Determine if the JS environment has Symbol support. Supports spec, or shams.

Next-generation ES module bundler

Determine if the JS environment has `Symbol.toStringTag` support. Supports spec, or shams.

ES6 spec-compliant RegExp.prototype.flags shim.

Determine if the current node version supports the `--preserve-symlinks` flag.

A pure JavaScript W3C standard-based (XML DOM Level 2 Core) DOMParser and XMLSerializer module.

ES2019 spec-compliant String.prototype.trimStart shim.

resolve like require.resolve() on behalf of files asynchronously and synchronously

Node.js body parsing middleware

Robust call-bound JavaScript intrinsics, using `call-bind` and `get-intrinsic`.

Does the environment have full property descriptor support? Handles IE 8's broken defineProperty/gOPD.

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

Perform async work synchronously in Node.js using `worker_threads` with first-class TypeScript support.

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

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

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

A querystring parser that supports nesting and arrays, with a depth limit

Provides a list of electron-to-chromium version mappings

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

Is this specifier a node.js core module?