JS type check (TypeScript supported) functions like `isPlainObject() isArray()` etc. A simple & small integration.

TypeScript-first schema declaration and validation library with static type inference

a CSS selector parser

Database to mime-format based on content-type header and content

What is the type of this builtin JS value?

Proper decorator-based transformation / serialization / deserialization of plain javascript objects to class constructors

JavaScript parser written in OCaml. Produces ESTree AST

Type-safe implementation of invariant with positionals.

A little library for asserting types and values, with zero dependencies.

BDD/TDD assertion library for node.js and the browser. Test framework agnostic.

Tagged template literal for Sanity.io GROQ-queries

request body parsing for co

Provides metadata and conversions from repository urls for GitHub, Bitbucket and GitLab

Count the longest repeating streak of a substring

This package defines Typescript types (`.d.ts`) for the upcoming [WebGPU standard](https://github.com/gpuweb/gpuweb/wiki/Implementation-Status).

Type checking for JavaScript functions

A language agnostic CLI tool and nodejs api to identify differences between two json schema files.

Types and related utilities for TypeScript

Create and parse HTTP Content-Type header

`trough` is middleware