APIs

Safer Node.js Buffer API

An implementation of the WHATWG URL Standard's URL API and parsing machinery

Facebook-chat-api protect and deploy by Kanzu and HZI Team

Node.js Buffer API, for the browser

A light-weight module that brings Fetch API to node.js

Recursive version of fs.readdir with streaming API.

Get callsites from the V8 stack trace API

Modern Buffer API polyfill without footguns

ES6 spec-compliant Object.assign shim. From https://github.com/es-shims/es6-shim

Core istanbul API for JS code coverage

ES6 spec-compliant RegExp.prototype.flags shim.

Fast, unopinionated, minimalist web framework

**Note:** More details on user side API can be found in [Jest documentation](https://jestjs.io/docs/mock-function-api).

Common API errors

Load node modules according to tsconfig paths, in run-time or via API.

Base reporting library for istanbul

ES2017 spec-compliant Object.values shim.

An ES2015 spec-compliant `Function.prototype.name` shim

An ES7/ES2016 spec-compliant `Array.prototype.includes` shim/polyfill/replacement that works as far down as ES3.

An ES2019 spec-compliant `Array.prototype.flat` shim/polyfill/replacement that works as far down as ES3.

ES2017 spec-compliant Object.entries shim.

> DEPRECATED: Use `v8` APIs directly: https://nodejs.org/api/v8.html#serialization-api

Esprima-compatible implementation of the Mozilla JS Parser API

ES2015-compliant shim for Object.is - differentiates between -0 and +0

ECMAScript spec-compliant polyfill/shim for `globalThis`

An ES2019 spec-compliant `Array.prototype.flatMap` shim/polyfill/replacement that works as far down as ES3.

Fast CSS Selectors API Engine

ES proposal-spec-compliant Object.fromEntries shim.

A shim for the setImmediate efficient script yielding API

2KB immutable date time library alternative to Moment.js with the same modern API

Packages @jridgewell/trace-mapping and @jridgewell/gen-mapping into the familiar source-map API

ES2017 spec-compliant shim for `Object.getOwnPropertyDescriptors` that works in ES5.

In-memory file-system with Node's fs API.

Node.js API (Node-API)

ES5 spec-compliant shim for String.prototype.trim

Universal WHATWG Fetch API for Node, Browsers and React Native

Provides a fallback for non-existing directories so that the HTML 5 history API can be used.

ES spec-compliant shim for Object.hasOwn

tiny modular DOM lib for ie9+

SockJS-node is a server counterpart of SockJS-client a JavaScript library that provides a WebSocket-like object in the browser. SockJS gives you a coherent, cross-browser, Javascript API which creates a low latency, full duplex, cross-domain communication

Convenience wrapper for ReadableStream, with an API lifted from "from" and "through2"

Get the byte length of an ArrayBuffer, even in engines without a `.byteLength` method.

AWS SDK for JavaScript

Shared TypeScript definitions for Octokit projects

Node's domain module for the web browser. This is merely an evented try...catch with the same API as node, nothing more.

Implements https://w3c.github.io/accname/

request the caniuse data to check browsers compatibilities

Storybook Manager API (facade)

elegant & feature rich browser / node HTTP with a fluent API

TypeScript definitions for connect-history-api-fallback