bevry/extract-opts

Publish multiple editions for your JavaScript packages consistently and easily (e.g. source edition, esnext edition, es2015 edition)

Babel command line.

Babel compiler core.

Compile object rest and spread to ES5

A Babel preset for each environment.

Common utilities and helpers to make testing assertions easier

Intelligent, self-configuring ESLint configuration that automatically analyzes your project structure, dependencies, and metadata to apply optimal linting rules for JavaScript, TypeScript, React, Node.js, and more.

an eslint rule plugin companion to babel-eslint

Runs prettier as an eslint rule

Kava has been powering accurate test suites for Node.js and Web Browsers since 2012.

Stop wasting time syncing and updating your project's README and Package Files!

Check whether or not a directory and its descendants are valid

Give eachr an item to iterate (array, object or map) and an iterator, then in return eachr gives iterator the value and key of each item, and will stop if the iterator returned false.

Utilities to get and check variable types (isString, isPlainObject, isRegExp, etc)