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](https://github.com/orta/typescript-notes/blob/master/systems/testing/fours
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Get this data programmatically — free, no authentication.
curl https://depscope.dev/api/check/npm/@typescript/twoslashFirst published · 2020-04-09T20:27:57.277Z
Last updated · 2026-02-18T04:54:31.666Z