microsoft/TypeScript
Some data may be outdated — see provenance labels.
TypeScript is a superset of JavaScript that compiles to clean JavaScript output. observed · 2026-09-28
Health v2 · maintenance only
91/100
- Activity 97
- Release rhythm 79
- Longevity 100
How is this computed?
round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10) — computed 2026-10-21. Adoption (stars, forks) is never an input.
- gap_med: 48.5
- age_days: 4508
- days_rel: 61
- days_push: 23
- n_releases_24m: 9
Adoption not part of the score
111245 stars · 15181 forks observed · 2026-09-28
What it is AI-extracted, prompt v1, taxonomy v1, 2026-09-21, confidence 0.99
TypeScript is a superset of JavaScript that adds optional static types and compiles to clean JavaScript. It provides a compiler and language services that run in Node.js, browsers, and IDEs.
Use cases
- Add static type checking to an existing JavaScript project
- Compile modern TypeScript code to browser‑compatible JavaScript
- Enable richer editor tooling and autocomplete for large codebases
- Gradually migrate a JavaScript codebase to a typed language
- Generate declaration files (.d.ts) for JavaScript libraries
When to choose
- You need compile‑time type safety for JavaScript projects
- Your team works across frontend and backend environments and wants a single language
- You want better IDE support, refactoring, and autocomplete
- You plan to adopt a gradual typing strategy without rewriting existing code
When to avoid
- You require a runtime that does not support a compilation step
- Your project is a small script where added build complexity outweighs benefits
- You need a language with built‑in runtime semantics different from JavaScript
Facets
cli-tool · maturity active
compiler parser programming-languages web-development developer-tools browser cross-platform cli typescript javascript-superset static-typing type-checker npm-package static-type-checker nodejs
7 sources
- readme: https://github.com/microsoft/TypeScript · fetched 2026-09-28 · b43867a1a978
- homepage: https://www.typescriptlang.org · fetched 2026-09-07 · 0b7a00efc47a
- site_page: https://www.typescriptlang.org/docs/ · fetched 2026-08-28 · 4a07b59ae144
- site_page: https://www.typescriptlang.org/docs/handbook/intro.html · fetched 2026-09-07 · 35f5284339d8
- site_page: https://www.typescriptlang.org/docs · fetched 2026-09-07 · 5e95be5e6be8
- site_page: https://www.typescriptlang.org/download/ · fetched 2026-08-28 · 405d7160e310
- site_page: https://www.typescriptlang.org/download · fetched 2026-09-07 · be132cc7ceda
Member repositories
| Repository | Role | Health v2 |
|---|---|---|
| microsoft/TypeScript | main | 91 |
For agents
markdown · JSON · MCP: product_card(name="microsoft/TypeScript")
Data as of 2026-10-19T08:05:51.212177+00:00 · Report a problem