Fixing TypeScript Performance Problems: A Case Study | Viget
Of the many data points this analysis reports, the most useful metrics to look at are the number of files and types, amount of memory used, and the amount of time spent doing I/O, parsing, and type-checking. If I/O times are high or the number of files/lines are high look at Validating Source Files Inclusion. Deeper Insights with Compiler Traces # If the compiler is spending a lot of time in the p
Standard JSON Schema
A standardized JSON Schema representation that preserves inferred type information Standard JSON Schema is a common interface designed to be implemented by JavaScript and TypeScript entities that are or can be converted to JSON Schema. The goal is to make it easier for ecosystem tools to accept user-defined types (typically defined using schema/validation libraries) without needing to write custom
Type-Aware Linting Alpha
We're excited to announce the alpha release of type-aware linting in Oxlint! Overview ​ Following our technical preview in August, we're excited to announce that type-aware linting has reached alpha status. This milestone brings significant improvements in stability, configurability, and rule coverage. Type-aware linting enables powerful rules like no-floating-promises, no-misused-promises, and aw
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TSDiagram - Diagrams as code with TypeScript
Create diagrams and plan your code with TypeScript.
Progress on TypeScript 7 - December 2025 - TypeScript
Expected Differences from TypeScript 5.9 There are some caveats to using the new compiler that we want to call out. Many of these are point-in-time issues that we plan to resolve before the final 7.0 release, but some are driven more by long-term decisions to make the default TypeScript experience better. The promise of TypeScript 7.0 means that we will need to heavily shift our focus to the new c
Experiment: making TypeScript immutable-by-default
I like programming languages where variables are immutable by default. For example, in Rust, let declares an immutable variable and let mut declares a mutable one. I’ve long wanted this in other languages, like TypeScript, which is mutable by default—the opposite of what I want! I wondered: is it possible to make TypeScript values immutable by default? My goal was to do this purely with TypeScript
Type-safe Composable CSS
From simple UI styles to full Design Systems, write code using Styleframe’s powerful TypeScript CSS API. import { styleframe } from 'styleframe'; import { useColor } from '@styleframe/theme'; const s = styleframe(); const { variable, ref, selector } = s; const spacing = variable('spacing', '1rem'); const { colorPrimary } = useColor(s, { primary: '#318fa0', }); selector('.button', { backgroundColor
Moving off of TypeScript
We Love You, TypeScriptFor nearly five years now, Motion has operated in a large TypeScript monorepo. At its peak, it was roughly ~2.5 million lines of code after excluding comments, node_modules, etc. To manage this, we used Vercel’s rather excellent Turborepo build system. This is not a blog post hating on TypeScript — quite the opposite! Motion would likely not even have survived until today wi
Enable `--strict` by default · Issue #62333 · microsoft/TypeScript
Background Almost a decade ago, we began to add certain options beyond --noImplicitAny and --strictNullChecks. Flags like --strictFunctionTypes, --noImplicitThis, and --strictBindCallApply have been added to ensure most code is hardened against certain classes of type safety bugs. To avoid thinking about all the specific type-checking flags we recommended, we added the --strict flag as an easy way
Infrastructure as TypeScript
Infrastructure as TypeScript Deploy to Cloudflare, AWS, and more with pure TypeScript. Generate support for any API in minutes with AI. const database = await Database("my-database"); const website = await Worker("website", { bindings: { DB: database, }, }); const price = await Price("basic-license", { currency: "usd", unitAmount: 2999, // $29.99 product: "prod_xyz" }); const database = await Data
TypeHero
Connect, collaborate, and grow with a community of TypeScript developers. Elevate your skills through interactive coding challenges, discussions, and knowledge sharing
How we migrated our Rush.js monorepo to Node type stripping — Calm Blog
Introduction Sometimes an epiphany comes after years of hard work. Other times, it's more like an asteroid crashing into you from the cosmos. My epiphany came shortly after a coworker posted an article about Node type stripping, which is a way to skip transpilation and run TypeScript files natively in Node. We started chatting about the significant impact this change could have on developer produc
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Release v4.3.0 · colinhacks/zod
GitHub - jiftechnify/eject-enum: Eject enums from your TypeScript codebase.
Embedding TypeScript
GitHub - poppinss/ts-exec: Execute TypeScript on Node using SWC
arktype/ark/attest at main · arktypeio/arktype
module: mark type stripping as stable by marco-ippolito · Pull Request #60600 · nodejs/node
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