the 2026 IGF Awards.

The most-nominated Games for the 2026 IGF Awards.

Baby Steps, Blippo+, and Titanium Court received the most nominations.

The winners will be revealed on March 11, 2026 at the IGF Awards Ceremony at @officialgdc.bsky.social.

We'll be there in person to cheer on all the nomineesโ€”but you can watch at home on twitch.tv/GDC

3 months ago 33 4 0 0
GopherCon 2025: Porting the TypeScript Compiler to Go for a 10x Speedup V2 - Jake Bailey
GopherCon 2025: Porting the TypeScript Compiler to Go for a 10x Speedup V2 - Jake Bailey YouTube video by Gopher Academy

My GopherCon talk was just posted!

3 months ago 79 19 2 2
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๐Ÿฅณ TypeSlayer is out! celebrate by posting what your type graph looks like! it legit has an actual leaderboard now: so bonus points if you win lol ๐Ÿ†๐Ÿ†

run: `npx typeslayer`

source: github.com/dimitropoulo...

3 months ago 82 22 2 3
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Event-driven gameplay, reflecting, and Hexstorm Check out issue #626 of Gamedev.js Weekly โ€” the free, weekly newsletter about web game development.

Issue #626 of Gamedev.js Weekly newsletter about event-driven gameplay, reflecting, and Hexstorm is out - go check it!

gamedevjsweekly.com/626

#HTML5 #JavaScript #gamedevjs #gamedev #weekly #newsletter #excaliburjs

3 months ago 6 3 0 0
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What Flint Does Differently [Experimental] A fast, friendly linter. โค๏ธโ€๐Ÿ”ฅ

๐Ÿ“ฎ What Flint Does Differently

Flint is an experimental linter. It intentionally revisits many of the core design decisions from other popular web linters.

Please enjoy this medium dive how Flint's intentionally deviating from other linters and trying new things. โค๏ธโ€๐Ÿ”ฅ

www.flint.fyi/blog/what-fl...

3 months ago 55 7 1 0

This one was fun to do!!!

#indiedev #gamedev

3 months ago 11 2 0 0
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Event-Driven Gameplay in ExcaliburJS | Excalibur.js A Primer on Excalibur Event Emitters

Happy New Year!

As a present ๐ŸŽ learn how to use STRONGLY TYPED events in game dev from @mookie4242.bsky.social

excaliburjs.com/blog/Event%2...

#gamedev #typescript

3 months ago 11 2 0 1
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GitHub - bellard/mquickjs: Public repository of the Micro QuickJS Javascript Engine Public repository of the Micro QuickJS Javascript Engine - bellard/mquickjs

Micro QuickJS is a new JavaScript engine by the famous Fabrice Bellard ๐ŸŽ‰

๐Ÿ“– Written in C
๐Ÿ—œ๏ธ Uses 100 kB ROM
โš ๏ธ Supports a subset of JS close to ES5
๐Ÿ Runs programs in as little as 10 kB of RAM
๐Ÿ”ฅ Speed is comparable to the full QuickJS engine

github.com/bellard/mqui...

3 months ago 45 9 3 0
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Excalibur Playground Excalibur is a friendly TypeScript game engine for the web!

๐ŸŽ„๐ŸŽฎ Excalibur.js v0.32.0 is here! This release is all about DX and perf

โœจ Highlights:
Debug improvements via browser extension
Major perf boosts for tilemaps, offscreen entities
Physics bodies now sleep for better perf
Simpler easing functions

Try it in our playground: excaliburjs.com/playground

3 months ago 3 3 1 0
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Gamedev.js Survey 2025 is open! - Gamedev.js The fifth year of collecting YOUR feedback through Gamedev.js Survey, which shape the current state of Web Game Development report, is on - this time the form is open between December 8th and 19th. Th...

Last day to fill out the survey gamedevjs.com/survey/gamed...

Please take a chance to do it!

#gamedev #javascript #typescript

3 months ago 4 3 0 0
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Gamedev.js Survey 2025 is open! - Gamedev.js The fifth year of collecting YOUR feedback through Gamedev.js Survey, which shape the current state of Web Game Development report, is on - this time the form is open between December 8th and 19th. Th...

We've just passed 400 submitted surveys, and today is the LAST DAY to send your answers to Gamedev.js Survey 2025!

gamedevjs.com/survey/gamed...

#gamedev #gamedevjs #JavaScript #HTML5 #indiedev #indiegames #report #form #OpenSource #survey

3 months ago 6 4 0 0