Blazingly fast recursive convertion to and from camelCase or PascalCase for Objects and Arrays

Reduce transform functions with PostCSS.

Isomorphic map-reduce function to flatten an array into the supplied array

Reduce initial definitions to the actual initial value, where possible.

Reduce CSS calc() function to the maximum

Reduce function calls in a string, using a callback

High quality image resizing for blobs in browsers (`pica` wrapper with some sugar)

Reduce a list of values using promises into a promise for a value

Reduce custom identifiers with PostCSS.

Types for the TypeScript-ESTree AST spec

🌀 OpenAPI to TypeScript code generator. Production-grade SDKs, Zod schemas, TanStack Query hooks, and 20+ plugins. Used by Vercel, OpenCode, and PayPal.

A best-practices CSS foundation

Reduce multiple reducers into a single reducer

Reduce any JSON value by traversing depth first and visiting each node

`[].reduce()` for old browsers

Utility for creating Universal macOS applications from two x64 and arm64 Electron applications

Safe defaults for cssnano which require minimal configuration.

Merge an initial configuration object with one or more configuration objects, functions, or arrays of configuration objects/functions.

Reduce an array to unique values, optionally into a separate array.

Advanced optimisations for cssnano; may or may not break your CSS!