JSPM

Type check values

Utilities to get and check variable types (isString, isPlainObject, isRegExp, etc)

Type check values. This is a fork of sindresorhus/is, but with CommonJS support.

Assertions and typeguards

A utility library that provides borrowing mechanisms via assertion functions

Function library written in typescript

TS type guards for Body Link projects

Object validation tools for Javascript and, specially, Typescript

Check if a value is property accessible

Utilities for a more type-safe TypeScript

a typescript library for building type guards quickly and in a type safe way

A comprehensive, platform-agnostic collection of type guards for TypeScript and JavaScript

Gillian HOLA Function library written in typescript

Personal common used types, type guards and other to quickly jumpstart a new project or experiment

Everyday use typeguards for your JavaScript and TypeScript codebase

Typeguards for estree.

Typeguards for mdast including directives and MDX.

A collection of utilities for typeguards, typecheck, converters and more.

A proof-of-concept validation library with TypeScript type-safety.