sindresorhus

sindresorhus/type-fest

A collection of essential TypeScript types

17.3K stars 724 forks 17.3K watchers TypeScript Creative Commons Zero v1.0 Universal

npm-package types typescript typescript-definitions utilities

6 Open Issues Need Help Last updated: Jul 13, 2026

Open Issues Need Help

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Audit all types for whether they need `readonly` modifier 24 days ago

enhancement help wanted

sindresorhus/type-fest

17.3K

A collection of essential TypeScript types

TypeScript

#npm-package#types#typescript#typescript-definitions#utilities

`KebabCasedProperties`: Align behavior with Lodash 4 months ago

enhancement help wanted

sindresorhus/type-fest

17.3K

A collection of essential TypeScript types

TypeScript

#npm-package#types#typescript#typescript-definitions#utilities

`OverloadParameters` and `OverloadReturnType` 6 months ago

help wanted type addition

sindresorhus/type-fest

17.3K

A collection of essential TypeScript types

TypeScript

#npm-package#types#typescript#typescript-definitions#utilities

`Entries` don't works like `ObjectEntries` 8 months ago

bug help wanted

sindresorhus/type-fest

17.3K

A collection of essential TypeScript types

TypeScript

#npm-package#types#typescript#typescript-definitions#utilities

Use `NoInfer`? 9 months ago

enhancement help wanted good first issue

sindresorhus/type-fest

17.3K

A collection of essential TypeScript types

TypeScript

#npm-package#types#typescript#typescript-definitions#utilities

Proposal: AllDiscriminatedUnionFields 10 months ago

help wanted type addition

sindresorhus/type-fest

17.3K

A collection of essential TypeScript types

TypeScript

#npm-package#types#typescript#typescript-definitions#utilities