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TypeScript creator Anders Hejlsberg puts TypeScript 7 through its paces, compiling the 2.3M-line Visual Studio Code codebase in under five seconds, and breaking down how the new 10x faster Go-powered compiler and language service scales with shared-memory concurrency.

Microsoft Developer

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44,413 görüntüleme • 3 ay önce •via X (Twitter)

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Microsoft Developer profil fotoğrafı

Microsoft Developer3 ay önce

Read more about our release of TypeScript 7

Simon Holm profil fotoğrafı

Simon Holm3 ay önce

@ahejlsberg @code Anders Hejlsberg comes across as remarkably calm and thoughtful. Beyond being Danish, he's also one of the true legends of software engineering.

jeffnyalik profil fotoğrafı

jeffnyalik3 ay önce

@ahejlsberg @code Wonder why he didn't pick C#

Dmytro Petruk profil fotoğrafı

Dmytro Petruk3 ay önce

@ahejlsberg @code It is a savior on the large codebases! 👏

Vlad Sazonau profil fotoğrafı

Vlad Sazonau3 ay önce

@drosenwasser @ahejlsberg @code Nice!

Mirolim Mirzakhmedov profil fotoğrafı

Mirolim Mirzakhmedov3 ay önce

We talk a lot about the developer time saved by TS7. I’m equally impressed by the compute saved. TypeScript runs at enormous global scale editors, builds, CI, agents. A 4x single-core efficiency gain, before even counting parallelism, means a lot less compute for the same work. Less compute means less energy demand. At this scale, compiler engineering becomes sustainability engineering. Congrats to the team! This is a real contribution toward a more sustainable future. 👏

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Andrew3 ay önce

@ahejlsberg @code What can I say?) 5 seconds is so cool!

Khushal Singh profil fotoğrafı

Khushal Singh3 ay önce

@ahejlsberg @code so nice to see a real engineering project in this vibe coding era

Dmitry profil fotoğrafı

Dmitry3 ay önce

@ahejlsberg @code Most tooling can't use it because 7.0 not provide programmatic API. When it will be released?

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sophia ☁️3 ay önce

@ahejlsberg @code Great point!

Raphael Cangucu profil fotoğrafı

Raphael Cangucu3 ay önce

@ahejlsberg @code Thanks, that's why I am using go and not typescript on server side. =P

⋆˚࿔ sof ᯓ★ profil fotoğrafı

⋆˚࿔ sof ᯓ★3 ay önce

@ahejlsberg @code Totally agree with this

jeffnyalik profil fotoğrafı

jeffnyalik3 ay önce

@ahejlsberg @code The TypeScript compiler is now primarily written in Go.

Rohan Arun profil fotoğrafı

Rohan Arun3 ay önce

Hey Super, build a TypeScript 7 Concurrent Compiler Visualizer & Multi-Core Throughput Simulator that visually models and computes how Anders Hejlsberg's Go-powered TypeScript 7 compiler architecture achieves 10x compilation speedup on massive codebases through shared-memory concurrency. The tool provides an interactive first-viewport experience where users select codebase scale (ranging from 500K lines up to 5M lines, defaulting to VS Code's 2.3M lines), choose worker thread counts (1 to 64 CPU cores), and compare architecture models: TS 7 Go-Powered Shared Memory (zero-copy lock-free symbol lookup across goroutines) versus TS 6 Node.js Single-Threaded / IPC Worker Copying. The interactive main engine renders a dynamic D3 multi-threaded Gantt pipeline showing parallel AST parsing, lock-free symbol table indexing, constraint solving, and codegen emit phases per worker lane, alongside an interactive module dependency graph highlighting concurrent partition boundaries. Key features include real-time throughput calculations (Lines/sec, Total Wall Clock Time, Memory Allocation Footprint, CPU Core Efficiency %), an interactive lock contention and cache-hit slider set, preset scenarios (VS Code 2.3M Lines, Massive Monorepo 5M Lines, Mid-Sized App 800K Lines), side-by-side performance comparison breakdown tables, and a downloadable JSON/SVG benchmark report. Visual styling uses a high-tech modern IDE dark theme with glowing neon worker thread indicators, crisp visual progress metrics, and precise D3 thread swimlanes. All calculation logic is fully client-side and deterministic. Ensure full mobile and desktop responsiveness with bounded layout grids, touch-friendly thread inspection, zero external server dependencies, and full accessibility compliance. The canonical slug for this app is ts7-concurrent-compiler-39.

Chawan Prash profil fotoğrafı

Chawan Prash3 ay önce

@ahejlsberg @code Wow what an insignificant achievement

armi profil fotoğrafı

armi3 ay önce

@ahejlsberg @code VB and FoxPro send greetings to TypeScript.

iTokens.io ⚡️ AI API profil fotoğrafı

iTokens.io ⚡️ AI API3 ay önce

@ahejlsberg @code 2.3M lines in under five seconds is impressive. As coding workflows keep evolving, gives developers the flexibility to switch between the latest models through one API and find the right fit based on coding needs and cost.

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sofia 🦋3 ay önce

@ahejlsberg @code Well said!Facts!

sophs p profil fotoğrafı

sophs p3 ay önce

@ahejlsberg @code 5s for 2.3m lines is actually insane

Abbas Azmi profil fotoğrafı

Abbas Azmi3 ay önce

@ahejlsberg @code Absolutely game-changing! 🤯 Compiling 2.3M lines in under 5 seconds will save developers countless hours. Moving to a Go-powered architecture with shared-memory concurrency is a massive win for productivity. Take a bow @ahejlsberg! 🔥 #TypeScript #TechNews

River profil fotoğrafı

River3 ay önce

@ahejlsberg @code now rewrite it in zig with codex

Colin Richardson profil fotoğrafı

Colin Richardson3 ay önce

@ahejlsberg @code Does he show it working on Typescript Playground?

1024.com profil fotoğrafı

1024.com3 ay önce

@ahejlsberg @code That’s cool

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TypeScript was inspired by a strange ask from the outlook team. Anders Hejlsberg(Anders Hejlsberg) - creator of C#, TypeScript, Turbo Pascal & Delphi - tells us how TypeScript was born: “The world started building larger and larger applications in JavaScript. We saw that externally, but also internally. One of the trigger events was when the outlook team came to see the C# team and asked us whether we would pretty please productize this thing called Script#. And we go, well, what is Script#? It's this cross compiler that allows you to cross compile C# into JavaScript such that you can basically treat JavaScript as an instruction language and run your C# apps in a browser. Why would anyone want to do that? Well, because then you can get a grownup programming language with grownup tooling. You can use Visual Studio, you can have projects. You can do all of these wonderful things that you can't do with JavaScript because JavaScript is just the scripting language with shitty tooling. And we thought, well, perhaps a better approach would be to fix JavaScript. I mean, surely you're not going to be best of breed in the JavaScript ecosystem by telling people to write in a different programming language”

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