Nullable Packages

safe map using sanctuary.js

Wrap a function to make it return null instead of throwing an error

Optionals for JS

Optional implementation in Typescript

A plugin for the Elasticsearch JavaScript client that enforces non-nullable fields when indexing

Maybe library for TypeScript/JavaScript.

## Installation

Just function to predicate non nullable with type guard.

Simple type to allow value to be nullable

A Java-like Optional implementation for JavaScript

Full featured implementation of options into typescript.

A lightweight library for type-safe variable management in JavaScript scopes.

This library provides a way to make properties nullable in Angular templates.

Option<T>, Some<T>, None types and runtime functions to safely write JS/TS code without using null and undefined

Replace nullable object's properties with optional

maybe use maaybe

Zero cost Option type for AssemblyScript

A lightweight and chainable utility for effortless data type conversation in JavaScript and Node.js

TypeScript utility types

Pure functional utilities for nullable types