917: AI Tools You Should Know

In this episode of Syntax, Wes and Scott talk about concerts, getting tired because of being old, landscaping, spinning on your head, gym updates, awful search engines and awful ethics for YouTubers, rewiring old engines, and what’s being streamed. Show Notes 00:10 Welcome 01:49 Being tired The Strokes & Weyes Blood Tickets | 14th August | Red Rocks Amphitheatre 05:08 Landscaping 10:53 Gym updates 23:01 House projects 28:39 Why are search engines so awful these days? 39:20 Internet routing 45:17 Linus Tech Tips ethics and issues 48:29 Rewiring a kid’s ATV 50:49 What we’re watching The Stronger By Science Podcast Watch Full Swing | Netflix Official Site Break Point | Official Trailer | Netflix Watch Formula 1: Drive to Survive | Netflix Official Site 58:37 SIIIIICK ××× PIIIICKS ××× ××× SIIIIICK ××× PIIIICKS ××× Scott: The First Cat in Space Ate Pizza Wes: Steam cleaner Shameless Plugs Scott: Sentry 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 Wes Bos on Bluesky Scott on Bluesky Syntax on Bluesky

30 Elo 20231h 5min

In this Hasty Treat, Scott and Wes talk about OG images, interesting ways you can work with them, and ways you can work dynamically with them. Show Notes 00:11 Welcome 02:18 What are OG images? 06:19 Testing OG images Polypane, The browser for ambitious web developers Meta Tags — Preview, Edit and Generate Sharing Debugger - Meta for Developers Card Validator | Twitter Developers 08:27 Creating an OG image vercel/satori: Enlightened library to convert HTML and CSS to SVG Open Graph (OG) Image Generation | Vercel Docs Introducing OG Image Generation: Fast, dynamic social card images at the Edge – Vercel 09:41 Dynamically generating OG images wesbos.com/thumbnail/?thumbnail=%2Fstatic%2F0005c028a536c87975eb84ae3d32ae57%2Faeron.jpg&title=Uses&url=https%3A%2F%2Fwesbos.com%2Fuses 21:16 Using Puppeteer Puppeteer | Puppeteer Puppeteer · Browser Rendering docs Cloudinary - Image and Video Upload, Store ad Monetization Fast and reliable end-to-end testing for modern web apps | Playwright 28:47 Canva API Build The Tools Behind Great Design | Canva Developers 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 Wes Bos on Bluesky Scott on Bluesky Syntax on Bluesky

28 Elo 202329min

In this supper club episode of Syntax, Wes and Scott talk with Aiden Bai about his work on Million.js that aims to make React a lot faster. How does Million.js make React faster? And most importantly: has Aiden ever used a VCR? Show Notes 00:35 Welcome 00:57 Introducing Aiden Bai Aiden Bai aidenybai on GitHub @aidenybai on Twitter Aiden Bai on YouTube Million.js 01:57 What is Million.js? 03:20 How does React do rendering now? 04:31 How does Million.js make it faster? 07:37 What goes into creating a compiler? 08:24 How do you go from learning JavaScript to writing compilers? 11:05 Wyze WebRTC stream work 13:13 What are you using to benchmark and test? solidjs.com js-framework-benchmark xkcd: Compiling 18:19 What does a slowly rendering site look like? 23:54 How do you handle find on page with large amounts of code? 25:32 What does 70% faster with Million.js mean? Hyper™ Warp: Your terminal, reimagined 26:44 Why are maps slow? Supper Club × WASM, Fastly Edge, and Polyfill.io with Jake Champion — Syntax Podcast 643 28:19 Benefits of the Macro API 31:12 Does Million.js work across the board? 33:03 Does it ever break projects? How do you test Million.js? 35:35 How do you keep up on your GitHub issues? 37:40 What other areas of tech are you interested in working on? partytown 39:32 What was the inspiration for your website? 43:52 Supper Club questions Gruvbox with Material Palette iTerm2 - macOS Terminal Replacement ××× SIIIIICK ××× PIIIICKS ××× Barbie (2023) directed by Greta Gerwig • Reviews, film + cast • Letterboxd Teenage Mutant Ninja Turtles: Mutant Mayhem (2023) directed by Jeff Rowe • Reviews, film + cast • Letterboxd Shameless Plugs Million Kitchen Sink 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 Wes Bos on Bluesky Scott on Bluesky Syntax on Bluesky

25 Elo 202350min

In this episode of Syntax, Wes and Scott jump into part 2 of their look at Rust for JavaScript developers, including variables in Rust, type systems in Rust, signed and unsigned integers, and more. Show Notes 00:10 Welcome 00:43 Audio issue bugs 03:17 Building decks 06:06 Variables in Rust Syntax 647: Rust for JavaScript Developers - Node vs Rust Concepts let x = 5; // x is immutable let mut x = 5; // x is mutable const MAX_POINTS: u32 = 100_000; // must be defined at compile time 10:42 Type System in Rust 15:52 Types in Rust 19:06 Why does Rust have signed and unsigned integers? 23:35 Slicing strings with &str 27:35 enum 27:55 struct 28:19 Vec 29:33 HashMap and HashSet 33:00 Converting Signed to Unsigned Numbers let unsigned_value: u8 = 200; let signed_value: i8 = unsigned_value as i8; 36:12 What’s up with &str? 43:31 Rust error messages 45:28 What is a Struct? struct User { username: String, email: String, sign_in_count: u64, active: bool, } // You can create an instance of a struct like this: let user1 = User { email: String::from("someone@example.com"), username: String::from("someusername123"), active: true, sign_in_count: 1, }; impl User { fn login(&mut self) { self.login_count += 1; } } 49:17 SIIIIICK ××× PIIIICKS ××× ××× SIIIIICK ××× PIIIICKS ××× Scott: Thermacell Patio Shield Wes: Magnet Phone Mount Shameless Plugs Scott: Sentry 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 Wes Bos on Bluesky Scott on Bluesky Syntax on Bluesky

23 Elo 202356min

In this Hasty Treat, Scott and Wes talk about 8 tricks to try when using the Fetch() API. Show Notes 00:23 Welcome 02:14 1) Stream The Result // Create a new TextDecoder instance const decoder = new TextDecoder(); // Make the fetch request fetch('https://api.example.com/streaming-data') .then(response => { // Check if the response is valid if (!response.ok) { throw new Error('Network response was not ok'); } // Stream the response data using a TextDecoder const reader = response.body.getReader(); // Function to read the streamed chunks function read() { return reader.read().then(({ done, value }) => { // Check if the streaming is complete if (done) { console.log('Streaming complete'); return; } // Decode and process the streamed data const decodedData = decoder.decode(value, { stream: true }); console.log(decodedData); // Continue reading the next chunk return read(); }); } // Start reading the chunks return read(); }) .catch(error => { // Handle errors console.log('Error:', error); }); 06:05 2) Download Progress Download progress example 09:40 3) Cancel Streams - Abort Controller // Create an AbortController instance const controller = new AbortController(); // Set a timeout to abort the request after 5 seconds const timeout = setTimeout(() => { controller.abort(); }, 5000); // Fetch request with the AbortController fetch('https://api.example.com/data', { signal: controller.signal }) 11:32 4) Testing if JSON is returned 13:18 5) async + await + catch const data = await fetch().catch(err => console.log(err)); 14:42 6) to awaited - return error and data at top level const [err, data] = collect(fetch()) if(err) // .... await-to-js - npm 16:58 7) Dev tools - Copy as fetch 17:54 8) You can programatically create a Request, Response and Headers objects const myRequest = new Request('https://traffic.libsyn.com/syntax/Syntax_-_641.mp3', { headers: { 'Content-Type': 'text/plain', } }); fetch(myRequest)

21 Elo 202319min

In this supper club episode of Syntax, Wes and Scott talk with Andrew Lisowski about working on Descript, web streams vs local storage, using state machines, writing CSS with Radix, monorepos, and more. Show Notes 00:35 Welcome 01:07 What is Descript? Descript | All-in-one video & podcast editing, easy as a doc. Work — Sandwich 02:21 Who is Andrew Lisowski? Andrew Lisowski (@HipsterSmoothie) / X hipstersmoothie.com Descript (@DescriptApp) / X devtools.fm 04:51 How does Descript interact with the webcam? 08:52 Web streams vs local first Web Streams Explained — Syntax Podcast 587 10:06 How are you exporting video? GitHub - Yahweasel/libav.js: This is a compilation of the libraries associated with handling audio and video in ffmpeg—libavformat, libavcodec, libavfilter, libavutil, libswresample, and libswscale—for emscripten, and thus the web. Riverside.fm - Record Podcasts And Videos From Anywhere 14:40 How does Descript deal with recording fails? 17:17 How does Descript design and build the UI? 19:37 What did you like about state machines? XState - JavaScript State Machines and Statecharts 24:12 How are you writing your CSS with Radix? Themes – Radix UI Home | Open UI 30:30 How does the marketing site’s tech stack compare? 31:44 Playwright vs Cypress Fast and reliable end-to-end testing for modern web apps | Playwright JavaScript Component Testing and E2E Testing Framework | Cypress 36:26 What tech do you use for monorepos? 37:01 What’s your build tool? Workspaces | Yarn - Package Manager Turbo webpack 40:18 Moving to the web means moving things to the backend 41:37 Descript focuses AI tools on helping creators Eye Contact: AI Video Effect | Descript 50:50 Supper Club questions Topre Switch Mechanical Keyboards REALFORCE | Premium Keyboard, PBT, Capacitive Key Switch Iosevka Github Dark High Contrast - Visual Studio Marketplace 56:21 SIIIIICK ××× PIIIICKS ××× ××× SIIIIICK ××× PIIIICKS ××× Lexical shadcn/ui Shameless Plugs devtools.fm 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 Wes Bos on Bluesky Scott on Bluesky Syntax on Bluesky

18 Elo 20231h

In this episode of Syntax, Wes and Scott talk about new approved and proposed JavaScript API changes including Promise.withResolvers, .at(), Immutable Array Methods, Array.fromAsync, and more. Show Notes 00:10 Welcome 04:55 What are we going to cover? 06:10 Promise.withResolvers 09:40 .at() You probably knew about JavaScript’s new .at() method for accessing array items. Did you know it works for strings too? @IAmAndrewLuca 15:59 Immutable Array Methods Wes Bos: "🔥 Pretty excited about the new JavaScript non-mutating array methods. Currently in stage 3. .toReversed() .toSorted() .toSpliced() - remove items .with() - replace items 21:48 Array.fromAsync Proposal for array.fromAsync 27:15 Array Grouping Proposal for Array grouping 31:04 Observable Events? Observable Events? 35:28 Import Attributes 39:21 v.emplace method 41:15 Decorators Proposal for Pattern Matching 45:42 SIIIIICK ××× PIIIICKS ××× ××× SIIIIICK ××× PIIIICKS ××× Scott: Artifact.news Wes: LED lights for bikes Shameless Plugs Scott: Sentry 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 Wes Bos on Bluesky Scott on Bluesky Syntax on Bluesky

16 Elo 202353min

In this Hasty Treat, Scott and Wes talk about whether decorators are finally here, what the uses cases are for decorators, how to define a decorator, and what auto accessor is. Show Notes 00:25 Welcome 01:00 Are decorators finally here? TC39 proposal How this compares to other versions of decorators 06:47 What are use cases for decorators? 10:55 How do you define a decorator? 14:20 Auto Accessor on classes @loggged class C {} on fields class C { @logged x = 1; } Auto Accessor class C { accessor x = 1; } sugar for below class C { #x = 1; // # means private get x() { return this.#x; } set x(val) { this.#x = val; } } Can be decorated and decorator can return new get and set and init functions function logged(value, { kind, name }) { if (kind === "accessor") { let { get, set } = value; return { get() { console.log(`getting ${name}`); return get.call(this); }, set(val) { console.log(`setting ${name} to ${val}`); return set.call(this, val); }, init(initialValue) { console.log(`initializing ${name} with value ${initialValue}`); return initialValue; } }; } // ... } 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 Wes Bos on Bluesky Scott on Bluesky Syntax on Bluesky

14 Elo 202322min