preactjs/preact-render-to-string

Turn JSX into React function calls

A Babel preset for each environment.

babel require hook

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

copy some files

Modern native Git hooks

Lint files staged by git

simple, flexible, fun test framework

Stringify any JavaScript value.

JavaScript test spies, stubs and mocks.

TypeScript is a language for application scale JavaScript development

Check if entries in an export map in package.json are valid and point to actual files/folders

Web Streams, based on the WHATWG spec reference implementation

Tiny wrapper around benchmarkjs with a simpler api