Potluck — Freelancing × Leveraging your experience × Component size × Dealing with mediocrity × How to spend “extra time” × Rust vs Node × Free hosting? × More!

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

Can you have a Vercel like experience on your own AWS? Scott and Wes talk with Brandon Bayer about Flightcontrol - what it is, how to use it on your app, pricing, and more. Show Notes 00:32 Welcome 01:28 Who is Brandon Bayer? Brandon 🚀 Flightcontrol (@flybayer) / X Flightcontrol (@Flightcontrolhq) / X Blitz.js - The Missing Fullstack Toolkit for Next.js Flightcontrol — AWS Without Pain Tailwind Connect 2023 | Tailwind CSS Live Event 03:00 How do you fly? 06:10 What is Flightcontrol? 10:00 Why doesn’t Amazon make it easier? 11:34 Which parts of the AWS stack should I use? 15:08 Creating the infrastructure 19:01 Ongoing deployment 20:05 What languages does Flightcontrol support? 23:35 How are events or cron handled? 25:24 What is Temporal? Open Source Durable Execution Platform | Temporal Technologies 29:05 What are Nixpacks? GitHub - railwayapp/nixpacks: App source + Nix packages + Docker = Image 35:50 How is Flightcontrol priced? How To Get Free AWS Credits - Flightcontrol 44:44 How does Flightcontrol help with scaling? Serverless Compute Engine – AWS Fargate – AWS 46:11 What are your thoughts on ReactJS, Server components? 49:57 Supper Club questions Keychron K3 Ultra-slim Wireless Mechanical Keyboard (Version 2) Learn to Code - for Free | Codecademy 57:20 SIIIIICK ××× PIIIICKS ××× ××× SIIIIICK ××× PIIIICKS ××× EAA AirVenture Oshkosh | Oshkosh, Wisconsin | Fly-In & Convention Ko Tao Ko Lanta Yai Shameless Plugs Flightcontrol — AWS Without Pain 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

11 Elo 20231h 3min

In this potluck episode of Syntax, Wes and Scott answer your questions about TypeScript just being fancy duct tape, dealing with back pain while coding, rate limits on cloud services, what to use for email provider, is Firebase a legit platform, and more! Show Notes 00:11 Welcome 03:11 The Sunday scaries 06:03 Is TypeSctipt just a bunch of fancy Duck Tape? Is TypeScript saving us? 12:29 How do you go years into programming without back pain? Hasty Treat - Stretching For Developers with Scott — Syntax Podcast 293 23:51 Why don’t cloud services provide an option to shut off services when a spending limit is reached? DigitalOcean | Cloud Hosting for Builders Vercel: Develop. Preview. Ship. For the best frontend teams 28:41 How do you choose a CSS library for any project? The most advanced responsive front-end framework in the world. | Foundation 960 Grid System 38:26 What’s happening to Level Up Tuts? Level Up Tutorials - Learn modern web development Wheels - Skateboard Wheels - 60mm Cali Roll - Shark Wheel 43:43 Not a sponsored Yeti spot 45:16 What do you do for email hosting? Google Workspace TechSoup Canada Proton Mail: Get a private, secure, and encrypted email account Outlook Microsoft 365 Plans Scheduling Software Everyone Will Love · SavvyCal Synology Photos 50:34 Is Firebase ok to run an app long term with? Firebase 58:57 Am I wrong to not do productive work intensely? 01:34 SIIIIICK ××× PIIIICKS ××× ××× SIIIIICK ××× PIIIICKS ××× Scott: MagSafe Charger, Anker 3-in-1 Cube with MagSafe Wes: 6amLifestyle Headphone Hanger Stand Under Desk 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

9 Elo 20231h 10min