twoslashes/twoslash

Markup for generating rich type information in your documentations ahead of time.

938

stars

469

commits

TypeScript

primary language

Jun 22, 2026

updated

twoslash.netlify.app/

shiki

twoslash

typescript

README

Twoslash

📚 Documentation | ⚙️ Migration Guide

A markup format for TypeScript code, ideal for creating self-contained code samples which let the TypeScript compiler do the extra leg-work. Inspired by the fourslash test system.

This project is the successor of @typescript/twoslash.

License

MIT License © Orta Therox, Anthony Fu, Microsoft Corporation

Contributors

(top 30 of 43)

222 commits

176 commits

15 commits

8 commits

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twoslashes/twoslash

Markup for generating rich type information in your documentations ahead of time.

938

stars

469

commits

TypeScript

primary language

Jun 22, 2026

updated

twoslash.netlify.app/

shiki

twoslash

typescript

README

Twoslash

📚 Documentation | ⚙️ Migration Guide

A markup format for TypeScript code, ideal for creating self-contained code samples which let the TypeScript compiler do the extra leg-work. Inspired by the fourslash test system.

This project is the successor of @typescript/twoslash.

License

MIT License © Orta Therox, Anthony Fu, Microsoft Corporation

Similar repos

shikijs/shiki

A beautiful yet powerful syntax highlighter

13,789

shared contributors

rehypejs/rehype-twoslash

plugin to process JavaScript and TypeScript code with `twoslash` and highlight it with…

TypeStrong/typedoc

Documentation generator for TypeScript projects.

8,453

privatenumber/tsx

⚡️ TypeScript Execute | The easiest way to run TypeScript in Node.js

12,135

esbuild-kit/tsx

⚡️ TypeScript Execute | The easiest way to run TypeScript in Node.js

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DefinitelyTyped/DefinitelyTyped

The repository for high quality TypeScript type definitions.

51,432

microsoft/TypeScript

TypeScript is a superset of JavaScript that compiles to clean JavaScript output.

110,995

shared contributors

orta/vscode-twoslash-queries

VS Code extension which adds support for twoslash queries into typescript projects

460

Contributors

(top 30 of 43)

222 commits

176 commits

15 commits

8 commits

Languages

TypeScript

95.6%

HTML

3.4%

JavaScript

1.0%