JSPM

Lightweight, correct type inference, a good helper for covering presets.

Optionals for JS

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

TypeScript utility types

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

utility functions with Nullable

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

Create null safe property accessible Object library for JavaScript

plain implementation of Maybe (Optional, Nullable) monad

nullable wrapper for javascript type

Nullable. Optional. The Maybe monad. Whatever you want to call it, it's for Javascript now.

A Java-like Optional implementation for JavaScript

Simple typings for nullables

Simple type to allow value to be nullable

safe map using sanctuary.js

Optional implementation in Typescript

Replace nullable object's properties with optional

A TypeScript implementation of Java's Optional<T>, a container for nullable values with safe handling.

´´´typescript import { Optional } from 'optional-ts';