Optional Packages

Full featured implementation of options into typescript.

A NestJS addon that provides validation pipes for the simple data types with the option of optionality. E.g. a ParseBoolOptionalPipe that validates & transforms @Query parameters that are then either true, false or undefined/null or throw an error.

A TypeScript isomorphic adaptation of Java's Optional.

Eliminate null/undefined errors in JS...and more!

Tries to import a module. Ignores any error that occurs.

Replace nullable object's properties with optional

Color utility for Javascript

GraphQL documentation with Flexible graphdoc

A lightweight TypeScript utility library

Optional and Result monads implementations

maybe use maaybe

Option represents an optional value: it is either some and contains a value, or none, and does not

A pure Typescript implementation of Java's `Optional` class.

Container object used to contain not-null objects

Optional (like Java) implementation in TypeScript

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

Typed Option/Optional/Maybe for TypeScript and JavaScript, created to simplify code involving optional values (null, undefined, NaN).

Functional TypeScript utility types such as Optional, Result and others.

A library with some functional helpers not found in Typescript.

Zero cost Option type for AssemblyScript