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New TypeScript Utilities 2026

GitHub Libraries TypeScript Utilities

jashkenas/underscore 27K +2

added 7 months ago

Underscore.js is a utility-belt library for JavaScript

airbnb/ts-migrate 5K +3

added 8 months ago

A tool for helping migrate code to TypeScript. It takes a JavaScript, or a partial TypeScript, project in and gives a compiling TypeScript project out.

gka/chroma.js 10K +7

added 9 months ago

JavaScript library for all kinds of color manipulations.

pmndrs/valtio 10K +22

added 9 months ago

Valtio turns the object you pass it into a self-aware proxy.

vercel/ms 5K +7

added 9 months ago

Tiny millisecond conversion utility

ai/size-limit 6K +3

added 10 months ago

Size Limit is a performance budget tool for JavaScript. It checks every commit on CI, calculates the real cost of your JS for end-users and throws an error if the cost exceeds the limit.

sindresorhus/dot-prop 857 +1

added 10 months ago

Get, set, or delete a property from a nested object using a dot path

piotrwitek/utility-types 5K +2

added 10 months ago

Collection of utility types, complementing TypeScript built-in mapped types and aliases (think "lodash" for static types).

sindresorhus/type-fest 16K +41

added 10 months ago

A collection of essential TypeScript types

lodash/lodash 61K +38

added 11 months ago

A modern JavaScript utility library delivering modularity, performance, & extras.

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