Convert TypeScript classes into Zod schemas using decorators. Supports nested models, arrays, inheritance, optional/nullable fields, and circular references.

Simple type to allow value to be nullable

utility functions with Nullable

Tiny (220 bytes), zero dependency wrapper for nullable values

nullable wrapper for javascript type

An implementation for the nullable design pattern in javascript

Throws if the specified argument is empty/nullable

ESLint rule

DTS generator plugin that turns optional fields into nullable fields

reactive utilities to ease working with nullable signals

GraphQL directive for applying default values to nullable fields

a small convenience function for allowing explicitly null props with the prop-types package

GraphQL Semantic Output Conversion Kit - converts a cutting edge SDL file that supports semantic nullability into a more traditional SDL file legacy tools can support.

A library providing useful nullables.

Fork of openapi-to-graphql that fixes nullable handling. Published to NPM since there's no other easy way to consume a Lerna package. Unmaintained.

Utility functions to easily handle nullable variables

Kysely dialect for TypeORM

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

A tiny TypeScript Option type for explicit nullable and optional values

Utility functions for working with nullable values