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functionalscript

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  • License AGPL-3.0-only

FunctionalScript is a functional subset of JavaScript

Package Exports

  • functionalscript
  • functionalscript/index.f.mjs

This package does not declare an exports field, so the exports above have been automatically detected and optimized by JSPM instead. If any package subpath is missing, it is recommended to post an issue to the original package (functionalscript) to support the "exports" field. If that is not possible, create a JSPM override to customize the exports field for this package.

Readme

FunctionalScript

NPM Version JSR Version

FunctionalScript is a purely functional programming language and a strict subset of ECMAScript/JavaScript. It's inspired by

A working draft of the FunctionalScript specification.

Learn more about

FunctionalScript is distributed under AGPL-3.0. Let us know if you need another license by sending an email.

Vision

We aim to create a safe, cross-platform programming language that can work in any JS platform without any build step. There are thousands of programming languages, and we don't want to create another one that others must learn. Instead, we take the opposite approach: we remove everything that makes the most popular and cross-platform language unsafe, insecure, or less portable.

Applications

FunctionalScript code can be used:

  • safely in any JavaScript/TypeScript application or library;
  • as a JSON with expressions, see DJS;
  • as a query language,
  • as a smart contract programming language in DeFi.

Design Principles

In FunctionalScript:

  • Any module is a valid JavaScript module. No additional build steps are required.
  • Code should not have side-effects. Any JavaScript statement, expression, or function that has a side effect is not allowed in FunctionalScript. There are no exceptions to this rule, such as unsafe code, which can be found in Rust, C#, and other languages.
  • A module can depend only on another FunctionalScript module.
  • It also has no standard library. Only a safe subset of standard JavaScript API can be used without referencing other modules.

Our Next Step

Re-architecture of NaNVM.

Sponsors