APIs

Library for creation web and websocket restful APIs

Safer Node.js Buffer API

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

A common tooling library used by the googleapis npm module. You probably don't want to use this directly.

Node.js Buffer API, for the browser

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

Core istanbul API for JS code coverage

Google APIs Client Library for Node.js

Axios + standardized errors + request/response transforms.

Get callsites from the V8 stack trace API

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

Modern Buffer API polyfill without footguns

Fast, unopinionated, minimalist web framework

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

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

ES6 spec-compliant RegExp.prototype.flags shim.

ECMAScript spec-compliant polyfill/shim for `globalThis`

Base reporting library for istanbul

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

ES2017 spec-compliant Object.values shim.

Node.js API (Node-API)

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

ES proposal-spec-compliant Object.fromEntries shim.

ES5 spec-compliant shim for String.prototype.trim

ES spec-compliant shim for ArrayBuffer.prototype.slice

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

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

ES2017 spec-compliant Object.entries shim.

Utility functions for working with TypeScript's API. Successor to the wonderful tsutils. 🛠️️

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

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

Fast CSS Selectors API Engine

Esprima-compatible implementation of the Mozilla JS Parser API

Common API errors

Shared TypeScript definitions for Octokit projects

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

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

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

An ES2015 mostly-spec-compliant `Reflect.getPrototypeOf` sham/polyfill/replacement that works in as many engines as possible

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

An ESnext spec-compliant `Object.groupBy` shim/polyfill/replacement that works as far down as ES3.

An ESnext spec-compliant iterator helpers shim/polyfill/replacement that works as far down as ES3.

A shim for the setImmediate efficient script yielding API

Provides functions for detecting if the host environment supports the WebCrypto API

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

Universal WHATWG Fetch API for Node, Browsers and React Native

A simple common HTTP client specifically for Google APIs and services.

Public API for OpenTelemetry

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

Google APIs Authentication Client Library for Node.js