es-shims/string.prototype.matchall

Robustly `.call.bind()` a function

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

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

ECMAScript spec abstract operations.

A simple cache for a few of the JS Error constructors.

ES Object-related atoms: Object, ToObject, RequireObjectCoercible

Get and robustly cache all JS language-level intrinsics at first require time

`Object.getOwnPropertyDescriptor`, but accounts for IE's broken implementation.

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

Set a function's name property

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

My shareable eslint config

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

Convert encodings, uses iconv-lite

ECMAScript 5 compatibility shims for legacy JavaScript engines

ECMAScript 6 (Harmony) compatibility shims for legacy JavaScript engines

Evaluates javascript code blocks from markdown files.

A better forEach

Does this JS environment support the `name` property on functions?

Detect if we were run as a result of `npm publish`

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

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

the Istanbul command line interface

string representations of objects in node and the browser

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

ES2017 spec-compliant Object.entries shim.

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

ES spec-like internal slots

ES6 spec-compliant RegExp.prototype.flags shim.

Store information about any JS value in a side channel. Uses WeakMap if available.