mathiasbynens/array.from

Define multiple non-enumerable properties at once. Uses `Object.defineProperty` when available; falls back to standard assignment in older engines.

ECMAScript spec abstract operations.

ES Object-related atoms: Object, ToObject, RequireObjectCoercible

Loosely test a package's compliance with the es-shim API

My shareable eslint config

Use `npx aud` instead of `npm audit`, whether you have a lockfile or not!

Command line tool for generating a changelog from git tags and commit history

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

Command line tool for creating or updating a .npmignore file based on .gitignore.

the Istanbul command line interface

Ensure that when you `npm publish`, the "latest" tag is only set for the truly latest version.

tap-producing test harness for node and browsers

Given an object and a property, replaces a property descriptor (or deletes it), and returns a thunk to restore it.