TypeScript Fundamentals × Type Narrowing, Guards, and Predicates

TypeScript Fundamentals × Type Narrowing, Guards, and Predicates

In this episode of Syntax, Wes and Scott talk through some TypeScript Fundamentals around type narrowing, type guards, and type predicates. Show Notes 00:24 Welcome 01:40 Rocking predicates 02:54 What is a type in TypeScript? 04:11 Type Narrowing 08:18 Type Guard 16:19 Type Predicates Shameless Plugs Scott: LevelUp Tutorials Wes: Wes Bos Tutorials 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

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895: React Server Components: Where are we at?

895: React Server Components: Where are we at?

Scott and Wes break down the current state of React Server Components — what they are, how they work, and why they’re so controversial. From framework support to bundling complexity, it’s everything y...

21 Apr 202530min

894: Open Source Matters w/ Chad Whitacre

894: Open Source Matters w/ Chad Whitacre

Wes and Scott talk with Chad Whitacre, the newest member of the Syntax team, about all things open source—licenses, controversies, economics, and ethics. Chad breaks down what most people misunderstan...

16 Apr 20251h 1min

893: Everyone Is Talking About MCP

893: Everyone Is Talking About MCP

Scott and Wes break down the Model Context Protocol (MCP), a new open standard that gives AI agents secure, tool-like access to your dev environment. They cover how it works, why it’s a big deal for A...

14 Apr 202533min

892: The History of Syntax

892: The History of Syntax

Wes and Scott talk about the origins of Syntax, sharing how a friendly course name conflict led to a mastermind group, then a podcast, and eventually a full-blown media brand. They also reflect on key...

9 Apr 202555min

891: Light and Dark Mode

891: Light and Dark Mode

Light mode? Dark mode? Scott and Wes break down the best ways to implement theme switching in CSS, from prefers-color-scheme to manual overrides. Plus, tips on handling shadows, icons, and the dreaded...

7 Apr 202527min

890: Accepting Money on the Internet in 2025

890: Accepting Money on the Internet in 2025

Wes and Scott talk about the ins and outs of accepting payments online—from choosing processors like Stripe and PayPal to handling fraud, taxes, custom checkouts, and more. Show Notes 00:00 Welcome...

2 Apr 202546min

889: Planning A Build

889: Planning A Build

Scott and Wes talk about the planning process for a major redesign of the Syntax.fm website. They share their thoughts on organizing tasks, choosing tech, handling styling, and the debates that come w...

31 Mars 202529min

888: You Need a Monorepo × Client Only React × TanStack + More

888: You Need a Monorepo × Client Only React × TanStack + More

26 Mars 202552min

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