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typescriptlang.org
TypeScript is JavaScript with types and type-checking. Compiles down to JavaScript, runs where JavaScript runs.
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Today we're announcing previews of the native port of TypeScript! These nightly previews will be available on npm and the VS Code marketplace! npm install -D @​typescript/native-preview npx tsgo --version Read up more on our blog!

submitted 1 day ago • 10 comments

Finally reviving my blog! Wrote a few thousand words about one of the most notorious bugs we encountered when porting tsc to Go: accidental variable shadowing. It's a pleasure to write go/analysis passes, and I was really happy with the results of my shadow analyzer. Please enjoy the CFG diagrams!

submitted 47 days ago • 4 comments

Starting soon! 📢 We've got a TypeScript AMA starting in just a few minutes (10am Pacific) on the TypeScript Discord! discord.gg/typescript

submitted 71 days ago • 3 comments

🚨 Announcing the new @typescriptlang.org compiler: native and 10× Faster and written in @golang.org

submitted 73 days ago • 1 comment

Today we're thrilled to announce our effort to port the TypeScript compiler and language service to native code, gaining a 10x speed boost in build times and editor responsiveness! devblogs.microsoft.com/typescript/t...

submitted 73 days ago • 22 comments

TypeScript 5.8 is now out, with ✅ Better Checks on return expressions ✅ Support for require(esm) in --module nodenext ✅ --libReplacement to speed up program loading ✅ --erasableSyntaxOnly and more! Try it today! devblogs.microsoft.com/typescript/a...

submitted 84 days ago • 2 comments

The release candidate (RC) for TypeScript 5.8 is now published! Read up more on our release notes and try it today! devblogs.microsoft.com/typescript/a...

submitted 99 days ago • 1 comment

We just released the beta for TypeScript 5.8! This release brings support for Node.js' require(ESM), smarter/safer checks for functions using advanced types, a few great optimizations for editor scenarios, and more. Give it a try! devblogs.microsoft.com/typescript/a...

submitted 114 days ago • 6 comments

📢 TypeScript 5.7 is here! Now with ✅ Better checks for uninitialized variables ✅ Smarter tsconfig lookup in editors ✅ Improved startup time ✅ Stricter checks for JSON imports ✅ Extension rewrites for relative imports and more! Try it today! devblogs.microsoft.com/typescript/a...

submitted 182 days ago • 3 comments

We just published the release candidate of TypeScript 5.7! Give it a shot and let us know what you think! devblogs.microsoft.com/typescript/a...

submitted 196 days ago • 0 comments

TypeScript 5.7 beta is now available to try! Read up on what's new today! devblogs.microsoft.com/typescript/a...

submitted 226 days ago • 0 comments

🚀TypeScript 5.6 is now available! 🚀 Now with ✅ New syntactic nullish/truthy checks ✅ Iterator helper methods & strictness checks ✅ Region-prioritized checking in editors ✅ Flexible --build behavior and more! Try it today! devblogs.microsoft.com/typescript/a...

submitted 256 days ago • 0 comments

The release candidate for TypeScript 5.6 is now available for testing! Give it a try today for more new checks, ways to speed-up your builds, new JS features, and more! devblogs.microsoft.com/typescript/a...

submitted 273 days ago • 1 comment

TypeScript 5.6 Beta is now out with ✔️ Errors on Suspicious Truthy/Nullish Checks ✔️ Iterator Methods like `.map()` and `.filter()` ✔️ Error-Tolerant --build Mode ✔️ --noCheck ✔️ Type-Checking Prioritized by Editor Viewports and more! Try it today! devblogs.microsoft.com/typescript/a...

submitted 301 days ago • 0 comments

TypeScript 5.5 is now available! 🎉✨ Now with ✅ Inferred Type Predicates ✅ RegEx syntax checks ✅ The JSDoc @‍import Tag ✅ ${configDir} for easier tsconfig inheritance ✅ --isolatedDeclarations ✅ Lots of new optimizations And more! Try it today! devblogs.microsoft.com/typescript/a...

submitted 337 days ago • 0 comments

TypeScript 5.5 RC is now out to try! We're looking for feedback on inferred type predicates, JSDoc imports, regex checking, ${configDir}, isolatedDeclarations, build optimizations, and more! devblogs.microsoft.com/typescript/a...

submitted 351 days ago • 0 comments

Announcing TypeScript 5.5 Beta! 📣 Now with type predicate inference, more type narrowing, an @‍import tag for JSDoc, the --isolatedDeclarations flag, performance & reliability improvements, and much more!

submitted 393 days ago • 1 comment

The release candidate of TypeScript 5.4 is now ready to download! Read up on what's coming in TypeScript 5.4 👀

submitted 456 days ago • 0 comments

TypeScript 5.4 Beta is available to try! This release has lots of type narrowing improvements, the 'NoInfer' type helper, groupBy, better options for bundlers, and more! devblogs.microsoft.com/typescript/a...

submitted 480 days ago • 0 comments

Today we released TypeScript 5.3! Now bringing: - new narrowing improvements - more correctness checks - import attributes - handy new editor features - lots of optimizations and lots more! So try it today! devblogs.microsoft.com/typescript/a...

submitted 550 days ago • 0 comments

The release candidate of TypeScript 5.3 is out - we're looking for feedback to make sure this release is as perfect as possible! devblogs.microsoft.com/typescript/a...

submitted 567 days ago • 0 comments

TypeScript 5.3 beta just went out! Now slimmer and faster, with lots of new narrowing improvements, correctness checks, features like import attributes, and more - so try it out now!

submitted 598 days ago • 0 comments

TypeScript 5.2 is now here! 🎉 Now faster with - 'using' & explicit resource management - decorator metadata - easier tuple type notation - better object completions - the inline variable refactor - clickable inlay parameter hints and more! Try it today!

submitted 638 days ago • 0 comments

The Release Candidate of TypeScript 5.2 is now out to try! Test it out and let us know if you run into any issues!

submitted 653 days ago • 0 comments

We just released TypeScript 5.2 Beta! Check out - 'using' Declarations - Decorator Metadata - Easier Tuple Type Notation - Inline Variable Refactoring - Comma Completions in Objects and more! Try it today!

submitted 693 days ago • 0 comments

TypeScript 5.1 is now out! Now with - smarter checks for undefined-returning functions - no restrictions between getter/setter types - better checks for JSX tags - linked editing for JSX - new speed-ups Read up more on our blog!

submitted 722 days ago • 1 comment

Hello World!

submitted 722 days ago • 2 comments