option
The option type, also known as the maybe type, for JavaScript
true-myth
A library for safe functional programming in JavaScript, with first-class support for TypeScript
option-t
A toolkit of Nullable/Option/Result type implementation in ECMAScript. Their APIs are inspired by Rust's `Option<T>` and `Result<T, E>`.
simple-zstd
Node.js interface to the system installed zstd.