Optional Packages

Essential TypeScript monads

Adds the optional function to Roblox for Nevermore require

Maybe monad for typescript inspired by elm's Maybe

Tiny, zero-dependency router with route param and query parsing - built for Cloudflare Workers, but works everywhere!

Optional value handling library.

This tiny library allows you to work with object in functional programming style and forget about null checking. More or less it is very similar to Java's implementation of Optional functionality with several useful unique utilities.

A minimal optional package

A package that check if an operation, usually functions call, is successful. It returns true or false depending on the operation

为js提供的类似Java实现的Optional库

A Java-like Optional implementation for JavaScript

Utilites for optional execution of functions (only if arguments are non-nullish)

TypeScript optional types with seamless async support and magical type inference

Quantifiers of nullable types like as Array.prototype every/some

`nullish-math` is a lightweight TypeScript package that provides basic math operations with support for `null` and `undefined` values and an immutable, chainable API. It is useful when working with numeric data that may contain nullish values, as it ensur

Filter or partially filter object members and remove the rest, return value with accurate typing at the end, work best with typescript.

Provides Result and Optional monads, inspired by railway oriented programming.

A Rust-like functional utility library for safe and expressive error handling in TypeScript.

lightweight and versatile utility that brings the power and convenience of Rust's Option and Result types to JavaScript and TypeScript. Inspired by Rust's functional error-handling and optional value handling patterns, his package offers a clean and expre

Enhanced optional chaining. Safe accessing properties of unknown object without whole validation.

A utility class for handling optional values