type-fest

5.10.0 · 17 Sep 2026(MIT OR CC0-1.0)528.8M / weekRepository Homepage npm Atom feed

Same major only

1 release in betweenevery note read

Other targets from 1.4.0Latest5.10.0

2
changes to make: 0
advisories fixed: 4
new: 0
fixes

Before you upgrade

Tick each one off as you go

Require TypeScript 4.2 a55ebee
breaking2.0.0
Require Node.js 12.20 a55ebee
breaking2.0.0

Release by release

2.0.0
6 Aug 20214 new
- new
  Add Jsonify type (#244) 5349d27
- new
  Add Constructor type 49d0db8
- new
  Improve Class type 49d0db8
- new
  Improve Opaque type 7f63a6e

Upgrade to 2.0.0

npm install type-fest@2.0.0

What 2.0.0 needs

Reading 2.0.0's manifest…

Check against your package.json

Which of your other dependencies stand in the way of 2.0.0. Read once, not stored.

After upgrading

Run the type checker, the linter and the tests.
Build, and look for new deprecation warnings.
Update peer dependencies the new version asks for.