ljharb/mirror-own

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

A robust, ES3 compatible, "has own property" predicate.

A CLI tool for arethetypeswrong.github.io

My shareable eslint config

TypeScript definitions for tape

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

Evaluates javascript code blocks from markdown files.

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

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

TypeScript is a language for application scale JavaScript development

Define an accessor property on an object. Will either throw, or fall back to assignment in loose mode, in an engine without descriptors.

Define a data property on an object. Will fall back to assignment in an engine without descriptors.

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

Robustly get an object's own property keys (strings and symbols), including non-enumerables when possible

My personal tsconfig(s), so my open source projects can share them.

TypeScript definitions for for-each

Fixtures of ES values, for testing purposes

A better forEach

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

Does this environment have the ability to get the [[Prototype]] of an object on creation with `__proto__`?

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