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sindresorhus/type-fest

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A collection of essential TypeScript types

14 mentions on Hacker News by 13 people: 2 stories, 12 comments · first 2019-12-19 · latest 2025-10-26

Mentions per year 14 mentions · busiest year 2024 (6)
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  1. …https://github.com/sindresorhus/p-cancelable https://github.com/sindresorhus/responselike https://github.com/sindresorhus/type-fest https://github.com/sindresorhus/tagged-tag https://github.com/max-mapper/extract-zip…
    comment by CMay · 2025-09-20 · in Less is safer: Reducing the risk of supply chain attacks
  2. …the type of their values. Couldn't find a proper example on the spot in an open source project. [1] https://github.com/sindresorhus/type-fest/blob/main/source/g...
    comment by foresterre · 2025-03-27 · in Good-bye core types; Hello Go as we know and love it
  3. …for more on what a complete branded type offers https://news.ycombinator.com/item?id=40368052 [0] https://github.com/sindresorhus/type-fest/blob/main/source/o... [1] https://www.typescriptlang.org/play/?#code/C4TwDgpgBAEghgZwB...
    comment by kaoD · 2024-05-15 · in Branded types for TypeScript
  4. …getAdminId()) // you cannot super-ban admins, even though they're also users! [0] https://github.com/sindresorhus/type-fest/blob/main/source/o... [1] https://www.typescriptlang.org/play/?#code/CYUwxgNghgTiAEYD2...
    comment by kaoD · 2024-05-15 · in Branded types for TypeScript
  5. I believe type-fest supports this, previously as “Opaque” types: https://github.com/sindresorhus/type-fest/blob/main/source/o...
    comment by sleazy_b · 2024-05-15 · in Branded types for TypeScript
  6. …an (IMO) easier definition, you can check how JSON values are usually defined in TypeScript e.g. https://github.com/sindresorhus/type-fest/blob/main/source/b...
    comment by cprecioso · 2024-02-25 · in Documentation for the JSON Lines text file format
  7. Related: https://github.com/sindresorhus/type-fest/blob/main/source/o...
    comment by jakubmazanec · 2024-01-30 · in Adding type safety to object IDs in TypeScript
  8. …to frequently for practical ideas. 0: https://github.com/microsoft/TypeScript/issues/14833 1: https://github.com/sindresorhus/type-fest
    comment by eyelidlessness · 2023-03-10 · in JavaScript and TypeScript features of the last 3 years
  9. …you can end up in situations where nobody even _really_ understands why some crazy type works. [0]: https://github.com/sindresorhus/type-fest/blob/2f418dbbb6182...
    comment by jasonkillian · 2022-06-27 · in Extreme explorations of TypeScript's type system
  10. I know you're entirely right, but sometimes when I see things like this in Typescript... https://github.com/sindresorhus/type-fest/blob/main/source/r... I can walk through it with enough pause, but it kinda makes my head implode when I…
    comment by debaserab2 · 2021-11-04 · in TypeScript: Control flow analysis for destructured discriminated unions
  11. …a helpful tool to think about when you are struggling with type safety vs runtime data. 1: https://github.com/sindresorhus/type-fest
    comment by drinchev · 2021-02-02 · in Bad TypeScript Habits
  12. …from coworkers. Another commenter already linked to the official docs, I always link them to https://github.com/sindresorhus/type-fest#readme which has links and docs of the built in types and can be installed for more.
    comment by STRiDEX · 2019-12-19 · in GitHub Actions is my new favorite free programming tool [video]