TypeScript Fundamentals × Narrowing, Discriminating Unions, and Type Guards

TypeScript Fundamentals × Narrowing, Discriminating Unions, and Type Guards

In this Hasty Treat, Scott and Wes talk about TypeScript Fundamentals, including narrowing, discriminating unions, and type guards. Sentry - Sponsor If you want to know what’s happening with your code, track errors and monitor performance with Sentry. Sentry’s Application Monitoring platform helps developers see performance issues, fix errors faster, and optimize their code health. Cut your time on error resolution from hours to minutes. It works with any language and integrates with dozens of other services. Syntax listeners new to Sentry can get two months for free by visiting Sentry.io and using the coupon code TASTYTREAT during sign up. Payments Hub - Sponsor There are hundreds of payments processing companies out there. Hit up developer.paymentshub.com/syntax to learn more about how Payments Hub Developers not only processes ecommerce and in-person payments, but also boards and underwrites your merchants in as little as 90 minutes. We are currently offering Syntax listeners who become new partners 6 months free data through our Business Reporting API! Show Notes 00:24 Welcome 01:35 Sponsor: Sentry 02:23 Sponsor: Payments Hub 05:21 Intro to TypeScript fundamentals 06:28 What is Type Narrowing? 09:32 typeof 11:58 instanceof 13:29 Custom typeguards 16:12 this is 17:59 discriminated unions Tweet us your tasty treats Scott’s Instagram LevelUpTutorials Instagram Wes’ Instagram Wes’ Twitter Wes’ Facebook Scott’s Twitter Make sure to include @SyntaxFM in your tweets

Avsnitt(990)

942: Mental Health Q&A w/ Dr. Courtney Tolinski

942: Mental Health Q&A w/ Dr. Courtney Tolinski

Wes and Scott talk with Dr. Courtney Tolinski about supporting neurodivergent teammates, navigating workplace dynamics, and recognizing strengths beyond labels. They explore ADHD diagnosis and treatme...

1 Okt 202557min

941: Is Responsible AI Possible? with Dr. Sarah Bird of Microsoft

941: Is Responsible AI Possible? with Dr. Sarah Bird of Microsoft

Scott heads to Microsoft’s campus for the VS Code Insider Summit to sit down with Dr. Sarah Bird and explore what “Responsible AI” really means for developers. From protecting user privacy to keeping ...

29 Sep 202522min

940: Picking a Fullstack Stack, Is Next.js Too Complex? Services vs Self-Hosted + More

940: Picking a Fullstack Stack, Is Next.js Too Complex? Services vs Self-Hosted + More

In this potluck episode, Wes and Scott answer your questions about modern full-stack stacks, Node.js backend options, managing database indexes, developer burnout, handling toxic bosses, and more! S...

24 Sep 20251h 5min

939: Creator of Vite: Evan You

939: Creator of Vite: Evan You

Scott and Wes sit down with Evan You, creator of Vue, Vite, and VoidZero, to dig into the future of frontend tooling. From the speed of Rolldown to why he chose Rust, they explore the evolution of dev...

22 Sep 202554min

938: Hot Takes + Bike Shedding

938: Hot Takes + Bike Shedding

Wes and Scott dive into some hot takes and classic debates—tabs vs spaces, camel vs snake case, export styles, barrel files, variable naming, and more. Show Notes 00:00 Welcome to Syntax! 01:26...

17 Sep 202527min

937: Is The Omarchy Hype Real?

937: Is The Omarchy Hype Real?

Scott takes Wes on a tour of Omarchy, DHH’s polished Arch + Hyprland Linux setup that promises speed, beauty, and endless keyboard shortcuts. From first impressions to daily workflows, Scott debates w...

15 Sep 202548min

936: Realtime LED Wall With React + Websockets (I Let Strangers Control It)

936: Realtime LED Wall With React + Websockets (I Let Strangers Control It)

Scott, Wes, and CJ dive into Wes’s Hackweek project: a real-time, web-controlled LED grid. They break down the hardware build, custom 3D-printed diffuser, ESP32 microcontroller, and Cloudflare durable...

10 Sep 202547min

935: CJ Made A Sega Game In 2025

935: CJ Made A Sega Game In 2025

CJ takes us behind the scenes of Hackweek to share how he built a custom Sega Genesis game from scratch, complete with assembly code, level loading, and retro hardware tricks. From SGDK to parallax fa...

8 Sep 202552min

Populärt inom Politik & nyheter

svenska-fall
p3-krim
aftonbladet-krim
spar
fordomspodden
rss-krimstad
flashback-forever
rss-sanning-konsekvens
motiv
aftonbladet-daily
krimmagasinet
rss-krimreportrarna
rss-frandfors-horna
rss-vad-fan-hande
politiken
grans
rss-flodet
sydsvenskan-dok
dagens-eko
rss-aftonbladet-krim