A pure functional JavaScript library

Fast purely functional immutable lists.

tar-stream is a streaming tar parser and generator and nothing else. It operates purely using streams which means you can easily extract/parse tarballs without ever hitting the file system.

Fast, small and purely functional utility library

Sequence your effects naturally and purely by returning them from your reducers.

FunctionalScript is a purely functional subset of JavaScript

Fast, small and purely functional utility library

Effect-TS is a zero dependency set of libraries to write highly productive, purely functional TypeScript at scale.

Effect-TS is a zero dependency set of libraries to write highly productive, purely functional TypeScript at scale.

A flashy material-design inspired spinner using purely css

Disallows use of instanceof operator, useful in TS envs where code relies purely on structural typing (i.e. static typing based on presence of attributes)

A purely functional 2d vector library.

A purely in-memory PouchDB, as a custom build

Element Sensor is a purely event based element size changing detector, which means intermitten checking free.

Purely functional linear, quadratic and cubic bezier library, including accurate, robust bezier intersection.

Purely functional reactive library.

An (augmented) emulation of async/await purely using generator functions.

A purely functional router for independently evaluating a path against a list of routes

Purely functional parser combinators & AST generation for generic inputs

This package is for templating files and folders on disk using purely TypeScript (as opposed to some other language like handlebars, cjs, ... etc).