Type guard Packages

Typescript utilities for Markdown Abstract Syntax Tree

Invariant and non-null/undefined assertion check with type guards

A collection of TypeScript type, type expressions, guard functions, and type-smart identity functions.

Super lean and simple object validation with TypeScript support.

Helper function to generate TypeScript type guards from an example instance

Build the type guards you want for the supported types you can

Typescript library for typesafe creation of validation functions and type guards.

TypeScript Type Guard Library.

Typescript library to declare type-safe models by inferring model types from their validators.

A typescript enforced type-safety library.

Check the type of a value with typescript typeguard

A simple object validation library for Javascript, with kickass TypeScript integration.

Type guards and assertions for TypeScript

DOM-related type guards and assertions for TypeScript

Lightweight type guards and assertions

TypeScript library that provides shorthand type assertions and type guard functions for multiple types.

Additional typing assets and helpers for better TypeScript experience

TypeScript type guards for `hast` nodes.

TypeScript type guards for `mdast` directive nodes.

TypeScript type guards for `unist` nodes.