Pure is a library for functional programming in TypeScript. It's purpose is to allow developers to use popular patterns and abstractions that are available in most functional languages. It is also Fantasy Land conformant.
Elegant and developer-friendly API - pure's design decisions are made with developer experience in mind. Pure doesn't try to change how you write TypeScript, instead it provides useful tools for making your code easier to read and maintain without resolving to hacks or scary type definitions.
Type-safety - While pure can be used in vanilla JavaScript, it's entirely written with TypeScript and type safety in mind. While TypeScript does a great job at preventing runtime errors, pure goes a step further and provides utility functions for working with native objects like arrays in a type-safe manner.
Emphasis on practical code - Higher-kinded types and other type-level features would be great additions to this library, but as of right now they don't have reasonable implementations in TypeScript. Pure focuses on being a library that you ca include in any TypeScript project and favors instance methods instead of functions, clean and readable type definitions instead of advanced type features and a curated API instead of trying to port over another language's standard library.
Pure is available as a package on npm. You can install it with a package manager of your choice:
$ npm install pure-ts
or
$ yarn add pure-ts
You can find the documentation on the official site.
FAQs
Functional programming standard library for TypeScript
We found that pure-ts demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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