mswjs/msw

A Query Language and Runtime which can target any service.

Reliably determines if the code is running in Node.js

Type-safe implementation of invariant with positionals.

Express style path to RegExp utility

RFC6265 Cookies and Cookie Jar for node.js

yargs the modern, pirate-themed, successor to optimist.

Lint your commit messages

Shareable commitlint config enforcing conventional commits

ESLint JavaScript language implementation

basic websocket support for fastify

Minimalistic, opinionated, and predictable release automation tool.

A high-level API to automate web browsers

Super-fast alternative for babel

TypeScript definitions for express

TypeScript definitions for json-bigint

TypeScript definitions for node

TypeScript plugin for ESLint

An ESLint custom parser which leverages TypeScript ESTree

Dev server for web applications

Promise based HTTP client for the browser and node.js

Git commit, but play nice with conventions.

Run scripts that set and use environment variables across platforms

Universal WHATWG Fetch API for Node, Browsers and React Native

Commitizen adapter following the conventional-changelog format.

An extremely fast JavaScript and CSS bundler and minifier.

Runs prettier as an eslint rule

Fast and low overhead web framework, for Node.js

fs-extra contains methods that aren't included in the vanilla Node.js fs package. Such as recursive mkdir, copy, and remove.

Inquirer confirm prompt

Low-level HTTP/HTTPS/XHR/fetch request interception library.

A Promise-compatible abstraction that defers resolving/rejecting promises to another closure.

TypeScript definitions for statuses

A native "Headers" class polyfill.

Type-safe implementation of EventEmitter for browser and Node.js

Gracefully handle a Promise using async/await.

HTTP/HTTPS testing server for your tests.

Teardown API for testing file system-dependent code.